CN106988082B - Automatic leveling device of washing machine, washing machine and leveling method - Google Patents
Automatic leveling device of washing machine, washing machine and leveling method Download PDFInfo
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- CN106988082B CN106988082B CN201610036397.9A CN201610036397A CN106988082B CN 106988082 B CN106988082 B CN 106988082B CN 201610036397 A CN201610036397 A CN 201610036397A CN 106988082 B CN106988082 B CN 106988082B
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- 238000005406 washing Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 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
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- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The invention provides an automatic leveling device of a washing machine, the washing machine and a leveling method. By arranging the footing, the bearing part, the internal thread part and the driving device, only the upper and lower positions of the internal thread part on the threaded rod need to be adjusted when the footing is adjusted; the outer ring part of the bearing part is fixed at the bottom of the shell, the inner thread part is arranged on the inner ring part, and the inner ring part and the outer ring part can move circumferentially relatively. The driving device drives the internal thread component to rotate, so that the internal thread component moves upwards or downwards on the threaded rod, the inner ring part moves together with the internal thread component and rotates circumferentially relative to the outer ring part, the bottom feet are adjusted in the up-down direction relative to the machine shell, and the washing machine is adjusted to be horizontal.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to an automatic leveling device of a washing machine, the washing machine and a leveling method.
Background
A washing machine is an apparatus for removing stains from laundry using chemical action of detergent and mechanical movement of an inner tub or a pulsator. The level adjustment of the washing machine is an important problem when the washing machine is installed, if the washing machine is not leveled, the outer cylinder of the washing machine and the shell are easy to collide in the washing process, even the whole washing machine shakes violently on the ground, various noises are generated, and the washing machine is easy to damage after being used for a long time. And vibration caused by the unevenness of the washing machine can loosen the foot screw, and the instability can change the horizontal state of the washing machine, so that stronger vibration is generated; causing the noise of the washing machine to become greater and greater.
The washing machine comprises a machine shell and four bottom feet arranged at the bottom of the machine shell and used for supporting the washing machine, the bottom feet are divided into fixed bottom feet and adjustable bottom feet, the number of the adjustable bottom feet is one or two, the level of the washing machine is adjusted by adjusting the adjustable bottom feet, the adjustable bottom feet comprise a base in contact with the ground and a threaded column arranged on the base, a screw hole matched with the threaded column is arranged at the bottom of the machine shell, the distance between the bottom surface of the machine shell and the ground is adjusted through the rotation of the threaded column, and the purposes of keeping the level of the washing machine and stabilizing the grounding of the. Because the washing machine is heavy, when leveling, the base of the bottom foot has larger friction force with the ground, so that the leveling needs to apply larger torque and the adjustment operation is troublesome; and the leveling effect is generally only to adjust balance according to human judgment, namely the washing machine shell does not shake by applying force by hands, but the washing machine is probably not in a horizontal state. In addition, the household washing machine is generally placed on a bathroom or a balcony, and the floor of the bathroom or the balcony is generally designed to have a slope in consideration of convenience in drainage, which further increases the difficulty in leveling the washing machine.
Disclosure of Invention
The invention provides an automatic leveling device of a washing machine, which has the advantages of simple structure, convenience in adjustment and labor saving.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
an automatic leveling device of a washing machine comprises a bottom foot, wherein the bottom foot is provided with a base contacted with the ground and a threaded rod arranged on the base; the bearing component is provided with an outer ring part fixed with a shell of the washing machine, an inner ring part which is positioned on the inner side of the outer ring part and can move circumferentially relative to the outer ring part, and an internal thread part which is matched with the threaded rod and sleeved on the threaded rod and is arranged on the inner ring part; a drive device for driving the internally threaded component to move on the threaded rod.
Further, the driving device drives the internal thread part to rotate, so that the internal thread part moves upwards or downwards on the threaded rod; the inner ring portion moves together with the internal threaded member and rotates circumferentially relative to the outer ring portion.
Further, the outer ring portion and the inner ring portion are axially static relative to each other.
Further, the bearing member is provided with a rolling part, and a clamping groove for accommodating the rolling part is formed between the outer ring part and the inner ring part.
Furthermore, the clamping groove is of a conical structure.
Further, the rolling part comprises a plurality of rolling bodies distributed along the circumferential direction of the clamping groove and a retainer for separately guiding the rolling bodies.
Further, the rolling bodies are conical.
Further, the receiving member is coaxial with the threaded rod.
Furthermore, the driving device comprises a motor, a driving wheel connected with the motor and a driven wheel meshed with the driving wheel, the driven wheel is fixed with the internal thread part or the inner ring part, and the axis of the driven wheel is overlapped with the axis of the internal thread part.
Further, the outer side of the base is coated with a rubber layer.
Based on the automatic leveling device of the washing machine, the invention also provides the washing machine, which is provided with the automatic leveling device, so that the automatic leveling of the washing machine is realized, and the trouble of manual adjustment is avoided.
A washing machine comprises a machine shell, wherein the bottom of the machine shell is provided with at least one automatic leveling device.
Furthermore, the washing machine also comprises at least one sensor for detecting the horizontal state of the washing machine, and the washing machine controls the automatic leveling device to act to adjust the level of the washing machine according to a signal fed back by the sensor.
Further, the casing includes the bottom plate, the mounting hole has been seted up on the bottom plate, the outer lane portion is fixed mounting hole department, the threaded rod passes the mounting hole.
Further, the driving device is arranged on a bottom plate in the machine shell.
Based on the washing machine, the invention also provides an automatic leveling method of the washing machine, which realizes the automatic leveling of the washing machine.
An automatic leveling method of a washing machine, the washing machine comprises a main controller, at least one sensor for detecting the horizontal state of the washing machine and at least one automatic leveling device, and the leveling method comprises the following steps:
A. starting a leveling function;
B. the sensor detects the horizontal state of the washing machine and feeds back the detection result to the main controller;
C. the main controller judges whether the washing machine is in a horizontal state or not according to the feedback detection result, if so, the leveling is finished; if not, entering the step D;
D. the main controller further judges the direction of the automatic leveling device needing to be adjusted according to the feedback detection result, and gives a signal for forward rotation or reverse rotation to the driving device, and the driving device acts;
E. and D, repeating the steps B to D until the leveling is finished.
Further, in step D, the driving device includes a stepping motor, and the main controller determines the height to be adjusted according to the fed back detection result and calculates the number of pulses required.
Further, the sensor is a pressure sensor or an inclination sensor.
According to the automatic leveling device of the washing machine, the footing, the bearing part, the internal thread part and the driving device are arranged, so that the footing can be adjusted only by adjusting the upper position and the lower position of the internal thread part on the threaded rod; the outer ring part of the bearing part is fixed at the bottom of the shell, the inner thread part is arranged on the inner ring part, and the inner ring part and the outer ring part can move circumferentially relatively. The driving device drives the internal thread component to rotate, so that the internal thread component moves upwards or downwards on the threaded rod, the inner ring part moves together with the internal thread component and rotates circumferentially relative to the outer ring part, the bottom feet are adjusted in the up-down direction relative to the machine shell, and the washing machine is adjusted to be horizontal.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an automatic leveling device of a washing machine according to the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;
FIG. 4 is a partially enlarged structural view of the area B in FIG. 3;
FIG. 5 is a schematic structural view of the washing machine of FIG. 1;
fig. 6 is a control flowchart of the auto leveling of the washing machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "upper", "lower", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 6, which are examples of an automatic leveling device of a washing machine according to the present invention, the washing machine includes a housing 10, the housing 10 has a bottom plate 101, four feet 1 are provided on the bottom plate 101, at least one of the feet is an automatic leveling device 20 in this example, and the automatic leveling device 20 is adjusted to ensure that the washing machine is in a horizontal state, thereby providing a precondition for smooth operation of the washing machine.
In the present embodiment, referring to fig. 1 to 3, the automatic leveling device 20 includes a foot 1, a receiving member 2, an internal threaded member 3, and a driving device 4, wherein the foot 1 has a base 11 contacting the ground and a threaded rod 12 provided on the base 11; the receiving member 2 has an outer ring portion 21 fixed to the casing 10 of the washing machine, and an inner ring portion 22 fitted inside the outer ring portion 21 and movable circumferentially relative to the outer ring portion 21, the inner ring portion 22 and the outer ring portion 21 being coaxially provided; the internal thread component 3 is matched with the threaded rod 12 and screwed on the threaded rod 12, and the internal thread component 3 is fixed with the inner ring part 22; the drive means 4 are used to drive the internally threaded part 3 over the threaded rod 12.
Specifically, the driving device 4 drives the internally threaded member 3 to rotate, so that the internally threaded member 3 moves upward or downward while rotating about the threaded rod 12; the inner ring portion 22 is fixed to the female screw member 3, the inner ring portion 22 rotates and moves up or down following the female screw member 3 while the inner ring portion 22 also moves rotationally in the circumferential direction with respect to the outer ring portion 21; the outer ring part 21 moves upwards or downwards under the drive of the inner ring part 22, the outer ring part 21 is fixed on the bottom plate 101, that is, the bottom plate 101 at the outer ring part 21 moves upwards or downwards, that is, the bottom 1 moves upwards or downwards relative to the bottom plate 101 of the machine shell 10, or the bottom plate 101 moves upwards or downwards relative to the base 11, thereby achieving the aim of leveling the washing machine.
In this embodiment, the outer ring portion 21 of the receiving member 2 is fixed to the bottom plate 101 of the housing 10, the inner ring portion 22 is fixed to the female screw member 3, the inner ring portion 22 and the outer ring portion 21 are relatively movable in the circumferential direction, and the female screw member 3 is screwed to the threaded rod 12. Thus, by providing the receiving part 2, it is only necessary to adjust the vertical position of the internally threaded part 3 on the threaded rod 12 when adjusting the foot 1; and through setting up the part 2 that holds in palm for the automatic levelling device simple structure, adjustment are convenient, avoided the trouble of manual adjustment, and greatly reduced the drive power that the regulation needs. The driving device 4 drives the internal thread component 3 to rotate, so that the internal thread component 3 moves upwards or downwards on the threaded rod 12, the inner ring part 22 moves along with the internal thread component 3 and rotates circumferentially relative to the outer ring part 21, and therefore the adjustment of the bottom foot 1 relative to the machine shell 10 in the up-down direction is achieved, and the washing machine is adjusted to be in a horizontal state.
Of course, the outer ring portion 21 and the inner ring portion 22 are relatively stationary in the axial direction, that is, the outer ring portion 21 and the inner ring portion 22 can only relatively rotate around the axis. In order to reduce the resistance or friction force of the relative rotational movement between the outer ring portion 21 and the inner ring portion 22, the receiving member 2 further has a rolling portion 23 disposed between the outer ring portion 21 and the inner ring portion 22, that is, an annular clamping groove 24 is formed between the outer ring portion 21 and the inner ring portion 22, the rolling portion 23 is located in the clamping groove 24, so that the rolling friction is formed between the outer ring portion 21 and the inner ring portion 22, so that the internal threaded member can be driven to rotate by a smaller torque, the required driving force is smaller, the size of the driving member 4 can be smaller, and the arrangement of the driving device 4 in the housing 1 is facilitated. By the structural arrangement between the outer ring portion 21, the inner ring portion 22, and the rolling portion 23, the bearing member 2 can receive the force in the axial direction, and the outer ring portion 21 and the inner ring portion 22 are relatively stationary in the axial direction. Preferably, the locking groove 24 is of a conical configuration, tapering from the top to the bottom from the axis, so that the receiving part 2 can withstand large axial forces.
Referring to fig. 4, the rolling part 23 includes a plurality of rolling bodies 231 distributed along a circumferential direction of the pockets 24 and a cage 232 for spacing the rolling bodies 231 at equal intervals and uniformly distributing them on a circumference of the pockets 24 to prevent the rolling bodies 231 from colliding with each other during operation and to guide rolling of the rolling bodies 231. In order to further increase the axial force-bearing capacity of the receiving member 2, the rolling elements 231 are provided in a conical shape, with a diameter that gradually decreases from top to bottom.
In this embodiment, the driving device 4 includes a motor 41, a driving wheel 42 connected to the motor 41, and a driven wheel 43 engaged with the driving wheel 42, wherein the driven wheel 43 is fixed to the internal thread member 3, and an axis of the driven wheel 43 is arranged to coincide with an axis of the internal thread member 3. That is, the torque output from the motor 41 is transmitted to the driven pulley 43 via the driving pulley 42, and drives the female screw member 3 to rotate.
Of course, in other embodiments, the driven wheel 43 may be fixed to the inner ring portion 22, and since the inner ring portion 22 is fixed to the internal thread member 3, that is, the driven wheel 43, the inner ring portion 22 and the internal thread member 3 are fixed together, and may be three parts of a single integral component or three separate components.
In the present embodiment, the threaded rod 12, the female screw member 3, the inner ring portion 22, the outer ring portion 21, and the driven pulley 43 are coaxially provided.
In order to increase the firmness of the foot 1 and to reduce vibrations during washing, the base 11 is covered on the outside with a rubber layer 13.
For the installation and fixation of the automatic leveling device 20, a mounting hole is opened on the bottom plate of the housing 10, the outer ring portion 21 is fixed at the mounting hole, at this time, the threaded rod 12 passes through the mounting hole, and the motor 41 is fixed on the bottom plate 101 in the housing 10.
In order to detect whether the washing machine is in a horizontal state, a sensor for detecting the horizontal state of the washing machine is arranged on the washing machine, and the washing machine controls the automatic leveling device 20 to act to adjust the level of the washing machine according to a signal fed back by the sensor. Thus, the washing machine is in a horizontal state through the adjustment of the automatic leveling device 20, which is beneficial to increasing the stability in the washing process, reducing the vibration and prolonging the service life of the washing machine.
A pressure sensor or an inclination sensor may be provided for the sensor for detecting a level condition of the washing machine. The sensor feeds back the detected signal to the main control, and a leveling button or a leveling option is arranged on a control panel of the washing machine.
Referring to fig. 6, it is a control flow chart of the automatic leveling method of the washing machine in the present embodiment, and the leveling method includes the following steps:
A. the leveling function is activated.
B. The sensor detects the horizontal state of the washing machine and feeds back the detection result to the main controller.
C. The main controller judges whether the washing machine is in a horizontal state or not according to the feedback detection result, if so, the leveling is finished; if not, step D is entered.
Specifically, if a pressure sensor is arranged, the main controller compares the feedback pressure value with a set pressure value to judge whether the washing machine is horizontal or not. The set pressure value is typically one-fourth of the weight of the washing machine.
Of course, in order to further increase the detection accuracy, pressure sensors may be disposed in all four bottom feet 1 of the washing machine, and the main controller may compare the four feedback detection results to determine whether the washing machine is level. When the washing machine is horizontal, the pressure on the four feet should be equal.
Of course, an inclination sensor can be arranged, and the main controller can conveniently judge whether the washing machine is horizontal according to the received feedback result.
D. The main controller further judges whether the automatic leveling device 20 needs to be adjusted up or down according to the detection result, and gives a signal for forward rotation or reverse rotation to the driving device 4, so that the driving device 4 acts.
Specifically, the driving device 4 is operated to drive the internal thread member 3 to rotate the inner ring portion 22 and move upward or downward on the threaded rod 12.
In this embodiment, the driving device 4 includes a stepping motor, and the main controller determines the height to be adjusted according to the fed back detection result and calculates the number of pulses required. The calculated pulse number is given to the stepping motor, the motor is controlled to rotate by a certain angle, the internal thread component 3 is further driven to rotate by a certain angle, the internal thread component 3 moves upwards or downwards by a certain distance on the threaded rod 12, and the adjustment of the bottom foot 2 is realized.
E. And D, repeating the steps B to D until the leveling is finished, so that the washing machine is in a horizontal state.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (9)
1. An automatic leveling device of a washing machine, comprising:
the foot is provided with a base which is in contact with the ground and a threaded rod arranged on the base;
a receiving member having an outer ring portion fixed to a casing of the washing machine, and an inner ring portion located inside the outer ring portion and movable circumferentially relative to the outer ring portion;
the internal thread component is matched with the threaded rod and sleeved on the threaded rod, and the internal thread component is arranged on the inner ring part;
a driving device for driving the internal thread component to move on the threaded rod;
the bearing part is also provided with a rolling part, a clamping groove for accommodating the rolling part is formed between the outer ring part and the inner ring part, and the clamping groove is of a tapered structure which gradually reduces from top to bottom in distance from the axis.
2. The automatic leveling device of claim 1, wherein the drive device drives the internally threaded member to rotate such that the internally threaded member moves up or down on the threaded rod; the inner ring portion moves together with the internal threaded member and rotates circumferentially relative to the outer ring portion.
3. The self-leveling device of claim 1 wherein the receiving member is coaxial with the threaded rod.
4. The automatic leveling device according to any one of claims 1 to 3, wherein the driving device comprises a motor, a driving wheel connected to the motor, and a driven wheel engaged with the driving wheel, the driven wheel is fixed to the internally threaded part or the inner ring portion, and an axis of the driven wheel coincides with an axis of the internally threaded part.
5. A washing machine comprising a cabinet, characterized in that the bottom of the cabinet is provided with at least one self-leveling device as claimed in any one of claims 1 to 4.
6. The washing machine as claimed in claim 5, further comprising at least one sensor for detecting a horizontal state of the washing machine, wherein the washing machine controls the auto-leveling device to act to adjust the level of the washing machine according to a signal fed back from the sensor.
7. The washing machine as claimed in claim 5, wherein the cabinet includes a bottom plate having a mounting hole, the outer ring is fixed at the mounting hole, and the screw rod passes through the mounting hole.
8. An automatic leveling method of a washing machine, wherein the washing machine comprises a main controller, at least one sensor for detecting the horizontal state of the washing machine, and at least one automatic leveling device according to any one of claims 1 to 4, and the leveling method comprises the following steps:
A. starting a leveling function;
B. the sensor detects the horizontal state of the washing machine and feeds back the detection result to the main controller;
C. the main controller judges whether the washing machine is in a horizontal state or not according to the feedback detection result, if so, the leveling is finished; if not, entering the step D;
D. the main controller further judges whether the automatic leveling device needs to be heightened or lowered according to the feedback detection result, and gives an action signal to the driving device, and the driving device acts;
E. and D, repeating the steps B to D until the leveling is finished.
9. The leveling method according to claim 8, wherein the driving device comprises a stepping motor, and in step D, the main controller determines the height to be adjusted according to the feedback detection result and calculates the required number of pulses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036397.9A CN106988082B (en) | 2016-01-20 | 2016-01-20 | Automatic leveling device of washing machine, washing machine and leveling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610036397.9A CN106988082B (en) | 2016-01-20 | 2016-01-20 | Automatic leveling device of washing machine, washing machine and leveling method |
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| CN106988082A CN106988082A (en) | 2017-07-28 |
| CN106988082B true CN106988082B (en) | 2020-12-18 |
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| CN109307398A (en) * | 2017-07-28 | 2019-02-05 | 青岛海尔智能技术研发有限公司 | A kind of support device and automatic leveling refrigerator of automatic controlled height |
| CN109386696A (en) * | 2017-08-07 | 2019-02-26 | 青岛海尔洗衣机有限公司 | A kind of self-leveling household electrical appliance and its leveling control method |
| CN109386697B (en) * | 2017-08-07 | 2022-04-26 | 青岛海尔洗衣机有限公司 | Household appliance capable of automatically leveling and leveling control method thereof |
| CN107916533A (en) * | 2017-11-01 | 2018-04-17 | 珠海格力电器股份有限公司 | Washing machine control method and device, storage medium and washing machine |
| CN110836303B (en) * | 2018-08-17 | 2023-01-03 | 青岛海尔多媒体有限公司 | Footing structure and household appliance with same |
| CN110857745B (en) * | 2018-08-23 | 2022-04-19 | 青岛海尔多媒体有限公司 | Footing structure and household appliance with same |
| CN109737877A (en) * | 2019-03-15 | 2019-05-10 | 定襄县格美莱智能科技有限公司 | Part blank detection system and method |
| DE102019118589A1 (en) * | 2019-07-09 | 2021-01-14 | Minebea Intec Aachen GmbH & Co. KG | Stand monitoring |
| CN112575522A (en) * | 2019-09-30 | 2021-03-30 | 无锡飞翎电子有限公司 | Leveling control method and device, household appliance and readable medium |
| CN112612301A (en) * | 2020-12-07 | 2021-04-06 | 美的智慧家居科技有限公司 | Balance degree adjusting system and balance degree adjusting method of household appliance |
| CN113186691B (en) * | 2021-04-29 | 2022-10-21 | 四川虹美智能科技有限公司 | Control method and device for balance degree of washing machine and washing machine |
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| JPH09108485A (en) * | 1995-10-19 | 1997-04-28 | Nippon Kentetsu Co Ltd | Leg structure |
| JP2003311092A (en) * | 2002-04-25 | 2003-11-05 | Nix Inc | Adjustable leg for equipment |
| CN100451214C (en) * | 2003-02-14 | 2009-01-14 | 乐金电子(天津)电器有限公司 | Automatic leveling device for washing machine |
| DE602004008268T2 (en) * | 2003-06-04 | 2008-03-13 | Arcelik Anonim Sirketi, Tuzla | HOUSEHOLD APPLIANCE |
| DE102007057511B3 (en) * | 2007-11-29 | 2009-07-16 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance with a height adjustment device for a device foot |
| CN201428071Y (en) * | 2009-06-10 | 2010-03-24 | 南京乐金熊猫电器有限公司 | Washing-machine with balance indicating device |
| KR20110049008A (en) * | 2009-11-04 | 2011-05-12 | 황동훈 | Horizontal controller |
| CN202597477U (en) * | 2011-12-23 | 2012-12-12 | 河南科技大学 | Bearing with threads on inner ring and outer ring |
| CN103850093B (en) * | 2012-11-29 | 2016-04-06 | 苏州三星电子有限公司 | Washing machine foot cognitive method and system |
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Effective date of registration: 20201202 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant after: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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