CN112760927B - Damping assembly, washing machine and control method - Google Patents
Damping assembly, washing machine and control method Download PDFInfo
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- CN112760927B CN112760927B CN202011516971.3A CN202011516971A CN112760927B CN 112760927 B CN112760927 B CN 112760927B CN 202011516971 A CN202011516971 A CN 202011516971A CN 112760927 B CN112760927 B CN 112760927B
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- 238000005406 washing Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000013016 damping Methods 0.000 title abstract description 11
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000035939 shock Effects 0.000 description 15
- 230000005484 gravity Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
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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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/48—Preventing or reducing imbalance or noise
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/26—Imbalance; Noise level
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The application provides a damping assembly, a washing machine and a control method. The damping component comprises a fixed seat, a safety catch and an elastic piece, wherein the piece to be damped is connected to the fixed seat through the safety catch and the elastic piece; the safety buckle can adjust the deformation amount of the elastic piece. The safety buckle and the elastic piece are arranged between the to-be-damped piece and the fixing seat, the deformation amount of the elastic piece is adjusted through the safety buckle, and severe vibration of the to-be-damped piece is relieved.
Description
Technical Field
The application belongs to the technical field of washing machines, and particularly relates to a damping assembly, a washing machine and a control method.
Background
The washing machine can cause violent vibration and noise in a working state, is a big problem in the current development process of the washing machine, mainly causes the phenomena of uneven distribution of clothes in the washing machine and too small and too large amount of clothes, and is particularly obvious for a drum-type washing machine. Because the drum of the drum-type washing machine is horizontally arranged, and the working principle of the drum-type washing machine is that the motor rotates at a high speed to drive clothes to ascend, so that the clothes are beaten in the drum for many times to take away stains in cloth, and finally the stains are taken away by water flow.
The design idea of achieving the buffering effect by designing the air bag under the washing machine is provided in the prior art, but the air bag is similar to an automobile safety air bag and can only slow down the impact from the front, and although the motor of the drum washing machine is subjected to the horizontal rotation, the vibration in the vertical direction is obvious due to the gravity acceleration, the centrifugal force effect in other directions cannot be ignored, and the scheme is difficult to realize. The scheme is contradictory to the setting of a user and the setting parameters of the washing machine. That is, the prior art cannot solve the problem of shock absorption of the drum washing machine.
Disclosure of Invention
Therefore, an object of the present invention is to provide a vibration damping assembly, a washing machine and a control method thereof, which can alleviate the problem of severe vibration of a drum washing machine during high-speed operation.
In order to solve the above problems, the present application provides a shock-absorbing assembly, comprising:
the damping device comprises a fixed seat, a safety buckle and an elastic piece, wherein the piece to be damped is connected to the fixed seat through the safety buckle and the elastic piece;
the safety buckle can adjust the deformation amount of the elastic piece.
Optionally, the safety catch and the elastic element are both provided with a plurality of evenly distributed parts.
According to another aspect of the present application, there is provided a control method of the shock absorbing assembly as described above, including:
when the part to be damped vibrates, the safety catch in the vibration direction is controlled to increase the deformation of the elastic part.
According to still another aspect of the present application, there is provided a washing machine including the damper assembly as described above.
Optionally, the washing machine comprises a main body, a washing drum and a base, the fixing seat comprises the main body, and the to-be-damped piece comprises the washing drum; the center of the main body is connected to the upper part of the base through a compression piece.
Optionally, the axial direction of the washing drum is arranged in a horizontal direction, and the elastic member comprises a high-rib spring in a vertical direction and a low-rib spring arranged in an inclined manner.
Optionally, a movable locking piece is arranged on the main body or the base and used for locking the main body and the base.
Optionally, the locking fastener is provided with a plurality of locking fasteners, and the locking fasteners are uniformly distributed on the corners of the main body or the base.
Optionally, the locking piece comprises an electromagnetic assembly, the electromagnetic assembly comprises a projection and an armature, the projection is arranged at a bottom corner of the main body, and the armature is arranged on the base; and the armature is charged with magnetic energy to magnetically attract the lug.
Optionally, a pressure sensor is arranged on the base, and the pressure sensor is arranged below the armature.
According to still another aspect of the present application, there is provided a control method of the washing machine as described above, including:
when the main body is inclined due to vibration and collides with the base, the collision pressure is detected, and when the collision pressure is greater than the preset pressure, the locking piece at the collision position is adopted to lock the main body and the base.
The application provides a damper assembly, includes: the damping device comprises a fixed seat, a safety buckle and an elastic piece, wherein the piece to be damped is connected to the fixed seat through the safety buckle and the elastic piece; the safety buckle can adjust the deformation amount of the elastic piece. The safety buckle and the elastic piece are arranged between the to-be-damped piece and the fixing seat, the deformation amount of the elastic piece is adjusted through the safety buckle, and severe vibration of the to-be-damped piece is relieved.
Drawings
Fig. 1 is an internal front view of a washing machine according to an embodiment of the present application;
FIG. 2 is an internal side view of a washing machine according to an embodiment of the present application;
FIG. 3 is a top view of a base according to an embodiment of the present application;
FIG. 4 is a schematic view of a locking structure according to an embodiment of the present disclosure;
FIG. 5 is a top view of a latch structure according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a safety catch according to an embodiment of the present application.
The reference numerals are represented as:
1. a main body; 2. a base; 3. a safety buckle; 4. a shock absorber; 5. locking the chassis; 6. a washing drum; 7. a high-strength spring; 8. a low-rib spring; 9. a pressure sensing sheet; 10. a copper plate; 11. a polar distance type capacitance sensor; 12. a compression member; 13. a protrusion; 14. recessing; 15. a magnetic armature; 16. a spring; 17. an electrical circuit.
Detailed Description
Referring to fig. 1-6 in combination, according to an embodiment of the present application, a shock absorbing assembly includes:
the damping device comprises a fixed seat, a safety catch 3 and an elastic part, wherein a part to be damped is connected to the fixed seat through the safety catch 3 and the elastic part;
the safety catch 3 can adjust the deformation amount of the elastic element.
Set up the elastic component between treating shock attenuation piece and fixing base to adjust and control the deformation volume of elastic component through insurance knot 3, can weaken like this and treat the vibration of shock attenuation piece in the vibration direction, if through reducing the deformation volume in the vibration direction, alleviate and treat the violent vibrations of shock attenuation piece.
In some embodiments, the safety catch 3 and the elastic element are provided in uniformly distributed plurality.
In order to ensure the multi-directional shock absorption of the to-be-damped piece, a plurality of safety buckles 3 and elastic pieces are uniformly arranged around the to-be-damped piece.
The elastic member may be a spring 16, a leaf spring, or the like.
According to another aspect of the present application, there is provided a control method of the shock absorbing assembly as described above, including:
when the part to be damped vibrates, the safety catch 3 in the vibration direction is controlled to increase the deformation of the elastic part.
According to still another aspect of the present application, there is provided a washing machine including the damper assembly as described above.
In the washing machine, the washing drum 6 can frequently vibrate in use, so that the safety catch 3 and the elastic piece are arranged on the periphery of the washing drum 6, and severe vibration of the washing drum 6 can be relieved.
In some embodiments, the washing machine comprises a main body 1, a washing drum 6 and a base 2, the fixed seat comprises the main body 1, and the member to be damped comprises the washing drum 6; the central position of the main body 1 is connected with the upper part of the base 2 through a compression piece 12.
The central position of the main body 1 is arranged on the base 2 through the compression piece 12, even if the washing drum 6 brings the vibration of the main body 1, the vibration of the base 2 is weakened through the vibration reduction of the compression piece 12.
In some embodiments, the washing drum 6 is arranged with its axial direction in a horizontal direction, and the elastic members include a high-rib spring 7 in a vertical direction and a low-rib spring 8 arranged obliquely.
The washing drum 6 is horizontally arranged, and is a conventional drum washing machine structure, and the elastic part comprises a plurality of elastic parts which are arranged in a vertical direction and an inclined direction, so that the washing drum 6 can be damped in multiple directions.
In some embodiments, the main body 1 or the base 2 is provided with a movable locking member for locking the main body 1 and the base 2.
Set up movable hasp piece on main part 1 or base 2, to appearing main part 1 and base 2 contact, can lock main part 1 and base 2, avoid violent collision.
In some embodiments, the locking members are provided in a plurality and uniformly distributed on the corners of the main body 1 or the base 2.
Since the collision place of the main body 1 and the chassis 2 is not determined, and it is preferred that the collision place is in the corner direction, the locking member is provided to selectively lock.
In some embodiments, the catch member comprises an electromagnetic assembly comprising a projection provided at a bottom corner of the body 1 and an armature provided on the base 2; and the armature is charged with magnetic energy to magnetically attract the lug.
The lock catch part specifically adopts an electromagnetic component, such as a matched convex block and an armature, and the magnetic attraction and disconnection of the armature to the convex block are realized through a power-on and power-off mode.
In some embodiments, a pressure sensor is provided on the base 2, which is provided below the armature.
A pressure sensor is arranged on the base 2, when the lug collides with the armature, pressure is generated on the pressure sensor, and whether the armature is electrified or not can be regulated and controlled according to the magnitude of the collision pressure.
According to still another aspect of the present application, there is provided a control method of the washing machine as described above, including:
when the main body 1 is inclined due to vibration and collides with the base 2, the collision pressure is detected, and when the collision pressure is greater than a preset pressure, the locking piece at the collision position is adopted to lock the main body 1 and the base 2.
The drum washing machine adopting the above vibration damping assembly will be described in detail.
As shown in fig. 1-6, springs and safety buckles 3 are arranged in six directions of a washing drum 6, wherein two springs 7 with high ribs are arranged in the vertical direction, and mainly buffer the buffer caused by most of centrifugal force of a motor and the downward impact force caused by gravity acceleration; the four springs at the oblique angles are low-rib springs 8 which are used for buffering the vibration in the non-vertical direction. The horizontal direction of the washing drum 6 can be provided with a shock absorber 4, so that the impact force in the horizontal direction and the direction with a certain deflection angle with the horizontal direction can be solved preliminarily; due to the angle design of the low-rib spring 8, the orthogonal component in the horizontal direction is less, and the shock absorber 4 is required to provide a part of auxiliary effect; a damper 4 may also be used below the washing tub 6 to assist the spring.
A detachable base 2 is arranged below a main body 1 of the washing machine, chassis lock catches 5 are arranged at four corners of the base 2, a pressure sensing piece 9 is arranged at the bottom of each chassis lock catch 5 for collecting vibration stress, the positions of the chassis lock catches 5 correspond to bulges 13 of supporting legs at four bottoms of the washing machine, smooth and soft objects are covered at the positions where the pressure sensing pieces 9 can be contacted with the main body 1 of the washing machine to reduce friction and impact, the base 2 is prevented from being damaged when the washing machine vibrates too severely, a compression piece 12 is arranged at the center of the base 2, when the washing machine is placed on the base 2, the compression member 12 is naturally compressed, and while the washing machine body 1 can be stably placed, a narrow space is formed between the compression part 12 and the base 2, the copper plate 10 is laid on the outer circle of the compression part 12, the copper plate 10 and the base 2 are in an embedded relation, and the polar distance type capacitance sensor 11 circuit is arranged under the copper plate 10 to prevent the washing machine from being damaged by gravity.
Firstly, when the base 2 and the washing machine are separated, the compression piece 12 on the base 2 is compressed under the influence of gravity of the washing machine main body 1, when the base reaches a limit compression state, a thin gap is formed between the chassis and the main body 1, when the base is stable, the main body 1 is in a balance state, and the rest positions of the chassis are not in contact with the main body 1. When a user opens the washing machine and the washing machine vibrates to a certain extent in the driving of a motor, the washing machine main body 1 collides with the corner of the base 2 when inclining to the vibration direction, the pressure sensing piece 9 in the four-corner lock catch can detect the pressure and use the pressure as a reference data of the vibration intensity, when the pressure reaches a certain threshold value, the corresponding chassis lock catch 5 can be bound and locked with the bulge 13 of the corresponding corner of the washing machine main body 1 when detecting the collision at the same position next time, the working principle of the chassis lock catch 5 is that the base 2 lock catch has a recess 14 for storing a magnetic armature 15, after the pressure exceeds the threshold value, the armature is triggered, and after the armature is magnetized, the armature pops out to attract the bulge 13 of the bottom corner of the washing machine, so as to achieve the locking effect; when the washing machine finishes working, the power is cut off, the armature iron is demagnetized and then automatically separated to return to a storage area, and the base 2 and the washing machine become a split type.
When chassis hasp 5 does not have the during operation, the copper 10 that is located base 2 can cause certain appearance value to change owing to appear the interval change between with the washing machine, and the sensor in base 2 can be with data collection through wireless communication send to main part 1 in carry out data processing, through the concrete vibrations angle of database analysis, filter less transverse vibration back through the quadrature, control main part 1 internal insurance detain 3 comes adjusting spring 16 to and control bumper shock absorber 4 carries out shock attenuation processing. After the main board analyzes signals collected by the sensor, the safety catch 3 of a group of high-rib springs 7 in the vertical direction is opened preferentially; the safety catch 3 is like a holder of a circuit terminal and mainly plays a clamping role, the force of the spring 16 is increased at ordinary times, the deformation quantity of the spring 16 is reduced, the safety catch 3 is clamped from the inside of the spring 16, and the length of the safety catch 3 is equivalent to the length of the spring 16 which is stretched and deformed by the gravity of the tube. When the vibration is detected, the circuit 17 controls the port of the safety catch 3 to be loosened, the safety catch 3 does not limit the spring 16 any more, the strength of the spring 16 is increased, the elastic potential energy is increased, the outer cylinder can be better supported or pulled, and the vibration of the washing cylinder 6 is reduced; when the motor stops working, the spring 16 is deformed again only by gravity, at which point the safety catch 3 closes the clamping spring 16 again. When the springs 16 work, inverse orthogonal operation is carried out on collected data, for example, if vibration signals in the left direction are detected by washing machine data, optimal ones of the safety buckles 3 between the upper right low-rib spring 8 and the barrel and the safety buckles 3 between the upper left spring 16, the lower left spring 16 and the inner wall of the washing machine are selectively opened according to the actual vibration intensity to carry out auxiliary damping, priority push is selected to be larger than pull, abrasion of the springs 16 to the barrel is reduced, due to the fact that the vibration frequency of the washing machine is high, a signal collection algorithm selects to carry out operation on an initial vibration angle, certain delay is carried out to ignore about 17% of intermediate vibration, and large-amplitude vibration reduction is preferentially ensured.
In the scheme, the arrangement angle of the spring 16 can be set according to different conditions, and the safety catch 3 in the vertical direction can be tried to be cancelled; because the gravity acceleration in the vertical direction inevitably has strong vibration in the direction, the safety catch 3 can be cancelled, the vibration reduction effect can be realized in the initial state of signal detection in time, and the response time of gyroscope signal acquisition can be delayed.
And when the chassis lock catch 5 at least one corner is locked and the strength of the compression piece 12 is in a certain condition, the main control can not process data of signals acquired by the capacitance sensor but directly open the spring 16 safety catch 3 of the working lock catch in the direction opposite to the orthogonal direction, so that damage to the chassis and a host machine caused by strong vibration along with high frequency is avoided.
The scheme can improve the shock absorption capacity of the roller washing machine to a certain degree and improve the abrasion condition of the bottom of the washing machine by adding the detachable base 2 to detect the shock absorption spring 16 matched with the vibration in the machine.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (4)
1. A control method of a washing machine, characterized in that the washing machine comprises:
the device comprises a main body (1) and a base (2), wherein the central position of the main body (1) is connected to the upper part of the base (2) through a compression piece (12);
a movable lock catch piece is arranged on the main body (1) or the base (2), and is used for locking the main body (1) and the base (2);
the control method comprises the following steps:
when the main body (1) is inclined due to vibration and collides with the base (2), the collision pressure is detected, and when the collision pressure is greater than the preset pressure, the locking piece at the collision position is adopted to lock the main body (1) and the base (2).
2. The control method according to claim 1, characterized in that the locking member is provided in a plurality of numbers, evenly distributed on the corners of the main body (1) or the base (2).
3. Control method according to claim 2, characterized in that the catch element comprises an electromagnetic assembly comprising a projection provided at the bottom corner of the body (1) and an armature provided on the base (2); and the armature is charged with magnetic energy to magnetically attract the lug.
4. A control method according to claim 3, characterised in that a pressure sensor is arranged on the base (2), which pressure sensor is arranged below the armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516971.3A CN112760927B (en) | 2020-12-21 | 2020-12-21 | Damping assembly, washing machine and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516971.3A CN112760927B (en) | 2020-12-21 | 2020-12-21 | Damping assembly, washing machine and control method |
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| Publication Number | Publication Date |
|---|---|
| CN112760927A CN112760927A (en) | 2021-05-07 |
| CN112760927B true CN112760927B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011516971.3A Active CN112760927B (en) | 2020-12-21 | 2020-12-21 | Damping assembly, washing machine and control method |
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| CA2645978A1 (en) * | 2007-12-18 | 2009-06-18 | Bsh Home Appliances Corporation | Anti-vibration device |
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| CN108167581A (en) * | 2018-01-30 | 2018-06-15 | 成都骏铭圭科技有限公司 | A kind of adjustable combined damping structure |
| CN108265475A (en) * | 2018-04-04 | 2018-07-10 | 佛山市高研信息技术有限公司 | A kind of washing machine with automatic flat-adjustable function |
| CN208982563U (en) * | 2018-08-10 | 2019-06-14 | 吴江市金诺通风减震设备厂 | A kind of novel adjustable damper |
-
2020
- 2020-12-21 CN CN202011516971.3A patent/CN112760927B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1707011A (en) * | 2004-06-05 | 2005-12-14 | Lg电子株式会社 | Suspension device for drum type washing machine and method for avoiding resonance |
| CN200976310Y (en) * | 2006-11-23 | 2007-11-14 | 爱得电子股份有限公司 | Capacitor structure |
| CN201032040Y (en) * | 2007-04-18 | 2008-03-05 | 南京乐金熊猫电器有限公司 | Washing machine platform |
| CA2645978A1 (en) * | 2007-12-18 | 2009-06-18 | Bsh Home Appliances Corporation | Anti-vibration device |
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| CN112760927A (en) | 2021-05-07 |
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