CN112111933A - Washing machine balancing device and washing machine - Google Patents
Washing machine balancing device and washing machine Download PDFInfo
- Publication number
- CN112111933A CN112111933A CN201910531996.1A CN201910531996A CN112111933A CN 112111933 A CN112111933 A CN 112111933A CN 201910531996 A CN201910531996 A CN 201910531996A CN 112111933 A CN112111933 A CN 112111933A
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- Prior art keywords
- balance
- balancing
- washing machine
- worm shaft
- line
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- 238000005406 washing Methods 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 claims description 3
- 208000005156 Dehydration Diseases 0.000 abstract description 8
- 230000018044 dehydration Effects 0.000 abstract description 8
- 238000006297 dehydration reaction Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- 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
Abstract
The invention discloses a washing machine balancing device and a washing machine, comprising a balancing block, a balancing ring, a balancing line, a worm shaft and a driving motor; the balance ring is arranged on an inner barrel/barrel of the washing machine and comprises an upper cover and a base which are combined to form an annular channel capable of containing the balance block; the balance line is arranged in the annular channel, and the balance block is fixed on the balance line; the worm shaft is arranged in the annular channel, and two ends of the balance line are wound on the worm shaft in the same direction; the driving motor is used for driving the worm shaft to rotate, when the worm shaft rotates, one end of the driving motor is wound with the balance wire, and the other end of the driving motor is loosened with the balance wire, so that the balance block rotates in the annular channel. After the eccentric position and the eccentric amount are determined during the dehydration of the washing machine, the driving motor is controlled to drive the worm shaft, the worm shaft rotates to drive the balance line to rotate, so that the balance block is driven to move, the eccentric amount is balanced through the balance block, the balance control of the washing machine is realized, the vibration of the inner barrel/barrel is greatly reduced, and the technical problem that the washing machine generates vibration noise due to uneven distribution in the dehydration stage is solved.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a balancing device of a washing machine and the washing machine.
Background
The vibration noise is one of important performance indexes of the washing machine and is a problem solved by various manufacturers in the household appliance industry in a competitive mode all the time, and through the iterative development of vibration reduction technology in recent years, the vibration reduction system of the washing machine is more and more mature, and the difficulty of vibration reduction and noise reduction is more and more high. The problem of vibration noise is not completely solved, and the research results of users show that the problem of vibration noise of the washing machine generally occurs in the dehydration stage, the vibration problems such as vibration, box collision, even displacement and the like are caused by large eccentricity generated by the load, and the vibration becomes larger to naturally cause larger noise.
From the root cause of the vibration generated by the washing machine, two aspects of research and investigation can be conducted to reduce the vibration noise: firstly, controlling a vibration source, namely preventing the formation of large eccentricity at the beginning of dehydration; and secondly, controlling vibration propagation, namely optimizing the existing vibration reduction system and reducing the transmission rate of vibration energy to be lower.
At present, the vibration control method on the washing machine generally adopts passive forms such as a damper, a liquid balance ring and the like, can weaken the vibration level of the washing machine to a certain extent, but cannot fundamentally solve the vibration problem, and the complaint of users about large vibration noise of the washing machine still exists.
Disclosure of Invention
The invention aims to provide a balancing device of a washing machine and the washing machine, which solve the technical problem that vibration noise is generated due to uneven distribution in the dehydration stage of the existing washing machine.
In order to solve the technical problems, the invention adopts the following technical scheme:
a balancing device of a washing machine is provided, comprising: a counterbalance; the balance ring is arranged on an inner barrel/barrel of the washing machine and comprises an upper cover and a base, and the upper cover and the base are combined to form an annular channel capable of accommodating the balance block; further comprising: the balance line is arranged in the annular channel, and the balance block is fixed on the balance line; the worm shaft is arranged in the annular channel, and two ends of the balance line are wound on the worm shaft in the same direction; and the driving motor is used for driving the worm shaft to rotate, when the worm shaft rotates, one end of the driving motor is wound on the balance wire, and the other end of the driving motor is loosened from the balance wire, so that the balance block rotates in the annular channel.
Further, the balance line comprises a first balance line and a second balance line which are arranged in the annular channel in parallel; the balance weights comprise a first balance weight and a second balance weight, the first balance weight is fixed on the first balance line, and the second balance weight is fixed on the second balance line; the worm shaft comprises a first worm shaft and a second worm shaft, the first worm shaft is wound around the first balance line, and the second worm shaft is wound around the second balance line; the driving motor comprises a first driving motor and a second driving motor, the first driving motor is used for driving the first worm shaft to rotate, and the second driving motor is used for driving the second worm shaft to rotate.
Further, the apparatus further comprises: and the sensor is arranged on the balance ring and used for detecting the balance block.
Further, the balance wire is wound on the balance block to fix the balance block.
Furthermore, two ends of the balance line are connected to form a closed loop.
Further, the apparatus further comprises: the eccentricity detection module is used for detecting the eccentricity of the inner barrel; and the controller is used for controlling the driving motor based on the eccentricity amount so as to drive the balance wire to drive the balance block to balance the eccentricity of the inner barrel/barrel.
Furthermore, the first balance weight is fixed on the first balance line and then positioned in the half ring of the balance ring, and the second balance weight is fixed on the second balance line and then positioned in the other half ring of the balance ring.
The washing machine comprises an inner barrel/barrel and the balance device of the washing machine; wherein the balancing ring is mounted on the inner barrel/barrel.
Further, the balance ring is arranged on the inner barrel/barrel at a position close to the barrel opening of the inner barrel/barrel.
Compared with the prior art, the invention has the advantages and positive effects that: in the balancing device of the washing machine and the washing machine, the balancing ring is arranged on the inner barrel/barrel of the washing machine, the balancing wire and the worm shaft are arranged in the balancing ring, two ends of the balancing wire are wound on the worm shaft in the same direction, the balancing block is fixed on the balancing wire, when the worm shaft rotates, one end of the balancing wire is wound on the balancing ring, and the other end of the balancing wire is loosened, so that the balancing block rotates in the balancing ring along with the balancing wire; after the eccentric position and the eccentric amount are determined during the dewatering period of the washing machine, the driving motor is controlled to drive the worm shaft, the worm shaft rotates to drive the balance line to rotate, so that the balance block is driven to move, the eccentric amount is balanced through the balance block, the balance control of the washing machine is realized, the vibration of the inner barrel/barrel is greatly reduced, and the technical problem that the existing washing machine generates vibration noise due to uneven distribution in the dewatering stage is fundamentally solved.
Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a balancing device of a washing machine according to the present invention;
FIG. 2 is a schematic structural diagram of a balancing device of a washing machine according to another embodiment of the present invention;
FIG. 3 is a schematic view illustrating a balance wire wound around a worm shaft in the balancing apparatus of the washing machine according to the present invention;
FIG. 4 is a schematic structural diagram of a balancing device of a washing machine according to another embodiment of the present invention;
fig. 5 is a structural diagram of an embodiment of a balancing device of a washing machine according to the present invention installed in the washing machine.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The balancing device of a washing machine, which is installed on an inner tub/drum of the washing machine and is used for balancing the eccentric amount through the operation of a balancing block in a balancing ring after the eccentric position and the eccentric amount are detected during a dewatering process of the washing machine, as shown in fig. 1 and 2, comprises: the balance ring 1 and the balance block 2, the balance ring 1 is installed on the inner tub/drum of the washing machine, as shown in fig. 1, comprising an upper cover 11 and a base 12, the upper cover 11 and the base 12 are combined to form an annular channel which can contain the balance block 2; as shown in fig. 2, a balance line 3 is installed in the annular channel, and a balance weight 2 is fixed on the balance line 3; a worm shaft 5 is further arranged in the annular channel, as shown in fig. 3, two ends of the balance wire 3 are wound on the worm shaft 5 in the same direction, preferably, two ends of the balance wire 3 are connected to form a closed loop, so that the linkage that one end is wound and the other end is loosened can be realized more smoothly; the worm shaft 5 is driven by the driving motor 6 to rotate, when the worm shaft 5 rotates, one end of the worm shaft is wound on the balance wire 3, and the other end of the worm shaft loosens the balance wire 3, so that the balance wire 3 rotates relative to the balance ring 1, and the balance block 2 is driven to rotate in the annular channel.
The balance wire 3 may pass through the body of the balance weight 2 to fix the balance weight 2, or may be wound around the balance weight 2 to fix the balance weight, which is not limited in the present invention. The length of the balance wire 3 wound around the worm shaft 5 depends on the maximum controlled travel of the balance mass 2 within the balance ring 1.
Based on the structure, after the eccentric position and the eccentric amount are determined during the dehydration of the washing machine, the driving motor is controlled to drive the worm shaft 5, the worm shaft 5 rotates to drive the balance wire 3 to rotate relative to the balance ring 1, so that the balance block 2 is driven to rotate in the balance ring 1, when the balance shaft rotates to the opposite direction of the eccentricity, the eccentric amount can be balanced, the balance control of the washing machine is realized, the vibration of the inner barrel/barrel is greatly reduced, and the technical problem that the existing washing machine generates vibration noise due to uneven distribution in the dehydration stage is fundamentally solved.
As a preferred embodiment, as shown in fig. 4, the balance line 3 includes two: a first balance line 31 and a second balance line 32, which are arranged in parallel in the annular channel; the balance weight 2 comprises a first balance weight 21 and a second balance weight 22, the first balance weight 21 is fixed on the first balance line 31, and the second balance weight 22 is fixed on the second balance line 32; the worm shaft 5 comprises a first worm shaft 51 and a second worm shaft 52, the first worm shaft 51 is wound around the first balance line 31, and the second worm shaft 52 is wound around the second balance line 32; the driving motor comprises a first driving motor 61 and a second driving motor 62, wherein the first driving motor 61 is used for driving the first worm shaft 51 to rotate, and the second driving motor 62 is used for driving the second worm shaft 52 to rotate.
When the eccentric position and the eccentric amount are determined during the dewatering process of the washing machine, the first driving motor 61 and the second driving motor 62 are controlled to drive the first worm shaft 51 and the second worm shaft 52 to rotate, the first worm shaft 51 rotates to drive the first balance line 31 to rotate relative to the balance ring 1, and therefore the first balance weight 21 is driven to move; the second worm shaft 52 rotates to drive the second balance line 32 to rotate relative to the balance ring 1, so as to drive the second balance block 22 to move; the first and second weights 21 and 22 balance the eccentric amount in a resultant force manner, thereby realizing balance control of the washing machine, so that vibration of the inner tub/drum is greatly reduced.
Preferably, the first balance weight 21 is fixed on the first balance line 31 and located in the half ring of the balance ring 1, and the second balance weight 22 is fixed on the second balance line 32 and located in the other half ring of the balance ring 1; in this way, when the eccentric amount is balanced in a resultant force manner, the first weight 21 and the second weight 22 respectively move in the resultant force direction in the two half rings of the balance ring 1, so that the operation stroke can be reduced, and the eccentric control can be simplified.
The balancing device of the washing machine provided by the invention also comprises an eccentricity detection module for detecting the eccentricity of the inner barrel, a controller for controlling the driving motor based on the eccentricity, and a sensor 4 (shown in figure 1), wherein the sensor 4 is arranged on the balancing ring 1 and used for detecting the balancing block 2, and the auxiliary driving motor drives the balancing wire 3 to drive the balancing block 2 to balance the eccentricity of the inner barrel/barrel.
The invention also proposes a washing machine comprising an inner tub/drum 7 and the above proposed washing machine balancing device; the balance ring 1 is installed on the inner tub/drum 7, specifically, as shown in fig. 5, may be installed on the inner tub/drum 7 near the drum opening 71 thereof, or any other position, the present invention is not limited in particular, and aims to balance the eccentric amount by controlling the balance weight when eccentric vibration occurs during dehydration, to realize the balance control effect of the washing machine, and to reduce the vibration amplitude of the inner tub/drum.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (9)
1. A balancing device of a washing machine, comprising:
a counterbalance;
the balance ring is arranged on an inner barrel/barrel of the washing machine and comprises an upper cover and a base, and the upper cover and the base are combined to form an annular channel capable of accommodating the balance block;
it is characterized by also comprising:
the balance line is arranged in the annular channel, and the balance block is fixed on the balance line;
the worm shaft is arranged in the annular channel, and two ends of the balance line are wound on the worm shaft in the same direction;
and the driving motor is used for driving the worm shaft to rotate, when the worm shaft rotates, one end of the driving motor is wound on the balance wire, and the other end of the driving motor is loosened from the balance wire, so that the balance block rotates in the annular channel.
2. A washing machine balancing device according to claim 1, wherein the balancing line comprises a first balancing line and a second balancing line, juxtaposed within the annular passage;
the balance weights comprise a first balance weight and a second balance weight, the first balance weight is fixed on the first balance line, and the second balance weight is fixed on the second balance line;
the worm shaft comprises a first worm shaft and a second worm shaft, the first worm shaft is wound around the first balance line, and the second worm shaft is wound around the second balance line;
the driving motor comprises a first driving motor and a second driving motor, the first driving motor is used for driving the first worm shaft to rotate, and the second driving motor is used for driving the second worm shaft to rotate.
3. A washing machine balancing device according to claim 1, characterized in that it further comprises:
and the sensor is arranged on the balance ring and used for detecting the balance block.
4. A balancing device for a washing machine according to claim 1, wherein the balancing wire is wound around the balancing mass to fix the balancing mass.
5. A balancing device for washing machines according to claim 1, wherein the balancing lines are connected at both ends in a closed loop.
6. A washing machine balancing device according to claim 1, characterized in that it further comprises:
the eccentricity detection module is used for detecting the eccentricity of the inner barrel;
and the controller is used for controlling the driving motor based on the eccentricity amount so as to drive the balance wire to drive the balance block to balance the eccentricity of the inner barrel/barrel.
7. A balancing device for a washing machine according to claim 2, wherein the first balancing mass is located within one half of the balancing ring after being fixed to the first balancing line, and the second balancing mass is located within the other half of the balancing ring after being fixed to the second balancing line.
8. A washing machine comprising an inner tub/drum, characterized by further comprising a washing machine balancing device according to any one of claims 1-7;
wherein the balancing ring is mounted on the inner barrel/barrel.
9. A washing machine as claimed in claim 8 wherein the balancing ring is mounted to the inner tub/drum adjacent its mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531996.1A CN112111933A (en) | 2019-06-19 | 2019-06-19 | Washing machine balancing device and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531996.1A CN112111933A (en) | 2019-06-19 | 2019-06-19 | Washing machine balancing device and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112111933A true CN112111933A (en) | 2020-12-22 |
Family
ID=73795617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531996.1A Pending CN112111933A (en) | 2019-06-19 | 2019-06-19 | Washing machine balancing device and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112111933A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060088720A (en) * | 2005-02-02 | 2006-08-07 | 엘지전자 주식회사 | Banancing control unit of drum washing machine and balancing control method for the same |
| CN101733743A (en) * | 2010-01-02 | 2010-06-16 | 华南理工大学 | Drawing wire type serial mechanical arm |
| KR20110103575A (en) * | 2010-03-15 | 2011-09-21 | 엘지전자 주식회사 | Laundry machine and control method thereof |
| CN102899853A (en) * | 2011-07-27 | 2013-01-30 | 三星电子株式会社 | Washing machine and balancer thereof |
| CN103485129A (en) * | 2012-06-07 | 2014-01-01 | 三星电子株式会社 | Washing machine having balancing module |
| CN105274781A (en) * | 2014-06-09 | 2016-01-27 | Lg电子株式会社 | Laundry machine |
| US20180291547A1 (en) * | 2017-04-10 | 2018-10-11 | Lg Electronics Inc. | Washing machine and method of controlling the same |
-
2019
- 2019-06-19 CN CN201910531996.1A patent/CN112111933A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060088720A (en) * | 2005-02-02 | 2006-08-07 | 엘지전자 주식회사 | Banancing control unit of drum washing machine and balancing control method for the same |
| CN101733743A (en) * | 2010-01-02 | 2010-06-16 | 华南理工大学 | Drawing wire type serial mechanical arm |
| KR20110103575A (en) * | 2010-03-15 | 2011-09-21 | 엘지전자 주식회사 | Laundry machine and control method thereof |
| CN102899853A (en) * | 2011-07-27 | 2013-01-30 | 三星电子株式会社 | Washing machine and balancer thereof |
| CN103485129A (en) * | 2012-06-07 | 2014-01-01 | 三星电子株式会社 | Washing machine having balancing module |
| CN105274781A (en) * | 2014-06-09 | 2016-01-27 | Lg电子株式会社 | Laundry machine |
| US20180291547A1 (en) * | 2017-04-10 | 2018-10-11 | Lg Electronics Inc. | Washing machine and method of controlling the same |
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Application publication date: 20201222 |
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| RJ01 | Rejection of invention patent application after publication |