CN113832670A - Washing machine and control method - Google Patents
Washing machine and control method Download PDFInfo
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- CN113832670A CN113832670A CN202111288742.5A CN202111288742A CN113832670A CN 113832670 A CN113832670 A CN 113832670A CN 202111288742 A CN202111288742 A CN 202111288742A CN 113832670 A CN113832670 A CN 113832670A
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- water outlet
- sealing
- driving mechanism
- rod piece
- bracket
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- 238000005406 washing Methods 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 238000007789 sealing Methods 0.000 claims abstract description 124
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 230000009471 action Effects 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims description 21
- 230000008569 process Effects 0.000 abstract description 9
- 101150114468 TUB1 gene Proteins 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a washing machine and a control method, wherein the washing machine comprises a washing barrel, a water receiving tray and a drainage device; a blocking piece is arranged at the water outlet of the washing barrel; the drainage device comprises a sealing limit structure, a rod piece and a driving mechanism; the sealing limit structure forms a cavity and a sealing part; the rod piece is connected with the sealing part and slides up and down under the action of the driving mechanism so as to open or close the water outlet; the drainage device comprises a first support, a fixing part of the sealing and limiting structure is fixed on the first support, the driving mechanism comprises an elastic part, a traction motor and a traction rope, when the traction motor rotates in the forward direction, the rod part slides downwards, and when the rod part moves to a first preset position, the drainage port is opened; when the rod piece moves to the second preset position, the sealing part is positioned below the water outlet; when the rod piece moves to a third preset position, the sealing part seals the water outlet; the structure is simple, the control process is simplified, the sealing is tight, and the positioning is accurate; the problems of complex structure and inaccurate positioning of the conventional drainage device are solved.
Description
Technical Field
The invention relates to the technical field of laundry equipment, in particular to a washing machine and a control method.
Background
With the development of economic society, the washing machine gradually becomes an indispensable household appliance in daily life of people; the washing machine with a single-barrel structure gradually receives wide attention of people, when clothes need to be washed, a water discharge port of a washing barrel is sealed through a water discharge device, and the washing barrel holds water and rotates to wash the clothes; when water needs to be drained, the drainage device opens a drainage port of the washing barrel, and water in the washing barrel is drained; however, the washing tub rotates in the washing process, so that the position of the water outlet of the washing tub is uncertain, in order to ensure the accurate sealing and opening of the water outlet, the washing tub needs to be locked to the determined position by means of a locking mechanism, and the water outlet is ensured to be opened or closed at the same position, so that the structure of the water drainage device is complicated, the control process is complicated, and the manufacturing cost of the washing machine is greatly increased.
Disclosure of Invention
In view of the above, the invention provides a washing machine, which solves the problems that a washing machine drainage device with a single-barrel structure in the prior art is complex in structure, complicated in control process, inaccurate in positioning, untimely in drainage and the like.
The invention provides a washing machine, which comprises a washing barrel and a drainage device, wherein a drainage port is formed at the barrel bottom of the washing barrel, a water receiving tray is arranged below the drainage port, and a blocking piece is arranged at the drainage port; the drainage device is arranged between the water outlet and the water receiving tray and comprises:
the top of the sealing limiting structure is provided with a sealing part matched with the water outlet, the side part of the sealing limiting structure is provided with a limiting part matched with the blocking part, and a cavity is formed inside the sealing limiting structure;
the rod piece extends upwards from the bottom of the cavity into the cavity and is connected with the sealing part;
the driving mechanism is connected with the rod piece in a driving mode so as to drive the rod piece to move up and down;
the rod piece is provided with a first preset position, a second preset position and a third preset position in the moving direction:
when the rod piece is driven by the driving mechanism to move downwards to a first preset position, the sealing part is separated from a water outlet, the water outlet is opened, and the washing barrel can drain water to the water receiving tray;
when the rod piece is driven by the driving mechanism to move upwards to a second preset position, the limiting part is matched with the blocking piece, and the sealed part is positioned below the water outlet;
when the rod is driven by the driving mechanism to move upwards to a third preset position, the sealing part seals the water outlet, and the washing barrel stores water.
Further optionally, the drainage device further comprises a first bracket arranged at the bottom of the sealing and limiting structure and a driving mechanism arranged at the bottom of the first bracket, wherein a sliding hole is formed in the first bracket; one end of the rod piece penetrates through the sliding hole and is connected with the bottom of the sealing part through a supporting part, and the other end of the rod piece is in driving connection with the driving mechanism;
under the action of the driving mechanism, the rod piece slides up and down along the slide hole, and then the sealing part opens the water outlet or seals the water outlet or is positioned below the water outlet.
Further optionally, the first bracket is formed with a first limiting member, and the first limiting member forms the sliding hole; the driving mechanism comprises an elastic piece, a traction motor and a traction rope; one end of the elastic piece is connected with one end of the rod piece, and the other end of the elastic piece is connected with the first limiting piece; one end of the traction rope is connected with the other end of the rod piece, and the other end of the traction rope is connected with the traction motor;
when the traction motor rotates forwards, the rod piece slides downwards under the action of the traction rope, the elastic piece is compressed, and when the rod piece slides to a first preset position, the sealing part is separated from the water outlet;
when traction motor antiport under the elastic component effect, the member upwards slides, when the member slides to the second and predetermines the position, spacing portion with block the piece contact, when the member slides to the third and predetermines the position, sealing portion seals the outlet.
Further optionally, a fixing portion is formed at the bottom of the sealing and limiting structure, and the fixing portion is arranged on the first support; a corrugated section is arranged between the sealing part and the fixing part; the sealing part, the corrugated section and the fixing part enclose the cavity; under the action of the driving mechanism, the corrugated section extends or contracts, and the sealing part slides up and down relative to the fixing part.
Further optionally, the drainage device further comprises a second bracket which is arranged on the first bracket and is arranged on the same side as the sealing and limiting structure; the water receiving tray is provided with a mounting opening, and the drainage device is fixed at the mounting opening through the second bracket; a second limiting piece is formed between the first bracket or the second bracket or the first bracket and the second bracket; the fixing part is fixed on the first support through the second limiting part.
Further optionally, the drainage device further comprises a third support arranged at the bottom of the first support, a mounting cavity is formed in the third support, a through hole is formed in the bottom of the mounting cavity, and the other end of the rod passes through the mounting cavity and penetrates through the through hole to be connected with the traction rope.
Further optionally, a first trigger position and a second trigger position which are arranged oppositely are formed at the bottom of the rod piece, a first limit switch and/or a second limit switch are arranged in the installation cavity, and the first limit switch and the second limit switch are electrically connected with a controller of the washing machine;
when the driving mechanism drives the rod piece to move upwards, the first trigger position is in contact with a first limit switch, the first limit switch is opened, the controller controls the driving mechanism to stop acting, the limit part is in contact with a blocking piece, and the sealing part is positioned below the water outlet;
the second trigger position is in contact with a second limit switch, the second limit switch is started, the controller controls the driving mechanism to stop acting, and the sealing part seals the water outlet.
Further optionally, when the driving mechanism drives the rod to move downwards, the first trigger position is separated from the first limit switch, the first limit switch is turned off, the second trigger position is separated from the second limit switch, the second limit switch is turned off, the controller controls the driving mechanism to stop, and the sealing portion is far away from the water outlet.
Further optionally, one of a magnetic induction sensor and a magnet is arranged on the water pan, and the other of the magnetic induction sensor and the magnet is arranged at the bottom of the washing barrel; the magnetic induction sensor is electrically connected with a controller of the washing machine;
preferably, an included angle between a connecting line of the magnetic induction sensor and the center of the washing barrel and a connecting line of the drainage device and the center of the washing barrel is alpha; the included angle between the connecting line of the magnet and the center of the washing barrel and the connecting line of the drainage device and the center of the washing barrel is alpha-20 degrees.
The invention also provides a control method for the washing machine, when the washing machine runs a washing program, firstly, the rod is at a first preset position, the water outlet is opened, and when the washing barrel rotates and rotates until a signal of the magnetic induction sensor is 'disappear-generate-disappear', the washing barrel stops rotating; secondly, the rod piece is controlled to move upwards to a second preset position, the washing barrel rotates, the limiting part is in contact with the blocking piece, and the sealing part is positioned below the water outlet; and finally, the rod piece is controlled to move upwards to a third preset position, the sealing part seals the water outlet, and the washing barrel starts to feed water.
The invention provides a washing machine, comprising a washing barrel and a drainage device; a water outlet is formed at the bottom of the washing barrel, a water receiving disc is arranged below the water outlet, and a blocking piece is arranged at the water outlet; the drainage device is arranged between the drainage port and the water receiving disc and comprises a sealing limit structure, a rod piece and a driving mechanism; a cavity is formed inside the sealing and limiting structure, and a sealing part is formed at the top of the sealing and limiting structure; the rod piece extends into the cavity and is connected with the sealing part; the driving mechanism can drive the rod piece to move up and down so as to open or close the water outlet; the drainage device comprises a first support, a fixing part of the sealing and limiting structure is fixed on the first support, the driving mechanism comprises an elastic part, a traction motor and a traction rope, the rod part, the traction rope and the traction motor are sequentially connected, and the elastic part is arranged between the sealing part and the first support; when the traction motor rotates forwards, the rod piece slides downwards under the action of the traction rope, when the rod piece moves to a first preset position, the sealing part is separated from the water outlet, the water outlet is opened, and the washing barrel can drain water to the water receiving tray; when the rod piece moves to the second preset position, the limiting part is contacted with the blocking piece, and the sealing part is positioned below the water outlet; when the rod piece moves to a third preset position, the sealing part seals the water outlet, and water is stored in the washing barrel; the structure is simple, the control process of opening, sealing and positioning the water outlet is simplified, the opening is rapid, the water drainage is timely, the sealing is tight, the positioning is accurate, and the installation is convenient and rapid; the problems of complex structure, inaccurate positioning and loose sealing of the existing drainage device are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1a is a schematic structural diagram of a washing machine according to an embodiment of the present invention in a dewatering/draining state;
FIG. 1b is an enlarged view of FIG. 1a at point I;
FIG. 2a is a schematic structural diagram of an embodiment of the present invention in a positioning state;
FIG. 2b is an enlarged view of FIG. 2a at II;
FIG. 3a is a schematic structural diagram of an embodiment of the washing machine according to the present invention in a sealing state;
FIG. 3b is an enlarged view of FIG. 3a at III;
FIG. 4 is a schematic structural diagram of an embodiment of the washing machine provided by the present invention when the sealing part and the blocking member are engaged;
FIG. 5 is a schematic structural diagram of an embodiment of a location of a magnetic induction sensor according to the present invention;
FIG. 6 is a schematic axial view of an embodiment of a washing machine according to the present invention;
in the figure:
1-washing tub; 11-a water outlet; 12-a barrier;
2-a water pan; 21-mounting port; 211-fastening;
3-a drainage device; 31-sealing and limiting structure; 311-cavity; 312-a seal; 313-a corrugated section; 314-a fixed part; 32-a rod member; 321-a support part; 322-first trigger bit; 323-second trigger bit; 33-a first scaffold; 331-a first limiting member; 332-a slide hole; 34-a second bracket; 341-card slot; 35-a third scaffold; 351-installation cavity; 361-first limit switch; 362-second limit switch;
4-a drive mechanism; 41-an elastic member; 42-a traction motor; 43-a hauling rope;
51-a magnetic induction sensor; 52-magnet.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
When the existing single-barrel structure washing machine washes clothes, a drainage port of a washing barrel is sealed by a drainage device, and the washing barrel rotates to wash the clothes; when draining, the drainage device opens the drainage port of the washing barrel, and the washing barrel drains water; however, the position of the water outlet of the washing barrel is uncertain due to the rotation of the washing barrel, the washing barrel needs to be locked to the determined position by means of the locking mechanism, and the water outlet is ensured to be positioned at the same position and opened or closed, so that the structure of the water drainage device is complicated, the control process is complicated, the positioning is inaccurate, and the water drainage is not timely.
The invention creatively provides a washing machine, which comprises a washing barrel and a drainage device; a water outlet is formed at the bottom of the washing barrel, a water receiving disc is arranged below the water outlet, and a blocking piece is arranged at the water outlet; the drainage device is arranged between the drainage port and the water receiving disc and comprises a sealing limit structure, a rod piece and a driving mechanism; a cavity is formed inside the sealing and limiting structure, and a sealing part is formed at the top of the sealing and limiting structure; the rod piece extends into the cavity and is connected with the sealing part; when the driving mechanism drives the rod piece to move to the first preset position, the sealing part is separated from the water outlet, the water outlet is opened, and the washing barrel can drain water to the water receiving tray; when the driving mechanism drives the rod piece to move to the second preset position, the limiting part is contacted with the blocking piece, and the sealing part is positioned below the water outlet; when the driving mechanism drives the rod piece to move to a third preset position, the sealing part seals the water outlet, and water is stored in the washing barrel; the drainage device has the advantages of being simple in structure, simplifying the control process of opening, sealing and positioning the drainage port, being rapid to open, timely in drainage, tight in sealing and accurate in positioning, solving the problems of complex structure, inaccurate positioning and tightness of the existing drainage device and solving the problem of complex control process of the existing drainage device.
As shown in fig. 1a, fig. 2a and fig. 3a, the present embodiment provides a washing machine, which includes a washing tub 1 and a drainage device 3, wherein a drainage port 11 is formed at the bottom of the washing tub 1, a water pan 2 is arranged below the drainage port 11, and a blocking member 12 is arranged at the drainage port; the drainage device is arranged between the drainage port 11 and the water receiving tray 2;
the drainage device 3 comprises a sealing and limiting structure 31, a rod piece 32 and a driving mechanism 4; a cavity 311 is formed inside the sealing and limiting structure 31, and a sealing part 312 matched with the water outlet 11 is formed at the top of the sealing and limiting structure 31; a limit part matched with the blocking piece is formed at the side part of the sealing limit structure; the rod piece extends upwards into the cavity from the bottom of the cavity and is connected with the sealing part; specifically, the blocking member 12 has a circular arc structure, and one end of the rod member 32 is connected to the bottom of the sealing portion 312 through the supporting portion 321; the sealing and limiting structure 31 is a sealing rubber plug;
the rod member 32 can move up and down under the driving action of the driving mechanism, and the rod member 32 has a first preset position, a second preset position and a third preset position along the moving direction of the rod member 32; the rod 32 is controlled to move up and down, and the supporting portion 321 drives the sealing portion 312 to move up and down, so as to open, position and seal the water outlet 11;
as shown in fig. 1a and 1b, when the rod 32 is driven by the driving mechanism to move downwards to the first preset position, the sealing part 312 is separated from the water discharge opening 11, the water discharge opening 11 is opened, and the washing tub 1 can discharge water to the water receiving tray 2 and further discharge the water from the water receiving tray 2 to the outside of the washing machine;
as shown in fig. 2a and 2b, when the rod 32 is driven by the driving mechanism to move upwards to the second predetermined position, the limiting portion contacts with the blocking member 12, the washing tub 1 stops rotating, and the sealing portion 312 is located below the water discharge opening 11 to prepare for subsequently sealing the water discharge opening 11;
as shown in fig. 3a and 3b, when the lever 32 is driven by the driving mechanism to move upward to the third preset position, the sealing portion 312 seals the water outlet 11, and the washing tub 1 stores water, so that the washing tub 1 can be used for washing clothes.
Further, as shown in fig. 1a, fig. 2a and fig. 3a, the drainage device 3 further includes a first bracket 33 disposed at the bottom of the sealing and limiting structure 31, and the first bracket 33 is formed with a sliding hole 332; one end of the rod member 32 passes through the slide hole 332 and is connected with the bottom of the sealing part 312 through the supporting part 321, and the other end of the rod member 32 is in driving connection with the driving mechanism 4;
under the action of the driving mechanism 4, the rod 32 slides up and down along the slide hole 332, and then the sealing part 312 opens the water outlet 11 or seals the water outlet 11 or is positioned below the water outlet 11; the rod 32 slides up and down along the slide hole 332, which improves the accuracy of positioning the sealing portion 312 and the tightness of sealing the drain opening 11.
The first bracket 33 is formed with a first limiting member 331, and the first limiting member 331 is formed with a slide hole 332; the driving mechanism 4 comprises an elastic member 41, a traction motor 42 and a traction rope 43; one end of the elastic member 41 is connected to one end of the rod 32, and the other end of the elastic member 41 is connected to the first limiting member 331; one end of the traction rope 43 is connected with the other end of the rod member 32, and the other end of the traction rope 43 is connected with the traction motor 42; specifically, the first limiting member 331 is a boss protruding toward the sealing portion 312, a sliding hole 332 is formed at the center of the boss, and the sliding hole 332 is coaxially disposed with the rod member 32; the elastic member 41 is a spring;
when the traction motor 42 rotates forward, under the action of the traction rope 43, the rod 32 slides downward along the sliding hole 332, the elastic element 41 is compressed, when the rod 32 slides to the first preset position, the sealing part 312 is separated from the water outlet 11, the water outlet 11 is opened, and the washing tub 1 drains water to the water pan 2;
when the traction motor 42 rotates reversely, the rod 32 slides upwards under the action of the elastic element 41, when the rod 32 slides to the second preset position, the limiting part contacts with the blocking element 12, the washing tub 1 stops rotating, and when the rod 32 slides to the third preset position, the sealing part 312 seals the water outlet 11, and the washing tub 1 can store water and be used for washing clothes; the water outlet 11 can be opened, positioned or sealed only by controlling the action of the traction motor 42, and the control process is simple, the positioning is accurate and the sealing is tight.
Further, a fixing portion 314 is formed at the bottom of the sealing and limiting structure 31, and the fixing portion 314 is disposed on the first bracket 33; a bellows section 313 is provided between the seal portion 312 and the fixing portion 314; the sealing part 312, the corrugated section 313 and the fixing part 314 enclose a cavity 311;
when the corrugated section 313 is extended under the action of the driving mechanism 4, the sealing part 312 slides upwards relative to the fixing part 314; when the bellows 313 is compressed, the sealing part 312 slides downward relative to the fixing part 314; so that the sealing portion 312 can open and seal the water discharge port 11 with the expansion and compression of the bellows section 313;
further, the drainage device 3 further comprises a second bracket 34 which is arranged on the first bracket 33 and is arranged on the same side as the sealing and limiting structure 31; the water pan 2 is provided with a mounting opening 21, and the drainage device 3 is fixed at the mounting opening 21 through a second bracket 34; specifically, the second bracket 34 is formed with a clamping groove 341, a buckle 211 is formed at the mounting port 21, and the drainage device 3 is fixed on the water pan 2 by the cooperation of the buckle 211 and the clamping groove 341; preferably, the first bracket 33, the second bracket 34, the sealing position-limiting structure 31, the elastic member 41 and the rod member 32 are coaxially arranged.
A second limiting piece is formed on the first bracket 33 or the second bracket 34 or between the first bracket 33 and the second bracket 34; the fixing part is fixed on the first bracket 33 through a second limiting part; in this embodiment, a second limiting member is formed between the first bracket 33 and the second bracket 34; specifically, the second limiting piece is a limiting groove, and the fixing part can be clamped in the limiting groove; so that the sealing and limiting structure 31 is reliably connected with the first bracket 33;
the drainage device 3 further comprises a third bracket 35 arranged at the bottom of the first bracket 33, a mounting cavity 351 is formed in the third bracket 35, a through hole is formed at the bottom of the mounting cavity 351, and the other end of the rod member 32 passes through the mounting cavity 351 and penetrates through the through hole to be connected with the traction rope 43;
further, a first trigger position 322 and a second trigger position 323 which are oppositely arranged are formed at the bottom of the rod member 32, a first limit switch 361 and/or a second limit switch 362 are arranged in the installation cavity 351, and the first limit switch 361 and the second limit switch 362 are electrically connected with a controller of the washing machine;
the driving mechanism 4 drives the rod 32 to move upwards, when the first trigger position 322 is in contact with the first limit switch 361 and the first limit switch 361 is opened, the controller controls the driving mechanism 4 to stop acting, the limit part is in contact with the blocking part 12, and the sealing part 312 is positioned below the water outlet 11; specifically, the traction motor 42 rotates reversely and drives the rod 32 to move upwards, when the first limit switch 361 is turned on, the controller controls the traction motor 42 to stop rotating, and at this time, the sealing part 312 is positioned below the water outlet 11, so as to realize positioning and prepare for subsequently sealing the water outlet 11;
when the second trigger position 323 contacts the second limit switch 362 and the second limit switch 362 is turned on, the controller controls the driving mechanism 4 to stop operating, and the sealing part 312 seals the water outlet 11; specifically, the traction motor 42 rotates reversely and drives the lever 32 to move upward, and when the second limit switch 362 is turned on, the controller controls the traction motor 42 to stop rotating, and the sealing portion 312 seals the water discharge opening 11.
Further, when the driving mechanism 4 drives the rod 32 to move downward, the first trigger position 322 is separated from the first limit switch 361, the first limit switch 361 is turned off, the second trigger position 323 is separated from the second limit switch 362, the second limit switch 362 is turned off, the controller controls the driving mechanism 4 to stop operating, and the sealing part 312 is far away from the water outlet 11; specifically, the traction motor 42 rotates forward and drives the rod 32 to move downward, when the first limit switch 361 and the second limit switch 362 are closed, the controller controls the traction motor 42 to stop rotating, the sealing part 312 is far away from the water outlet 11, the water drainage is opened, and at this time, the washing tub 1 can drain water to the water pan 2; the water outlet 11 can be opened, positioned and sealed by adopting a simple structure, the control process is simplified, and the sealing is tight.
Further, as shown in fig. 4, 5 and 6, the water receiving tray 2 is provided with one of a magnetic induction sensor 51 and a magnet 52, and the bottom of the washing tub 1 is provided with the other of the magnetic induction sensor 51 and the magnet 52; the magnetic induction sensor 51 is electrically connected with a controller of the washing machine;
the included angle between the connecting line of the magnetic induction sensor 51 and the center of the washing barrel and the connecting line of the drainage device 3 and the center of the washing barrel is alpha; the included angle between the connecting line of the magnet 52 and the center of the washing barrel 1 and the connecting line of the drainage device 3 and the center of the washing barrel 1 is alpha-20 degrees; preferably, the magnetic induction sensor 51 is arranged on the water pan 2, the magnet 52 is fixed at the bottom of the washing tub 1, and when the magnet 52 rotates along with the washing tub 1, the magnet 52 generates a signal after passing through the magnetic induction sensor 51, so as to control the washing tub 1 to stop rotating; the magnetic induction sensor 51 and the magnet 52 are arranged in a staggered manner, so that the magnetic induction sensor 51 can detect the change of the signal conveniently.
The embodiment also provides a control method of the washing machine, wherein the washing machine is the washing machine; when the washing machine runs a washing program, firstly, the rod 32 is at a first preset position, the water outlet is opened, the washing barrel 1 rotates at the speed of 2r/min, and the controller controls the washing barrel 1 to stop rotating when the signal of the magnetic induction sensor 51 is 'disappearing-generating-disappearing'; secondly, controlling the traction motor 42 to rotate reversely, enabling the rod piece 32 to slide upwards to a second preset position, controlling the washing barrel 1 to continue to rotate at the speed of 2r/min by the controller, enabling the limiting part to be in contact with the blocking piece 12, controlling the washing barrel 1 to stop rotating by the controller, and positioning the sealing part 312 below the water outlet 11; finally, the traction motor 42 is controlled to rotate reversely, the rod 32 slides upwards to a third preset position, the sealing part 312 seals the water outlet 11, and the washing tub 1 starts to feed water and enters a washing state;
after washing, controlling the traction motor 42 to rotate forward, sliding the rod 32 downwards to a first preset position, opening the water outlet 11, discharging the washing water in the washing barrel 1 to the outside of the washing machine, and repeating the steps of subsequent rinsing and dewatering;
the traction motor 42 is used for realizing the stretching of the traction rope 43 by positive and negative rotation, the opening, the positioning and the sealing of the water outlet 11 of the washing machine washing barrel 1 are completed, and the positioning is accurate and convenient.
In other embodiments, the bottom of the rod 32 is formed with a first trigger position 322 and a second trigger position 323 which are oppositely arranged, and a position sensor is arranged in the installation cavity 351, and the position sensor is electrically connected with a controller of the washing machine and transmits detection data to the controller;
when the driving mechanism 4 drives the rod 32 to move upwards and the position sensor detects the first trigger position 322, the controller controls the driving mechanism 4 to stop working, the side part of the sealing part 312 is contacted with the blocking part 12, and the sealing part 312 is positioned below the water outlet 11;
when the position sensor detects the second trigger position 323, the controller controls the driving mechanism 4 to stop operating, and the sealing portion 312 seals the drain opening 11.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A washing machine is characterized by comprising a washing barrel and a drainage device, wherein a drainage port is formed at the barrel bottom of the washing barrel, a water receiving tray is arranged below the drainage port, and a blocking piece is arranged at the drainage port; the drainage device is arranged between the water outlet and the water pan and comprises:
the top of the sealing limiting structure is provided with a sealing part matched with the water outlet, the side part of the sealing limiting structure is provided with a limiting part matched with the blocking part, and a cavity is formed inside the sealing limiting structure;
the rod piece extends upwards from the bottom of the cavity into the cavity and is connected with the sealing part;
the driving mechanism is connected with the rod piece in a driving mode so as to drive the rod piece to move up and down;
the rod piece is provided with a first preset position, a second preset position and a third preset position in the moving direction:
when the rod piece is driven by the driving mechanism to move downwards to a first preset position, the sealing part is separated from a water outlet, the water outlet is opened, and the washing barrel can drain water to the water receiving tray;
when the rod piece is driven by the driving mechanism to move upwards to a second preset position, the limiting part is matched with the blocking piece, and the sealed part is positioned below the water outlet;
when the rod is driven by the driving mechanism to move upwards to a third preset position, the sealing part seals the water outlet, and the washing barrel stores water.
2. The washing machine as claimed in claim 1, wherein the drain device further includes a first bracket provided at a bottom of the sealing and position limiting structure, the driving mechanism is provided at the bottom of the first bracket, and the first bracket is formed with a sliding hole; one end of the rod piece penetrates through the sliding hole and is connected with the bottom of the sealing part through a supporting part, and the other end of the rod piece is in driving connection with the driving mechanism;
under the action of the driving mechanism, the rod piece slides up and down along the slide hole, so that the sealing part opens the water outlet or seals the water outlet or is positioned below the water outlet.
3. The washing machine as claimed in claim 2, wherein the first bracket is formed with a first stopper, the first stopper forming the slide hole; the driving mechanism comprises an elastic piece, a traction motor and a traction rope; one end of the elastic piece is connected with one end of the rod piece, and the other end of the elastic piece is connected with the first limiting piece; one end of the traction rope is connected with the other end of the rod piece, and the other end of the traction rope is connected with the traction motor;
when the traction motor rotates forwards, the rod piece slides downwards under the action of the traction rope, the elastic piece is compressed, and when the rod piece slides to a first preset position, the sealing part is separated from the water outlet;
when the traction motor rotates reversely, the rod piece slides upwards under the action of the elastic piece, and when the rod piece slides to a second preset position, the limiting part is contacted with the blocking piece; when the rod piece slides to a third preset position, the sealing part seals the water outlet.
4. The washing machine as claimed in claim 3, wherein a fixing part is formed at a bottom of the sealing stopper structure, the fixing part being provided on the first bracket; a corrugated section is arranged between the sealing part and the fixing part; the sealing part, the corrugated section and the fixing part enclose the cavity; under the action of the driving mechanism, the corrugated section extends or contracts, and the sealing part slides up and down relative to the fixing part.
5. The washing machine as claimed in claim 4, wherein the drain device further includes a second bracket disposed on the first bracket and disposed at the same side as the sealing and limiting structure; the water receiving tray is provided with a mounting opening, and the drainage device is fixed at the mounting opening through the second bracket; a second limiting piece is formed on the first bracket or the second bracket or between the first bracket and the second bracket; the fixing part is fixed on the first support through the second limiting part.
6. The washing machine as claimed in claim 5, wherein the drain device further includes a third bracket disposed at a bottom of the first bracket, the third bracket is formed with a mounting cavity, a through hole is formed at a bottom of the mounting cavity, and the other end of the rod member passes through the mounting cavity and is connected to the traction rope through the through hole.
7. The washing machine as claimed in claim 6, wherein a first trigger position and a second trigger position are formed at the bottom of the rod member and are oppositely arranged, a first limit switch and/or a second limit switch are/is arranged in the mounting cavity, and the first limit switch and the second limit switch are electrically connected with a controller of the washing machine;
when the driving mechanism drives the rod piece to move upwards, the first trigger position is in contact with a first limit switch, the first limit switch is opened, the controller controls the driving mechanism to stop acting, the limit part is in contact with a blocking piece, and the sealing part is positioned below the water outlet;
the second trigger position is in contact with a second limit switch, the second limit switch is started, the controller controls the driving mechanism to stop acting, and the sealing part seals the water outlet.
8. The washing machine as claimed in claim 7, wherein when the driving mechanism drives the rod to move downwards, the first trigger position is separated from the first limit switch, the first limit switch is turned off, the second trigger position is separated from the second limit switch, the second limit switch is turned off, the controller controls the driving mechanism to stop, and the sealing part is far away from the water outlet.
9. A washing machine as claimed in claim 6 wherein the drip tray is provided with one of a magnetic induction sensor and a magnet, and the bottom of the washing tub is provided with the other of the magnetic induction sensor and the magnet; the magnetic induction sensor is electrically connected with a controller of the washing machine; preferably, an included angle between a connecting line of the magnetic induction sensor and the center of the washing barrel and a connecting line of the drainage device and the center of the washing barrel is alpha; the included angle between the connecting line of the magnet and the center of the washing barrel and the connecting line of the drainage device and the center of the washing barrel is alpha-20 degrees.
10. A control method for a washing machine according to claim 9, characterized in that when the washing machine runs a washing program, firstly, the rod is at a first preset position, the water outlet is opened, the washing tub rotates and rotates until the signal of the magnetic induction sensor is "disappear-generate-disappear", and the washing tub stops rotating; secondly, the rod piece is controlled to move upwards to a second preset position, the washing barrel rotates, the limiting part is in contact with the blocking piece, and the sealing part is positioned below the water outlet; and finally, the rod piece is controlled to move upwards to a third preset position, the sealing part seals the water outlet, and the washing barrel starts to feed water.
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| CN115074955A (en) * | 2022-07-15 | 2022-09-20 | 珠海格力电器股份有限公司 | Washing machine control method and device and washing machine |
| CN115125703A (en) * | 2022-07-15 | 2022-09-30 | 珠海格力电器股份有限公司 | Washing machine and control method |
| CN115125704A (en) * | 2022-07-15 | 2022-09-30 | 珠海格力电器股份有限公司 | Washing machine and control method |
| CN115142236A (en) * | 2022-07-15 | 2022-10-04 | 珠海格力电器股份有限公司 | Washing machine |
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