CN113832670B - Washing machine and control method - Google Patents
Washing machine and control method Download PDFInfo
- Publication number
- CN113832670B CN113832670B CN202111288742.5A CN202111288742A CN113832670B CN 113832670 B CN113832670 B CN 113832670B CN 202111288742 A CN202111288742 A CN 202111288742A CN 113832670 B CN113832670 B CN 113832670B
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- Prior art keywords
- rod piece
- water outlet
- bracket
- sealing
- driving mechanism
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- 238000005406 washing Methods 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 156
- 238000007789 sealing Methods 0.000 claims abstract description 125
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 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 10
- 238000007599 discharging Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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
-
- 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
Landscapes
- 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 disc 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 bracket, a fixing part of the sealing limit structure is fixed on the first bracket, the driving mechanism comprises an elastic piece, a traction motor and a traction rope, when the traction motor rotates forwards, the rod piece slides downwards, and when the rod piece 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; solves the problems of complex structure and inaccurate positioning of the existing drainage device.
Description
Technical Field
The invention relates to the technical field of washing equipment, in particular to a washing machine and a control method.
Background
With the development of economy and society, the washing machine gradually becomes an indispensable household appliance in daily life of people; the washing machine with the single-tub structure is widely paid attention to gradually, when clothes are required to be washed, a water outlet of the washing tub is sealed through a water discharging device, and at the moment, the washing tub holds water and rotates to wash the clothes; when water is needed to be drained, the water draining device opens a water draining port of the washing barrel, and water in the washing barrel is drained; however, the washing barrel rotates in the washing process, so that the position of the water outlet of the washing barrel is uncertain, the washing barrel is locked to a determined position by virtue of the locking mechanism in order to ensure that the water outlet is accurately sealed and opened, and the water outlet is ensured to be opened or closed at the same position, so that the structure of the water discharging 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 to solve the problems of complex structure, complicated control process, inaccurate positioning, untimely drainage and the like of a washing machine drainage device with a single-tub structure in the prior art.
The invention provides a washing machine, which comprises a washing barrel and a water draining device, wherein a water draining hole is formed at the bottom of the washing barrel, a water receiving tray is arranged below the water draining hole, and a blocking piece is arranged at the water draining hole; the drainage device set up in between outlet and the water collector and drainage device includes:
the sealing limiting structure is characterized in that 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 piece, and a cavity is formed in the sealing limiting structure;
the rod piece extends upwards into the cavity from the bottom of the cavity and is connected with the sealing part;
the driving mechanism is in driving connection with the rod piece 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 movement 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 the water outlet, the water outlet is opened, and the washing barrel can drain water to the water receiving disc;
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 part, and the sealing part is positioned below the water outlet;
when the rod piece 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 limiting structure and a driving mechanism arranged at the bottom of the first bracket, wherein the first bracket is provided 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 the 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 sliding hole, and then the sealing part opens the water outlet or seals the water outlet or is positioned below the water outlet.
Further alternatively, the first bracket is formed with a first limiting piece, and the first limiting piece 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 positively, 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 reversely rotates, under the action of the elastic piece, the rod piece upwards slides, when the rod piece slides to a second preset position, the limiting part is in contact with the blocking piece, and when the rod piece slides to a third preset position, the sealing part seals the water outlet.
Further alternatively, a fixing part is formed at the bottom of the sealing limiting structure, and the fixing part is arranged 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 stretches 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 limit structure; the water receiving disc is provided with a mounting opening, and the water draining 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 between the first bracket and the second bracket; the fixing part is fixed on the first bracket through the second limiting piece.
Further optionally, the drainage device further comprises a third bracket arranged at the bottom of the first bracket, the third bracket is provided with an installation cavity, a perforation is formed at the bottom of the installation cavity, and the other end of the rod piece passes through the installation cavity and passes through the perforation to be connected with the traction rope.
Further alternatively, 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 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 started, the controller controls the driving mechanism to stop acting, the limit part is in contact with the 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 turned on, the controller controls the driving mechanism to stop acting, and the sealing part seals the water outlet.
Further alternatively, 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 closed, the second trigger position is separated from the second limit switch, the second limit switch is closed, the controller controls the driving mechanism to stop, and the sealing part is far away from the water outlet.
Further optionally, the water receiving disc is provided with one of a magnetic induction sensor and a magnet, and the bottom of the washing barrel 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.
The invention also provides a control method for the washing machine, when the washing program is run by the washing machine, firstly, the rod piece is at a first preset position, the water outlet is opened, the washing barrel rotates and rotates until the signal of the magnetic induction sensor is 'disappearing-generating-disappearing', and 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; 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 receiving tray 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 in the sealing limit structure, and a sealing part is formed at the top of the sealing limit structure; the rod piece is penetrated into the cavity and connected with the sealing part; the driving mechanism can drive the rod piece to move up and down so as to realize the opening or closing of the water outlet; the drainage device comprises a first bracket, a fixing part of the sealing limit structure is fixed on the first bracket, the driving mechanism comprises an elastic piece, a traction motor and a traction rope, the rod piece, the traction rope and the traction motor are sequentially connected, and the elastic piece is arranged between the sealing part and the first bracket; when the traction motor rotates forwards, the rod piece slides downwards under the action of the traction rope, the sealing part is separated from the water outlet when the rod piece moves to a first preset position, the water outlet is opened, and the washing barrel can drain water to the water receiving disc; when the rod piece moves to a 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 the washing barrel stores water; the structure is simple, the control process of opening, sealing and positioning the water outlet is simplified, the opening is rapid, the water is discharged timely, the sealing is tight, the positioning is accurate, and the installation is convenient and quick; solves the problems of complex structure, inaccurate positioning and inaccurate sealing of the existing drainage device.
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 will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1a is a schematic view showing the structure of an embodiment of a washing machine in a dewatering/draining state according to the present invention;
FIG. 1b is an enlarged view of FIG. 1a at I;
FIG. 2a is a schematic structural view of an embodiment of the washing machine in a positioning state;
FIG. 2b is an enlarged view of the area II in FIG. 2 a;
FIG. 3a is a schematic structural view of an embodiment of a washing machine in a sealed state according to the present invention;
FIG. 3b is an enlarged view of III in FIG. 3 a;
fig. 4 is a schematic structural view of an embodiment of the washing machine provided by the invention when the sealing part and the blocking member are matched;
FIG. 5 is a schematic diagram of an embodiment of a magnetic induction sensor according to the present invention;
FIG. 6 is a schematic view of a shaft side structure of an embodiment of a washing machine according to the present invention;
in the figure:
1-a washing barrel; 11-a water outlet; 12-a barrier;
2-a water receiving disc; 21-a mounting port; 211-a buckle;
3-a drainage device; 31-sealing limit structure; 311-cavity; 312-sealing part; 313-corrugated section; 314—a fixing part; 32-bar members; 321-a support; 322-first trigger bit; 323-a second toggle bit; 33-a first scaffold; 331-first limiting piece; 332-slide hole; 34-a second bracket; 341-a clamping groove; 35-a third bracket; 351-mounting cavity; 361-a first limit switch; 362-a second limit switch;
4-a driving mechanism; 41-an elastic member; 42-traction motor; 43-hauling rope;
51-magnetic induction sensor; 52-magnet.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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 this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, the "plurality" generally includes at least two, but does not exclude the case of at least one.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product 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 product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
When the existing washing machine with a single-drum structure is used for washing clothes, a water outlet of a washing drum is closed through a water discharging device, and the washing drum rotates to wash the clothes; the water draining device opens the water draining port of the washing barrel during water draining, and the washing barrel drains water; however, the rotation of the washing barrel causes the position of the water outlet of the washing barrel to be uncertain, the washing barrel is locked to the determined position by virtue of the locking mechanism, and the water outlet is ensured to be opened or closed at the same position, so that the structure of the water draining device is complicated, the control process is complicated, the positioning is inaccurate, and the water draining is not timely.
The invention creatively provides a washing machine, which comprises a washing barrel and a drainage device; a water receiving tray 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 in the sealing limit structure, and a sealing part is formed at the top of the sealing limit structure; the rod piece is penetrated into the cavity and connected with the sealing part; when the driving mechanism drives the rod piece to move 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 disc; when the driving mechanism drives the rod piece to move to a 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 structure is simple, the control process of opening, sealing and positioning the water outlet is simplified, the opening is rapid, the water is discharged timely, the sealing is tight and the positioning is accurate, the problems of complex structure, inaccurate positioning and inaccurate sealing of the existing water discharging device are solved, and the problem of complex control process of the existing water discharging device is solved.
As shown in fig. 1a, 2a and 3a, the present embodiment provides a washing machine, including a washing tub 1 and a drain device 3, wherein a drain opening 11 is formed at the bottom of the washing tub 1, a water receiving tray 2 is arranged below the drain opening 11, and a blocking member 12 is arranged at the drain opening; the drainage device is arranged between the drainage port 11 and the water receiving disc 2;
the drainage device 3 comprises a sealing limit structure 31, a rod piece 32 and a driving mechanism 4; a cavity 311 is formed in the sealing limit structure 31, and a sealing part 312 matched with the water outlet 11 is formed at the top of the sealing limit structure 31; a limiting part matched with the blocking piece is formed on the side part of the sealing limiting 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 limit structure 31 is a sealing rubber plug;
the rod 32 can move up and down under the driving action of the driving mechanism, and the rod 32 is provided with a first preset position, a second preset position and a third preset position along the movement direction of the rod 32; the rod 32 is controlled to move up and down, and the supporting part 321 drives the sealing part 312 to move up and down, so that the water outlet 11 is opened, positioned and sealed;
as shown in fig. 1a and 1b, when the lever 32 is driven by the driving mechanism to move downward to the first preset position, the sealing portion 312 is separated from the drain opening 11, the drain opening 11 is opened, and the washing tub 1 can drain water to the water receiving tray 2, and then the water receiving tray 2 is discharged 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 preset position, the limiting part contacts with the blocking part 12, the washing tub 1 stops rotating, and the sealing part 312 is positioned below the water outlet 11 to prepare for the subsequent sealing of the water outlet 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 drain port 11, and the washing tub 1 stores water, and the washing tub 1 can be used for washing laundry.
Further, as shown in fig. 1a, 2a and 3a, the drainage device 3 further includes a first bracket 33 disposed at the bottom of the seal limiting structure 31, and the first bracket 33 is formed with a sliding hole 332; one end of the rod 32 passes through the sliding 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 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 sliding 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, improving the accuracy of positioning the sealing portion 312 and the tightness of sealing the drain port 11.
The first bracket 33 is formed with a first limiting piece 331, and the first limiting piece 331 is formed with a sliding hole 332; the driving mechanism 4 includes an elastic member 41, a traction motor 42, and a traction rope 43; one end of the elastic member 41 is connected with one end of the rod member 32, and the other end of the elastic member 41 is connected with the first limiting member 331; one end of the traction rope 43 is connected with the other end of the rod piece 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 in the forward direction, the rod 32 slides downwards along the sliding hole 332 under the action of the traction rope 43, the elastic piece 41 is compressed, the sealing part 312 is separated from the water outlet 11 when the rod 32 slides to the first preset position, the water outlet 11 is opened, and the washing tub 1 drains water to the water receiving disc 2;
when the traction motor 42 rotates reversely, under the action of the elastic piece 41, the rod piece 32 slides upwards, when the rod piece 32 slides to a second preset position, the limiting part contacts with the blocking piece 12, the washing barrel 1 stops rotating, and when the rod piece 32 slides to a third preset position, the sealing part 312 seals the water outlet 11, and the washing barrel 1 can store water and is 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 seal stopper 31, and the fixing portion 314 is disposed on the first bracket 33; a bellows 313 is provided between the sealing portion 312 and the fixing portion 314; the sealing portion 312, the corrugated section 313 and the fixing portion 314 enclose a cavity 311;
when the bellows 313 is extended by the driving mechanism 4, the sealing portion 312 slides upward relative to the fixing portion 314; when the bellows 313 is compressed, the sealing portion 312 slides downward relative to the fixing portion 314; so that the sealing portion 312 can open and seal the drain opening 11 with the extension and compression of the corrugated section 313;
further, the drainage device 3 further comprises a second bracket 34 arranged on the first bracket 33 and on the same side as the sealing limit structure 31; the water receiving disc 2 is provided with a mounting opening 21, and the water draining 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 fixing of the drainage device 3 on the water receiving disc 2 is realized through the cooperation of the buckle 211 and the clamping groove 341; preferably, the first bracket 33, the second bracket 34, the seal limiting structure 31, the elastic member 41 and the lever 32 are coaxially disposed.
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 piece; in the present 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; the sealing limit 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, the third bracket 35 is provided with a mounting cavity 351, the bottom of the mounting cavity 351 is provided with a perforation, and the other end of the rod piece 32 passes through the mounting cavity 351 and passes through the perforation 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 piece 32, a first limit switch 361 and/or a second limit switch 362 are arranged in the mounting 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 piece 32 to move upwards, when the first trigger position 322 is contacted 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 contacted with the blocking piece 12, and the sealing part 312 is positioned below the water outlet 11; specifically, when the traction motor 42 rotates reversely and drives the rod 32 to move upwards, and 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 that positioning is realized, and preparation is made for subsequent sealing of 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 drain port 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 drain port 11.
Further, when the driving mechanism 4 drives the rod 32 to move downwards, the first trigger position 322 is separated from the first limit switch 361, the first limit switch 361 is closed, the second trigger position 323 is separated from the second limit switch 362, the second limit switch 362 is closed, and the controller controls the driving mechanism 4 to stop acting, so that 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 is discharged to the open, and at this time, the washing tub 1 can drain water to the water receiving tray 2; the water outlet 11 can be opened, positioned and sealed by adopting a simple structure, so that the control process is simplified, and the sealing is tight.
Further, as shown in fig. 4, 5 and 6, one of the magnetic induction sensor 51 and the magnet 52 is provided on the water pan 2, and the other of the magnetic induction sensor 51 and the magnet 52 is provided at the bottom of the washing tub 1; 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 tub and the connecting line of the drainage device 3 and the center of the washing tub 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 water discharging 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 receiving disc 2, the magnet 52 is fixed at the bottom of the washing barrel 1, and when the magnet 52 rotates along with the washing barrel 1, the magnet 52 generates a signal after passing through the magnetic induction sensor 51, so as to control the washing barrel 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 signals.
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 piece 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 reversely rotate, enabling the rod piece 32 to slide upwards to a second preset position, controlling the washing barrel 1 to continuously rotate at the speed of 2r/min by the controller, enabling the limiting part to be in contact with the blocking part 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 reversely rotate, the rod piece 32 slides upwards to a third preset position, the sealing part 312 seals the water outlet 11, and the washing barrel 1 starts to enter water and enters a washing state;
after the washing is finished, the traction motor 42 is controlled to rotate forwards, the rod piece 32 slides downwards to a first preset position, the water outlet 11 is opened, washing water in the washing barrel 1 is discharged outside the washing machine, and the steps are repeated in the subsequent rinsing and dewatering steps;
the traction motor 42 is utilized to realize the stretching of the traction rope 43 in a forward and reverse rotation manner, so that the opening, positioning and sealing of the water outlet 11 of the washing tub 1 of the washing machine 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, 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 piece 32 to move upwards and the position sensor detects the first trigger position 322, the controller controls the driving mechanism 4 to stop acting, the side part of the sealing part 312 contacts with the blocking piece 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 port 11.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that this disclosure is not limited to the particular arrangements, instrumentalities and methods of implementation 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 (11)
1. The washing machine is characterized by comprising a washing barrel and a water draining device, wherein a water draining port is formed at the barrel bottom of the washing barrel, a water receiving disc is arranged below the water draining port, and a blocking piece is arranged at the water draining port; the drainage device set up in between outlet and the water collector and include:
the top of the sealing rubber plug is provided with a sealing part matched with the water outlet, and the side part of the sealing rubber plug is provided with a limiting part matched with the blocking piece; a cavity is formed in the sealing rubber plug;
a rod piece which extends upwards from the bottom of the cavity into the cavity and is connected with the sealing part;
the driving mechanism is in driving connection with the rod piece 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 movement 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 the water outlet, the water outlet is opened, and the washing barrel can drain water to the water receiving disc;
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 part, and the sealing part is positioned below the water outlet;
when the rod piece 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 drainage device further comprises a first bracket provided at the bottom of the sealing rubber plug, 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 the 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 sliding 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 positively, 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. A washing machine as claimed in claim 3, wherein a fixing portion is formed at the bottom of the sealing rubber stopper, the fixing portion 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 stretches 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 drainage device further comprises a second bracket provided on the first bracket and provided on the same side as the sealing rubber stopper; the water receiving disc is provided with a mounting opening, and the water draining 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 bracket through the second limiting piece.
6. The washing machine as claimed in claim 5, wherein the drainage device further comprises a third bracket provided at the bottom of the first bracket, the third bracket is formed with a mounting cavity, the bottom of the mounting cavity is formed with a through hole, and the other end of the rod is connected with the traction rope through the mounting cavity and through the through hole.
7. The washing machine according to claim 6, wherein a first trigger position and a second trigger position which are oppositely arranged are formed at the bottom of the rod piece, a first limit switch and/or a second limit switch are 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 started, the controller controls the driving mechanism to stop acting, the limit part is in contact with the 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 turned on, 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 the first trigger position is separated from the first limit switch when the driving mechanism drives the lever to move downward, 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 drain opening.
9. The washing machine as claimed in claim 6, wherein one of a magnetic induction sensor and a magnet is provided on the water receiving tray, and the other of the magnetic induction sensor and the magnet is provided at the bottom of the washing tub; the magnetic induction sensor is electrically connected with a controller of the washing machine.
10. The washing machine as claimed in claim 9, wherein an angle between a line connecting the magnetic induction sensor and the center of the tub and a line connecting the drain device and the center of the tub is α; 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.
11. A control method for a washing machine as claimed in claim 9, wherein when the washing machine runs a washing program, first the lever is at a first preset position, the drain opening is opened, the washing tub rotates and the rotation of the washing tub is stopped when the signal of the magnetic induction sensor is "disappeared-generated-disappeared"; 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; 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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| CN115074955B (en) * | 2022-07-15 | 2023-05-02 | 珠海格力电器股份有限公司 | Washing machine control method and device and washing machine |
| CN115110249A (en) * | 2022-07-15 | 2022-09-27 | 珠海格力电器股份有限公司 | Washing control method of pulsator washing machine without outer barrel and washing machine |
| CN115125704B (en) * | 2022-07-15 | 2023-07-18 | 珠海格力电器股份有限公司 | Washing machine and control method |
| CN115142236B (en) * | 2022-07-15 | 2023-07-18 | 珠海格力电器股份有限公司 | Washing machine |
| CN115125703B (en) * | 2022-07-15 | 2023-07-18 | 珠海格力电器股份有限公司 | Washing machine and control method |
| CN115125705A (en) * | 2022-07-15 | 2022-09-30 | 珠海格力电器股份有限公司 | Washing machine and control method |
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