CN110144697B - Drainage control method of washing machine - Google Patents
Drainage control method of washing machine Download PDFInfo
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- CN110144697B CN110144697B CN201810146786.6A CN201810146786A CN110144697B CN 110144697 B CN110144697 B CN 110144697B CN 201810146786 A CN201810146786 A CN 201810146786A CN 110144697 B CN110144697 B CN 110144697B
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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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/006—Recovery arrangements, e.g. for the recovery of energy or water
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a drainage control method of a washing machine, wherein the washing machine comprises a washing barrel and a water collecting device, wherein the washing barrel can be used for containing water in a washing process, the water collecting device is used for collecting water discharged by the washing barrel, and a water collecting level detecting device is arranged in the water collecting device; the drainage control method comprises the following steps: in the drainage process of the washing machine, if the water level detected by the water collecting level detection device reaches the preset safe water level, the drainage is suspended. According to the invention, the water collecting water level detection device is arranged in the water collecting device, the water level in the water collecting device is detected by the water collecting water level detection device in the drainage control method of the washing machine, and when the water level in the water collecting device reaches the preset safe water level, the drainage is controlled to be suspended, so that the overflow risk in the drainage process of the washing machine is avoided.
Description
Technical Field
The invention relates to the technical field of washing equipment, in particular to a drainage control method of a washing machine.
Background
The washing machine is designed as a device for washing laundry by using electricity, and generally, the washing machine includes: a tub for holding washing water; a rotating tub rotatably installed inside the tub; a pulsator rotatably installed at the bottom of the rotary tub; a motor and a clutch configured to rotate the rotary tub and the pulsator. When the rotary tub and the pulsator are rotated in a state in which laundry and detergent are introduced into the rotary tub, the pulsator stirs wash water together with the laundry introduced into the rotary tub, thereby removing dirt from the laundry.
In order to increase the washing capacity of the washing machine, a larger rotary tub is required, i.e., the height or diameter of the rotary tub needs to be increased. If the rotary tub has a larger size, a receiving tub and a cabinet for receiving the rotary tub also need to be enlarged as the rotary tub is enlarged.
The increase of the cabinet corresponding to the appearance of the washing machine is limited by the space of the area for installing the washing machine, the position for using the washing machine in a common user home is limited, the purpose of increasing the capacity of the washing tub by increasing the cabinet of the washing machine is unrealistic, and how to increase the capacity of the rotary tub becomes a big problem which troubles designers on the premise of not increasing the cabinet of the washing machine.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention is to provide a method for controlling drainage of a washing machine, and specifically, the following technical solution is adopted:
a water discharge control method of a washing machine comprises a washing barrel for holding water and a water collecting device for collecting water discharged by the washing barrel in a washing process, wherein a water collecting water level detection device is arranged in the water collecting device;
the drainage control method comprises the following steps: in the drainage process of the washing machine, if the water level detected by the water collecting level detection device reaches a preset safe water level, the drainage is suspended.
Furthermore, a water outlet is formed in the bottom of the washing barrel, a water drainage device is arranged in the water collection device, and the water drainage device comprises a valve plug which moves up and down to open/close the water outlet of the washing barrel;
the control method comprises the following steps: in the drainage process of the washing machine, if the water level detected by the water collecting level detection device reaches the preset safe water level, the valve plug is controlled to move upwards to close the drainage port of the washing barrel, and the drainage process is suspended.
Further, the washing machine sets a water drainage pause time interval T0, when the water drainage pause time reaches the water drainage pause time interval T0, the washing machine judges whether the water level in the water collecting device is smaller than a preset safe water level or not, if so, the water drainage is restarted, and if not, the water drainage pause is continued for the next water drainage pause time interval T0;
wherein, the time interval T0 of the suspended drainage is a set value.
Further, after the time interval T0 of the suspended drainage is performed N times, the washing machine stops drainage and gives an alarm when the water level in the water collecting device is still at the preset safe water level.
Further, the water level detection device that catchments is pressure sensor, pressure sensor sets up carries out water level detection at the top of valve plug:
when the washing machine controls the valve plug to move upwards to close the water outlet of the washing barrel, the pressure sensor is used for detecting the water level in the washing barrel;
when the washing machine controls the valve plug to move downwards to open the water outlet of the washing barrel, the valve plug is retracted into the water collecting device, and the pressure sensor is used for detecting the water level in the water collecting device.
Furthermore, the washing machine presets a lowest drainage water level, and in the process of suspending drainage, when the water level detected by the water collecting water level detection device reaches the lowest drainage water level, the drainage is restarted.
Furthermore, the washing machine presets a maximum pause drainage time, and stops drainage and gives an alarm when the pause drainage time reaches the maximum pause drainage time.
Furthermore, a washing water level detection device for detecting the water level in the washing barrel is arranged in the washing barrel, the washing machine comprises a main control unit, and the washing water level detection device and the water collecting water level detection device are respectively and electrically connected with the main control unit.
The second invention of the present invention is to provide a washing machine, specifically, the following technical solutions are adopted:
a washing machine adopting the drainage control method comprises a main control unit and a water collecting water level detection device arranged in a water collecting device and used for detecting the water level in the water collecting device, wherein the water collecting water level detection device is electrically connected with the main control unit.
Furthermore, an open water collecting cavity is arranged in the water collecting device, a water collecting guide groove is formed in the bottom wall of the water collecting cavity, and the water collecting water level detection device is arranged in the water collecting guide groove;
the washing machine is characterized in that a washing water level detection device for detecting the water level in the washing barrel is arranged in the washing barrel, and the washing water level detection device and the water collecting water level detection device are respectively and electrically connected with the main control unit.
The inner barrel of the washing machine can be used for containing water in the washing process, so that the inner barrel adopts the design of a hole-free inner barrel, the structural design of an outer barrel is cancelled, and a water collecting device is adopted to replace the outer barrel to collect and drain water, so that the washing machine has the following technical effects:
1. the inner barrel capacity can be increased under the condition that the volume of the shell is not changed, and the capacity expansion effect of the washing machine is achieved.
2. In the washing process water only exists the bucket, avoided traditional washing machine to deposit water between the interior bucket of outer bucket and lead to outer bucket inner wall and the problem that the bucket outer wall "hidden dirty and hold dirt", better washing effect has.
3. An outer barrel is omitted, an inner barrel is a water containing barrel, water is not stored between the inner barrel and the outer barrel in the washing process, the water consumption for washing is reduced, and the water consumption for washing is saved.
According to the invention, the water collecting water level detection device is arranged in the water collecting device, the water level in the water collecting device is detected by the water collecting water level detection device, and the water drainage is controlled to be suspended when the water level in the water collecting device reaches the preset safe water level, so that the overflow risk in the water drainage process of the washing machine is avoided.
Drawings
FIG. 1 is a block flow diagram of a drain control method of a washing machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of a washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a water collecting device of a washing machine according to an embodiment of the present invention;
FIG. 4 is a plan view of a water collecting device of the washing machine according to the embodiment of the present invention;
FIG. 5 isbase:Sub>A sectional view ofbase:Sub>A water collecting device ofbase:Sub>A washing machine according to an embodiment of the present invention, taken along the plane A-A of FIG. 4;
FIG. 6 is a bottom view schematically illustrating a water collecting device of the washing machine according to the embodiment of the present invention;
FIG. 7 is a sectional view of a water collecting device of a washing machine according to an embodiment of the present invention, taken along the plane B-B of FIG. 6;
FIG. 8 is a schematic perspective view of a water collecting device of a fifth washing machine according to an embodiment of the present invention;
FIG. 9 is a bottom view schematically illustrating a water collecting device of a fifth washing machine according to an embodiment of the present invention;
FIG. 10 is a sectional view of a water collecting device of a fifth washing machine according to an embodiment of the present invention, taken along the plane C-C of FIG. 9;
FIG. 11 is a schematic perspective view of a water collecting device of a six-washing machine according to an embodiment of the present invention;
FIG. 12 is a schematic perspective view illustrating a water collecting apparatus of a sixth washing machine according to an embodiment of the present invention;
fig. 13 is a sectional view of a water collecting device of a six-washing machine according to an embodiment of the present invention.
Detailed Description
The drain control method of a washing machine of the present invention will be described in detail with reference to the accompanying drawings:
example one
As shown in fig. 1, the drainage control method of a washing machine of the present embodiment includes a washing tub for holding water during a washing process and a water collecting device for collecting drainage water of the washing tub, wherein the washing tub of the washing machine of the present embodiment is used as a water tub, and no outer tub is disposed outside the washing tub.
Therefore, the water collecting device of the embodiment is provided with the water collecting level detecting device, and meanwhile, the risk of overflow in the water discharging process of the washing machine is prevented by combining with the water discharging control method.
The drainage control method of the embodiment comprises the following steps: in the drainage process of the washing machine, if the water level detected by the water collecting level detection device reaches the preset safe water level, the drainage is suspended.
In the drainage control method of the embodiment, whether the drainage pipeline is smooth or not is judged according to the water level detected by the water level detection device, if the water level in the water collection device reaches the preset safe water level, the drainage pipeline is not smooth, and drainage needs to be stopped at the moment to prevent overflow.
This embodiment is through setting up catchment water level detection device in water-collecting device, and catchment water level detection device detects the water level in the water-collecting device, reaches to predetermineeing safe water level when water-collecting device in and controls the drainage of suspending promptly, has avoided the overflow risk of washing machine drainage in-process.
Specifically, a water discharge port is formed in the bottom of the washing barrel, a water drainage device is arranged in the water collection device, and the water drainage device comprises a valve plug which moves up and down to open/close the water discharge port of the washing barrel;
the control method comprises the following steps: in the drainage process of the washing machine, if the water level detected by the water collecting level detection device reaches a preset safe water level, the valve plug is controlled to move upwards to close the drainage outlet of the washing barrel, and the drainage process is suspended.
As a first implementation manner of this embodiment, the method for controlling drainage of a washing machine in this embodiment includes that the washing machine sets a drainage pause time interval T0, when the drainage pause time reaches the drainage pause time interval T0, it is determined whether the water level in the water collecting device is less than a preset safe water level, if so, drainage is restarted, and if not, drainage pause is continued for a next drainage pause time interval T0;
wherein, the time interval T0 of the suspended drainage is a set value.
Further, the washing machine water discharge control method of the embodiment includes that when the water level in the water collection device is still at the preset safe water level after the execution of the N times of the pause water discharge time interval T0, the washing machine stops water discharge and gives an alarm.
As an implementation manner of this embodiment, the water level detection device is a pressure sensor, and the pressure sensor is arranged on the top of the valve plug for water level detection:
when the washing machine controls the valve plug to move upwards to close the water outlet of the washing barrel, the pressure sensor is used for detecting the water level in the washing barrel;
when the washing machine controls the valve plug to move downwards to open the water outlet of the washing barrel, the valve plug is retracted into the water collecting device, and the pressure sensor is used for detecting the water level in the water collecting device.
Like this, the water level detection device catchments of this embodiment can realize the water level detection in the in-process washtub of intaking and the water level detection in the drainage in-process water collection device simultaneously, has saved a water level detection device, has simplified overall structure, has reduced manufacturing cost.
In addition, when the washing machine of the embodiment is provided with only one water collecting level detection device to simultaneously realize the water level detection of the washing tub and the water collecting device, during the water drainage process, when the water level in the water collecting device is detected to reach the preset safe water level, the valve plug acts to plug the water outlet of the washing tub, at this time, the water collecting level detection device cannot detect the water level in the water collecting device, and when the water level in the water collecting device can be reduced to be lower than the preset safe water level, the water drainage can not be judged.
As a second embodiment of the present invention, a drainage control method of a washing machine includes presetting a minimum drainage water level in the washing machine, and restarting drainage when the water level detected by the water collection level detection device reaches the minimum drainage water level during the drainage suspension process.
Furthermore, the washing machine presets a maximum pause drainage time, and stops drainage and gives an alarm when the pause drainage time reaches the maximum pause drainage time.
The washing machine comprises a main control unit, and the washing water level detection device and the water collecting level detection device are respectively and electrically connected with the main control unit.
In this way, the washing water level detection device and the water collection level detection device detect the water levels of the washing tub and the water collection device, respectively, to realize the control process of the second embodiment.
Example two
As shown in fig. 2, a washing machine includes a water level sensing device including a washing water level sensing device 1002 for sensing a water level in the washing tub 200 and a water collecting device 1001 for sensing a water level in the water collecting device 500, a washing tub 200 for holding water during a washing process, and a water collecting device 500 for collecting water discharged from the washing tub.
The washing tub 200 of the washing machine of the present embodiment is used as a water tub, no outer tub is disposed outside the washing tub 200, and the water level detection apparatus of the present embodiment includes a washing water level detection apparatus 1002 for detecting the water level in the washing tub 200 and a water level detection apparatus 1001 for detecting the water level in the water collection apparatus 500, so that the water level in the washing tub 200 and the water level detection apparatus 500 can be detected during the washing process, and the water overflow phenomenon of the washing tub 200 and the water collection apparatus 500 can be prevented.
As an implementation manner of this embodiment, the water collecting device 500 includes a water collecting cavity, and the water collecting level detecting device 1001 includes a water level detecting end, and the water level detecting end is disposed at the lowest water level position in the water collecting cavity.
Furthermore, a concave water collecting groove is formed in the bottom wall of the water collecting cavity, and a water level detection end of the water collecting water level detection device is arranged in the water collecting groove.
The water level detection device 1001 of the present embodiment may adopt a water level detection device of an existing washing machine, the water level detection device includes a water level sensor and an air chamber, an input end of the air chamber communicates with a lowest water level position in the water collection chamber, and the water level sensor is connected to an output end of the air chamber.
As an implementation manner of this embodiment, the water collecting device 500 includes a water collecting cavity, and the water collecting level detecting device 1001 is a pressure sensor disposed at the lowest water level position in the water collecting cavity.
Preferably, the bottom wall of the water collecting cavity is provided with a downward-concave water collecting groove, and the pressure sensor is arranged in the water collecting groove.
As an implementation manner of this embodiment, the bottom of the washing tub 200 is provided with a water discharge port, the washing machine includes a water discharge device disposed in the water collection device 500, the water discharge device includes a valve plug, and the valve plug moves up and down to open/close the water discharge port of the washing tub; the washing water level detecting device 1002 is a pressure sensor that is provided with a top of a valve plug to detect a water level in the washing tub.
The washing water level detecting device 1002 of this embodiment is a pressure sensor, and is integrated on a valve plug of the drainage device, during the washing process, the valve plug keeps blocking the drainage port, and the pressure sensor on the valve plug can achieve the purpose of detecting the water level in the washing tub 200. The present embodiment solves the problem of water level detection when the washing tub 200 is adopted as the tub.
Specifically, this embodiment water collection device 500 include the chamber that catchments, the diapire in chamber that catchments include the home part that whole parallel and level set up and be located the water catch bowl of the peripheral a week of home part, the home part on set up the first installation position of drainage device who is used for installing drainage device, the water catch bowl in set up the second installation position that is used for installing catchment water level detection device.
Further, the washing machine of the present embodiment includes a main control unit, and the washing water level detection device and the collected water level detection device are electrically connected to the main control unit, respectively. Therefore, the main control unit can detect the water level condition of the whole washing process of the washing machine according to the washing water level detection device and the water collecting water level detection device, and the overflow phenomenon is prevented.
EXAMPLE III
As shown in fig. 2-5, the washing machine of the present embodiment includes a washing tub 200 for holding water during a washing process and a water collecting device 500 for collecting water discharged from the washing tub 200, wherein the water collecting device 500 includes a water collecting chamber 503 and a water discharge opening 504 communicated with the water collecting chamber 503, and a water guiding structure for guiding water to the water discharge opening 504 is disposed on a bottom wall of the water collecting chamber 503.
The washing tub 200 of the washing machine of this embodiment is used as a water tub, and no outer tub is disposed outside the washing tub 200, but the water collecting device 500 is disposed only at the bottom of the washing tub 200, so that the washing water of the washing tub is discharged to the water collecting device 500, and thus the water collecting device 500 has a water collecting chamber 503 to temporarily store water, the height of the water collecting device 500 is less than that of the washing tub 200, and a water guiding structure for guiding the water to the water outlet 504 is disposed at the bottom wall of the water collecting chamber 503, so as to ensure the timely discharge of the water and prevent the water collecting device 500 from overflowing too much water.
As an implementation manner of this embodiment, all or a part of the bottom wall of the water collection cavity 503 is arranged to transition from high to low to form the water guiding structure, and the water outlet 504 is arranged on the bottom wall of the water collection cavity 503 at a position below the highest water level. Thus, the drainage can be discharged to the drainage opening 504 along the water guiding structure of the water collecting cavity 503.
Further, in this embodiment, a concave water collection tank 502 is disposed on the bottom wall of the water collection cavity 503, the depth of the water collection tank 502 in the vertical direction is set to be in a transition from high to low to form the water guiding structure, and the water discharge port 504 is disposed in the water collection tank 502 and located below the highest water level. In this embodiment, a concave water collecting groove 502 is provided in the water collecting cavity 503, so that on one hand, the volume of collecting water can be increased, and on the other hand, water can be prevented from splashing. Since the water level of the water collection sump in the water collection chamber 503 is lowest, the placement of the drain opening 504 in the water collection sump facilitates draining.
Specifically, the water collecting tank 502 described in this embodiment is circumferentially arranged along the bottom wall of the water collecting cavity 503, and the depth of the water collecting tank 502 in the vertical direction is set in a transition from high to low in a clockwise or counterclockwise direction to form the water guiding structure.
Preferably, the depth of the water collecting tank in the vertical direction is in a transition arrangement from high to low in the clockwise direction to form the water guiding structure.
In an embodiment of this embodiment, the water guiding structure is a spiral structure or a step-shaped structure in which the bottom of the water collecting tank 502 is gradually lowered from the top, and the water outlet 504 is disposed in the water collecting tank at the lowest water level position of the spiral structure or the step-shaped structure. Thus, the drained water can be completely drained, and the water is prevented from being reserved in the water collecting cavity 503.
Specifically, as shown in fig. 5, the height difference between the highest and the lowest positions of the bottom of the water collecting tank 502 is h, which can be designed according to the drainage requirement of the washing machine.
In the washing machine of the present embodiment, the part of the wall of the washing tub 200 below the highest water level is sealed, and the washing tub 200 can be used for holding water during the washing process; the part of the wall of the washing tub 200 above the highest water level is provided with dewatering holes, and the washing tub 200 can be drained by the dewatering holes in the dewatering process; the outer wall of the washing tub 200 is provided with a dewatering drainage device 300, the water inlet end of the dewatering drainage device 300 is communicated with the dewatering holes, and the water outlet end of the dewatering drainage device 300 extends into the water collecting cavity 503 of the water collecting device 500.
The washing tub 200 of the washing machine of the present embodiment is a "holeless washing tub", the washing tub 200 is a water tub during the washing process, dewatering holes are formed above the highest water level of the tub wall of the washing tub 200 to achieve a dewatering function, and meanwhile, a dewatering and draining device is arranged on the tub wall of the washing tub 200 to guide water during the dewatering process of the washing machine into the water collecting cavity 503 of the water collecting device 500 for collection and drainage through the dewatering and draining device, so as to prevent the water flow from splashing into the casing of the washing machine.
The water collecting device 500 of the present embodiment is located below the washing tub 200 and is coaxial with the washing tub, the upper opening of the water collecting device 500 is lower than the dewatering holes of the washing tub 200, and the dewatering and drainage device 300 includes a drainage channel extending into the water collecting tank 502 of the water collecting device 500 from top to bottom; the depth of the sump 502 in the vertical direction is gradually increased along the direction in which the washing tub rotates when being dehydrated. The present embodiment extends the dewatering drainage device 300 into the water collection tank 502 of the water collection device 500, so that the water from the dewatering process can be collected in the water collection tank 502 and discharged, and at the same time, the depth of the water collection tank 502 is greater than that of the water collection cavity 503, so that the splashing of the dewatering drainage can be prevented.
Further, in this embodiment, a plurality of dewatering holes are disposed at the opening of the washing tub 200, the drainage channel includes a plurality of drainage holes, which are respectively corresponding to the dewatering holes one by one, the upper end of the drainage channel is communicated with the dewatering holes, and the lower end of the drainage channel extends into the water collecting tank 502 of the water collecting device.
Or, a plurality of dewatering hole groups are uniformly arranged at the position of the bucket opening of the washing bucket 200, each dewatering hole group comprises a plurality of dewatering holes, the drainage channels comprise a plurality of dewatering holes which are respectively in one-to-one correspondence with the dewatering hole groups, the upper ends of the drainage channels are communicated with the plurality of dewatering holes of one dewatering hole group, and the lower ends of the drainage channels extend into the water collecting tank 502 of the water collecting device.
As an implementation manner of this embodiment, the bottom wall of the water collecting cavity 503 includes a base 505 disposed flush with the whole body and an annular water collecting groove 502 located around the periphery of the base 505, the plurality of drainage channels include a plurality of channels, and the drainage channels are respectively and uniformly distributed along the outer wall of the washing tub, and the water outlet ends of the plurality of drainage channels are all communicated to the annular water collecting groove.
Further, the drainage opening 504 of the present embodiment is disposed at the lowest water level in the annular water collection tank 502, and the drainage opening 504 is expanded toward the base 505 to meet the requirement of drainage capacity, so as to increase the aperture of the drainage opening 504, increase the water flow rate, meet the drainage requirement, and avoid the water collection device 500 from water accumulation overflow.
This portion 505 of this embodiment has valve plug installation department 506 and locking part installation department 507 on, installs the valve plug on the valve plug installation department 506, installs the locking part on the locking part installation department 507, washing tub 200's bottom set up locating hole and washing tub drain, when the washing tub carries out the drainage, locking part action is inserted in the locating hole on washing tub 200, fixes a position the locking with washing tub 200, simultaneously, the valve plug action is opened the washing tub drain and is carried out the washing tub drainage.
The water collecting device 500 of the present embodiment is a tub-shaped structure having a cavity therein. The water collecting device 500 is hung in the shell 100 of the washing machine through the hanger rod 400, the outer peripheral wall of the water collecting device is provided with hanger rod installation seats 501 for assembling the hanger rod 400, and preferably, the number of the hanger rod installation seats is four, and the hanger rod installation seats are uniformly distributed along the circumferential direction of the hanger rod installation seats.
The water collecting device 500 of the present embodiment has a driving device 600 mounted on a bottom wall thereof, and has a tub shaft and a pulsator shaft for driving the washing tub 200 and the pulsator 800 to rotate.
The opening of the washing tub 200 of the embodiment is provided with the balancing ring 900, and the dewatering holes of the washing tub 200 are arranged at the opening and are shielded by the balancing ring 900, so that the washing tub 200 can achieve the 'no holes' in the appearance, and the integral performance is improved.
The washing machine of the embodiment adopts a 'nonporous washing barrel' and simultaneously cancels the structural design of an outer barrel:
1. under the condition that the volume of the shell is not changed, the capacity of the washing barrel can be increased, and the capacity expansion effect of the washing machine is realized.
2. Water only exists in the washing barrel during the washing process, so that the problem that the inner wall of the outer barrel and the outer wall of the washing barrel store dirt and dirty due to water stored between the inner barrel and the outer barrel of the traditional washing machine is solved, and a better washing effect is achieved.
3. An outer barrel is omitted, the washing barrel is a water containing barrel, water is not stored between the inner barrel and the outer barrel in the washing process, the water consumption for washing is reduced, and the water consumption for washing is saved.
4. The water collecting tank of the water collecting device is in high-low transition arrangement, better water guiding and draining are achieved, water collecting and draining of the water collecting device are guaranteed, and accumulated water overflow of the water collecting device is prevented.
Example four
As shown in fig. 2 to 7, a washing machine of the present embodiment includes a washing tub 200 for holding water during a washing process and a water collecting device 500 for collecting water discharged from the washing tub 200, wherein the water collecting device 500 includes a water collecting chamber 503 and a water discharge opening 504 communicating with the water collecting chamber 503, a bottom wall of the water collecting chamber 503 is provided with a downwardly concave water collecting groove 502, and an innermost circumference of the water discharge opening 504 is located within an outermost circumference of the water collecting groove 502.
The washing tub 200 of the washing machine of the present embodiment is used as a tub, and no outer tub is provided outside the washing tub 200, but the present embodiment is provided with the water collecting device 500 only at the bottom of the washing tub 200, so that the washing water of the washing tub is discharged to the water collecting device 500 and then discharged, and thus the water collecting device 500 has the water collecting chamber 503 to perform a temporary water storing function, and the present embodiment locates the innermost circumference of the water discharge opening 504 within the outermost circumference of the water collecting tank 502, so that the water discharge opening 504 can work at full capacity to meet the water discharge requirement.
As an implementation of this embodiment, the innermost circumference of the drain opening 504 is inscribed within the outermost circumference of the water collection tank 502. Thus, the drain opening 504 can drain water quickly, and water accumulated in the water collection tub 502 can be reduced.
As shown in fig. 6, the outermost circumference of the water collection tank 502 is R0, the innermost circumference of the water discharge opening 504 is R1, and the R0 and the R1 are inscribed.
As an embodiment of this embodiment, the drainage openings 504 include at least two drainage openings, which are respectively disposed in the water collection tank 502 to better satisfy the drainage requirement of the water collection device 500, and the innermost circumferences of the drainage openings 504 are all located in the outermost circumference of the water collection tank 502, so that each drainage opening 504 can drain water quickly, and the accumulated water in the water collection tank 502 is greatly reduced.
Preferably, the innermost circumference of the at least one drain opening 504 is inscribed within the outermost circumference of the water collection sump 502. It is further preferred that the innermost circumference of all the drain openings 504 is inscribed within the outermost circumference of the water collection tank 502.
As an implementation manner of this embodiment, the depth of the water collection tank 502 in the vertical direction is set in a transition from high to low, a plurality of the water discharge openings 504 are distributed in the water collection tank 502 and located at a position below the highest water level, and at least one water discharge opening 504 is located at the lowest water level position in the water collection tank 502.
Further, the drain opening 504 includes a first drain opening disposed at a lowest water level position in the water collection tank 502 and a second drain opening disposed at a position between a highest water level and a lowest water level position in the water collection tank 502; the innermost circumferences of the first and second water discharge ports are inscribed with the outermost circumference of the water collection tank, respectively.
Preferably, the water collecting tank 502 is circumferentially arranged along the bottom wall of the water collecting cavity 503, the depth of the water collecting tank 502 in the vertical direction is set in a transition from high to low in a clockwise or counterclockwise direction, the first drainage port and the second drainage port are respectively arranged in the water collecting tank 502, and an included angle a between the first drainage port and the second drainage port satisfies: a is more than or equal to 90 degrees and less than or equal to 180 degrees; preferably, said a =180 °.
Specifically, the bottom wall of the water collecting cavity 503 of the present embodiment includes a base 505 disposed flush with the whole body and an annular water collecting groove 502 disposed around the periphery of the base 505, the water outlet 504 is disposed in the annular water collecting groove 502, one side of the innermost circumference of the water outlet 504 is tangent to the outermost circumference of the annular water collecting groove 502, and the other side of the innermost circumference of the water outlet 504 opposite to the outermost circumference is expanded toward the body 505.
EXAMPLE five
As shown in fig. 2, 8-10, the washing machine of the present embodiment comprises a washing tub 200 for holding water during washing and a water collecting device 50 for collecting water discharged from the washing tub 200, wherein the water collecting device 500 comprises a water collecting chamber 503 and a water discharge opening 504 communicated with the water collecting chamber 503, and the water discharge opening 504 comprises a plurality of water discharge requirements for preventing the water collecting device 500 from overflowing.
The washing tub 200 of the washing machine of the present embodiment is used as a water tub, and no outer tub is provided outside the washing tub 200, but the present embodiment is provided with the water collecting device 500 only at the bottom of the washing tub 200, so that the washing water of the washing tub is discharged to the water collecting device 500 and then discharged, and thus the water collecting device 500 has the water collecting chamber 503 to realize the function of temporarily storing water, and the water outlet 504 of the present embodiment includes a plurality of water outlets, which can increase the water discharge amount per unit time of the water collecting device 500, realize quick water discharge, reduce the accumulated water in the water collecting tank, and prevent the water collecting device 500 from overflowing.
Specifically, as an implementation manner of this embodiment, a bottom wall of the water collecting cavity 503 is provided with a concave water collecting tank 502, and the water discharge opening 504 includes at least two water discharge openings, which are respectively disposed in the water collecting tank 502. Because the position of the water collecting tank 502 is lower, the two water outlets are arranged in the water collecting tank, and the requirement of water drainage can be better met.
Further, the depth of the water collection tank 502 in the vertical direction is set to be in transition from high to low, so that the water flow can be better guided to be discharged, the plurality of water outlets 504 are distributed in the water collection tank 502 and located at the position below the highest water level, and at least one water outlet 504 is arranged at the position of the lowest water level in the water collection tank, so that the water in the water collection tank 502 can be completely drained.
As an embodiment of this embodiment, the drain port includes a first drain port 5041 and a second drain port 5042, the first drain port 5041 is disposed at a lowest water level position in the water collection sump 502, and the second drain port 5042 is disposed at a position between a highest water level and a lowest water level position in the water collection sump 502. Although the drainage requirements can be better met by arranging the drainage openings as many as possible, the processing and manufacturing of the water collecting device 500 and the overall strength of the water collecting device are affected.
In this embodiment, the first drain port 5041 is connected to the first drain pipe 701, the second drain port 5042 is connected to the second drain pipe 702, the first drain pipe 701 and the second drain pipe 702 are connected to a tee 704, the tee 704 is connected to the third drain pipe 703, and the third drain pipe 703 is connected to the outside of the casing 100 of the washing machine.
Further, the water collection tank 502 is circumferentially arranged along the bottom wall of the water collection cavity 503, the depth of the water collection tank 502 in the vertical direction is set in a transition from high to low in a clockwise or counterclockwise direction, the first water discharge port 5041 and the second water discharge port 5042 are respectively arranged in the water collection tank, and an included angle a between the first water discharge port 5041 and the second water discharge port 5042 satisfies: a is more than or equal to 90 degrees and less than or equal to 180 degrees; thus, water can be simultaneously drained in two areas which are as far away as possible in the water collecting cavity 503, and the drainage pressure of the other drainage port is reduced.
Preferably, a =180 ° can achieve simultaneous drainage in two opposite areas of the water collecting cavity 503, and reduce the drainage pressure of the water outlets.
Preferably, the innermost circumferences of the plurality of water discharge openings are all positioned in the outermost circumference of the water collection tank;
preferably, the innermost circumference of the at least one drain opening is inscribed within the outermost circumference of the water collection sump;
further preferably, the innermost circumferences of the first and second drain openings are inscribed in the outermost circumference of the water collection sump, respectively.
In one embodiment of this embodiment, the diameters of the plurality of water outlets are the same or different;
preferably, the caliber of the water outlet is increased along with the increase of the height of the water level in the water collecting cavity.
EXAMPLE six
As shown in fig. 2, 11-13, the washing machine of the present embodiment comprises a washing tub 200 for holding water during washing and a water collecting device 500 for collecting water discharged from the washing tub, wherein the water collecting device 500 comprises a water collecting chamber 503, a water overflow structure 510 is disposed on a side wall of the water collecting chamber 503, and the water overflow structure 510 comprises a water overflow opening 509 for discharging water overflowing from the water collecting chamber.
The washing tub 200 of the washing machine of this embodiment is used as a water tub, no outer tub is provided outside the washing tub 200, the water collecting device 500 is provided only at the bottom of the washing tub 200 in this embodiment, so that the washing water of the washing tub is drained to the water collecting device 500, and then the water collecting device 500 has a water collecting chamber 503 to achieve the temporary water storing function, and an overflow structure 510 is provided on the sidewall of the water collecting chamber 503 in this embodiment, when the water collected in the water collecting chamber 503 reaches the overflow structure 510, the water collected in the water collecting chamber 503 is drained through an overflow port 509 of the overflow structure 510, thereby preventing the water collected in the water collecting device 500 from overflowing from the water collecting chamber 503.
The overflow structure 510 of the present embodiment includes an overflow chamber disposed on the upper sidewall of the water collecting chamber 503, and the overflow vent 509 is disposed on the bottom wall of the overflow chamber. When the accumulated water in the water collecting cavity 503 reaches the overflow structure 510, the accumulated water in the water collecting cavity 503 enters the overflow cavity of the overflow structure 510 and is directly discharged through the overflow port 509, so that the accumulated water in the water collecting cavity 503 is reduced, and the overflow phenomenon of the water collecting cavity 503 is prevented.
As shown in fig. 11 and 12, in one embodiment of the present embodiment, the overflow chamber is formed by partially expanding an upper sidewall of the water collecting chamber.
As shown in fig. 13, in the present embodiment, an overflow ring 511 is disposed on an outer wall of the water collecting cavity 503, the overflow ring 511 has the overflow cavity therein, the overflow gap 509 is opened at a bottom of the overflow ring 511 and is communicated with the overflow cavity, and the overflow water in the water collecting cavity 503 overflows into the overflow cavity in the overflow ring 511 through the water collecting cavity wall and is discharged through the overflow gap 509.
Further, the water collecting device 500 has a water collecting cavity opening, and the water collecting ring 511 is an annular body with an annular opening at the upper end, and the annular body is hermetically installed on the outer wall of the water collecting cavity 503 and close to the water collecting cavity opening.
In an embodiment of this embodiment, the bottom of the overflow chamber 503 is arranged to transition from high to low, and the overflow gap 509 is arranged at the lowest water level position of the bottom of the overflow chamber 503.
As shown in fig. 12, the overflow port 509 of the present embodiment is connected to an overflow pipe 705, the overflow pipe 705 is directly led out to the outside of the washing machine body, and a drain pipe connected to a drain port is also separately extended to the outside of the washing machine body.
Alternatively, as shown in fig. 11, a water outlet 504 is arranged in the water collecting cavity 503, the water outlet 504 is connected with a water discharge pipe, the overflow port 509 is connected with an overflow pipe, and the overflow pipe is communicated with the water discharge pipe.
Specifically, the drainage pipes include a first drainage pipe 701 and a second drainage pipe, one end of the first drainage pipe 701 is communicated with the drainage port 504, and the other end is communicated with a tee 704; one end of the overflow pipe 705 is communicated with an overflow port 509, and the other end is communicated with a tee 704; one end of the second water drain pipe is communicated with the tee joint 704, and the other end of the second water drain pipe is led out of the washing machine body; preferably, the first drain pipe, the second drain pipe and the overflow pipe are all straight pipelines.
The above embodiments can be implemented individually, or combined with each other to form a new technical solution to solve a plurality of corresponding technical problems at the same time.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The water draining control method for washing machine includes washing tub for holding water and water collector for collecting water drained from the washing tub; the drainage control method comprises the following steps: in the drainage process of the washing machine, if the water level detected by the water collecting level detection device reaches a preset safe water level, the drainage is suspended;
a water outlet is formed in the bottom of the washing barrel, a water collecting device is arranged in the water collecting device and comprises a valve plug, and the valve plug moves up and down to open/close the water outlet of the washing barrel;
the water level detection device catchments is pressure sensor, pressure sensor sets up carries out water level detection at the top of valve plug:
when the washing machine controls the valve plug to move upwards to close the water outlet of the washing barrel, the pressure sensor is used for detecting the water level in the washing barrel; the washing machine controls the valve plug to move downwards to open the water outlet of the washing barrel, the valve plug is retracted into the water collecting device, and the pressure sensor is used for detecting the water level in the water collecting device.
2. The drain control method of a washing machine according to claim 1, wherein the control method includes: in the drainage process of the washing machine, if the water level detected by the water collecting level detection device reaches the preset safe water level, the valve plug is controlled to move upwards to close the drainage port of the washing barrel, and the drainage process is suspended.
3. A drainage control method of a washing machine as claimed in claim 1 or 2, wherein the washing machine sets a drainage pause time interval T0, and when the drainage pause time reaches the drainage pause time interval T0, determines whether the water level in the water collecting device is less than a preset safe water level, if so, restarts drainage, and if not, pauses drainage to continue the next drainage pause time interval T0; wherein, the time interval T0 of the suspended drainage is a set value.
4. The drainage control method of a washing machine as claimed in claim 1 or 2, wherein the washing machine stops drainage and gives an alarm when the water level in the water collection device is still at the preset safe water level after performing the N times of pause drainage time interval T0.
5. A drainage control method of a washing machine as claimed in claim 1 or 2, wherein the washing machine presets a minimum drainage level, and during the drainage suspension, when the water level detected by the water collection level detection means reaches the minimum drainage level, the drainage is restarted.
6. The drain control method of a washing machine according to claim 5, wherein the washing machine presets a maximum pause drain time, and stops draining and alarms when the pause drain time reaches the maximum pause drain time.
7. The drain control method of a washing machine according to claim 5, wherein a washing water level detection device for detecting a water level in the washing tub is provided in the washing tub, the washing machine includes a main control unit, and the washing water level detection device and the water level detection device are electrically connected to the main control unit, respectively.
8. A washing machine adopting the drain control method according to any one of claims 1 to 7,
the water level detection device is electrically connected with the main control unit.
9. The washing machine as claimed in claim 8, wherein the water collecting device has an open water collecting cavity therein, a water collecting chute is formed on the bottom wall of the water collecting cavity, and the water collecting level detecting device is arranged in the water collecting chute; the washing machine is characterized in that a washing water level detection device for detecting the water level in the washing barrel is arranged in the washing barrel, and the washing water level detection device and the water collection level detection device are respectively and electrically connected with the main control unit.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146786.6A CN110144697B (en) | 2018-02-12 | 2018-02-12 | Drainage control method of washing machine |
| PCT/CN2019/074327 WO2019154297A1 (en) | 2018-02-12 | 2019-02-01 | Washing machine control method |
| JP2020543048A JP7083032B2 (en) | 2018-02-12 | 2019-02-01 | Washing machine control method |
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| CN201810146786.6A CN110144697B (en) | 2018-02-12 | 2018-02-12 | Drainage control method of washing machine |
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| CN110144697B true CN110144697B (en) | 2023-03-14 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111560750B (en) * | 2019-01-25 | 2023-08-01 | 青岛海尔洗衣机有限公司 | Washing machine drainage control method and washing machine |
| CN110565319B (en) * | 2019-09-10 | 2021-05-25 | 无锡小天鹅电器有限公司 | Clothes treating apparatus |
| CN112538718A (en) * | 2019-09-23 | 2021-03-23 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
| CN113136688B (en) * | 2020-01-17 | 2024-01-12 | 佛山市顺德海尔电器有限公司 | Washing machine and control method thereof |
| CN113136687B (en) * | 2020-01-17 | 2024-03-08 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
| CN113944032B (en) * | 2020-07-16 | 2023-06-16 | 青岛海尔洗衣机有限公司 | Method for operating a washing machine and washing machine |
| CN113944031A (en) * | 2020-07-16 | 2022-01-18 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
| CN114561780A (en) * | 2020-11-13 | 2022-05-31 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN114808364B (en) * | 2021-01-22 | 2023-11-24 | 无锡小天鹅电器有限公司 | Laundry treating apparatus, control method thereof, and storage medium |
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Effective date of registration: 20230203 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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