CN111676669A - Washing equipment and control method - Google Patents
Washing equipment and control method Download PDFInfo
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- CN111676669A CN111676669A CN202010392237.4A CN202010392237A CN111676669A CN 111676669 A CN111676669 A CN 111676669A CN 202010392237 A CN202010392237 A CN 202010392237A CN 111676669 A CN111676669 A CN 111676669A
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- filter
- washing
- return pipe
- water
- circulating 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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- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
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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
- D06F39/081—Safety arrangements for preventing water damage
- D06F39/082—Safety arrangements for preventing water damage detecting faulty draining operations, e.g. filter blockage, faulty pump
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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
- D06F39/10—Filtering arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/58—Indications or alarms to the control system or to the user
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/58—Indications or alarms to the control system or to the user
- D06F2105/60—Audible signals
Abstract
The invention belongs to the field of washing equipment, and particularly discloses washing equipment and a control method, wherein the washing equipment comprises: a washing tub for treating laundry; the first circulating pipeline comprises a first circulating water outlet pipe and a first circulating water return pipe, and a filtering device is arranged between the first circulating water outlet pipe and the first circulating water return pipe; washing water/rinsing water in the washing barrel flows out of the washing barrel through a first circulating water outlet pipe, is filtered by the filtering device and then flows back through a first circulating water return pipe; and the water in the washing barrel is filtered by the filtering device and then is discharged outside by the water drainage pipeline.
Description
Technical Field
The invention belongs to the field of washing equipment, and particularly relates to washing equipment and a control method.
Background
The drum washing machine has become a preferred washing machine for more and more users by virtue of the advantages of water and energy saving, small damage to clothes and the like, but due to the limitation of the washing mode, a plurality of problems still exist, such as that during washing, articles such as toilet paper and the like leave pockets, pet hair is adhered to the clothes, or due to the problem of the material of the clothes, the washing machine can cause that the hair scraps are remained after the black and other dark clothes are washed, and the washing experience of the users is influenced.
On the other hand, in order to save water, the existing washing machine is improved and adopts a circulating spray washing mode, the washing machine comprises a circulating water path, a water filtering device is arranged on the circulating water path, and washing water enters a water containing barrel for washing after being filtered by the water filtering device, so that the water is saved. However, when the water is discharged, impurities and the like enter the drain pipe without being filtered, and the impurities and the like can block the drain valve, so that the drainage effect is influenced.
The present invention has been made in view of the above circumstances.
Disclosure of Invention
The invention aims to provide a washing device capable of filtering circulating washing water and external drainage water simultaneously, and the washing device can prevent impurities and the like from blocking a drainage valve while ensuring the cleanliness of the circulating washing water.
In order to solve the above technical problem, the present invention provides a washing apparatus, comprising
A washing tub for treating laundry;
the first circulating pipeline comprises a first circulating water outlet pipe and a first circulating water return pipe, and a filtering device is arranged between the first circulating water outlet pipe and the first circulating water return pipe; washing water/rinsing water in the washing barrel flows out of the washing barrel through a first circulating water outlet pipe, is filtered by the filtering device and then flows back through a first circulating water return pipe;
and the water in the washing barrel is filtered by the filtering device and then is discharged outside by the water drainage pipeline.
Further optionally, a first filter screen is arranged at a part where the filtering device is communicated with the first circulating water return pipe, a second filter screen is arranged at a part where the drainage pipeline is communicated with the filtering device, and the mesh size of the first filter screen is smaller than that of the second filter screen.
Further optionally, the filtering device is a filter cartridge, one end of the filter cartridge is open, the other end of the filter cartridge is blocked, the first circulating water outlet pipe is communicated with the inside of the filter cartridge through the opening, and the first filter screen and the second filter screen are arranged on the wall of the filter cartridge; the first circulating water outlet pipe and the water discharge pipeline are respectively communicated with the interior of the filter cartridge through the first filter screen and the second filter screen.
Further optionally, the wall of the filter cartridge is composed of the first filter screen and the second filter screen, a part of the wall of the filter cartridge is located at the water inlet end of the first circulating water return pipe, and the other part of the wall of the filter cartridge is located at the water inlet end of the drainage pipeline;
the first filter screen is formed on the part of the cylinder wall of the filter cylinder communicated with the water inlet end of the first circulating water return pipe, and the second filter screen is formed on the other part of the cylinder wall of the filter cylinder communicated with the water inlet end of the first circulating water return pipe.
Further optionally, the position of the water outlet end of the drain pipeline on the wall of the filter cartridge is higher than the position of the water inlet end of the first circulating water return pipe on the wall of the filter cartridge; when the filter cylinder is installed in place on the washing barrel, the arrangement position of the second filter screen on the cylinder wall of the filter cylinder is higher than that of the second filter screen on the cylinder wall of the filter cylinder.
Further optionally, the washing apparatus includes a housing, the washing tub is disposed in the housing, the housing is provided with an installation opening, and the filtering device is detachably disposed at a position where the first circulation pipeline is opposite to the installation opening.
Further optionally, a screw cap is arranged at the plugging end of the filter cartridge, an external thread is arranged on the outer side edge of the screw cap, an internal thread matched with the external thread is arranged at the mounting port, and the screw cap is in threaded fit with the mounting port when the filter device is mounted in place on the first circulation pipeline.
Further optionally, a flow monitoring device is arranged on the first circulating water return pipe, and the flow monitoring device is used for acquiring a water outlet flow value of the first circulating water return pipe.
The invention also provides a control method of the washing equipment, which monitors the water outlet flow of the first circulating water return pipe and determines whether to clean the filtering device according to the monitoring result.
Further optionally, comprising:
in the process of circulating washing/rinsing, acquiring a water outlet flow value of a first circulating water return pipe;
judging whether the flow value of the first circulating water return pipe is smaller than a preset flow value or not; and if the current flow value is smaller than the preset flow value, cleaning the filtering device.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the washing equipment, the mesh aperture of the filter screen of the filter device measured on the first circulating water outlet pipe is set to be smaller than that of the filter screen on the side of the water outlet pipe, so that fine flocks can be effectively prevented from entering the first circulating water return pipeline and can be discharged through the water outlet pipeline.
2. According to the invention, the arrangement position of the first circulating water return pipe on the filtering device is set to be lower than the arrangement position of the drainage pipeline on the filtering device, so that the principle of wool flock floating can be utilized, the blocking of wool flock on the filter screen is reduced, and the wool flock can be conveniently drained from the drainage pipeline as soon as possible.
3. According to the invention, the blocking condition of the filtering device is determined by detecting the water outlet flow of the first circulating water outlet pipe, so that a user is timely reminded of cleaning the filtering device according to the detection result.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1: is a schematic structural view of a washing apparatus of embodiment 1 of the present invention.
FIG. 2: is a schematic structural diagram of a filtering device in embodiment 1 of the present invention.
FIG. 3: is a schematic structural diagram of a first filter screen and a second filter screen of the filter device in embodiment 1 of the present invention.
FIG. 4: is a control flow chart of the washing apparatus of embodiment 1 of the present invention.
FIG. 5: is a control flow chart of the washing apparatus of embodiment 2 of the present invention.
Wherein: 1. a housing; 2. an inner barrel; 3. an outer cylinder; 4. a first circulating water outlet pipe; 5. a first circulating water return pipe; 6. a drain line; 7. a filtration device; 8. a first circulation pump; 9. draining pump; 10. a second circulation line; 11. a second circulation pump; 12. a water inlet pipeline; 13. a third three-way valve; 14. a first three-way valve 15, a drain valve; 16. a second three-way valve; 51. a flow monitoring device; 52. a spraying device; 71. a first filter screen; 72. a second filter screen; 73. and (5) screwing a cover.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a washing device, as shown in fig. 1, which includes a washing tub for processing clothes, the washing tub is connected with a first circulation pipeline, the first circulation pipeline includes a first circulation water outlet pipe 4 and a first circulation water return pipe 5, and a filtering device 7 is disposed between the first circulation water outlet pipe 4 and the first circulation water return pipe 5; the first circulating pipeline is also provided with a first circulating pump 8, and the first circulating pump 8 is preferably arranged on the first circulating water return pipeline 5. This prevents impurities or lint in the washing tub from clogging the first circulation pump 8. Washing water/rinsing water in the washing barrel flows out of the washing barrel through a first circulating water outlet pipe 4, is filtered by a filtering device 7 and then flows back through a first circulating water return pipe 5; still include drain line 6 on the washtub, drain line 6 is linked together with filter equipment 7, and the water in the washtub is arranged by drain line 6 after filtering by filter equipment 7. When the washing barrel adopts an upper drainage mode to drain, a drainage pump 9 is also arranged on the drainage pipeline 6 and used for pumping water out of the barrel bottom. The washing barrel of the embodiment can be without an outer barrel 3, and can also be composed of an outer barrel 3 and an inner barrel 2 coaxially sleeved in the outer barrel 3. As shown in fig. 1, the washing tub of the present embodiment includes an outer tub 3 and an inner tub 2, and a first circulation outlet pipe 4 is communicated with a bottom of the outer tub 3.
The washing equipment of this embodiment sets up filter equipment 7 through, and filter equipment 7 communicates first circulation pipeline and drain line 6 respectively for no matter the water in the washing barrel need all filter through filter equipment 7 and just can circulate washing or arrange outward when still arranging outward at the circulation washing in-process, can effectively filter the impurity in the washing barrel, guarantees the cleanliness of circulation washing in-process normal water, and impurity or batting are blockked up the drain valve when avoiding simultaneously that the water is arranged outward.
Further alternatively, as shown in fig. 2 and 3, a portion of the filter device 7 communicating with the first circulating water return pipe 5 is provided with a first filter 71, a portion of the drain line 6 communicating with the filter device 7 is provided with a second filter 72, and a mesh size of the first filter 71 is smaller than a mesh size of the second filter 72. Because the water in the washing barrel finally returns from the first circulating water return pipe 5 after flowing out through the first circulating water outlet pipe 4 in the circulating washing process, the requirement on the cleanliness of the water in the circulating washing process is high so as to avoid secondary pollution to clothes, and therefore, fine impurities and lint need to be filtered; when the water in the washing barrel needs to be discharged outside, only larger impurities need to be filtered, and smaller impurities are discharged along with the water flow. The present embodiment can simultaneously satisfy the above-described requirements by setting the mesh size of the first filter 71 communicating with the first circulating water return pipe 5 smaller than the mesh size of the second filter 72 communicating with the drain line 6.
Specifically, the filter device 7 of the present embodiment is a filter cartridge.
One possible embodiment for the filter cartridge is: one end of the filter cartridge is opened, the other end is blocked, the first circulating water outlet pipe 4 is communicated with the interior of the filter cartridge through the opening, and the wall of the filter cartridge is provided with a first filter screen 71 and a second filter screen 72; the first circulating water outlet pipe 4 and the drain pipeline 6 are respectively communicated with the interior of the filter cylinder through a first filter screen 71 and a second filter screen 72. Preferably, the wall of the filter cartridge is composed of a first filter screen 71 and a second filter screen 72, one part of the wall of the filter cartridge is positioned at the water inlet end of the first circulating water return pipe 5, and the other part of the wall of the filter cartridge is positioned at the water inlet end of the drainage pipeline 6; the first filter screen 71 is formed at a portion where the wall of the filter cartridge communicates with the water inlet end of the first circulation water return pipe 5, and the second filter screen 72 is formed at another portion where the wall of the filter cartridge communicates with the water inlet end of the first circulation water return pipe 5.
Another way that can be implemented is: an opening is arranged on the wall of the filter cartridge, the first circulating water outlet pipe 4 is communicated with the inside of the filter cartridge through the opening, and a first filter screen 71 and a second filter screen 72 are respectively arranged at two ends of the filter cartridge; the first circulating water outlet pipe 4 and the drain pipeline 6 are respectively communicated with the interior of the filter cylinder through a first filter screen 71 and a second filter screen 72.
Further optionally, the position of the water outlet end of the water discharge pipeline 6 on the wall of the filter cartridge is higher than the position of the water inlet end of the first circulating water return pipe 5 on the wall of the filter cartridge; when the filter cartridge is mounted in place on the washing tub, the position of the second filter screen 72 on the wall of the filter cartridge is higher than the position of the second filter screen 72 on the wall of the filter cartridge. This embodiment utilizes the principle of flock come-up when designing the mounted position of drain pipe 6 and first circulation wet return 5 on the cartridge filter, the position of the end of intaking with drain pipe 6 on the cartridge filter is established to the position that is higher than first circulation wet return 5 and is held the position that sets up on the cartridge filter, the flock of come-up like this can be close to drain pipe 6 one side and dredged the filter screen along with the rivers outward arranging more, be close to 5 one side of first circulation wet return and played the effect of filtering the flock more densely filter screen, ensure to improve clean effect and can in time discharge the flock.
Further alternatively, the washing apparatus comprises a housing 1, the washing tub is disposed in the housing 1, the housing 1 has a mounting opening, and the filter device 7 is detachably disposed at a position of the first circulation line opposite to the mounting opening. Specifically, the plugging end of the filter cartridge is provided with a first connecting piece, the mounting port is provided with a second connecting piece matched with the connecting structure, and when the filtering device 7 is mounted in place in the shell 1, the first connecting piece is matched with the second connecting piece. The assembly mode between cartridge filter and the installing port can be connected through connection modes such as buckle or screw-thread fit. Preferably, the plugging end of the filter device 7 is provided with a screw cap 73, and the wall of the filter cartridge is connected with the screw cap 73. The outer edge of the screw cap 73 is provided with an external thread, the opening is provided with an external thread matched with the internal thread, and when the filter device 7 is installed in place on the first circulation pipeline, the screw cap 73 is in threaded fit with the opening. When the user needs to wash the filtering device 7, the rotary cover 73 can be rotated manually to rotate the filter cartridge out for cleaning, so that the filter screen can be cleaned in time by the user while the lint is effectively filtered.
Further optionally, a spraying device 52 is disposed at a water outlet end of the first circulating water return pipe 5, during the circulating washing/rinsing process, the first circulating pump 8 is turned on, the washing water flows into the first circulating water return pipe 5 through the first filter screen 71, and then the spraying device 52 sprays the clothes in the washing tub. The first circulating water return pipe 5 is further provided with a flow monitoring device 51, the flow monitoring device 51 is used for acquiring a water outlet flow value of the first circulating water return pipe 5, and whether the filtering device 7 needs to be cleaned is determined according to the acquired flow value.
The embodiment also provides a control method of the washing equipment, namely, the outlet water flow of the first circulating water return pipe 5 is detected, and whether the user is reminded to clean the filtering device is determined according to the monitoring result.
Further optionally, as shown in the control flow chart of fig. 3, the method includes:
in the circulating washing/rinsing process, acquiring a flow value of a first circulating water return pipe 5;
judging whether the flow value of the first circulating water return pipe 5 is smaller than a preset flow value or not; and if the current flow value is smaller than the preset flow value, reminding a user of cleaning the filtering device.
The method specifically comprises the following steps:
s1: starting a program;
s2: confirming whether the washing barrel is in a washing or rinsing stage, and if so, entering S3; if the judgment result is negative, the step is S6;
s3: and controlling the first circulating pump to be started, spraying and washing, and continuously detecting water flow.
S4: judging whether the circulating water flow is smaller than a preset flow value or not, and if so, entering S5; if the judgment result is negative, returning to the step S3;
s5: reminding the user to clean the filter screen, and entering S6;
s6: judging whether the washing barrel is in a drainage stage, if so, entering S7; if the judgment result is negative, the step is S8;
s7, turning off the first circulating pump and turning on the draining pump;
s8: and finishing the operation.
Further, the washing equipment of this embodiment still is equipped with the warning function, when the flow value that detects first circulation wet return 5 is less than preset flow value, reminds the user in time to clean the filter screen through modes such as pronunciation, buzzing warning tone, pilot lamp or display screen suggestion.
Example 2
As shown in fig. 5, in this embodiment, a second circulation pipeline 10 is added on the basis of embodiment 1, a water inlet end of the second circulation pipeline 10 is communicated with the first circulation water outlet pipeline 4, and a water outlet end of the second circulation pipeline 10 is communicated with the first circulation water return pipe 5. A first circulating pump is arranged on the first circulating water return pipe 5, and a second circulating pump 11 is arranged on the second circulating pipeline 10; the water inlet end of the second circulation pipeline 10 is communicated with the first circulation water outlet pipe 4 through a first three-way valve 14, the water outlet end of the second circulation pipeline 10 is communicated with the first circulation water return pipe 5 through a second three-way valve 16, and a drain valve 15 is arranged on the drain pipeline 6.
The second circulation pipeline 10 is further connected with a water inlet pipeline 12, the second circulation pump 11 is located between the water inlet pipeline 12 and the water outlet end of the second circulation pipeline 10, and the water inlet pipeline 12 is communicated with the second circulation pipeline 10 through a third three-way valve 13.
And when the current flow value is smaller than the preset flow value, cleaning the filtering device 7, and in the process of cleaning the filtering device 7, the purpose of cleaning the filtering device 7 can be achieved by backwashing the filtering device.
The implementation mode of the back washing is as follows: controlling the first three-way valve 14 to conduct the passage between the washing tub and the second circulation pipeline 10, and controlling the second three-way valve 16 to conduct the passage between the first circulation water return pipe 5 and the second circulation pipeline 10; controlling the drainage valve 15 to conduct the passage between the filtering device 7 and the drainage pipeline 6;
and controlling the second circulating pump 11 to start, and discharging water in the washing barrel through the water discharging pipeline 6 finally after the water flows through the second circulating pipeline 10, the first circulating water return pipe 5, the first circulating water discharging pipe 4 and the filtering device 7 in sequence.
The other backwashing implementation mode is as follows:
controlling the third three-way valve 13 to conduct the passage between the water inlet pipeline 12 and the second circulation pipeline 10; controlling a second three-way valve 16 to conduct the first circulation water return pipe 5 and a passage of a second circulation pipeline 10; controlling the drainage valve 15 to conduct the passage between the filtering device 7 and the drainage pipeline 6;
and controlling the second circulating pump 11 to start, and discharging water in the water inlet pipe through the water discharging pipeline 6 finally after the water in the water inlet pipe sequentially flows through the second circulating pipeline 10, the first circulating water return pipe 5, the first circulating water outlet pipe 4 and the filtering device 7.
The back washing method comprises the following steps of;
controlling the third three-way valve 13 to conduct the passage between the water inlet pipeline 12 and the second circulation pipeline 10; controlling a second three-way valve 16 to conduct a passage between the first circulating water return pipe 5 and the washing tub; controlling the drainage valve 15 to conduct the passage between the filtering device 7 and the drainage pipeline 6;
the water in the water inlet pipeline 12 passes through the washing barrel, the first circulating water outlet pipe 4 and the filtering device 7 in sequence and is finally discharged through the water discharge pipeline 6.
According to the invention, the second circulating pipeline 10 is arranged to realize back flushing of the cleaning device, impurities and flocks on the first filter screen of the filtering device 7 close to the first circulating water return pipe 5 are flushed clean, and the flushing water source can come from circulating water in the washing barrel or a clean water source in the water inlet pipeline 12. The washed fine impurities can be directly discharged outside through the drainage pipeline 6, so that automatic cleaning is realized, and the filtering device 7 does not need to be taken out of the shell.
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 (10)
1. A washing apparatus, comprising
A washing tub for treating laundry;
the first circulating pipeline comprises a first circulating water outlet pipe and a first circulating water return pipe, and a filtering device is arranged between the first circulating water outlet pipe and the first circulating water return pipe; washing water/rinsing water in the washing barrel flows out of the washing barrel through a first circulating water outlet pipe, is filtered by the filtering device and then flows back through a first circulating water return pipe;
and the water in the washing barrel is filtered by the filtering device and then is discharged outside by the water drainage pipeline.
2. The washing apparatus as claimed in claim 1, wherein a first filter is provided at a portion of the filtering means communicating with the first circulation water return pipe, and a second filter is provided at a portion of the drain line communicating with the filtering means, the first filter having a mesh size smaller than that of the second filter.
3. The washing equipment as claimed in claim 2, wherein said filtering device is a filter cartridge, one end of said filter cartridge is open, the other end is closed, said first circulating outlet pipe is connected with the inside of said filter cartridge through said opening, said first filter screen and said second filter screen are arranged on the wall of said filter cartridge; the first circulating water outlet pipe and the water discharge pipeline are respectively communicated with the interior of the filter cartridge through the first filter screen and the second filter screen.
4. The washing apparatus as claimed in claim 3, wherein the wall of the filter cartridge is composed of the first filter and the second filter, and one part of the wall of the filter cartridge is located at the water inlet end of the first circulation water return pipe, and the other part of the wall of the filter cartridge is located at the water inlet end of the drain pipeline;
the first filter screen is formed on the part of the cylinder wall of the filter cylinder communicated with the water inlet end of the first circulating water return pipe, and the second filter screen is formed on the other part of the cylinder wall of the filter cylinder communicated with the water inlet end of the first circulating water return pipe.
5. The washing apparatus as claimed in claim 3, wherein the outlet end of the drain line is disposed higher than the inlet end of the first circulating water return pipe; when the filter cylinder is installed in place on the washing barrel, the arrangement position of the second filter screen on the cylinder wall of the filter cylinder is higher than that of the second filter screen on the cylinder wall of the filter cylinder.
6. The washing apparatus as claimed in claim 3, wherein the washing apparatus comprises a housing, the washing tub is disposed in the housing, the housing defines a mounting opening, and the filtering device is detachably disposed at a position of the first circulation pipeline opposite to the mounting opening.
7. A washing apparatus according to claim 6, wherein the closed end of the filter cartridge is provided with a screw cap, the screw cap is provided with external threads on the outer side edge thereof, the mounting opening is provided with internal threads for engagement with the external threads, and the screw cap is in threaded engagement with the mounting opening when the filter device is in place on the first circulation line.
8. The washing apparatus as claimed in claim 1, wherein a flow monitoring device is disposed on the first recycling return pipe, and the flow monitoring device is used to obtain a flow value of outlet water from the first recycling return pipe.
9. A method for controlling a washing apparatus according to any one of claims 1 to 8, wherein the flow rate of the water from the first circulation return pipe is monitored, and whether the filter device is cleaned or not is determined based on the monitoring result.
10. The control method of a washing apparatus according to claim 9, comprising:
in the process of circulating washing/rinsing, acquiring a water outlet flow value of a first circulating water return pipe;
judging whether the flow value of the first circulating water return pipe is smaller than a preset flow value or not; and if the current flow value is smaller than the preset flow value, cleaning the filtering device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392237.4A CN111676669B (en) | 2020-05-11 | 2020-05-11 | Washing equipment and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392237.4A CN111676669B (en) | 2020-05-11 | 2020-05-11 | Washing equipment and control method |
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| CN111676669A true CN111676669A (en) | 2020-09-18 |
| CN111676669B CN111676669B (en) | 2021-07-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282270A (en) * | 2023-04-17 | 2023-06-23 | 东北石油大学 | Method and assembly for removing microplastic in water of washing machine and washing machine |
| WO2023128140A1 (en) * | 2021-12-31 | 2023-07-06 | 삼성전자주식회사 | Washing machine and clothing treatment apparatus |
| WO2023173979A1 (en) * | 2022-03-18 | 2023-09-21 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023128140A1 (en) * | 2021-12-31 | 2023-07-06 | 삼성전자주식회사 | Washing machine and clothing treatment apparatus |
| US11926953B2 (en) | 2021-12-31 | 2024-03-12 | Samsung Electronics Co., Ltd. | Washing machine and clothes treating apparatus |
| WO2023173979A1 (en) * | 2022-03-18 | 2023-09-21 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
| WO2023202233A1 (en) * | 2022-04-22 | 2023-10-26 | 重庆海尔滚筒洗衣机有限公司 | Washing machine control method and washing machine |
| CN116282270A (en) * | 2023-04-17 | 2023-06-23 | 东北石油大学 | Method and assembly for removing microplastic in water of washing machine and washing machine |
| CN116282270B (en) * | 2023-04-17 | 2023-12-08 | 东北石油大学 | Method and assembly for removing microplastic in water of washing machine and washing machine |
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