CN111850993A - Washing and drying integrated machine and method for automatically cleaning thread scraps - Google Patents
Washing and drying integrated machine and method for automatically cleaning thread scraps Download PDFInfo
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- CN111850993A CN111850993A CN201910340465.4A CN201910340465A CN111850993A CN 111850993 A CN111850993 A CN 111850993A CN 201910340465 A CN201910340465 A CN 201910340465A CN 111850993 A CN111850993 A CN 111850993A
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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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/22—Lint collecting arrangements
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Abstract
The invention discloses a washing and drying integrated machine and a method for automatically cleaning thread scraps, wherein the washing and drying integrated machine comprises an outer barrel and a drying component, an air outlet communicated with a drying air duct is formed in the outer barrel, and a filter screen for filtering air flowing through the air outlet is arranged at the air outlet; the distance of the lowest position of the air outlet and the lowest position of the inner wall of the outer barrel in the up-down direction is L, the diameter of the outer barrel is D, L: d is 0 to 0.15. The position through setting up the air outlet is lower to set up the filter screen in air outlet department, under the laundry state, the filter screen is soaked in the washing water, perhaps the washing water liquid level is close to the filter screen, make rivers can reach the filter screen in the washing process, wash the line bits on the filter screen, and realize soaking or rivers impact to the long-time of filter screen in the washing process, realize automatic clearance, reduce user's work load, be favorable to the clean of filter screen line bits clearance.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly provides a washing and drying integrated machine and a method for automatically cleaning thread scraps.
Background
With the development of science and technology and the improvement of economic level, more and more users begin to pay attention to and select the drum type washing and drying all-in-one machine. During the line bits of clothing all can be taken to stoving wind channel and heat exchanger by the wind that drying fan produced in the stoving process inner tube, piling up of line bits makes the amount of wind in stoving wind channel reduce, and heat exchanger's exchange efficiency reduces equally to reduce drying efficiency, just need the extension stoving time, increase the stoving energy consumption.
The mode of treating the thread scraps in the drying system by the washing and drying integrated machine in the market at present is mainly that a filter screen is arranged in a drying air duct and is cleaned regularly by a user; the method has the disadvantages that the workload of a user is increased, and if the user does not have the habit of cleaning the filter screen regularly, the drying effect is not ideal and the service life of the product is influenced. Therefore, the technology capable of automatically cleaning the thread scraps appears, a spraying structure for spraying the filter screen is arranged, the filter screen is automatically washed in a period of time before the drying process is finished, and the function of automatically cleaning the thread scraps on the filter screen is achieved; however, the damp and hot thread scraps are very easy to adhere to the surface of an object and have strong adhesive force, a good washing effect cannot be obtained only by water flow passing through the electromagnetic valve, and the actual thread scrap cleaning effect is not ideal.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
The invention provides a washing and drying integrated machine aiming at the problems in the prior art, wherein the position of an air outlet on an outer barrel is lower, and a filter screen is arranged at the air outlet, so that washing water can reach the filter screen, thread scraps on the filter screen can be automatically cleaned, the workload of a user is reduced, and the washing and drying integrated machine is clean.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a washer dryer all-in-one machine comprising:
an outer tub for holding washing water;
an inner tub for placing laundry, the inner tub being rotatably provided in the outer tub;
a drying air duct communicated with the inner space of the outer barrel to form a drying air path;
an air outlet connected with a drying air duct is formed in the outer barrel, and a filter screen for filtering air flowing through the air outlet is arranged at the air outlet; the least significant of air outlet with the distance that the minimum of urceolus inner wall was in the upper and lower direction is L, the diameter of urceolus is D, L: d is 0 to 0.15.
Further, the lowest water level in the outer barrel is not lower than the horizontal plane where the lowest position of the air outlet is located.
Further, the distance between the lowest water level in the outer barrel and the horizontal plane where the lowest position of the air outlet is located is set to be 0-5 mm.
Furthermore, an impact water channel for guiding water flow to impact the filter screen is arranged at the air outlet, and the filter screen is positioned in the impact water channel.
Furthermore, the filter screen is fixed on annular filtration support the inboard of strikeing the water course seted up with filter support assorted and hold the notch, filter the support and be located hold the notch in.
Furthermore, a positioning ring or a plurality of positioning columns which are circumferentially distributed and used for positioning the filtering support are arranged in the air inlet end of the drying air channel.
Furthermore, a plurality of positioning columns which are used for positioning the filtering support and are circumferentially distributed are arranged in the accommodating groove.
Further, in a washing state, a water flow sloshing flow path for cleaning thread scraps adhered on the filter screen is provided.
Furthermore, a first annular convex rib and a second annular convex rib which extend outwards are arranged on the outer side of the air inlet end of the drying air duct, and a limiting groove is formed between the first annular convex rib and the second annular convex rib; and an annular sealing rib is arranged on the outer side of the impact water channel, and the projection position of the second annular convex rib covers the annular sealing rib.
Further, the agitating program is to control the inner cylinder to accelerate to a set rotating speed and to rotate forward and backward alternately, and the set rotating speed is greater than 100 revolutions per minute.
Preferably, the set rotating speed is 100-140 revolutions per minute.
Preferably, the set rotating speed is 290-320 revolutions per minute.
Based on the washing and drying integrated machine, the invention also provides a method for automatically cleaning the thread scraps for the washing and drying integrated machine, so that the automatic cleaning of the thread scraps is realized, and the cleaning effect is ensured.
The method for automatically cleaning the thread scraps of the washing and drying integrated machine comprises the following steps:
a water flow agitating step, wherein the inner barrel is controlled to accelerate to a set rotating speed and rotate forward and backward alternately, and the set rotating speed is greater than 100 revolutions per minute; the thread scraps on the filter screen are washed away from the filter screen by strong water flow generated by repeated agitation.
Further, the set rotating speed is larger than 290 revolutions per minute.
Further, in the water flow surging step, the inner cylinder rotates forwards once and reverses once successively to form a group of surging, the first set time of the forward rotation of the inner cylinder in the group of surging is the same as the second set time of the reverse rotation, and the first set time of the forward rotation of the inner cylinder is 4-8S.
Preferably, the first set time for the inner cylinder to rotate forward is 4S to 6S.
More preferably, the first set time for the inner cylinder to rotate forward is 5S.
Further, in the water flow agitating step, 4-8 groups of agitation are continuously carried out.
Preferably, 4-6 groups of agitation are continuously performed.
More preferably, 5 groups of sloshing are continued.
Furthermore, a heat exchanger and a spraying structure for washing the heat exchanger are arranged in the drying air duct, and the method for automatically cleaning the thread scraps further comprises a spraying step of controlling the spraying structure to spray water, washing the thread scraps adhered to the heat exchanger, and enabling the thread scraps to flow into the outer barrel after passing through the drying air duct and the filter screen.
Further, the spraying step and the water flow agitating step are carried out simultaneously.
Further, the method for automatically cleaning the thread scraps further comprises a judging step, wherein in the washing state, whether a rinsing process exists in the current washing program is judged, if so, a water flow surging step is carried out when the distance between the end of one rinsing stage and the third set time is reached; if not, entering a water flow agitating step when the distance between the washing process and the end of the washing process is the fourth set time.
Further, it is preferable to set the water flow agitating step to be performed when the distance between the last rinsing stage and the end of the last rinsing stage is a third set time.
Compared with the prior art, the invention has the advantages and positive effects that: the position through setting up the air outlet on the urceolus is lower, and set up the filter screen in air outlet department, under the laundry state, the washing water can reach filter screen department, the filter screen is soaked in the washing water, perhaps the washing water liquid level is close to the filter screen, make rivers can reach the filter screen in the washing process, wash the line bits on the filter screen, be favorable to line bits on the filter screen to be taken away by rivers, and realize soaking or the rivers impact to the long-time of filter screen in the washing process, realize automatic clearance, reduce user's work load, be favorable to the clean of filter screen line bits clearance.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a washing and drying machine according to the present invention;
FIG. 2 is a schematic structural view of an outer tub and a drying duct of the washing machine;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2;
FIG. 4 is a cross-sectional view of the drying duct at the air outlet after installation;
FIG. 5 is an enlarged schematic view of region A in FIG. 4;
FIG. 6 is an enlarged schematic view of region E in FIG. 5;
FIG. 7 is a schematic view of gas flow in a drying state;
FIG. 8 is a still view after washing water is added in a washing state;
FIG. 9 is a view of the water stream impinging the strands on the screen of FIG. 8;
FIG. 10 is a schematic structural view of the outer tub in FIG. 2;
FIG. 11 is a front view of the outer barrel of FIG. 4;
FIG. 12 is a view of the structure at the air outlet of FIG. 11;
FIG. 13 is an enlarged view of the area B in FIG. 12;
FIG. 14 is a flow diagram of one embodiment of a method for automatically cleaning lint for an all-in-one washer dryer;
FIG. 15 is a first flow diagram of another embodiment of a method for automatically cleaning lint for an all-in-one washer dryer;
FIG. 16 is a second flow diagram of another embodiment of a method for automatically cleaning lint for a washer dryer;
FIG. 17 is a third flowchart of another embodiment of a method for automatically cleaning lint for an all-in-one washer dryer.
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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the positional relationships shown in the drawings, and the directions near the axis of the inner tube are "inner" and vice versa. The terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-13, in a structure of a washing and drying all-in-one machine in the present embodiment, for washing clothes and drying clothes, that is, having a washing state and a drying state, the washing and drying all-in-one machine 100 includes a box 10, an outer drum 20 disposed in the box, and an inner drum, wherein the outer drum 20 is used for containing washing water, the inner drum is used for containing clothes to be washed, and the inner drum 30 is rotatably disposed in the outer drum 20; in order to realize the function of drying clothes, the washing and drying all-in-one machine further comprises a drying air duct 40, a heat exchanger is arranged in the drying air duct 40, two ends of the drying air duct 40 are communicated with the inside of the outer barrel 20 to form a drying air duct, an air outlet 201 connected with the drying air duct 40 is formed in the outer barrel 20, and a filter screen 50 used for filtering air flowing through the air outlet 201 is arranged at the air outlet 201. Specifically, referring to fig. 3, the flow direction of the air in the washing and drying integrated machine in the drying state is described, the dried high-temperature air enters the inner drum 30 from the drying air duct 40 through the window gasket, the clothes in the inner drum 30 are dried, then the air enters between the inner drum and the outer drum through the holes on the inner drum 30 and reaches the air outlet 201, the thread scraps are filtered by the filter screen 50 and then enter the drying air duct 40 to exchange heat with the heat exchanger, the carried water is separated out, the air is reheated, and one cycle of the air is completed. After the drying process is finished, some of the thread scraps are filtered by the filter screen and attached to the filter screen, and some of the extremely fine thread scraps may be attached to the surface of the heat exchanger or the inner wall of the drying duct 40.
In order to automatically clean the filter screen 50, the air outlet 201 is arranged at a lower position, as shown in fig. 10; specifically, the distance in the up-down direction that sets up the lowest of air outlet 201 and the minimum of urceolus 20 inner wall is L, and the diameter of urceolus is D, L: d is 0 to 0.15. Preferably, L: d is 0.05-0.1, and the preferable ratio of L: d is 0.04-0.08, and preferably, L: d was 0.08. Under the laundry state, according to the position that the air outlet set up and the water level of intaking is different, the state that filter screen 50 was located is also different, but the relation between filter screen 50 and the washing liquid level, three promptly: the filter screen 50 is completely immersed in the washing water, the filter screen 50 is partially immersed in the washing water, and the filter screen 50 is positioned above the washing liquid level; referring to fig. 8, a dotted line C-C is a liquid level of the washing water, and when the filter screen 50 is completely or partially immersed in the washing water, the water flows through the filter screen 50 due to the stirring of the water flow and the forward and reverse rotation of the inner cylinder 30 during the washing process, and even though the thread scraps adhered to the filter screen 50 are attached, the thread scraps can be separated from the filter screen 50 under the impact of the water flow and the long-time soaking, so that the thread scraps can be automatically cleaned, and the workload of a user can be reduced. When the filter screen 50 is located above the washing liquid level, because the arrangement of L: d is 0 ~ 0.15, even L value is the maximum value, the filter screen 50 is also relatively nearer apart from the minimum of outer tube 20 inner wall, and the minimum water level under the laundry state is certainly near the minimum of wind gap 201, and under the laundry state, when inner tube 30 is just reversing, certainly there is rivers impact on filter screen 50, is favorable to normal laundry procedure to need about 1 hour, and the impact of long-time rivers to filter screen 50 can certainly reach better effect of clearing up the thread scraps. Referring to fig. 9, a dotted line D-D indicates a water flow which is impinged on the filter net 50, drops the lint 60 and the like adhered to the filter net 50 between the inner and outer cylinders, and can discharge the lint together in the water discharge step.
In this embodiment, the diameter of the outer cylinder is the diameter of the inner wall of the outer cylinder 20, and if the diameter D of the outer cylinder is 650mm, the distance L between the lowest position of the air outlet 201 and the lowest position of the inner wall of the outer cylinder 20 in the vertical direction is 0-97.5 mm, where L may be any value between 0 and 97.5 mm, including 0 and 97.5, for example, L is 60 mm, L is 55 mm, or L is 50 mm. That is, the air outlet 201 is disposed at a lower position. When the lowest water level or the first water level for washing is set, the lowest water level in the outer tub 20 can be set to be not lower than the lowest horizontal plane of the air outlet 201, so that the filter screen 50 can be impacted by the water flow stirred up when the washing is carried out at the lowest water temperature. The distance between the lowest water level in the outer barrel 20 and the horizontal plane where the lowest position of the air outlet 201 is located can also be set to be 0-5 mm, or the distance between the lowest water level in the outer barrel 20 and the position near the lowest position of the air outlet 201; even if the lowest water level in the outer cylinder 20 is set to be 5mm lower than the lowest position of the air outlet, when the inner cylinder 30 rotates forward and backward for washing, the stirred water flow can impact the filter screen 50.
The air outlet 201 is arranged on the rear end face behind the outer barrel and is specifically located on the lower side behind the outer barrel, the air outlet 201 is vertically arranged, and the axis of the air outlet 201 is parallel to the axis of the outer barrel 20, so that the arrangement of the drying air duct 40 is facilitated. Of course, in other embodiments, it is also contemplated that the air outlet is disposed in the axial direction of the outer cylinder 20, that is, the axis of the air outlet is located in the radial direction of the outer cylinder 20.
Referring to fig. 8 and 9, in order to increase the impact of the water flow on the filter screen, an impact water channel 202 is disposed at the air outlet 201 to guide the water flow to impact the filter screen 50, and the filter screen 50 is located in the impact water channel 202; the distance between the outer cylinder 20 and the inner cylinder 30 is small, the air outlet 201 is arranged at the lowest position close to the inner wall of the outer cylinder 20, and when the inner cylinder 30 rotates, particularly rotates at a high speed, water flow can be stirred to be lifted upwards; the impact water channel 202 is arranged to guide water flow into the impact water channel, and the water flow enters the impact water channel 202 and then impacts the filter screen 50 under the limit of the inner wall of the impact water channel 202; can move along the arc-shaped surface of the inner side of the impact water channel 202 in the impact water channel 202, so that the stirring impact effect of water flow is increased; and the water flow reaches the air inlet end 401 of the drying air duct 40 through the filter screen 50 and then flows back to the outer cylinder 20 in a whirling manner, so that impact water flow opposite to the air flow is formed, or water flow which is washed inwards from the outer side of the filter screen is formed, and the thread scraps of the filter screen 50 are adhered to the inner side, so that the thread scraps are favorably separated. The filter support 501 may be disposed at any position in the axial direction of the impact water channel 202, preferably at the air outlet end of the impact water channel 202, and the filter screen 50 is located at the end of the impact water channel 202 away from the inner barrel 30.
Referring to fig. 4 and 5, for the installation of the filter screen 50, the air inlet end 401 of the drying air duct 40 is hermetically connected with the air outlet 201, and the air inlet end 401 is wrapped and sealed outside the impact water channel 202; through setting up impact water course 202, be favorable to drying air duct 40 and air outlet 201's assembly and sealed. The air inlet end 401 of the drying air duct 40 is made of rubber, and the air inlet end 401 is fixed on the outer side of the impact water channel 202 through a pipe clamp. Be equipped with outside first annular rib 4012 and the annular rib 4013 of outside extension in the end 401 outside of intaking, first annular rib 4012 and the annular rib 4013 parallel arrangement of second, form between first annular rib 4012 and the annular rib 4013 and be used for injecing the limited groove 4011 of limit pipe strap. The filter screen 50 is fixed on the annular filter support 501, and when the filter screen is assembled, the filter support 501 is directly assembled, so that the assembly speed of the filter screen 50 mounted on the air outlet 201 is improved. An accommodating groove 2021 matched with the filtering bracket 501 is formed in the inner side of the impact water channel 202, and the filtering bracket 501 is positioned in the accommodating groove 2021; the installation and positioning of the filter support 501 are facilitated, the stability after assembly is improved, and the filter support is convenient to disassemble. Referring to fig. 13, a plurality of positioning posts 2023 are axially disposed at an end of the receiving slot 2021 away from the inner cylinder 30 for fixing the filter holder 501. An annular sealing rib 2022 is arranged on the outer side of the impact water channel 202 and used for positioning a sealing element between the air inlet end 401 and the air outlet 201 to ensure the sealing performance after installation. The projection position of the second annular convex rib 4013 covers the annular sealing rib 2022, which is favorable for the firmness and the sealing connection after the air inlet end 401 of the drying air duct 40 is installed.
In other embodiments, a positioning ring or a plurality of positioning columns circumferentially distributed for positioning the filtering bracket 501 may be disposed in the air inlet 401 to stop and position the filtering bracket 501, so as to ensure the stability of the filtering bracket 501 after the air inlet 401 of the drying air duct 40 is hermetically connected to the air outlet 201.
In order to further increase the cleaning effect of the lint on the filter net 50, there is a water flow agitating flow for cleaning the lint adhered to the filter net 50 in the washing state, and referring to fig. 8, the impact of the lint on the filter net 50 in the water flow agitating step is shown. By controlling the rotation speed and time of the inner cylinder 30, a turbulent water flow is generated in the outer cylinder 20, the washing of the filter screen 50 by the water flow is increased, and the thread scraps cleaning effect is improved. The surging program is to control the inner cylinder 30 to accelerate to a set rotation speed, and the inner cylinder 30 rotates forward and backward alternately, that is, the inner cylinder 30 rotates forward and accelerates to the set rotation speed, after the inner cylinder rotates forward for a first set time, the inner cylinder 30 rotates backward and accelerates to the set rotation speed, and the inner cylinder rotates backward for a second set time, so as to complete a group of surging. The set rotating speed is greater than 100 revolutions per minute, the set rotating speed can be set to be 100-140 revolutions per minute, and in order to improve the agitating effect of the agitating water flow, the set rotating speed can be set to be higher, for example, the set rotating speed is 290-320 revolutions per minute. The first set time for setting the inner cylinder 30 to rotate forward is 4S to 8S, preferably 4S to 8S, and more preferably 5S. The first setting time of forward rotation and the second setting time of reverse rotation are set to be the same.
Referring to fig. 14, an embodiment of the method for automatically cleaning lint for the integrated washing and drying machine of the present embodiment is described, which includes the following steps:
and S10, a judging step, namely determining the time for starting the water flow agitating program according to the washing program.
Specifically, in a washing state, judging whether a rinsing process exists in the current washing program, if so, entering a water flow surging step when the distance between the end of one rinsing stage and the third set time is the third set time; if not, entering a water flow agitating step when the distance between the washing process and the end of the washing process is the fourth set time. Entering a water flow sloshing step at the end stage of the rinsing flow or the washing flow to thoroughly clean the thread scraps from the filter screen, so that the thread scraps can be prevented from being polluted by the clothes after being separated from the filter screen 50 and can be discharged along with the washing water as soon as possible; and prevent new thread scraps from adhering to the filter screen during the washing or rinsing process, so as to ensure the clean and thread scrap-free state of the filter screen 50 after the washing procedure is finished; the preparation is made for the next drying procedure, and the smooth drying is ensured. The third setting time is 1-10 min, preferably 2-5 min, preferably 4-8 min, and more preferably 3-4 min. The fourth setting time is 1-10 min, preferably 2-5 min, and more preferably 3-4 min.
The washing procedure can be carried out for a plurality of times of rinsing, and any one rinsing step can be selected to carry out a water flow agitating step; the lint on the filter net 50 is mainly the lint dried before the washing process, but the lint in the washing water may stick to the filter net during the washing process, so that it is preferable to perform the water flow agitating step in the last rinsing to ensure the cleanness of the filter net 50 after the washing is completed.
S20, a water flow agitating step, wherein the inner barrel 30 is controlled to accelerate to a set rotating speed and rotate forward and backward alternately, and the set rotating speed is more than 100 revolutions per minute; the thread scraps on the filter screen are washed away from the filter screen 50 by strong water flow generated by repeated agitation. The inner cylinder 30 is rotated in one forward rotation and in one reverse rotation successively to form one group of sloshing, and 4-8 groups of sloshing are continuously performed in the water flow sloshing step. The set rotating speed is greater than 100 revolutions per minute, the set rotating speed can be set to be 100-140 revolutions per minute, and in order to improve the agitating effect of the agitating water flow, the set rotating speed can be set to be higher, for example, the set rotating speed is 290-320 revolutions per minute. The first set time for setting the inner cylinder 30 to rotate forward is 4S to 8S, preferably 4S to 8S, and more preferably 5S. The first setting time of forward rotation and the second setting time of reverse rotation are set to be the same.
In another embodiment of the method for automatically cleaning thread scraps in a washing and drying integrated machine of the present embodiment, a heat exchanger and a spraying structure for washing the heat exchanger are disposed in the drying air duct 40, and although the filter screen 50 is disposed at the air inlet end 401 of the drying air duct 40, it is certain that extremely fine thread scraps and lint pass through the filter screen 50, which may adhere to the heat exchanger or the inner wall of the drying air duct 40, and especially adhere to the heat exchanger to affect the heat exchange during the drying process, thereby reducing the drying efficiency, so that the spraying structure is disposed to wash the heat exchanger and wash away the thread scraps.
The method for automatically cleaning the thread scraps of the washing and drying integrated machine further comprises a spraying step of controlling the spraying structure to spray water, washing the thread scraps adhered to the heat exchanger, and making the thread scraps flow into the outer barrel 20 after passing through the drying air duct and the filter screen. The spraying step may be performed simultaneously with the water flow agitating step, or may be provided before the water flow agitating step, or may be provided after the water flow agitating step.
Referring to fig. 15, a first method for automatically cleaning lint of a washing and drying integrated machine, referring to fig. 14, comprises the following steps:
and S10, a judging step, namely determining the time for starting the water flow agitating program according to the washing program.
Specifically, in a washing state, judging whether a rinsing process exists in the current washing program, if so, entering a water flow surging step when the distance between the end of one rinsing stage and the third set time is the third set time; if not, entering a water flow agitating step when the distance between the washing process and the end of the washing process is the fourth set time. Entering a water flow sloshing step at the end stage of the rinsing flow or the washing flow to thoroughly clean the thread scraps from the filter screen, so that the thread scraps can be prevented from being polluted by the clothes after being separated from the filter screen 50 and can be discharged along with the washing water as soon as possible; and prevent new thread scraps from adhering to the filter screen during the washing or rinsing process, so as to ensure the clean and thread scrap-free state of the filter screen 50 after the washing procedure is finished; the preparation is made for the next drying procedure, and the smooth drying is ensured. The third setting time is 1-10 min, preferably 2-5 min, preferably 4-8 min, and more preferably 3-4 min. The fourth setting time is 1-10 min, preferably 2-5 min, and more preferably 3-4 min.
S20, a water flow agitating step, wherein the inner barrel 30 is controlled to accelerate to a set rotating speed and rotate forward and backward alternately, and the set rotating speed is more than 100 revolutions per minute; the thread scraps on the filter screen are washed away from the filter screen 50 by strong water flow generated by repeated agitation. The inner cylinder 30 is rotated in one forward rotation and in one reverse rotation successively to form one group of sloshing, and 4-8 groups of sloshing are continuously performed in the water flow sloshing step. The set rotating speed is greater than 100 revolutions per minute, the set rotating speed can be set to be 100-140 revolutions per minute, and in order to improve the agitating effect of the agitating water flow, the set rotating speed can be set to be higher, for example, the set rotating speed is 290-320 revolutions per minute. The first set time for setting the inner cylinder 30 to rotate forward is 4S to 8S, preferably 4S to 8S, and more preferably 5S. The first setting time of forward rotation and the second setting time of reverse rotation are set to be the same.
When the water flow agitating step is started, the spraying structure is controlled to spray water, so that the thread scraps adhered to the heat exchanger are washed, and the thread scraps flow into the outer barrel 20 after passing through the drying air duct and the filter screen. The lint adhered to the heat exchanger is small, and can pass through the filter screen 50, and even if some lint is stopped at the filter screen 50, the lint can be flushed into the outer tub 20 by the water flow under the action of the sloshing water flow.
S30, continuing the washing or rinsing process before the water flow agitating step.
S40, a water drainage step, namely draining the washing water in the outer barrel 20, and draining the thread scraps in the washing water along with the washing water.
Referring to fig. 16, a second method for automatically cleaning lint of the washing and drying integrated machine includes the following steps:
and S10, a judging step, namely determining the time for starting the water flow agitating program according to the washing program.
Specifically, in a washing state, judging whether a rinsing process exists in the current washing program, if so, entering a water flow agitating step when the distance between the last rinsing stage and the last rinsing stage is a third set time; if not, entering a water flow agitating step when the distance between the washing process and the end of the washing process is the fourth set time. Entering a water flow sloshing step at the end stage of the rinsing flow or the washing flow to thoroughly clean the thread scraps from the filter screen, so that the thread scraps can be prevented from being polluted by the clothes after being separated from the filter screen 50 and can be discharged along with the washing water as soon as possible; and prevent new thread scraps from adhering to the filter screen during the washing or rinsing process, so as to ensure the clean and thread scrap-free state of the filter screen 50 after the washing procedure is finished; the preparation is made for the next drying procedure, and the smooth drying is ensured. The third set time is 1-12 min, preferably 4-10 min, preferably 6-8 min, and preferably 3-4 min. The fourth setting time is 1-12 min, the fourth setting time is preferably 4-10 min, and the more preferably fourth setting time is 6-8 min.
S20, a water flow agitating step, wherein the inner barrel 30 is controlled to accelerate to a set rotating speed and rotate forward and backward alternately, and the set rotating speed is more than 100 revolutions per minute; the thread scraps on the filter screen are washed away from the filter screen 50 by strong water flow generated by repeated agitation. The inner cylinder 30 is rotated in one forward rotation and in one reverse rotation successively to form one group of sloshing, and 4-8 groups of sloshing are continuously performed in the water flow sloshing step. The set rotating speed is greater than 100 revolutions per minute, the set rotating speed can be set to be 100-140 revolutions per minute, and in order to improve the agitating effect of the agitating water flow, the set rotating speed can be set to be higher, for example, the set rotating speed is 290-320 revolutions per minute. The first set time for setting the inner cylinder 30 to rotate forward is 4S to 8S, preferably 4S to 8S, and more preferably 5S. The first setting time of forward rotation and the second setting time of reverse rotation are set to be the same.
And S21, when the step S20 is finished or is about to be finished, starting a spraying step, controlling a spraying structure to spray water, washing the thread scraps adhered to the heat exchanger, and flowing into the outer barrel 20 after passing through the drying air duct and the filter screen.
And S30, a water drainage step, namely draining the washing water in the outer barrel 20, and draining the thread scraps in the washing water along with the washing water.
Referring to fig. 17, a third method for automatically cleaning lint of the washing and drying integrated machine includes the following steps:
and S10, a judging step, namely determining the time for starting the water flow agitating program according to the washing program.
Specifically, in a washing state, judging whether a rinsing process exists in the current washing program, if so, entering a water flow agitating step when the distance between the last rinsing stage and the last rinsing stage is a third set time; if not, entering a water flow agitating step when the distance between the washing process and the end of the washing process is the fourth set time. Entering a water flow sloshing step at the end stage of the rinsing flow or the washing flow to thoroughly clean the thread scraps from the filter screen, so that the thread scraps can be prevented from being polluted by the clothes after being separated from the filter screen 50 and can be discharged along with the washing water as soon as possible; and prevent new thread scraps from adhering to the filter screen during the washing or rinsing process, so as to ensure the clean and thread scrap-free state of the filter screen 50 after the washing procedure is finished; the preparation is made for the next drying procedure, and the smooth drying is ensured. The third setting time is 1-10 min, preferably 2-5 min, preferably 4-8 min, and more preferably 3-4 min. The fourth setting time is 1-10 min, preferably 2-5 min, and more preferably 3-4 min.
And S19, starting a spraying step, wherein the spraying step is started before the water flow agitating step, the water flow controls the spraying structure to spray water, so that the thread scraps adhered to the heat exchanger are washed, and the thread scraps flow into the outer barrel 20 after passing through the drying air duct and the filter screen. The lint adhered to the heat exchanger is small, and can pass through the filter screen 50, even if some lint is stopped at the filter screen 50, in the next water flow agitating step, the lint can be flushed into the outer tub 20 by the water flow under the action of the agitated water flow.
S20, a water flow agitating step, wherein the inner barrel 30 is controlled to accelerate to a set rotating speed and rotate forward and backward alternately, and the set rotating speed is more than 100 revolutions per minute; the thread scraps on the filter screen are washed away from the filter screen 50 by strong water flow generated by repeated agitation. The inner cylinder 30 is rotated in one forward rotation and in one reverse rotation successively to form one group of sloshing, and 4-8 groups of sloshing are continuously performed in the water flow sloshing step. The set rotating speed is greater than 100 revolutions per minute, the set rotating speed can be set to be 100-140 revolutions per minute, and in order to improve the agitating effect of the agitating water flow, the set rotating speed can be set to be higher, for example, the set rotating speed is 290-320 revolutions per minute. The first set time for setting the inner cylinder 30 to rotate forward is 4S to 8S, preferably 4S to 8S, and more preferably 5S. The first setting time of forward rotation and the second setting time of reverse rotation are set to be the same.
And S30, a water drainage step, namely draining the washing water in the outer barrel 20, and draining the thread scraps in the washing water along with the washing water.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A washing and drying integrated machine is characterized by comprising:
the drying assembly comprises a heating assembly, a fan and a drying air channel;
the outer barrel is provided with an air outlet communicated with the drying air duct, and a filter screen for filtering air flowing through the air outlet is arranged at the air outlet;
the least significant of air outlet with the distance that the minimum of urceolus inner wall was in the upper and lower direction is L, the internal diameter of urceolus is D, L: d is 0 to 0.15.
2. The washing and drying machine as claimed in claim 1, wherein L: d is 0.05 to 0.1.
3. The washing and drying integrated machine according to claim 1, wherein the outer barrel comprises a front outer barrel and a rear outer barrel, and the air outlet is arranged below the rear side of the outer barrel.
4. The washing and drying integrated machine according to claim 1, wherein an impact water channel for guiding water flow to impact the filter screen is arranged at the air outlet, and the filter screen is positioned in the impact water channel.
5. The washing and drying integrated machine according to claim 3, wherein the filter screen is fixed on an annular filter support, an accommodating notch matched with the filter support is formed in the air outlet end of the impact water channel, and the filter support is located in the accommodating notch.
6. The washing and drying integrated machine according to claim 4, wherein a first annular rib and a second annular rib which extend outwards are arranged on the outer side of the air inlet end of the drying air duct, and a limiting groove is formed between the first annular rib and the second annular rib; and an annular sealing rib is arranged on the outer side of the impact water channel, and the projection position of the second annular convex rib covers the annular sealing rib.
7. A method of automatically cleaning lint using the washer dryer of any of claims 1 to 6, the washer dryer comprising an inner drum nested within an outer drum, the method comprising:
A water flow agitating step, wherein the inner barrel is controlled to accelerate to a set rotating speed and rotate forward and backward alternately, and the set rotating speed is greater than 100 revolutions per minute; the thread scraps on the filter screen are washed away from the filter screen by strong water flow generated by repeated agitation.
8. The method as claimed in claim 7, wherein in the water flow sloshing step, the inner cylinder rotates forward once and rotates backward once in succession to form a group of sloshing, a first set time of the inner cylinder rotating forward in the group of sloshing is the same as a second set time of the inner cylinder rotating backward, and the first set time of the inner cylinder rotating forward is 4S-8S.
9. The method as claimed in claim 7, wherein a heat exchanger and a spraying structure for washing the heat exchanger are provided in the drying air duct, and the method for automatically cleaning the thread scraps further comprises a spraying step of controlling the spraying structure to spray water, washing the thread scraps adhered to the heat exchanger, passing through the drying air duct and the filter screen, and flowing into the outer tub.
10. The method according to any one of claims 7 to 9, wherein the method for automatically cleaning lint further comprises a judging step of judging whether a rinsing process is performed in the current washing program in a washing state, if so, entering a water flow agitating step when a distance between a rinsing stage and an end of a rinsing stage is a third set time; if not, entering a water flow agitating step when the distance between the washing process and the end of the washing process is the fourth set time.
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| CN201910340465.4A CN111850993A (en) | 2019-04-25 | 2019-04-25 | Washing and drying integrated machine and method for automatically cleaning thread scraps |
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Application publication date: 20201030 |