KR101476215B1 - Laundry machine - Google Patents

Abstract

The present invention relates to a washing machine comprising a tub for receiving washing water, a drum rotatably installed in the tub for receiving laundry, an exhaust duct for discharging air inside the tub, a heater for heating air discharged from the tub through the exhaust duct, A hot air supply device having a hot air supply duct for guiding the air heated by the heater to the turbine, a fan for introducing the air in the tub into the exhaust duct and moving the hot air supply duct to the hot air supply duct, And a filter cleaning unit disposed between the lint filter and the fan to jet wash water to the lint filter.

Description

{LAUNDRY MACHINE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine, and more particularly, to a washing machine having a filter washing section that can perform washing of a lint filter more efficiently.

Generally, a washing machine removes various contaminants such as laundry by using an emulsifying action, a pulsating action by a pulsator or a water stream due to rotation of a drum, and a shock acting on laundry.

In the automatic laundry machine, which is currently used in the board, a series of strokes leading to a washing course, a rinsing course, a dehydrating course and the like are automatically performed in the middle without user's operation, thereby facilitating the user's convenience.

In addition, the drying and washing apparatus can perform the function of the above-described washing apparatus and dry the laundry. Such a dry-type washing machine has a condensing type washing device for drawing air inside a tub, removing moisture in the air by condensed water, heating the same, and then introducing the heated air into the tub to remove water present in the laundry.

The condensing type washing machine may be classified into a drum type washing machine that rotates and tumbles a drying subject using a rotatable drum and a cabinet type washing machine that hangs a drying subject and dries the drying subject.

Korean Patent Application No. 10-2005-0127372 (the name of the invention: a drum washing machine and a method for shortening the drying time of the drum washing machine) discloses a condensing type and drum type washing machine.

Generally, as shown in Fig. 1, a condensing type and drum type washing machine comprises a cabinet 1 forming an outer appearance, a tub 2 installed inside the cabinet 1, And a drum 3 rotatably installed inside.

The tub 2 is supported on the upper side by a hanging spring 4 and a lower damper 5 so that the size of the tub 2 and the drum 3 provided in the tub are larger than the volume of the cabinet 1 Is limited.

In order to perform the drying function, the tub 2 is provided with a drying duct 6 through which dry air is circulated to one side, a heater and a blowing fan (not shown) provided inside the drying duct, A condensing duct (7) is provided in which the discharged moist air is circulated and condensed.

Korean Patent Application No. 10-2005-0127372 (Title of the Invention: Method of Reducing Drying Time of Drum Washing Machine and Drum Washing Machine) Also disclosed is such a washing machine.

The size of the tub 2 and the drum 3 provided in the tub need to be larger than the size of the cabinet 1 because the condensing duct 7 must be provided separately on one side of the outer surface of the tub 2. [ The internal structure of the cabinet 1 becomes complicated, and the manufacturing cost increases.

It is an object of the present invention to increase the volume of a tub and a drum as much as possible in a limited space inside a cabinet.

It is still another object of the present invention to provide a filter cleaning unit having an improved structure for efficiently cleaning a lint filter included in the present invention.

In order to achieve the above object, the present invention provides a washing machine comprising: a tub receiving wash water; A drum rotatably installed in the tub to receive laundry; A hot air supply device including a heater for generating hot air, a fan for circulating the generated hot air, a hot air supply duct for introducing the hot air into the drum, and an exhaust duct for discharging air dried in the drum. A lint filter provided in the exhaust duct to filter lint contained in air passing through the exhaust duct in the drum; A filter cleaning unit that removes the filtered lint from the lint filter by spraying wash water on the lint filter; And a washing water line branched from a water supply passage provided in the tub and supplying washing water to the filter washing unit.

Preferably, the filter cleaning unit is provided on the lint filter so that the washing water is blown downward to the inside of the tub to remove the lint.

More preferably, the filter cleaning unit includes: a body having a hollow portion for introducing wash water; And a washing water splasher coupled to the body, the washing water splitter having a hollow portion through which the washing water flows when the one side is opened and the other side is closed when the body is fastened to the body.

Preferably, the filter cleaning unit further includes a coupling part having one end connected to the washing water line and the other end extended to the body or the washing water dividing part so that the washing water can flow to the hollow part.

More preferably, the coupling portion includes a coupling rib formed on the outer circumferential surface to prevent the washing water from leaking to the outside of the exhaust duct.

More preferably, the body has a long rod shape so as not to interfere with a flow of air flowing into the exhaust duct.

More preferably, the body includes a water leakage preventing slope formed to be inclined in the direction of the fastening portion.

More preferably, the washing water splash portion includes a plurality of first spray nozzles protruding from the outermost portion and spraying wash water at a predetermined angle; And a plurality of second injection nozzles formed between the center portion and the first spray nozzles and spraying the wash water in a vertical direction.

It is further preferable that the plurality of first injection nozzles have injection ports on one side of the protruding surface so that each of the plurality of first injection nozzles has a circumferential spray angle on the axis of the center of the washing water splasher.

Still more preferably, the first spray nozzle and the second spray nozzle are mutually symmetrically formed with respect to the longitudinal direction of the wash water splasher.

More preferably, the body and the washing water splitting portion are joined by welding the fastening surfaces.

Preferably, the hot air supply device includes an exhaust duct located at an upper portion of the tub and formed at a rear side surface of the tub for discharging air that has been dried in the drum, and an exhaust duct formed at the upper side of the exhaust duct And a hot air supply duct provided on the upper side of the tub for introducing air heated by the heating duct into the tub, .

Preferably, the tub is provided with a condensed water supply port, and a condensed surface on which condensed water condenses is formed on the inner circumferential surface.

Preferably, the tub is fixedly fastened to the cabinet.

It is more preferable to further include a rotating shaft connected to the drum, a bearing housing rotatably supporting the rotating shaft, a driving motor for rotating the rotating shaft, and a suspension unit coupled to the bearing housing to buffer vibration of the drum .

Further preferably, a rear gasket sealing the rear portion of the tub to prevent the driving motor from leaking from the tub, and allowing the driving motor to move relative to the tub.

According to the present invention, it is possible to provide a tub and a drum having a volume larger than that of the conventional washing machine by improving the condensation structure and improving the suspension structure.

In addition, according to the present invention, the filter cleaning unit for cleaning the lint filter for filtering the lint included in the hot air can be provided, thereby having an excellent effect in cleaning the lint filter.

1 is a side cross-sectional view of a washing machine provided with a condensing duct according to the prior art.
2 is an exploded perspective view of a washing machine according to the present invention.
3 is a side cross-sectional view of the washing machine according to the present invention.
4 is a perspective view of a tub and a drying module of a washing machine according to the present invention.
5 is a perspective view showing a suspension unit of the washing machine according to the present invention.
FIG. 6 is a side view showing the combined state of FIG. 4 and FIG. 5;
7A is a partial side view of a filter cleaning unit according to an embodiment of the present invention.
7B is a partial side view of a filter cleaning unit according to another embodiment of the present invention.
FIG. 8 is a bottom view of a washing water splitter of a washing machine according to an embodiment of the present invention; FIG.
FIG. 9 is a perspective view of the filter cleaning unit according to another embodiment of the present invention shown in FIG. 7B, in which the washing water splasher is removed. FIG.
10 is a conceptual diagram illustrating the spraying radius of a washing water splasher according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, all terms used herein are the same as the general meaning of the terms understood by those of ordinary skill in the art, and where the terms used herein contradict the general meaning of the term, they shall be as defined herein.

It is to be understood, however, that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

3 is a side sectional view of the washing machine according to the present invention, and FIG. 4 is a perspective view showing a tub and a drying module of the washing machine according to the present invention.

2 to 4, the washing machine 100 according to the present invention includes a cabinet 110 having an outer shape as shown in the figure, a tub 110 fixedly supported inside the cabinet 110, A rotary shaft 135 connected to the drum 130 through a rear portion of the tub 120, a drum 130 rotatably installed in the tub 120 to receive laundry, A bearing housing 140 for supporting the rotary shaft 135 and a driving motor 141 provided on the bearing housing 140 for transmitting rotational force to the rotary shaft 135. The bearing housing 140 is coupled to the bearing housing 140, And a suspension unit 150 for supporting the structures connected to the housing 140 and buffering vibrations and / or shocks. The washing apparatus 100 according to the present invention includes a hot air supply device 160 fixed to the outside of the tub 120 to heat the air into the tub 120 to supply a drying function do.

The cabinet 110 includes a base 118 on which respective components are supported and seated and a front panel 111 on which an opening 112 is formed for inputting laundry, and further includes a left panel 114, a right panel 115, A rear panel 116, and a top panel 117, as shown in FIG.

Here, a door 113 for closing the opening 112 is provided in the opening 112 of the front panel 111.

A water supply hose (not shown) for supplying water from the external water source to the inside of the tub 120 and a water supply valve (not shown) installed on the water supply hose to control the entry / And a water supply unit 127 composed of a detergent supply unit (not shown) in which water supplied through the water supply hose is introduced into the tub 120 together with the detergent.

A drainage unit (not shown) including a drainage hose and a drainage pump is provided at an inner lower portion of the cabinet 110 to discharge wash water used for washing and rinsing to the outside.

The tub 120 includes a front tub 121 constituting a front part and a rear tub 122 constituting a rear part as shown in Fig. The front tub 121 and the rear tub 122 are assembled by an assembly of screws or the like to form a space for accommodating the drum 130 therein.

Here, the front tub 121 is formed with an inlet 121a which is connected to the door 113 in the forward direction and opens to allow laundry to be introduced. A rim portion 121b protruding forward of the tub 120 is formed on the inner circumferential surface of the charging port 121a.

A hot air supply duct 165 of a hot air supply device 160, which will be described later, is connected to the rim portion 121b. The rim portion 121b has a front gasket 124 for maintaining airtightness with the opening 112 formed in the front panel 111 (see FIG. 3).

The front gasket 124 further functions to prevent foreign matter from entering between the tub 120 and the drum 130.

The rear tub 122 is formed to penetrate the rear surface. The rear surface of the rear tub 122 is provided with a tub back bell 125 for closing the rear surface and a rear gasket 126. The rear gasket 126 is connected to be sealed with the tub back wall 125 and the rear tub 122, respectively, so that the washing water in the tub is not leaked.

A condensed water supply port 122a for generating condensed water is formed on one side of the outer circumferential surface of the rear tub 120 by using the inner circumferential surface of the rear tub 120. [ The inner circumferential surface of the rear tub 120 serves as a condensation surface (not shown) by the cold water supplied to the condensate water supply port 122a. Condensate generation using the rear tub 120 will be described in detail in the description of the hot air supply device 160.

Here, the tub trunk 125 oscillates together with the drum 130 when the drum 130 rotates. At this time, the rear tub 122 is spaced apart from the rear tub 122 at sufficient intervals so as not to interfere with the rear tub 122. [

Since the rear gasket 126 is made of a flexible material positioned between the rat back tub 125 and the rear tub 122, it is possible to allow the tub back wall 125 to relatively move without interfering with the rear tub 122 do. The rear gasket 126 may have a corrugation that can be extended to a sufficient length to allow such relative movement of the tub back wall 125 (see FIG. 3).

The tub 120 is supported vertically upward by the supporters 118a and 118b provided on the base 118 of the cabinet 110 and is fixed by a separate assembly (for example, a screw thread, a bolt or the like) . The front panel 111 and the rear panel 116 or the left panel 114 and the right panel 115 of the cabinet 110 as shown in FIG.

The hot air supply device 160 is provided at an upper portion of the tub 120 to circulate and heat the air inside the tub 120 during a drying stroke of the washing machine 100. [ That is, the hot air supply device 160 is configured to draw out the air inside the tub 120, heat it, and then introduce it into the tub 120 again.

4, the hot air supply device 160 according to an embodiment of the present invention includes an exhaust duct 161 formed on a side surface of an outer circumferential surface of the tub 120, and an exhaust duct 161 A heating duct 164 for heating the air to be moved by the air blowing fan 163 and a hot air supply duct 164 for guiding the air heated by the heating duct 164 to the tub 120, (Not shown).

Here, the hot, dry air flowing into the drum through the hot air supply duct 165 flows into the exhaust duct 161 by the action of a blowing fan 163, which will be described later, with moisture present in the laundry. The exhaust duct 161 is formed so as to pass through the outer peripheral side surface of the tub 120.

On the other hand, the condensed water supply port 122a is located at one side of the exhaust duct 161. As the cold water is supplied to the condensed water supply port 122a during the drying stroke of the washing machine 100, the cold water supplied flows along the inner surface of the tub. At the same time, moist air, which is the laundry dried by the exhaust duct 161, is moved, and condensed water is formed on the condensation surface of the tub 120 through which the cold water flows.

Condensate generation using the inner surface of the tub 120 can generate condensed water using a wider area than that of the conventional condensed water generating structure, thereby improving condensate production efficiency. In addition, since a separate condensing duct is not required, the volume of the tub 120 and the drum 130 can be made wider within the cabinet.

On the other hand, the blowing fan 163 is provided on the upper side of the exhaust duct 161. The air inside the tub 120 flows in accordance with the operation of the air blowing fan 163 and moves toward the heating duct 164 side.

Meanwhile, the heating duct 164 is provided with a heater (not shown), and the air moved by the blowing fan 163 is heated by the heater (not shown) to generate hot air. The air heated in the heating duct 164 is supplied into the tub 120 by the hot air supply duct 165 to dry the laundry.

The drum 130 according to an embodiment of the present invention includes a front drum 131, a center drum 137, a rear drum 132, and the like. The front balancer 134 and the rear balancer 134 are provided at the front portion and the rear portion of the front drum 131 and the rear drum 132, respectively, for balancing to suppress the vibration of the drum 130 when the drum rotates. Further, a lift 133 for moving the laundry is provided on the inner surface of the center drum 137.

The rear drum 132 is connected to the spider 136 and the spider 136 is connected to the rotary shaft 135. The drum 130 is rotated in the tub 120 by the rotational force transmitted through the rotating shaft 135.

Here, the rotary shaft 135 is directly connected to the driving motor 141 through the tub back wall 125. Specifically, the rotor of the drive motor 141 and the rotary shaft 135 are directly connected. And is coupled to the bearing housing 140, which will be described later, on the rear surface of the tub half-

The bearing housing 140 rotatably supports the rotary shaft 135 between the driving motor 141 and the tub back wall 125. In addition, the bearing housing 140 is resiliently supported from the base 118 through the suspension unit 150.

On one side of the bearing housing 140, a rotary shaft 135 coupled to the drum 130 is inserted into the bearing housing 140, and the drum 130 is coupled to the tub back sheet 125 located on the rear side of the tub 120. The bearing housing 140 is provided with a bearing (not shown) for smoothly rotating the rotary shaft 135 and the rotary shaft 135 is supported by a bearing (not shown). A driving motor 141 for rotating the rotating shaft is coupled to the other surface of the bearing housing 140.

The first extending portion 142 and the second extending portion 144 are formed symmetrically in the left and right radial directions of the bearing housing 140. The suspension unit 150 is fastened to the first extended portion 142 and the second extended portion 144 and the bearing housing 140 is elastically supported through the suspension unit 150.

Hereinafter, the combined state of the suspension unit according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 5 is a perspective view showing a suspension of a washing machine according to the present invention, and FIG. 6 is a side view showing a combined state of a tub and a suspension of the washing machine according to the present invention.

The suspension unit 150 includes first and second weights 143 and 145 connected to the first and second extended portions 142 and 144 of the bearing housing and first and second weights 143 and 145 connected to the first and second weights 143 and 145 First and second suspension dampers 151 and 154 connected to the first and second suspension brackets 151 and 154 and the bearing housing 140 to elastically support the bearing housing 140, (152, 155, 157), and first and second dampers (153, 156).

The first and second weights 143 and 145 serve to hold the center of gravity when the laundry is received in the drum 130 and also serve as a mass in the vibration system in which the drum 130 vibrates.

The first spring damper 152 is connected between the first suspension bracket 151 and the base 118. The second spring damper 155 is connected between the second suspension bracket 154 and the base 118. The third spring damper 157 is directly connected between the bearing housing 140 and the base 118. The drum 130 is buffered and supported at one position at the rear by the spring dampers 152, 155, and 157 at two positions on the left and right sides.

The first damper 153 is installed to be inclined between the first suspension bracket 151 and the rear portion of the base 118 and the second damper 156 is installed to be inclined between the second suspension bracket 154 and the rear portion of the base .

Preferably, the first and second weights 143 and 145, the first and second suspension brackets 151 and 154, the first and second spring dampers 152 and 155 and the first and second dampers 153 and 156, And the dampers are coupled to the base 118 via a separate rubber bushing so as to be tiltable at a predetermined angle. The drum 130 and the bearing housing 140 are lifted in the tub 120 by the first and second suspension brackets 151 and 154 and the first, second and third spring dampers 152, 155 and 157, do.

The drive motor 141 is fastened to the rear surface of the bearing housing 140 and is directly connected to the rotary shaft. The driving motor 141 is provided so that its speed can be controlled by a control unit (not shown). The structure and type of the drive motor 141 are widely known to those skilled in the art and various embodiments are possible, and a detailed description thereof will be omitted.

Hereinafter, the filter cleaning unit 200 of the washing machine 100 according to the present invention will be described in detail.

FIG. 7A is a partial side view with a filter cleaning unit according to an embodiment of the present invention, FIG. 7B is a partial side view with a filter cleaning unit according to another embodiment of the present invention, and FIG. FIG. 9 is a perspective view of the filter washing unit according to another embodiment of the present invention shown in FIG. 7B, in which the washing water splasher is removed. FIG. 10 is a perspective view illustrating a washing water washing unit according to an embodiment of the present invention. FIG. 7 is a conceptual diagram showing the spraying radius of the washing water portion.

As described above, the hot air flow of the present invention is heated by the heating duct 164 and flows into the drum through the hot air supply duct 165 connected to the upper side of the tub 120. The hot air flows into the drum, The air is circulated to the heating duct 164 through the exhaust duct 161 connected to the rear upper side of the tub 120 with the moist air having moisture and drying the laundry.

Therefore, the air passing through the exhaust duct, that is, the air in which the laundry is dried, includes foreign matter, lint, and the like attached to the laundry, and thus it is necessary to filter such air.

Therefore, in the washing machine 100 according to an embodiment of the present invention, the inside of the exhaust duct 161 is cleaned by the drum 130 in order to filter foreign substances, lint, etc. contained in the air passing through the exhaust duct 161. [ A lint filter 162 is provided.

7A and 7B, the lint filter 162 is preferably provided in the exhaust duct 161 at a predetermined inclination since the lint filter 162 has a wider cross-sectional area to improve the filtering effect.

However, as described above, the lint filter 162 for filtering the lint included in the air introduced into the exhaust duct 161 needs maintenance to remove the filtered lint during long-term use.

This is because if the lint filter 162 is clogged by the lint due to long-term use, the air flowing into the exhaust duct 161 and the heating duct 164 will be significantly reduced, and under such conditions (acting as a frictional force) This is because the blowing fan 163 in which the inflow air is reduced may be rotated, and the heater (not shown) may also overheat because the object to be heated is not present. These adverse conditions can eventually lead to the failure of the washing machine or the risk of fire.

In order to prevent this, the exhaust duct 161 is sprayed with washing water downward to the lint filter 162 above the lint filter 162 to remove the filtered lint from the lint filter 162 A filter cleaning unit 200 is provided.

Specifically, the filter cleaning unit 200 of the present invention is provided on the lint filter 162 to remove the lint by spraying the washing water downward into the tub 120.

The filter cleaning unit 200 is connected to a water supply channel (not shown) provided in the washing machine and includes a coupling part 210 having a hollow part for allowing wash water to flow therethrough, A washing water splitter 230 coupled to a lower side of the body 220 and having one side opened and the other side closed to move the washing water flowing into the coupling part 210, .

Since the coupling part 210 is connected to a water supply channel (not shown) in the form of a pipe or a pipe, the coupling part 210 has a circular shape and is vertically provided on one side of the exhaust duct 161. desirable. However, the fastening angle of the fastening part 210 with the exhaust duct 161 according to an embodiment of the present invention is not limited thereto.

As shown in FIG. 7A, the injection module in which the body 220 and the washing water splasher 230 are fastened is parallel to the fastening part 210 fastened to one side of the exhaust duct 161 However, as shown in FIG. 7B, it is preferable that the distal end is formed so as to be directed upward and fastened.

7B is different from the lint filter 162 in terms of the height of the distal end of the injection module according to another embodiment of the present invention as shown in FIG. 7B, so that the blow to the lint attached to the lower side of the lint filter 162 This is because the lint removing efficiency can be improved more than the injection module according to the embodiment of the present invention as shown in FIG. 7A because the sense is increased and the injection radius is also widened.

Referring to FIG. 9, the coupling part 210 includes a coupling rib 215 formed on an outer circumferential surface thereof to prevent washing water from leaking out of the exhaust duct 161 when washing water is injected. Further, the coupling ribs 215 serve to further strengthen the fastening of the filter cleaning unit 200 on the exhaust duct 161.

In the meantime, the filter cleaning unit 200 of the present invention is not always operated, but is preferably performed when the lint has been collected so as to interfere with the circulation of air passing through the linter filter 162.

That is, it is preferable that the filter cleaning unit 200 has the same shape as the cross-sectional area of the lint filter 162. However, it is preferable that the interference of the airflow flowing in the exhaust duct 161 It should have a shape that can be limited to a minimum.

Accordingly, it is preferable that the body 220 has a long rod shape so as not to interfere with the flow of the air flowing into the exhaust duct 161 (see FIG. 9).

The body 200 may include a water leakage preventing jaw 225 formed to be inclined toward the coupling part 210. The water leakage preventing jaw 225 may be formed on the coupling rib 215 of the coupling part 210, It is possible to prevent the washing water from leaking to the outside of the exhaust duct 161 when the washing water is injected.

8, the washing water distributor 230 according to the present invention includes a plurality of first spray nozzles 231 protruding from the outermost portion and spraying wash water at a predetermined angle, And a plurality of second spray nozzles 233 formed between the spray nozzles 231 for spraying the wash water in the vertical direction.

The plurality of first injection nozzles 231 are protruded and formed at one side of the protruding surface so as to have a circumferential spray angle with respect to the center of the washing water splasher 230, So that it is possible to have a wider radius of cleaning range in cleaning the provided lint filter 162 (see FIG. 10).

The plurality of first spraying nozzles 231 and the plurality of second spraying nozzles 233 may be symmetrically arranged about the longitudinal axis of the washing water distributing unit 230, The present invention is not limited thereto.

Meanwhile, the filter cleaning unit 200 of the present invention, that is, the coupling unit 210, the body 220, and the washing water dividing unit 230 may be manufactured by an injection molding method.

Preferably, the coupling part 210 and the body 220 are integrally injection-molded as one process, and the washing water splash part 230 can be injection-molded separately on the structural characteristics of the protruded first injection nozzle 231 have. In this case, it is obvious that the body 220 and the washing water splasher 230 can be joined by welding the fastening surfaces, and the fastening method is not limited thereto.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. Range and its equivalent range.

110: cabinet 120: tub
130: Drum 140: Bearing housing
150: Suspension unit 160: Hot air supply device
161: exhaust duct 163: blowing fan
164: Heating duct 165: Hot air supply duct
200: filter cleaning part 210: fastening part
215: fastening rib 220: body
225: waterproofing jaw 230: washing water sprayer
231: First injection nozzle 233: Second injection nozzle

Claims (16)

A tub receiving the wash water;
A drum rotatably installed in the tub to receive laundry;
A heater for heating the air exhausted from the tub through the exhaust duct, a hot air supply duct for guiding the air heated by the heater to the turbine, air in the tub, A hot air supply device having a fan that flows into the exhaust duct and moves to the hot air supply duct;
A lint filter provided in the exhaust duct to filter air;
And a filter cleaning unit positioned between the lint filter and the fan to jet wash water to the lint filter,
The filter cleaning unit
A body for introducing washing water into the exhaust duct;
And a washing water splasher spraying the washing water introduced into the body in at least two or more different directions with respect to the longitudinal direction of the body. The method according to claim 1,
The filter cleaning unit
And the washing water is sprayed from the upper side of the lint filter toward the inside of the tub. The method according to claim 1,
The filter cleaning unit
And the washing water is sprayed in a direction opposite to the flow direction of the air flowing into the exhaust duct in the tub. delete delete The method according to claim 1,
The washing water splasher
Wherein a washing water is sprayed at a predetermined angle with respect to a longitudinal direction of the body. The method according to claim 1,
The washing water splasher
And the washing water is radially sprayed on the basis of the longitudinal direction of the body. The method according to claim 1,
The washing water splasher
And the washing water is sprayed in a direction perpendicular to the longitudinal direction of the body. The method according to claim 1,
The filter cleaning unit may further include a first injection nozzle and a second injection nozzle provided in the washing water splasher to spray wash water,
Wherein the spray direction of the washing water sprayed from the first spray nozzle and the spray direction of the wash water sprayed from the second spray nozzle are different from each other. 10. The method of claim 9,
Wherein the first injection nozzle and the second injection nozzle are symmetrically disposed with respect to a central axis of the body formed along the longitudinal direction of the body. 10. The method of claim 9,
Wherein the first spray nozzle is provided with a plurality of first spray nozzles along the edge of the wash water disperser so that wash water is radially sprayed with respect to a longitudinal axis of the body,
Wherein the second spray nozzles are provided in a space provided between the first spray nozzles. 10. The method of claim 9,
Wherein the washing water splash portion is provided with a curved surface whose surface facing the lint filter is convex,
Wherein the first spray nozzle is provided with a plurality of first spray nozzles along the edge of the wash water disperser so that wash water is radially sprayed with respect to a longitudinal axis of the body,
Wherein the second spray nozzles are provided in a space provided between the first spray nozzles. The method according to claim 1,
Wherein the filter cleaning unit is provided in a bar shape. The method according to claim 1,
Wherein the length of the filter cleaning unit is shorter than the length of the lint filter. The method according to claim 1,
Wherein the filter cleaning unit is positioned above a straight line passing through the center of the lint filter. The method according to claim 1,
Wherein one side of the body facing the lint filter is open,
Wherein the washing water splash portion is provided on an open side of the body.

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