KR100762332B1 - Filter cleaner and dryer therewith - Google Patents

Abstract

A device for cleaning a filter and a dryer having thereof is provided to prevent malfunction of the dryer by cleaning foreign material from the filter by using water when the foreign material is accumulated to predetermined thickness and discharging the foreign material out of a cabinet. A device for cleaning a filter comprises a cabinet(50), a drum(60), a front panel, a filter, a dust weight sensor, a water supply pipe, a water supply valve, and a control unit. The drum is rotatably installed in the cabinet, wherein the laundry is put. The front panel is installed at an inner wall of the cabinet, wherein a discharge port is formed and the drum is rotatably connected. The filter is installed in the discharge port. The dust weight sensor is installed at the filter to sense amount of foreign matter accumulated in the filter. The water supply pipe is installed at the discharge port and supplying water. The water supply valve is installed at the water supply pipe. The control unit determines operation of the water supply valve according to the signal outputted from the dust weight sensor.

Description

Filter cleaning device and dryer having same {FILTER CLEANER AND DRYER THEREWITH}

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art.

Figure 2 is a partial cutaway perspective view of a dryer according to the prior art.

Figure 3 is a rear perspective view showing the configuration of a dryer according to an embodiment of the present invention.

Figure 4 is a front perspective view showing the configuration of a dryer according to an embodiment of the present invention.

Figure 5 is a rear perspective view showing the discharge port of the dryer according to an embodiment of the present invention.

Figure 6 is a front view showing a filter washing device of a dryer according to an embodiment of the present invention.

7 is a block diagram showing a filter washing apparatus of a dryer according to an embodiment of the present invention.

8 is a side cross-sectional view showing a suction passage of the dryer according to an embodiment of the present invention.

9 is a plan view showing the exhaust passage of the dryer according to an embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

50: cabinet 52: inlet

54 discharge port 60 drum

62: support panel 62a: through hole

64: front panel 64a: outlet

70: intake pipe 74: heater

80 exhaust pipe 82 exhaust fan

84 housing 86 extension tube

90: drive motor 96: belt

100: lifter 110: filter washing device

112: dust detection sensor 114: water supply pipe

114a: nozzle 116: water supply valve

118 control unit 119 drain pan

119a: drain pipe 119b: check valve

The present invention relates to a dryer, and more particularly, to a filter washing apparatus and a dryer having the same to detect the amount of foreign matter accumulated in the filter and accumulate more than a predetermined value by spraying the washing water.

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art, Figure 2 is a partial cutaway perspective view showing a dryer according to the prior art.

1 and 2, a case 2 having an exterior of a dryer and a door opening to be formed on a front surface thereof, a rotatably disposed inside the case 2 and housed inside the case 2 and air The drum 12 opened in the front-rear direction to pass through the heater 12, a heater 18 disposed in the case 2 to heat the sucked air, and heated air passed through the heater 18. An intake duct 20 guiding to the rear of 12), an exhaust means 22 for discharging the turbid air while drying the object to the outside of the case 2, and a blowing fan provided in the exhaust means 22. (Not shown), a motor (not shown) and a belt 40 for rotationally driving the drum 12 and the blowing fan.

The drum 12 is disposed on the inner circumferential surface is a lift 11 for lifting the object to drop.

The exhaust means 22 has a lint duct 25 through which air in the drum 12 is sucked and a filter 24 is mounted to filter foreign matter, and the lint duct 25 communicates with the blower fan 30. It consists of a fan housing 26 enclosing the exhaust housing and an exhaust duct 27 having one end communicating with the fan housing 26 and the other end disposed outside the case 2.

Looking at the operation of the prior art configured as described above are as follows.

First, after the object is put into the drum 12, the door is closed and the dryer is operated. As the motor is driven, the drum 12 and the blowing fan rotate, and the heater 18 is also operated. Done.

At this time, as the drum 12 is rotated, the dry matter in the drum is lifted by the lift 11 and then dropped. The outside air is heated by the high temperature and low humidity air while being sucked into the heater 18 by the blowing force generated when the blowing fan is rotated, and then into the drum 12 through the intake duct 20. Discharged.

After the high temperature and low humidity air supplied into the drum 12 is in direct contact with the object to be dropped, the air is dried and moved to the front end side of the drum 12 while being converted into air of low temperature and high humidity. It is discharged out of the dryer through the exhaust duct 27.

However, since the dryer according to the prior art does not have a separate device for sensing the amount of foreign matter accumulated in the filter, when the drying operation is carried out in a state where the foreign matter accumulated in the filter is more than a predetermined amount, the air does not flow smoothly. Therefore, even after the drying operation is completed, the laundry is not completely dried, there is a problem that the malfunction and breakage of the dryer may occur if the continuous drying operation is made in a state in which the flow of air is suppressed.

The present invention has been made to improve the problems of the prior art, it is an object of the present invention to provide a filter washing apparatus and a dryer having the same to detect the accumulated amount of foreign matter to remove the detected foreign matter.

The filter cleaning device according to the present invention for solving the above problems is installed in the cabinet, the drum rotatably installed inside the cabinet to accommodate the laundry, the inner wall of the cabinet, the outlet is formed, the drum is rotatable A front panel connected to the filter, a filter installed inside the outlet, a dust amount sensor installed on the filter to detect an amount of foreign matter accumulated in the filter, a water supply pipe installed at the outlet to supply washing water, and a water supply installed at the water supply pipe And a control unit for determining whether the water supply valve is driven according to a signal received from the valve and the dust amount detection sensor.

In another aspect, the present invention is characterized in that it further comprises a drain pan installed in the lower side of the filter to collect the washing water, a drain pipe extending from the drain pan to the outside of the cabinet, and a check valve installed in the drain pipe.

In addition, the present invention is characterized in that the nozzle is installed in the water supply pipe.

In addition, the dryer provided with a filter washing apparatus according to the present invention is installed in the cabinet, the drum is rotatably installed inside the cabinet, the laundry is stored, installed on the inner wall of the cabinet, the outlet is formed, the drum is rotatably connected A front panel, a filter installed inside the outlet, a dust amount sensor installed on the filter to detect the amount of foreign matter accumulated in the filter, a water supply pipe installed at the outlet to supply washing water, and a water supply valve installed at the water supply pipe And a control unit for determining whether the water supply valve is driven according to a signal received from the dust amount detection sensor.

Hereinafter, an embodiment of a filter washing apparatus according to the present invention and a dryer having the same will be described in detail with reference to the accompanying drawings.

For convenience of explanation, a dryer provided with a filter washing apparatus will be described as an example.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

Therefore, the definitions of these terms should be made based on the contents throughout the specification.

Figure 3 is a rear perspective view showing the configuration of the dryer according to an embodiment of the present invention, Figure 4 is a front perspective view showing the configuration of the dryer according to an embodiment of the present invention, Figure 5 is an embodiment of the present invention A rear perspective view of the discharge port of the dryer according to the example is shown.

In addition, Figure 6 is a front view showing a filter washing apparatus of a dryer according to an embodiment of the present invention, Figure 7 is a block diagram showing a filter washing apparatus of a dryer according to an embodiment of the present invention, Figure 8 is The suction flow path of the dryer according to an embodiment of the present invention is a side shaving, and FIG. 9 is a plan view illustrating the exhaust flow path of the dryer according to an embodiment of the present invention.

3 to 9, a dryer according to an embodiment of the present invention forms a predetermined space, an opening is formed at one side, a cabinet 50 having an inlet 52 and an outlet 54, and the opening. The drum 60 rotatably installed inside to accommodate the laundry, a plurality of lifters 100 installed on the inner wall of the drum 60 to rotate the laundry, and air in the cabinet 50 include the drum 60. An intake pipe 70 for guiding the inside, a heater 74 provided in the intake pipe 70, an exhaust fan 82 provided between the drum 60, and a discharge port 54, and the exhaust The exhaust pipe 80 provided between the fan 82 and the discharge port 54, and the drive motor 90 is connected to the rotary shaft of the exhaust fan 82 is configured.

Thus, when the power is applied to the drive motor 90 by the user's operation, the exhaust fan 82 is rotated to circulate air, and the air introduced through the suction port 52 is hot while passing through the heater 74. The air is converted into air and supplied into the drum 60, and the drying operation or sterilization operation of the clothes is performed while contacting the clothes in the drum 60.

Thereafter, the air discharged by the exhaust fan 82 is discharged to the outside through the discharge port 54 of the cabinet 50 along the exhaust pipe 80, thereby circulating the air.

Here, the discharge port 54 is formed at the bottom center of the rear surface of the cabinet 50.

In addition, the drum 60 is formed in a cylindrical shape in which the front and rear surfaces thereof are opened, and the front surface thereof is rotatably installed on the support panel 62 having the through hole portion 62a formed thereon.

Here, the support panel 62 is installed on the rear inner wall of the cabinet 50 so that the drum 60 can be rotatably supported, and the intake pipe 70 is installed in the through hole portion 62a.

In addition, the drum 60 is provided with a front panel 64 between the front end and the opening of the cabinet 50, the discharge port 64a is formed at the lower end of the front panel 64.

An extension tube 86 facing the exhaust fan 82 is provided at the discharge port 64a, and a housing 84 in which the exhaust fan 82 is rotatably embedded between the extension tube 86 and the exhaust pipe 80. ) Is installed.

In addition, a filter 64b and a filter washing device 110 are installed inside the discharge port 64a, and the filter washing device 110 is installed in the filter 64b to accumulate foreign matter accumulated in the filter 64b. Received from the dust amount detection sensor 112, the water supply pipe 114 is installed in the discharge port (64a) for supplying the washing water, the water supply valve 116 installed in the water supply pipe 114, and the dust amount detection sensor 112 The control unit 118 determines whether the water supply valve 116 is driven according to the signal, the drain pan 119 installed under the filter 64b and collecting the washing water, and the cabinet 50 from the drain pan 119. It includes a drain pipe (119a) extending to the outside, and a check valve (119b) provided in the drain pipe (119a).

Thus, when the dryer is driven for a long time and foreign matter accumulates in the filter 64b or more than a predetermined value, the dust amount detection sensor 112 detects this, and a signal received from the dust amount detection sensor 112 is applied to a signal transmitted from the controller 118. Accordingly, the water supply valve 116 is opened.

By this operation, the washing water is supplied to the water supply pipe 114. Since a plurality of nozzles 114a are installed in the water supply pipe 114, the washing water is injected into the filter 64b, so that the foreign matter accumulated in the filter 64b together with the washing water. Will fall to the bottom.

The washing water and foreign matter dropped to the lower side is collected in the drain pan 119 is discharged to the outside of the cabinet 50 along the drain pipe (119a).

The intake pipe 70 is a passage extending from the suction port 52 to an upper portion of the rear surface of the cabinet 50 corresponding to the through hole part 62a, so that air introduced from the inside of the cabinet 50 is heated by a heater ( While passing through 74, the air is converted to air above a predetermined temperature, and is moved along the intake pipe 70 to the upper side of the cabinet 50, and is introduced into the drum 60 through the through hole part 62a.

At this time, as the drum 60 connected to the drive motor 90 and the belt 96 is rotated, the contact area of the laundry with hot air is increased, so that drying or sterilization of the laundry is performed.

Here, the heater 74 is installed inside the intake pipe 70 disposed outside the cabinet 50, so that the heater 74 and the drum are compared with the conventional technology in which the heater 74 is installed inside the cabinet 50. The distance between 60 is minimized.

As a result, the heat loss generated while the air heated above the predetermined temperature by the heater 74 moves along the intake pipe 70 may be minimized, thereby maximizing the efficiency of the dryer.

In addition, since the heater 74 is installed outside the cabinet 50, the heater 74 is disposed in a separate space from the drive motor 90 which is easily overheated, and thus the inside of the cabinet 50 may be prevented from being overheated more than necessary. An effect that can prevent the malfunction and breakage of the dryer due to overheating of 90) occurs.

Looking at the operation of the dryer having a filter washing device according to the present invention configured as described above are as follows.

First, when a user operates a driving button (not shown), power is applied to the driving motor 90 and the heater 74 so that the exhaust fan 82 and the drum 60 rotate, and the suction port is driven by driving the exhaust fan. Air introduced into the drum 60 along the 52 passes through the inlet 52 and moves upwardly along the intake pipe 70 formed in a vertical direction on the rear surface of the cabinet 50 in the vertical direction. At this time, the heater 74 is heated by the hot drying air of a predetermined temperature or more.

Thereafter, the air introduced into the drum 60 through the through-hole part 62a flows in a tornado shape and contacts the laundry to perform a drying operation.

In addition, the discharge port 64a is formed in the front panel 64 provided between the opening of the drum 60 and the inner wall of the cabinet 50, and the air which has undergone the drying operation is outside the drum 60 along the discharge port 64a. Discharged to the housing 84 of the exhaust fan 82 through the extension pipe 86 communicating with the discharge port 64a, moved along the exhaust pipe 80 in the housing 84, and through the discharge port 54; Discharged to the outside of the cabinet 50.

At this time, the air flowing through the outlet (64a) is filtered foreign matter passing through the filter 64b, when the foreign matter accumulated in the filter 64b is detected by the dust amount sensor 112 or more than the set value control unit 118 Since the water supply valve 116 is opened by the electrical signal transmitted from the washing water, the washing water supplied along the water supply pipe 114 is sprayed on the inner wall of the filter 64b by the nozzle 114a.

The washing water sprayed in this way is absorbed by the foreign matter accumulated in the filter 64b and falls to the lower side, and the washing water falling to the lower side is collected in the drain pan 119 and discharged to the outside of the cabinet 50 along the drain pipe 119a.

This makes it possible to perform a drying operation in which foreign matter is easily removed.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

In addition, the dryer is provided with an intake pipe in which a heater is built as an example, but this is merely illustrative, and the filter washing device of the present invention may be used in other products other than the filter washing device used in the dryer.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

The filter washing apparatus and the dryer having the same according to the present invention configured as described above are provided with a dust amount sensor, a water supply pipe, a water supply valve, a control unit, and a drain pan, so that when foreign substances more than a set value are accumulated in the filter, the filter is washed outside By discharging to, there is an advantage that the user can at the same time facilitate the safe drying operation to prevent malfunction and damage caused by the air flow is inhibited by the foreign matter accumulated in the filter.

Claims (4)

cabinet; A drum rotatably installed inside the cabinet to accommodate laundry; A front panel installed at an inner wall of the cabinet and having a discharge port formed therein, the drum being rotatably connected thereto; A filter installed inside the outlet; A dust amount sensor installed on the filter and detecting an amount of foreign matter accumulated in the filter; A water supply pipe installed at the outlet to supply the washing water; A water supply valve installed in the water supply pipe; And And a control unit for determining whether the water supply valve is driven according to a signal received from the dust detection sensor. The method of claim 1, And a drain pan installed under the filter to collect washing water, a drain pipe extending from the drain pan to the outside of the cabinet, and a check valve installed at the drain pipe. The method of claim 1, Filter cleaning device, characterized in that the nozzle is installed in the water supply pipe. cabinet; A drum rotatably installed inside the cabinet to accommodate laundry; A front panel installed at an inner wall of the cabinet and having a discharge port formed therein, the drum being rotatably connected thereto; A filter installed inside the outlet; A dust amount sensor installed on the filter and detecting an amount of foreign matter accumulated in the filter; A water supply pipe installed at the outlet to supply the washing water; A water supply valve installed in the water supply pipe; And And a filter cleaning device including a control unit for determining whether the water supply valve is driven according to a signal received from the dust detection sensor.

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