KR102046382B1

KR102046382B1 - Dish washer

Info

Publication number: KR102046382B1
Application number: KR1020130100295A
Authority: KR
Inventors: 박동호; 함정윤; 함형근; 박상현; 신우진
Original assignee: 삼성전자주식회사
Priority date: 2013-08-23
Filing date: 2013-08-23
Publication date: 2019-11-19
Also published as: KR20150022437A

Abstract

The present invention relates to a dishwasher including a washing tank forming a washing chamber and a drying duct installed in the washing tank for drying the dishes in the washing tank, wherein the drying duct is disposed therein to remove moisture from air passing through the drying duct. And a dehumidifying member for adsorbing, wherein the dehumidifying member is formed by impregnating lithium chloride on the paper.

Description

Dishwasher {DISH WASHER}

The present invention relates to a dishwasher including a drying duct for drying the dishes.

In general, the dishwasher is a device for washing dishes by spraying water on the dishes put in the interior, the main body is provided with a tray for inserting the dish on the front, the washing room disposed inside the tray, the door opening and closing the opening, the tableware storage And a nozzle unit for cleaning the dirt of the dishes by spraying water on the racks disposed in the washing room and the dishes contained in the racks.

In recent years, such a dishwasher includes a dishwasher including a drying duct to dry the dishes that have been washed.

The drying duct sucks moisture vapor generated in the inside of the washing chamber together with the air by the heater and adsorbs the wet steam so that dehumidification can be performed. In the drying duct, a dehumidifying member which adsorbs the moisture vapor to perform dehumidification is disposed.

One aspect of the present invention provides a dishwasher having a dehumidifying member that is configured at a lower cost.

Another aspect of the present invention also provides a dishwasher that allows air to be dehumidified faster through the drying duct.

According to an aspect of the present invention, a dishwasher includes a washing tank forming a washing chamber, and a drying duct installed in the washing tank to dry the dishes in the washing tank, wherein the drying duct is disposed therein so as to dry the dish. And a dehumidifying member for adsorbing wet steam from air passing through the dehumidifying member, wherein the dehumidifying member is formed by impregnating lithium chloride on paper.

The dehumidifying member may include a plurality of plate portions formed in a flat plate shape and spaced apart from each other, and a plurality of wave portions formed in a wave form and disposed between the plurality of plate portions.

In addition, the drying duct is provided on one side of the dehumidifying member and is provided with a suction port through which the air is sucked, and includes a first flow path for guiding the air sucked through the suction port to the dehumidifying member, wherein the first flow path proceeds downward. It has a width that gradually narrows.

In addition, the one side wall of the drying duct forming the first flow path is formed to be a curved surface that is progressively closer to the distance to the dehumidifying member.

In addition, the upper portion of the first flow path includes an air guide rib for guiding the air sucked through the suction unit inclined toward the dehumidifying member.

In addition, a blower fan for allowing air to pass through the drying duct, the drying duct is provided on the other side of the dehumidifying member and the second flow path for guiding the air passing through the dehumidifying member and the lower side of the second flow path And a third flow path for guiding air to the blowing fan, wherein the third flow path is provided with at least one water guide rib that protrudes from an inner surface of the drying duct and extends downward to guide water.

In addition, the drying duct includes a first duct and a second duct coupled to each other to form a flow path therebetween, wherein the at least one water guide rib protrudes from an inner surface of the first duct and the second duct, respectively. And a plurality of water guide ribs disposed spaced apart.

In addition, the plurality of water guide ribs have a thickness thinner than that of the flow path formed inside the drying duct.

The drying duct may further include: a discharge port for discharging air to the washing chamber, a fourth flow path for guiding air discharged from the blower fan to the discharge hole, a communication hole for communicating the third flow path and the fourth flow path, And a drip tray rib provided at a lower side of at least one water guide rib to receive water dropped from the water guide rib and guide the water to the communication hole.

As described above, since the dehumidifying member disposed in the drying duct is formed by impregnating lithium chloride on paper, a drying duct having an inexpensive and sufficient dehumidifying ability can be applied to the dishwasher.

In addition, as described above, the drying duct is provided with air guiding ribs for guiding air, and the drip ribs provided to face each other in the first duct and the second duct are spaced apart from each other, so that the air passes through the drying duct at a high speed and dehumidifies. It becomes possible.

1 is a cross-sectional view of the dish washer according to an embodiment of the present invention.
Figure 2 is a perspective view showing the installation state of the drying duct applied to the dishwasher according to an embodiment of the present invention.
Figure 3 is an exploded perspective view of the drying duct applied to the dishwasher according to an embodiment of the present invention.
4 is an enlarged view of a portion A of FIG. 3.
5 is a cross-sectional view of a dehumidifying member applied to another dish washer according to one embodiment of the present invention.

Hereinafter will be described in detail with reference to the dishwasher according to an embodiment of the present invention.

As shown in FIG. 1, the dishwasher 1 according to the exemplary embodiment of the present invention forms a main body 10 forming an exterior and a washing room 20a provided inside the main body 10 to wash dishes. The washing tank 20, the sump 30 is provided in the lower portion of the washing tank 20 to collect the water used for washing, and the door 40 for opening and closing the front side of the open washing tank 20.

In the washing tank 20, a pair of racks 22U and 22L disposed up and down to receive dishes, and a plurality of nozzles 23U and 23M spraying the washing water toward the dishes contained in the two racks 22U and 22L, respectively. , 23L) is disposed, the washing tank 20 is connected to an external water source (not shown) is connected to the water supply pipe 24 for supplying the washing water to the washing tank 20, the lower portion of the washing tank 20 for heating the washing water The heater 25 is arranged.

The pair of racks 22U and 22L includes an upper rack 22U disposed above the washing chamber 20a and a lower rack 22L disposed below the washing chamber 20a, and the nozzles 23U, 23M, 23L is an upper nozzle 23U disposed above the upper rack 22U to spray washing water downward, and an intermediate nozzle disposed between the upper rack 22U and the lower rack 22L to spray water up and down ( 23M) and the lower nozzle 23L which is arrange | positioned under the lower rack 22L and injects wash water upwards.

The sump 30 is recessed in the center of the bottom of the washing tank 20 to collect washing water used for washing. The sump 30 is provided with a circulation pump 31 for pumping the washing water collected in the sump 30 to circulate the washing water, and a driving motor 32 for driving the circulation pump 31. The circulation pump 31 is connected to the upper nozzle 23U and the intermediate nozzle 23M through the first supply pipe 34 to pump the washing water to the upper nozzle 23U and the intermediate nozzle 23M, and the second supply pipe 35 It is connected to the lower nozzle (23L) through) to pump the wash water to the lower nozzle (23L).

One side of the sump 30 is provided with a drain pump 36 and a drain pipe 37 for discharging the contaminated washing water to the outside of the dishwasher 1.

In addition, the dishwasher 1 includes a drying duct 50 which is installed in the washing tank 20 to dry the dishes which have been washed as shown in FIGS. 2 and 3.

The drying duct 50 sucks the wet steam generated in the washing chamber 20a together with the air by the heater 25 and adsorbs the wet steam to perform dehumidification. The drying duct 50 adsorbs wet steam on the internal duct of the drying duct 50 to dehumidify. Dehumidifying member 51 to perform the is disposed. A connecting duct 60 connecting the upper portion of the washing tank 20 and the drying duct 50 is installed at one end of the drying duct 50, and a blowing fan 71 is accommodated at the lower end of the drying duct 50 to receive air. Blowing duct 70 is connected to pass through the drying duct (50).

The drying duct 50 is composed of a first duct 50F and a second duct 50R coupled to each other so that a flow path is formed therebetween, and the suction duct 50a provided at one side of the upper end thereof and connected to the connection duct 60. And a discharge port 50b connected to the washing tank 20 to allow air and water to be discharged to the washing chamber 20a.

In addition, the drying duct 50 is formed on one side of the dehumidifying member 51 as shown in FIG. 4, and the upper end is connected to the connecting duct 60 so that the air sucked through the suction port 50a of the dehumidifying member 51 is removed. The first flow path 50c guiding to one side, the second flow path 50d formed at the other side of the dehumidifying member 51 and guiding the air passing through the dehumidifying member 51, and the lower side of the other side of the drying duct 50. And a third flow path 50e which is connected to the lower side of the second flow path 50d and guides the air to the lower blower duct 70, and is provided below one side of the drying duct 50, and that is, the blower duct, that is, the air blower. And a fourth flow path 50f for guiding the air discharged from the fan 71 to the discharge port 50b.

An air guide rib 52 extending downwardly inclined toward the dehumidifying member 51 is provided at an upper portion of the first flow path 50c adjacent to the inlet 50a to allow the air sucked through the inlet 50a to be more easily dehumidified. 51) to pass through.

In addition, the first flow path 50c is formed to have a width gradually narrowing down to allow the air passing through the first flow path 50c to pass through the dehumidifying member 51 with a sufficient flow rate. To this end, one side wall of the drying duct 50 forming the first flow path 50c proceeds downward, and is formed as a curved surface gradually closer to the dehumidifying member 51.

Water guide rib 53 for guiding water that is condensed on the inner surface of the drying duct 50 and moves downward along the inner surface in the process of passing the upper air through the upper dehumidifying member 51 in the third flow path 50e. ) Is formed.

The water guide rib 53 includes a plurality of water guide ribs 53 protruding from the inner surfaces of the first duct 50F and the second duct 50R, as shown in FIGS. 3 and 5, which will be described later. It extends obliquely downward toward the drip rib 54. In this case, the plurality of water guide ribs 53 are formed to be spaced apart from each other in a state where the first duct 50F and the second duct 50R are coupled to each other, and are formed to have a thickness thinner than that of the flow path so that the water guide ribs 53 are formed. And air can pass through the space between the drying duct 50 and the inner surface. Therefore, the air sucked into the blowing duct 70 may quickly pass through the third flow path 50e through the space between the water guide ribs 53 and the drying duct 50.

A water receiving rib 54 receiving water dropped from the water guide rib 53 is formed below the lower ends of the water guide ribs 53, and the water receiving rib 54 has a third flow path 50e and a fourth flow path ( The water is guided to the communication hole (50g) to communicate the 50f) to each other so that the water can be discharged to the washing chamber (20a) through the outlet (50b) formed in the fourth flow path (50f).

The blowing duct 70 is connected to the blowing fan accommodating part 70a in which the blowing fan 71 is accommodated, and the third flow path 50e to blow air from the third flow path 50e, as shown in FIG. An intake part 70b for guiding to 71 and an exhaust part 70c connected to the fourth flow path 50f for guiding the air discharged from the blower fan 71 to the fourth flow path 50f.

The dehumidifying member 51 is formed by impregnating lithium chloride (LiCl) on a paper. When the dehumidifying member 51 is configured in this way, the dehumidifying member 51 can be made inexpensively, while having sufficient dehumidifying ability.

In the present embodiment, the dehumidifying member 51 is formed by spreading the paper impregnated with lithium chloride in a flat plate shape as shown in FIG. 6 and spaced apart from each other, and the paper impregnated with lithium chloride. It is formed by bending in a waveform, and includes a plurality of waveform portions 51b disposed between the plurality of plate portions 51a. Therefore, the air sucked into the drying duct 50 passes through the dehumidifying member 51 through a hole formed between the plate portion 51a and the corrugated portion 51b, and the moisture vapor contained in the air is dehumidifying member 51. ), Moisture vapor contained in the air passing through the drying duct is removed.

It is apparent to those skilled in the art that the present invention is not limited to the embodiments described above, and that various modifications and changes can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to be belong to the claims of the present invention.

1: dishwasher 10: main unit
20: washing tank 30: sump
40: door 50: drying duct
51: dehumidifying member 52: air guide rib
53: water guide rib 54: drip rib

Claims

A washing tank forming a washing chamber,
A drying duct installed in the washing tank to dry the dishes in the washing tank;
A blowing fan for allowing air to pass through the drying duct,
The drying duct,
A dehumidifying member disposed therein and configured to adsorb wet steam from air passing through the drying duct;
A third flow path provided below the dehumidifying member to guide air to the blower fan, the third flow passage protruding from the inner surface of the drying duct and extending downward to be inclined downward to guide water;
A fourth flow path guiding air discharged from the blower fan to a discharge port;
A communication hole for communicating the third flow path and the fourth flow path; And
And a drip tray provided at a lower side of the at least one water guide rib to receive the water dropped from the water guide rib and guide the water to the communicating hole.

The method of claim 1,
The dehumidifying member includes a plurality of plate-shaped portions formed in a flat plate shape and spaced apart from each other, and a plurality of wave-shaped portions formed in a wave form and disposed between the plurality of plate-shaped portions.

The method of claim 2,
The drying duct is provided on one side of the dehumidifying member and is provided with a suction port through which the air is sucked, and includes a first flow path for guiding the air sucked through the suction port to the dehumidifying member.
And the first flow path is downward and has a width gradually narrowing.

The method of claim 3, wherein
One side wall of the drying duct forming the first flow path is formed to a lower surface and the curved surface is gradually closer to the dehumidifying member.

The method of claim 3, wherein
And an air guide rib at an upper portion of the first flow path for inclining the air sucked through the suction port toward the dehumidifying member.

The method of claim 1,
The drying duct is provided on the other side of the dehumidifying member including a second flow path for guiding the air passing through the dehumidifying member.

The method of claim 6,
The drying duct includes a first duct and a second duct coupled to each other to form a flow path therebetween.
The at least one water guide rib includes a plurality of water guide ribs protruding from the inner surface of the first duct and the second duct, respectively, and are spaced apart from each other.

The method of claim 7, wherein
The plurality of water guide ribs having a thickness thinner than the flow path formed in the drying duct.

The method of claim 1,
The outlet,
Dishwasher to allow air to be discharged to the washing chamber.