KR101178680B1 - Drying system of dish washer - Google Patents

Abstract

The present invention relates to a dishwasher, and more particularly, a drying system of a dishwasher for preventing a user from being burned by steam by discharging the steam at a high temperature generated in the drying process of the dishwasher directly to the front of the dishwasher. It is about.

The dishwasher according to the present invention includes a tub having a washing tank formed therein; A discharge hole formed in a predetermined size on one side of the tub; A gasket for selectively opening and closing the discharge port; And an opening and closing member mounted on an upper surface of the gasket to control opening and closing of the discharge port.

By the dishwasher according to the present invention, it is possible to prevent the steam of the hot and humid state generated during the drying process of the dishwasher to be discharged directly to the front of the door to prevent the user or infant from being burned.

Opening and closing member, gasket, duct

Description

Drying system of dish washer

1 is a state diagram showing a drying process of a conventional dishwasher.

Figure 2 is a perspective view showing a dishwasher equipped with a drying system according to the spirit of the present invention.

3 is a sectional view of the drying system.

<Description of the symbols for the main parts of the drawings>

100: dishwasher 110: tub

120: door 130: tub frame

140: base 150: balance

160: top cover 170: duct

180: opening and closing member 190: gasket

The present invention relates to a dishwasher, and more particularly, a drying system of a dishwasher for preventing a user from being burned by steam by discharging the steam at a high temperature generated in the drying process of the dishwasher directly to the front of the dishwasher. It is about.

In general, the dishwasher is a home appliance for cleaning the food residue on the surface of the dish by the high-pressure washing water sprayed from the spray nozzle. In detail, the dishwasher includes a tub in which a washing tank is formed and a sump mounted on the bottom of the tub to store washing water. Then, the washing water is moved to the spray nozzle by the pumping action of the washing pump mounted inside the sump, and the washing water moved to the spray nozzle is sprayed at high pressure through the spray hole formed at the dispensing nozzle end. In addition, the washing water sprayed at a high pressure hits the surface of the tableware, and dirt, such as food residues on the tableware, falls to the bottom of the tub.

On the other hand, the dishwasher is to wash the dishes through three steps of the washing process, rinsing process and drying process. Here, in the drying process, the temperature inside the tub rises to a high temperature state. In addition, the air in the high temperature state is changed to a water vapor state by evaporating the moisture on the surface of the dish. The water vapor is discharged to the outside of the dishwasher.

1 is a state diagram showing a drying process of a conventional dishwasher.

Referring to FIG. 1, a general dishwasher 10 includes a tub 11 having a washing tank formed therein, a door 12 formed at a front surface of the tub 11 to open and close the washing tank, and the door 12. It is mounted to the inside of the fan includes a blowing fan 13 for discharging the hot air in the washing tank.

In addition, the blower fan 13 is accommodated, the exhaust port 14 which is a discharge passage of the hot air, and formed on one side of the tub 11, the air inlet for the hot air flows into the washing tank from the outside (16) is included. In addition, the washing tank includes a rack 15 in which the dishes 17 for washing are accommodated.

Hereinafter, referring to a drying process occurring in the washing tank, at a time when the rinsing step is finished and the drying step starts, air in a high temperature state is introduced through the air inlet 16, and the introduced air is the dishes 17. Bump into and pass through. In addition, the introduced high-temperature air evaporates moisture deposited on the surfaces of the dishes 17. In addition, the water vapor, which absorbs moisture on the surfaces of the dishes 17 and is in a high temperature and high humidity state, is discharged to the outside through the exhaust port 14 by the rotation of the blower fan 13.

The steam of the high temperature and high humidity circulating inside the tub 11 of the general dishwasher 10 having the above configuration is moved to the exhaust port 14 by the rotation of the blower fan 13, and the exhaust port It is discharged to the room through 14.

Here, the exhaust port 14 is located in the front portion of the door 12, the height of the exhaust port 14 is located at the height of the height of the young child. Therefore, when a 3 to 5 year old infant passes in front of the dishwasher 10, there is a great risk that the child may be burned if hot steam is ejected through the exhaust port 14.

The present invention has been proposed to solve the above problems, the drying system of the dishwasher to improve the discharge path of the steam generated during the drying process of the dishwasher to prevent children or users of the dishwasher from being burned by steam The purpose is to provide.

Dishwasher according to the present invention for achieving the object as described above is a tub in which a washing tank is formed; A cover covering an outer side of the tub; A discharge hole formed in a predetermined size on one side of the tub; A gasket disposed between the tub and the cover to selectively open and close the discharge port; And an opening / closing member mounted on an upper surface of the gasket to control opening and closing of the discharge opening, wherein the gasket seals the discharge opening in a washing process and a rinsing process, and opens the discharge opening in a drying process. The air discharged through the discharge port is discharged to the outside of the dishwasher after being dispersed between the tub and the cover.

By the above configuration, it is possible to prevent the user or infants from being burned by preventing the hot and humid water vapor generated during the drying process of the dishwasher from being discharged directly to the front of the door.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It should be understood, however, that there is no intention to limit the scope of the present invention to the embodiment shown, and that other embodiments falling within the scope of the present invention may be easily devised by adding, Can be proposed.

2 is a perspective view showing a dish washer equipped with a drying system according to the spirit of the present invention, Figure 3 is a cross-sectional view of the drying system.

2 and 3, the dishwasher 100 is provided with a drying system according to the present invention is a tub 110, the washing tank is formed therein, and the tub is coupled to the front edge of the tub (110) Tub frame 130 for reinforcing the strength of the 110, the door 120 for rotatably mounted on the front of the tub 110 to open and close the washing tank, and the tub 110 is placed on the lower side of the tub (110) Supporting the 110, the base 140 accommodates the sump and drive motor therein, and is mounted on the top of the rear of the tub 110, the dishwasher 100 is inclined while the door 120 is opened It includes a balance 150 to balance so as not to support and a top cover 160 to cover the upper end of the tub 110.

In detail, the upper surface of the tub 110 is formed with a discharge port 111 for discharging water vapor generated in the drying process to the outside, the gasket 190 for opening and closing the discharge port 111 and the gasket 190 The opening and closing member 180 of the gasket 190 and the discharge port 111 and the opening and closing member 180 so as to selectively open and close the discharge port 111 according to the temperature inside the tub 110. Covering an upper portion, the duct 170 for controlling the discharge direction of the water vapor discharged through the discharge port 111 is further included.

Referring to the operation of the dishwasher 100 having the above configuration, first, the user opens the door 120 to store the dishes in a dish rack (not shown) that is mounted to be pulled out inside the tub 110. do. After storing the dishes, the dishes rack is pushed into the tub 110 and the door 120 is closed. When the user presses the operation button, a washing motor (not shown) of the driving motors accommodated in the base 140 is operated. Here, the washing motor is operated after the washing water reaches a set level into a sump (not shown) mounted on the bottom of the tub 110.

In detail, the washing water introduced into the sump is sprayed on the surface of the dish through a water guide (not shown) and a spray nozzle (not shown) mounted inside the tub 110 by the operation of the washing motor. When the washing process is completed, a rinsing process is performed, and the temperature of the washing water sprayed into the tub is increased while the washing process and the rinsing process are performed, and the temperature of the tub 110 is also increased.

Here, the discharge port 111 formed on the upper surface of the tub 110 is not opened during the cleaning process and the rinsing process, and is opened when the rinsing process is finished and the drying process starts. In more detail, when the drying process starts, the temperature inside the tub 110 reaches its maximum. In addition, the gasket 190 is lifted upward in the drying process, and the discharge hole 111 is opened.

On the other hand, the drying system of the dishwasher according to the present invention comprises the gasket 190, the opening and closing member 180 and the discharge port 111.

In detail, the opening / closing member 180 is made of a shape memory alloy characterized in that it is deformed to a specific shape at a specific temperature, or is made of a bimetal characterized in that it is bent in a specific direction due to the difference in thermal expansion coefficient when a certain temperature or more. Can be. In detail, when the temperature inside the tub 110 is lower than the internal temperature in the drying process, the opening and closing member 180 does not cause deformation. As the drying process is performed in the tub 110 as shown in FIG. 3, when the temperature inside the tub 110 reaches the deformation temperature of the opening / closing member 180, the tub 110 is bent upward. Then, the gasket 190 mounted on the lower end of the opening and closing member 180 is lifted upward. As a result, the discharge port 111 is opened. In addition, the hot steam discharged by opening the discharge port 111 is discharged to the outside of the dish washing machine along the duct 170. Here, the outlet of the duct 170 faces the rear or side of the dishwasher 100, the top cover 160 is mounted on the upper surface of the duct 170. Therefore, water vapor discharged through the discharge port 111 is dispersed along the outer circumferential surface of the tub 110 and discharged into the room, so that a user or a child may not be burned. When the drying process is completed, the opening / closing member 180 is returned to its original position so that the gasket 190 seals the discharge port 111.

On the other hand, the position where the drying system is formed is not limited to the upper surface of the tub 110. That is, the tub 110 may be formed on the side surface or the rear surface of the tub 110, or may be formed at least one or more locations.

By the dishwasher according to the present invention having the above-described configuration, the high temperature and high humidity of the steam generated during the drying process of the dishwasher is prevented from being discharged directly to the front of the door to prevent a user or infant from being burned. It works.

In addition, not only the discharge path of the high temperature steam generated during the drying process is improved, but the washing process and the rinsing process also have an effect of increasing the cleaning effect by preventing the air inside the tub from being discharged to the outside at all.

Claims (8)

A tub in which a washing tank is formed; A cover covering an outer side of the tub; A discharge hole formed in a predetermined size on one side of the tub; A gasket disposed between the tub and the cover to selectively open and close the discharge port; And And an opening and closing member mounted on an upper surface of the gasket to control opening and closing of the discharge port. By the opening and closing member, the gasket seals the discharge port during the cleaning and rinsing process, and opens the discharge port during the drying process. And the air discharged through the discharge port is discharged to the outside of the dishwasher after being dispersed between the tub and the cover. The method of claim 1, And the opening / closing member is a shape memory alloy material which is deformed into a specific shape at a specific temperature. The method of claim 1, The opening and closing member is a drying system of the dishwasher, characterized in that the bimetal material. The method of claim 1, And a duct disposed between the tub and the cover, the duct covering the discharge port to guide the flow of the discharged air. The method of claim 1, At least one discharge port is formed on the top, side or back of the tub drying system of the dishwasher, characterized in that formed. delete delete The method of claim 1, The opening and closing member is maintained in a flat state at the temperature inside the tub formed during the washing process and the rinsing process, drying at the temperature inside the tub formed during the drying process is bent outside the tub by a predetermined angle system.

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