KR20060120794A - Controlling structure of dish washer's steam-emission, controlling method of the same, and air curtain making apparatus used in controlling structure of the same - Google Patents

Abstract

A structure for controlling seam-emission of a dish washer, a method of controlling the steam-emission, and an air curtain generating unit used at the same structure are provided to prevent the hot steam from being emitted into the outside through space between the dish washer body and a door by an air curtain. A structure for controlling seam-emission of a dish washer(10) where dishes received inside are washed by using the washing water is composed of a dish washer body(11); a door for opening and closing the inside of the dish washer body; and an air curtain generating unit(20) for preventing the steam discharged between the dish washer body and the door from being emitted to the outside by generating the air curtain when opening and closing the door. A fan(21) is installed to circulate the air at the air curtain generating unit and to generate the air curtain.

Description

Structure of dish washer's steam-emission, controlling method of the same, and air curtain making apparatus used in controlling structure of the same}

1 is a perspective view of a dishwasher to which a steam divergent structure of the dishwasher according to the present invention is applied.

2 is a side view of the dishwasher shown in FIG.

3 is a perspective view showing a first embodiment of the air curtain generating unit used in the steam dissipation inhibiting structure of the dish washing machine according to the present invention.

4 is a rear view of the air curtain generating unit shown in FIG. 3.

5 is a perspective view of a second embodiment of an air curtain generating unit according to the present invention;

FIG. 6 is a vertical sectional view taken along line II ′ shown in FIG. 5; FIG.

7 is a vertical cross-sectional view showing a duct structure applied to the air curtain generating unit according to the present invention.

8 is a flowchart illustrating a method for suppressing steam divergence of a dish washing machine according to the present invention.

FIG. 9 is a flowchart specifically illustrating an operation of turning on an air curtain generating unit by the control unit shown in FIG. 8; FIG.

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

10: dishwasher 11: dishwasher body

12: door 20: air curtain generating unit

21: fan 30: duct

31: outlet 32: guide portion

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher, and more particularly, to an air curtain generator for use in the steam dissipation inhibiting structure, the steam dissipation inhibiting method, and the steam dissipation inhibiting structure of the dishwasher.

In general, the dishwasher is a household appliance for washing dishes to remove food waste from the dishes by the water pressure of the washing water sprayed from the upper nozzle and the lower nozzle mounted inside the tub.

On the other hand, the dishwasher heats the washing water using a predetermined heater in order to effectively wash the dish to be washed, and washes the dish with hot water. In particular, a high temperature (approximately 80 ° C.) steam is present in the dish washing machine during a high temperature rinsing process during the operation of the dish washing machine. In the above state, when the user opens the door of the dishwasher, the hot steam is released between the dishwasher body and the door. The steam emitted affects the user located in front of the dishwasher. Therefore, the high temperature steam obscures the user's field of view, causes discomfort, and may cause injuries such as burns of the user.

When the door is opened during operation of the dishwasher, the present invention provides a structure for suppressing steam dissipation of a dishwasher capable of suppressing the release of high-temperature steam inside the dishwasher into a space between the main body of the dishwasher and the door. It is an object of the present invention to provide a method for suppressing steam divergence and an air curtain generator used in the vapor divergence suppression structure.

Steam dissipation suppression structure of the dishwasher according to the present invention relates to a dishwasher capable of washing dishes stored therein using the washing water, the dishwasher main body; A door to open and close the inside of the dishwasher body; And an air curtain generating unit generating an air curtain during opening and closing of the door to prevent the steam discharged between the dishwasher body and the door from being emitted to the outside.

The air curtain generating unit used in the steam dissipation suppression structure of the dishwasher according to the present invention is used in the steam dissipation suppression structure of the dishwasher, which suppresses the discharge of steam to the outside through the body and the door of the dishwasher. A fan for flowing air to generate an air curtain in the curtain generating unit; A fan motor for rotating the fan; And a duct whose outlet is formed such that the air flow generated by the fan is discharged between the main body of the dishwasher and the door.

According to an embodiment of the present invention, there is provided a method for suppressing steam diffusion of a dishwasher, the air curtain generating unit including a predetermined duct and suppressing the discharge of steam discharged between the main body and the door of the dishwasher to the outside; A dishwasher having a control unit for controlling on / off, the method comprising: opening the door; Turning on the air curtain generator by the controller; Generating an air flow by the air curtain generator; And the air flow generated by the air curtain generator is discharged between the main body of the dishwasher and the door through the duct to form an air curtain.

According to the present invention, there is provided an air curtain generating unit capable of generating an air curtain in the dish washing machine. When the door is opened or closed during operation of the dishwasher, it is possible to prevent the occurrence of discomfort or injury to the user located in front of the hot steam.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other embodiments included within the scope of other inventive inventions or the scope of the present invention can be easily made by adding, changing, or deleting other elements. I can suggest.

1 is a perspective view of a dishwasher to which the steam dissipation inhibiting structure of the dishwasher according to the present invention is applied, and FIG. 2 is a side view of the dishwasher shown in FIG.

1 and 2 together, the dishwasher 10 to which the steam dissipation inhibiting structure of the dishwasher according to the present invention is applied, the door for opening and closing the dishwasher body 11 and the inside of the dishwasher body 11. (12) is provided. In addition, the dishwasher 10 includes a dish rack 13 in which various dishes can be stored.

Although not shown in the drawings, the dishwasher main body 11 includes various parts such as a sump and a heater for washing the dishes stored in the dish rack 13.

The door 12 may be connected to a lower portion of the dishwasher main body 11 by a predetermined axis, and may perform a rotational movement at a predetermined angle about the axis. Through the rotary motion as described above, the door 12 performs a function of opening and closing the inside of the dishwasher main body 11 with respect to the outside. The door 12 may be operated by an external force of the user.

According to the present invention, the dishwasher 10 includes the air curtain generator 20. The air curtain generating unit 20 generates an air curtain when the door 12 is opened and closed, thereby suppressing the discharge of steam discharged between the dishwasher main body 11 and the door 12 to the outside. In the present embodiment, the air curtain generator 20 is disposed above the front part of the dishwasher main body 11. This will be described in detail below.

The dishwasher 10 has a process in which hot steam or high temperature washing water is present inside the dishwasher 10 during an operation process for washing the dishes stored in the dish rack 13. In particular, the dishwasher 10 contains hot steam in the dishwasher body 11 during a rinsing process. The high temperature steam or the washing water is discharged to the outside of the dishwasher 10, causing injury or discomfort to the user located in front of the dishwasher 10.

In the present invention, the air curtain generating unit 20 disposed in the dishwasher 10 operates when the door 12 is opened and closed to generate an air curtain. Therefore, by the air curtain, high temperature steam or the like that can be discharged between the dishwasher main body 11 and the door 12 is blocked, so that the high temperature steam or the like is not emitted to the outside.

In particular, according to the present embodiment, the air curtain generator 20 is disposed above the front portion of the dishwasher body 11, so that the air curtain generator 20 is below the dishwasher body 11. Raises the air curtain. Therefore, the blocking effect such as high temperature steam of the air curtain generated by the air curtain generator 20 is further increased.

Meanwhile, the dishwasher 10 may further include a predetermined controller (not shown) capable of controlling the operation of the air curtain generator 20. In this case, the controller may operate the air curtain generator 20 when the temperature inside the dishwasher 10 is equal to or greater than a predetermined reference temperature. Then, when the door 12 is opened, if the detected temperature inside the dishwasher 10 is determined to be a predetermined reference temperature (for example, 40 to 60 ℃, preferably 50 ℃) or more, the control unit May operate the air curtain generator 20.

Figure 3 is a perspective view showing a first embodiment of the air curtain generating unit used in the steam dissipation suppression structure of the dish washing machine according to the present invention, Figure 4 is a rear view of the air curtain generating unit shown in FIG.

3 and 4 together, the air curtain generating unit 20 used in the steam dissipation suppression structure of the dishwasher 10 according to the present invention and the fan 21 for flowing the air for the generation of the air curtain and And a fan motor (not shown) for rotating the fan 21 and a duct 30 through which the flowed air is discharged.

The air curtain generator 20 configured as described above forms an air curtain to suppress discharge of high temperature steam or the like that may be discharged to the outside through the dishwasher main body 11 and the door 12. .

Various kinds of fans may be used as the fan 21. In this embodiment, an axial flow fan is used as the fan 21.

The duct 30 is a portion for discharging the air flowing by the fan 21. In detail, when the door 12 is opened and closed through the duct 30, flow air is discharged between the dishwasher main body 11 and the door 12 to form an air curtain. Then, the high temperature steam or the like that can be discharged to the outside through the dishwasher main body 11 and the door 12 is blocked by the air curtain.

5 is a perspective view illustrating a second embodiment of the air curtain generating unit according to the present invention, and FIG. 6 is a vertical cross-sectional view taken along line II ′ of FIG. 5.

5 and 6 together, the air curtain generator 20 according to the present embodiment includes a fan 21 and a duct 30 through which the air flowing by the fan 21 is discharged.

In this embodiment, a cross flow fan is used as the fan 21. Then, the air curtain forming efficiency of the air curtain generating unit 20 is increased due to the characteristics of the crossflow fan capable of forming a uniform air flow in the entire portion in the longitudinal direction of the duct 30, and the structure thereof is simplified. Can be.

7 is a vertical cross-sectional view showing a duct structure applied to the air curtain generating unit according to the present invention.

Referring to FIG. 7, the duct 30 formed in the air curtain generator 20 according to the present invention includes an outlet 31 which is a passage through which air flown by the fan 21 is discharged, and the outlet 31. And a guide part 32 for guiding the flow air to the furnace.

The outlet 31 is formed downward in the distal end of the body of the duct (30). When formed as described above, the air flowing through the fan 21 may be discharged downward through the discharge port (31). Then, the air discharged as described above may be discharged between the dishwasher main body 11 and the door 12, thereby maximizing the effect of the present invention that suppresses the discharge of high temperature steam in accordance with the formation of the air curtain. .

The guide portion 32 is an intersection of the front surface and the upper surface of the distal end of the duct 30 and is rounded with a predetermined radius of curvature. When formed as described above, the air reached by the guide portion 32 after flowing by the fan 21 is directed by the guide portion 32 toward the outlet 31 without a great decrease in the wind pressure. . Therefore, the air flowing by the fan 21 can be efficiently discharged through the outlet 31, the air curtain can be formed more smoothly.

8 is a flowchart illustrating a method for suppressing steam divergence of a dish washing machine according to the present invention.

Referring to FIG. 8, the method for suppressing steam divergence of the dishwasher 10 according to the present invention includes a predetermined duct 30, and steam discharged between the main body 11 and the door 12 of the dishwasher to the outside. The present invention relates to a dish washing machine including an air curtain generating unit (20) for suppressing discharge and a control unit (not shown) for controlling on / off of the air curtain generating unit (20).

In the method of suppressing steam divergence of the dishwasher 10, the door 12 is opened (S100), the control unit turns on the air curtain generator 20 (S110), and the air curtain is generated. The unit 20 generates an air flow (S120), and the air flow generated by the air curtain generator 20 is transferred through the duct 30 to the main body 11 and the door of the dishwasher. 12) is discharged between, to form an air curtain (S130).

The step of opening the door 12 (S100) may be performed by an external force by a user or the like.

When the control unit turns on the air curtain generating unit 20 (S110), when the temperature of the internal steam is sensed by a predetermined sensor unit associated with the control unit and the temperature is higher than a predetermined reference temperature, the control unit may generate the air curtain generating unit ( Turn on 20). This will be described in detail with reference to FIG. 9.

 The step S120 of generating the air flow by the air curtain generator 20 is performed by the fan 21 provided in the air curtain generator 20. As described above, the fan 21 may be an axial flow fan, a cross flow fan, or the like.

In the step S130 of forming the air curtain, it is preferable that the outlet 31 of the duct 30 is formed below the dishwasher 10 as described above, and the air curtain is formed below the air curtain. .

FIG. 9 is a flowchart specifically illustrating an operation of turning on an air curtain generating unit by the control unit illustrated in FIG. 8.

Referring to FIG. 9, in the step S110 of controlling the air curtain generating unit 20, a predetermined sensor unit (not shown) associated with the control unit may include the main body 11 of the dish washing machine and the door 12. Sensing the temperature of the steam discharged between the step S111, determining whether the sensed temperature is higher than a predetermined reference temperature (S112), and wherein the sensed temperature is the predetermined reference temperature. If it is determined that the control unit is higher, the control unit includes the step of applying power to the air curtain generating unit (S113).

Here, the reference temperature which is the determination standard of the control unit may be in the range of 40 to 60 ℃. Preferably, the reference temperature may be substantially 50 ° C.

According to the steam divergence suppression structure of the dishwasher according to the present invention configured as described above, the steam divergence suppression method and the air curtain generating portion used in the steam divergence suppression structure, the air that can generate an air curtain in the dishwasher A curtain generating unit may be provided to generate an air curtain between the dishwasher main body and the door. Therefore, when the door is opened and closed during the operation of the dishwasher, the high temperature steam or the like inside the dishwasher may be blocked by the air curtain from being discharged between the dishwasher main body and the door. It is possible to prevent the occurrence of discomfort or injury caused by the user in front of the steam or the like.

Claims (13)

In the structure of steam dissipation suppression of the door of the dishwasher that can wash the dishes stored therein using the washing water, Dishwasher body; A door to open and close the inside of the dishwasher body; And And an air curtain generating unit which generates an air curtain during opening and closing of the door to prevent the steam discharged between the dishwasher main body and the door from being emitted to the outside. . The method of claim 1, The air curtain generating unit is a steam dissipation inhibiting structure of the dishwasher, characterized in that disposed on the upper side of the front of the dishwasher body. The method of claim 2, And the air curtain generator generates an air curtain under the dishwasher body. The method of claim 1, The dishwasher further includes a controller, wherein the controller operates the air curtain generator when the steam discharged between the dishwasher main body and the door is higher than a predetermined reference temperature. . The method of claim 4, wherein The reference temperature is in the range of 40 to 60 ℃ steam dissipation inhibiting structure of the dishwasher. In the air curtain generating unit used in the steam dissipation suppression structure of the dishwasher to suppress the discharge of steam to the outside through the body and the door of the dishwasher, A fan for flowing air to generate an air curtain in the air curtain generator; A fan motor for rotating the fan; And And a duct whose outlet is formed such that the air flow generated by the fan is discharged between the main body of the dishwasher and the door. The method of claim 6, The fan is an air curtain generating unit, characterized in that any one of an axial flow fan (axial flow fan) and a cross flow fan (cross flow fan). The method of claim 6, The outlet of the duct is an air curtain generating unit, characterized in that formed below the main body of the dishwasher. The method of claim 6, And the duct has a guide portion for guiding the air flowing by the fan toward the discharge port at the front portion thereof. An air curtain generating unit having a predetermined duct and suppressing the discharge of steam discharged between the main body and the door of the dishwasher to the outside, and a control unit for controlling the on / off (off) of the air curtain generating unit In the steam divergence suppression method of the dishwasher provided, Opening the door; Turning on the air curtain generator by the controller; Generating an air flow by the air curtain generator; And The air flow generated by the air curtain generating unit is discharged between the main body and the door of the dishwasher through the duct, the air curtain is formed; comprising a method for suppressing steam divergence of the dishwasher. The method of claim 10, The step of turning on the air curtain generating unit by the control unit Sensing a temperature of steam discharged between a main body of the dishwasher and the door by a predetermined sensor unit; Determining, by the controller, whether the sensed temperature is higher than a predetermined reference temperature; And if the control unit determines that the sensed temperature is higher than the predetermined reference temperature, the control unit applies power to the air curtain generating unit. The method of claim 10, And generating the air flow by the air curtain generator is performed by one of an axial flow fan and a cross flow fan provided in the air curtain generator. The method of claim 10, Wherein the air curtain is formed, the outlet of the duct is formed below the dishwasher, the air curtain suppression method of steam dispersing, characterized in that the air curtain is formed below.

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