KR20070007547A - A condensing apparatus of a dish washer - Google Patents

Abstract

A condensing device of a dish washer is provided to filter water in humid exhaust air and prevent the humid air from being directly discharged to the outside, to protect a user from hot steam by quickly converting steam in a tub into condensate while discharging the steam, and to prevent indoor air from being humid by gathering condensate into an air duct and inflowing into the tub again. A condensing device of a dish washer comprises: a blower(210) mounted on the front side of a door liner to suck air in a tub; an air duct(200) combined with the front side of the blower on the upper side; a fan mounted in the blower to suck air in the tub; a condensing fan(240) integrally combined with the fan and mounted at the front side of the blower so as to send cold air to lower temperature of the air duct; an insulating member(250) surrounding the outer side of the air duct; and a jetting nozzle(260) formed at a discharging unit(202) of the air duct as a discharge path of air moved along the air duct.

Description

A condensing apparatus of a dish washer

1 is a perspective view schematically showing a dish washer equipped with a conventional general air duct.

Figure 2 is a perspective view showing a conventional air duct.

3 is a cross-sectional view showing a dish washer provided with an air duct structure according to the spirit of the present invention.

Figure 4 is a perspective view showing a front portion of the dishwasher equipped with an air duct according to the spirit of the present invention.

5 is a front view showing a condensation device having an air duct according to the spirit of the present invention.

6 is a perspective view showing an air duct according to the spirit of the present invention.

7 is a front perspective view of a blower engaged with the air duct.

8 is a rear perspective view of the blower.

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

100: dishwasher 110: tub 120: upper rack

130: lower rack 140: water guide 150: upper nozzle

160: lower nozzle 170: sump 180: washing pump

190: washing motor 200: air duct 210: blower

220: fan motor 230: drying fan 240: condensation fan

250: heat insulating member 260: spray nozzle

The present invention relates to a dishwasher, and more particularly, when the hot steam generated in the drying process is discharged to the outside, the hot dish steam is quickly condensed and the hot and humid humid air to prevent the direct outflow of the outside Of the condensation unit.

In general, the dishwasher is a home appliance that functions to wash and dry the dishes mounted on each rack by spraying the washing water moved by the washing pump to the upper rack and the lower rack through a spray nozzle.

1 is a perspective view schematically showing a conventional dishwasher equipped with a conventional air duct, Figure 2 is a perspective view showing a conventional air duct.

1 and 2, a general conventional dishwasher 10 includes a tub 11, a top cover 13 covering an upper portion of the dishwasher, and a washing tank positioned at a front portion of the tub 11. The door 12 is opened and closed.

In detail, the door 12 is provided above the front part, and the humid air outlet 14 for discharging the humid air of the high temperature and high humidity state, which has undergone the drying step, and the operation of the cleaner 10 are turned on and off. -Off operation unit 16, the display unit 15 indicating the operating state of the dishwasher 10 and the handle 17 for holding the user to open and close the door is formed.

In addition, looking at the air duct structure that is connected to the wet air outlet 14 located in the front portion of the door, the air duct is located on the upper side of the dishwasher. In detail, it is attached between the door liner 20 forming the door and a door cabinet (not shown) covering the door liner.

In addition, the air duct is a drying fan 22 for sucking the wet air existing in the washing tank of the washing machine 10 and the wet air discharge pipe 21 for discharging the wet air sucked by the drying fan 22 to the outside. Is done.

Hereinafter, the operation of the air duct, when the drying step is finished, the drying fan 22 is operated to suck the humid air inside the washing tank. In addition, the wet air in a high temperature and high humidity state sucked by the drying fan 22 is moved to the wet air discharge pipe 21 in communication with the drying fan 22. Then, the wet air moved to the wet air discharge pipe 21 is discharged into the room through the wet air outlet 14 formed in the front of the door.

In the air duct structure of the general dish washer as described above, the wet air discharge pipe is mounted on the upper side of the door of the washer, the wet air outlet is also formed on the upper side of the door. Therefore, there is a problem that the humid air in a high temperature and high humidity state is discharged directly into the room.

In addition, there is a problem that the hot air in the hot and humid state is directly discharged to the user because it is directly discharged into the room.

In addition, as the humid air is discharged into the room, the wallpaper or wood in the room is corroded, and water also collects on the floor.

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide an air duct structure that filters the moisture in the discharged wet air and prevents the wet air from being discharged directly to the outside.

In addition, an object of the present invention is to provide an air duct structure that prevents a user from being burned due to high temperature steam by being quickly converted into condensed water in the process of discharging steam inside the tub.

In addition, an object of the present invention is to provide an air duct structure in which condensed water condensed in the process of discharging the steam inside the tub is collected in the air duct and introduced again into the tub, thereby preventing the indoor air from becoming wet.

Condensing device of the dishwasher according to the present invention comprises a door liner; A blower mounted to the door liner and including a drying fan mounted therein to suck wet steam present in the tub, and a condensation fan mounted to the front to blow cold air; An air duct connected to the blower to flow the wet steam; And an insulating member surrounding the air duct.

By the above structure, the hot and humid steam exiting the tub is rapidly cooled, and the condensed water generated during the cooling process is re-introduced into the tub, thereby preventing the user from being burned and the damping of indoor air. It works.

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.

3 is a cross-sectional view illustrating a dish washer having an air duct structure according to the inventive concept.

Referring to FIG. 3, the dishwasher 100 having an air duct structure according to the present invention has an outer shape, a tub 110 having a dish washing tank formed therein, and formed on a front surface of the tub 110. Door 113 for opening and closing the jaw jaw, and the sump 170 is formed in the center of the bottom surface of the tub 110, the washing water is stored.

In detail, the door 113 includes a door cabinet 111 forming an appearance and a door liner 112 mounted on a rear surface of the door cabinet 111. In addition, an air duct (to be described later) according to the present invention is mounted between the door cabinet 111 and the door liner 112.

In addition, the washing pump 180 is formed inside the sump 170 to pump the washing water stored in the sump 170 to a high pressure, and attached to the lower side of the washing pump 180 to the washing pump 180 A driving washing motor 190 is included.

In addition, the water guide 140 and the upper surface of the sump 170, which is a path for the washing water pumped from the washing pump 180 is moved, formed on the bottom of the washing tank to spray the washing water upwards A lower nozzle 160 and an upper nozzle 150 attached to an upper portion of the water guide 140 and extending in a vertical direction from the water guide 140 and positioned at a central portion of the washing tank, It is formed on the ceiling includes a top nozzle 155 for spraying the washing water vertically downward.

In addition, the upper rack 120 is mounted on the upper side of the upper nozzle 150 so that the dishes are washed by the upper nozzle 150, and the lower nozzle 160 so that the dishes are washed by the lower nozzle 160. Lower rack 130 is mounted to the upper side of the) is included. In addition, a drain hose 300 mounted on one side of the sump 170 and connected to a drain pump (not shown) to discharge the dirty washing water to the outside during the washing process, and the drain hose 300 In order to prevent detachment by force, a fixing holder 200 is further inserted into the rear wall of the base provided below the tub 110.

In detail, the upper rack 120 is supported by a rail (not shown) provided on the inner surface of the tub 110, and performs the front and rear movement.

Hereinafter will be described the operation of the dishwasher 100 according to the present invention.

First, the user opens the door 111 of the dishwasher 100 and pulls the upper rack 120 and / or lower rack 130 to the outside of the washing tank. Then, the table 120 is accommodated in the table. Then, the door 111 is closed and power is applied to the dishwasher.

On the other hand, when power is applied to the dishwasher 100 and the washing step is performed, the washing water flowing from the water source is introduced into the sump 170. Then, after a certain amount of washing water flows into the sump, the washing motor 190 is operated. The impeller (not shown) connected to the motor shaft of the washing motor 190 and rotated in the washing pump 180 rotates the washing water to the lower nozzle 160 and the water guide 140. Pumped.

In addition, the wash water pumped to the water guide 140 is finally moved to the top nozzle 155, the upper nozzle 150 is injected into the washing tank. In addition, the dishes stored in the racks 120 and 130 are washed by the sprayed washing water.

Here, the top nozzle 155 sprays the washing water vertically downward, and the upper nozzle 150 sprays the washing water vertically upward, thereby washing the dishes stored in the upper rack 120.

In addition, the lower nozzle 160 is sprayed the washing water vertically upward, the dishes stored in the lower rack 130 is washed. In addition, by forming an injection hole in the bottom surface of the upper nozzle 150, the washing water is sprayed in both the up and down directions, it can be configured to simultaneously wash the upper side of the tableware accommodated in the lower rack (130).

In addition, when the washing step is completed, the dirty washing water collected in the sump 170 is filtered by a filter (not shown). In addition, the washing water filtered with foreign matter is discharged to the outside of the dishwasher 100 through a drain pump (not shown).

In addition, when the washing water is discharged to the outside, clean washing water is introduced into the sump 170 again through an inlet, and sprayed through the spray nozzles 150 and 160 in the same manner as the washing step. The dishware is rinsed by the sprayed clean water.

In addition, when the rinsing step is completed, by going through the drying step, the washing operation is completed. Here, in the drying step, the hot air is introduced into the tub 110 to absorb moisture contained in the dish. Therefore, the air in the tub 110 is converted from the high temperature dry state to the high temperature and high humidity state. In addition, the air of the high temperature and high humidity is discharged to the outside of the tub through an air duct (not shown) attached to the front of the door liner 112. Here, the process of discharging the wet steam through the air duct will be described later with reference to the drawings.

Figure 4 is a perspective view showing a front portion of the dishwasher equipped with an air duct according to the spirit of the present invention.

Referring to FIG. 4, the air duct 200 according to the present invention is mounted on the front surface of the door lighter 112 and protected by the door cabinet 111. And, according to the present invention, the heat insulating member 250 surrounding the air duct 200 is installed.

In detail, a blower 210 for discharging the wet steam in the tub 110 into the air duct 200 is mounted at an upper side of the door liner 112, and the blower 210 and the air duct ( 200) is connected. Accordingly, the wet steam sucked by the blower 210 flows along the air duct 200. In addition, a condenser fan 240 for blowing cold air is mounted on the front part of the blower 210 to lower the temperature of the wet steam flowing through the air duct 200. In addition, the lower end of the air duct 200 is equipped with a wet air absorber 115 so that the low-temperature air exiting the air duct 200 is mounted, the wet air absorber 115 is the door liner 112 It is supported by a barracks 114 that connects both sides of the front portion. Here, the wet air absorber 115 may be a porous member such as a sponge.

By the above configuration, the wet air leaving the tub 110 in the drying process flows along the blower 210 and the air duct 200. The condensed air condensed while exiting the lower end of the air duct 200 is filtered again while passing through the wet air absorber 115. In other words, the condensed air exiting the air duct 200 is dispersed while passing through the wet air absorber 115, and is ejected to the lower side of the dishwasher 100. Therefore, the user may not directly feel the air exiting the air duct 200.

On the other hand, according to the present invention, the air duct 200 is wrapped by the heat insulating member 250. Then, the heat inside the tub 110 may be prevented from being transferred to the air duct 200. Therefore, there is an advantage that the steam flowing in the air duct 200 can be condensed more efficiently.

5 is a view showing a condensation device having an air duct according to the spirit of the present invention.

Referring to FIG. 5, a condenser of the dish washing machine according to the present invention is mounted to the front part of the door liner 112, and includes a blower 210 that sucks air in the tub 110, and the blower 210. An air duct 200 is coupled to the upper side of the front portion. In addition, a fan (to be described later) is installed in the blower 240 to suck air in the tub 110. In addition, a condensation fan 240 that blows cold air in order to lower the temperature of the air duct 200 is integrally coupled with the fan, and is mounted on the front portion of the blower 240. In addition, according to the present invention, the outside of the air duct 200 is wrapped by the heat insulating member 250.

In detail, the air duct 200 forms a meander line that is bent a plurality of times as shown, so that a flow path of air flowing inside the air duct 200 is long. In addition, a condensate discharge hole 201 for discharging the condensed water cooled while flowing inside the air duct 200 and a steam for discharging air flowing along the air duct 200 are provided at a lower end of the air duct 200. A discharge part 202 is included. In addition, the discharge part 202 is formed with a spray nozzle 260 that serves as a discharge path of air flowing along the air duct 200. Due to the formation of the injection nozzle 260, the air can be discharged smoothly.

By the above configuration, the hot and humid air present in the tub 110 is sucked by the blower 210 and flows into the air duct 200. In addition, the hot and humid air flows along the air duct 200 to exchange heat with cold air supplied due to the rotation of the condensation fan 240. Then, water vapor is condensed through the heat exchange, and the condensate is reintroduced into the tub 110 through the condensate discharge hole 201. In addition, the air is discharged to the outside through the injection nozzle 260.

Here, since the air duct 200 is wrapped by the heat insulating member 250, the heat of the tub 110 is not transmitted to the air duct 200, so that condensation is smoothly performed in the air duct 200. Can be done.

In this embodiment, since the air duct 200 forms a meander line, in order to increase the effect of the heat blocking as described above, it is preferable that the heat insulating member 250 forms a shape surrounding the meander line. .

6 is a perspective view illustrating an air duct according to the spirit of the present invention, FIG. 7 is a front perspective view of a blower coupled to the air duct, and FIG. 8 is a rear perspective view of the blower.

6 to 8, the air duct 200 according to the present invention includes a wet steam inlet 204 for allowing the wet steam provided from the blower 210 to the upper side, and the wet steam inlet 204. The steam flow path 207 through which the wet steam flowed through is included.

In detail, as described above, the vapor flow path 207 is alternately formed with the bent portion 205 and the straight portion 206, thereby forming a meander line. Therefore, the time for the wet steam to stay inside the steam passage 207 becomes long. In addition, the wet steam flows along the steam passage 207 to receive flow resistance, and the heat resistance increases by contacting the inner circumferential surface of the air duct 200 by the flow resistance.

In addition, the steam passage 207 is formed with a jaw protruding to a predetermined height on the bottom surface. In detail, the jaw condensed water stopper 203 protrudes at a predetermined height from the bottom of the point where the straight portion 206 ends and the curved portion 205 starts, or protrudes at a predetermined height from the predetermined point of the straight portion 206. ) Is formed. In addition, since the condensed water catching jaw 203 is formed, the condensed water generated in the process of flowing inside the air duct 200 accumulates on the bottom of the air duct 200 by the catching jaw 203.

In addition, the steam outlet 202 formed at the end of the air duct 200 is formed in the vertical direction, the bent portion and the steam outlet 202 at the point where the condensate discharge hole 201 is formed is started The straight portion connecting the bent portion of the point is formed to be inclined at a predetermined angle. In detail, the bent portion at the point where the condensate discharge hole 201 is formed is formed to be lower than the bent portion at the point where the steam outlet 202 starts. Therefore, condensate flowing along the air duct 200 finally flows into the tub 110 through the condensate discharge hole 201. In addition, the end of the steam outlet 202 is divided into both sides, the steam discharged from the air duct 200 is configured to pass through the wet air absorbing material (115).

On the other hand, the blower 210 for blowing the wet steam into the air duct 200 is equipped with a drying fan 230 therein, a drive motor 220 for driving the drying fan 230 in the front portion is mounted. do. In addition, a condensation fan 240 for blowing cold air is mounted on the front portion of the drive motor 220 to cool the wet steam flowing through the air duct 200. In addition, the condensation fan 240 is connected to the rotating shaft of the drying fan 230, so that the drying fan 230 and the condensation fan 240 rotate together. In addition, the drying fan 230 and the condensation fan 240 is preferably a cross flow fan that sucks wind in the axial direction and discharges in the radial direction.

In addition, a wet steam discharge port 211 is formed on the front surface of the blower 210 to be connected to the wet steam inlet hole 204 of the air duct 200, and the back surface of the wet steam for sucking the wet steam inside the tub 110. Inlet 212 is formed.

By the above configuration, in the drying step, when the drying fan 230 and the condensation fan 240 is driven, the wet steam in the tub 110 is discharged through the wet steam inlet 212. The wet steam is discharged into the wet steam outlet 211 and introduced into the air duct 200. In addition, the wet steam introduced into the air duct 200 is condensed by heat exchange with cold air provided by the rotation of the condensation fan 240.

As described above, the steam flow path of the air duct 200 has a serpentine curve shape, and the condensation fan 240 is mounted on the front surface of the blower 210, so that the high temperature and high humidity air inside the tub 110 is short. There is an advantage to cooling.

By the condensation apparatus of the dishwasher according to the present invention having the configuration as described above, there is an effect that the high temperature and high humidity vapor generated in the drying process is quickly condensed.

In addition, by rapidly condensing the hot and humid steam generated in the drying process, since the hot air is not discharged to the outside of the washing machine, there is an effect of eliminating the possibility of a user getting burned.

In addition, the condensed water condensed while flowing inside the air duct according to the present invention is returned to the inside of the tub, there is an effect that the phenomenon that the steam is accumulated on the indoor floor is removed.

Further, according to the present invention, the air duct is wrapped by the heat insulating member, so that heat inside the tub can be prevented from being transferred to the air duct. Therefore, there is an effect that the steam flowing inside the air duct can be condensed more efficiently.

Claims (5)

Door liners; A blower mounted to the door liner and including a drying fan mounted therein to suck wet steam present in the tub, and a condensation fan mounted to the front to blow cold air; An air duct connected to the blower to flow the wet steam; And And a heat insulation member surrounding the air duct. The method of claim 1, Condensing apparatus of the dishwasher, characterized in that the air duct is formed with a spray nozzle. The method of claim 2, The spray nozzle is a condenser of the dishwasher, characterized in that formed in the distal end of the air duct. The method of claim 1, The air duct is a condenser of the dishwasher, characterized in that to form a meander line (meander line). The method of claim 4, wherein The insulation member is wrapped in the meander line, characterized in that the dishwasher condenser.

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