KR20050054698A - Tableware washer - Google Patents

Abstract

The present invention relates to a dishwasher, comprising: a washing body for forming a washing space having a front surface opened therein; A door for opening and closing the front opening of the cleaning body; A first inlet for sucking air in the washing body, a second inlet for sucking air outside the washing body, and an outlet for discharging air sucked through the first inlet and the second inlet; A housing interposed between the outer and inner plates of the door; A suction fan rotatably disposed in the housing and configured to discharge air sucked through the first suction hole and the second suction hole through the discharge hole; One side is connected to each other in communication with the outlet and the other side is extended to the lower side of the door and the hot and humid air sucked through the first suction port and the relatively low temperature dry air sucked through the second suction port is in contact with each other Condensation ducts which are condensed to separate moisture from the air and are discharged into the air and condensate; It is disposed on the lower side of the condensation duct is characterized in that it comprises a collecting unit for collecting the condensed water dropped from the condensation duct to be returned to the interior of the washing body. As a result, a dishwasher which is easy to manufacture and which has low wind pressure loss can reduce the capacity of the fan.

Description

Dishwasher {TABLEWARE WASHER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher, and more particularly, to a dishwasher, which is easy to manufacture and has a low wind pressure loss, so that the capacity of the fan can be reduced.

1 is a schematic side cross-sectional view of a conventional dishwasher, and FIG. 2 is a perspective view of the condensation duct of FIG. 1. As shown in these figures, the dishwasher includes a washing main body 111 that forms a washing space having a front opening therein, and a door 121 that opens and closes the front opening of the washing main body 111.

The inside of the washing body 111 is provided with a rack (not shown) in which the dishes to be washed are stored, and the water is sprayed on the upper or lower sides of the racks spaced apart from each other along the up and down direction of the washing body 111. Injection nozzles (not shown) are arranged to allow the use.

On the other hand, the side of the washing main body 111 is provided with a suction duct 113 so as to suck the air outside the washing main body 111 during drying, the door 121, the air inside the drying of the tableware Condensation duct 130 is provided to suck the condensate to be discharged to the outside.

The door 121 is provided with the outer plate 122 which forms an external appearance, and the inner plate 123 arrange | positioned inside the outer plate 122. As shown in FIG. An inlet 125 is formed in the upper region of the inner plate 123 so as to suck air in the washing space, and the inlet 125 is provided with an opening and closing member 127 to open and close the inlet 125. .

A suction fan 129 is provided between the inner plate 123 and the outer plate 122 so as to suck high temperature and high humidity air in the washing space when drying the washed dishes. Condensation duct 130 is disposed along the vertical direction so that the air sucked by the fan 129 can be condensed while flowing.

The condensation duct 130 is formed to form a curved flow path in the up and down direction so that the air can be condensed as air flows inside the synthetic resin member, and the moisture in the condensed air moves along the flow path in the lower region. The bent condensate separator 131 is formed to be separated from. A condensate outlet 133 is formed at the bottom of the condensate separator 131 to allow the condensed water separated from the air to be returned to the inside of the washing main body 111. An air outlet 132 is formed.

By the way, in the conventional dishwasher, not only the separate suction duct 113 to be installed on the side wall of the washing main body 111, but also the high temperature and high humidity introduced into the condensation duct 130. As the air flows, a curved flow path is formed to form condensation and a condensed water separator 131 is formed at the lower portion thereof, so that the production of the condensation duct 130 is not easy, and the flow resistance of the air is increased. Therefore, there is a problem that the suction fan 129 having a relatively large capacity is required because the wind pressure loss is large.

Accordingly, an object of the present invention is to provide a dishwasher which is easy to manufacture and has a low wind pressure loss, which can reduce the capacity of the fan.

The object is, according to the present invention, the washing body to form a washing space with a front opening therein; A door for opening and closing the front opening of the cleaning body; A first inlet for sucking air in the washing body, a second inlet for sucking air outside the washing body, and an outlet for discharging air sucked through the first inlet and the second inlet; A housing interposed between the outer and inner plates of the door; A suction fan rotatably disposed in the housing and configured to discharge air sucked through the first suction hole and the second suction hole through the discharge hole; One side is connected to each other in communication with the outlet and the other side is extended to the lower side of the door and the hot and humid air sucked through the first suction port and the relatively low temperature dry air sucked through the second suction port is in contact with each other Condensation ducts which are condensed to separate moisture from the air and are discharged into the air and condensate; Is disposed below the condensation duct is achieved by a dishwasher comprising a collecting unit for collecting the condensate dropped from the condensation duct to be returned to the interior of the washing body.

Here, the water collecting part may be formed to be bent upward so as to protrude forward from the tub of the washing body and to accommodate the lower one area of the door.

The door may be effectively installed to be spaced upward from the water collecting portion so that the condensed water collected in the water collecting portion flows into the washing body.

The lower end of the condensation duct is preferably bent toward the inner plate so that the condensate and air can be discharged to the lower edge of the inner plate of the door.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

3 is a perspective view of the dishwasher according to one embodiment of the present invention, FIG. 4 is a perspective view of the outer plate of the door of FIG. 3, FIG. 5 is a longitudinal cross-sectional view of the door area of FIG. 3, and FIG. 6 is of FIG. 4. FIG. 7 is a plan sectional view taken along line VI-VI, and FIG. 7 is a view for explaining the action of the condensation duct of FIG. As shown in these figures, the dishwasher includes a washing main body 11 that forms a washing space with a front opening therein, a door 21 that opens and closes the front opening of the washing main body 11, and a washing main body. The first suction port 26 for sucking the air in the inside of the 11 and the second suction hole 27 for sucking the air from the outside of the cleaning main body 11, the first suction hole 26, and the second suction hole 27. A housing 25 coupled to the door 21 having an outlet 28 through which air sucked in is discharged, a suction fan 31 rotatably disposed inside the housing 25, and one side of the housing 25. It is connected to the outlet 28 of the 25 and the other side is condensation duct 33 which extends downward, condensation duct 33 is disposed below the condensation duct 33 to collect the condensate falling from the condensation duct 33 to wash the main body 11 It is configured to include a collecting part 35 to return to the inside of.

The cleaning main body 11 includes a case 12 forming an exterior and a tub 13 arranged to form a washing space in the case 12.

The door 21 is composed of an outer plate 22 forming an exterior and an inner plate 23 integrally coupled to the inside of the outer plate 22 to form a closed washing space together with the tub 13.

In the upper region between the outer plate 22 and the inner plate 23, the first suction port 26 which is in communication with the washing space, the second suction port 27 so as to suck the air from the outside of the cleaning main body 11, The housing 25 in which the discharge port 28 which discharges the air sucked through the 1st suction opening 26 and the 2nd suction opening 27 is formed is arrange | positioned. The suction fan 31 is rotatably received in the housing 25 so as to suck air through the first suction hole 26 and the second suction hole 27 and discharge the discharge air through the discharge hole 28. The suction port 26 is provided with an opening / closing member 30 arranged to be movable along the rotation axis direction of the suction fan 31 to open and close the first suction port 26. One side of the opening and closing member 30 is provided with an opening and closing member driver 36 for opening and closing the opening and closing member 30 to the first suction opening 26 to open and close the first suction opening 26, the suction fan ( The drive motor 32 is rotatably coupled to the rotary shaft 34 of the 31 to allow the suction fan 31 to be driven in rotation.

One side of the housing 25 is in communication with the discharge port 28 and the other side is installed to extend downward along the up and down direction, the high temperature and high humidity air of the washing space sucked by the suction fan 31, and the relative temperature and Condensation duct 33 is provided so that the moisture in the air is condensed as the air outside the washing main body 11 having low humidity is heat-exchanged with each other and separated into dry-cooled air and condensed water. The condensation duct 33 forms an almost linear flow path so as to reduce the flow resistance of the air flowing therein, and is bent to correspond to the shape of the inner plate 23. The lower end of the condensation duct 33 The cool air and the condensed water separated from each other toward the lower edge of the inner plate 23 formed to be inclined toward the cleaning main body 11 is bent to be formed to be inclined toward the inner plate 23.

Meanwhile, the lower side of the door 21 protrudes forward from the tub 13 of the cleaning main body 11 so as to collect the condensed water falling from the condensation duct 33 and accommodates a lower area of the door 21. The water collecting part 35 is bent upward so as to extend along the width direction of the door 21. A predetermined gap is formed between the door 21 and the water collecting part 35 to allow the collected condensed water to flow into the washing body 11.

By this configuration, when the washing and rinsing of the dishes is completed and the drying stroke of the dishes is started, the opening and closing member 30 is moved to open the first suction port 26. When the suction fan 31 starts to rotate, the hot and humid air of the washing space is sucked through the first suction opening 26 and air outside the washing space having a relatively low temperature and humidity is sucked through the second suction opening 27. Is inhaled. The sucked air is mixed at the outlet 28 and flows into the condensation duct 33, and is mixed and heat-exchanged with each other while flowing downward along the condensation duct 33 to condense and separate water from the air. Dry-cooled air discharged to the lower portion of the condensation duct 33 is reflected by the collecting portion 35 and discharged to the outside of the cleaning main body 11, as indicated by the dotted arrow of FIG. 7, and the condensate water is solid line of FIG. 7. As shown by the arrow, it is collected by the water collecting unit 35 and flows into the cleaning main body 11 through the gap between the door 21 and the water collecting unit 35.

As described above, according to the present invention, a cleaning body and the door, a housing disposed in the door to suck the air in the cleaning space and the outside of the cleaning body, respectively, one side is connected to the housing and the other side is extended downward The condensation duct is condensed by mixing and heat-exchanging the air in the washing space and the outside of the washing space with each other. By providing a water collecting unit, the air inside the washing space and the outside air are condensed by heat exchange with each other, thereby simplifying the shape of the condensation duct, making it easy to manufacture, and reducing the flow resistance of the air. A dishwasher capable of reducing capacity and reducing power consumption is provided.

1 is a schematic side cross-sectional view of a conventional dishwasher,

Figure 2 is a perspective view of the condensation duct of Figure 1,

3 is a perspective view of a dish washer according to one embodiment of the present invention;

4 is a perspective view of removing the outer plate of the door of FIG.

5 is a longitudinal sectional view of the door area of FIG. 3;

6 is a plan sectional view taken along line VI-VI of FIG. 4;

7 is a view for explaining the operation of the condensation duct of FIG.

Explanation of symbols on the main parts of the drawings

11: cleaning body 13: tub

21: door 22: outer plate

23: inner plate 25: housing

26: first inlet 27: second inlet

28: outlet 30: opening and closing member

31: suction fan 33: condensation duct

35: catchment

Claims (4)

A washing main body for forming a washing space having a front surface opened therein; A door for opening and closing the front opening of the cleaning body; A first inlet for sucking air in the washing body, a second inlet for sucking air outside the washing body, and an outlet for discharging air sucked through the first inlet and the second inlet; A housing interposed between the outer and inner plates of the door; A suction fan rotatably disposed in the housing and configured to discharge air sucked through the first suction hole and the second suction hole through the discharge hole; One side is connected to each other in communication with the outlet and the other side is extended to the lower side of the door and the hot and humid air sucked through the first suction port and the relatively low temperature dry air sucked through the second suction port is in contact with each other Condensation ducts which are condensed to separate moisture from the air and are discharged into the air and condensate; And a water collecting unit disposed under the condensation duct to collect condensed water dropped from the condensation duct and return to the inside of the washing body. The method of claim 1, And the water collecting portion protrudes forward from the tub of the washing body and is bent upward to accommodate a lower area of the door. The method of claim 2, The door is dishwasher, characterized in that the condensed water collected in the water collecting portion is installed to be spaced apart upwardly with a predetermined gap from the water collecting portion so as to flow into the interior of the washing body. The method according to any one of claims 1 to 3, And a lower end of the condensation duct is bent toward the inner plate so that the condensed water and air can be discharged to the lower edge of the inner plate of the door.