JPH0852103A - Dish washer - Google Patents

Abstract

PURPOSE:To provide a dish washer such that even when it is installed so as to be engaged in a drainboard, wet air ejected from a vent of an exhaust path is not allowed to contact the top of the counter of the drainboard, so that dew condensation of the portion can be prevented. CONSTITUTION:A dish washer washes tableware M in a washing room 2 by water spouted from nozzles and ejects wet air in the washing room 2 to the outside from an exhaust path 5 by a fan 8 when the tableware M is dried. An air ejection outlet 76 formed in a portion adjacent to the upper part of a vent 52 and a fan for supplying air to the air ejection outlet 76 are provided and the fan is operated when the tableware is dried.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher of the type provided with an exhaust passage for discharging wet air when drying dishes, and more particularly to a wall near the exhaust port where the humid air discharged from the exhaust passage when drying dish is The present invention relates to a dishwasher that prevents the occurrence of dew condensation by coming into contact with.

[0002]

2. Description of the Related Art As a dishwasher as shown in FIG. 4, there is a type in which dishware (M) contained in a washing room (2) is washed with water jetted from a nozzle. Is equipped with nozzles (60) (60) for spraying cleaning water in the cleaning chamber (2) whose front opening is opened and closed by the door (3) and at the bottom of the cleaning chamber (2). Is a water tank (2
3) has been formed. Also, on the back side of the bottom wall of the cleaning room (2),
A heater (20) for raising the cleaning power by raising the cleaning water in the water storage tank (23) to a predetermined temperature is additionally provided. Furthermore, an exhaust passage (5) is provided between the ceiling wall (2b) and the top plate (1a) of the casing (1) to discharge wet air from the washing chamber (2) to the outside when the dishes are dried after the washing operation. In addition, an air supply passage (83) having a fan (80) for supplying external air to the washing room (2) when the dishes are dried is provided, and the exhaust passage (5) and the air supply passage ( 83) is provided at a position shifted in the lateral direction (the direction perpendicular to the paper surface in FIG. 4) when viewed from the front.

In this type of washing machine, when the dishes (M) are stored in the washing room (2) and the washing operation is performed, the water tank (2
The hot water stored in 3) and heated to a predetermined temperature by the heater (20) is ejected from the nozzles (60) (60) to wash the dishes (M). Then, when the cleaning operation is completed, the fan (80) and the drying heater (81) subsequently start operating to supply hot air into the cleaning chamber (2) to heat and dry the dishes (M) (M). While doing so, the humid air in the cleaning chamber (2) is discharged from the exhaust passage (5) to the outside of the machine through the exhaust port (52).

However, this kind of dishwasher is often installed by being fitted in the sink of the system kitchen, and in such a case, it goes through the exhaust passage (5) and the exhaust port.
There was a problem that the moist air discharged from (52) came into contact with the front edge (K ₁ ) of the countertop (K) in the sink, and condensed water was generated at that portion. The above problems will be described in more detail.

The moist air discharged from the exhaust passage (5) is hot and humid. Therefore, this humid air is
(5) When discharged from the exhaust port (52) at the downstream end, this rises in the atmosphere and protrudes above the equipment.
It contacts the front edge (K ₁ ) of (K), and is thereby cooled and condensed to generate condensed water (W) at the contact portion. The present invention has been made in view of the above points, "washing the dishes (M) stored in the washing chamber (2) with the water jetted from the nozzle,
When the dishes are dried, the fan (80) is used to discharge the moist air in the washing room (2) to the outside through the exhaust passage (5).
In a dishwasher with the exhaust port (52) located at the downstream end of (5) located in the upper part of the front surface of the appliance body, even when the dishwasher is installed in a sink, the exhaust passage
It is an object of the present invention to prevent the inconvenience of dew condensation at the portion by preventing the moist air discharged from the exhaust port (52) of (5) from contacting the countertop (K) of the sink.

[0006]

[Technical Means] The technical means of the present invention taken to solve the above-mentioned problems are as follows: "An air jet (76) formed in a portion adjacent to and above an exhaust port (52) and the air jet (76). 76) is provided with a blower fan for supplying air, and the blower fan is operated when the dishes are dried ”.

[0007]

The above technical means operates as follows. An air outlet (7
6) is formed, and the air from the blower fan is ejected from the air ejection port (76) when the dishes are dried. Therefore, the air ejected from the air ejection port (76) is ejected in such a manner as to make a boundary contact with the moist air emitted from the exhaust port (52) adjacent to the air ejection port (76) below, whereby the former air moves above the moist air. From above to suppress the upward movement of the moist air. Therefore, even if the dishwasher is installed in the space below the counter top (K) in the sink of the system kitchen, the humid air from the exhaust port (52) projects above it. )
It becomes difficult to contact the front edge (K ₁ ) of the.

[0008]

[Effect] The present invention has the following unique effects. Even if the dishwasher is installed so that it fits into the space below the countertop (K) in the sink of the system kitchen, the exhaust port (5
Since the moist air emitted from 2) does not easily come into contact with the leading edge (K ₁ ) of the countertop (K) protruding above it, it becomes difficult for condensation to form on the countertop (K).

[0009]

Embodiments of the present invention described above will now be described in detail with reference to the drawings. As shown in Figures 1-2, casing (1)
A washing chamber (2) is formed inside, and the front opening of the washing chamber (2) is a door that swings up and down about a shaft support (30) to open and close.
It is blocked at (3).

Rails (R) (R) above and below the cleaning chamber (2)
Below the rack (4) (4) that is supported by the
Nozzle arms (6) (6) for ejecting cleaning water are separately arranged. A water supply pipe (63) is connected to each of the nozzle arms (6) (6), and the water supply pipe (63)
The discharge part of the cleaning pump (62) is connected to the upstream end of the. Further, the suction side of the washing pump (62) is connected to the inside of the water storage tank (23) via the filtration container (7), and further, the heater (20) is provided in the water storage tank (23). .

Also, in order to supply drying air, a cleaning chamber
The downstream end of the air supply duct (89) is connected to the back wall (27) of (2), and the upstream end of the air supply duct (89) is connected to one outlet of the fan (80). ing. Further, an air ejection duct (77) is connected to the other outlet of the fan (80),
The air jet (7) located at the downstream end of the air jet duct (77)
6) is located at the upper front of the casing (1). Therefore, in this embodiment, the discharge air from the single fan (80) is supplied to both the cleaning chamber (2) and the air outlet (76), and the cleaning chamber (2) is supplied with air. The fan (80) is also used as the blower fan described in the section of technical means.
The suction port (90) of the air supply pipe (88) arranged on the air supply side of the fan (80) has a hole formed in the rear wall of the casing (1).
(19), connected to the fan via the air supply pipe (88)
The outside air sucked in (80) is supplied to the air supply duct (89) and the air ejection duct (77). The air outlet (76) located at the downstream end of the air outlet duct (77) is located in the upper front part of the casing (1) and adjacent to the lower portion of the air outlet (76). Is the exhaust port (52) of the exhaust passage (5) pulled out from the ceiling wall (26) of the cleaning room (2).
Is provided.

A filtration container connected to the bottom wall of the water storage tank (23)
A drain pipe (74) having a drain pump (75) is connected to (7), and a water supply pipe (25) is connected to the back wall (27) of the cleaning chamber (2). With this, the dishwashing operation and the drying operation proceed as shown in FIG. First, prior to washing, a detergent is put in the water tank (23).

In step (100), it is monitored that an operation switch (not shown) is turned on. When the operation switch is turned on, the water supply operation to the water tank (23) is started in step (101). That is, the water level in the water tank (23) is monitored by a water level sensor (not shown), and the water supply pipe (25) is maintained until the water level reaches a predetermined value.
The water supply valve (250) inside is kept open. Next, in step (102), the heater (20) is heated and the cleaning pump (62) is operated. Then, the washing water in the water tank (23) is filtered by the filtration container (7) → the washing pump (62) → the water supply pipe (63).
→ It flows with the nozzle arm (6) (6) and is ejected from the nozzle arm (6) (6) and is sprayed on the tableware (M) (M), thereby the tableware (M) (M) Flushing proceeds for a period of time (see step (103)), then flush pump (62) and heater (20)
Is maintained in the OFF state, which completes the cleaning process (see step (104)).

Next, in step (105), the step of draining the wash water in the water storage tank (23) and the subsequent "rinsing step" are executed. That is, the drainage pump (75) is operated for a certain period of time to collect the dirty cleaning water from the water tank (23) → the filtration container (7) → the drainage pump
(75) → Drain pipe (74) and discharge, and then repeat the same steps as the above washing process (at this time, there is no detergent in the water tank (23)). ) And spray it with water to carry out the rinsing process.

Next, the process of drying the dishes (M) (M) is started, and the heater (20) and the fan (80) are activated in step (106). The fan (80) has a function of supplying air to the air ejection duct (77) and the air supply duct (89), and the heater (20) supplies air supplied from the air supply duct (89) into the cleaning chamber (2). It is equipped with the function of heating to make it hot air. That is, the air supplied from the fan (80) through the air supply duct (89) into the cleaning chamber (2) is heated by the heater (20) to be heated and becomes warm air, and the warm air is heated to the tableware ( M) (M) is contacted and dried. Then, the moist air generated by the drying is exhausted to the exhaust passage.
It is discharged to the outside from the exhaust port (52) of (5). Meanwhile, the fan
The air supplied from the (80) to the air ejection duct (77) is the air ejection port adjacent to the upper side of the exhaust port (52) of the exhaust passage (5).
Ejects horizontally from (76). Then, the air jet
The air (E) ejected from the (76) suppresses the rising of the moist air (F) ejected from the exhaust port (52), which causes the moist air to elevate from the front edge (K ₁ ) of the countertop (K). ) Is prevented.

When the drying operation is continued for a certain time, the control operation proceeds to steps (107) and (108), the heater (20) and the fan (80) are maintained in the OFF state, and the operation is returned to the stopped state. . In the above embodiment, the cleaning chamber (2) and the air ejection duct (77) are supplied with the common fan (80), but the fan supplying the cleaning chamber (2) is separate. An independent blower fan is provided, and the blower fan blows out air.
The air may be sent to (77).

In addition, since a slight amount of humid air is discharged from the exhaust port (52) during the washing process and the rinsing process,
In these washing and plowing processes, the fan (80) may be operated with a small rotation to eject the air (E) from the air ejection port (76) to prevent dew condensation in the same manner as described above. In this case, it is desirable to close the air supply duct (89) with a damper or the like to avoid a temperature drop in the cleaning chamber (2) during cleaning.

Further, in this case, when arranging separate and independent fans for the air exhaust duct (77) and the air supply duct (89), only the fan on the air exhaust duct (77) side should be operated. In this case, the damper for closing the air supply duct (89) is unnecessary. Although the suction port (90) of the air supply pipe (88) is opened in the rear wall of the casing (1) in the above-mentioned embodiment, as shown in FIG. 90) may be opened. in this case,
The suction port (90) opens laterally offset from the center of the front face of the casing (1), and the air outlet (52) and the air adjacent to it above the exhaust port (52) shift in the opposite direction from the center of the front face. The spout (76) is open.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention.

FIG. 2 is a flowchart illustrating a control operation.

FIG. 3 is an explanatory diagram of another embodiment.

FIG. 4 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 (2) ・ ・ ・ ・ Washing room (5) ・ ・ ・ ・ Exhaust passage (52) ・ ・ ・ ・ Exhaust port (76) ・ ・ ・ ・ Air jet port (80) ・ ・ ・ ・ Fan

Claims (2)

[Claims] 1. The dishware (M) housed in the washing room (2) is washed with water jetted from a nozzle, and the dishwashing room (2) is dried when the dishes are dried.
The humid air inside was exhausted to the outside from the exhaust passage (5) by the fan (80), and the exhaust port (52) located at the downstream end of the exhaust passage (5) was located at the upper front part of the instrument body. In the dishwasher, an air jet (76) formed in a portion adjacent to the upper side of the exhaust port (52) and a blower fan for supplying air to the air jet (76) are provided, and the blower fan is used when the dishes are dried. A dishwasher that was made to work. 2. A fan (8) for the cleaning chamber (2) and the air outlet (76).
The dishwasher according to claim 1, wherein the discharge air of (0) is separately supplied so that the single fan (80) has a function of discharging wet air and a function of blowing air to the air outlet (76). Machine.