JP4458106B2 - dishwasher - Google Patents

Description

  The present invention relates to a dishwasher for cleaning and drying dishes and the like.

  A conventional dishwasher of this type is configured as shown in FIG. 2 (see, for example, Patent Document 1). Hereinafter, the configuration will be described. FIG. 2 is a side sectional view of the conventional dishwasher described in Patent Document 1.

  As shown in FIG. 2, a washing tub 2 is provided in a dishwasher body 1 of a conventional dishwasher housed in a system kitchen, and the washing tub 2 has an opening 3 in the upper part, and the tableware in the inside. A tableware basket 5 that accommodates class 4 is arranged. A cleaning nozzle 6 is rotatably provided below the tableware basket 5, and the cleaning water stored in the cleaning tank 2 is circulated by the pump 7 and sprayed from the cleaning nozzle 6 to clean the tableware 4. ing.

  In addition, an exhaust port 9 is provided in the upper part of the front panel 8 provided in front of the cleaning tank 2, and the air in the cleaning tank 2 is exhausted from the exhaust port 9 to the outside by the blower means 10. Dry.

  A first rail 11 is fixed to the side of the washing tank 2, and the first rail 11 is supported by a second rail 12 fixed to the dishwasher main body 1 so as to be movable in the front-rear direction. Yes. When the tableware 4 is put into and out of the washing tub 2, the handle 13 provided on the front panel 8 is grasped, the washing tub 2 is pulled forward, and the tableware 4 is received from the upper opening 3.

Next, when the washing tub 2 is returned to the dishwasher main body 1 and the operation is started, the washing water is heated by the heater 14 disposed at the bottom of the washing tub 2 and sprayed from the washing nozzle 6 toward the dishes 4. Then, a cleaning process for removing the stains on the tableware 4 is performed. Then, after rinsing tableware 4, a drying process is performed and operation is completed.
JP 2001-046301 A

  However, in such a conventional dishwasher configuration, the exhaust port 9 provided in the front panel 8 discharges the air in the washing tub 2 during the drying process. The air in the cleaning tank 2 at the initial stage of the drying process is high in temperature and contains a lot of moisture. Especially when the ambient atmosphere temperature is low, the front panel with the exhaust port 9 is caused by a temperature difference from the periphery of the exhaust port 9. 8 and the system kitchen where the dishwasher main body 1 is housed. Condensation is likely to occur on the front lower part of the work top 35 of the system kitchen, and drops on the floor and when the user moves through the kitchen, the water drops adhere to clothes. Had.

  In addition, a receiving part can be provided at the lower part of the exhaust port 9 so that this condensation does not drop on the floor, but the receiving part protrudes forward, so that there is a problem that the user gets in the way when moving in the kitchen. Had.

  The present invention solves the above-described conventional problems, and the temperature of the exhaust gas from the exhaust port is adjusted by adjusting the amount of air passing through the cleaning tank while blowing outside air from the air blowing path with one air blowing means. And it aims at providing the dishwasher which can adjust the moisture contained in exhaust gas and can prevent dew condensation to a worktop etc.

In order to solve the above-described conventional problems, the dishwasher of the present invention includes a washing tub provided in the dishwasher body, a washing nozzle provided in the washing tub, and the washing tub through a first air passage. Blower means for sending outside air and exhausting the air in the cleaning tank to the outside through an exhaust path from an exhaust port, adjustment means provided in the middle of the first blow path, and the first blower A second air passage for branching from the upstream side of the adjustment means of the passage to communicate with the exhaust passage and for sending outside air by the air blowing means to the exhaust port without passing through the cleaning tank, and washing, rinsing and drying and control means for sequentially controlling each step of the outside air that said adjusting means adjusts the air volume to be sent to the cleaning tank, is blown from the second air feed path with the air discharged from the cleaning tank Are mixed and discharged from the exhaust port. Exhaust exhausted from the exhaust port by adjusting the amount of air passing through the cleaning tank with the adjusting unit while the outside air is blown from the second ventilation path to the exhaust port by one blowing unit. Since the exhaust gas temperature and moisture contained in the exhaust gas can be adjusted, dew condensation on the worktop or the like can be reliably prevented.

  The dishwasher of the present invention is discharged from the exhaust port by adjusting the amount of air passing through the washing tank by the adjusting unit while blowing outside air from the second blowing path to the exhaust port by one blowing unit. Since the temperature of the exhaust gas and the moisture contained in the exhaust gas can be adjusted, dew condensation on the worktop or the like can be reliably prevented.

1st invention sends outside air to the said washing tank through the washing tank provided in the dishwasher main body, the washing nozzle provided in the said washing tank, and a 1st ventilation path, and the air in the said washing tank is made into A blower that discharges to the outside through an exhaust passage through an exhaust path, an adjustment unit that is provided in the middle of the first blower path, and that adjusts the amount of blown air from the upstream side of the adjustment unit of the first blower path. A second air passage that communicates with the exhaust passage and sends outside air from the air blowing means to the exhaust port without passing through the washing tank, and a control means that sequentially controls each step of cleaning, rinsing, and drying. wherein the adjusting means adjusts the air volume to be sent to the cleaning tank, it is discharged from the discharged from the washing tank the air and the outside air blown from the second air flow path are mixed the exhaust port With one blower means, the second Adjusting the temperature of the exhaust discharged from the exhaust port and the moisture contained in the exhaust by adjusting the amount of air passing through the cleaning tank with the adjusting means while blowing outside air from the air path to the exhaust port As a result, condensation on the worktop can be reliably prevented .

Following, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a side sectional view of a dishwasher according to a first embodiment of the present invention.

  In FIG. 1, a washing tub 16 is provided inside the dishwasher main body 15 of the dishwasher in the present embodiment housed in the system kitchen, and the washing tub 16 has an opening 17 on the upper side, A table basket 19 that houses the tableware 18 is arranged. A cleaning nozzle 20 that jets cleaning water is rotatably provided below the tableware basket 19, and a pump 21 that circulates the cleaning water stored in the cleaning tank 16 through the cleaning nozzle 20 is provided. In addition, a heater 23 for heating the cleaning water and the air blown by the blowing means 22 is disposed at the bottom.

  Reference numeral 24 denotes an exhaust port disposed in the upper part of the front panel 25 provided in front of the cleaning tank 16 and communicates with the inside of the cleaning tank 16 through an exhaust path 27 disposed above the cleaning tank 16. . Reference numeral 22 denotes a blowing means for sending outside air into the cleaning tank 16. The blowing means 22 is provided at the lower portion of the cleaning tank 16 and communicates with the cleaning tank 16 via the first blowing path 26, and operates the blowing means 22. Thus, the outside air is sent into the cleaning tank 16, and the air in the cleaning tank 16 is exhausted to the outside through the exhaust path 27 through the exhaust path 27. In the middle of the first air passage 26, there is provided adjusting means 28 that can adjust the air flow rate of the air blowing means 22 by changing the cross-sectional area of the path by a motor-driven valve mechanism (not shown).

  Reference numeral 29 denotes a second air passage that branches from the upstream side of the adjusting means 28 of the first air passage 26 and communicates with the exhaust passage 27, and the air blown by the air blowing means 22 is passed to the exhaust passage 27 without passing through the cleaning tank 16. It is comprised so that it may ventilate and it is comprised from the exhaust port 24 so that the air discharged | emitted from the inside of the washing tank 16 and external air may mix and exhaust.

A temperature detecting means 30 for detecting the temperature of the cleaning water is provided at the lower part of the cleaning tank 16, and the control means 31 for sequentially controlling the cleaning, rinsing and drying processes is controlled by a signal from the temperature detecting means 30. The operation of the means 22 and the adjusting means 28 are controlled, differing in the cleaning, rinsing and drying processes, and controlled in accordance with the temperature of each process.

  Moreover, the 1st rail 32 is being fixed to the both sides | surfaces of the washing tank 16, and the 1st rail 32 is the 2nd rail 33 fixed to the dishwasher main body 15, and can move in parallel in the front-back direction. It is supported by. When the tableware 18 is put in and out, the handle 34 provided on the front panel 25 is grasped, the washing tank 16 is drawn forward, and the tableware 18 is accommodated from the upper opening 17. .

  The operation and action of the dishwasher in the present embodiment configured as described above will be described below.

  First, the user grasps the handle 34 provided on the front panel 25, pulls out the washing tank 16 from the dishwasher main body 15, and sets the dirty dishes 18 in the dish basket 19 disposed in the washing tank 16. Next, when the washing tub 16 is returned to the dishwasher main body 15 and the operation is started, the washing water is sprayed from the washing nozzle 20 toward the dishes 18 while the washing water is heated by the heater 23 arranged at the bottom of the washing tub 16. Then, a cleaning process is performed to remove the stains on the tableware 18, and after rinsing several times, the heater 23 is rinsed while being heated to about 80 ° C., and the heating rinse process is performed. While heating, air containing a large amount of water in the cleaning tank 16 is discharged to the outside from the exhaust port 24 by the blower means 22, and a drying process for drying the tableware 18 and the cleaning tank 16 is performed to finish the operation. To do.

  In addition, the adjustment means 28 is in the state which closed the ventilation from the 1st ventilation path 26 into the washing tank 16 before a driving | operation start.

  In the cleaning process, the adjustment unit 28 starts operation and fully closes the air from the first air passage 26 into the cleaning tank 16, and the temperature of the cleaning water reaches a constant temperature (for example, 40 ° C.) The blowing means 22 is operated. At this time, only the outside air can be blown to the exhaust passage 27 through the second air passage 29, and the air containing a lot of moisture leaking to the exhaust passage 27 due to the thermal expansion in the cleaning tank 16 is supplied to the second passage. Mixing with the outside air blown from the blower path 29, lowering the temperature of the exhaust from the exhaust port 24, and reducing the amount of water per exhaust volume can prevent condensation on the worktop 335 and the like. .

  In the rinsing process, since the temperature in the cleaning tank 16 continues to be high from the cleaning process, the adjusting means 28 is operated to operate the air blowing means 22 while fully closing the air blowing from the first air blowing path 26 into the cleaning tank 16. By doing so, the same effect can be obtained.

  Next, at the initial stage of the drying process, the temperature of the air blown from the first air passage 26 through the cleaning tank 16 is high by opening the valve mechanism by the adjusting means 28 and operating the air blowing means 22. The air containing a large amount of moisture can be mixed with the outside air blown from the second blowing path 29. At that time, the adjusting means 28 adjusts the amount of air blown through the cleaning tank 16 according to the temperature in the cleaning tank 16 detected by the temperature detecting means 23, and the temperature of the exhaust gas mixed in the exhaust path 27. Can be adjusted. Thereby, since it can exhaust from the exhaust port 24 in the state which reduced the temperature and the moisture content per exhaust volume, the water | moisture content in the washing tank 16 can be discharged | emitted, preventing the condensation to the worktop 35 grade | etc.,.

  Moreover, while the temperature in the washing tank 16 is lowered, the valve mechanism is gradually opened by the adjusting means 28, so that the temperature and moisture of the exhaust can be adjusted to allow drying while preventing condensation. .

As described above, according to the present embodiment, the washing tank 16 provided in the dishwasher main body 15, the washing nozzle 20 provided in the washing tank 16, and the air in the washing tank 16 are supplied to the first blowing path. The air supply means 22 for discharging outside through the machine 26, the second air supply path 29 for mixing the outside air into the exhaust port 24 by the air supply means 22, and the adjustment for adjusting the air supply amount by providing in the first air supply path 26 By providing the means 28 and the control means 31 for sequentially controlling each process of washing, rinsing and drying, the inside of the cleaning tank 16 while the outside air is blown from the first blowing path 26 by one blowing means 22. By adjusting the amount of blast passing through the exhaust, the temperature of the exhaust from the exhaust port 24 and the moisture contained in the exhaust can be adjusted, and condensation on the work top 35 and the like can be prevented.

  Further, the adjusting means 28 adjusts the air flow rate according to each operation process, thereby adjusting the temperature of the exhaust from the exhaust port 24 and the moisture contained in the exhaust according to each process of cleaning, rinsing and drying. By adjusting, it is possible to prevent condensation on the work top 35 and the like.

  Further, a temperature detection means 30 for detecting the temperature in the cleaning tank 16 is provided at the bottom of the cleaning tank 16, and the control means 31 controls the adjustment means 28 with the temperature detected by the temperature detection means 30 to adjust the air flow rate. By adjusting the temperature of the exhaust from the exhaust port 24 and the moisture contained in the exhaust in accordance with the temperature state during the cleaning, rinsing, and drying processes, condensation on the work top 14 and the like is prevented. Can do.

  As described above, the dishwasher according to the present invention can prevent the occurrence of dew condensation on the system kitchen due to the steam leaking out of the machine, and is useful for a dishwasher incorporated in the system kitchen.

Side sectional view of the dishwasher according to Embodiment 1 of the present invention. Side view of a conventional dishwasher

DESCRIPTION OF SYMBOLS 15 Dishwasher main body 16 Washing tank 20 Washing nozzle 22 Blower means 24 Exhaust port 26 1st ventilation path 27 Exhaust path 28 Adjustment means 29 2nd ventilation path 30 Temperature detection means 31 Control means

Claims (1)

A washing tub provided in the dishwasher body, a washing nozzle provided in the washing tub, and outside air is sent to the washing tub through a first air passage, and the air in the washing tub is exhausted through an exhaust passage. Blower for discharging to the outside, adjusting means for adjusting the amount of air provided in the middle of the first blowing path, and branching from the upstream side of the adjusting means of the first blowing path to communicate with the exhaust path And a second air passage for sending outside air from the air blowing means to the exhaust port without going through the washing tank, and a control means for sequentially controlling each step of washing, rinsing and drying, the adjusting means the blowing amount to adjust the sending into the cleaning tank, the air discharged from the cleaning tank and the outside air blown from the second air flow path are mixed dishwasher discharged from the exhaust port.