JP2006334125A - Dishwasher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dishwasher where a quantity of dew condensation on the surface of a dishwasher body over an exhaust vent and on the top plate of a sink is greatly reduced. <P>SOLUTION: The dishwasher is provided with: a washing tub 1 for housing dishes 5; a nozzle 4 arranged in the washing tub 1; a washing pump 8 for sending washing water to the nozzle 4 with pressure; a heater 7 for heating the washing water and drying the dishes 5; a blowing fan 10 for discharging steam in the washing tub 1 to the outside of the dishwasher in drying operation; and a temperature detector 12 for detecting the temperature of the washing water in the washing tub 1. In a washing process and a final heating and rinsing process, after the temperature of the washing water detected by the temperature detector 12 reaches a prescribed temperature, the blowing fan is made to operate continuously or intermittently. The steam generated during the latter half of the washing process and the final heating and rinsing process is exhausted to the outside of the dishwasher forcedly by the blowing fan 10, so that the quantity of the dew condensation on the top plate of a sink is greatly reduced. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

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

  Conventionally, this type of dishwasher has a washing water temperature of about 60 ° C. during the washing process in order to ensure the washing performance, and in the final rinsing process before entering the drying process in order to ensure the drying performance. The temperature of the washing water was set to about 60 ° C to about 80 ° C.

  FIG. 3 is a sectional view of a conventional dishwasher of this type, and the configuration thereof will be described below.

  The washing tub 1 of the dishwasher has an opening 2 on the upper side, the opening 2 is opened and closed by an inner pig 3, and a nozzle 4 for injecting washing water is rotatably provided therein. A tableware basket 6 for storing the tableware 5 is arranged in 1. The cleaning water in the cleaning tank 1 is heated by a heater 7 as a heating means, and the heated cleaning water is pumped to the nozzle 4 by a cleaning pump 8 and sprayed toward the dishes 5 for circulation. Thus, the dishes 5 are washed. When the washing process is finished, the washing water is discharged out of the machine by the drain pump 9. Further, the steam in the cleaning tank 1 is discharged from the outside of the apparatus toward the front side through the exhaust port 11 provided at the upper front of the main body 16 by the blower fan 10 during the drying process. Reference numeral 12 denotes a temperature detection device that detects the temperature of the cleaning water in the cleaning tank 1.

  A control device 13 controls the heater 7, the cleaning pump 8, the drainage pump 9, the water supply valve, the temperature detection device 12, the blower fan 10, and the like.

  About the dishwasher comprised as mentioned above, the operation | movement is demonstrated below.

  When the tableware 5 is set in the tableware basket 6, the detergent is introduced, and the operation is started, the cleaning water is supplied into the cleaning tank 1 to a predetermined water level. When the water level reaches a predetermined level, the water supply is stopped, the cleaning pump 8 and the heater 7 are energized, and the cleaning water is sprayed from the nozzle 4 toward the tableware 5 while being heated, thereby cleaning the tableware 5. When the washing process is completed, the drainage pump 9 is energized and the washing water is discharged out of the machine. Next, washing water is newly supplied, and the dishes 5 are rinsed by the same operation as the washing process. At the end of this rinsing step, a final heating rinse is performed with high temperature wash water in order to improve the drying performance of the dishes 5 in the subsequent drying step.

Next, the blower fan 10 is operated while the heater 7 is energized to dry the dishes 5. Thus, the blower fan 10 is set to operate only during the drying process (see, for example, Patent Document 1).
JP 2001-61754 A

  However, in such a conventional dishwasher, the washing water becomes hot and steam is generated in the latter half of the washing process and the final heating rinse process, and the steam rises from the exhaust port 11, and the surface of the dishwasher body and the sink Condensation has occurred on the top plate, and it has fallen onto the floor surface, causing the floor surface to be wet, and causing the top plate of the sink to be corroded.

  The present invention solves the above-described conventional problems, and significantly reduces the amount of steam that rises from the exhaust port during the washing process or heating rinse process on the surface of the body above the dishwasher exhaust port or the top plate of the sink. An object of the present invention is to provide a dishwasher that does not adversely affect washing and drying operations around the dishwasher.

  In order to solve the above-described conventional problems, a dishwasher according to the present invention includes a washing tank for storing dishes, a nozzle disposed in the washing tank, a washing pump for pumping washing water to the nozzle, and the washing A heating means for heating water and drying the tableware, a blower fan for discharging steam in the washing tank to the outside during the drying operation, and a temperature of washing water in the washing tank are detected. A temperature detection device, and in the washing process and the final heating rinse process, after the temperature of the washing water detected by the temperature detection device reaches a predetermined temperature, the blower fan is operated continuously or intermittently. The steam generated in the latter half of the washing process and the final heating rinse process is forcibly discharged to the outside by the blower fan, greatly reducing the amount of condensation on the top plate of the sink. It is possible, There is no having a detrimental effect on the surrounding during the operation of the vessel washing machine.

  In the dishwasher of the present invention, steam generated in the latter half of the washing process and the final heating rinse process is forcibly discharged by the blower fan in the same manner as in the drying operation. A dishwasher that can significantly reduce the amount of condensation on the top plate of the sink, does not cause condensation water to fall on the floor surface, wet the floor surface, or cause corrosion of the sink top plate due to condensed water. Can be realized.

  1st invention performs the washing tank which stores tableware, the nozzle distribute | arranged in the said washing tank, the washing pump which pumps washing water to the said nozzle, heating the said washing water, and drying the said tableware Heating means, a blower fan for discharging steam in the cleaning tank to the outside during the drying operation, and a temperature detection device for detecting the temperature of the cleaning water in the cleaning tank, In the heating rinsing process, after the temperature of the washing water detected by the temperature detection device reaches a predetermined temperature, the blower fan is operated continuously or intermittently. The steam generated in the second half of the final heating rinse process is forced out of the machine by the blower fan, so that the amount of condensation on the top plate of the sink can be greatly reduced. Adversely affect Theft is not.

  Hereinafter, 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 cross-sectional view of the dishwasher according to Embodiment 1 of the present invention, and FIG. 2 is a chart showing the operation of the dishwasher. In addition, about the same part as the dishwasher of the said prior art example, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  1 and 2, when the tableware 5 is set in the tableware basket 6, the detergent is introduced and the operation is started, the cleaning water is supplied into the cleaning tank 1 to a predetermined water level. When the water level reaches a predetermined level, the water supply is stopped, the cleaning pump 8 and the heater 7 are energized, and the cleaning water is sprayed from the nozzle 4 toward the tableware 5 while being heated, thereby cleaning the tableware 5.

  At this time, when the temperature of the cleaning water in the cleaning tank 1 detected by the temperature detection device 12 reaches a predetermined temperature, the control means 14 causes the blower fan 10 to operate continuously or intermittently until the cleaning process is completed. When the washing process is completed, the drainage pump 9 is energized and the washing water is discharged outside the apparatus. Next, the washing water is newly supplied, and the dishes 5 are rinsed by the same operation as the washing process. At the end of this rinsing step, a final heating rinse is performed with high temperature wash water in order to improve the drying performance of the dishes 5 in the subsequent drying step.

  At this time, when the temperature of the cleaning water in the cleaning tank 1 detected by the temperature detection device 12 reaches a predetermined temperature, the control unit 14 causes the blower fan 10 to be continuously or intermittently operated until the final heating rinse process is completed. Next, the blower fan 10 is operated while the heater 7 is energized to dry the dishes 5.

  Thus, in the dishwasher in the present embodiment, the steam generated in the latter half of the washing process and the final heating rinse process is discharged forward from the exhaust port 11 in the same manner as in the drying operation. The amount of condensation on the airframe surface above the mouth 11 and the top plate of the sink can be greatly reduced, and the condensed water can fall on the floor and wet the floor, or cause the corrosion of the sink top by the condensed water. It will not cause any adverse effects due to driving around the dishwasher installation area.

  As described above, the dishwasher according to the present invention does not cause the condensation water to fall on the floor surface and wet the floor surface or cause the condensation water to flow and cause corrosion of the table top. It is useful as a dishwasher that does not adversely affect the operation.

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

Explanation of symbols

1 Washing tank 4 Nozzle 5 Tableware 7 Heater (heating means)
8 Washing pump 10 Blower fan 11 Exhaust port 12 Temperature detector 14 Control means

Claims (1)

A cleaning tank for storing tableware, a nozzle disposed in the cleaning tank, a cleaning pump for pumping cleaning water to the nozzle, heating means for heating the cleaning water and drying the tableware, A blower fan for discharging the steam in the washing tank to the outside during the drying operation, and a temperature detection device for detecting the temperature of the washing water in the washing tank, in the washing process and the final heating rinse process, A dishwasher in which the blower fan is operated continuously or intermittently after the temperature of the washing water detected by a temperature detection device reaches a predetermined temperature.

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