JP4734916B2 - dishwasher - Google Patents

Description

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

  Conventionally, in order to remove dirt adhering to tableware and the like as shown in FIG. 11, this type of dishwasher swells the dirt by spraying washing water atomized in a mist in advance on the dish, A dishwasher using mechanical force by spraying or chemical force by detergent has been considered (for example, see Patent Document 1).

  Hereinafter, the configuration will be described. The main body 81 of the dishwasher stores a tableware basket (not shown) for storing tableware in a cleaning tank 83, and a door 84 is provided at the opening 82 of the cleaning tank 83. 85 is a nozzle for spraying the cleaning water stored in the cleaning tank 83 toward the tableware, and 86 is a water particle generating mechanism for generating water particles such as mist in the cleaning tank 83. It is designed to blow inside.

About the dishwasher comprised as mentioned above, the operation | movement is demonstrated below. First, when dirty dishes are set in the tableware basket and the operation is started, water particles generated by the water particle generating mechanism 86 are blown into the washing tub 83 by the blower fan, and adhere to the surface of the dishes and the like to swell the dirt. . Next, a dedicated washing process is performed in which a special detergent is introduced and the dishes are washed with washing water ejected from the nozzle 85. And in order to wash away the stain | pollution | contamination adhering to tableware etc. from tableware, the rinse process which replaces the wash water in the washing tank 83 several times is performed. And the washing | cleaning of tableware is complete | finished by performing the warm water rinse process which heats the replaced wash water to about 70 degreeC. Finally, a drying process for drying water droplets adhering to the tableware is performed and the operation is terminated.
JP 2000-189375 A

  However, a general dishwasher is provided with a blowing means for drying washed objects, a blowing fan for drying, an intake port for taking outside air into the washing tank by driving the blowing fan, and a washing It has a heater for heating the air in the tank, an exhaust port for discharging the humid air in the cleaning tank from the cleaning tank to the outside of the machine, and the like. Therefore, when the detergent liquid is atomized into a mist and supplied into the washing tank and blown, the atomized detergent liquid can be diffused into the washing tank, but the outside air is taken into the washing tank from the air inlet by blowing. At the same time, the air in the cleaning tank is discharged out of the machine through the exhaust port. For this reason, since the atomized detergent liquid scattered in the washing tank is also discharged to the outside of the machine together with the exhaust, the scattered detergent liquid cannot be used effectively, and the detergent tank is filled in the washing tank. There is a problem that it cannot be effectively adhered, and the adhesion to the object to be cleaned varies depending on the position and placement of the object, and the stains are unevenly removed.

  An object of the present invention is to solve the conventional problems described above, and an object thereof is to provide a dishwasher capable of obtaining a high cleaning performance by uniformly adhering a micronized detergent solution to an object to be cleaned set in a cleaning tank. To do.

In order to solve the above-mentioned conventional problems, the dishwasher of the present invention has a washing tank in which the scattered detergent liquid is agitated by a blowing means having a fan driven by a motor in a closed space. The detergent liquid scattered inside can be diffused into the washing tank without waste without being discharged outside the apparatus, and the detergent liquid can be uniformly attached to the tableware in the washing tank.

  The dishwasher of the present invention can improve the cleaning power by causing the scattered detergent solution to adhere to the tableware without waste, and can eliminate uneven cleaning.

1st invention is a washing tank which accommodates to-be-washed objects, such as tableware, a lid which covers the opening of the washing tank, a washing pump which pressurizes washing water, and washing water pressurized by the washing pump Cleaning means for spraying, detergent liquid scattering means for atomizing and scattering high-concentration detergent liquid, and air blowing means for diffusing the scattered detergent liquid into the cleaning tank, the air blowing means being driven by a motor. The air in the washing tank formed in the closed space is agitated, so that the scattered detergent liquid can be prevented from flowing out of the machine, and the detergent liquid can be used without waste. In addition, the cleaning power can be improved by uniformly adhering to an object to be cleaned such as tableware, and good cleaning performance without cleaning unevenness can be obtained.

  According to a second invention, in the first invention, the air blowing means is disposed in the flow space of the atomized detergent liquid generated from the detergent liquid scattering means, thereby preventing the detergent liquid generated from the detergent liquid scattering means. The air can be blown directly, and the detergent liquid can be efficiently diffused.

According to a third invention, in the first invention, the air blowing means has an air inlet and an air outlet communicating with the inside of the cleaning tank, and the air inlet and the air outlet are from a water level of the cleaning water stored in the cleaning tank. By providing it above, the intake and exhaust ports are not blocked by the cleaning water stored in the cleaning tank, and a predetermined air volume can be secured and the detergent liquid can be stably diffused in the cleaning tank. it can.

In a fourth aspect based on the first aspect, the blowing means is disposed in the vicinity of the detergent liquid scattering means, so that the detergent liquid generated from the detergent liquid scattering means can be effectively diffused.

In a fifth aspect based on the first aspect, the blowing means is configured to blow air toward the detergent liquid scattering means, so that the detergent liquid generated from the detergent liquid scattering means can be effectively diffused.

According to a sixth aspect of the present invention, in the first aspect, the air blowing means diffuses the atomized detergent liquid generated from the detergent liquid scattering means toward the object to be cleaned contained in the cleaning tank. The detergent liquid can be reliably attached to the object to be cleaned.

In a seventh aspect based on the first aspect, the air blowing means is provided substantially above the detergent liquid scattering means, whereby the detergent liquid can be efficiently diffused into the upper space in the cleaning tank.

According to an eighth invention, in the seventh invention, by providing a duct for guiding the atomized detergent solution upward in the washing tank, the air velocity by the blowing means is increased by passing through the duct having a small cross-sectional area. Thus, the detergent liquid can be efficiently diffused into the upper space in the cleaning tank by being vigorously blown into the upper space in the cleaning tank.

According to a ninth invention, in the seventh invention, the air blowing means is provided on the lid that covers the opening of the cleaning tank, so that the air blowing means is a means for spraying the detergent liquid when the opening of the cleaning tank is closed. Since it is located substantially above the vicinity of the nozzle and above the level of the washing water stored in the washing tank, it is difficult for dirt to adhere to the blowing means, and the operation can be stabilized.

In a tenth aspect based on the first aspect, the blowing means is arranged at the upper portion of the cleaning tank, so that the detergent liquid generated from the detergent liquid scattering means can be blown from multiple directions to the object to be cleaned. And can be effectively diffused into the cleaning tank.

According to an eleventh aspect of the present invention, in the first aspect of the present invention, a second blower and a blower outlet for supplying outside air into the cleaning tank at the time of drying are provided, and the blower outlet is closed when the detergent liquid is scattered. Since the outside air is not blown into the cleaning tank, the atomized detergent liquid is not exhausted from the cleaning tank to the outside of the machine, but can be filled in the cleaning tank and efficiently attached to the object to be cleaned.

In a twelfth aspect based on the eleventh aspect , since the outlet is closed by the cleaning water stored in the cleaning tank, the inflow of outside air into the cleaning tank can be easily prevented.

A thirteenth aspect of the invention is the first aspect of the invention, in which the second blower means for supplying outside air into the cleaning tank at the time of drying and an exhaust port for discharging the air in the cleaning tank to the outside of the machine are provided. By being closed when the detergent liquid is splashed, the wet air in the washing tank can be exhausted to the outside during drying, and when the detergent liquid is splashed, the washing tank can be formed in a closed space. A detergent solution can be efficiently attached to an object.

In a fourteenth aspect based on the thirteenth aspect , the second blowing means is set so that the air volume is larger than the blowing means for diffusing the atomized detergent liquid, and the second blowing means is used during drying. Since the exhaust port is opened by the wind pressure of the air, the exhaust port can be opened and closed according to the air volume, and when the detergent liquid is scattered, the washing tank is formed in a closed space, and the detergent liquid is washed. In addition, the wet air in the cleaning tank can be exhausted outside the apparatus during drying.

According to a fifteenth aspect , in the first aspect, there is provided water supply means for supplying cleaning water to the cleaning tank, and the blower means is configured to be washable by the cleaning water supplied to the cleaning tank by the water supply means. Thus, the atomized detergent liquid adhering to the blowing means by stirring the air in the cleaning tank can be washed and removed every time the device is used, and the operation of the blowing means can be stabilized.

In a sixteenth aspect based on the fifteenth aspect , since the blowing means is configured to be washed with the washing water sprayed from the cleaning means, the detergent liquid adhering to the blowing means is jetted vigorously from the cleaning means. It can be reliably removed by washing water.

According to a seventeenth aspect , in the fifteenth aspect , the blowing means is configured to be washed with the washing water supplied from the water supply means, so that the cleaning water supplied at a high pressure from the water supply valve is directly supplied to the blowing means. Thus, the blowing means can be washed, and the attached detergent solution can be removed reliably.

In an eighteenth aspect based on the fifteenth aspect , the blowing means is configured to be immersed in the cleaning water stored in the cleaning tank, so that the detergent solution adhering to the immersed cleaning water can be dissolved and removed. At the same time, the washing water is supplied to the inside of the blowing means, and the dirt can be discharged outside without staying inside the blowing means.

According to a nineteenth aspect , in the fifteenth aspect , there is provided control means for controlling driving of the blower means, and the control means is attached to the blower means by operating the blower means in the rinsing step. The detergent liquid can be effectively removed, and the dirt that has flowed into the blowing means can be discharged to the outside by the rotational force of the blowing means in the water flow in the rinsing process.

According to a twentieth aspect of the present invention, in the fifteenth aspect of the invention, there is provided control means for controlling the driving of the blowing means, and the control means is configured to operate the detergent liquid scattering means and the blowing means in the rinsing step. The detergent liquid adhering to the means can be effectively removed, and the dirt flowing into the blower means can be dispersed in the water flow of the rinsing process. And with the accompanying stirring force, it can be discharged to the outside.

  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 FIGS. 2 and 3 are main-part cross-sectional views of the dishwasher. As shown in FIGS. 1 to 3, the main body 1 of the dishwasher is configured to be able to be closed by a plurality of lids 4 provided with an opening 2 in the front and opening the opening 2 up and down. A cleaning nozzle (cleaning means) 8 having an injection port 7 for spraying the cleaning water pressurized by the cleaning pump 6 is provided below the cleaning tank 3.

  A table basket 9 for storing tableware to be cleaned is provided above the cleaning nozzle 8. A heater (heating means) 10 for heating the stored cleaning water is disposed at the bottom of the cleaning tank 3. A roller 11 is arranged on the side wall of the tableware basket 9 and a guide rail 12 is arranged on the inner side wall of the washing tub 3. The tableware basket 9 is supported so that it can be pulled out substantially horizontally with respect to the main body 1. Has been.

  Reference numeral 15 denotes a water supply valve for supplying cleaning water to the cleaning tank 3. Reference numeral 16 denotes control means provided inside the front panel 5 of the lid 4 that opens downward, and controls the cleaning pump 6, the heater 10, and the like. A recess 17 recessed outward is provided on the inner wall surface below the front surface of the cleaning tank 3, and the detergent liquid scattering means 18 and the storage section 20 for storing the detergent liquid are disposed in the recess 17. The upper portion of the portion 20 is covered with a detergent case cover 21. Further, the detergent container cover 21 is provided with a detergent inlet 23 and a detergent inlet guide 23 that smoothly guides the detergent to the detergent inlet 22. The detergent liquid splashing means 18 and the storage unit 20 are formed as a tank independent of the cleaning tank 3, and the cleaning tank 3 and the storage unit 20 communicate with each other through a notch 24 constituted by the cleaning tank 3 and the detergent container cover 21. is doing. The washing water flows through the washing tank 3 and the reservoir 20 through the notch 24.

  The detergent liquid scattering means 18 encloses an antifreeze liquid (liquid) 27 in a container 26, encloses air (gas) in a gas enclosing part 19 formed in the upper part of the container 26, and an ultrasonic oscillator (vibration oscillator) 29. The oscillating surface 30 is arranged in the lower part of the container 26 in the direction facing the antifreeze liquid 27, and the packing 32 attached to the ultrasonic oscillator 29 with the lid 31 is pressed and water-sealed. The container 26 has a gas sealing part 19 for storing air, and a substantially planar vibration transmission surface 33 formed so as to face the oscillation surface 30 of the ultrasonic oscillator 29, and the oscillation surface of the ultrasonic oscillator 29. 30 is disposed substantially parallel to the vibration transmission surface 33 of the container 26.

  The gas sealing part 19 is provided at a position higher than the vibration transmission surface 33, and the vibration transmission surface 33 is configured by an inclined surface that is inclined upward toward the gas sealing part 19. The antifreeze liquid 27 in the container 26 fills the inner wall surface of the vibration transmission surface 33 and is sealed to a position higher than the vibration transmission surface 33 in the gas sealing portion 19.

  The cleaning tank 3 is provided with an exhaust port 41 configured by an exhaust port 39 for exhausting the air in the cleaning tank 3 to the outside of the machine, and an exhaust duct 40 communicating with the exhaust port 39 and the cleaning tank 3. The exhaust path 41 is opened and closed by an exhaust damper 42. A drying blower fan (second blower unit) 13 is provided in the main body 1, and outside air is sent from a drying blower intake port 44 configured in the cleaning tank 3 through a blower duct 37. The drying blower outlet 45 is disposed at a position for blowing outside air toward the heater 10, and the outside air that has exited from the drying blower outlet 45 is heated by passing through the vicinity of the heater 10. After flowing through the cleaning tank 3, the air is discharged out of the machine through the exhaust port 39. The heater 10 provided at the bottom of the cleaning tank 3 is provided at a position where it is submerged in the stored cleaning water.

  The blowing means 46 for diffusing the detergent liquid communicates with the inside of the cleaning tank 3 so that the air in the cleaning tank 3 can be stirred. The blower means 46 is installed in the main body 1 in FIG. 3, but if the blowout port 47 and the intake port 48 communicate with the cleaning tank 3, a fan, a casing, or the like is provided outside the main body 1. It may be configured.

  Next, operation | movement and an effect | action of the dishwasher of this invention are demonstrated. In the detergent liquid scattering step, first, an object to be cleaned such as tableware is set in the tableware basket 9, and a predetermined amount of detergent 36 (preferably dedicated detergent) is put into the storage unit 20 from the detergent inlet 22. Next, a predetermined amount of washing water is supplied from the water supply valve 15. At this time, the cleaning water is supplied by the control means (control device including a microprocessor) 16 so as to be above the vibration transmission surface 33. At this time, the cleaning water enters the storage unit 20 from the notch 24 as well as the cleaning tank 3, and a part of the detergent starts to dissolve in the cleaning water, and the detergent liquid scattering means 18 is also stored in the storage unit 20. Soak in the infused wash water. When the ultrasonic oscillator 29 is driven at this time, the oscillation propagates through the antifreeze liquid (liquid) 27 and is transmitted to the cleaning water through the vibration transmission surface 33. And the water column 34 generate | occur | produces on the water surface, and the high concentration detergent liquid atomized from the water column 34 scatters.

  For the production of the high-concentration detergent liquid, it is important to dissolve the detergent in the washing water in the storage unit 20 and to suppress the diffusion of the high-concentration detergent liquid into the washing water in the washing tank 3. First, regarding the concentration, for example, when the water storage volume of the detergent liquid scattering means 18 and the storage unit 20 is set to 1/50 of the amount of water supplied to the entire cleaning tank 3 and a predetermined amount of detergent is introduced, the detergent is stored. When all the washing water in the section 20 is dissolved, a detergent solution having a concentration of about 50 times can be theoretically generated. However, since it is connected to the inside of the cleaning tank 3 by the notch 24, the concentration of the detergent liquid is slightly reduced by the diffusion of the detergent liquid into the cleaning tank 3.

  In addition, a return passage 14 is provided on the inner wall of the detergent container cover 21 so that the water in the water column 34 of the high-concentration detergent liquid does not flow into the cleaning tank 3, and the high-concentration detergent liquid is collected in the storage unit 20. Flow occurs. Since the water in the reservoir 20 is agitated by this flow of water, the dissolution of the detergent 36 can be accelerated and a high detergent concentration can be realized. Further, when the heater 10 is energized simultaneously with the detergent liquid scattering step, the washing water is also heated, so that the dissolution of the detergent is promoted and the detergent liquid concentration is further increased.

  Although the high-concentration detergent liquid flows out from the notch 24 into the cleaning tank 3, since the size of the opening area of the notch 24 is limited, the decrease in the concentration of the detergent liquid is minimized. Yes. In addition, when there is no washing water above the vibration transmission surface 33, high-concentration detergent liquid will not scatter, so that when the ultrasonic oscillator 29 is driven, the washing water always exists above the vibration transmission surface 33. The water supply valve 15 is controlled by the control means 16.

  Further, the blowing means 46 for diffusing the detergent liquid is operated during the detergent liquid scattering process. At this time, the cleaning tank 3 is formed in a closed space in which outside air is not sent from the drying air blowing inlet 44 and air in the cleaning tank 3 is not discharged from the drying air blowing outlet 45. In addition, since the air outlet 47 and the air inlet 48 of the air blowing means 46 communicate with the inside of the cleaning tank 3, there is no circulation of air between the inside of the cleaning tank 3 and the outside of the machine, and the detergent liquid scattered in the cleaning tank 3. Is agitated without flowing out of the machine. Therefore, the high-concentration detergent liquid splashed into the cleaning tank 3 from the detergent liquid scattering means 18 is quickly diffused over a wide range in the cleaning tank 3 by the blowing means 46, and the scattered detergent liquid is attached to the object to be cleaned. It is kept for a predetermined time.

  The opening 2 of the cleaning tank 3 can be opened and closed by a plurality of lids 4. When the opening 2 is closed by the lid 4, the inside of the cleaning tank 3 becomes a closed space. This closed space does not mean a sealed space completely cut off from the outside air, but even if a part of the scattered detergent liquid leaks from a gap or the like, most of the scattered detergent liquid remains in the washing tank 3. Any space can be used as long as it is created.

  Next, a main washing process is performed in which the washing pump 6 is driven and sprayed from the washing nozzle 8 onto the tableware. In this cleaning process, after the dirt is decomposed with the high-concentration detergent liquid in the pretreatment process in which the detergent liquid is scattered, the dirt on the object to be cleaned can be surely cleaned by washing with a cleaning liquid having a normal detergent concentration. Note that the detergent used in the main washing process is used in the pretreatment process, and in addition to the amount sprayed, the detergent liquid remaining in the storage unit 20 and the detergent liquid scattering means 18 is also used, so that a normal detergent Cleaning is performed by supplying cleaning water so as to obtain a concentration.

  And after performing the rinse process of several times which replaced the wash water of the washing tank 3, the rinse process is completed with the heating rinse process with the high temperature wash water heated at the end. Next, a drying process for drying the washed tableware is performed. At this time, by operating the air blowing fan (second air blowing means) 13 for drying, air outside the apparatus is sent into the washing tank 3 through the air blowing duct 37 from the air blowing outlet 45 for drying. The sent air is heated by passing around the heater 10, and then the water droplets attached to the object to be cleaned are dried.

  The high-concentration detergent liquid atomized by the ultrasonic oscillator 29 has a fine particle size of about 3 microns, so it does not convection to the upper part of the cleaning tank 3 as it is, and only drifts in the vicinity of the water surface. It is. However, in the configuration of the present invention, since the air blowing means 46 for diffusion is operated simultaneously with the operation of the detergent liquid scattering means 18 and the air in the cleaning tank 3 formed in the closed space is agitated, the detergent liquid scattering means 18. The detergent liquid scattered by the above can be quickly diffused to fill the cleaning tank 3.

  Further, since the air flow is created in the cleaning tank 3, the atomized detergent liquid can enter the narrow gaps between the objects to be cleaned and adhere to the surface of the objects to be cleaned. In addition, when the heater 10 is energized in the detergent liquid scattering step, the surface temperature of the cleaning water rises, causing air convection. As a result, the detergent liquid scattered in the cleaning tank 3 can be convected more complicatedly.

  Also, by operating the air blowing means 46 for diffusion during the drying process, the air heated by the second air blowing means 13 and the heater 10 is agitated in the cleaning tank 3 and is applied to the object to be cleaned. Drying performance can be improved by applying drying air from multiple directions.

  Further, the air blowing means 46 for diffusion is disposed in the flow space of the atomized detergent liquid generated from the detergent liquid scattering means 18, so that the high concentration atomized detergent liquid generated from the detergent liquid scattering means is obtained. On the other hand, the air can be blown directly, and the detergent liquid can be efficiently diffused.

  The diffusing air blowing means 46 has an air outlet 47, an air inlet 48, and a fan 49 driven by a motor 50, and the fan 49 is disposed in the flow space of the atomized detergent liquid. Thus, the electric system such as the motor 50 can be directly blown to the detergent liquid generated from the detergent liquid scattering means without being exposed to the washing water, and the detergent liquid can be efficiently diffused.

  In addition, the coupling between the fan 49 and the motor 50 uses a magnet's magnetic force, an oil seal, or the like to prevent the washing water from leaking from the washing tank 3, and even if the fan 49 is operated directly by the motor 50. Good.

  Further, a cover 35 is provided at the air inlet 48 of the air blowing means 46 for diffusion so that foreign matter such as leftovers removed from the object to be cleaned at the time of cleaning is not mixed into the air blowing means 46. The cover 35 can prevent bubbles from entering the blowing means 46 even if the cleaning tank 3 foams during cleaning. Further, even if bubbles enter through the blowout port 47 of the blower unit 46, the blower unit 46 can be operated and discharged out of the blower unit 46. Moreover, even if a filter is provided at the outlet 47, the intrusion of bubbles can be prevented.

  In addition, since the intake port 48 and the air outlet 47 are provided so as to be positioned above the cleaning water level of the cleaning water stored in the cleaning tank 3, the air inlet 48 and the air outlet 47 are stored in the cleaning tank 3. A predetermined air volume can be secured and the detergent liquid can be stably diffused into the cleaning tank 3 without being blocked by the cleaning water.

  Further, since the diffusing air blowing means 46 is disposed in the vicinity of the detergent liquid scattering means 18, the atomized detergent liquid can be effectively diffused by the strong air flow of the air blowing means 46.

  Further, since the diffusing air blowing means 46 is configured to blow air toward the detergent liquid scattering means 18, the atomized detergent liquid generated from the detergent liquid scattering means 18 is likely to receive energy concentrated by air blowing. The detergent liquid can be diffused into the washing tank 3 without settling below the washing tank 3.

  Further, the air inlet 48 of the air blowing means 46 for diffusion is in the vicinity of the detergent liquid scattering means 18, and even if the atomized detergent liquid is sucked and blown from the air outlet 47, the air outlet 47 is still in the detergent liquid scattering means. The detergent solution can be diffused in the same manner even when the atomized detergent solution is blown directly.

  Further, the diffusing air blowing means 46 is configured to diffuse the atomized detergent liquid generated from the detergent liquid scattering means 18 toward the object to be cleaned accommodated in the cleaning tank 3, thereby providing the air blowing means. Due to the strong flow of air 46, the detergent liquid can be efficiently and reliably attached to the object to be cleaned.

(Embodiment 2)
FIG. 4 is a cross-sectional view of the dishwasher according to Embodiment 2 of the present invention. The diffusion air blowing means 46 of the present embodiment is provided substantially above the detergent liquid scattering means 18. According to this configuration, the detergent liquid generated from the detergent liquid scattering means 18 does not settle immediately, but can be blown by the air blowing means 46 to the object to be cleaned above the washing tank 3, and the scattered detergent liquid is washed. It can be efficiently diffused into the upper space in the tank 3.

  Further, the air blowing means 46 is provided on the lid 4 that covers the opening 2 of the cleaning tank 3, and when the opening 2 of the cleaning tank 3 is closed by the lid 4, the vicinity of the detergent liquid scattering means 18. In addition to being located above the level of the cleaning water stored in the cleaning tank 3, it is difficult for dirt to adhere to the blowing means 46, and the operation can be stabilized.

(Embodiment 3)
FIG. 5 is a cross-sectional view of the dishwasher according to Embodiment 3 of the present invention. In the present embodiment, a duct 38 that guides the atomized detergent solution upward in the cleaning tank 3 is provided above the air blowing means 46 for diffusion. The duct 38 has an elongated cylindrical shape with a lower end opposed to the air blowing means 46 for diffusion, and is provided on the lid 4. According to this configuration, by passing through the duct 38 having a small cross-sectional area, the wind speed by the air blowing means 46 is increased, and the detergent liquid is vigorously blown into the upper space in the cleaning tank 3, so that the detergent solution is discharged into the upper space in the cleaning tank 3. Can be diffused efficiently.

(Embodiment 4)
FIG. 6 is a cross-sectional view of a dishwasher according to Embodiment 4 of the present invention. In the present embodiment, a diffusing air blowing means 46 is disposed in the upper part of the cleaning tank 3. According to this configuration, the detergent liquid generated from the detergent liquid scattering means 18 can be blown from multiple directions with respect to the object to be cleaned, and can be effectively diffused into the cleaning tank 3. In addition, by providing a plurality of air outlets in the blower means 46, a plurality of different air flows can be created in the cleaning tank 3 and can be diffused over a wide range in the cleaning tank 3.

(Embodiment 5)
FIG. 7 is a cross-sectional view of the dishwasher in the fifth embodiment of the present invention. Reference numeral 13 denotes a second air blowing means for supplying outside air into the cleaning tank 3 at the time of drying, and is provided with an intake port 44 opened to the atmosphere and an outlet 45 opened within the cleaning tank 3. A damper 51 that can be freely opened and closed is provided in the vicinity of the air outlet 45, and is configured to be opened by the wind pressure by the second air blowing means 13. The damper 51 may be opened and closed by a solenoid or a spring.

  When the detergent liquid is scattered, the damper 51 closes the outlet 45 of the second air blowing means 13 so that the outside air is not introduced into the cleaning tank 3, and the cleaning tank 3 becomes a closed space, and the scattered detergent liquid is scattered. Does not flow out of the aircraft through the intake port 44. Further, since the outside air is not blown into the cleaning tank 3, the detergent liquid atomized by the air blowing means 46 for diffusion is not discharged outside the cleaning tank 3 but is filled in the cleaning tank 3 to be cleaned. It can be efficiently attached to objects.

  In the drying process after the cleaning process, the damper 51 is operated, the air outlet 45 is opened, the outside air is introduced from the air inlet 44 by the second air blowing means 13, and the object to be cleaned is heated by the heater 10. The adhering moisture is exhausted from the exhaust port 39 to the outside of the cleaning tank 3.

  Note that the damper 51 may be provided at the intake port 44 of the second air blowing means 13 or a communication portion from the intake port 44 to the blower outlet 45.

(Embodiment 6)
FIG. 8 is a cross-sectional view of the dishwasher according to the sixth embodiment of the present invention. The air outlet 45 of the second air blowing means 13 is closed by the cleaning water stored in the cleaning tank 3. The blower outlet 45 is provided at a position lower than the water level c of the cleaning water stored in the cleaning tank 3 at the time of the detergent liquid scattering process, and at the time of the detergent liquid scattering process in which the detergent liquid scattering means 18 scatters the detergent liquid at a high concentration. It is sealed with washing water. According to this configuration, the inflow of outside air into the cleaning tank 3 can be easily prevented, and the cleaning tank 3 can be formed in a closed space without mechanically closing the air outlet 45.

  In addition, a second blower means 13 for supplying outside air into the cleaning tank 3 at the time of drying and an exhaust port 39 for discharging the air in the cleaning tank 3 to the outside of the apparatus are provided, and this exhaust port 39 is provided when the detergent liquid is scattered. It is designed to be closed. An exhaust damper 42 is provided in the exhaust path 41, and the exhaust damper 42 is configured to be rotatable by a shaft 43. The exhaust path 41 is blocked by the exhaust damper 42 during the detergent liquid splashing process, and is opened during the drying process. The exhaust damper 42 can be implemented by a general opening / closing mechanism such as an electric type or a spring type.

  According to this configuration, when drying, the moist air in the cleaning tank can be exhausted to the outside, and when the detergent liquid is scattered, the cleaning tank 3 can be formed in a closed space, and the detergent liquid can be efficiently applied to the object to be cleaned. Can be attached.

  The second air blowing means 13 is set so that the air volume is larger than that of the air blowing means 46 for diffusing the atomized detergent liquid, and the exhaust port is opened by the wind pressure of the second air blowing means 13 during drying. 39 is configured to be opened. The damper 42 is set so as to be opened by the wind pressure of the second blowing means 13 and not to be opened by the wind pressure of the blowing means 46 that diffuses the detergent solution. According to this configuration, the exhaust port 39 can be opened / closed according to the air volume, and when the detergent liquid is scattered, the washing tank 3 is formed in a closed space so that the detergent liquid is efficiently attached to the object to be cleaned. In addition, the wet air in the washing tank 3 can be exhausted during drying.

  Further, the air blowing means 46 is configured to be washed with the washing water supplied from the water supply means 15 to the washing tank 3. According to this configuration, the atomized detergent liquid adhering to the blowing means 46 by stirring the air in the cleaning tank 3 can be washed and removed every time the device is used. Can be stabilized.

  Further, if the blowing means 46 is configured to be washed with the washing water ejected from the washing means 8, the detergent liquid adhering to the blowing means 46 can be surely removed by the washing water jetted vigorously. . The cleaning water sprayed from the cleaning means 8 passes through a filter 52 that collects foreign substances such as leftovers on the water supply side of the cleaning pump 6. That is, the cleaning water supplied to the blowing means 46 does not reattach foreign matter, and high-pressure washing water is jetted from the washing means 8, so that the dirt adhering to the blowing means 46 is removed by the jet energy. It can be removed.

(Embodiment 7)
FIG. 9 is a cross-sectional view of the dishwasher according to the seventh embodiment of the present invention. The diffusing air blowing means 46 is configured such that the inside of the air blowing means 46 can be cleaned by using the wash water supplied from the water supply valve 15. The cleaning water supplied by the water supply valve 15 is supplied to the blower means 46 through the water supply path 52 and stored in the cleaning tank 3. By using the tap water connected to the water supply valve 15, dirt in the blower means 46 can be removed by the water pressure when the water supply valve 15 is opened. Since the tap water contains no foreign matter, the foreign matter mixed in the cleaning water does not reattach as in the case of the cleaning water touching the dishes, and the detergent solution adhering to the blowing means 46 is supplied with the water supply valve 15. It can be removed reliably and cleanly with tap water supplied vigorously.

(Embodiment 8)
FIG. 10 is a cross-sectional view of a main part of the dishwasher according to Embodiment 8 of the present invention. In the present embodiment, the air blowing means 46 is immersed in the cleaning water stored in the cleaning tank 3. When a predetermined amount of cleaning water is supplied from the water supply valve 15 during the detergent liquid scattering step, the control means 16 supplies the cleaning water to the water level B so as to be above the vibration transmission surface 33. When the ultrasonic oscillator 28 is driven at this time, the oscillation propagates through the antifreeze liquid 27 and is transmitted to the cleaning water through the vibration transmission surface 33. And the water column 34 generate | occur | produces on the water surface and the high concentration detergent liquid atomized is scattered. The diffusing air blowing means 46 is operated during the detergent liquid scattering process.

  Since the air outlet 47 and the air inlet 48 of the blower means 46 communicate with the inside of the cleaning tank 3 formed in the closed space, it is possible to prevent the scattered detergent liquid from flowing out of the machine. It is possible to improve the detergency by allowing the liquid to adhere uniformly to an object to be cleaned such as tableware without waste.

  Next, a main washing process is performed in which the washing pump 6 is driven and sprayed from the washing nozzle 8 onto the tableware. At this time, the cleaning liquid in the cleaning tank 3 is not drained but supplied from the water supply valve 15 to the water level A. The water supply valve 15 is controlled by the control means 16 so that the water level A is above the intake port 48. At this time, the washing water flows into the diffusing air blowing means 46 from the air inlet 48 and flows, so that foreign matters and detergent in the air blowing means 46 can be discharged into the washing tank 3.

  And after performing the rinse process of several times which replaced the wash water of the washing tank 3, the rinse process is completed with the heating rinse process with the high temperature wash water heated at the end. Even during this rinsing step, the washing water is supplied into the blower means 46, and foreign substances and detergents can be washed away. Therefore, the detergent solution or water-soluble foreign matter adhering to the blowing means 46 can be removed by dissolving in the immersed cleaning water. Then, the cleaning water is supplied to the inside of the air blowing means 46, and the dirt can be discharged outside without staying inside the air blowing means 46. In addition, water may be supplied from the rinsing process to the water level A so that the air blowing means 46 for diffusion is immersed.

  The control means 16 operates the diffusing air blowing means 46 in the rinsing process, and can effectively remove the detergent liquid adhering to the air blowing means 46 and flows into the air blowing means. The dirt can be discharged to the outside by the rotational force of the blowing means in the water flow of the rinsing process. The air blowing means 46 may be driven continuously or intermittently, or the direction of rotation may be reversed in the reverse direction or the number of rotations may be changed.

  Further, the control means 16 may operate the detergent liquid scattering means 18 and the diffusing air blowing means 46 in the rinsing process. In this case, the detergent liquid adhering to the air blowing means 46 can be effectively removed, and the dirt flowing into the air blowing means 46 can be removed from the rotational force of the air blowing means 46 and the detergent in the water flow of the rinsing process. The detergent liquid 18 can be discharged to the outside by the splashing of the detergent liquid and the accompanying stirring force.

  As described above, the dishwasher according to the present invention performs normal washing after spraying a high-concentration detergent solution on an object to be washed such as dishware in advance, and a dishwasher that can obtain a remarkably high washing performance. Useful as.

Sectional drawing of the dishwasher in Embodiment 1 of this invention Cross section of the main part of the dishwasher Cross section of the main part of the dishwasher Sectional drawing of the dishwasher in Embodiment 2 of this invention Sectional drawing of the dishwasher in Embodiment 3 of this invention Sectional drawing of the dishwasher in Embodiment 4 of this invention Sectional drawing of the dishwasher in Embodiment 5 of this invention Sectional drawing of the dishwasher in Embodiment 6 of this invention Sectional drawing of the dishwasher in Embodiment 7 of this invention Sectional drawing of the principal part of the dishwasher in Embodiment 8 of this invention Perspective view of a conventional dishwasher

Explanation of symbols

3 Washing tank 4 Lid 6 Washing pump 8 Washing nozzle (cleaning means)
18 Detergent spray means 46 Blower means

Claims (20)

A cleaning tank for storing objects to be cleaned such as tableware, a lid covering the opening of the cleaning tank, a cleaning pump for pressurizing cleaning water, and a cleaning means for injecting cleaning water pressurized by the cleaning pump; A detergent liquid scattering means for atomizing and scattering the high-concentration detergent liquid; and a blowing means for diffusing the scattered detergent liquid into the cleaning tank, the blowing means having a fan driven by a motor, A dishwasher configured to stir air in the washing tank formed in a closed space. 2. The dishwasher according to claim 1, wherein the blowing means is disposed in a flow space of the atomized detergent liquid generated from the detergent liquid scattering means. The dishwasher according to claim 1, wherein the blower means has an air inlet and an air outlet communicating with the inside of the washing tub, and the air inlet and the air outlet are provided above the level of the washing water stored in the washing tub. The dishwasher according to claim 1, wherein the air blowing means is disposed in the vicinity of the detergent liquid scattering means. The dishwasher according to claim 1, wherein the blowing means is configured to blow air toward the detergent liquid scattering means. 2. The dishwasher according to claim 1, wherein the blowing means diffuses the atomized detergent liquid generated from the detergent liquid scattering means toward an object to be washed accommodated in the washing tank. The dishwasher according to claim 1, wherein the blowing means is provided substantially above the detergent liquid scattering means. The dishwasher according to claim 7, further comprising a duct for guiding the atomized detergent liquid upward in the washing tank. The dishwasher according to claim 7 , wherein the air blowing means is provided on a lid that covers the opening of the washing tank. The dishwasher according to claim 1, wherein the air blowing means is disposed in an upper part of the washing tank. The dishwasher according to claim 1, wherein a second blower and an air outlet for supplying outside air into the washing tank during drying are provided, and the air outlet is closed when the detergent liquid is scattered. The dishwasher according to claim 11 , wherein the air outlet is closed by washing water stored in a washing tank. A second air blowing means for supplying outside air into the cleaning tank during drying and an exhaust port for discharging the air in the cleaning tank to the outside of the machine are provided, and the exhaust port is closed when the detergent liquid is scattered. 1. The dishwasher according to 1. The second air blowing means is set so that the air volume is larger than that of the air blowing means for diffusing the atomized detergent liquid, and the exhaust port is opened by the wind pressure of the second air blowing means during drying. Item 14. A dishwasher according to Item 13 . The dishwasher according to claim 1, further comprising a water supply means for supplying washing water to the washing tank, wherein the blower means is configured to be washable by the washing water supplied to the washing tank by the water supply means. The dishwasher according to claim 15 , wherein the blower means is configured to be washed with washing water sprayed from the washing means. The dishwasher according to claim 15 , wherein the blower means is configured to be washed with wash water supplied from a water supply means. The dishwasher according to claim 15 , wherein the blower means is configured to be immersed in washing water stored in the washing tank. 16. The dishwasher according to claim 15 , further comprising control means for controlling driving of the air blowing means, wherein the control means operates the air blowing means in a rinsing step. 16. The dishwasher according to claim 15 , further comprising control means for controlling driving of the air blowing means, wherein the control means operates the detergent liquid scattering means and the air blowing means in the rinsing step.

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