JP2019165819A - Dishwasher - Google Patents

Abstract

To provide a dishwasher in which a decorative plate constituting a kitchen table does not receive temperature change and humidity due to exhaust air.SOLUTION: A dishwasher 100 comprises; a housing 10; a washing tank 20: a door part 11; a first blowing device 14 discharging air inside the washing tank 20; and an exhaustion mechanism part 30. The exhaustion mechanism part 30 has an air guiding part for forming a discharge path of air, and a second blowing device supplying air outside the washing tank into the air guiding part. The air guiding part is constituted of an upward path in which air infiltrated from the washing tank 20 by the first blowing device 14 directs upward, and a downward path in which air passing the upward path directs downward. Due to that air supplied from the second blowing device is supplied to the downward path, a mixing chamber in which air discharged from the washing tank 20 and air outside the washing tank 20 are mixed is formed so as to adjust temperature and humidity of exhaust air.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a dishwasher for cleaning dishes.

  As a conventional dishwasher, a dishwasher accommodated in a system kitchen has been proposed (see, for example, Patent Document 1). The tableware washing machine of patent document 1 draws out a washing tub from a tableware washing machine main body, accommodates tableware in this washing tub, and wash | cleans this tableware.

JP 2001-046301 A

  In the configuration of the dishwasher described in Patent Document 1, it is necessary to dispose an exhaust port in front of the cleaning tank in order to discharge the air in the cleaning tank in a state of being housed in the system kitchen. However, the air discharged from the washing tank is hot and contains moisture. Therefore, if the air in the washing tub is discharged as it is from the washing tub to the outside of the dishwasher, temperature and humidity may be applied to the decorative plate constituting the kitchen table of the system kitchen, and the decorative plate may be spoiled.

  This invention solves the above subjects, and provides the dishwasher in which the decorative board which comprises a kitchen table does not receive the temperature change and moisture by exhaust air.

  A dishwasher according to the present invention includes a housing having an opening formed on the front surface, a cleaning tank housed inside the housing, a door portion attached to the front of the cleaning tank and covering the opening, and a cleaning tank. A first air blower for supplying air outside the cleaning tank and discharging air inside the cleaning tank, and the cleaning tank is attached to the front wall portion facing the door portion, An exhaust mechanism that changes the state of the air discharged from the exhaust, and the exhaust mechanism is configured to remove air between an intake port formed in the front wall portion of the cleaning tank and an exhaust port formed in the door portion. An air guide part that forms a discharge path, a second air blower that supplies air outside the cleaning tank into the air guide part, and a air duct that connects the air guide part and the second air blower. The wind part is a pipe in which the air that has entered the air guide part from the intake port of the cleaning tank by the operation of the first blower is directed upward from the intake port. And a lower path that communicates with the exhaust path of the door portion, a lower path that communicates with the exhaust port of the door portion, and a lower path that forms a pipeline that passes downward through the ascent path. The upper end of the blower pipe is connected to the upper end of the lowering path, the air supplied by the second blower connected to the lower end of the blower pipe is supplied to the lowering path, and the lowering path is discharged from the cleaning tank. Forming a mixing chamber in which the air to be mixed and the air outside the washing tank are mixed.

  The dishwasher according to the present invention includes an air guide part that forms an ascending path and a descending path, a second air blower that supplies air outside the cleaning tank to the air guide part, an air guide part, and a second air blower. And a blower pipe for connecting. In the dishwasher, the upper end of the blower pipe is connected to the upper end of the lowering path, and the air supplied by the second blower connected to the lower end of the blower pipe is supplied to the lowering path. Forms a mixing chamber in which the air discharged from the cleaning tank and the air outside the cleaning tank are mixed. In the mixing chamber, the temperature and humidity are adjusted by mixing the air discharged from the cleaning tank into the air guide section with the air outside the cleaning tank supplied by the second blower. As a result, the decorative plate constituting the kitchen table is not subjected to temperature change and moisture by the air in the cleaning tank discharged to the outside of the dishwasher.

It is a front view of the dishwasher which concerns on Embodiment 1 of this invention. It is an AA line cross-sectional schematic diagram of the tableware washing machine of FIG. It is a front view of the washing tank of FIG. It is a block diagram of the control apparatus of FIG. It is an enlarged view of the exhaust mechanism part in the B section of the cleaning tank of FIG. It is CC sectional view taken on the line of the washing tank and exhaust mechanism part of FIG. It is an enlarged view of the exhaustion mechanism part in the D section of the washing tank of FIG. It is a front view of the washing tank of the dishwasher of Embodiment 2 of this invention. It is an enlarged view of the exhaustion mechanism part in the E section of the washing tank of FIG. It is a perspective view of the washing tank of the dishwasher of Embodiment 3 of this invention. It is sectional drawing in the F section of the extending part of FIG.

  Hereinafter, a dishwasher 100 according to an embodiment of the present invention will be described with reference to the drawings. In the following drawings including FIG. 1, the relative dimensional relationship and shape of each component may be different from actual ones. In the following drawings, the same reference numerals denote the same or corresponding parts, and this is common throughout the entire specification. In addition, in order to facilitate understanding, terms representing directions or positions (for example, “up”, “down”, “right”, “left”, “front”, “back”, etc.) are used as appropriate. However, these notations are merely described as such for convenience of explanation, and do not limit the arrangement and orientation of the apparatus or components.

Embodiment 1 FIG.
FIG. 1 is a front view of a dishwasher 100 according to Embodiment 1 of the present invention. FIG. 2 is a schematic cross-sectional view taken along line AA of the dishwasher 100 of FIG. The structure of each part of the dishwasher 100 is demonstrated with reference to FIG.1 and FIG.2. In addition, the X-axis shown in the following drawings shows the left-right width direction of the dishwasher 100 with the X1 side as the left and the X2 side as the right. The Y axis indicates the depth direction before and after the dishwasher 100 with the Y1 side as the front and the Y2 side as the back. Furthermore, the Z-axis indicates the vertical direction of the dishwasher 100 with the Z1 side up and the Z2 side down. The X axis, the Y axis, and the Z axis are orthogonal to each other, the X axis and the Y axis are in the horizontal direction, and the Z axis is in the vertical direction with respect to the X axis and the Y axis.

[Dishwasher 100]
The dishwasher 100 which concerns on Embodiment 1 of this invention is a washing machine for washing | cleaning the tableware 80 incorporated and used for a kitchen table, for example. As shown in FIG. 2, the dishwasher 100 includes a housing 10 that is an outline of the dishwasher 100, and a cleaning tank 20 that is housed in the housing 10 and stores the dishes 80. The dishwasher 100 is provided on the upper surface of the cleaning tank 20, and is attached to the front of the cleaning tank 20 with a lid 21 that opens and closes the upper surface opening 20 a of the cleaning tank 20. And a door portion 11 that is opened and closed when the cleaning tank 20 accommodated therein is taken out. Furthermore, the dishwasher 100 includes a control device 18 that controls the operation of the dishwasher 100.

(Case 10)
The housing 10 is formed in a box shape, and a front opening 10 a is formed on the front surface of the housing 10. The front opening 10a is an opening that penetrates the front wall of the housing 10, and the door 11 is disposed in the front opening 10a. The cleaning tank 20 is accommodated inside the housing 10 through the front opening 10a and pulled out from the housing 10. A water supply valve 12 is provided inside the housing 10. The water supply valve 12 is a valve that supplies tap water from the outside of the housing 10 into the cleaning tank 20 and stops supplying tap water to the cleaning tank 20. Further, inside the housing 10, a drying heater 13 for heating the air to warm air behind the cleaning tank 20 and a first air blow for supplying the warm air into the cleaning tank 20. A device 14 is attached to each. The first blower 14 supplies the air heated by the drying heater 13 into the cleaning tank 20. That is, the first air blower 14 supplies the air outside the washing tub 20 to the inside of the washing tub 20 and discharges the air inside the washing tub 20 to the outside of the dishwasher 100 by the supplied air.

(Washing tank 20)
The cleaning tank 20 is formed in a box shape, and an upper surface opening 20 a is formed on the upper surface of the cleaning tank 20. The upper surface opening 20 a is an opening formed on the upper surface of the cleaning tank 20, and the user stores the tableware 80 inside the cleaning tank 20 through the upper surface opening 20 a, and the interior of the cleaning tank 20. The tableware 80 can be taken out from. The tableware 80 stored in the cleaning tank 20 is placed in a tableware basket 81 provided in the cleaning tank 20. A recess 22 bulging vertically downward (Z-axis direction) is provided on at least a part of the bottom wall portion 20b of the cleaning tank 20. A water level detection device 23 for detecting the water level of the cleaning water stored in the cleaning tank 20 and a water temperature detection device 24 for detecting the temperature of the cleaning water are provided on one of the four side surfaces of the recess 22. And a water heater 25 for heating the cleaning water are respectively attached. A pressurizing pump 26 that pressurizes the cleaning water is attached in communication with an opening formed on the side surface of the recess 22.

  The pressure pump 26 is provided outside the cleaning tank 20. The cleaning water pressurized by the pressurizing pump 26 is sent to the cleaning nozzle 28 through the shaft portion 27 provided on the bottom wall portion 20 b of the cleaning tank 20. The shaft portion 27 has one end connected to the pressurizing pump 26 and the other end connected to the cleaning nozzle 28. A plurality of through holes are formed in the cleaning nozzle 28, and cleaning water that is pressurized and sent from the pressurizing pump 26 is jetted from the through holes. The cleaning nozzle 28 is disposed below the tableware 80. Then, the cleaning water sent by the pressure pump 26 is jetted from the cleaning nozzle 28 toward the tableware 80, and the tableware 80 is cleaned. Similarly to the pressurizing pump 26, a drainage pump 29 is provided outside the cleaning tank 20. The drainage pump 29 communicates with the recess 22 of the cleaning tank 20 via the drainage pipe 29a, and drains the cleaning water stored in the cleaning tank 20.

  The cleaning tank 20 is moved forward (Y1) by pulling the door portion 11 from the casing 10 to the front side by a fixed rail 15 provided in the casing 10 and a movable rail (not shown) provided in the cleaning tank 20. Side). The housing 10 is provided with a holding mechanism 16 for holding the cleaning tank 20 inside the housing 10 so as not to move forward except when the cleaning tank 20 is required. When the cleaning tank 20 is pushed into the interior direction (Y2 side) of the housing 10 to a predetermined holding position, the cleaning tank 20 is held at a predetermined position by the holding mechanism 16. At this time, the holding mechanism 16 is urged by a force opposite to the direction (Y1 direction) in which the cleaning tank 20 is pulled out by an elastic body (not shown) such as a spring, for example. 10 can be retained.

(Cover body 21)
The lid 21 opens and closes an upper surface opening 20 a formed at the upper part of the cleaning tank 20, and partitions the inside and the outside of the cleaning tank 20. The lid 21 is provided at the upper part of the inner surface of the housing 10. One end of a link mechanism (not shown) is attached to the lid body 21, and the other end of the link mechanism is attached to the upper part of the inner surface of the housing 10. By this link mechanism, the lid body 21 is lifted when the cleaning tank 20 is pulled out from the housing 10 to open the cleaning tank 20, and is lowered when the cleaning tank 20 is stored in the housing 10. The cleaning tank 20 is closed. Further, the lid body 21 is configured not to be pulled out of the casing 10 together with the cleaning tank 20 when the cleaning tank 20 is pulled out of the casing 10 by the link mechanism.

(Door part 11)
As shown in FIGS. 1 and 2, a door portion 11 is provided on the front surface of the dishwasher 100. The door portion 11 is attached in front of the cleaning tank 20 and covers the front opening 10 a of the housing 10. The door portion 11 constitutes a part of the wall portion on the front side of the housing 10. On the upper part of the door portion 11, a handle portion 17 is provided for placing a hand when the cleaning tank 20 is pulled out from the housing 10 to the front side (Y1 side). The door portion 11 has an operation panel 19 at the top, and an operation portion 19a is provided on the right side of the operation panel 19 in the left-right direction (X-axis direction). The operation unit 19 a receives an operation instruction input by the user and outputs an operation signal corresponding to the input to the control device 18. The operation unit 19a is provided with a power switch 19a1 for turning on the dishwasher 100 and an operation switch 19a2 for starting or temporarily stopping the operation of the dishwasher 100. In addition, at the left side (X1 side) of the door portion 11 in the left-right direction (X-axis direction) and substantially at the center in the up-down direction (Z-axis direction), the exhaust for exhausting the air in the washing tub 20 to the outside of the dishwasher 100. A mouth 11a is formed.

  FIG. 3 is a front view of the cleaning tank 20 of FIG. As shown in FIG. 3, a control device 18 and an exhaust mechanism 30 are attached to the front wall portion 20 c of the cleaning tank 20. The front wall portion 20 c is a wall surface facing the door portion 11, and a space is formed between the front wall portion 20 c and the door portion 11. More specifically, as shown in FIG. 2 and FIG. 3, the control device 18 and the exhaust mechanism 30 are attached to the surface of the front wall portion 20 c facing the door portion 11, and are cleaned with the door portion 11. It arrange | positions in the space between the front wall parts 20c of the tank 20. As shown in FIG. As shown in FIG. 3, the control device 18 is attached to the lower right portion of the front wall portion 20c. Moreover, as shown in FIG. 3, the side part opening 33 is formed in the upper left part of the front wall part 20c. The exhaust mechanism 30 is attached to a side opening 33 formed in the front wall 20c of the cleaning tank 20. The exhaust mechanism unit 30 is a mechanism that discharges the air in the cleaning tub 20 to the outside of the dishwasher 100, and is a mechanism that changes the state of the air discharged from the cleaning tub 20. The air state is, for example, temperature or humidity.

(Control device 18)
FIG. 4 is a block diagram of the control device 18 of FIG. The control device 18 is, for example, dedicated hardware or a CPU (also referred to as a central processing unit, a central processing device, a processing device, an arithmetic device, a microprocessor, a microcomputer, or a processor) that executes a program stored in a storage unit. Composed. The control device 18 controls the operation of each device constituting the dishwasher 100. The control device 18 receives information detected by the water level detection device 23 and the water temperature detection device 24. The control device 18 controls the water supply valve 12, the pressure pump 26, the water heater 25, the drainage pump 29, the first blower 14, the drying heater 13, the second blower 50, and the like. The control device 18 also has a timekeeping function. For example, the control device 18 turns on or off the first air blower 14 at a predetermined time interval in any one or more of the cleaning step, the rinsing step, the heating rinsing step, the drying step, etc. The air volume of the air blown into the cleaning tank 20 from the first blower 14 is adjusted. As a result, the control device 18 can adjust the temperature and humidity of the air discharged from the washing tub 20 to the outside of the dishwasher 100. Similarly, the control device 18 turns on or off the second blower device 50 at predetermined time intervals in any one or more of the cleaning step, the rinsing step, the heating rinsing step, the drying step, and the like. The air volume of air supplied from the second blower 50 to the air guide section 31 to be described later is adjusted. As a result, the control device 18 can further adjust the temperature and humidity of the air discharged from the washing tub 20 to the outside of the dishwasher 100. Furthermore, the control device 18 turns on or off the first air blower 14 at predetermined time intervals in any one or more of the cleaning step, the rinsing step, the heating rinsing step, the drying step, etc. The air volume of the air blown into the cleaning tank 20 from the first blower 14 is adjusted. And the control apparatus 18 turns on or off the power supply of the 2nd air blower 50 at predetermined time intervals in any one or more processes together with the control of the first air blower 14, and the second air blower 50. From the above, the air volume of air supplied to the air guide section 31 described later may be adjusted. As a result, the control device 18 can further adjust the temperature and humidity of the air discharged from the washing tub 20 to the outside of the dishwasher 100. In addition, the control device 18 controls the first blower 14 to be turned on or off, and controls the drying heater 13 to be turned on or off so that the dishwasher 100 can be turned on from the washing tub 20. The temperature and humidity of the air discharged to the outside can be adjusted.

(Exhaust mechanism 30)
FIG. 5 is an enlarged view of the exhaust mechanism section 30 in the section B of the cleaning tank 20 of FIG. The configuration of the exhaust mechanism unit 30 will be described with reference to FIG. The exhaust mechanism unit 30 includes a second blower 50, a blower pipe 32, and a wind guide part 31.

(Second blower 50)
The second blower 50 supplies air outside the cleaning tank 20 to the air path in the air guide section 31. The air supplied into the air guide section 31 by the second blower 50 is mixed with the heated air in the washing tub 20 passing through the air guide section 31, so that the temperature and the outside of the dishwasher 100 are outside. Air with adjusted humidity is discharged. The second blower 50 includes, for example, a motor and a fan, sucks air outside the cleaning tank 20 by rotation of the fan accompanying rotation of the motor, and supplies the sucked air into the air guide section 31. The second blower device 50 is disposed below the air guide portion 31. By disposing the second blower device 50 below the air guide 31, it is possible to suck in low-temperature air located below the dishwasher 100 and supply low-temperature air into the air guide 31. can do.

(Blower pipe 32)
The blower pipe 32 is a pipe that connects the second blower device 50 and the air guide unit 31, and guides the air supplied by the second blower device 50 into the wind guide unit 31. The lower end 32 b of the blower pipe 32 is connected to the second blower 50, and the upper end 32 a of the blower pipe 32 is connected to the air guide part 31. The air duct 32 extends in the vertical direction (Z-axis direction) and is disposed along the side wall portion 31 g of the air guide portion 31. The side wall portion 31 g of the air guide portion 31 is a wall extending in the vertical direction (Z-axis direction), and is between the front wall portion 20 c of the cleaning tank 20 and the air guide front wall portion 31 a of the air guide portion 31. It is the wall which is arranged in. That is, the air duct 32 is disposed on the side of the air guide portion 31 in the left-right direction (X-axis direction) of the air guide portion 31. The upper end portion 32a of the air duct 32 is bent toward the side wall portion 31g of the air guide portion 31 and connected to the upper end portion 31g1 of the side wall portion 31g. In FIG. 5, the air duct 32 is disposed on the left side (X1 side) of the air guide part 31 in the left-right direction (X-axis direction) of the air guide part 31, and the upper end part 31g1 faces the right side (X2). Are bent and connected to the side wall portion 31g on the left side (X1 side) of the air guide portion 31. However, the arrangement relationship between the air duct 32 and the air guide portion 31 is not limited to the configuration. For example, the air duct 32 is arranged on the right side (X2 side) of the air guide part 31 in the left-right direction (X-axis direction) of the air guide part 31, and the upper end part 31g1 is bent toward the left side (X1). You may connect with the side wall part 31g of the right side (X2 side) of the wind guide part 31. FIG.

(Wind guide 31)
FIG. 6 is a cross-sectional view of the cleaning tank 20 and the exhaust mechanism 30 of FIG. The internal structure of the air guide part 31 is demonstrated using FIG. The air guide portion 31 forms an exhaust path that allows the inside of the cleaning tank 20 to communicate with the outside of the door portion 11. The air in the washing tub 20 is discharged from the washing tub 20 to the outside of the dishwasher 100 via the air guide portion 31 by the air supplied from the outside of the washing tub 20 by the first blower 14 to the inside of the washing tub 20. Is done. The wind guide portion 31 is formed in a box shape and has a wind guide front wall portion 31 a that forms a surface facing the door portion 11. An internal exhaust port 34 communicating with the exhaust port 11a of the door portion 11 is formed at the lower end portion of the wind guide front wall portion 31a. The air guide portion 31 forms an air discharge path between the air inlet 35 formed in the front wall portion 20 c of the cleaning tank 20 and the air outlet 11 a formed in the door portion 11. The wind guide portion 31 has a wind guide rear wall portion 31 b that faces the front wall portion 20 c of the cleaning tank 20. The air guide rear wall portion 31 b faces the front wall portion 20 c of the cleaning tank 20 on the surface opposite to the surface facing the front wall portion 20 c of the cleaning tank 20. The wind guide rear wall portion 31 b is disposed in a side opening 33 formed in the front wall portion 20 c of the cleaning tank 20. The length of the wind guide rear wall portion 31b in the vertical direction (Z-axis direction) is smaller than the length of the wind guide front wall portion 31a in the vertical direction. An intermediate wall portion 31c is disposed between the wind guide rear wall portion 31b and the wind guide front wall portion 31a. The length in the vertical direction (Z-axis direction) of the intermediate wall portion 31c is larger than the length in the vertical direction of the wind guide rear wall portion 31b. Further, the length in the vertical direction (Z-axis direction) of the intermediate wall portion 31c is smaller than the length in the vertical direction of the wind guide front wall portion 31a. The wind guide front wall portion 31 a and the wind guide rear wall portion 31 b are formed continuously with the ceiling wall portion 31 d that forms the top surface of the wind guide portion 31. A space is formed between the intermediate wall portion 31c and the ceiling wall portion 31d. That is, in the wind guide portion 31, the intermediate wall portion 31c defines a space between the wind guide front wall portion 31a and the wind guide rear wall portion 31b, and the intermediate wall portion 31c and the wind guide front wall portion 31a are separated from each other. The space formed between and the space formed between the intermediate wall portion 31c and the wind guide rear wall portion 31b communicate with each other upward. The wind guide front wall portion 31a and the intermediate wall portion 31c are formed continuously with the bottom wall portion 31e forming the bottom surface. At the both ends in the left and right direction (X-axis direction) of the wind guide front wall portion 31a and the wind guide rear wall portion 31b, the side wall portion shown in FIG. 5 is provided between the wind guide front wall portion 31a and the wind guide rear wall portion 31b. It is covered with 31g. Further, at both ends in the left-right direction (X-axis direction) of the wind guide front wall portion 31a and the intermediate wall portion 31c, a space between the wind guide front wall portion 31a and the intermediate wall portion 31c is a side wall portion 31g shown in FIG. Covered.

  Returning to FIG. 6, the air guide portion 31 has an intermediate bottom wall portion 31 f extending from the intermediate wall portion 31 c toward the front wall portion 20 c of the cleaning tank 20 at an intermediate position in the vertical direction (Z-axis direction). . In the wind guide portion 31, an internal air inlet 36 is formed between the intermediate bottom wall portion 31f and the wind guide rear wall portion 31b by the intermediate bottom wall portion 31f and the wind guide rear wall portion 31b. The internal air inlet 36 communicates with the air inlet 35 formed at the lower end of the side opening 33 at the side opening 33 formed in the front wall portion 20 c of the cleaning tank 20. As shown in FIG. 6, in the vertical direction (Z-axis direction), the internal exhaust port 34 formed at the lower end portion of the wind guide front wall portion 31 a is formed below the intake port 35. As shown in FIG. 6, the front wall portion 20c of the cleaning tank 20 is inclined so that the upper end portion 20c1 is located closer to the door portion 11 (Y1 side) than the lower end portion 20c2. Therefore, in the dishwasher 100, the distance between the lower end portion 20c2 of the front wall portion 20c and the door portion 11 is larger than the distance between the upper end portion 20c1 of the front wall portion 20c and the door portion 11. And the space which can be made between the washing tank 20 and the door part 11 becomes large as it goes to the downward direction from the upper direction of the washing tank 20 in the perpendicular direction (Z-axis direction).

  FIG. 7 is an enlarged view of the exhaust mechanism section 30 in the section D of the cleaning tank 20 of FIG. The white arrows shown in FIG. 7 indicate the flow of air discharged from the washing tub 20 to the outside of the dishwasher 100. A rising path 40 is formed in the wind guide portion 31 between the wind guide rear wall portion 31b and the intermediate wall portion 31c. The ascending path 40 is a path through which air that has entered the air guide portion 31 from the air inlet 35 of the cleaning tank 20 through the operation of the first blower device 14 is directed upward from the air inlet 35 in the air guide portion 31. This is the part to be formed. The ascending path 40 is formed by the wind guide rear wall portion 31b, the intermediate wall portion 31c, the side wall portion 31g, and the ceiling wall portion 31d. In the wind guide portion 31, a descending path 41 is formed between the wind guide front wall portion 31a and the intermediate wall portion 31c. The descending path 41 is a part in the air guide section 31 where air that has passed through the ascending path 40 forms a pipe line that goes downward from the upper end portion 40 c of the ascending path 40. The descending path 41 is formed by the wind guide front wall portion 31a, the intermediate wall portion 31c, the side wall portion 31g, the ceiling wall portion 31d, and the bottom wall portion 31e. The lower path 41 has an upper end portion 41 b communicating with the ascending path 40, an inner exhaust port 34 is formed at the lower end portion 41 c, and the inner exhaust port 34 at the lower end portion 41 c communicates with the exhaust port 11 a of the door portion 11. . The upper end portion 32 a of the blower pipe 32 is connected to the side of the air flow direction from the ascending route 40 toward the descending route 41 at the upper end portion 41 b of the descending route 41.

  As shown in FIG. 7, the ascending path 40 and the descending path 41 are formed in the order of the ascending path 40 and the descending path 41 from the front wall portion 20 c side of the cleaning tank 20 toward the door portion 11 side. The length of the descending path 41 in the vertical direction (Z-axis direction) is larger than the length of the ascending path 40 in the vertical direction. A shutter 37 is provided in the upper space in the air guide portion 31 where the ascending path 40 and the descending path 41 communicate with each other. When the air discharged from the washing tub 20 to the outside of the dishwasher 100 flows through the air guide 31, the shutter 37 is provided in the air guide 31 where the ascending path 40 and the descending path 41 communicate with each other. The upper space is opened and the ascending path 40 and the descending path 41 are communicated. When the air discharged from the washing tub 20 to the outside of the dishwasher 100 does not flow through the air guide 31, the shutter 37 is an upper part in the air guide 31 where the ascending path 40 and the descending path 41 communicate with each other. The space is closed and the ascending path 40 and the descending path 41 are blocked. By having the shutter 37, the air guide portion 31 prevents moisture in the descending path 41 and prevents condensation. As a result, the dishwasher 100 can prevent the dew condensation water from flowing out of the dishwasher 100 from the internal exhaust port 34 through the exhaust port 11a.

  The ascending path 40 is provided with lower projecting wall portions 40a and upper projecting wall portions 40b that alternately project in the traveling direction of the air discharged from the washing tub 20 to the outside of the dishwasher 100. . The lower protruding wall portion 40a is a wall protruding from the wind guide rear wall portion 31b toward the intermediate wall portion 31c. A space is formed between the front end portion of the lower protruding wall portion 40a and the wind guide rear wall portion 31b. The upper protruding wall portion 40b is a wall that protrudes from the intermediate wall portion 31c toward the wind guide rear wall portion 31b. A space is formed between the front end portion of the upper protruding wall portion 40b and the intermediate wall portion 31c. The wind guide portion 31 is formed with the lower projecting wall portion 40a and the upper projecting wall portion 40b in the ascending path 40, so that the ducts in the ascending path 40 meander and can be formed longer. Therefore, the air guide part 31 can reduce the temperature of the air flowing in the ascending path 40. Further, the air guide portion 31 is formed with a lower projecting wall portion 40a and an upper projecting wall portion 40b in the ascending path 40, so that the pipe line in the ascending path 40 is directed forward and backward from the intake port 35. It is bent in the Y axis direction. Therefore, the air guide portion 31 can prevent the cleaning water in the cleaning tank 20 that enters the air guide portion 31 from the intake port 35 from moving up the ascending path 40.

  An air intake 41 a that is a through hole is formed at the upper end portion 41 b of the descending path 41. More specifically, the air intake 41 a is formed in the side wall portion 31 g of the air guide portion 31. An upper end portion 32a of the blower pipe 32 is connected to the air intake port 41a. That is, the upper end portion 32 a of the blower pipe 32 is connected to the upper end portion 41 b of the descending path 41. Therefore, the air supplied by the second air blower 50 connected to the lower end 32 b of the blower pipe 32 is supplied to the upper end 41 b of the descending path 41 in the air guide part 31. In the descending path 41, the air outside the cleaning tank 20 supplied from the air intake 41a and the air discharged from the cleaning tank 20 supplied from the ascending path 40 are mixed below the air intake 41a. A mixing chamber 43 is formed. The air guide section 31 mixes the air outside the washing tub 20 and the air discharged from the washing tub 20 in the mixing chamber 43, so that the outside of the tableware washing machine 100 is discharged from the exhaust port 11 a of the tableware washing machine 100. Adjust the temperature and humidity of the air that is discharged.

[Operation of dishwasher 100]
Next, an operation when the tableware 80 is washed and dried by the tableware washing machine 100 will be described. First, when the user puts his hand on the handle portion 17 and pulls the door portion 11 to the front side (Y1 side), the cleaning tank 20 is pulled out from the housing 10. Then, the user places the tableware 80 on the tableware basket 81 arranged in the cleaning tank 20 from the upper surface opening 20 a of the cleaning tank 20. When the user puts an appropriate amount of detergent into the cleaning tank 20 and closes the door portion 11, the cleaning tank 20 is pushed into the housing 10 and accommodated. The cleaning tank 20 is held at a position where the door portion 11 is closed by the holding mechanism 16.

  Next, when the operation switch 19a2 provided on the operation panel 19 is pressed by the user, the dishwasher 100 starts its operation. The operation of the dishwasher 100 is controlled by the control device 18 and proceeds in the order of a cleaning process, a rinsing process, a heating rinsing process, and a drying process.

  When the operation switch 19a2 is pushed by the user, the control device 18 first starts the cleaning process. In the dishwasher 100, when the cleaning process is started, the water supply valve 12 is first opened, and tap water for cleaning is supplied into the cleaning tank 20. At this time, the water level in the cleaning tank 20 is detected by the water level detector 23. And the control apparatus 18 will close the water supply valve 12, if it detects from the water level detection apparatus 23 that the water level in the washing tank 20 reached the predetermined water level.

  Next, the control device 18 energizes the water heater 25 to heat the cleaning water stored in the cleaning tank 20, energizes the pressurizing pump 26, and applies pressure to the cleaning water via the shaft portion 27. Cleaning water is supplied to the cleaning nozzle 28. The cleaning water is water obtained by adding detergent to the tap water stored in the cleaning tank 20. Then, cleaning water is sprayed to the tableware 80 from an injection port (not shown) formed in the cleaning nozzle 28. At this time, the cleaning nozzle 28 rotates in a predetermined direction around the shaft portion 27 by a reaction force corresponding to the amount of cleaning water sprayed, and sprays the cleaning water uniformly onto the dishes 80 while rotating. Class 80 is washed. The dishwasher 100 is configured to rotate the cleaning nozzle 28 with cleaning water sprayed from the cleaning nozzle 28 without separately providing a driving means such as a motor for rotating the cleaning nozzle 28.

  Here, in the dishwasher 100, the cleaning in the cleaning process is performed while circulating the cleaning water stored in the cleaning tank 20. The dishwasher 100 collects the washing water that has dropped onto the bottom wall portion 20b of the washing tank 20, applies pressure again with the pressure pump 26, and sprays the washing water onto the dishes 80 using the washing nozzle 28. Is repeated. Since the upper surface opening 20 a of the cleaning tank 20 is closed by the lid body 21, the cleaning water does not splash outside the cleaning tank 20.

  The washing in the dishwasher 100 is performed while the washing water is heated by the water heater 25, and the temperature of the washing water is set to a temperature that can maximize the ability of the enzyme contained in the detergent. It is normal and is set to about 60 ° C. The temperature of the cleaning water is detected by the water temperature detection device 24. Then, when the controller 18 detects that the temperature of the cleaning water has reached a predetermined temperature by the water temperature detector 24, the controller 18 stops energization of the water heater 25.

  When the cleaning process is started and a predetermined time elapses, the control device 18 stops energization of the water heater 25 and the pressurization pump 26 and energizes the drain pump 29 to supply the cleaning water stored in the cleaning tank 20. Drain from the housing 10 to the outside. And if drainage is completed from the housing | casing 10, the control apparatus 18 will stop the electricity supply to the drainage pump 29, and, thereby, the dishwasher 100 will complete | finish a washing | cleaning process.

  When the cleaning process is completed, the control device 18 subsequently starts the rinsing process, but the basic operation is almost the same as the cleaning process. First, the control device 18 opens the water supply valve 12 to supply tap water for rinsing into the cleaning tank 20. And the control apparatus 18 will close the water supply valve 12, if it detects that the water level in the washing tank 20 reached the predetermined water level by the water level detection apparatus 23. FIG.

  Next, the control device 18 energizes the pressurizing pump 26, applies pressure to the rinsing water stored in the cleaning tank 20, and supplies the rinsing water to the cleaning nozzle 28 via the shaft portion 27. Then, the rinsing water supplied to the cleaning nozzle 28 is sprayed to the tableware 80 from an ejection port (not shown) of the cleaning nozzle 28. The sprayed rinsing water is applied to the dishes 80, and the cleaning water and fine dirt remaining on the dishes 80 are removed.

  Then, when the rinsing process is started and a predetermined time has elapsed, the control device 18 stops energization of the pressurizing pump 26 and energizes the drainage pump 29 to bring the rinsing water stored in the cleaning tank 20 to the outside. Drain. In the rinsing process, this series of operations is repeated several times. In this rinsing step, the water for rinsing is not heated by the water heater 25.

  When the rinsing process is completed, the control device 18 starts the heating rinsing process. The basic operation is the same as that of the cleaning process or the rinsing process. In the rinsing process, the rinsing water is heated by the water heater 25. Is different. The temperature of the rinsing water is usually higher than the temperature of the rinsing water in order to finish the end of the washing and to increase the temperature of the dishes 80 to improve the drying performance, generally 70 It is set to be equal to or higher than 75 ° C. (75 ° C. or higher for the O-157 countermeasure).

  When the heating rinsing process is completed, the control device 18 starts the drying process, which is the last process. When starting the drying process, the control device 18 first energizes the first blower device 14 and the drying heater 13. Thereafter, air is introduced into the drying heater 13 by the first blower 14, and the introduced air is heated by the drying heater 13, and then the heated air is supplied into the cleaning tank 20. The air heated by the drying heater 13 is supplied into the cleaning tank 20 by the first blower 14 and dries the tableware 80 and the inner surface of the cleaning tank 20. And the air which dried these is discharged | emitted from the inlet 35 of the washing tank 20 to the wind guide part 31 of the exhaust mechanism part 30 by supply of the new air in the washing tank 20 by the 1st air blower 14. . Further, the control device 18 energizes the second blower device 50 and supplies air outside the cleaning tank 20 to the air guide portion 31 of the exhaust mechanism portion 30.

  The air discharged from the cleaning tank 20 into the air guide 31 passes through the rising path 40 from the internal air inlet 36 and moves upward in the air guide 31. Then, the air that has passed through the ascending path 40 moves to the descending path 41 and descends the descending path 41. Further, the air sucked outside the cleaning tank 20 by the second blower 50 is supplied into the descending path 41 from the air intake port 41 a formed in the upper end portion 41 b of the descending path 41 through the blower pipe 32. . Then, in the mixing chamber 43 formed in the descending path 41, the air outside the cleaning tank 20 supplied from the air intake 41a and the air in the cleaning tank 20 supplied from the ascending path 40 are mixed. The air discharged from the cleaning tank 20 into the air guide section 31 is mixed with the air outside the cleaning tank 20 supplied by the second blower device 50 in the mixing chamber 43, so that the temperature and humidity are adjusted. The The air whose temperature and humidity are adjusted in the mixing chamber 43 while descending the descending path 41 passes through the internal exhaust port 34 formed in the lower end portion 41 c of the descending path 41 and the exhaust port 11 a formed in the door portion 11. It is discharged from the exhaust mechanism 30 to the outside of the dishwasher 100.

  Then, when the drying process is started and a predetermined time elapses, the control device 18 stops energization of the first air blower 14, the drying heater 13, and the second air blower 50, whereby the drying process ends. . When the drying process is completed, all processes executed by the dishwasher 100 are completed.

  When all the steps are completed, the user takes out the tableware 80. Similarly to the case where the tableware 80 is placed in the tableware basket 81 in the washing tub 20, when the user puts his hand on the handle 17 and pulls the door 11 to the front side (Y1 side), the housing The washing tank 20 is pulled out from 10. And the tableware 80 mounted in the tableware basket 81 is taken out from the upper surface opening part 20a of the washing tank 20 by the user. Thereafter, when the door portion 11 is closed by the user, the cleaning tank 20 is pushed into the housing 10 and accommodated.

  The dishwasher 100 according to the present invention includes an air guide portion 31 that forms an ascending path 40 and a descending path 41, a second blower device 50 that supplies air outside the cleaning tank 20 to the air guide section 31, and an air guide A blower pipe 32 that connects the part 31 and the second blower 50. In the dishwasher 100, the upper end 32a of the air duct 32 is connected to the upper end 41b of the descending path 41, and the air supplied by the second air blower 50 connected to the lower end 32b of the air duct 32 is lowered. It is supplied to the path 41. The descending path 41 forms a mixing chamber 43 in which the air discharged from the cleaning tank 20 and the air outside the cleaning tank 20 are mixed. In the mixing chamber 43, the air discharged from the cleaning tank 20 into the air guide section 31 is mixed with the air outside the cleaning tank 20 supplied by the second blower 50, so that the temperature and humidity are increased. Is adjusted. As a result, the decorative plate constituting the kitchen table is not subjected to temperature change and moisture by the air in the cleaning tank 20 discharged to the outside of the dishwasher 100. Moreover, the dishwasher 100 can prevent a user's burn by reducing the temperature of the air in the washing tank 20 discharged outside the dishwasher 100.

  In the dishwasher 100, the control device 18 turns on or off the power of the first air blower 14 to adjust the amount of air blown from the first air blower 14 into the washing tank 20. As a result, the control device 18 can adjust the temperature and humidity of the air discharged from the washing tub 20 to the outside of the dishwasher 100. Similarly, the control device 18 turns on or off the power of the second air blower 50 and adjusts the amount of air supplied from the second air blower 50 to the air guide section 31 described later. As a result, the control device 18 can further adjust the temperature and humidity of the air discharged from the washing tub 20 to the outside of the dishwasher 100. Further, the control device 18 turns on or turns off the first air blower 14 to adjust the air volume of the air blown from the first air blower 14 into the cleaning tank 20. And the control apparatus 18 turns on the power supply of the 2nd air blower 50, or turns off with the control of the 1st air blower 14, and the air volume supplied to the air guide part 31 mentioned later from the 2nd air blower 50 is calculated. adjust. As a result, the control device 18 can further adjust the temperature and humidity of the air discharged from the washing tub 20 to the outside of the dishwasher 100.

  In the dishwasher 100, the upper end 32 a of the blower pipe 32 is connected to the side of the air flow direction from the ascending path 40 toward the descending path 41 at the upper end 41 b of the descending path 41. Therefore, in the mixing chamber 43, it is easy to mix the air discharged from the cleaning tank 20 into the air guide section 31, and the air outside the cleaning tank 20 supplied by the second blower 50, and the dishwasher It is easy to adjust the temperature and humidity of the air discharged to the outside of 100.

  Further, the second blower 50 is disposed below the air guide portion 31. By disposing the second blower 50 below the air guide section 31, the dishwasher 100 can suck in low-temperature air located below the dishwasher 100, and introduce low-temperature air. The air can be supplied into the wind portion 31. As a result, the dishwasher 100 can further easily adjust the temperature and humidity of the air discharged from the washing tank 20 to the outside of the dishwasher 100.

Embodiment 2. FIG.
FIG. 8 is a front view of the washing tub 20 of the dishwasher 100 according to the second embodiment of the present invention. FIG. 9 is an enlarged view of the exhaust mechanism section 30 in the section E of the cleaning tank 20 of FIG. The white arrows shown in FIG. 9 indicate the flow of air supplied from the second blower 50 into the air guide section 31. Further, the bulging portion 38 shown in FIGS. 8 and 9 shows the inside of the bulging portion 38 in order to show the positional relationship of the components in the bulging portion 38. In the dishwasher 100 according to the second embodiment, parts having the same configuration as the dishwasher 100 of FIGS. 1 to 7 are denoted by the same reference numerals and description thereof is omitted, and the dishes of FIGS. Features different from the cleaning machine 100 will be described.

  The air guide part 31 of the exhaust mechanism part 30 has a bulging part 38. As shown in FIGS. 8 and 9, the bulging portion 38 is a portion where the ceiling wall portion 31 d located above the descending path 41 bulges upward. In the bulging portion 38, the internal space of the bulging portion 38 communicates with the descending path 41. The bulging portion 38 is formed at an end portion 31d1 of the ceiling wall portion 31d on the side where the blower pipe 32 is disposed in the left-right direction (X-axis direction) of the ceiling wall portion 31d. As shown in FIG. 9, the upper end portion 32 a of the blower pipe 32 is bent in the left-right direction (X-axis direction) and is connected to the upper end portion 31 g 1 of the side wall portion 31 g at the bulging portion 38. That is, the air duct 32 is connected to the side of the air guide portion 31 that is in the left-right direction (X-axis direction). As shown in FIG. 9, a wind direction plate 39 is disposed inside the bulging portion 38. The wind direction plate 39 is disposed so as to face the front end portion 32 c of the blower pipe 32. That is, the wind direction plate 39 is disposed in the bulging portion 38 in the traveling direction of the air supplied from the blower pipe 32 into the air guide portion 31 by the second blower 50.

  The wind direction plate 39 is formed in a plate shape, and in the vertical direction, the upper end portion 39 a of the wind direction plate 39 is located above the tip end portion 32 c of the blower tube 32, and the lower end portion 39 b of the wind direction plate 39 is formed of the blower tube 32. It is the same as or below the front end portion 32c. The wind direction plate 39 is provided to be inclined toward the distal end portion 32c such that the distance between the upper end portion 39a and the distal end portion 32c of the blower tube 32 is smaller than the distance between the lower end portion 39b and the distal end portion 32c. It has been. Therefore, in the vertical direction, the distance between the wind direction plate 39 and the blower pipe 32 increases as it goes downward. The dishwasher 100 includes the bulging portion 38 and the wind direction plate 39 provided in the bulging portion 38, so that the air supplied to the descending path 41 from the upper side by the wind speed is supplied by the second blower 50. Can be supplied. It is desirable that the upper end portion 39a of the wind direction plate 39 is curved toward the tip end portion 32c side of the blower tube 32. Since the upper end portion 39a is curved toward the distal end portion 32c side of the blower tube 32, the air supplied from the blower tube 32 can easily flow along the wind direction plate 39, and the air supplied from the blower tube 32 is reduced. Pressure loss can be further reduced.

  As described above, the dishwasher 100 includes the bulging portion 38 in the air guide portion 31 and the wind direction plate 39 provided in the bulging portion 38. In the vertical direction, the distance between the wind direction plate 39 and the blower pipe 32 increases as it goes downward. Therefore, the dishwasher 100 can reduce the pressure loss of the air supplied into the air guide portion 31 by the second blower 50 and can supply the air to the descending path 41 by increasing the wind speed from above. it can. As a result, the dishwasher 100 can further easily adjust the temperature and humidity of the air discharged from the washing tank 20 to the outside of the dishwasher 100.

  In the dishwasher 100, the upper end portion 39 a of the wind direction plate 39 is curved toward the front end portion 32 c of the blower pipe 32. Since the upper end portion 39 a of the wind direction plate 39 is curved toward the tip end portion 32 c of the air blower tube 32, the air supplied from the air blower tube 32 easily flows along the wind direction plate 39 and is supplied from the air blower tube 32. The pressure loss of the generated air can be further reduced.

Embodiment 3 FIG.
FIG. 10 is a perspective view of the washing tub 20 of the dishwasher 100 according to the third embodiment of the present invention. FIG. 11 is a cross-sectional view of the extending portion 20d1 in FIG. In the dishwasher 100 of Embodiment 3, the same code | symbol is attached | subjected to the site | part which has the same structure as the dishwasher 100 of FIGS. 1-9, the description is abbreviate | omitted, and the tableware of FIGS. Features different from the cleaning machine 100 will be described.

  The cleaning tank 20 includes a front wall portion at both ends in the left-right direction (X-axis direction) of the front wall portion 20c, the rear wall portion 20e facing the front wall portion 20c, and the front wall portion 20c and the rear wall portion 20e. There is a side wall portion 20d located between 20c and the rear wall portion 20e and facing each other. The cleaning tank 20 has side surfaces formed by a front wall portion 20c, a rear wall portion 20e, and a side wall portion 20d facing each other. Moreover, the upper surface opening part 20a is formed in the washing tank 20 by the upper end part of the front wall part 20c, the rear wall part 20e, and the side wall part 20d which mutually opposes. The cleaning tank 20 has a bottom wall portion 20b at the lower end of the front wall portion 20c, the rear wall portion 20e, and the side wall portions 20d facing each other. The cleaning tank 20 is formed in a box shape having an upper surface opened by a front wall portion 20c, a rear wall portion 20e, a side wall portion 20d facing each other, and a bottom wall portion 20b. Each of the side wall portions 20d facing each other has an extending portion 20d1 extending from the front wall portion 20c toward the door portion 11. The extending portion 20 d 1 is a part of the side wall portion 20 d located between the front wall portion 20 c and the door portion 11. A plurality of through holes 45 are formed in the extending portion 20d1. The through holes 45 are arranged in the vertical direction along the edge of the cleaning tank 20 on the door part 11 side. The tableware washing machine 100 has a plurality of through holes 45 formed in the extending portion 20d1, so that the space formed between the front wall portion 20c of the washing tub 20 and the door portion 11 is in the washing tub 20. External low temperature air can be taken in. As a result, the second blower 50 attached to the front wall portion 20c can take in air having a low temperature. In addition, as shown in FIG. 11, the through-hole 45 formed in the extension part 20d1 may be comprised by the armor window shape which a part of extension part 20d1 cut and raised and was provided with the armor board 45a.

  As described above, the cleaning tank 20 has the extending portion 20d1 in which the plurality of through holes 45 are arranged in the vertical direction. The tableware washing machine 100 has a plurality of through holes 45 formed in the extending portion 20d1, so that the space formed between the front wall portion 20c of the washing tub 20 and the door portion 11 is in the washing tub 20. External low temperature air can be taken in. Therefore, the 2nd air blower 50 attached to the front wall part 20c can take in air with low temperature. As a result, the dishwasher 100 can further easily adjust the temperature and humidity of the air discharged from the washing tank 20 to the outside of the dishwasher 100.

  In addition, the through hole 45 formed in the extended portion 20d1 is configured in an armor window shape in which a portion of the extended portion 20d1 is cut and raised to include an armor plate 45a. The dishwasher 100 prevents the water from entering the space formed between the front wall portion 20c of the cleaning tank 20 and the door portion 11 by configuring the through hole 45 in an armor window shape. It is possible to prevent the controller 18 from being splashed with water.

  In addition, embodiment of this invention is not limited to the said Embodiment 1-3. For example, as shown in FIG. 3, the control device 18 is attached to the lower right portion of the front wall portion 20c. Moreover, the exhaust mechanism part 30 is attached to the upper left part of the front wall part 20c. The dishwasher 100 is not limited to this configuration. For example, the control device 18 is attached to the lower left portion of the front wall portion 20c, and the exhaust mechanism portion 30 is attached to the upper right portion of the front wall portion 20c. Also good.

  DESCRIPTION OF SYMBOLS 10 Housing | casing, 10a Front opening part, 11 Door part, 11a Exhaust port, 12 Water supply valve, 13 Drying heater, 14 1st ventilation apparatus, 15 Fixed rail, 16 Holding mechanism, 17 Handle part, 18 Control apparatus, 19 Operation Panel, 19a Operation part, 19a1 Power switch, 19a2 Operation switch, 20 Washing tank, 20a Upper surface opening part, 20b Bottom wall part, 20c Front wall part, 20c1 Upper end part, 20c2 Lower end part, 20d Side wall part, 20d1 Extension part, 20e rear wall, 21 lid, 22 recess, 23 water level detection device, 24 water temperature detection device, 25 water heater, 26 pressurization pump, 27 shaft, 28 cleaning nozzle, 29 drainage pump, 29a drainage piping, 30 exhaust mechanism Part, 31 wind guide part, 31a wind guide front wall part, 31b wind guide rear wall part, 31c intermediate wall part, 31d ceiling Part, 31d1 end part, 31e bottom wall part, 31f middle bottom wall part, 31g side wall part, 31g1 upper end part, 32 air duct, 32a upper end part, 32b lower end part, 32c front end part, 33 side part opening, 34 internal exhaust port 35 Air inlet, 36 Internal air inlet, 37 Shutter, 38 Swelling part, 39 Wind direction plate, 39a Upper end part, 39b Lower end part, 40 Ascending path, 40a Lower protruding wall part, 40b Upper protruding wall part, 40c Upper end part, 41 descending path, 41a air intake, 41b upper end, 41c lower end, 43 mixing chamber, 45 through hole, 45a armor plate, 50 second blower, 80 dishes, 81 tableware basket, 100 dishwasher.

Claims (10)

A housing having an opening formed on the front surface;
A cleaning tank housed in the housing;
A door part attached to the front of the washing tank and covering the opening;
A first blower for supplying air outside the cleaning tank to the inside of the cleaning tank and discharging the air inside the cleaning tank;
Have
The washing tank is
An exhaust mechanism that is attached to the front wall facing the door and changes the state of the air discharged from the cleaning tank;
The exhaust mechanism is
An air guide portion that forms an air discharge path between the air inlet formed in the front wall portion of the cleaning tank and the air outlet formed in the door portion;
A second blower for supplying air outside the cleaning tank into the air guide section;
An air duct connecting the air guide section and the second air blower;
Have
The air guide part is
An ascending path in which air that has entered the air guide portion from the air inlet of the cleaning tank by the operation of the first air blower forms a pipe line that goes upward from the air inlet;
A lower path communicating with the ascending path, a lower end communicating with the exhaust port of the door part, and a descending path that forms a pipe line in which the air passing through the ascending path is directed downward;
Have
An upper end portion of the blower pipe is connected to an upper end portion of the descending path, air supplied by the second blower connected to the lower end part of the blower pipe is supplied to the descending path, and the descending path is The dishwasher which forms the mixing chamber in which the air discharged | emitted from the said washing tank and the air outside the said washing tank are mixed. A control device for controlling the first blower;
The controller is
The dishwasher of Claim 1 which adjusts the air volume of the said 1st air blower by turning on the power supply of the said 1st air blower, or turning off the power, and adjusts the temperature and humidity of the air in the said mixing chamber. A control device for controlling the second blower;
The controller is
The dishwasher of Claim 1 which adjusts the air volume of the said 2nd air blower by turning on or off the power supply of the said 2nd air blower, and adjusting the temperature and humidity of the air in the said mixing chamber. A control device for controlling the first blower and the second blower;
The controller is
While adjusting the air volume of the first blower by turning on or off the power of the first blower,
Adjusting the air volume of the second blower by turning on or off the second blower,
The dishwasher of Claim 1 which adjusts the temperature and humidity of the air in the said mixing chamber. The upper end of the air duct is
The dishwasher of any one of Claims 1-4 connected to the side of the flow direction of the air which goes to the said descending path from the said ascending path in the upper end part of the said descending path. The air guide part is
A bulging portion that bulges upward on a ceiling wall portion located above the descending path;
A wind direction plate disposed inside the bulging portion;
Have
An upper end portion of the blower pipe is connected to the bulging portion,
The wind direction plate faces the tip of the blower pipe and is arranged in the traveling direction of air supplied from the blower pipe,
The dishwasher according to any one of claims 1 to 4, wherein in a vertical direction, a distance between the wind direction plate and the blower pipe increases toward a lower side.   The upper end part of the said wind direction board is a dishwasher of Claim 6 which curves toward the front-end | tip part of the said blast pipe. The washing tank is
The front wall portion, the rear wall portion facing the front wall portion, and the side wall portions facing each other located between the front wall portion and the rear wall portion,
Each of the side wall portions facing each other is
An extending portion extending from the front wall portion toward the door portion;
The dishwasher according to any one of claims 1 to 7, wherein a plurality of through holes are arranged in the extending portion in the vertical direction.   9. The dishwasher according to claim 8, wherein the plurality of through holes are configured in an armor window shape in which the extending portion is cut and raised and provided with an armor plate.   The dishwasher according to any one of claims 1 to 9, wherein the second air blower is disposed below the air guide section.

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