A cleaning machine and exhaust method

Abstract

The present application relates to a kind of cleaning machine and exhaust method, including box, box side is equipped with hot air assembly for heating and blowing into washing cavity with ambient air, bottom of box is equipped with bottom disc, installation space for installing components between bottom disc and box is formed, still include exhaust seat, baffle, first exhaust tail pipe and second exhaust tail pipe, box side is opened with exhaust port, the exhaust seat is located in the outside of box, exhaust passage extending from top to bottom is arranged in the exhaust seat, the upper portion of this exhaust passage is communicated with exhaust port, the lower end of the exhaust passage is provided with relatively independent first exhaust port, second exhaust port, the baffle is rotatably arranged in the lower portion of exhaust passage and is used to make exhaust passage and one of first exhaust port, second exhaust port are communicated, the first exhaust tail pipe is connected at first exhaust port, for gas is exported outward, the second exhaust tail pipe is connected at second exhaust port, for gas is transported to bottom disc.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dishwashers, in particular to a cleaning machine and an exhaust method. BACKGROUND

[0002] At present, front-opening dishwashers are widely used in families.

[0003] In order to prevent failure alarms caused by slight water overflow, the bottom cover of the dishwasher is usually provided with a water overflow storage structure (about several hundred milliliters) with a certain capacity. Water droplets formed by opening the door, taking and placing tableware, and steam condensation will slide along the machine body and collect on the bottom cover, and a certain amount of water will be collected in the water storage groove. This part of the stored water will make the internal environment of the base more humid, and the temperature change of the bottom heating plate, motor and other components will also cause water vapor to adhere and condense on various components, causing certain safety hazards (especially electrical components such as wiring harnesses and connectors). The stored water in the bottom cover of the existing product is only discharged by natural evaporation, which is relatively slow.

[0004] In order to prevent odors, the existing built-in dishwasher usually uses a PTC hot air drying system to circulate air into the cavity and exhaust. After cleaning, the circulating hot air every 2-3 hours can effectively remove odors and keep the cavity dry without opening the door. This part of the hot air has low humidity and will be discharged through the original air duct system, which causes a certain waste of energy. SUMMARY

[0005] The first technical problem to be solved by the present application is to provide a cleaning machine that can directly discharge high-humidity hot air to reduce the water storage capacity of the bottom cover, recycle the heat of low-humidity hot air for drying the bottom cover, thereby eliminating the problem of moisture in the bottom cover area and improving the energy utilization rate.

[0006] The second technical problem to be solved by the present application is to provide an exhaust method for the above-mentioned cleaning machine.

[0007] The technical solution adopted by the present application to solve at least one of the above technical problems is:

[0008] A cleaning machine comprises a cabinet, a washing cavity is formed in the inside of the cabinet, a hot air assembly is arranged on the side of the cabinet for heating air from outside and blowing into the washing cavity, a bottom plate is arranged on the bottom of the cabinet, and a mounting space for mounting components is formed between the bottom plate and the cabinet, and an exhaust seat, a baffle, a first exhaust tail pipe and a second exhaust tail pipe are further arranged, an exhaust port is formed on the side of the cabinet, the exhaust seat is arranged on the outside of the cabinet, an exhaust passage extending from top to bottom is arranged in the exhaust seat, the upper part of the exhaust passage is communicated with the exhaust port, the lower end of the exhaust passage is provided with a first exhaust port and a second exhaust port which are relatively independent, the baffle is rotatably arranged in the lower part of the exhaust passage and is used for connecting the exhaust passage with one of the first exhaust port and the second exhaust port, the first exhaust tail pipe is connected to the first exhaust port and is used for exhausting air outside, and the second exhaust tail pipe is connected to the second exhaust port and is used for conveying air to the bottom plate.

[0009] Preferably, an opening is arranged on the front side of the cabinet, a door body capable of being opened and closed is arranged at the opening, the bottom edge of the door body is rotatably connected to the bottom edge of the opening, the exhaust port is arranged on the door body, the exhaust seat is arranged in the door body, and the upper ends of the first exhaust tail pipe and the second exhaust tail pipe are connected to the door body and the lower ends are arranged below the door body.

[0010] Preferably, the first exhaust tail pipe comprises a pipe body extending longitudinally, the inside of the pipe body is hollow to form a dehumidification passage, the lower end of the pipe body is laterally bent to one side to form a water storage groove for storing condensed water, and a dehumidification port is arranged on the side wall of the pipe body above the water storage groove and communicated with the dehumidification passage and the water storage groove. The water storage groove is arranged at the lower end of the pipe body, condensed water formed in the process of conveying high-temperature gas with moisture downward is stored in the water storage groove, and other steam is discharged through the dehumidification port, and the accumulated water temporarily stored in the water storage groove is continuously evaporated and dried under the high temperature of the steam, so that the accumulated water does not need to be discharged, thereby solving the problem of condensed water dripping at the outlet and facilitating use.

[0011] Preferably, the cross section of the water storage groove is in a U-shaped structure, the upper end of a first vertical part of the U-shaped structure is connected to the lower end of the dehumidification passage, the upper end of a second vertical part of the U-shaped structure is closed to form a blind end, and the dehumidification port is arranged close to the upper end of the second vertical part. In this way, the water storage groove is integrally formed with the pipe body and arranged in a reasonable position, so that the steam forms a refluxing and colliding flow after entering the water storage groove, which is convenient for forming condensed water and re-heating and drying the condensed water in the water storage groove by using the heat of the steam.

[0012] Preferably, the inner end surface of the upper end of the second vertical portion is gradually inclined downward from the outer edge to the inner edge to form a guide slope. This structure is conducive to guiding the steam entering the water storage tank, so that the steam impacts toward the bottom of the water storage tank, thereby improving the drying effect on the water storage.

[0013] Preferably, the inner side wall of the first vertical portion of the U-shaped structure gradually extends from bottom to top to the upper end of the second vertical portion to form a first guide side wall, and the side portion of the pipe body is provided with a second guide side wall arranged above the first guide side wall and extending in the same direction as the first guide side wall. The first guide side wall and the second guide side wall together enclose a guide channel, and the port of the guide channel constitutes the exhaust port. The above structure forms a guide channel gradually raised along the direction of air flow, so as to return the condensate formed in the process and avoid the condensate from dripping at the exhaust port.

[0014] Further preferably, the upper surface of the first guide side wall is provided with a first guide rib extending in the direction of fluid flow. The lower surface of the second guide side wall is provided with a second guide rib extending in the direction of fluid flow. This structure is conducive to improving the formation and guide effect of the condensate.

[0015] In the present application, the exhaust channel comprises a first section, a second section and a third section connected in sequence from top to bottom. The first section extends obliquely in the longitudinal direction, and the exhaust port is located at the upper end of the first section. The second section is connected obliquely below the first section and has an opposite oblique direction. A fan for extracting air from the washing cavity is arranged at the junction of the first section and the second section. The third section is connected below the second section and has an inner diameter gradually increasing along the direction of air flow to form a shunt area. The first exhaust port and the second exhaust port are located at the bottom of the shunt area. The baffle is rotatably arranged in the shunt area and cooperates with the inner wall of the shunt area to shunt. The above structure facilitates gas shunting.

[0016] Preferably, the baffle comprises a first baffle arm and a second baffle arm. The lower end of the first baffle arm is connected to the lower end of the second baffle arm, and the upper end of the first baffle arm is gradually separated from the upper end of the second baffle arm to form a V-shaped structure. The tip of the V-shaped structure is rotatably connected between the bottom of the shunt area and the first exhaust port and the second exhaust port.

[0017] In the state that the baffle is rotated to the state that the first baffle arm is below the left side wall of the flow separation area and the second baffle arm is in contact with the left side wall of the flow separation area, the air exhaust channel is in communication with the second air exhaust port and the first air exhaust port is closed by the first baffle arm; in the state that the baffle is rotated to the state that the second baffle arm is below the right side wall of the flow separation area and the first baffle arm is in contact with the right side wall of the flow separation area, the air exhaust channel is in communication with the first air exhaust port and the second air exhaust port is closed by the second baffle arm. With the above structure, the flow channel is separated and the corresponding air exhaust port is closed, so that the gas flow separation effect is improved.

[0018] In order to facilitate operation, the tip of the V-shaped structure is connected to the door body through a rotating shaft, and a motor capable of driving rotation in forward and reverse directions is arranged in the door body.

[0019] Preferably, a first water storage tank is formed in the middle of the base, and a water level monitoring and alarming device is arranged in the first water storage tank; a part of the inner bottom wall of the base forms a flow guide surface gradually downwardly inclined from the edge to the first water storage tank; a second water storage tank in communication with the first water storage tank is arranged on the base; the lower end of the second exhaust tail pipe is arranged corresponding to the first water storage tank; and an air exhaust port corresponding to the second water storage tank is formed in the front side of the side wall of the base. The above structure facilitates drying of the high-temperature and low-humidity air discharged to the base first in the first water storage tank, drying of the accumulated water in the second water storage tank through the first water storage tank, and finally discharge of the air through the air exhaust port, so that the space in the base is kept dry.

[0020] An exhaust method using the cleaning machine, comprising the following steps:

[0021] (1) After the cleaning machine is cleaned, high-humidity air exists in the washing cavity, the baffle is rotated to the state that the second baffle arm is below the right side wall of the flow separation area and the first baffle arm is in contact with the right side wall of the flow separation area, at this time, the air exhaust channel is in communication with the first air exhaust port and the second air exhaust port is closed by the second baffle arm;

[0022] The hot air assembly blows the heated air into the washing cavity, and the fan operates to suck out the high-humidity air in the washing cavity and discharge the air through the first air exhaust port and the first exhaust tail pipe;

[0023] The condensed water formed in the process of the high-humidity air being downwardly conveyed in the first exhaust tail pipe is stored in the water storage tank, and the other steam is discharged through the air exhaust port, and the accumulated water temporarily stored in the water storage tank is continuously evaporated and dried under the high temperature of the steam, so that the water storage tank does not need to discharge the accumulated liquid;

[0024] (2) in the dish storage state, the low humidity air in the washing cavity, the baffle is rotated to the first baffle arm is below the left side wall of the shunt area, the second baffle arm is connected with the left side wall of the shunt area, at this time, the exhaust passage is connected with the second exhaust port, and the first exhaust port is closed by the first baffle arm;

[0025] The hot air assembly intermittently blows the heated air into the washing cavity, the fan operates, the low humidity high temperature air in the washing cavity is sucked out and discharged through the second exhaust port, the second exhaust tail pipe, and the bottom disc, the low humidity high temperature air dries the accumulated water in the bottom disc, and keeps the bottom disc and the installation space dry.

[0026] Compared with the prior art, the advantages of the present application are that when the washing is just finished and the washing cavity contains high humidity gas, the baffle opens the first exhaust port and closes the second exhaust port, the high humidity gas is discharged from the first exhaust port without being sent to the bottom disc, which can reduce the water storage capacity of the bottom disc; in the dish storage stage, the humidity of the hot air used for drying the washing cavity is low, the baffle closes the first exhaust port and opens the second exhaust port, and the low humidity hot air is sent to the bottom disc to dry the bottom disc, which not only recovers and utilizes the heat of the low humidity hot air, improves the energy utilization rate, but also eliminates the problem of dampness in the bottom disc area. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structural schematic view of an embodiment of the present application;

[0028] Figure 2 is Figure 1 is a structural schematic view of the first exhaust tail pipe;

[0029] Figure 3 is a sectional view of the first exhaust tail pipe of the embodiment of the present application;

[0030] Figure 4 is a partial structural schematic view of the embodiment of the present application (the first exhaust port is closed and the second exhaust port is opened);

[0031] Figure 5 is a partial structural schematic view of the embodiment of the present application (the first exhaust port is opened and the second exhaust port is closed). DETAILED DESCRIPTION

[0032] The present application will be further described in detail below with reference to the embodiments of the drawings.

[0033] As Figures 1-5 shown, the cleaning machine of the embodiment includes a box body 5, the inside of the box body 5 is hollow to form a washing cavity, the box body 5 is provided with a hot air assembly (not shown in the figure) for heating the air outside and blowing it into the washing cavity, and the bottom of the box body 5 is provided with a bottom disc 2, which forms an installation space 20 for installing components between the bottom disc 2 and the box body 5.

[0034] The cleaning machine of the embodiment further comprises an exhaust seat 3, a baffle 4, a first exhaust tail pipe 1 and a second exhaust tail pipe 6, an exhaust port 51 is formed on the side of the box body 5, the exhaust seat 3 is arranged outside the box body 1, an exhaust passage 31 extending from top to bottom is arranged in the exhaust seat 3, the upper part of the exhaust passage 31 is communicated with the exhaust port 51. The lower end of the exhaust passage 31 is provided with a first exhaust port 32 and a second exhaust port 33 which are relatively independent, the baffle 4 is rotatably arranged in the lower part of the exhaust passage 31 and is used for connecting the exhaust passage 31 with one of the first exhaust port 32 and the second exhaust port 33. The first exhaust tail pipe 1 is connected at the first exhaust port 32 and is used for exhausting gas outward, the second exhaust tail pipe 6 is connected at the second exhaust port 33 and is used for conveying gas to the bottom plate 2 and the mounting space 20.

[0035] The front side of the box body 5 of the embodiment is provided with an opening, a door body 52 which can be opened or closed is arranged at the opening, the bottom edge of the door body 52 is rotatably connected to the bottom edge of the opening, and the door body 52 can be opened forward with the bottom edge as the rotating shaft. The exhaust port 51 is formed on the door body 52, the exhaust seat 3 is arranged in the door body 52, and the upper ends of the first exhaust tail pipe 1 and the second exhaust tail pipe 6 are connected in the door body 52 and the lower ends are located below the door body 52.

[0036] In the embodiment, the first exhaust tail pipe 1 comprises a longitudinally extending pipe body, a dehumidification passage 11 is formed in the hollow interior of the pipe body, the lower end of the pipe body is laterally bent to one side to form a water storage groove 12 for storing condensed water, and a dehumidification port 13 is formed on the side wall of the pipe body and is located above the water storage groove 12 and communicated with the dehumidification passage 11 and the water storage groove 12.

[0037] The cross section of the water storage groove 12 is in a U-shaped structure, the upper end of a first vertical part 121 of the U-shaped structure is connected with the lower end of the dehumidification passage 11, the upper end of a second vertical part 122 of the U-shaped structure is closed to form a blind end, and the dehumidification port 13 is arranged close to the upper end of the second vertical part 122. With such a structure, the water storage groove 12 is integrally formed with the pipe body and is reasonably arranged, which is convenient for the backflow of steam in the water storage groove 12 to collide, on one hand, to form condensed water, and on the other hand, to reheat and dry the condensed water in the water storage groove 12 by using the heat of the steam.

[0038] The inner end surface of the upper end of the second vertical part 122 is gradually inclined downward from the outer edge to the inner edge to form a flow guide inclined surface 123. Such a structure is conducive to guiding the steam entering the water storage groove 12 to impact toward the bottom of the water storage groove 12, so as to improve the drying effect of the water storage.

[0039] The inner side wall of the first vertical part 121 of the U-shaped structure gradually extends upwards to the upper end of the second vertical part 122 to form a first flow guide side wall 124. Correspondingly, the side part of the pipe body is provided with a second flow guide side wall 125 arranged above the first flow guide side wall 124 and extending in the same direction as the first flow guide side wall 124. The first flow guide side wall 124 and the second flow guide side wall 125 together enclose a flow guide channel 120, and the port of the flow guide channel 120 constitutes the above-mentioned exhaust port 13. The above-mentioned structure forms a flow guide channel 120 that gradually rises in the direction of the airflow, so as to return the condensate formed in the process and avoid the condensate from dripping at the exhaust port 13.

[0040] The upper surface of the first flow guide side wall 124 is provided with a first flow guide rib 126 extending in the direction of fluid flow. The lower surface of the second flow guide side wall 125 is provided with a second flow guide rib 127 extending in the direction of fluid flow. This structure is beneficial to improve the formation and flow guide effect of condensate.

[0041] In the embodiment, the exhaust channel 31 includes a first section 311, a second section 312 and a third section 313 connected in sequence from top to bottom. The first section 311 extends obliquely in the longitudinal direction, and the exhaust port 51 is located at the upper end of the first section 311. The second section 312 is obliquely connected below the first section 311 and has an opposite oblique direction to the first section 311. The first section 311 and the second section 312 are connected at the fan 314 for extracting air from the washing cavity. The third section 313 is connected below the second section 312 and has an inner diameter gradually increasing in the direction of airflow to form a flow separation area 315. The first exhaust port 32 and the second exhaust port 33 are located at the bottom of the flow separation area 315. The baffle 4 is rotatably arranged in the flow separation area 315 and cooperates with the inner wall of the flow separation area 315 to separate the flow. The above-mentioned structure facilitates the separation of the flow.

[0042] Specifically, the baffle 4 includes a first baffle arm 41 and a second baffle arm 42. The lower end of the first baffle arm 41 is connected to the lower end of the second baffle arm 42, and the upper end of the first baffle arm 41 gradually separates from the upper end of the second baffle arm 42 to form a V-shaped structure. The tip of the V-shaped structure is rotatably connected between the bottom of the flow separation area 315 and the first exhaust port 32 and the second exhaust port 33.

[0043] When the baffle 4 is rotated to the state that the first baffle arm 41 is located below the left side wall of the flow separation area 315 and the second baffle arm 42 is in contact with the left side wall of the flow separation area 315, the air exhaust channel 31 is in communication with the second air exhaust port 33 and the first air exhaust port 32 is closed by the first baffle arm 41. When the baffle 4 is rotated to the state that the second baffle arm 42 is located below the right side wall of the flow separation area 315 and the first baffle arm 41 is in contact with the right side wall of the flow separation area 315, the air exhaust channel 31 is in communication with the first air exhaust port 32 and the second air exhaust port 33 is closed by the second baffle arm 42. With the above structure, the flow channel is separated and the corresponding air exhaust port is closed, so that the gas flow separation effect is improved.

[0044] In order to facilitate operation, the tip of the V-shaped structure is connected to the door body 52 through the rotating shaft 43, and a motor (not shown in the figure) capable of driving rotation in forward and reverse directions is arranged in the door body 52.

[0045] In the embodiment, a first water storage tank 21 is formed in the middle of the base plate 2, a water level monitoring and alarming device (not shown in the figure) is arranged in the first water storage tank 21, a part of the inner bottom wall of the base plate 2 forms a flow guide surface 23 that gradually inclines downward from the edge to the first water storage tank 21, a second water storage tank 22 that is in communication with the first water storage tank 21 is arranged on the base plate 2, the lower end of the second air exhaust tail pipe 6 is arranged corresponding to the first water storage tank 21, and an air exhaust port 24 corresponding to the second water storage tank 22 is formed in the front side of the side wall of the base plate 2. The above structure facilitates drying of the high-temperature and low-humidity air discharged to the base plate 2 first in the first water storage tank 21, drying of the accumulated water in the second water storage tank 22 through the first water storage tank 21, and finally discharge of the air through the air exhaust port 24, so that the space in the base plate 2 is kept dry.

[0046] The air exhaust method of the embodiment includes the following steps:

[0047] (1) After the cleaning machine is cleaned, high-humidity air exists in the washing cavity, the baffle 4 is rotated to the state that the second baffle arm 42 is located below the right side wall of the flow separation area 315 and the first baffle arm 41 is in contact with the right side wall of the flow separation area 315, at this time, the air exhaust channel 31 is in communication with the first air exhaust port 32 and the second air exhaust port 33 is closed by the second baffle arm 42;

[0048] The hot air assembly blows the heated air into the washing cavity, the fan 314 operates to suck out the high-humidity air in the washing cavity and discharge the air through the first air exhaust port 32 and the first air exhaust tail pipe 1;

[0049] The condensed water formed during the downward conveying of the high-humidity air through the first exhaust tail pipe 1 is stored in the water storage tank 12, and other steam is discharged through the moisture discharge port 13, and the accumulated water temporarily stored in the water storage tank 12 is continuously evaporated and dried under the high temperature of the steam, so that the water storage tank 12 does not need to discharge accumulated water; since the condensed water is small (usually <5 mL, generally only a few drops) during the drying process, the opening action can automatically gather the condensed water in the water storage tank 12 at the lowest position, and the condensed water will not drip with the opening;

[0050] (2) In the dish storage state, the low-humidity air in the washing cavity, the baffle 4 is rotated to the first blocking arm 41 below the left side wall of the shunt area 315, and the second blocking arm 42 is connected with the left side wall of the shunt area 315, at this time, the exhaust passage 31 is connected with the second exhaust port 33, and the first exhaust port 31 is closed by the first blocking arm 41;

[0051] The hot air assembly intermittently blows the heated air into the washing cavity, and the fan 314 runs to suck out the low-humidity high-temperature air in the washing cavity and discharge it through the second exhaust port 33 and the second exhaust tail pipe 6 to the bottom disc 2, so that the low-humidity high-temperature air dries and bakes the accumulated water in the bottom disc 2, and keeps the bottom disc 2 and the installation space 20 dry.

[0052] In the specification and claims of the present application, terms indicating directions, such as "front", "back", "up", "down", "left", "right", "side", "top", "bottom", etc. are used to describe various example structural parts and elements of the present application, but these terms are used only for the purpose of convenience of description and are determined based on the example orientation shown in the drawings. Since the disclosed embodiments of the present application can be arranged in different directions, these terms indicating directions are only for illustration and should not be considered as limitations, such as "up" and "down" are not necessarily limited to the direction opposite or consistent with the direction of gravity.

Claims

1. A cleaning machine, comprising a housing (5), wherein the housing (5) is hollow to form a washing chamber, a hot air assembly for heating outside air and blowing it into the washing chamber is provided on the side of the housing (5), and a chassis (2) is provided at the bottom of the housing (5), wherein an installation space (20) for installing components is formed between the chassis (2) and the housing (5), characterized in that: It also includes an exhaust seat (3), a baffle (4), a first exhaust tailpipe (1) and a second exhaust tailpipe (6). The side of the box (5) has an exhaust port (51). The exhaust seat (3) is located on the outside of the box (5). An exhaust channel (31) extending from top to bottom is provided in the exhaust seat (3). The upper part of the exhaust channel (31) is connected to the exhaust port (51). The lower end of the exhaust channel (31) is provided with a relatively independent first exhaust port (32) and a second exhaust port (33). The baffle (4) is rotatably located in the lower part of the exhaust channel (31) and is used to connect the exhaust channel (31) with one of the first exhaust port (32) and the second exhaust port (33). The first exhaust tailpipe (1) is connected to the first exhaust port (32) and is used to discharge gas outward. The second exhaust tailpipe (6) is connected to the second exhaust port (33) and is used to transport gas to the chassis (2). The first exhaust tailpipe (1) includes a longitudinally extending pipe body, the inside of which is hollow to form a dehumidification channel (11). The pipe body is characterized in that: the lower end of the pipe body is bent laterally to one side to form a water storage tank (12) for storing condensate, and a dehumidification port (13) is opened on the side wall of the pipe body above the water storage tank (12) and connected to the dehumidification channel (11) and the water storage tank (12); the cross-section of the water storage tank (12) is U-shaped, the upper end of the first vertical part (121) of the U-shaped structure is connected to the lower end of the dehumidification channel (11), the upper end of the second vertical part (122) of the U-shaped structure is closed to form a blind end, and the dehumidification port (13) is arranged close to the upper end of the second vertical part (122); the inner end face of the upper end of the second vertical part (122) gradually slopes downward from the outer edge to the inner edge to form a guide slope (123).

2. The cleaning machine according to claim 1, characterized in that: The front of the box (5) is provided with an opening, and a door (52) that can be opened or closed is provided at the opening. The bottom edge of the door (52) is rotatably connected to the bottom edge of the opening. The exhaust port (51) is opened on the door. The exhaust seat (3) is provided in the door (52). The upper ends of the first exhaust tailpipe (1) and the second exhaust tailpipe (6) are connected to the middle of the door (52), and the lower ends are located below the door (52).

3. The cleaning machine according to claim 2, characterized in that: The inner sidewall of the first vertical portion (121) of the U-shaped structure gradually extends from bottom to top towards the upper end of the second vertical portion (122) to form a first flow guide sidewall (124). Correspondingly, the side of the pipe body is provided with a second flow guide sidewall (125) arranged at intervals above the first flow guide sidewall (124) and in the same direction of extension as the first flow guide sidewall (124). The first flow guide sidewall (124) and the second flow guide sidewall (125) together form a flow guide channel (120), and the port of the flow guide channel (120) constitutes the exhaust port (13).

4. The cleaning machine according to claim 3, characterized in that: The upper surface of the first guide sidewall (124) is provided with a first guide rib (126) extending along the fluid flow direction.

5. The cleaning machine according to claim 3, characterized in that: The lower surface of the second guide sidewall (125) is provided with a second guide rib (127) extending along the fluid flow direction.

6. The cleaning machine according to any one of claims 2 to 5, characterized in that: The exhaust channel (31) includes a first section (311), a second section (312), and a third section (313) connected sequentially from top to bottom. The first section (311) extends obliquely in the longitudinal direction. The exhaust port (51) is located at the upper end of the first section (311). The second section (312) is obliquely connected below the first section (311) and the oblique direction is opposite to that of the first section (311). A fan (314) for drawing air out of the washing chamber is provided at the junction of the first section (311) and the second section (312). The third section (313) is connected below the second section (312) and its inner diameter gradually expands along the airflow direction to form a diversion area (315). The first exhaust port (32) and the second exhaust port (33) are located at the bottom of the diversion area (315). The baffle (4) is rotatably disposed in the diversion area (315) and cooperates with the inner wall of the diversion area (315) to divert air.

7. The cleaning machine according to claim 6, characterized in that: The baffle (4) includes a first baffle arm (41) and a second baffle arm (42). The lower end of the first baffle arm (41) is connected to the lower end of the second baffle arm (42), and the upper end of the first baffle arm (41) and the upper end of the second baffle arm (42) gradually separate to form a V-shaped structure. The tip of the V-shaped structure is rotatably connected to the bottom of the diversion area (315) and between the first exhaust port (32) and the second exhaust port (33). When the baffle (4) is rotated to the state where the first baffle arm (41) is located below the left side wall of the diversion area (315) and the second baffle arm (42) is in contact with the left side wall of the diversion area (315), the exhaust passage (31) is connected to the second exhaust port (33) and the first exhaust port (32) is closed by the first baffle arm (41); when the baffle (4) is rotated to the state where the second baffle arm (42) is located below the right side wall of the diversion area (315) and the first baffle arm (41) is in contact with the right side wall of the diversion area (315), the exhaust passage (31) is connected to the first exhaust port (32) and the second exhaust port (33) is closed by the second baffle arm (42).

8. The cleaning machine according to claim 7, characterized in that: The tip of the V-shaped structure is connected to the door body (52) via a pivot (43), and the door body (52) is also equipped with a motor that can drive the rotation to rotate forward and backward.

9. The cleaning machine according to any one of claims 1 to 5, characterized in that: The chassis (2) has a first water storage tank (21) in the middle, and a water level monitoring and alarm device is installed in the first water storage tank (21). A guide surface (23) that gradually slopes downward from the edge to the first water storage tank (21) is formed on a part of the inner bottom wall of the chassis (2). The chassis (2) is also provided with a second water storage tank (22) that is connected to the first water storage tank (21). The lower end of the second exhaust tailpipe (6) is arranged corresponding to the first water storage tank (21). The front side of the side wall of the chassis (2) has an exhaust port (24) corresponding to the second water storage tank (22).

10. A method for venting exhaust, characterized in that... The cleaning machine according to claim 7 includes the following steps: (1) After the cleaning machine finishes cleaning, there is high humidity air in the washing chamber. Rotate the baffle (4) until the second baffle (42) is below the right side wall of the diversion area (315) and the first baffle (41) is connected to the right side wall of the diversion area (315). At this time, the exhaust channel (31) is connected to the first exhaust port (32) and the second exhaust port (33) is closed by the second baffle (42). The hot air assembly blows heated air into the washing chamber, and the fan (314) runs to draw out the high humidity air in the washing chamber and discharge it through the first exhaust port (32) and the first exhaust tail pipe (1). During the process of high humidity air being transported downward through the first exhaust tailpipe (1), the condensate formed is stored in the water storage tank (12), and other steam is discharged through the exhaust port. The water temporarily stored in the water storage tank (12) is continuously evaporated and dried under the high temperature of the steam, so the water storage tank (12) does not need to be drained. (2) When the tableware is stored, the washing chamber contains low humidity air. Rotate the baffle (4) until the first baffle (41) is below the left side wall of the diversion area (315) and the second baffle (42) is connected to the left side wall of the diversion area (315). At this time, the exhaust channel (31) is connected to the second exhaust port (33) and the first exhaust port (32) is closed by the first baffle (41). The hot air assembly intermittently blows heated air into the washing chamber. The fan (314) runs, sucking out the low-humidity, high-temperature air in the washing chamber and discharging it through the second exhaust port (33) and the second exhaust tail pipe (6) to the chassis (2). The low-humidity, high-temperature air dries the water accumulated in the chassis (2) and keeps the chassis (2) and the installation space (20) dry.

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