Household appliance

Abstract

The utility model belongs to the technical field and discloses a household appliance. The household appliance comprises a main machine body with an inner container, a skirting piece is arranged on the lower portion of the front side of the main machine body, and the skirting piece is provided with a front-back through installation opening; the household appliance further comprises an air duct assembly and a water collecting box, the air duct assembly comprises an air duct shell and an air exhaust fan, the air duct shell is provided with an air exhaust opening and a condensation air duct, the condensation air duct tends to extend from top to bottom, and the upper end of the condensation air duct communicates with an inner cavity of the inner container through the air exhaust opening. The air exhaust fan guides damp and hot air in the inner container to enter the condensation air duct through the air exhaust opening, and the condensation air duct can condense the damp and hot air; the water collecting box is detachably mounted at the mounting opening and is provided with a water collecting cavity, and the water collecting box is connected with the air duct assembly in the state of being mounted in the mounting opening, so that the lower end of the condensation air duct communicates with the water collecting cavity. According to the household appliance disclosed by the utility model, the convenience of collecting and discharging the condensate water can be improved, and the use convenience of the household appliance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, in particular to a household appliance. Background Art

[0002] A dishwasher is a common household appliance that can wash and dry tableware inside it. It can improve the convenience of cleaning tableware and ensure the safety of tableware cleaning by drying the tableware after washing.

[0003] When a dishwasher dries dishes, a large amount of hot and humid air is generated inside the inner tank. If the hot and humid air is not discharged in time, it will affect the drying process of the dishwasher. In the prior art, the dishwasher is provided with an exhaust duct and an exhaust fan on the outside of the inner tank. The air inlet of the exhaust duct is connected to the inside of the inner tank, and the air outlet of the exhaust duct is connected to the bottom of the inner tank. The exhaust fan causes the hot and humid gas in the inner tank to enter the exhaust duct from the air inlet, and the condensed water is formed after condensation in the exhaust duct and flows back to the inner tank.

[0004] In the dishwasher provided by the prior art, although the exhaust duct can exhaust and condense the hot and humid air in the inner tank, thereby reducing the content of the hot and humid air in the inner tank; however, since the condensed water formed by the exhaust duct flows back into the inner tank, the condensed water will form hot steam again under the action of heating and adhere to the tableware, thereby affecting the efficiency of drying the tableware; at the same time, the condensed water flows back into the inner tank, which will cause water stains to remain inside the inner tank, thereby affecting the cleaning of the inner tank. Utility Model Content

[0005] The purpose of the utility model is to provide a household appliance, which can improve the discharge efficiency of hot and humid gas inside the inner tank, and is conducive to the collection and treatment of condensed water, thereby improving the convenience of use of the household appliance and enhancing the user experience of the household appliance.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A household appliance comprises a main body with an inner shell, a kicking piece is arranged at the front lower part of the main body, and the kicking piece has a mounting opening that passes through front and back, and the household appliance further comprises:

[0008] An air duct assembly, comprising an air duct shell and an exhaust fan, wherein the air duct shell has an exhaust port and a condensation air duct, wherein the condensation air duct has a tendency to extend from top to bottom, wherein the upper end of the condensation air duct is connected to the inner cavity of the inner tank through the exhaust port, wherein the exhaust fan guides the humid and hot gas in the inner tank into the condensation air duct through the exhaust port, and wherein the condensation air duct can condense the humid and hot gas;

[0009] A water collecting box is detachably mounted on the mounting opening and has a water collecting cavity. The water collecting box is connected to the air duct assembly when mounted in the mounting opening so that the lower end of the condensing air duct is connected to the water collecting cavity.

[0010] As an optional technical solution for a household appliance, a handle structure is provided on the front side of the water collecting box;

[0011] And / or, a plurality of exhaust holes are provided at the upper front end of the water collecting box;

[0012] and / or, the front side of the water collecting box is flush with the front side of the skirting member;

[0013] And / or, the front side of the water collecting box is at least partially transparent to form an observation window;

[0014] The water collecting box comprises a box body and a cover body, the box body has the water collecting cavity, the upper end surface of the box body is provided with a drain port communicating with the water collecting cavity, and the cover body is detachably mounted at the drain port.

[0015] As an optional technical solution for a household appliance, a condensation water inlet is provided at the upper end of the rear side of the water collecting box, the condensation water inlet is higher than the exhaust hole at the lowest point, and the condensation water inlet is connected to the second end of the condensation air duct;

[0016] And / or, the air duct shell includes a condensation tube body, the inner cavity of the condensation tube body forms the condensation air duct, a condensation water inlet is provided at the upper end of the rear side of the water collecting box, and the lower end of the condensation tube body can be pluggably inserted into the condensation water inlet.

[0017] As an optional technical solution for a household appliance, a condensation structure is arranged at intervals in the condensation air duct;

[0018] And / or, the condensation air duct includes a condensation channel section and a drainage channel section connected up and down, the condensation channel section extends from top to bottom and the upper end is connected to the air suction port, and the drainage channel section extends from front to back and the front end is connected to the water collection chamber.

[0019] As an optional technical solution of a household appliance, the condensation channel section includes an upper condensation part and a lower condensation part connected up and down, and the angle between the upper condensation part and the vertical direction is greater than the angle between the lower condensation part and the vertical direction;

[0020] And / or, the cross-sectional area of ​​at least the lower portion of the condensation channel section gradually increases from bottom to top.

[0021] As an optional technical solution of a household appliance, an exhaust duct and a first installation cavity are arranged inside the duct shell, the first installation cavity has an air inlet communication port and an air outlet communication port, the first end of the exhaust duct is communicated with the exhaust port, the second end of the exhaust duct is communicated with the air inlet communication port, the upper end of the condensation duct is communicated with the air outlet communication port, the exhaust fan is installed in the first installation cavity, and the fan inlet of the exhaust fan is directly connected to the air inlet communication port, and the fan outlet of the exhaust fan is directly connected to the air outlet communication port;

[0022] The exhaust duct extends obliquely upward from the exhaust port to the exhaust fan, and the upper ends of the exhaust duct and the condensation duct are arranged at an acute angle; and / or, an exhaust baffle is arranged in the exhaust duct, and the exhaust baffle can selectively block or conduct the exhaust duct.

[0023] As an optional technical solution for a household appliance, an air supply duct is arranged inside the air duct shell, and the air supply duct is separated from the condensation duct. The air supply duct has an air supply port connected to the inner tank. The air duct assembly also includes an air supply fan, and the air supply fan is used to guide external airflow into the inner tank through the air supply duct.

[0024] As an optional technical solution for a household appliance, a heating module is provided in the air supply duct, and the heating module is used to heat the air flow flowing to the air supply port;

[0025] And / or, the air duct assembly further includes a sterilization module, and the sterilization module is used to generate or add sterilization particles into the air flow of the air supply duct to sterilize the interior of the liner.

[0026] As an optional technical solution for a household appliance, the air supply duct is an inverted U-shaped structure, the air supply port is arranged at one end of the air supply duct, the air supply fan is installed at the other end of the air supply duct, and the heating module and the air supply fan are located on the same side of the inverted U-shaped structure;

[0027] And / or, an air supply baffle is provided inside the air supply duct, the air supply baffle is located between the air supply fan and the air supply port, and the air supply baffle is higher than the air supply port, and the air supply baffle can selectively block or conduct the air supply duct.

[0028] As an optional technical solution for a household appliance, the air supply baffle and the air supply fan are installed on the same side of the inverted U-shaped structure, and the air supply baffle is rotatably installed on the air duct shell to switch between a conducting state that opens the air supply duct and a closed state that blocks the air supply duct, and the air supply baffle can switch to the conducting state under the action of the wind pressure of the air supply fan.

[0029] Beneficial effects of the utility model:

[0030] The household appliance provided by the utility model is provided with an air duct component having a condensation air duct on the outer side of the inner tank, so that the hot and humid air in the inner tank can be sucked into the condensation air duct by the exhaust fan to be condensed, thereby reducing the content of the hot and humid air in the inner tank, thereby improving the drying efficiency of the objects in the inner tank; because a water collecting box is provided, and the condensation air duct extends roughly from top to bottom and the lower end is connected to the water collecting cavity, the condensed water generated by condensation can flow into the water collecting box through the condensation air duct, so that the condensed water is collected, and the condensed water is prevented from flowing back into the inner tank to cause water stains in the inner tank or the condensed water is prevented from being recirculated The problem of secondary evaporation to form hot steam is solved, the efficiency of drying objects in the inner tank is improved, and water stains are avoided inside the inner tank, thereby improving the convenience of cleaning the inner tank; at the same time, since the water collecting box is detachably installed at the installation opening of the skirting piece, the user can easily take the water collecting box to deal with the condensed water in the water collecting box, thereby further improving the convenience of using the household appliance; furthermore, this arrangement is conducive to increasing the overall length of the condensation air duct, thereby increasing the airflow path in the condensation air duct, and enhancing the condensation effect of the condensation air duct on humid hot gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a partial structural schematic diagram of the household appliance provided by the utility model;

[0032] Figure 2 It is a structural schematic diagram of the air duct assembly and the water collection box provided by the utility model;

[0033] Figure 3 It is a cross-sectional view of the air duct assembly provided by the utility model.

[0034] In the figure:

[0035] 100, air duct assembly; 200, water collection box; 201, box body; 2011, hand grip slot; 2012, exhaust hole; 2013, drain outlet; 202, cover; 300, liner; 400, skirting piece; 401, installation port; 500, casing; 600, door;

[0036] 1. Air duct shell; 11. Condenser tube body; 111. Condenser tube part; 112. Drainage tube part; 113. Condenser air duct; 1131. Upper condenser part; 1132. Lower condenser part; 12. Exhaust air duct; 121. Exhaust port; 13. First installation cavity; 14. Air supply shell; 141. Air supply air duct; 1411. Fan air duct; 1412. Air inlet air duct; 142. Air supply port; 143. Second fan slot; 144. Installation groove; 145. Installation hole; 15. Condenser convex part;

[0037] 2. Exhaust fan; 3. Air supply fan; 4. Heating module; 41. First half cover; 42. Second half cover; 43. Sealing cover; 44. PTC module; 5. Sterilization module; 6. Exhaust baffle; 7. Air supply baffle. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0042] like Figures 1 to 3 As shown, this embodiment provides a household appliance, which can improve the discharge efficiency of hot and humid gas inside the inner tank 300 of the household appliance, improve the efficiency of drying objects inside the inner tank 300, and facilitate the collection and treatment of condensed water, thereby improving the reliability of the household appliance.

[0043] Specifically, the household appliance includes a main body and a door 600. The main body includes an inner tank 300 and a housing 500 disposed outside the inner tank 300, the inner tank 300 has a front opening, and the housing 500 forms the overall shape of the main body; the door 600 is movably disposed at the front side of the main body to selectively open or close the front opening of the inner tank 300; the front lower part of the main body is provided with a kicking member 400, and the kicking member 400 is located below the door 600 to prevent the user from kicking and bumping the main body.

[0044] In this embodiment, the household appliance further comprises an air duct assembly 100 and a water collecting box 200. The air duct assembly 100 comprises an air duct shell 1 and an exhaust fan 2, the air duct shell 1 has an exhaust port 121 and a condensation air duct 113, the condensation air duct 113 has a tendency to extend from top to bottom, the upper end of the condensation air duct 113 is connected to the inner cavity of the inner tank 300 through the exhaust port 121, the exhaust fan 2 guides the humid and hot air flow of the inner tank 300 to enter the condensation air duct 113 through the exhaust port 121, and the condensation air duct 113 can condense the humid and hot air flow. The skirting member 400 has an installation port 401 that passes through the front and back, the water collecting box 200 is detachably arranged in the installation port 401, the water collecting box 200 has a water collecting cavity, and the water collecting box 200 is connected to the air duct assembly 100 when installed in the installation port 401, so that the lower end of the condensation air duct 113 is connected to the water collecting cavity.

[0045] The household appliance provided in the present embodiment is provided with an air duct assembly 100 having a condensation air duct 113 on the outside of the inner tank 300, so that the hot and humid air in the inner tank 300 can be drawn into the condensation air duct 113 through the exhaust fan 2 to be condensed, thereby reducing the content of the hot and humid air in the inner tank 300, thereby improving the drying efficiency of the objects in the inner tank 300; since the water collecting box 200 is provided, and the condensation air duct 113 extends roughly from top to bottom and the lower end is connected to the water collecting chamber, the condensed water generated by the condensation can flow into the water collecting box 200 through the condensation air duct 113, so that the condensed water is collected, and the condensed water is prevented from flowing back into the inner tank 300 to cause water stains or cold water in the inner tank 300. The problem of condensed water being evaporated again to form hot steam is solved, the efficiency of drying objects in the inner tank 300 is improved, and water stains are avoided from remaining inside the inner tank 300, thereby improving the convenience of cleaning the inner tank 300; at the same time, since the water collecting box 200 is detachably installed at the installation port 401 of the skirting member 400, the user can easily take the water collecting box 200, thereby processing the condensed water in the water collecting box 200, and further improving the convenience of using the household appliance; furthermore, this arrangement is conducive to increasing the overall length of the condensation duct 113, thereby increasing the airflow path in the condensation duct 113, and enhancing the condensation effect of the condensation duct 113 on humid hot gases.

[0046] In this embodiment, the household appliance is a dishwasher, that is, the objects in the inner tank 300 are tableware. In other embodiments, the household appliance may also be a device that needs to discharge hot and humid air, such as a disinfection cabinet and an oven. This embodiment takes the household appliance as a dishwasher as an example, and sets the specific structures of the water collecting box 200 and the air duct assembly 100. The application of the air duct assembly 100 and the water collecting box 200 on other types of household appliances can refer to their application on the dishwasher, and this embodiment does not limit this.

[0047] It is worth noting that the structures of the main body, door 600 and kick member 400 of the household appliance can be arranged with reference to the structures in the prior art. This is not the focus of the present utility model and will not be described in detail here.

[0048] In order to improve the overall appearance of the household appliance, the front side of the water collecting box 200 is flush with the front side of the kicking member 400, thereby ensuring the flatness of the front side of the lower part of the household appliance and improving the convenience of cleaning and using the household appliance. In other embodiments, the water collecting box 200 may be sunken into the installation opening 401, and a front sealing plate may be detachably installed on the front side of the installation opening 401, and the front sealing plate may seal the installation opening 401 to prevent the water collecting box 200 from being exposed, and the front side of the front sealing plate is flush with the front side of the kicking member 400.

[0049] In order to improve the convenience of taking and placing the water collecting box 200, in the present embodiment, the water collecting box 200 can be set in the installation port 401 by being pulled out along the front-to-back direction. Therefore, when it is necessary to clean the condensed water in the water collecting box 200, the water collecting box 200 can be taken out by pulling the water collecting box 200 forward; after the water collecting box 200 is cleaned, the water collecting box 200 is pushed back into the installation port 401 to realize the installation of the water collecting box 200.

[0050] Furthermore, a hand grip structure is provided on the front side of the water collecting box 200 to facilitate the user to take and place the water collecting box 200. In this embodiment, the hand grip structure is a hand grip groove 2011 recessed into the water collecting box 200, which is conducive to simplifying the structure of the hand grip structure and reducing costs. Preferably, two hand grip grooves 2011 are provided at intervals along the left and right directions to facilitate the user to insert two fingers into the two hand grip grooves 2011 to take out the water collecting box 200.

[0051] In other embodiments, the handle structure may adopt other structures. For example, the handle structure may be a handle rotatably installed on the front side of the water collecting box 200. The front side of the water collecting box 200 is recessed backward to form a receiving groove. When the handle is not needed, the handle is received in the receiving groove; when the handle needs to be used, the handle is rotated out of the receiving groove for the user to hold.

[0052] A plurality of exhaust holes 2012 are also provided on the upper front side of the water collecting box 200. The gas entering the water collecting box 200 through the condensation air duct 113 can be discharged through the exhaust holes 2012, thereby preventing the water collecting box 200 from being damaged due to excessive air pressure in the water collecting box 200, thereby improving the reliability of the use of the water collecting box 200 and the air duct assembly 100. At the same time, since the exhaust holes 2012 are provided on the front side of the water collecting box 200, it is possible to prevent the hot and humid air that has not been completely condensed from entering the skirting piece 400, i.e., the inner side of the door 600, thereby causing the skirting piece 400 and the door 600 to be easily corroded and damaged, thereby improving the long-term performance of household appliances and ensuring the smoothness of exhaust.

[0053] The exhaust hole 2012 is arranged on the upper side of the buckle structure, and the exhaust holes 2012 are preferably arranged in multiple numbers in an array to ensure smooth exhaust while reducing the size of a single exhaust hole 2012.

[0054] In this embodiment, a condensate inlet is provided at the upper rear portion of the water collecting box 200, the air duct housing 1 comprises a condensate tube body 11, the inner cavity of the condensate tube body 11 forms a condensate air duct 113, and the lower end of the condensate tube body 11 is pluggably plugged into the condensate inlet. This facilitates separation and assembly of the air duct tube body and the water collecting box 200, and facilitates cleaning of the water collecting box 200.

[0055] Furthermore, the condensed water inlet is higher than the lowest exhaust hole 2012. Therefore, when there is a lot of condensed water in the water collecting chamber and it is not cleaned in time, the condensed water in the water collecting chamber is first discharged through the lowest exhaust hole 2012, so that the user can promptly perceive the status in the water collecting box 200, and better remind the user to clean the water in the water collecting box 200. At the same time, it can prevent the condensed water in the water collecting box 200 from flowing out to the inside of the skirting member 400 through the condensed water inlet when the water collecting box 200 and the air duct shell 1 are separated.

[0056] In order to further improve the convenience of cleaning the water collecting box 200, the front side of the water collecting box 200 is at least partially transparent to form an observation window, which is convenient for the user to observe the water level of the water collecting box 200, so as to avoid excessive water in the water collecting box 200 and overflowing the water collecting box 200. The water collecting box 200 can be made of transparent plastic as a whole, or only the front side of the water collecting box 200 can be transparent. Furthermore, a water level prompt line is provided on the front side of the water collecting box 200, and the water level prompt line is lower than the exhaust hole 2012 and the condensed water inlet at the lowest side, so as to remind the user to clean the water collecting box 200.

[0057] Furthermore, the water collecting box 200 includes a box body 201 and a cover body 202, the box body 201 has a water collecting cavity, and the front side of the box body 201 is provided with the above-mentioned buckle structure and exhaust hole 2012. The top surface of the box body 201 is provided with a drain port 2013, and the cover body 202 can be detachably installed at the drain port 2013 and can selectively close the drain port 2013. When it is necessary to discharge the condensed water in the water collecting box 200, the drain port 2013 can be opened, which can improve the cleaning efficiency of the water collecting box 200. In other embodiments, the box body 201 may not be provided with a drain port 2013 at the top, and only drain water through the condensed water inlet.

[0058] In this embodiment, the lower end of the condensation tube body 11 is pluggable and inserted into the condensation water inlet, so as to discharge the condensation water into the water collection chamber while simplifying the structure. In other embodiments, a retractable bellows is connected to the lower end of the air duct shell 1, the inner cavity of the bellows is connected to the lower end of the condensation air duct 113, and the end of the bellows away from the air duct shell 1 is inserted into the condensation water inlet. Therefore, when disassembling and assembling, the water collection box 200 can be first pulled out of the installation port 401 while keeping the condensation air duct 113 connected to the water collection chamber, and then the bellows can be separated from the water collection box 200, thereby improving the convenience of connecting and disconnecting the water collection box 200 and the condensation air duct 113.

[0059] In this embodiment, the air duct assembly 100 is disposed on one side of the inner liner 300 along the left-right direction. In other embodiments, the air duct assembly 100 may also be disposed on the rear side of the inner liner 300. The installation position of the air duct assembly 100 on the inner liner 300 may be specifically set according to the type of household appliance.

[0060] The condensation air duct 113 includes a condensation channel section and a drainage channel section that are connected from top to bottom. The condensation channel section extends from top to bottom and the upper end is connected to the air suction port 121, and the drainage channel section extends from front to back and the front end is connected to the water collection chamber. The lower end of the condensation channel section is connected to the rear end of the drainage channel section. This arrangement is conducive to the arrangement of the condensation air duct 113, improves the regularity of the arrangement of the condensation pipe part 111, and extends the path of the condensation air duct 113. Preferably, the drainage channel section is arranged to be tilted downward from back to front to ensure that the condensed water in the drainage channel section can be smoothly discharged into the water collection box 200.

[0061] The condensation tube body 11 includes a condensation tube portion 111 and a drainage tube portion 112 connected up and down. The inner cavity of the condensation tube portion 111 forms a condensation channel section, and the inner cavity of the drainage tube portion 112 forms a drainage channel section. The extension direction of the condensation tube portion 111 is the extension direction of the condensation channel section, and the extension direction of the drainage tube portion 112 is the extension direction of the drainage channel section.

[0062] In this embodiment, a bent pipe portion is connected between the drain pipe portion 112 and the condensation pipe portion 111, and the drain pipe portion 112 extends under the inner tank 300, thereby facilitating the drain pipe portion 112 and the water collecting box 200 to face each other in the front-to-back direction, thereby improving the connection convenience between the drain pipe portion 112 and the water collecting box 200.

[0063] Furthermore, the cross-sectional area of ​​at least the lower portion of the condensation channel section gradually increases from top to bottom, thereby being able to reduce the cross-sectional area of ​​the lower end of the condensation channel section while ensuring that the cross-sectional area of ​​the upper end of the condensation channel section is sufficient, thereby reducing the cross-sectional area of ​​the drainage channel section and improving the convenience of setting the drainage pipe section 112. The cross-sections of the condensation pipe section 111 and the drainage pipe section 112 are both rectangular, so that while ensuring the cross-sectional area of ​​the internal channels, the flattened arrangement of the pipe section reduces the occupied space and improves the layout convenience of the air duct assembly 100 inside the household appliance.

[0064] An exhaust duct 12 and a first installation cavity 13 are provided inside the air duct shell 1. An exhaust port 121 is provided at one end of the exhaust duct 12. The first installation cavity 13 is located between the exhaust duct 12 and the condensation duct 113, and the cavity wall of the first installation cavity 13 is provided with an air inlet connection port connected to the second end of the exhaust duct 12. The cavity wall of the first installation cavity 13 is also provided with an air outlet connection port connected to the upper end of the condensation duct 113. The exhaust fan 2 is installed in the first installation cavity 13, and the fan air inlet of the exhaust fan 2 is directly connected to the air inlet connection port, and the fan air outlet of the exhaust fan 2 is directly connected to the air outlet connection port. Therefore, when the exhaust fan 2 is running, the internal humid and hot gas enters the condensation duct 113 through the exhaust port 121, the exhaust duct 12, the air inlet connection port, the fan air inlet, the fan cavity, the fan air outlet and the air outlet connection port in sequence.

[0065] Furthermore, the exhaust duct 12 extends obliquely upward from the exhaust port 121 to the exhaust fan 2, so that when the position of the exhaust port 121 remains unchanged, the installation position of the exhaust fan 2 is raised, thereby raising the upper end height of the condensation duct 113, increasing the overall length of the condensation duct 113, and enhancing the condensation effect.

[0066] In order to prevent the spray water from being sprayed into the exhaust duct 12 through the exhaust port 121 and acting on the exhaust fan 2 when the dishwasher is spraying, in the present embodiment, an exhaust baffle 6 is provided in the exhaust duct 12, and the exhaust baffle 6 can selectively disconnect or connect the exhaust duct 12 to prevent the exhaust duct 12 from being connected when the exhaust fan 2 is not working, thereby causing water droplets to act on the exhaust fan 2.

[0067] In this embodiment, the exhaust barrier 6 is rotatably installed in the exhaust duct 12 so that the exhaust barrier 6 can switch between a stop state and an open state. When the exhaust barrier 6 is in the stop state, the exhaust barrier 6 blocks the conduction of the exhaust duct 12 to limit the airflow between the exhaust fan 2 and the exhaust port 121; when the exhaust barrier 6 is in the open state, the end of the exhaust barrier 6 away from its rotation axis is separated from the duct wall of the exhaust duct 12 to make the exhaust duct 12 conductive.

[0068] Furthermore, the exhaust damper 6 can rotate to an open state under the action of the wind pressure of the exhaust fan 2, and maintain or return to the stop state when the exhaust fan 2 stops. As a result, the exhaust damper 6 does not need to be controlled by other electrical controls, ensuring that the exhaust damper 6 is switched to an open state while the exhaust fan 2 is running, thereby simplifying the structure of the air duct assembly 100 and ensuring the reliability of exhaust.

[0069] A first restoring member is provided in the exhaust air duct 12, and the first restoring member is used to keep the exhaust baffle 6 in a closed state, and the first restoring member can apply an elastic force to the exhaust baffle 6 to restore it to a closed state when the exhaust baffle 6 is in an open state. This helps to ensure the reliability of the exhaust baffle 6 when it is restored to a closed state. The first elastic member is preferably a torsion spring provided on the rotating shaft of the exhaust baffle 6.

[0070] The channel wall of the exhaust air duct 12 is convexly provided with an annular stop flange, the exhaust air stopper 6 is a plate-shaped structure adapted to the cross section of the exhaust air duct 12, and one side of the exhaust air stopper 6 is rotatably connected to the inner wall of the exhaust air duct 12. When the exhaust air stopper 6 is in a stop state, the periphery of the exhaust air stopper 6 can abut against the stop flange. When the exhaust air stopper 6 is separated from the stop flange, the exhaust air duct 12 is in an open state.

[0071] In order to improve the condensation effect of the condensation air duct 113 on the hot and humid gas, in this embodiment, a condensation structure is provided in the condensation air duct 113. In this embodiment, the condensation structure includes a plurality of separated condensation protrusions 15, which are used to increase the contact area with the airflow, thereby improving the condensation effect on the hot and humid gas.

[0072] In this embodiment, at least two groups of condensation protrusions 15 are arranged at intervals along the extension direction of the condensation air duct 113, and each group of condensation protrusions 15 includes one condensation protrusion 15 or at least two condensation protrusions 15 arranged at intervals along the width direction of the condensation air duct 113. In order to increase the number of condensation protrusions 15, the condensation effect on the airflow is further improved.

[0073] Furthermore, in this embodiment, the condensation protrusion 15 is a long rib plate structure, and the condensation protrusion 15 extends along the extension direction of the condensation air duct 113. In other embodiments, the condensation protrusion 15 may also extend in a direction that is relatively inclined to the condensation air duct 113.

[0074] The condensation channel section includes an upper condensation portion 1131 and a lower condensation portion 1132. The upper end of the upper condensation portion 1131 is connected to the air extraction port 121, and the lower end of the lower condensation portion 1132 is connected to the drainage channel section. The angle between the upper condensation portion 1131 and the vertical direction is greater than the angle between the lower condensation portion 1132 and the vertical direction. The upper condensation portion 1131 and the lower condensation portion 1132 are arranged at an obtuse angle, thereby increasing the length of the condensation channel section on the basis of the unchanged height of the exhaust fan 2, and improving the condensation effect of the condensation air duct 113 on the airflow.

[0075] Adaptively, the condensation pipe part 111 includes an upper condensation pipe part 111 and a lower condensation pipe part 111, the inner cavity of the upper condensation pipe part 111 forms an upper condensation part 1131, and the inner cavity of the lower condensation pipe part 111 forms a lower condensation part 1132. The extension direction of the upper condensation part 1131 is consistent with the air outlet direction of the fan outlet of the exhaust fan 2, thereby reducing the exhaust resistance of the exhaust fan 2 and improving the exhaust efficiency.

[0076] Condensation protrusions are provided in both the upper condensation portion 1131 and the lower condensation portion 1132, and the condensation protrusions in the upper condensation portion 1131 extend along the extension direction of the upper condensation portion 1131, and the condensation protrusions in the lower condensation portion 1132 extend along the extension direction of the lower condensation portion 1132. Further, the cross-sectional width of the lower condensation portion 1132 gradually increases from bottom to top, and the upper end of the lower condensation portion 1132 is provided with a condensation protrusion, so as to reduce the cross-sectional area of ​​the lower end of the lower condensation portion 1132 while increasing the cross-sectional area of ​​the upper end of the lower condensation portion 1132, thereby facilitating the setting of the condensation protrusion on the upper part of the lower condensation portion 1132.

[0077] In this embodiment, an air supply duct 141 and an air supply port 142 connected to the air supply duct 141 are further provided inside the air duct housing 1, the air supply port 142 is connected to the inner liner 300, and the air supply duct 141 is separately provided from the condensation duct 113. The air duct assembly 100 further includes an air supply fan 3, which guides external airflow into the air supply duct 141, so that dry air can be delivered into the inner liner 300 through the air supply port 142 to dry the objects in the inner liner 300.

[0078] Furthermore, an air supply block 7 is provided in the air supply duct 141, and the air supply block 7 is located between the air supply fan 3 and the air supply port 142, and the air supply block 7 can switch between a closed state that blocks the conduction of the air supply duct 141 and a conduction state that conducts the air supply duct 141. The setting of the air supply block 7 allows the air supply block 7 to be in a closed state when there is no need to supply air to the inner liner 300, so that the hot and humid air or water droplets entering the air supply duct 141 through the air supply port 142 can be stopped by the air supply block 7 and will not act on the air supply fan 3, thereby improving the reliability of the air supply fan 3. The air supply block 7 is set higher than the air supply port 142.

[0079] In order to improve the convenience of setting the air supply stopper 7, the air supply stopper 7 is rotatably mounted on the air duct housing 1, so that the air supply stopper 7 switches between a conducting state of conducting the air supply duct 141 and a closed state of blocking the air supply duct 141. Further, the air supply stopper 7 is a plate-shaped structure, and an abutting convex ring is convexly provided inside the air supply duct 141. When the air supply stopper 7 is in the closed state, the air supply stopper 7 abuts against the abutting convex edge; when the air supply stopper 7 is in the conducting state, the air supply stopper 7 is at least partially separated from the abutting convex ring.

[0080] The air supply block 7 can automatically switch to the on state under the wind pressure of the air supply fan 3, so there is no need to set a driving structure for the air supply block 7, simplifying the structure of the air duct assembly 100, reducing the cost of the air duct assembly 100, and ensuring the synchronization of the operation of the air supply fan 3 and the state switching of the air supply block 7. Further, when the air supply block 7 is in the closed state, the air supply block 7 is perpendicular to the air flow direction in the air supply duct 141 or has a certain angle, so as to ensure that the air flow blown by the air supply fan 3 acts on the air supply block 7, thereby prompting the air supply block 7 to switch from the closed state to the on state.

[0081] A heating module 4 and / or a sterilization module 5 are provided in the air supply duct 141. The heating module 4 is used to heat the airflow flowing to the air supply port 142. The sterilization module 5 is used to generate or add sterilization particles to the airflow of the air supply duct 141 to sterilize the inside of the inner liner 300. By providing the heating module 4, the airflow flowing into the inner liner 300 can be heated, thereby improving the drying effect of the objects in the inner liner 300 and improving the user experience of the household appliance; by providing the sterilization module 5, the sterilization particles can sterilize the inner liner 300 and the objects in the inner liner 300, which is conducive to long-term cleaning of the inner liner 300, thereby facilitating long-term storage of the objects in the inner liner 300. For example, when the household appliance is a dishwasher, the sterilization position can sterilize and disinfect the tableware in the inner liner 300, thereby facilitating long-term storage of the tableware.

[0082] Furthermore, the heating module 4 is located between the air supply fan 3 and the air supply baffle 7 to prevent the hot and humid air in the inner tank 300 or the droplets splashed into the air supply duct 141 from acting on the heating module 4 .

[0083] Furthermore, the air supply duct 141 is an inverted U-shaped structure, and an air supply port 142 is provided at one end of the air supply duct 141, the air supply fan 3 is provided at the other end of the air supply duct 141, and the heating module 4 and the air supply fan 3 are located on the same side of the inverted U-shaped structure. That is, the air supply duct 141 includes a fan duct 1411 and an air inlet duct 1412 that respectively form two side portions of the U-shaped structure, the top of the fan duct 1411 is connected to the top of the air inlet duct 1412, the air supply fan 3 and the heating module 4 are both provided in the fan duct 1411, and the lower end of the air inlet duct 1412 is connected to the air supply port 142.

[0084] The structural setting of the above-mentioned air supply duct 141 can prevent the air entering the air supply duct 141 through the air supply port 142 from flowing to the heating module 4 and the air supply fan 3, thereby improving the safety of use of the heating module 4 and the air supply fan 3; at the same time, this setting can reduce the space occupied by the air supply duct 141 in the height direction while ensuring the installation space of the air supply fan 3 and the heating module 4, thereby improving the overall structural compactness of the air duct assembly 100.

[0085] The air supply baffle 7 is arranged in the fan air duct 1411 and is located above the air supply fan 3. When the air supply fan 3 is running, the wind pressure of the air supply fan 3 causes the air supply baffle 7 to flip upward, so that the air supply baffle 7 is switched to the on state. When the air supply fan 3 stops running, the air supply baffle 7 can automatically fall down to the closed state under the action of gravity, ensuring the sealing reliability of the air supply baffle 7 when it is in the closed state, and facilitating the return of the air supply baffle 7.

[0086] A second reset member is provided in the air supply duct 141, and the second reset member is used to keep the air supply baffle 7 in a closed state, and the second reset member can apply elastic force to the air supply baffle 7 to restore it to a closed state when the air supply baffle 7 is in a conducting state. This helps to ensure the reliability of the air supply baffle 7 when it is restored to a closed state. The second elastic member is preferably a torsion spring provided on the rotating shaft of the air supply baffle 7.

[0087] In this embodiment, the heating module 4 adopts a PTC heating module, which includes an outer cover and a PTC module 44 arranged inside the outer cover, and the outer cover includes a first half cover 41 and a second half cover 42 that are buckled and arranged. The outer side of the PTC module 44 is also wrapped with a sealing cover 43, which is located on the inner side of the outer cover and can be used to isolate the heat generated by the PTC module 44 from being conducted outward. The PTC heating module adopts an existing mature structure, and this embodiment does not repeat and limit the specific structure of the PTC heating module.

[0088] The air duct housing 1 includes an air supply housing 14, the inner cavity of which is formed with an air supply duct 141, and the air supply housing 14 is arranged in an inverted U shape. A mounting groove 144 is arranged on one side of the air supply housing 14, the PTC heating module is installed in the mounting groove 144, and the heating channel inside the PTC heating module 4 is connected in series to the fan duct 1411.

[0089] In this embodiment, one side of the outer cover of the heating module 4 is clamped to the air duct shell 1 by a clamping structure, and the other opposite side of the outer cover is fastened to the air duct shell 1 by a fastening screw to ensure the installation stability and disassembly convenience of the heating module 4 on the air duct shell 1. Furthermore, the side of the outer cover facing away from the inner tank 300 is flush with the corresponding side of the air duct shell 1 to improve the appearance of the entire air duct assembly 100 and improve the conduction and sealing between the heating module 4 and the air supply duct 141. In other embodiments, the heating module 4 can be clamped or screwed to the air duct shell 1 on both opposite sides.

[0090] In this embodiment, the sterilization module 5 includes a negative ion generator, the working end of which is sealed and inserted into the air supply duct 141 to generate negative ions for sterilization. In other embodiments, the sterilization module 5 can adopt other structures that can sterilize the objects in the inner container 300.

[0091] The sterilization module 5 is preferably arranged at the connecting point of the fan duct 1411 and the air inlet duct 1412, and the sterilization module 5 is located between the air supply baffle 7 and the air supply port 142, so as to avoid the problem of a longer length of the fan duct 1411 caused by the arrangement of the sterilization module 5 in the fan duct 1411, and improve the rationality of the arrangement of various structures in the air supply duct 141.

[0092] Furthermore, a mounting hole 145 is provided on the air duct shell 1 , the negative ion generator is installed on the outside of the air duct shell 1 , and the working end of the negative ion generator is sealed and extends into the air supply duct 141 through the mounting hole 145 .

[0093] In order to improve the installation convenience of the air supply fan 3, the air duct housing 1 has a second fan slot 143, and the second fan slot 143 is open on one side away from the inner liner 300. The upper side slot wall of the fan slot is provided with a connecting vent connected to the air supply duct 141. The air supply fan 3 is installed in the second fan slot 143, and the fan air inlet of the air supply fan 3 faces the opening of the second fan slot 143, and the fan air outlet of the air supply fan 3 is inserted in the connecting vent, so that when the air supply fan 3 is running, the external airflow enters the air supply duct 141 through the fan air inlet of the air supply fan 3, the inner cavity of the air supply fan 3 and the fan air outlet in sequence.

[0094] Furthermore, the condensation air duct 113 is arranged on a side of the air inlet duct 1412 away from the fan duct 1411, thereby ensuring the installation space of the air supply fan 3 while shortening the distance between the air supply duct 141 and the fan duct 1411, thereby improving the compactness of the internal structure of the duct shell 1 and reducing the size of the duct shell 1. In this embodiment, a side wall of the air inlet duct 1412 away from the fan duct 1411 is shared with a side wall of the lower condensation pipe portion 111.

[0095] The upper condenser 1131 is higher than the air supply duct 141, and the upper condenser 1131 is inclined from bottom to top in a direction away from the air inlet duct 1412, so as to reduce the interference between the upper condenser 1131 and the air inlet duct 1412, and provide sufficient space for the installation of the exhaust fan 2, so as to ensure the rationality of the structural layout of the duct assembly 100. The exhaust duct 12 is located on the upper side of the air supply duct 141 and on the side of the exhaust fan 2 facing the air supply duct 141, so as to improve the overall structural compactness of the duct housing 1 and reduce the overall floor space of the duct assembly 100.

[0096] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A household appliance, comprising a main body with an inner container (300), wherein a kicking member (400) is provided at the lower front side of the main body, characterized in that: The kicking member (400) has a mounting opening (401) that passes through from front to back, and the household appliance further comprises: An air duct assembly (100) comprises an air duct shell (1) and an exhaust fan (2), wherein the air duct shell (1) has an exhaust port (121) and a condensation air duct (113), wherein the condensation air duct (113) has a tendency to extend from top to bottom, and the upper end of the condensation air duct (113) is connected to the inner cavity of the inner liner (300) through the exhaust port (121), and the exhaust fan (2) guides the humid and hot gas in the inner liner (300) into the condensation air duct (113) through the exhaust port (121), and the condensation air duct (113) is capable of condensing the humid and hot gas; A water collecting box (200) is detachably mounted on the mounting opening (401) and has a water collecting chamber. The water collecting box (200) is connected to the air duct assembly (100) when mounted in the mounting opening (401) so that the lower end of the condensing air duct (113) is connected to the water collecting chamber.

2. The household appliance according to claim 1, characterized in that: The front side of the water collecting box (200) is provided with a handle structure; And / or, a plurality of exhaust holes (2012) are provided at the front upper end of the water collecting box (200); and / or, the front side of the water collecting box (200) is flush with the front side of the kicking member (400); And / or, the front side of the water collecting box (200) is at least partially transparent to form an observation window; And / or, the water collecting box (200) comprises a box body (201) and a cover body (202), the box body (201) has the water collecting cavity, the upper end surface of the box body (201) is provided with a drain outlet (2013) connected to the water collecting cavity, and the cover body (202) is detachably mounted at the drain outlet (2013).

3. The household appliance according to claim 2, characterized in that: A condensation water inlet is provided at the upper rear end of the water collecting box (200), the condensation water inlet is higher than the exhaust hole (2012) at the lowest point, and the condensation water inlet is connected to the second end of the condensation air duct (113); And / or, the air duct shell (1) includes a condensation tube body (11), the inner cavity of the condensation tube body (11) forms the condensation air duct (113), and a condensation water inlet is provided at the upper end of the rear side of the water collecting box (200), and the lower end of the condensation tube body (11) can be pluggably inserted into the condensation water inlet.

4. The household appliance according to claim 1, characterized in that: A condensation structure is arranged in the condensation air duct (113); And / or, the condensation air duct (113) includes a condensation channel section and a drainage channel section that are connected up and down, the condensation channel section extends from top to bottom and the upper end is connected to the air suction port (121), and the drainage channel section extends from front to back and the front end is connected to the water collection chamber.

5. The household appliance according to claim 4, characterized in that: The condensation channel section comprises an upper condensation portion (1131) and a lower condensation portion (1132) which are connected to each other from top to bottom, the upper end of the upper condensation portion (1131) is connected to the air extraction port (121), the lower end of the lower condensation portion (1132) is connected to the drainage channel section, and the angle between the upper condensation portion (1131) and the vertical direction is greater than the angle between the lower condensation portion (1132) and the vertical direction; And / or, the cross-sectional area of ​​at least the lower portion of the condensation channel section gradually increases from bottom to top.

6. The household appliance according to claim 1, characterized in that: An exhaust duct (12) and a first installation cavity (13) are arranged inside the air duct shell (1), the first installation cavity (13) has an air inlet connection port and an air outlet connection port, the first end of the exhaust duct (12) is connected to the exhaust port (121), the second end of the exhaust duct (12) is connected to the air inlet connection port, the upper end of the condensation duct (113) is connected to the air outlet connection port, the exhaust fan (2) is installed in the first installation cavity (13), and the fan air inlet of the exhaust fan (2) is connected to the air inlet connection port in a facing direction, and the fan air outlet of the exhaust fan (2) is connected to the air outlet connection port in a facing direction; The exhaust duct (12) extends obliquely upward from the exhaust port (121) to the exhaust fan (2), and the upper ends of the exhaust duct (12) and the condensation duct (113) are arranged at an acute angle; and / or, an exhaust baffle (6) is arranged in the exhaust duct (12), and the exhaust baffle (6) can selectively block or conduct the exhaust duct (12).

7. The household appliance according to any one of claims 1 to 6, characterized in that: An air supply duct (141) is arranged inside the air duct shell (1), and the air supply duct (141) is separated from the condensation duct (113). The air supply duct (141) has an air supply port (142) connected to the inner liner (300). The air duct assembly (100) also includes an air supply fan (3), and the air supply fan (3) is used to guide external airflow to enter the inner liner (300) through the air supply duct (141).

8. The household appliance according to claim 7, characterized in that: A heating module (4) is provided in the air supply duct (141), and the heating module (4) is used to heat the air flow flowing toward the air supply port (142); And / or, the air duct assembly (100) further includes a sterilization module (5), wherein the sterilization module (5) is used to generate or add sterilization particles into the air flow of the air supply duct (141) to sterilize the interior of the inner liner (300).

9. The household appliance according to claim 8, characterized in that: The air supply duct (141) is an inverted U-shaped structure, the air supply port (142) is arranged at one end of the air supply duct (141), the air supply fan (3) is installed at the other end of the air supply duct (141), and the heating module (4) and the air supply fan (3) are located on the same side of the inverted U-shaped structure; And / or, an air supply baffle (7) is provided inside the air supply duct (141), the air supply baffle (7) is located between the air supply fan (3) and the air supply port (142), and the air supply baffle (7) is higher than the air supply port (142), and the air supply baffle (7) can selectively block or open the air supply duct (141).

10. The household appliance according to claim 9, characterized in that: The air supply baffle (7) and the air supply fan (3) are installed on the same side of the inverted U-shaped structure, and the air supply baffle (7) is rotatably installed on the air duct shell (1) to switch between a conducting state that conducts the air supply duct (141) and a closed state that blocks the air supply duct (141), and the air supply baffle (7) can be switched to the conducting state under the action of the wind pressure of the air supply fan (3).

Images