CN109512274B

CN109512274B - Condensation exhaust structure and household appliance

Info

Publication number: CN109512274B
Application number: CN201811577975.5A
Authority: CN
Inventors: 司鹏; 区毅成
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2021-06-18
Anticipated expiration: 2038-12-20
Also published as: CN109512274A

Abstract

The invention discloses a condensation exhaust structure and a household appliance. Condensation exhaust structure includes aviation baffle and the steam cavity that flow equalizes, the air inlet has been seted up to the aviation baffle, the wind channel of gas vent and intercommunication air inlet and gas vent, the steam cavity that flow equalizes is located the wind channel and has seted up the steam and flow equalize the chamber, the steam intracavity that flow equalizes is equipped with the baffle, the baffle becomes first room and second room with the steam flow equalize chamber interval, first room is used for leading-in domestic appliance's steam, a plurality of first flow equalizing holes have been seted up to the bottom of baffle, a plurality of second flow equalizing holes have been seted up at the top of second room, the second flow equalizing hole is continuous the wind channel. Above-mentioned condensation exhaust structure, flow equalize the hole after the first room of domestic appliance exhaust steam entering and discharge to the wind channel through first flow equalizing hole, second room and second, again with the cold air heat transfer in the wind channel, later discharge from the gas vent, can make the steam distribution of discharging to the gas vent even, the steam through first flow equalizing hole and second flow equalizing hole takes place to condense easily, the content of the steam of reducible discharge to the gas vent.

Description

Condensation exhaust structure and household appliance

Technical Field

The invention relates to the technical field of household appliances, in particular to a condensation exhaust structure and a household appliance.

Background

In the related art, steam has been widely used in household appliances such as steam boxes, steam ovens, and microwave ovens. Cooking food with steam caters to the consumer's need for a healthy diet. In the culinary art process, domestic appliance can discharge a large amount of steam, and the temperature and the humidity of the steam of emission are all very high, drench the cupboard easily, make the cupboard damp, consequently, can adopt steam exhaust structure help exhaust steam, however, current steam exhaust structure makes the exhaust steam distribute inhomogeneously easily, thereby makes the air moisture content of the local position of gas vent too high, and a large amount of steam of local position can depend on the cupboard, also leads to mouldy scheduling problem very easily.

Disclosure of Invention

The embodiment of the invention provides a condensation exhaust structure and a household appliance.

The condensation exhaust structure comprises an air deflector and a steam flow equalizing cavity, wherein the air deflector is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet, the steam flow equalizing cavity is positioned in the air channel and provided with a steam flow equalizing cavity, a partition plate is arranged in the steam flow equalizing cavity and divides the steam flow equalizing cavity into a first chamber and a second chamber, the first chamber is used for introducing steam of the household appliance, the bottom of the partition plate is provided with a plurality of first flow equalizing holes, the top of the second chamber is provided with a plurality of second flow equalizing holes, and the second flow equalizing holes are communicated with the air channel.

The condensation exhaust structure of above-mentioned embodiment, from domestic appliance exhaust steam get into behind the first room through first flow equalizing hole, the second room and the second flow equalizing hole discharge to the wind channel in, again with the cold air heat transfer in the wind channel, later discharge from the gas vent, make the steam distribution of discharging to the gas vent even like this to steam through first flow equalizing hole and second flow equalizing hole takes place to condense easily, thereby reducible content of discharging to the steam of gas vent.

In some embodiments, the condensation exhaust structure comprises an exhaust pipe, the steam equalizing cavity is connected with an exhaust pipe, and the exhaust pipe is used for guiding steam of the household appliance into the first chamber.

In some embodiments, the condensation exhaust structure includes a fan connected to the air inlet, and the vapor flow equalizing cavity is disposed adjacent to the air inlet relative to the exhaust outlet.

In some embodiments, the side wall of the first chamber is opened with a steam inlet, and the opening area of the first flow equalizing hole close to the steam inlet is larger than that of the first flow equalizing hole far away from the steam inlet.

In some embodiments, the first flow equalizing hole has a shape of one or more of a polygon, a circle, and an ellipse.

In some embodiments, the steam flow equalizing cavity is in a strip shape, and the second flow equalizing holes are uniformly arranged at intervals along the length direction of the steam flow equalizing cavity.

In some embodiments, the second flow equalizing hole has a shape of one or more of a polygon, a circle, and an ellipse.

In some embodiments, the air deflector is tapered in a direction from the air inlet to the air outlet.

The embodiment of the invention also provides a household appliance which comprises a cavity and the condensation exhaust structure in any embodiment, wherein the condensation exhaust structure is arranged in the cavity.

The domestic appliance of above-mentioned embodiment, from domestic appliance exhaust steam get into behind the first room through first flow equalizing hole, the second room and the second flow equalizing hole discharge to the wind channel in, again with the cold air heat transfer in the wind channel, later discharge from the gas vent, make the steam distribution of discharging to the gas vent even like this to steam through first flow equalizing hole and second flow equalizing hole takes place to condense easily, thereby reducible content of discharging to the steam of gas vent.

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a home appliance according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a condensation exhaust structure according to an embodiment of the present invention.

Fig. 3 is another structural schematic diagram of a condensation exhaust structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of an air deflector according to an embodiment of the present invention.

FIG. 5 is a schematic cross-sectional view of a vapor flow equalizing chamber according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a steam equalizing cavity according to an embodiment of the present invention.

FIG. 7 is another schematic cross-sectional view of a vapor flow equalizing cavity in accordance with an embodiment of the present invention.

FIG. 8 is a front view of a vapor flow equalization chamber of an embodiment of the present invention.

FIG. 9 is a top view of a vapor flow equalizing cavity in accordance with an embodiment of the present invention.

FIG. 10 is a right side view of a vapor flow equalizing cavity in accordance with an embodiment of the present invention.

Description of the main element symbols:

the household appliance comprises a household appliance 200, a condensation exhaust structure 100, an air deflector 10, an air inlet 12, an air outlet 14, an air duct 16, a steam flow equalizing cavity 20, a steam flow equalizing cavity 22, a partition plate 24, a first chamber 26, a first flow equalizing hole 262, a side wall 264, a steam inlet 266, a second chamber 28, an upper wall surface 284, a second flow equalizing hole 282, a lower bottom plate 29, an exhaust pipe 30, a fan 40, a cavity 110, a control panel 120, a control key 122, a display screen 124, a door body assembly 130 and a door handle 132.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. The same or similar reference numbers in the drawings identify the same or similar elements or elements having the same or similar functionality throughout.

In addition, the embodiments of the present invention described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the embodiments of the present invention, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, fig. 2 and fig. 5, a condensation exhaust structure 100 is provided according to an embodiment of the present invention. The condensation exhaust structure 100 is used for the household appliance 200. Condensation exhaust structure 100 includes aviation baffle 10 and steam flow equalizing cavity 20, air inlet 12 has been seted up to aviation baffle 10, the wind channel 16 of gas vent 14 and intercommunication air inlet 12 and gas vent 14, steam flow equalizing cavity 20 is located wind channel 16 and has seted up steam flow equalizing chamber 22, be equipped with baffle 24 in the steam flow equalizing chamber 22, baffle 24 becomes first room 26 and second room 28 with steam flow equalizing chamber 22 interval, first room 26 is used for leading-in domestic appliance 200's steam, a plurality of first flow equalizing holes 262 have been seted up to baffle 24's bottom, a plurality of second flow equalizing holes 282 have been seted up at the top of second room 28, second flow equalizing holes 282 communicate wind channel 16.

In the condensation exhaust structure 100 of the above embodiment, the steam exhausted from the household appliance 200 enters the first chamber 26, is exhausted into the air duct 16 through the first flow equalizing hole 262, the second chamber 28 and the second flow equalizing hole 282, exchanges heat with the cold air in the air duct 16, and is exhausted from the exhaust port 14, so that the steam exhausted to the exhaust port 14 is uniformly distributed, and the steam passing through the first flow equalizing hole 262 and the second flow equalizing hole 282 is easily condensed, thereby reducing the content of the steam exhausted to the exhaust port 14.

Referring to fig. 4, in some embodiments, the air guiding plate 10 is tapered along the direction from the air inlet 12 to the air outlet 14. Therefore, the steam is favorably discharged from the air deflector 10, and the structure is simple.

In one embodiment, the air deflector 10 may be an equilateral trapezoid, with the air inlet 12 disposed at the upper base of the equilateral trapezoid and the air outlet 14 disposed at the lower base of the equilateral trapezoid.

In one embodiment, the steam flow equalizing cavity 20 may be a rectangular parallelepiped, and the partition plate 24 may be disposed at a middle position of the steam flow equalizing cavity 20. The partition 24 divides the vapor flow equalizing cavity 20 into a first chamber 26 and a second chamber 28, each of the first chamber 26 and the second chamber 28 having a rectangular parallelepiped shape. The first chamber 26 and the second chamber 28 are equal in volume. Of course, in other embodiments, the steam equalizing cavity 20 may be configured in other shapes, and the ratio of the volumes of the first chamber 26 and the second chamber 28 may also be configured according to actual requirements.

In some embodiments, the material of the vapor flow equalizing cavity 20 can be plastic, stainless steel, or aluminum.

In some embodiments, the first flow equalizing hole 262 is one or more of polygonal, circular, and elliptical in shape. As such, this allows the condensation exhaust structure 100 to be adapted to various home appliances 200.

Referring to fig. 5 to 10, in one embodiment, the first flow equalizing hole 262 is rectangular, the number of the first flow equalizing holes 262 is plural, the plural first flow equalizing holes 262 are arranged at intervals on the lower side of the partition plate 24 and close to the bottom plate 29 of the steam equalizing chamber 20, the steam enters the second chamber 28 from the first chamber 26 through the plural first flow equalizing holes 262, so that the steam can be divided once, the steam reaching the exhaust port 14 is uniformly distributed, and part of the steam can be condensed in the first chamber 26 with a lower temperature, and the condensed water can flow back to the household appliance 200 along the bottom plate 29 of the steam equalizing chamber 20, so that the content of the steam exhausted to the exhaust port 14 can be reduced, and the condensed water in the steam equalizing chamber 20 can be timely exhausted, thereby preventing bacteria from growing after the condensed water remains.

Referring to fig. 7, in some embodiments, the sidewall 264 of the first chamber 26 defines a steam inlet 266, and the opening area of the first flow equalizing hole 262 near the steam inlet 266 is larger than the opening area of the first flow equalizing hole 262 far from the steam inlet 266. In this way, the steam passing through the first flow equalizing hole 262 can achieve a better flow equalizing effect.

It will be appreciated that, during cooking, the steam content near the steam inlet 266 is greater than the steam content far from the steam inlet 266, and in the embodiment of the present invention, the opening area of the first flow equalizing hole 262 near the steam inlet 266 is set to be greater than the opening area of the first flow equalizing hole 262 far from the steam inlet 266, so as to ensure that the rate of the steam passing through the first flow equalizing hole 262 near the steam inlet 266 is consistent with the rate of the steam passing through the first flow equalizing hole 262 far from the steam inlet 266, so that a good steam equalizing effect can be achieved.

It should be noted that in other embodiments, the opening area of the first flow equalizing hole 262 near the steam inlet 266 is equal to the opening area of the first flow equalizing hole 262 far from the steam inlet 266.

Referring to fig. 3 and 5, in some embodiments, the steam flow equalizing cavity 20 is in a strip shape, and the second flow equalizing holes 282 are uniformly spaced along the length direction L of the steam flow equalizing cavity 20. Thus, the steam discharged from the second flow equalizing holes 282 is uniformly distributed, so that a good flow equalizing effect of the steam can be achieved.

Specifically, the shape of the second flow equalizing hole 282 is one or more of a polygon, a circle, and an ellipse. As such, this allows the condensation exhaust structure 100 to be adapted to various home appliances 200.

In one embodiment, the second flow equalization hole 282 is rectangular. The plurality of second flow equalizing holes 282 are disposed on the upper wall surface 284 of the second chamber 28, the steam passing through the second chamber 28 is discharged from the plurality of second flow equalizing holes 282 into the air duct 16, and the static pressure generated when the steam flows through the upper wall surface 284 of the steam flow equalizing chamber 22 is utilized, so that the secondary flow dividing effect of the steam is better, the distribution of the steam reaching the exhaust port 14 is more uniform, and part of the steam can be condensed in the second chamber 28 with lower temperature, so that the content of the steam discharged to the exhaust port 14 can be reduced.

Referring to fig. 1 to 3, in some embodiments, the steam equalizing cavity 20 is connected to an exhaust pipe 30, and the exhaust pipe 30 is used for guiding steam of the household appliance 200 into the first chamber 26. In this way, the steam in the home appliance 200 can be rapidly introduced into the first chamber 26 through the exhaust duct 30.

Specifically, one end of the exhaust duct 30 is connected to the steam inlet 266 of the first chamber 26, and the other end of the exhaust duct 30 is connected to the steam outlet inside the home appliance 200. The steam discharged from the home appliance 200 enters the first chamber 26 through the exhaust duct 30 and the steam inlet 266. The exhaust pipe 30 may be a flexible pipe resistant to high temperature. The exhaust tube 30 may be bent at an angle, such as 90 degrees.

Referring to fig. 1 to 3, in some embodiments, the condensation exhaust structure 100 includes a fan 40, the fan 40 is connected to the air inlet 12, and the steam equalizing cavity 20 is disposed near the air inlet 12 relative to the air outlet 14. In this way, the blower 40 can blow in a large amount of air with a low temperature through the air inlet 12, so as to mix with the steam exhausted from the steam equalizing chamber 22, thereby achieving the purposes of cooling and dehumidifying.

Specifically, the air outlet of the fan 40 is communicated with the air inlet 12 of the air deflector 10, when the fan 40 is started, a large amount of air with lower temperature can be drawn from the outside and discharged into the air deflector 10, the steam with higher temperature discharged from the steam flow equalizing cavity 22 is mixed with the air with lower temperature to generate condensed water, and the condensed water flows back to the drain pipe along the lower bottom plate 29 of the steam flow equalizing cavity 20.

Referring to fig. 1, fig. 2 and fig. 5, a household appliance 200 is further provided in an embodiment of the present invention, the household appliance 200 includes a cavity 110 and the condensation exhaust structure 100 of the above embodiment, and the condensation exhaust structure 100 is installed in the cavity 110.

According to the household appliance 200 of the embodiment of the invention, the steam discharged from the household appliance 200 enters the first chamber 26, is discharged into the air duct 16 through the first flow equalizing hole 262, the second chamber 28 and the second flow equalizing hole 282, exchanges heat with the cold air in the air duct 16, and is then discharged from the air outlet 14, so that the steam discharged to the air outlet 14 is uniformly distributed, and the steam passing through the first flow equalizing hole 262 and the second flow equalizing hole 282 is easily condensed, thereby reducing the content of the steam discharged to the air outlet 14.

Specifically, the household appliance 200 includes, but is not limited to, washing appliances (e.g., a dishwasher), a sterilizer, a steam box, a steam oven, a microwave oven, and the like, which use steam, and the example of fig. 1 is a steam box. The household appliance 200 includes a steam generator, which can provide a large amount of steam into the cavity 110, and the steam in the cavity 110 enters the steam equalizing chamber 22 through the exhaust pipe 30 under the action of the pressure difference. The steam is discharged out of the steam equalizing chamber 22 after passing through the first equalizing hole 262 and the second equalizing hole 282, respectively, and is discharged into the air deflector 10. The steam is condensed on the inner wall surface of the steam equalizing chamber 22 with a relatively low temperature to generate condensed water, and the condensed water is returned to the chamber 110 through the exhaust pipe 30 for secondary use. The blower 40 blows a large amount of air with lower temperature from the air inlet 12, and the steam discharged from the steam equalizing chamber 22 is mixed with the air with lower temperature to achieve the purpose of temperature reduction and dehumidification, the mixed wet air flows through a preset distance under the sealing action of the air deflector 10 and then is discharged through the air outlet 14, at this time, the steam discharged to the air outlet 14 is uniformly distributed, and the content of the steam is low.

In some embodiments, the condensation exhaust structure 100 is mounted on the top of the cavity 110. Thus, the transverse size of the household appliance 100 can be reduced, the household appliance 100 occupies a smaller area of the table top, and the space of the table top of a user is saved.

Specifically, the household appliance 200 further includes a control panel 120 and a door assembly 130. Control panel 120 is provided with control keys 122 and a display 124. The user may select a corresponding cooking time and cooking function by operating the control buttons 122, and the corresponding cooking time and cooking function may be displayed through the display screen 124. Door body subassembly 130 connects cavity 110, and door body subassembly 130 can connect in the lower side of cavity 110 with rotating, forms the mode of opening the door of drop-down formula, and the convenience of customers opens door body subassembly 130 like this and gets and put food. When the user operates to open the door assembly 130, the door assembly 130 moves downward due to the action of gravity, and the force of the user operation can be small. The door body assembly 130 and the cavity 110 may be connected by a hinge. The door assembly 130 has a door handle 132 on an outer surface thereof, so that a user can open the door assembly 130 or close the door assembly 130 by holding the door handle 132. In addition, sealing strips (not shown) can be installed on the peripheral side walls of the door body assembly 130, and when the door body assembly 130 is closed, the door body assembly 130 is matched with the sealing strips, so that steam in the household appliance 200 is not easy to dissipate.

In the description of the specification, reference to the terms "certain embodiments," "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, unless specifically limited otherwise.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present invention, which is defined by the claims and their equivalents.

Claims

1. A condensation exhaust structure is used for household appliances and is characterized by comprising an air deflector and a steam flow equalizing cavity, wherein the air deflector is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet, the steam flow equalizing cavity is positioned in the air channel and provided with a steam flow equalizing cavity, a partition plate is arranged in the steam flow equalizing cavity and divides the steam flow equalizing cavity into a first chamber and a second chamber, the first chamber is used for introducing steam into the household appliances, the bottom of the partition plate is provided with a plurality of first flow equalizing holes, the first flow equalizing holes are arranged at the lower side of the partition plate at intervals and are close to the lower bottom plate of the steam flow equalizing cavity, the top of the second chamber is provided with a plurality of second flow equalizing holes, the second flow equalizing holes are arranged on the upper wall surface of the second chamber, and are communicated with the air channel, the first flow equalizing hole and the second flow equalizing hole are respectively used for sequentially and twice shunting the steam.

2. A condensation exhaust structure according to claim 1, characterized in that an exhaust pipe is connected to the steam equalizing chamber for guiding steam of the household appliance to the first chamber.

3. A condensation exhaust structure according to claim 1, wherein said condensation exhaust structure comprises a fan connected to said inlet port, said vapor flow equalization chamber being disposed adjacent to said inlet port relative to said exhaust port.

4. A condensing exhaust structure according to claim 1, wherein a steam inlet is formed in a side wall of the first chamber, and an opening area of the first flow equalizing hole adjacent to the steam inlet is larger than an opening area of the first flow equalizing hole remote from the steam inlet.

5. A condensation exhaust structure according to claim 1, wherein the shape of said first flow equalizing hole is one or more of polygonal, circular and elliptical.

6. A condensation exhaust structure according to claim 1, wherein the steam flow equalizing cavity is strip-shaped, and the plurality of second flow equalizing holes are uniformly spaced along the length direction of the steam flow equalizing cavity.

7. A condensation exhaust structure according to claim 1, wherein the shape of said second flow equalizing hole is one or more of polygonal, circular and elliptical.

8. A condensation exhaust structure according to claim 1, wherein said air deflector is tapered in a direction from said air inlet to said air outlet.

9. A domestic appliance comprising a chamber and a condensation exhaust structure according to any one of claims 1 to 8, the condensation exhaust structure being mounted in the chamber.

10. The domestic appliance of claim 9 wherein said condensation exhaust structure is mounted on top of said cavity.