Door assembly and cooking utensil

Abstract

The door assembly comprises a door body, a fan assembly and a display control device, the door body is used for opening or closing a cooking cavity of the cooking utensil, the door body comprises an installation space, a display control area, an air inlet area and an air outlet area, and the air inlet area and the air outlet area are communicated with the installation space. The fan assembly is arranged in the installation space, the fan assembly is used for driving air to enter the installation space through the air inlet area and driving airflow in the installation space to be exhausted out of the installation space through the air outlet area, and the display control device is installed in the installation space, can exchange heat with the airflow in the installation space and comprises a display control surface; and the display control surface corresponds to the display control area. When the fan assembly operates, external air enters the mounting space through the air inlet area, the air entering the mounting space exchanges heat with the display control device, and the air after heat exchange is exhausted through the air outlet area, so that the temperature rise of the door body and the display control device is reduced, and the failure rate of the display control device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking equipment, in particular to a door assembly and a cooking utensil. Background Art

[0002] This section merely provides background information related to the present application and is not necessarily prior art.

[0003] A cooking appliance generally comprises a body and a door with a display and control device, wherein the door is connected to the body and is used to open or close a cooking cavity on the body.

[0004] During the cooking process, the heat in the cooking cavity will be transferred to the door body, causing the door body to temperature rise. The door body temperature rise will have an adverse effect on the display and control device, thereby increasing the failure rate of the display and control device. Utility Model Content

[0005] The purpose of this utility model is to at least solve the problem of display and control device failure caused by door body temperature rise. This purpose is achieved through the following technical solutions:

[0006] A first aspect of the present invention provides a door assembly for a cooking appliance, the door assembly comprising:

[0007] a door body, the door body being used to open or close the cooking cavity of the cooking appliance, the door body comprising an installation space, a display and control area, an air inlet area, and an air outlet area, the air inlet area and the air outlet area being respectively connected to the installation space;

[0008] a fan assembly, the fan assembly being disposed in the installation space, the fan assembly being configured to drive air into the installation space through the air inlet area, and to drive airflow in the installation space out of the installation space through the air outlet area;

[0009] A display and control device is installed in the installation space and can exchange heat with the airflow in the installation space. The display and control device includes a display and control surface, and the display and control surface is arranged corresponding to the display and control area.

[0010] According to the door assembly of the present invention, the display and control device and the fan assembly are respectively arranged in the installation space of the door body. When the fan assembly is running, external air enters the installation space through the air inlet area, and the air entering the installation space exchanges heat with the display and control device. The air after heat exchange is discharged through the air outlet area, thereby reducing the temperature rise of the door body and the display and control device, and thus reducing the failure rate of the display and control device.

[0011] In addition, the door assembly according to the present invention may also have the following additional technical features:

[0012] In some embodiments of the present invention, the door body includes a bottom and a top that are relatively arranged, the bottom is provided with the air inlet area, the air outlet area includes a first air outlet part, the top is provided with the first air outlet part, the display and control device is arranged between the air inlet area and the first air outlet part, the fan assembly includes a first fan, and the first fan is arranged between the display and control device and the first air outlet part.

[0013] In some embodiments of the present invention, the door body also includes a first side portion, which is respectively connected to the top and the bottom, the air outlet area includes a second air outlet portion, the second air outlet portion is arranged on the first side portion and is opposite to one end of the display and control device, and the fan assembly also includes a second fan, which is arranged between the display and control device and the second air outlet portion.

[0014] In some embodiments of the present invention, the door body also includes a second side portion arranged opposite to the first side portion, the second side portion is respectively connected to the top and the bottom, the air outlet area includes a third air outlet portion, the third air outlet portion is arranged on the second side portion and is arranged opposite to the other end of the display and control device, the fan assembly also includes a third fan, and the third fan is arranged between the display and control device and the third air outlet portion.

[0015] In some embodiments of the present invention, the first air outlet portion includes a plurality of first air outlet holes, and the plurality of first air outlet holes are dispersedly arranged in the first air outlet portion;

[0016] And / or, the second air outlet portion includes a plurality of second air outlet holes, and the plurality of second air outlet holes are dispersedly arranged in the second air outlet portion;

[0017] And / or, the third air outlet portion includes a plurality of third air outlet holes, and the plurality of third air outlet holes are dispersedly arranged in the third air outlet portion.

[0018] In some embodiments of the present invention, the door body includes:

[0019] an inner frame, the inner frame comprising a hollow area;

[0020] An outer frame, the outer frame being sleeved on the outer circumference of the inner frame at intervals, and the outer frame and the inner frame enclose an annular space;

[0021] a first light-transmitting plate, located on one side of the door in the thickness direction, the first light-transmitting plate being connected to the inner frame and the outer frame respectively, and respectively closing one side of the annular space and one side of the hollow area along the thickness direction of the door;

[0022] The second light-transmitting plate is on the other side of the door body in the thickness direction, and the first light-transmitting plate is respectively connected to the inner frame and the outer frame. Along the thickness direction of the door body, the first light-transmitting plate respectively closes the other side of the annular space and the other side of the hollow area. The first light-transmitting plate, the second light-transmitting plate, the inner frame and the outer frame enclose the installation space.

[0023] In some embodiments of the present invention, the door body also includes a third light-transmitting plate, which is arranged in the hollow area, and the circumferential edge of the third light-transmitting plate is connected to the inner wall of the inner frame. The third light-transmitting plate, the inner frame and the first light-transmitting plate enclose a first space, and the third light-transmitting plate, the inner frame and the second light-transmitting plate enclose a second space. An air outlet is provided at the top of the second space, and an air inlet is provided at the bottom of the second space. The air outlet is connected to the first air outlet part through the installation space, and the air inlet is connected to the air inlet area through the installation space.

[0024] In some embodiments of the present invention, the first fan is arranged between the second space and the first air outlet part, an air guide is provided at the position of the air outlet, and the air outlet is connected to the first fan through the air guide.

[0025] In some embodiments of the present invention, the display and control device is arranged between the air inlet and the air inlet area, the bottom of the display and control device is arranged opposite to the air inlet area, the length direction of the display and control device is consistent with the length direction of the door body, and along the length direction of the door body, the size of the air inlet area is at least larger than half of the size of the display and control device.

[0026] In some embodiments of the present invention, the first light-transmitting plate is a first steel glass plate;

[0027] And / or, the second light-transmitting plate is a second steel glass plate;

[0028] And / or, the third light-transmitting plate is a third steel glass plate.

[0029] In some embodiments of the present invention, the air inlet area includes a plurality of air inlet holes, and the plurality of air inlet holes are dispersedly arranged in the air inlet area.

[0030] A second aspect of the present invention provides a cooking utensil, comprising:

[0031] a machine body, said machine body including a cooking cavity;

[0032] According to the door assembly as described above, the door assembly is pivotally connected to the machine body and is used to open or close the cooking cavity.

[0033] According to the cooking appliance of the present invention, in the door assembly, the display and control device and the fan assembly are respectively arranged in the installation space of the door body. When the fan assembly is running, external air enters the installation space through the air inlet area, and the air entering the installation space exchanges heat with the display and control device. The air after heat exchange is discharged through the air outlet area, thereby reducing the temperature rise of the door body and the display and control device, and further reducing the failure rate of the display and control device. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. The same reference numerals are used throughout the accompanying drawings to denote the same components. In the accompanying drawings:

[0035] Figure 1 Schematically shows a structural diagram of a cooking utensil according to an embodiment of the present utility model;

[0036] Figure 2 for Figure 1 A schematic structural diagram of a door assembly of a cooking appliance shown in ;

[0037] Figure 3 for Figure 2 A schematic structural diagram of the door assembly shown in FIG. 1 at a second viewing angle;

[0038] Figure 4 for Figure 2 A schematic structural diagram of the door assembly shown in FIG. 1 at a third viewing angle;

[0039] Figure 5 for Figure 4 sectional view of the door assembly at AA shown in FIG (the black straight arrow line in the figure indicates the direction of air flow);

[0040] Figure 6 for Figure 2 A schematic structural diagram of the door assembly shown in FIG. 1 at a fourth viewing angle;

[0041] Figure 7 for Figure 6 The cross-sectional view at BB of the door assembly is shown in FIG (the black straight arrow line in the figure indicates the flow direction of the airflow).

[0042] The reference numerals are as follows:

[0043] 100. Cooking utensils;

[0044] 10. Body;

[0045] 20. Door assembly;

[0046] 21. Door body;

[0047] 211. Outer frame; 2111. First air outlet portion; 21111. First air outlet hole; 2112. Second air outlet portion; 21121. Second air outlet hole; 2113. Third air outlet portion; 21131. Third air outlet hole; 2114. Air inlet area; 21141. Air inlet hole; 212. Inner frame; 2121. Air inlet; 2122. Air outlet; 213. First light-transmitting plate; 214. Second light-transmitting plate; 2141. Display and control area; 2142. Observation area; 215. Third light-transmitting plate; 216. Air guide;

[0048] 22. Fan assembly;

[0049] 221, first fan; 222, second fan; 223, third fan;

[0050] 23. Display and control device;

[0051] 24. Installation space;

[0052] 25. First Space;

[0053] 26. Second Space;

[0054] a. Thickness direction, b. Length direction; c. Height direction. DETAILED DESCRIPTION

[0055] The following describes exemplary embodiments of the present application in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. Instead, these embodiments are provided to enable a more thorough understanding of the present application and to fully convey the scope of the present application to those skilled in the art.

[0056] It should be understood that the terms used herein are for the purpose of describing specific example embodiments only and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "comprise", "include", "contain" and "have" are inclusive and therefore specify the presence of stated features, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring them to be performed in the specific order described or illustrated, unless the order of execution is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0057] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0058] For ease of description, spatially relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figures, such as "inside," "outside," "inside," "outside," "below," "beneath," "above," and the like. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is flipped over, an element described as "below" or "beneath" another element or feature would then be oriented "above" or "above" the other element or feature. Thus, the example term "below" can encompass both above and below orientations.

[0059] like Figures 1 to 7 As shown, according to an embodiment of the present invention, a door assembly 20 for a cooking appliance 100 is proposed. The door assembly 20 includes a door body 21 , a fan assembly 22 and a display and control device 23 .

[0060] The cooking utensil 100 also includes a body 10, on which a cooking cavity having a take-in / out opening is provided. When the door assembly 20 is used in the cooking utensil 100, a door body 21 is installed on the body 10, and the door body 21 can pivot relative to the body 10 so that the door body 21 can open or close the cooking cavity.

[0061] The door body 21 includes an air inlet area 2114, an air outlet area, a display and control area 2141, and an installation space 24. The air inlet area 2114 and the air outlet area are respectively connected to the installation space 24, meaning that the installation space 24 can be connected to the outside world through the air inlet area 2114 and the air outlet area. The fan assembly 22 and the display and control device 23 are respectively installed in the installation space 24. When the fan assembly 22 is in operation, it allows outside air to enter the installation space 24 through the air inlet area 2114 and discharges the airflow within the installation space 24 to the outside world through the air outlet area. The display and control surface of the display and control device 23 is arranged corresponding to the display and control area 2141. The user can obtain the information displayed on the display and control device 23 through the display and control area 2141 and operate the display and control surface through the display and control area 2141. At the same time, the display and control device 23 exchanges heat with the airflow within the installation space 24, reducing the temperature rise of the display and control device 23.

[0062] According to the door assembly 20 of the present invention, the display and control device 23 and the fan assembly 22 are respectively arranged in the installation space 24 of the door body 21. When the fan assembly 22 is running, the external air enters the installation space 24 through the air inlet area 2114. The air entering the installation space 24 exchanges heat with the display and control device 23. The air after heat exchange is discharged through the air outlet area, thereby reducing the temperature rise of the door body 21 and the display and control device 23, and thereby reducing the failure rate of the display and control device 23.

[0063] In addition, driven by the fan assembly 22, the outside air enters the installation space 24 through the air inlet area 2114, and the air flow in the installation space 24 is discharged through the air outlet area, so that the air flow flowing through the installation space 24 can be used to dissipate heat for the door body 21, thereby reducing the temperature rise of the door body 21.

[0064] In some embodiments of the present invention, Figures 1 to 6 As shown, the door body 21 is a rectangular structure, and the door body 21 includes a bottom and a top that are relatively arranged. When the door body 21 is installed on the body 10 of the cooking appliance 100, the side of the door body 21 facing the supporting surface is the bottom, and the side of the door body 21 facing away from the supporting surface is the bottom.

[0065] Among them, the air outlet area includes a first air outlet part 2111 set at the top of the door body 21, the air inlet area 2114 is set on the bottom of the door body 21, the display and control device 23 is set between the first air outlet part 2111 and the air inlet area 2114, and the fan assembly 22 includes a first fan 221, and the first fan 221 is set between the first air outlet part 2111 and the display and control device 23.

[0066] like Figure 5As shown, when the first fan 221 is running, the air flow enters the installation space 24 through the air inlet area 2114 and flows toward the first air outlet part 2111. When the air flow passes through the position of the display and control device 23, the air flow exchanges heat with the display and control device 23 to reduce the temperature rise of the display and control device 23. The air flow after heat exchange is discharged through the first air outlet part 2111 under the drive of the first fan 221.

[0067] By setting the positions of the air inlet area 2114, the first air outlet part 2111, the display and control device 23 and the first fan 221, the display and control device 23 is placed in the flow path of the airflow, thereby effectively realizing the heat dissipation operation of the display and control device 23, and then effectively reducing the temperature rise of the display and control device 23.

[0068] In addition, the air inlet area 2114 is set at the bottom of the door body 21, and the first air outlet part 2111 is set at the top of the door body 21. When the first fan 221 is running, the air flow in the installation space 24 can flow in the height direction c of the door body 21, thereby increasing the heat dissipation area of the door body 21, and then effectively reducing the temperature rise of the door body 21.

[0069] In some embodiments of the present invention, Figures 1 to 4 As shown, the door body 21 is a rectangular structure. The door body 21 includes a bottom, a top, and a first side connected between the top and the bottom. In the air outlet area, it includes a second air outlet part 2112. The second air outlet part 2112 is arranged on the first side, and the second air outlet part is arranged opposite to one end of the display and control device 23. The fan assembly 22 also includes a second fan 222. The second fan 222 is arranged between the second air outlet part 2112 and the display and control device 23.

[0070] Specifically, in the present application, the display and control device 23 is arranged in the installation space 24 of the door body 21 and extends along the length direction b of the door body 21. Figure 5 As shown, when the first fan 221 and the second fan 222 are running at the same time, under the action of the first fan 221 and the second fan 222, the outside air enters the installation space 24 through the air inlet area 2114. Part of the airflow entering the installation space 24 flows in the direction of the first fan 221, and the other part flows in the direction of the second fan 222. The airflow flowing toward the first fan 221 exchanges heat with the part of the display and control device 23 in the height direction c of the door body 21, and the airflow flowing toward the second fan 222 exchanges heat with the part of the display and control device 23 in the length direction b of the door body 21, thereby increasing the heat exchange area of the display and control device 23, improving the heat exchange effect of the display and control device 23, and further reducing the temperature rise of the display and control device 23.

[0071] In some embodiments of the present invention, Figures 1 to 4As shown, the door body 21 has a rectangular structure and includes a bottom, a top, and a first side portion and a second side portion connected between the top and the bottom, with the second side portion being opposite the first side portion. The air outlet area also includes a third air outlet portion 2113, which is disposed on the second side portion and opposite the other end of the display and control device 23. The fan assembly 22 also includes a third fan 223, which is disposed between the third air outlet portion 2113 and the display and control device 23.

[0072] Specifically, in the present application, the display and control device 23 is extended in the installation space 24 of the door body 21 along the length direction b of the door body 21 . When the first fan 221, the second fan 222 and the third fan 223 are running at the same time, under the action of the first fan 221, the second fan 222 and the third fan 223, the outside air enters the installation space 24 through the air inlet area 2114. Part of the airflow entering the installation space 24 flows toward the first fan 221, part flows toward the second fan 222, and part flows toward the third fan 223. The airflow flowing toward the first fan 221 exchanges heat with the part of the display and control device 23 in the height direction c of the door body 21, and the airflow flowing toward the second fan 222 and the third fan 223 exchanges heat with the part of the display and control device 23 in the length direction b of the door body 21, further increasing the heat exchange area of the display and control device 23, thereby further improving the heat exchange effect of the display and control device 23, and further reducing the temperature rise of the display and control device 23.

[0073] In some embodiments of the present invention, Figure 2 As shown, the first air outlet portion 2111 includes a plurality of first air outlet holes 21111 dispersedly arranged in the first air outlet portion 2111. By providing a plurality of first air outlet holes 21111, the air outlet volume of the first air outlet portion 2111 is increased, so that the airflow in the installation space 24 can be quickly discharged.

[0074] It should be pointed out that in the present application, multiple first air outlet holes 21111 are evenly distributed in the first air outlet part 2111, and the shapes of the first air outlet holes 21111 include but are not limited to circular, elliptical or polygonal. In addition, taking the first air outlet hole 21111 as a circular hole as an example, the diameter of the first air outlet hole 21111 is less than or equal to 5 mm to reduce the situation where foreign matter enters the interior of the door body 21 through the first air outlet hole 21111.

[0075] In some embodiments of the present invention, Figure 2As shown, the second air outlet portion 2112 includes a plurality of second air outlet holes 21121 dispersedly arranged in the second air outlet portion 2112. By providing a plurality of second air outlet holes 21121, the air outlet volume of the second air outlet portion 2112 is increased, so that the airflow in the installation space 24 can be quickly discharged.

[0076] It should be pointed out that in the present application, multiple second air outlet holes 21121 are evenly distributed in the second air outlet part 2112, and the shapes of the second air outlet holes 21121 include but are not limited to circular, elliptical or polygonal. In addition, taking the second air outlet hole 21121 as a circular hole as an example, the diameter of the second air outlet hole 21121 is less than or equal to 5 mm to reduce the situation where foreign matter enters the interior of the door body 21 through the second air outlet hole 21121.

[0077] In some embodiments of the present invention, Figure 3 As shown, the third air outlet portion 2113 includes a plurality of third air outlet holes 21131 dispersedly arranged in the second air outlet portion 2112. By providing a plurality of third air outlet holes 21131, the air outlet volume of the third air outlet portion 2113 is increased, so that the airflow in the installation space 24 can be quickly discharged.

[0078] It should be pointed out that in the present application, multiple third air outlet holes 21131 are evenly distributed in the third air outlet part 2113, and the shapes of the third air outlet holes 21131 include but are not limited to circular, elliptical or polygonal. In addition, taking the third air outlet hole 21131 as a circular hole as an example, the diameter of the third air outlet hole 21131 is less than or equal to 5 mm to reduce the situation where foreign matter enters the interior of the door body 21 through the third air outlet hole 21131.

[0079] In some embodiments of the present invention, Figure 5 and Figure 7 As shown, the door body 21 includes an inner frame 212, an outer frame 211, a first light-transmitting plate 213 and a second light-transmitting plate 214. The inner frame 212 encloses a hollow area, the outer frame 211 is sleeved on the outer peripheral side of the inner frame 212, and the outer frame 211 and the inner frame 212 are spaced apart to enclose an annular space.

[0080] The door body 21 has two opposite sides in the thickness direction a of the door body 21. A first light-transmitting plate 213 is disposed on one side thereof and is connected to the outer frame 211 and the inner frame 212, respectively. The first light-transmitting plate 213 seals the hollow area on one side of the door body 21 in the thickness direction a, and the first light-transmitting plate 213 seals the annular space on one side of the door body 21 in the thickness direction a. A second light-transmitting plate 214 is disposed on the other side thereof and is connected to the outer frame 211 and the inner frame 212, respectively. The second light-transmitting plate 214 seals the hollow area on the other side of the door body 21 in the thickness direction a, and the second light-transmitting plate 214 seals the annular space on the other side of the door body 21 in the thickness direction a.

[0081] The space enclosed by the first light-transmitting plate 213, the second light-transmitting plate 214, the inner frame 212, and the outer frame 211 constitutes the installation space 24, which is arranged circumferentially around the inner frame 212. The hollow area within the installation space forms an observation channel, which corresponds to the observation area 2142 of the door 21, allowing the user to observe the cooking conditions within the cooking cavity through the observation channel. In this application, when the door assembly 20 is used in the cooking appliance 100, the first light-transmitting plate 213 faces the cooking cavity and seals the cooking cavity's access opening. The second light-transmitting plate 214 faces away from the cooking cavity. The display and control area 2141 and the observation area 2142 are respectively disposed on the second light-transmitting plate 214. The display and control device 23 interacts with the user via the display and control area 2141, and the user can observe the cooking conditions within the cooking cavity through the observation area 2142 and the observation channel.

[0082] The door body 21 has a simple structure, which effectively reduces the manufacturing cost and can effectively meet the installation requirements of the fan component 22 and the display and control component.

[0083] It should be understood that, in the present application, the air inlet area 2114 , the first air outlet portion 2111 , the second air outlet portion 2112 and the third air outlet portion 2113 are all provided on the outer frame 211 .

[0084] In some embodiments of the present invention, Figure 5 and Figure 7As shown, the door body 21 also includes a third light-transmitting plate 215 arranged in the hollow area, the inner wall of the inner frame 212 is connected to the circumferential edge of the third light-transmitting plate 215, and the third light-transmitting plate 215 is spaced apart from the first light-transmitting plate 213 and the second light-transmitting plate 214 respectively. The inner frame 212, the first light-transmitting plate 213 and the third light-transmitting plate 215 enclose a first space 25, and the inner frame 212, the second light-transmitting plate 214 and the third light-transmitting plate 215 enclose a second space 26. An air outlet 2122 is provided on the main body of the inner frame 212 located at the top of the second space 26, and an air inlet 2121 is provided on the main body of the inner frame 212 located at the bottom of the second space 26. The second space 26, the air outlet 2122, the installation space 24 and the first air outlet part 2111 are connected in sequence, and the air inlet area 2114, the installation space 24, the air inlet 2121 and the second space 26 are connected in sequence.

[0085] When the fan assembly 22 is running, the outside air enters the installation space 24 through the air inlet area 2114, and part of the air flow flows toward the first fan 221 of the fan assembly 22. The flowing air flow flows out through the air inlet 2121, the second space 26, the air outlet 2122, the installation space 24 and the first air outlet part 2111.

[0086] By setting the third light-transmitting plate 215, the hollow area of the inner frame forms a first space 25 and a second space 26, wherein the first space 25 is a closed space, and the first space 25 is used to block heat and reduce heat transfer. The second space 26 can pass through the airflow, and the flowing airflow is used to dissipate heat to the door body 21, thereby reducing the temperature rise of the door body 21.

[0087] In some embodiments of the present invention, Figure 5 As shown, the first fan 221 is disposed between the first air outlet portion 2111 and the second space 26. An air guide 216 is provided at the location of the air outlet 2122. The first fan 221 is connected to the air outlet 2122 via the air guide 216. The provision of the air guide 216 allows the first fan 221 to be directly connected to the air outlet 2122 of the second space 26, thereby reducing the diffusion of the airflow out of the second space 26 and increasing the flow rate of the airflow in the second space 26, thereby improving the heat exchange efficiency of the door body 21.

[0088] In some embodiments of the present invention, Figure 5 or Figure 7As shown, the display and control device 23 is disposed between the air inlet area 2114 and the air inlet 2121. The air inlet area 2114 is disposed opposite the bottom of the display and control device 23. Along the length direction of the display and control device 23 (the length direction of the display and control device 23 coincides with the length direction of the door body 21, i.e., along the length direction b of the door body 21), the size of the air inlet area 2114 is at least one-half the size of the display and control device 23. Due to the provision of the air inlet area 2114, when outside air enters the installation space 24 through the air inlet area 2114, it can directly pass through the display and control device 23, thereby effectively achieving heat exchange with the display and control device 23 and reducing the temperature rise of the display and control device 23.

[0089] In addition, by setting the size of the air inlet area 2114, the air intake volume through the air inlet area 2114 is increased, which can further improve the heat exchange efficiency and reduce the temperature rise of the display and control device 23.

[0090] In some embodiments of the present invention, the first light-transmitting plate 213 is a first steel glass plate. Setting the first light-transmitting plate 213 as the first steel glass plate can improve the structural strength and temperature resistance of the first light-transmitting plate 213, thereby increasing the service life of the first light-transmitting plate 213.

[0091] In some embodiments of the present invention, the second light-transmitting plate 214 is a second steel glass plate. Setting the second light-transmitting plate 214 as a second steel glass plate can improve the structural strength and temperature resistance of the second light-transmitting plate 214, thereby increasing the service life of the second light-transmitting plate 214.

[0092] In some embodiments of the present invention, the third light-transmitting plate 215 is a third steel glass plate. Setting the third light-transmitting plate 215 as a third steel glass plate can improve the structural strength and temperature resistance of the third light-transmitting plate 215, thereby increasing the service life of the third light-transmitting plate 215.

[0093] In this application, the first, second, and third steel glass panels are all Low-E glass. Low-E glass, also known as low-emissivity glass, is a glass product coated with multiple layers of metal or other compounds. This coating has the properties of high transmittance of visible light and high reflection of mid- and far-infrared radiation. It also provides excellent thermal insulation and good light transmittance.

[0094] In some embodiments of the present invention, Figure 5 As shown, the air inlet area 2114 includes a plurality of air inlet holes 21141 dispersedly arranged in the air inlet area 2114. By providing a plurality of air inlet holes 21141, the air intake of the air inlet area 2114 is increased, so that the outside air can quickly enter the installation space 24.

[0095] It should be pointed out that in the present application, the air inlet holes 21141 are evenly distributed in the air inlet area 2114, and the shapes of the air inlet holes 21141 include but are not limited to circular, elliptical or polygonal. In addition, taking the air inlet holes 21141 as a circular hole as an example, the diameter of the air inlet holes 21141 is less than or equal to 5 mm to reduce the situation where foreign matter enters the interior of the door body 21 through the third air outlet hole 21131.

[0096] like Figures 1 to 7 As shown, the second aspect of the present invention proposes a cooking appliance 100, which includes a body 10 and a door assembly 20 as described above. The body 10 includes a cooking cavity, and the door assembly 20 is pivotally connected to the body 10 and is used to open or close the cooking cavity.

[0097] According to the cooking appliance 100 of the present invention, in the door assembly 20, the display and control device 23 and the fan assembly 22 are respectively arranged in the installation space 24 of the door body 21. When the fan assembly 22 is running, the external air enters the installation space 24 through the air inlet area 2114. The air entering the installation space 24 exchanges heat with the display and control device 23. The air after heat exchange is discharged through the air outlet area, thereby reducing the temperature rise of the door body 21 and the display and control device 23, thereby reducing the failure rate of the display and control device 23.

[0098] The above-mentioned cooking appliance can be an oven or a microwave oven. In the present application, the above-mentioned cooking appliance is a microwave oven. For the structure of other parts of the microwave oven, please refer to the prior art, and this application will not go into details here.

[0099] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A door assembly for a cooking appliance, characterized in that: The door assembly comprises: a door body, the door body being used to open or close the cooking cavity of the cooking appliance, the door body comprising an installation space, a display and control area, an air inlet area, and an air outlet area, the air inlet area and the air outlet area being respectively connected to the installation space; a fan assembly, the fan assembly being disposed in the installation space, the fan assembly being configured to drive air into the installation space through the air inlet area, and to drive airflow in the installation space out of the installation space through the air outlet area; A display and control device is installed in the installation space and can exchange heat with the airflow in the installation space. The display and control device includes a display and control surface, and the display and control surface is arranged corresponding to the display and control area.

2. The door assembly according to claim 1, wherein: The door body includes a bottom and a top that are relatively arranged, the bottom is provided with the air inlet area, the air outlet area includes a first air outlet part, the top is provided with the first air outlet part, the display and control device is arranged between the air inlet area and the first air outlet part, the fan assembly includes a first fan, and the first fan is arranged between the display and control device and the first air outlet part.

3. The door assembly according to claim 2, wherein: The door body also includes a first side portion, which is respectively connected to the top and the bottom. The air outlet area includes a second air outlet portion, which is arranged on the first side portion and opposite to one end of the display and control device. The fan assembly also includes a second fan, which is arranged between the display and control device and the second air outlet portion.

4. The door assembly according to claim 3, wherein: The door body also includes a second side portion arranged opposite to the first side portion, and the second side portion is respectively connected to the top and the bottom. The air outlet area includes a third air outlet part, and the third air outlet part is arranged on the second side portion and opposite to the other end of the display and control device. The fan assembly also includes a third fan, and the third fan is arranged between the display and control device and the third air outlet part.

5. The door assembly according to claim 4, wherein: The first air outlet portion includes a plurality of first air outlet holes, and the plurality of first air outlet holes are dispersedly arranged in the first air outlet portion; And / or, the second air outlet portion includes a plurality of second air outlet holes, and the plurality of second air outlet holes are dispersedly arranged in the second air outlet portion; And / or, the third air outlet portion includes a plurality of third air outlet holes, and the plurality of third air outlet holes are dispersedly arranged in the third air outlet portion.

6. The door assembly according to claim 2, wherein: The door body comprises: an inner frame, the inner frame comprising a hollow area; An outer frame, the outer frame being sleeved on the outer circumference of the inner frame at intervals, and the outer frame and the inner frame enclose an annular space; a first light-transmitting plate, located on one side of the door in the thickness direction, the first light-transmitting plate being connected to the inner frame and the outer frame respectively, and respectively closing one side of the annular space and one side of the hollow area along the thickness direction of the door; The second light-transmitting plate is on the other side of the door body in the thickness direction, and the first light-transmitting plate is respectively connected to the inner frame and the outer frame. Along the thickness direction of the door body, the first light-transmitting plate respectively closes the other side of the annular space and the other side of the hollow area. The first light-transmitting plate, the second light-transmitting plate, the inner frame and the outer frame enclose the installation space.

7. The door assembly according to claim 6, wherein: The door body also includes a third light-transmitting plate, which is arranged in the hollow area, and the circumferential edge of the third light-transmitting plate is connected to the inner wall of the inner frame. The third light-transmitting plate, the inner frame and the first light-transmitting plate enclose a first space, and the third light-transmitting plate, the inner frame and the second light-transmitting plate enclose a second space. An air outlet is provided at the top of the second space, and an air inlet is provided at the bottom of the second space. The air outlet is connected to the first air outlet part through the installation space, and the air inlet is connected to the air inlet area through the installation space.

8. The door assembly according to claim 7, wherein: The first fan is arranged between the second space and the first air outlet portion, and an air guide is provided at the position of the air outlet. The air outlet is connected to the first fan through the air guide.

9. The door assembly according to claim 7, wherein: The display and control device is arranged between the air inlet and the air inlet area, the bottom of the display and control device is arranged opposite to the air inlet area, the length direction of the display and control device is consistent with the length direction of the door body, and along the length direction of the door body, the size of the air inlet area is at least larger than half of the size of the display and control device.

10. The door assembly according to claim 7, wherein: The first light-transmitting plate is a first steel glass plate; And / or, the second light-transmitting plate is a second steel glass plate; And / or, the third light-transmitting plate is a third steel glass plate.

11. The door assembly according to any one of claims 1 to 10, characterized in that The air inlet area includes a plurality of air inlet holes, and the plurality of air inlet holes are dispersedly arranged in the air inlet area.

12. A cooking utensil, characterized in that: The cooking appliance comprises: a machine body, said machine body including a cooking cavity; The door assembly according to any one of claims 1 to 11, wherein the door assembly is pivotally connected to the machine body and is used to open or close the cooking cavity.

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