CN104633727B - Built-in microwave oven and microwave cooking system - Google Patents

Abstract

The invention discloses an embedded microwave oven, comprising: a cooking cavity; a rear plate connected to the rear of the cooking cavity; a bottom plate; an outer cover, wherein a first side wind is formed between one side of the cooking cavity and the outer cover The microwave generating device and the wind driving part are arranged in the first side air channel and the first air inlet part is formed on the rear plate; the top air channel is formed between the outer cover and the top of the cooking cavity; and the outer cover and the cooking cavity A second side air duct is formed between the other side of the body, a bottom air duct is formed between the lower surface of the cooking cavity and the bottom plate, and the second side air duct communicates with the top air duct and the bottom air duct respectively. The embedded microwave oven according to the present invention solves the problem that the surface temperature of the front panel of the embedded microwave oven rises and is prone to melting and deformation. The invention also discloses a microwave cooking system.

Description

Built-in microwave oven and microwave cooking system

technical field

The present invention relates to the technical field of household appliances, in particular to an embedded microwave oven and a microwave cooking system.

Background technique

In the prior art, microwave ovens are generally not just a single microwave heating appliance. In addition to microwave generators such as magnetrons, heat sources such as electric heating tubes are also arranged for cooking food. In order to meet the purpose of rapid heating, the electric heating tube will dissipate a large amount of heat in a short time, so the requirements for ventilation and heat dissipation of the microwave oven become higher.

Since the embedded microwave oven adopts the heat dissipation method that hot air is discharged from the gap between the upper part of the door and the outer frame, especially for a microwave oven with a grill or hot air function, the internal temperature of the cavity is high, and the door of the microwave oven is between the high-temperature front plate and the discharged air. Under the dual action of hot air, the problems of super high surface temperature rise and melting deformation often occur.

Contents of the invention

The present invention aims to solve one of the above-mentioned technical problems in the prior art at least to a certain extent.

In view of this, the present invention needs to provide an embedded microwave oven with good heat dissipation performance.

Further, the present invention also provides a microwave cooking system, which has good heat dissipation capability.

According to a first aspect of the present invention, an embedded microwave oven is provided. The built-in microwave oven may include: a cooking cavity, the cooking cavity has a front panel, and an opening suitable for being opened or closed is configured on the front panel; a rear panel is connected to the cooking cavity; the rear part of the cavity; the base plate, which is arranged below the cooking cavity and is respectively connected to the front panel and the rear plate, and an exhaust port is formed on the base plate; the outer cover, the outer cover respectively The two ends of the bottom plate, the front panel and the outer periphery of the rear plate are connected, wherein a first side air channel is formed between one side of the cooking cavity and the outer cover, and the microwave generating device and the wind driving part A first air inlet part is arranged in the first side air channel of the rear plate and is formed on a part corresponding to the first side air channel; between the outer cover and the top of the cooking cavity A top air duct is formed, the top air duct communicates with the first side air duct and a first air outlet is formed on the part of the rear panel forming the top air duct; and the outer cover and the cooking A second side air channel is formed between the other side of the cavity, a bottom air channel is formed between the lower surface of the cooking cavity and the bottom plate, and the second side air channel is connected to the top air channel respectively. It communicates with the bottom air duct.

According to the embedded microwave oven of the embodiment of the present invention, through the design of the air duct between the cooking cavity and the outer cover, the cold air can be driven by the wind driving component and then cool the heat-generating devices such as the microwave generator along the air duct, and then flow from the top air duct and It is exhausted through the bottom air duct and fully cools the front panel, thereby improving the heat dissipation efficiency of the outer periphery of the embedded microwave oven, making the surface temperature of the embedded microwave oven such as the front panel lower, and reducing the possibility of deformation during cooking.

In addition, the embedded microwave oven according to the above-mentioned embodiments of the present invention may also have the following additional technical features:

According to an embodiment of the present invention, the wind driving component is arranged between the first air inlet portion and the microwave generating device.

According to an embodiment of the present invention, the built-in microwave oven further includes: a lower air guide cover, the lower air guide cover is arranged under the cooking cavity and its top and front side are open, wherein the lower air guide The bottom surface of the windshield is vertically spaced from the bottom surface of the bottom plate by a predetermined distance.

According to an embodiment of the present invention, the built-in microwave oven further includes: a support part connected between the lower surface of the bottom plate and the bottom surface of the lower air guide cover.

According to an embodiment of the present invention, electronic control components are further arranged in the first side air duct, and the electronic control components include: a control box, the control box is located on the front panel forming the first side air duct; A transformer, the transformer is located on the bottom plate forming the first side air duct and arranged under the microwave generating device.

According to an embodiment of the present invention, a second air inlet part communicating with the interior of the cooking cavity is formed on one side of the cooking cavity, and the second air inlet part is located in the control box on the side wall of the cooking cavity between the microwave generator and the microwave generator.

According to an embodiment of the present invention, a second air outlet part is formed on the other side of the cooking cavity, and a heat insulation board is arranged on the second air outlet part, and the heat insulation board is configured to The air exiting from the second air outlet is guided to the top air duct.

According to an embodiment of the present invention, the exhaust port includes a central exhaust port formed at the center of the bottom plate.

According to an embodiment of the present invention, the air outlet further includes: a first air outlet formed on a portion of the bottom plate adjacent to the second side air channel; and A second exhaust port and a third exhaust port are formed in a front-rear direction of the central exhaust port.

According to an embodiment of the present invention, a first air induction hood is provided on the first exhaust port, and the opening of the first air induction hood faces the second side air channel; and the second exhaust port and the The third air outlet is respectively provided with a second air induction hood and a third air induction hood, and the second air induction hood and the third air induction hood respectively open toward the first side air duct.

According to an embodiment of the present invention, the built-in microwave oven further includes: a vertical windshield, the vertical windshield is arranged on the rear plate along the vertical direction and is opposite to the first air inlet portion adjacent.

According to an embodiment of the present invention, the built-in microwave oven further includes: an upper baffle, the upper baffle is arranged at the edge of the air inlet side of the top air duct, and one end of the upper baffle is connected to the rear A plate for separating the top air duct from a portion of the first side air duct.

According to an embodiment of the present invention, the built-in microwave oven further includes: a lower baffle, the lower baffle is arranged between the bottom plate and the lower surface of the cooking cavity along the front-rear direction, and the lower baffle One end of the baffle is connected to the front panel for at least partially separating the first side air duct from the bottom air duct.

According to an embodiment of the present invention, the first side air channel communicates with at least a part of the bottom air channel; and the exhaust port further includes a fourth exhaust port, the fourth exhaust port is located at the The bottom plate of the at least a portion of the bottom air duct.

According to an embodiment of the present invention, the built-in microwave oven further includes: a door assembly, the door assembly includes: a door body part, the door body part is suitable for opening and closing the opening part; a frame body part, the frame The body part is at least partially fixed on the edge of the opening and sleeved on the door body part.

According to a second aspect of the present invention, a microwave cooking system is provided, which may include: the above-mentioned built-in microwave oven; and a cabinet, the cabinet has a compartment for installing the built-in microwave oven, and a The cabinet air channel at the rear side of the partition and communicated with the partition.

According to the microwave cooking system of the embodiment of the present invention, through the embedded microwave oven with the above structure, the heat dissipation efficiency of the outer periphery of the embedded microwave oven can be improved as a whole, the surface temperature of the embedded microwave oven is lower, and the problem of the embedded microwave oven is solved. The surface temperature of the panel rises, which is prone to melting and deformation.

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

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a three-dimensional schematic diagram of a built-in microwave oven according to an embodiment of the present invention, wherein the outer cover of the built-in microwave oven is removed;

Fig. 2 is a schematic perspective view of another angle of the embedded microwave oven according to an embodiment of the present invention, wherein the outer cover and the lower air guide cover of the embedded microwave oven are removed;

FIG. 3 is a schematic perspective view of another angle of the embedded microwave oven according to an embodiment of the present invention, wherein the outer cover of the embedded microwave oven is removed;

FIG. 4 is an exploded perspective view of an embedded microwave oven according to an embodiment of the present invention, wherein the outer cover of the embedded microwave oven is removed;

Fig. 5 is a partial perspective view of an embedded microwave oven according to an embodiment of the present invention, which shows the connection relationship between the bottom plate of the embedded microwave oven and the lower air guide cover;

Fig. 6 is a three-dimensional structural schematic view of the lower air guide cover of the embedded microwave oven according to an embodiment of the present invention;

Fig. 7 is a perspective view of an embedded microwave oven according to an embodiment of the present invention;

Figure 8 is a front view of a microwave cooking system according to one embodiment of the present invention; and

9 is a cross-sectional view of a microwave cooking system according to one embodiment of the present invention.

Reference signs:

Embedded microwave oven 100; cooking cavity 10; first side air duct 11; top air duct 12; second side air duct 13; microwave generator 14; wind driving part 15; control box 16; transformer 17; upper baffle 18 ; vertical windshield 19; second air inlet 21; second air outlet 22; lower wind guide hood 60; accommodation 61; front opening 62; bottom air duct 110; lower baffle 111;

Front panel 20; rear panel 30; first air inlet 31; first air outlet 32; bottom plate 40; central air outlet 41; first air outlet 42; 43; the second air induction cover 431; the third exhaust port 44; the third air induction cover 441; the fourth exhaust port 45; the fourth air induction cover 451; outer cover 50; Part 101; door part 102; frame part 103; cabinet 200; compartment 201; cabinet air duct 202.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "under" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

The embedded microwave oven 100 according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings. 1 is a schematic diagram of a rear perspective structure of an embedded microwave oven according to an embodiment of the present invention, and FIG. 2 is a schematic perspective diagram of a front perspective of an embedded microwave oven 100 according to an embodiment of the present invention.

As shown in FIGS. 1-2 and 7 , the built-in microwave oven 100 may include: a cooking cavity 10 , a rear plate 30 , a bottom plate 40 and an outer cover 50 .

Specifically, the cooking cavity 10 has a front panel 20, and an opening (not shown) suitable for being opened or closed is configured on the front panel 20 . As shown in FIG. 1 , the rear plate 30 is connected to the rear of the cooking cavity 10 . The bottom plate 40 is disposed under the cooking cavity 10 and connected to the front panel 20 and the rear plate 30 respectively, and an exhaust port may be formed on the bottom plate 40 , as shown in FIG. 5 . The outer cover 50 is respectively connected with the two sides of the bottom plate 40 of the cooking chamber 10 and the outer peripheries of the front panel 20 and the rear panel 30 . It should be noted that in the following description, the embedded microwave oven 100 according to the embodiment of the present invention will be described in specific orientations (such as up, down, left, right, front, back, etc.), but it should be noted that , this can not be used to limit the scope of protection of the present invention, for example following microwave generating device 14, wind driving part 15 both can be arranged in the air channel on the left side of cooking cavity 10, also can be arranged in the air channel on the right side, The following is only for the purpose of illustration, not to limit the protection scope of the present invention.

As shown in Figure 1, the first side air channel 11 is formed between the right side of the cooking cavity 10 and the outer cover 50, the microwave generating device 14 and the wind driving part 15 are arranged in the first side air channel 11 and the rear plate 30 1. A first air inlet portion 31 is formed on a portion corresponding to the first side air duct 11 , and the wind driving component 15 is disposed between the first air inlet portion 31 and the microwave generating device 14 . Therefore, the cool air introduced from the first air inlet portion 31 can effectively cool the adjacent microwave generating device 14 after being driven by the wind driving component 15 .

As shown in Figure 1, a top air duct 12 is formed between the top of the outer cover 50 and the cooking cavity 10, the top air duct 12 communicates with the first side air duct 11 and the part of the rear plate 30 forming the top air duct 12 is formed with The first air outlet part 32 . According to an embodiment of the present invention, the wind driving part 15 may be a fan.

As shown in FIG. 2 , a second side air duct 13 is formed between the outer cover 50 and the left side of the cooking cavity 10 . A bottom air duct 110 is formed between the lower surface of the cooking cavity 10 and the bottom plate 40 , and the second side air duct 13 communicates with the top air duct 12 and the bottom air duct 110 respectively.

According to the embedded microwave oven 100 of the embodiment of the present invention, through the design of the air passage between the cooking cavity 10 and the outer cover 50, the cold air can be driven by the wind driving part 15 and then cool the heating devices such as the microwave generating device 14 along the air passage. , and then discharged from the top air channel 12 and via the bottom air channel 110, and fully cool the front panel 20, thereby improving the heat dissipation efficiency of the outer periphery of the embedded microwave oven 100, making the surface temperature of the embedded microwave oven such as the front panel 20 lower, reducing its Possibility of deformation during cooking.

As shown in FIGS. 1 and 2 , according to an embodiment of the invention, an electronic control component is further arranged in the first side air duct 11 , and the electronic control component may include a control box 16 and a transformer 17 . The control box 16 is located on the front panel forming the first side air duct 11 . The transformer 17 is located on the bottom plate 40 forming the first side air duct 11 and is disposed under the microwave generating device 14 . Therefore, the arrangement of the electronic control components enables the wind blown from the wind driving component 15 to be well ventilated and form an air path. The cooled air continues to enter the top air channel 12 .

As shown in Figures 1 and 2, the upper baffle 18 is arranged at the edge of the air inlet side of the top air duct 12, and one end of the upper baffle 18 is connected to the rear plate 30 for the top air duct 12 and the first Part of the side air duct 11 is separated. Thus, the air after cooling the electronic control components will enter the top air duct 12 from the side away from the rear panel 30, and play the role of collecting wind, so that the front panel 20 can be continuously cooled, thereby reducing the temperature of the front panel 20. Possibility of deformation during cooking.

In addition, as shown in FIG. 1 , the vertical windshield 19 is vertically disposed on the rear plate 30 and located between the first air inlet portion 31 and the first air outlet portion 32 . In this way, the air leaving from the first air outlet portion 32 can be separated from the air entering from the first air inlet portion 31 , so as to avoid crosstalk between the air inlet and the air outlet.

As shown in Fig. 1, according to one embodiment of the present invention, a second air inlet 21 communicating with the inside of the cooking cavity 10 is formed on the right side of the cooking cavity 10, and the second air inlet 21 is located at the control On the side wall of the cooking cavity 10 between the box 16 and the microwave generating device 14. Therefore, part of the air can enter the inside of the cooking cavity 10 . As shown in Fig. 3, the left side of cooking cavity 10 is formed with the second air outlet 22, and the second air outlet 22 is covered with a heat insulation board 90, and the heat insulation board 90 is configured to The air leaving the wind section 22 is guided to the top air duct 12 . As shown in FIG. 4 , the hot air in the cooking cavity 10 is led out from the second air outlet portion 22 , and then guided to the top air duct 12 by the heat insulation board 90 , and then discharged out of the embedded microwave oven 100 . The heat insulation plate 90 can be configured as a plate covering the second air outlet portion 22 , and is circumferentially fixed to the side wall of the cooking cavity 10 , with an open upper end. A guide ear 91 is formed on the top of the heat insulation board 90 , and the guide ear 91 is bent toward the top air duct 12 to guide the wind drawn from the second air outlet portion 22 to the top air duct 12 . The second air outlet 22 is arranged close to the rear panel 30 to guide the hot air heated by cooking to the top air duct 12 as quickly as possible.

As shown in FIG. 2 , the second side air duct 13 communicates with the top air duct 12 and the bottom air duct 110 respectively, so that the heat-exchanged air transported along the air duct between the outer cover 50 and the cooking cavity can be transferred. The air moves into the bottom air channel 110 through the second side air channel 13 and is discharged through the air outlet formed thereon.

The ventilation structure on the bottom plate 40 will be described in detail below with reference to FIG. 5 . As shown in FIG. 5 , the exhaust ports include a central exhaust port 41 formed in the center of the bottom plate 40 . As shown in FIG. 5 , in order to enhance the exhaust effect, the exhaust port further includes: a first exhaust port 42 , a second exhaust port 43 , and a third exhaust port 44 . The first air outlet 42 is formed on the portion of the bottom plate 40 adjacent to the second side air duct 13 to enhance the air exhaust effect. The second exhaust port 43 and the third exhaust port 44 are formed in the front-rear direction of the central exhaust port 41 . As shown in FIG. 5 , a first air induction cover 421 is disposed on the first exhaust port 42 , and the opening of the first air induction cover 421 faces the second side air duct 13 . The second air outlet 43 and the third air outlet 44 are respectively provided with a second air introduction cover 431 and a third air introduction cover 441, and the second air introduction cover 431 and the third air introduction cover 441 respectively open toward the first side Duct 11. Thus, through the arrangement of the first air induction cover 421 , the second air induction cover 431 and the third air induction cover 441 , the air entering the bottom air channel 110 can be drawn out of the embedded microwave oven 100 more quickly and smoothly. As shown in FIG. 5 , the built-in microwave oven 100 further includes a support portion 101 for supporting the cooking cavity 10 . As shown in FIG. 4 , the support portion 101 is connected between the lower surface of the bottom plate 40 and the bottom surface of the lower wind deflector 60 .

As shown in FIG. 3 , the lower wind deflector 60 is disposed under the cooking cavity 10 and its top and front side are open, and the supporting part 101 is supported on the lower wind deflector 60 through the top opening. According to an embodiment of the present invention, a receiving portion 61 corresponding to the supporting portion 101 may be formed on the bottom surface of the lower wind deflector 60 .

As shown in FIG. 5 , according to an embodiment of the present invention, the built-in microwave oven 100 may further include a lower baffle 111 . The lower baffle 111 is arranged between the bottom plate 40 and the lower surface of the cooking cavity 10 along the front-rear direction of the embedded microwave oven 100 and one end of the lower baffle 111 is connected to the front panel 20 for connecting the first side air duct 11 and the The bottom air ducts 110 are at least partially partitioned.

According to an embodiment of the present invention, at least a part of the first side air duct 11 and the bottom air duct 110 may communicate with each other. The air outlet further includes a fourth air outlet 45, and the fourth air outlet 45 is located on the bottom plate 40 forming at least a part of the bottom air duct 110, so that the air driven by the wind driving part 15 cools the transformer 17 and other electronic control components. It can be connected to the bottom air duct 110 and discharged through the fourth exhaust port 45. The fourth exhaust port 45 is respectively provided with a fourth air induction cover 451, and the opening of the fourth air induction cover 451 faces the first side air channel 11, such as As shown in FIGS. 1 and 5 , in this way, the air coming out of the first side air duct 11 can be induced by the fourth air-introduction cover 451 to be discharged faster.

As shown in FIGS. 8 and 9 , the embedded microwave oven 100 may further include a door assembly, and the door assembly includes a door body part 102 and a frame body part 103 . The door body portion 102 is adapted to open and close the opening portion. The frame portion 103 is at least partially fixed on the edge of the opening and sleeved on the door portion 102 , wherein the frame portion 103 is configured to block the front opening 62 of the lower wind deflector 60 . Since there is a gap between the door body part 102 and the frame body part 103, and there is a gap between the frame body part 103 and the lower air guide cover 60, air can pass through these gaps and be discharged from the front side of the embedded microwave oven.

The air path of the built-in microwave oven 100 according to the embodiment of the present invention will be described below with reference to FIGS. 1-5 , where the direction of the arrow is the flow direction of the air.

As shown in FIG. 1 , the cold wind enters from the first air inlet 31 , and after being driven by the wind driving part 15 , air-cools the microwave generator 14 , the transformer 17 and the control box 16 positioned under the microwave generator 14 . At this time, due to the upper baffle 18, a part of the air enters the top air duct 12 from the side close to the front panel 20, so that the front panel 20 can be strongly cooled to prevent the device from being deformed by heat. The air exits from the rear of the built-in microwave oven 100 through the first air outlet portion 32 . Then, a part of the air then flows along the top air duct 12 toward the second side air duct 13, and is discharged into the lower wind guide 60 through the exhaust port 42, so that the air can pass through the frame part 103 and the lower wind guide. 60 and the gap between the door body portion 102 and the frame body portion 103 is discharged from the front side. In addition, as shown in Figure 1, another part of air is driven by the wind driving part 15 and flows along from right to left after cooling the transformer 17, as shown by arrow 112, and enters the bottom air duct 110, and then passes through the fourth row The air port 45 is discharged into the lower wind guide 60 .

As shown in Figure 1, a part of air enters the inside of the cooking cavity 10 from the second air inlet 21, and then the air entrained with the moisture in the cooked food will gather upwards in the cooking cavity 10 due to being heated (as shown in FIG. 3 and 4), and is drawn out from the second air outlet 22, then the air is guided to the top air duct 12 by the guide ear 91 of the heat shield 90, and is discharged from the rear of the embedded microwave oven 100 . Part of the air in the cooking cavity 10 is also discharged into the lower air guide 60 from the central air outlet 41 and the air outlets 42-44, and passes through the gap between the frame part 103 and the lower air guide 60 and the door body The gap between the part 102 and the frame part 103 is discharged from the front side.

Through the above-mentioned air duct structure, the heat dissipation efficiency of the outer periphery of the embedded microwave oven 100 can be significantly improved, and the surface temperature of the embedded microwave oven 100 is lowered, which solves the problem that the surface temperature of the front panel 20 of the embedded microwave oven 100 rises and is prone to melting deformation. question.

In addition, in order to ensure maximum utilization of the heat inside the embedded microwave oven 100, the cooking cavity 10 of the embedded microwave oven 100 is designed to be relatively closed through the embodiment of the present invention, and the heat exchange effect is enhanced by using the air duct design. Through experiments, it is found that in the present invention, at the same central temperature of 220°C, the closed cavity design is relatively open, the working time of the heating pipe is shortened by 3.2s, the working time of the heating pipe is shortened, and the cold air The heating time inside the cavity is short, so that the total amount of heat acting on the surface of the microwave oven is also reduced, and the temperature drops significantly, thereby better utilizing energy.

As shown in FIG. 8 , an embedded microwave oven system according to an embodiment of the present invention may include: the embedded microwave oven 100 of the above-mentioned embodiment; and a cabinet 200 . For the structure of the built-in microwave oven 100, refer to the above, and no detailed description will be given here. The cabinet 200 has a compartment 201 for installing the built-in microwave oven 100 and a cabinet air duct 202 arranged behind the compartment 201 and communicating with the compartment 201 .

According to the embedded microwave oven system of the embodiment of the present invention, by setting the air duct on the embedded microwave oven, the embedded microwave oven 100 according to the embodiment of the present invention, through the design of the air duct between the cooking cavity 10 and the outer cover 50, cooling The air can be exhausted from the rear and front of the embedded microwave oven 100 respectively through these air ducts, which not only improves the heat dissipation efficiency of the outer periphery of the embedded microwave oven 100, makes the surface temperature of the embedded microwave oven 100 lower, but also solves the problem of embedded microwave oven 100. The surface temperature of the front panel 20 of the microwave oven 100 rises, which is prone to melting and deformation.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (17)

1. An embedded microwave oven, characterized in that, comprising: a cooking cavity, the cooking cavity has a front panel, and the front panel is configured with an opening suitable for being opened or closed; a rear plate connected to the rear of the cooking cavity; a bottom plate, the bottom plate is arranged below the cooking cavity and connected to the front panel and the rear plate respectively, and an exhaust port is formed on the bottom plate; an outer cover, the outer cover is respectively connected with the two sides of the bottom plate, the outer periphery of the front panel and the rear panel, wherein A first side air channel is formed between one side of the cooking cavity and the outer cover, the microwave generating device and the wind driving component are arranged in the first side air channel, and the rear plate and the first side air channel A first air inlet part is formed on the part corresponding to the channel; A top air duct is formed between the outer cover and the top of the cooking cavity, the top air duct communicates with the first side air duct, and a second side air duct is formed on the part of the rear panel forming the top air duct. an air outlet; and A second side air channel is formed between the outer cover and the other side of the cooking cavity, a bottom air channel is formed between the lower surface of the cooking cavity and the bottom plate, and the second side air channel communicate with the top air duct and the bottom air duct respectively. 2. The embedded microwave oven according to claim 1, further comprising: The lower wind guide cover, the lower wind guide cover is arranged on the bottom of the cooking cavity and its top and front side openings, wherein A bottom surface of the lower air guide hood is vertically spaced from a lower surface of the bottom plate by a predetermined distance. 3 . The embedded microwave oven according to claim 2 , further comprising: a support portion connected between the lower surface of the bottom plate and the bottom surface of the lower air guide cover. 4 . 4. The embedded microwave oven according to claim 1, wherein an electronic control component is further arranged in the first side air duct, and the electronic control component includes: a control box, the control box is located on the front panel forming the first side air duct; A transformer, the transformer is located on the bottom plate forming the first side air duct and arranged under the microwave generating device. 5. The built-in microwave oven according to claim 4, characterized in that, a second air inlet communicating with the inside of the cooking cavity is formed on one side of the cooking cavity, and the first The second air inlet is located on the side wall of the cooking cavity between the control box and the microwave generating device. 6. The built-in microwave oven according to claim 5, wherein a second air outlet is formed on the other side of the cooking cavity, and the second air outlet is covered with a heat insulating The heat insulation board is configured to guide the air exiting from the second air outlet part to the top air duct. 7. The built-in microwave oven according to claim 1, wherein the exhaust port comprises a central exhaust port formed at the center of the bottom plate. 8. The embedded microwave oven according to claim 7, characterized in that the exhaust port further comprises: a first air outlet formed on a portion of the bottom plate adjacent to the second side air channel; and A second exhaust port and a third exhaust port are formed in a front-rear direction of the central exhaust port. 9. The embedded microwave oven according to claim 8, wherein a first air induction hood is provided on the first exhaust port, and the opening of the first air induction hood faces the second side air duct; and The second air outlet and the third air outlet are respectively provided with a second air induction hood and a third air induction hood, and the second air induction hood and the third air induction hood respectively open toward the First side air duct. 10. The embedded microwave oven according to claim 1, further comprising: a vertical windshield, the vertical windshield is arranged on the rear plate along the vertical direction and is located on the second Between an air inlet part and the first air outlet part. 11. The embedded microwave oven according to claim 1, further comprising: an upper baffle, the upper baffle is arranged at the edge of the air inlet side of the top air duct, and the upper baffle One end is connected to the rear panel for separating the top air channel from a part of the first side air channel. 12. The built-in microwave oven according to claim 1, further comprising: a lower baffle, the lower baffle is arranged between the bottom plate and the lower surface of the cooking cavity along the front-rear direction and One end of the lower baffle is connected to the front panel for at least partially separating the first side air duct from the bottom air duct. 13. The embedded microwave oven according to claim 12, wherein the first side air duct communicates with at least a part of the bottom air duct; and The air outlet further includes a fourth air outlet located on the floor forming the at least a portion of the bottom air duct. 14 . The built-in microwave oven according to claim 13 , wherein fourth air-introduction hoods are respectively arranged on the fourth air outlets, and the openings of the fourth air-induction hoods face the first side air duct. 15 . 15. The built-in microwave oven according to claim 2, further comprising: a door assembly, said door assembly comprising: a door body adapted to open and close the opening; a frame body portion, the frame body portion is at least partially fixed on the edge of the opening portion and sleeved on the door body portion, wherein the frame body portion is configured to block the front side of the lower wind deflector Open your mouth. 16. The embedded microwave oven according to claim 1, wherein the wind driving component is disposed between the first air inlet portion and the microwave generating device. 17. A microwave cooking system, comprising: A built-in microwave oven according to any one of claims 1-16; and A cabinet, the cabinet has a compartment for installing the built-in microwave oven, and a cabinet air duct arranged at the rear side of the compartment and communicated with the compartment.