CN110881869A

CN110881869A - Steaming and baking oven

Info

Publication number: CN110881869A
Application number: CN201911225238.3A
Authority: CN
Inventors: 骆玉叶; 于博; 张健; 赵万东
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-03-17

Abstract

The invention provides a steaming oven, comprising: the box body comprises an inner container arranged in the box body; and the heat insulation layer is wrapped on the outer side of the inner container and is positioned between the inner container and the box body. The thermal-insulating layer reduces the efficiency of the inner container for conducting heat to the box body, on one hand, the heat loss of cooking work in the inner container is reduced, on the other hand, the rising degree of the temperature of the box body is reduced, and therefore the temperature of the working environment of the electrical appliance assembly is reduced. The heat insulation performance of the steaming oven is improved, the electric appliance components are protected, and the requirement on the heat dissipation performance of the heat dissipation component is correspondingly lowered under the condition that the heat dissipation amount is reduced, so that the cost of the heat dissipation component is reduced.

Description

Steaming and baking oven

Technical Field

The invention relates to the technical field of kitchen equipment, in particular to a steaming oven.

Background

With the improvement of living standard of people, the steam oven starts to enter a household kitchen. The steam oven is as a utensil of culinary art food, and the inside heating environment of a high temperature that needs to build of the inner bag of oven, and the inner bag can be higher than the shell of oven with heat transfer, consequently, oven temperature itself can be higher than ambient temperature to take place the heat transfer with ambient environment, outside heat dissipation. The inside of the cavity can reach the proper cooking temperature by consuming more electric energy, so that the conventional electric oven products adopt certain heat insulation measures to reduce heat loss. And the electric components of the oven are mounted on the outer shell, usually corresponding to the back of the oven body. Therefore, the inner container radiates heat outwards, and the work of the electrical appliance assembly is also influenced.

In addition, the steam ovens currently on the market are generally placed in cabinets, and therefore, higher requirements are put on the heat insulation performance and the heat dissipation performance of the box body.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect of poor heat insulation performance of the box body in the prior art, and provide a steaming oven.

A steaming oven, comprising:

the box body comprises an inner container arranged in the box body;

and the heat insulation layer is wrapped on the outer side of the inner container and is positioned between the inner container and the box body.

2. Further comprising:

the first heat dissipation channel is arranged between the box body and the heat insulation layer, and the electrical component mounted on the box body is located in the heat dissipation channel.

3. Further comprising:

and the heat radiation fan is arranged on the box body, the input end of the heat radiation fan is communicated with the first heat radiation channel, and the output end of the heat radiation fan faces the outside of the box body.

4. The box body is provided with a first heat dissipation hole, and the first heat dissipation hole is communicated with the first heat dissipation channel.

5. The first heat dissipation holes are opposite to the electrical component in distributed arrangement.

6. The first heat dissipation channel extends to the upper portion of the inner container, and one end, far away from the electrical component, of the first heat dissipation channel penetrates through the box body to form a first matching hole in the box body.

7. Further comprising:

the door body is arranged corresponding to the opening end of the inner container, a second heat dissipation channel is arranged in the door body, and the second heat dissipation channel is communicated with the first heat dissipation channel.

8. The second heat dissipation channel penetrates through the door body, a second matching hole is formed in the door body, and the second matching hole is communicated with the first matching hole.

9. The door body includes:

the base plate comprises a sealing gasket arranged on the base plate, the sealing gasket is annular, and the sealing gasket and the base plate enclose a sealing area for sealing the opening end of the inner container.

10. The first matching hole is located on one side, facing the door body, of the box body, and the first matching hole is located above the heat insulation layer.

11. The second matching hole is positioned at the top end of the substrate.

12. The end faces of the first matching hole and the second matching hole are provided with mutually matched bosses and/or clamping grooves, and the first matching hole and the second matching hole are respectively arranged in the bosses and the clamping grooves.

13. The thermal insulation layer at least comprises:

the second heat insulation layer is positioned between the outer wall of the inner container and the first heat insulation layer, and is vacuum or filler with gas or liquid;

and the supporting piece is supported between the first heat-preservation layer and the inner container.

14. Further comprising:

and the third heat-insulating layer is attached to and wrapped on the outer wall of the inner container.

15. The first heat-insulating layer and the third heat-insulating layer are made of heat-insulating fibers.

The technical scheme of the invention has the following advantages:

1. the invention provides a steaming oven, comprising: the box body comprises an inner container arranged in the box body; and the heat insulation layer is wrapped on the outer side of the inner container and is positioned between the inner container and the box body.

The thermal-insulating layer reduces the efficiency of the inner container for conducting heat to the box body, on one hand, the heat loss of cooking work in the inner container is reduced, on the other hand, the rising degree of the temperature of the box body is reduced, and therefore the temperature of the working environment of the electrical appliance assembly is reduced. The heat insulation performance of the steaming oven is improved, the electric appliance components are protected, and the requirement on the heat dissipation performance of the heat dissipation component is correspondingly lowered under the condition that the heat dissipation amount is reduced, so that the cost of the heat dissipation component is reduced.

2. The steaming oven provided by the invention also comprises: the first heat dissipation channel is arranged between the box body and the heat insulation layer, and the electrical component mounted on the box body is located in the heat dissipation channel.

The heat dissipation channel further improves the heat dissipation performance of the electrical component, the electrical component generates heat when in work, the temperature of the working environment of the electrical component is reduced on the premise that the heat insulation layer blocks the heat, the heat dissipation channel provides a movement path for the airflow to pass through the electrical component, the heat of the working environment of the electrical component can be further taken away by the flowing airflow, and the effect of protecting the electrical component is further achieved.

3. The steaming oven provided by the invention also comprises: and the heat radiation fan is arranged on the box body, the input end of the heat radiation fan is communicated with the first heat radiation channel, and the output end of the heat radiation fan faces the outside of the box body.

The heat dissipation fan provides power for the air flow in the heat dissipation channel, so that the heat dissipation efficiency of the heat dissipation channel is improved. Even if the steaming and baking box is installed in a relatively narrow space, the air flow of the surrounding environment can be driven by the heat dissipation fan to flow so as to effectively dissipate heat.

4. According to the steaming and baking oven provided by the invention, the box body is provided with the first heat dissipation hole, and the first heat dissipation hole is communicated with the first heat dissipation channel.

The first heat dissipation hole provides an inlet for the airflow in the external environment of the steaming oven to enter the heat dissipation channel, so that the heat dissipation channel can efficiently exchange heat with the surrounding environment, and the heat around the electric appliance component can be taken away more efficiently.

5. According to the steaming and baking oven provided by the invention, the first heat dissipation holes are distributed over against the electrical component.

The first heat dissipation hole is used for allowing outside air to enter the box body, when the first heat dissipation hole is just opposite to the distribution of the electrical component, the first heat dissipation hole is driven by negative pressure of the heat dissipation fan, the outside air directly impacts the electrical component, and therefore the air with lower outside temperature is more fully contacted with the electrical component, and the heat dissipation effect of the electrical component is improved.

6. According to the steaming and baking oven provided by the invention, the first heat dissipation channel extends to the upper part of the inner container, and one end of the first heat dissipation channel, which is far away from the electric appliance component, penetrates through the oven body to form a first matching hole on the oven body.

The first mating hole site heat dissipation channel provides another air inlet, which reduces the average temperature inside the heat dissipation channel, thereby improving the heat dissipation efficiency of the heat dissipation channel.

7. The steaming oven provided by the invention also comprises: the door body is arranged corresponding to the opening end of the inner container, a second heat dissipation channel is arranged in the door body, and the second heat dissipation channel is communicated with the first heat dissipation channel.

Because the heat-insulating layer wraps up the outer wall of the inner container, the door body part which is just opposite to the opening of the inner container is not provided with the heat-insulating layer. In this scheme, the second heat dissipation channel is located the door body to with first heat dissipation channel intercommunication, make the door body improve self heat dispersion through second heat dissipation channel, prevent that the high temperature of the door body from influencing user experience.

8. According to the steam oven provided by the invention, the second heat dissipation channel penetrates through the door body, a second matching hole is formed in the door body, and the second matching hole is communicated with the first matching hole.

The first heat dissipation channel is communicated with the second heat dissipation channel through the first matching hole and the second matching hole.

9. The invention provides a steaming oven, wherein the door body comprises: the base plate comprises a sealing gasket arranged on the base plate, the sealing gasket is annular, and the sealing gasket and the base plate enclose a sealing area for sealing the opening end of the inner container.

The sealing gasket encloses a relatively closed area in the range of the door body, and separates the opening of the inner container from the first heat dissipation channel and the second heat dissipation channel, so that the sealing performance of the inner container during working is improved.

10. According to the steaming and baking oven provided by the invention, the first matching hole is positioned on one side of the oven body facing the door body, and the first matching hole is positioned above the heat insulation layer.

The first matching hole plays a role in heat dissipation, the heat insulation layer plays a role in heat preservation and heat insulation, and the first matching hole is located above the heat insulation layer, so that the heat preservation and heat insulation ranges of the first heat dissipation channel and the heat insulation layer are separated from each other and do not interfere with each other.

11. According to the steaming and baking oven provided by the invention, the second matching hole is positioned at the top end of the base plate.

The second matching hole is located the base plate top, is closer to first matching hole, more conveniently is connected with first matching hole, makes first heat dissipation channel and second heat dissipation channel realize intercommunication each other.

12. According to the steam oven provided by the invention, the end faces where the first matching hole and the second matching hole are located are provided with the mutually matched boss and/or clamping groove, and the first matching hole and the second matching hole are respectively arranged in the boss and the clamping groove.

The boss and the clamping groove are mutually matched, so that the first matching hole and the second matching hole are conveniently positioned when being connected, the boss and the clamping groove are mutually clamped, and the sealing degree of the first matching hole and the second matching hole is improved when being connected.

13. The invention provides a steaming oven, wherein the heat insulation layer at least comprises: the second heat insulation layer is positioned between the outer wall of the inner container and the first heat insulation layer, and is vacuum or filler with gas or liquid; and the supporting piece is supported between the first heat-preservation layer and the inner container.

The first heat-insulating layer and the second heat-insulating layer are jointly wrapped on the outer wall of the inner container. First heat preservation is the heat preservation fibre, and when the second heat preservation was the air, the two took place the intercombination, and in the first heat preservation that the heat preservation fibre constitutes, also there was more space, formed a plurality of air chambers to further strengthen the heat-insulating heat retaining effect of whole insulating layer.

14. The steaming oven provided by the invention also comprises: and the third heat-insulating layer is attached to and wrapped on the outer wall of the inner container.

The second heat preservation layer is located between the first heat preservation layer and the third heat preservation layer, and the heat insulation effect of the whole heat insulation layer is further improved.

15. According to the steaming and baking oven provided by the invention, the first heat-insulating layer and the third heat-insulating layer are made of heat-insulating fibers.

First heat preservation, third heat preservation constitute by the heat preservation fibre, and the second heat preservation chooses for use the air packing this moment, and the air forms more spaces and cavities in first heat preservation, third heat preservation, has further improved the thermal-insulated heat preservation effect of insulating layer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the steaming and baking oven with the door removed;

FIG. 2 is a schematic view of the door body structure of the present invention;

FIG. 3 is a sectional view taken along the line A-A in FIG. 1 showing the structure of the thermal insulation layer;

FIG. 4 is a schematic view of the first heat dissipation channel and the second heat dissipation channel of FIG. 1 cut along the direction B-B;

fig. 5 is a schematic view of another embodiment of the thermal insulation layer of the present invention.

Description of reference numerals:

1. a box body; 11. an inner container; 12. a heat radiation fan; 13. a first heat dissipation hole; 14. an electrical component; 15. a boss; 2. a thermal insulation layer; 21. a first insulating layer; 22. a second insulating layer; 23. a third insulating layer; 24. a support member; 3. a first heat dissipation channel; 31. a first mating hole; 32. a second heat dissipation channel; 33. a second mating hole; 4. a door body; 41. a substrate; 42. a gasket; 43. a second heat dissipation hole; 44. a clamping groove.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The steaming oven provided by the present embodiment, as shown in fig. 1 and fig. 3, includes: the box body 1 comprises an inner container 11 arranged in the box body 1; and the heat insulation layer 2 is wrapped on the outer side of the inner container 11 and is positioned between the inner container 11 and the box body 1. The heat insulating layer 2 reduces the heat conduction efficiency of the inner container 11 to the box body 1, on one hand, the heat loss of cooking work in the inner container 11 is reduced, on the other hand, the temperature rise degree of the box body 1 is reduced, and therefore the temperature of the working environment of the electrical appliance assembly 14 is reduced. The heat insulation performance of the steaming oven is improved, the electric appliance assembly 14 is protected, and the heat radiation performance requirement of the heat radiation assembly is correspondingly lowered under the condition that the heat radiation quantity is reduced, so that the cost of the heat radiation assembly is reduced.

The arrangement mode of the heat insulation layer 2 is not particularly limited, and in this embodiment, the heat insulation layer 2 completely wraps the remaining five surfaces of the rectangular inner container 11 except the opening end. As an alternative embodiment, the effect of reducing the temperature of the enclosure 1 can be achieved even if the insulating layer 2 is provided on only one inner wall.

The heat dissipation structure of the box 1 is not specifically limited, and in this embodiment, the heat dissipation structure further includes: the first heat dissipation channel 3 is arranged between the box body 1 and the heat insulation layer 2, and the electrical component 14 mounted on the box body 1 is positioned in the heat dissipation channel. The heat dissipation channel further improves the heat dissipation performance of the electrical component 14, the electrical component 14 generates heat when in work, the temperature of the working environment of the electrical component 14 is reduced on the premise that the heat insulation layer 2 blocks the heat, the heat dissipation channel provides a movement path for the airflow to pass through the electrical component 14, the heat of the working environment of the electrical component 14 can be further taken away by the flowing airflow, and the electrical component 14 is further protected. As an alternative embodiment, in actual installation, the electrical components are collectively installed in a box, and part of the box is exposed in the heat dissipation channel, so as to achieve the purpose of dissipating heat for the electrical components.

The arrangement position of the electrical component is not particularly limited, and in this embodiment, as shown in fig. 4, the electrical component is arranged corresponding to the back of the inner container 11, that is, arranged away from the opening end of the inner container 11. As an alternative embodiment, the electrical component 14 is arranged on the cabinet 1 away from the open end of the inner container 11.

The heat dissipation manner of the heat dissipation channel is not specifically limited, and in this embodiment, as shown in fig. 4, the method further includes: and the heat radiation fan 12 is arranged on the box body 1, the input end of the heat radiation fan is communicated with the first heat radiation channel 3, and the output end of the heat radiation fan faces the outside of the box body 1. The heat dissipation fan 12 provides power for the air flow in the heat dissipation channel, thereby improving the heat dissipation efficiency of the heat dissipation channel. Even if the steaming and baking box is installed in a relatively narrow space, the heat can be effectively dissipated by driving the air flow of the surrounding environment to flow by the heat dissipation fan 12.

The structure of the box 1 is not particularly limited, and in this embodiment, as shown in fig. 4, the box 1 is provided with a first heat dissipation hole 13, and the first heat dissipation hole 13 is communicated with the first heat dissipation channel 3. The first heat dissipation hole 13 provides an inlet for air flow in the external environment of the steaming oven to enter the heat dissipation channel, so that the heat dissipation channel can exchange heat with the surrounding environment more efficiently, and heat around the electrical component 14 can be taken away more efficiently.

The position of the first heat dissipation hole 13 is not particularly limited, and in this embodiment, as shown in fig. 4, the first heat dissipation hole 13 is disposed opposite to the electrical component 14. First louvre 13 is used for supplying in the external air gets into box 1, when first louvre 13 just distributes to electrical components 14, receives radiator fan 12 negative pressure drive, and electrical components 14 is directly strikeed to the external air to make the lower air of ambient temperature more abundant contact with electrical components 14, improve electrical components 14's radiating effect. As an alternative embodiment, the first heat dissipation hole 13 is disposed below the electrical component 14. As another alternative, the first heat dissipation hole 13 is disposed above the electrical component 14.

The structure of the first channel is not particularly limited, in this embodiment, as shown in fig. 1 and fig. 4, the first heat dissipation channel 3 extends to above the inner container 11, and one end of the first heat dissipation channel 3 away from the electrical component 14 penetrates through the box body 1 to form a first matching hole 31 on the box body 1. The first fitting hole 31 provides another air inlet to the heat dissipation channel, which reduces the average temperature inside the heat dissipation channel, thereby improving the heat dissipation efficiency of the heat dissipation channel.

The structure of the box 1 is not particularly limited, and in this embodiment, as shown in fig. 1 and fig. 2, the method further includes: the door body 4 is arranged corresponding to the opening end of the inner container 11, a second heat dissipation channel 32 is arranged in the door body 4, and the second heat dissipation channel 32 is communicated with the first heat dissipation channel 3. The heat insulation layer 2 wraps the outer wall of the inner container 11, so that the heat insulation layer 2 is not arranged at the position of the door body 4 which is arranged right opposite to the opening of the inner container 11. In this scheme, second heat dissipation channel 32 is located a body 4 to communicate with first heat dissipation channel 3, make a body 4 improve self heat dispersion through second heat dissipation channel 32, prevent that a body 4 high temperature from influencing user experience.

The connection manner of the first heat dissipation channel 3 and the second heat dissipation channel 32 is not particularly limited, in this embodiment, as shown in fig. 2, the second heat dissipation channel 32 penetrates through the door body 4, a second matching hole 33 is formed on the door body 4, and the second matching hole 33 is communicated with the first matching hole 31. The communication between the first heat dissipation channel 3 and the second heat dissipation channel 32 is achieved by the first fitting hole 31 and the second fitting hole 33. Alternatively, the first and second engagement holes 31 and 33 may communicate with each other through an external pipe.

The structure of the door 4 is not particularly limited, and in the present embodiment, as shown in fig. 2, the door 4 includes: the substrate 41 includes a sealing gasket 42 disposed on the substrate 41, the sealing gasket 42 is annular, and the sealing gasket 42 and the substrate 41 enclose a sealing area for sealing the opening end of the inner container 11. The sealing gasket 42 encloses a relatively closed area in the range of the door body 4, and separates the opening of the inner container 11 from the first heat dissipation channel 3 and the second heat dissipation channel 32, so that the sealing performance of the inner container 11 during working is improved.

The position of the first engaging hole 31 is not particularly limited, and in the present embodiment, as shown in fig. 4, the first engaging hole 31 is located on the side of the cabinet 1 facing the door 4, and the first engaging hole 31 is located above the heat insulating layer 2. The first matching hole 31 plays a role in heat dissipation, the heat insulation layer 2 plays a role in heat preservation and heat insulation, and the first matching hole 31 is located above the heat insulation layer 2, so that the heat preservation and heat insulation ranges of the first heat dissipation channel 3 and the heat insulation layer 2 are mutually separated and do not interfere with each other. As an alternative embodiment, the first fitting hole 31 is opened at the top of the case 1.

The position of the second engagement hole 33 is not particularly limited, and in the present embodiment, as shown in fig. 2 and 4, the second engagement hole 33 is located at the top end of the substrate 41. The second matching hole 33 is located at the top end of the substrate 41, is closer to the first matching hole 31, and is more convenient to be connected with the first matching hole 31, so that the first heat dissipation channel 3 and the second heat dissipation channel 32 are communicated with each other.

The connection manner of the first mating hole 31 and the second mating hole 33 is not particularly limited, in this embodiment, as shown in fig. 1 and fig. 2, a boss 15 and/or a slot 44 which are adapted to each other are disposed on end surfaces where the first mating hole 31 and the second mating hole 33 are located, and the first mating hole 31 and the second mating hole 33 are disposed in the boss 15 and the slot 44, respectively. Boss 15 and draw-in groove 44 mutual adaptation make things convenient for the location when first mating holes 31 and second mating holes 33 are connected to clamp each other between boss 15 and the draw-in groove 44, improved the sealed degree when first mating holes 31 links to each other with second mating holes 33.

The structure of the second heat dissipation channel 32 is not particularly limited, in this embodiment, as shown in fig. 4, the second heat dissipation channel 32 forms a second heat dissipation hole 43 at the bottom of the door 4, and the airflow enters the second heat dissipation channel 32 from the second heat dissipation hole 43 and is exhausted by the heat dissipation fan 12. As an alternative embodiment, the second heat radiation hole 43 is opened to the front surface of the door body 4.

The structure of the heat insulating layer 2 is not particularly limited, and in the present embodiment, as shown in fig. 5, the heat insulating layer 2 includes at least: the inner container comprises a first heat-insulating layer 21 and a second heat-insulating layer 22, wherein the second heat-insulating layer 22 is positioned between the outer wall of the inner container 11 and the first heat-insulating layer 21, and the second heat-insulating layer 22 is vacuum or filler with gas or liquid; and a support member 24 supported between the first insulating layer 21 and the inner container 11. The first heat-insulating layer 21 and the second heat-insulating layer 22 are wrapped on the outer wall of the inner container 11 together. First heat preservation 21 is the heat preservation fibre, and when second heat preservation 22 was the air, the two took place the intercombination, and in the first heat preservation 21 that the heat preservation fibre constitutes, also there was more space, formed a plurality of air chambers to further strengthen the heat-insulating heat retaining effect of whole insulating layer 2. As an alternative embodiment, as shown in fig. 3, the method further includes: and the third heat-insulating layer 23 is attached to and wrapped on the outer wall of the inner container 11. The second heat insulation layer 22 is located between the first heat insulation layer 21 and the third heat insulation layer 23, so that the heat insulation effect of the whole heat insulation layer 2 is further improved.

The materials of the first insulating layer 21 and the third insulating layer 23 are not particularly limited, and in this embodiment, the first insulating layer 21 and the third insulating layer 23 are made of insulating fibers. First heat preservation 21, third heat preservation 23 constitute by the thermal insulation fibre, and the second heat preservation 22 chooses for use the air filling this moment, and the air forms more spaces and cavities in first heat preservation 21, third heat preservation 23, has further improved the thermal-insulated heat preservation effect of insulating layer 2. As an alternative embodiment, the first insulating layer 21 and the third insulating layer 23 are made of different materials.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A steaming oven, comprising:

the box body (1) comprises an inner container (11) arranged in the box body (1);

and the heat insulation layer (2) is wrapped on the outer side of the inner container (11) and is positioned between the inner container (11) and the box body (1).

2. The steaming oven of claim 1, further comprising:

the first heat dissipation channel (3) is arranged between the box body (1) and the heat insulation layer (2), and an electrical component (14) mounted on the box body (1) is located in the heat dissipation channel (3).

3. The steaming oven of claim 2, further comprising:

and the heat radiation fan (12) is arranged on the box body (1), the input end of the heat radiation fan is communicated with the first heat radiation channel (3), and the output end of the heat radiation fan faces the outside of the box body (1).

4. The steaming oven according to claim 2, wherein the box (1) is provided with a first heat dissipation hole (13), and the first heat dissipation hole (13) is communicated with the first heat dissipation channel (3).

5. The steaming oven according to claim 4, wherein the first heat dissipation aperture (13) is distributed over the electrical component (14).

6. The steaming oven according to claim 2, wherein the first heat dissipation channel (32) extends to above the inner container (11), and one end of the first heat dissipation channel (32) far away from the electrical component (14) penetrates through the box body (1) to form a first matching hole (31) on the box body (1).

7. The steaming oven of claim 6, further comprising:

the door body (4), the door body (4) correspond the open end setting of inner bag (11), be equipped with second heat dissipation channel (32) in the door body (4), second heat dissipation channel (32) intercommunication first heat dissipation channel (3).

8. The steaming and baking box of claim 7, wherein the second heat dissipation channel (32) penetrates the door body (4), a second fitting hole (33) is formed in the door body (4), and the second fitting hole (33) is communicated with the first fitting hole (31).

9. The steaming oven according to claim 8, characterized in that the door (4) comprises:

the base plate (41) comprises a sealing gasket (42) arranged on the base plate (41), the sealing gasket (42) is annular, and the sealing gasket (42) and the base plate (41) enclose a sealing area for sealing the opening end of the inner container (11).

10. The steaming oven of claim 9,

the first matching hole (33) is located on one side, facing the door body (4), of the box body (1), and the first matching hole (33) is located above the heat insulation layer (2).

11. The steaming oven according to claim 10, wherein the second mating hole (33) is located at the top end of the base plate (41).

12. The steaming oven according to any one of claims 8 to 10, wherein the end surfaces of the first fitting hole (31) and the second fitting hole (33) are provided with mutually matched bosses (15) and/or clamping grooves (44), and the first fitting hole (31) and the second fitting hole (33) are respectively arranged in the bosses (15) and the clamping grooves (44).

13. The steaming oven according to claim 1, characterized in that the insulating layer (2) comprises at least:

the heat insulation structure comprises a first heat insulation layer (21) and a second heat insulation layer (22), wherein the second heat insulation layer (22) is positioned between the outer wall of the inner container and the first heat insulation layer (21), and the second heat insulation layer (22) is vacuum or is filled with gas or liquid;

and a support member (24) supported between the first heat-insulating layer (21) and the inner container (11).

14. The steaming oven of claim 13, further comprising:

and the third heat-insulating layer (23) is attached to and wrapped on the outer wall of the inner container (11).

15. The steaming oven according to claim 14, characterized in that the first insulating layer (21) and the third insulating layer (23) are made of insulating fibers.