CN221242597U

CN221242597U - Door cooling system and oven

Info

Publication number: CN221242597U
Application number: CN202322945566.9U
Authority: CN
Inventors: 董守才; 张华�; 巫福祥
Original assignee: Guangdong Tianxi Electric Appliance Co ltd
Current assignee: Guangdong Tianxi Electric Appliance Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-07-02
Anticipated expiration: 2033-10-31

Abstract

The utility model provides a door cooling system and an oven, wherein the door cooling system comprises a fan arranged at the bottom of the oven body, a first ventilating duct arranged in the door body and a communication hole group, wherein the fan is provided with an air inlet side and an air outlet side; the communication hole group comprises an air inlet hole corresponding to the air inlet side of the fan and an air outlet hole corresponding to the air outlet side of the fan, which are arranged on the box body, and the air outlet hole is communicated with the first ventilating duct. The door cooling system is characterized in that the fan is arranged at the bottom of the box body, cold air is blown to the first ventilating duct arranged in the door body through the fan, and when the cold air passes through the first ventilating duct, heat on the door body is taken away along with the first ventilating duct, so that a cooling effect is achieved; meanwhile, as the fan always blows cold air to the door body, heat is difficult to radiate to the fan blades and other parts, and therefore the service life of the door body cooling system is guaranteed.

Description

Door cooling system and oven

Technical Field

The utility model relates to the technical field of electric appliance cooling, in particular to a door cooling system and an oven.

Background

The oven is a household appliance comprising a box body and a door body, wherein a heating space is an inner container covered by the box body, and the door body and the inner container are utilized to form a sealed heating space so as to bake food or dry products. The electric oven can be used for making various food materials such as roast chicken, roast duck, roast bread, cake and the like, is convenient to use and has good cooking effect, and is widely applied to the market at present.

The Chinese patent publication No. CN217390513U discloses a door body heat dissipation and cooling system and an oven thereof, wherein the door body heat dissipation and cooling system comprises a door which is of a hollow structure, and the bottom and the top of the door are respectively provided with a plurality of first through holes and second through holes; the top cover is arranged at the top of the box door and is adjacent to the second through hole; the air outlet is arranged at the rear end of the top cover, and the air outlet is communicated with the first fan. Through above structural design mode, can form the air circulation system that has convection effect to take away from the chamber door with a large amount of heats that produce in oven course of working effectively, cooling radiating effect is good, can show reduction chamber door temperature.

However, the heating temperature of the oven may be up to 300 ℃ or higher, and when the door body heat dissipation and cooling system is used, a large amount of heat can pass through the fan when the heat is taken away from the door, and the service life of the fan blades and other components can be reduced due to the fact that the working temperature is too high, so that the service life of the cooling system is influenced.

Disclosure of utility model

Based on this, in order to solve the problem that when the door body cooling system is used, a large amount of heat can pass through the fan, the service life of the fan blade can be reduced due to overhigh working stability, and the service life of the cooling system is influenced, the utility model provides a door body cooling system and an oven, and the specific technical scheme is as follows:

in one aspect, a door cooling system includes:

The fan is arranged at the bottom of the box body and is provided with an air inlet side and an air outlet side;

the first ventilating duct is arranged in the door body;

The communication hole group comprises an air inlet hole corresponding to the air inlet side of the fan and an air outlet hole corresponding to the air outlet side of the fan, which are arranged on the box body, and the air outlet hole is communicated with the first ventilating duct.

The door cooling system is characterized in that the fan is arranged at the bottom of the box body, cold air is blown to the first ventilating duct arranged in the door body through the fan, and when the cold air passes through the first ventilating duct, heat on the door body is taken away along with the first ventilating duct, so that a cooling effect is achieved; meanwhile, as the fan always blows cold air to the door body, heat is difficult to radiate to the fan blades and other parts, and therefore the service life of the door body cooling system is guaranteed.

Further, the air conditioner further comprises a second air passage arranged outside the first air passage, and a second air outlet of the second air passage is communicated with the first air passage.

Further, the air inlet hole is formed in the bottom of the box body shell.

Further, the first ventilating duct is provided with a first air inlet hole communicated with the air outlet hole and a first exhaust hole arranged at the top of the door body.

Further, a first heat insulation layer is arranged on one side of the first ventilating duct, facing the box body.

On the other hand, the oven is characterized by comprising a box body, a door body and a door body cooling system, wherein an inserting inclined shell is arranged on one side of the box body, an installation concave position which is matched with the inserting inclined shell is arranged on the box body, and an air outlet hole is formed in the installation concave position.

Further, a glass door is arranged on the door body, the glass door comprises an inner glass body and an outer glass body, and the first ventilation channel penetrates through the space between the inner glass body and the outer glass body.

Further, the door body is provided with a door handle, and the first exhaust hole of the first ventilating duct is arranged at the installation position of the door handle.

Further, the box body comprises an inner container provided with a baking cavity, and a second heat insulation layer is arranged on the baking cavity wall of the inner container.

Further, the inner container is a shell formed by bending at least two layers of sheet metal plates, and a spacing layer between the two layers of sheet metal plates forms the second heat insulation layer.

Drawings

The utility model will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic view of a door cooling system according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a door according to an embodiment of the utility model.

Reference numerals illustrate:

1. A fan; 2. a first ventilation duct; 3. a communicating hole group; 4. a second ventilation duct;

8. A case; 9. a door body;

101. a wind inlet side; 102. an air outlet side;

21. A first air inlet; 22. a first exhaust hole;

31. An air inlet hole; 32. an air outlet hole;

401. A second air outlet;

81. Installing a concave position; 82. an inner container;

91. Inserting an inclined shell; 92. a glass door; 93. an inner glass body; 94. an outer glass body;

95. Door handle.

Detailed Description

The present utility model will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.

In one aspect, as shown in fig. 1 and 2, a door cooling system according to an embodiment of the present utility model includes:

the fan 1 is arranged at the bottom of the box body 8, and the fan 1 is provided with an air inlet side 101 and an air outlet side 102;

a first air duct 2 provided in the door body 9;

The communication hole group 3 comprises an air inlet hole 31 corresponding to the air inlet side 101 of the fan 1 and an air outlet hole 32 corresponding to the air outlet side 102 of the fan 1, which are arranged on the box body 8, and the air outlet hole 32 is communicated with the first ventilating duct 2.

In the door cooling system, the fan 1 is arranged at the bottom of the box body 8, cold air is blown to the first ventilating duct 2 arranged in the door body 9 through the fan 1, and when the cold air passes through the first ventilating duct 2, heat on the door body 9 is taken away along with the cooling air, so that a cooling effect is achieved; meanwhile, as the fan 1 always blows cold air to the door body 9, heat is difficult to radiate to the fan blades and other parts, so that the service life of the door body cooling system is ensured.

In one embodiment, the air conditioner further comprises a second air passage 4 arranged outside the first air passage 2, and a second air outlet 401 of the second air passage 4 is communicated with the first air passage 2. Thus, by providing the second ventilation duct 4, the air pressure generated by blowing cool air by the fan 1 can be used to ensure the air volume passing through the first ventilation duct 2 by allowing another air to enter the first ventilation duct 2 from the second air outlet 401.

In one embodiment, the air inlet 31 is provided at the bottom of the housing of the case 8. Specifically, the air inlet holes 31 are provided between the support legs of the case 8. In this way, the air inlet hole 31 is provided in the fan 1 at the air inlet side 101, and provides sufficient cool air for the air volume passing through the first air duct 2.

In one embodiment, the first air duct 2 is provided with a first air inlet hole 21 communicating with the air outlet hole 32 and a first air outlet hole 22 provided at the top of the door body 9. In this way, the process of passing the cold air through the first air inlet hole 21 to the first air outlet hole 22 penetrates through the whole door body 9, so that the cooling effect of the door body cooling system is ensured.

In one of the embodiments, the first ventilation flue 2 is provided with a first insulation layer towards one side of the box 8. So, utilize first insulating layer to reduce the heat that box 8 heat radiation arrived door body 9, guarantee that door body 9 guarantees suitable temperature in the use, avoid scalding the user.

On the other hand, as shown in fig. 1 and 2, an oven according to an embodiment of the present utility model includes a case 8, a door 9, and a door cooling system, wherein a plug-in inclined shell 91 is disposed on a side of the door 9 facing the case 8, the case 8 is provided with a mounting recess 81 adapted to the plug-in inclined shell 91, and an air outlet hole 32 is disposed on the mounting recess 81. Therefore, the inserted oblique shell 91 is matched with the installation concave position 81, so that the door body 9 is ensured to be in close contact with the box body 8 in the use process, and the heat dissipation in the heating process of the inner container of the box body 8 is reduced; meanwhile, the plugging inclined shell 91 is used for adapting to the installation concave position 81, so that the air outlet 32 and the first air inlet 21 are ensured to be aligned and communicated.

In one embodiment, the door body 9 is provided with a glass door 92, and the glass door 92 includes an inner glass body 93 and an outer glass body 94, and the first ventilation duct 2 passes between the inner glass body 93 and the outer glass body 94. In this way, the user can see the actual working condition of the inner container of the case 8 by using the glass door 92, and the first ventilation duct 2 passes through the space between the inner glass body 93 and the outer glass body 94, so that the temperature of the glass door 92 can be reduced.

In one embodiment, the door body 9 is provided with a door handle 95, and the first exhaust holes 22 of the first ventilation duct 2 are provided at the installation position of the door handle 95. In this way, the design positions of the top of the door body 9 are relatively few, and the first exhaust hole 22 is arranged by utilizing the margin of the installation position of the door handle 95, so that the structure is compact.

In one embodiment, the case 8 includes a liner 82 having a baking chamber, and a baking chamber wall of the liner 82 is provided with a second heat insulating layer. In this way, the second heat insulating layer can reduce the heat dissipation in the heating process of the inner container 82, and reduce the heat radiated to the door body 9.

In one embodiment, the liner 82 is a shell formed by bending at least two layers of sheet metal plates, and a spacer layer between the two layers of sheet metal plates forms a second heat insulating layer. Therefore, the shell formed by bending the sheet metal plate is simple to process, good in heat resistance, stable in long-time high-temperature working environment, safe and reliable.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A door cooling system, comprising:

the fan (1) is arranged at the bottom of the box body (8), and the fan (1) is provided with an air inlet side (101) and an air outlet side (102);

the first ventilating duct (2) is arranged in the door body (9);

The communication hole group (3) comprises an air inlet hole (31) arranged on the box body (8) and corresponding to the air inlet side (101) of the fan (1), and an air outlet hole (32) corresponding to the air outlet side (102) of the fan (1), wherein the air outlet hole (32) is communicated with the first ventilating duct (2).

2. A door cooling system according to claim 1, further comprising a second air passage (4) provided outside the first air passage (2), a second air outlet (401) of the second air passage (4) being in communication with the first air passage (2).

3. A door cooling system according to claim 1, characterized in that the air inlet opening (31) is provided in the bottom of the housing of the box (8).

4. A door cooling system according to claim 1, characterized in that the first air duct (2) is provided with a first air inlet opening (21) communicating with the air outlet opening (32) and a first air outlet opening (22) arranged at the top of the door (9).

5. A door cooling system according to claim 1, characterized in that the first ventilation duct (2) is provided with a first insulation layer to one side of the box (8).

6. An oven, characterized in that, including box (8), door body (9) and door body cooling system (100) according to any one of claims 1-5, door body (9) to one side of box (8) is equipped with grafting oblique shell (91), box (8) are equipped with adaptation install concave position (81) of grafting oblique shell (91), air outlet (32) set up on install concave position (81).

7. An oven according to claim 6, characterized in that the door body (9) is provided with a glass door (92), the glass door (92) comprises an inner glass body (93) and an outer glass body (94), and the first ventilation channel (2) passes between the inner glass body (93) and the outer glass body (94).

8. An oven according to claim 6, characterized in that the door body (9) is provided with a door handle (95), and the first exhaust hole (22) of the first air duct (2) is arranged at the mounting position of the door handle (95).

9. An oven according to claim 6, characterized in that the box (8) comprises an inner container (82) provided with a baking chamber, the baking chamber wall of the inner container (82) being provided with a second insulating layer.

10. The oven according to claim 9, characterized in that the inner container (82) is a shell formed by bending at least two layers of sheet metal plates, and the spacer layer between the two layers of sheet metal plates forms the second heat insulation layer.