CN213391859U - Door body structure and household appliance - Google Patents

Abstract

The utility model relates to a household electrical appliances technical field particularly, relates to a door body structure and domestic appliance. The utility model provides a door body structure, which comprises a hollow annular shell, wherein the hollow annular shell is formed by connecting a door frame and a door plate; be equipped with the holding tank that is used for holding electrical components in the door frame, the at least one end of holding tank is equipped with the air intake, and air intake department is equipped with the fan, has seted up the louvre on the outer wall of door frame, has solved among the prior art can not be simultaneously to the technical problem of the effective heat dissipation cooling of the internal portion's of door electrical part and the external surface of door.

Description

Door body structure and household appliance

Technical Field

The utility model relates to a household electrical appliances technical field particularly, relates to a door body structure and domestic appliance.

Background

Steam ovens are modern cooking appliances, widely used because of their advantages such as good appearance, small footprint, energy saving, large capacity, good taste of the food removed, etc.: the steam oven guides water in the water tank into the heating plate when working, and at the moment, the heating plate heated to high temperature meets water to instantly generate a large amount of high-temperature steam to cook food. When the water vapor content and the steam temperature in the cavity reach the preset height, the sensor on the heating plate works, the water injection is cut off, and the original nutrient components of the food can be reserved in the cooking process of keeping the water vapor with the specific temperature and the specific density for a period of time.

Household appliances such as steam ovens on the market, no matter desktop type or embedded type, have higher requirements on the appearance and the shape of kitchen appliances with the requirements of modern fashion appearance and size, and particularly have higher requirements on the surface temperature rise of the door components of the appliances and the effective anti-scalding protection in the operation process; at present, a heat dissipation air duct is generally arranged in household appliances such as a steam oven to dissipate heat of electronic components, and a gap between the heat dissipation air duct and the household appliances is taken as an air outlet of the heat dissipation air duct.

At present, in the door body structure of the existing household appliance, only a heat dissipation air duct aiming at electronic components is provided, and because the analysis provided by people is adopted as an air outlet, the heat dissipation effect is poor, and meanwhile, the electronic components and the door body can not be simultaneously dissipated; the problems that the temperature of an electric appliance element is too high, the use life surface is influenced, and the temperature of a door body is too high, so that the use experience of a user is influenced exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a door body structure and domestic appliance, this door body structure and domestic appliance have solved among the prior art technical problem that the door body can not be simultaneously to the effective heat dissipation cooling of the internal portion's of door electrical parts and door body surface.

In order to achieve the above object, in a first aspect, an embodiment of the present invention provides a door body structure, including a casing, where a first heat dissipation air duct and a second heat dissipation air duct are arranged in the casing;

an electrical component is installed in the first heat dissipation air duct, the first heat dissipation air duct is provided with a first air inlet and a first air outlet, a fan is arranged at the first air inlet, and the first air inlet and the first air outlet are both communicated with the second heat dissipation air duct;

the second heat dissipation air duct is provided with a second air inlet and a second air outlet, and the second heat dissipation air duct is used for cooling the shell.

In an alternative embodiment, the casing includes a door frame and a door plate, the door frame is connected to the door plate, and the second heat dissipation air duct is formed between the door frame and the door plate; the door frame is provided with a containing groove, the containing groove is covered with an cover plate, and the cover plate and the containing groove form a first heat dissipation air channel.

In an optional embodiment, a cavity penetrating through the shell is arranged on the shell, and two ends of the cavity are respectively connected with the inner glass and the outer glass;

the first exhaust port is communicated with the cavity, and the cavity is communicated with the second heat dissipation air duct through an air inlet.

In an alternative embodiment, a ring groove is formed on the door frame, and the second heat dissipation air duct is formed between the ring groove and the door panel.

In an optional embodiment, the air inlet is disposed on an inner wall of the door frame, and the second air outlet is disposed on an outer wall of the door frame.

In an optional embodiment, two second air outlets are provided, and the two second air outlets are provided on two opposite outer side walls of the door frame;

the air inlet is provided with two air inlets which are arranged on two inner side walls opposite to the door frame.

In an optional embodiment, the air inlet and the second air outlet are correspondingly arranged.

In an optional embodiment, a first through hole is formed in the door frame, a second through hole is correspondingly formed in the door plate, the first through hole is communicated with the second through hole to form the cavity, the outer glass is arranged at the first through hole, and the inner glass is arranged at the second through hole.

In an alternative embodiment, the outer glass is flush with the edge of the door frame, and the inner glass is flush with the inner edge of the second through hole and is embedded in the second through hole.

In an alternative embodiment, the outer glass is provided with a handle, and the top surface of the handle is not higher than the edge of the door frame.

In an optional embodiment, the two ends of the cover plate are respectively provided with the first air inlets, and each first air inlet is provided with the fan; the first exhaust opening is formed in the inner wall of the door frame.

In an optional embodiment, a second air inlet communicated with the second heat dissipation air duct is formed in the door frame.

In a second aspect, an embodiment of the present invention provides a household appliance, including a door body structure according to any one of the foregoing embodiments.

Has the advantages that:

the embodiment of the utility model provides a door body structure, which comprises a shell, wherein a first heat dissipation air channel and a second heat dissipation air channel are arranged in the shell; an electrical component is installed in the first heat dissipation air duct, the first heat dissipation air duct is provided with a first air inlet and a first air outlet, a fan is arranged at the first air inlet, and the first air inlet and the first air outlet are both communicated with the second heat dissipation air duct; the second heat dissipation air duct is provided with a second air inlet and a second air outlet, and the second heat dissipation air duct is used for cooling the shell.

In the above arrangement, air enters the second heat dissipation air duct through the second air inlet, the fan is turned on, air in the second heat dissipation air duct enters the first heat dissipation air duct through the first air inlet and takes away heat on electrical components located in the first heat dissipation air duct, then the heat-exchanged air enters the second heat dissipation air duct through the first air outlet, the air flows in the second heat dissipation air duct to take away heat on the housing, further takes away heat on components located on the housing, such as a door body, a glass panel, a handle and the like, and then the heat-exchanged air is discharged through the second air outlet; compared with the existing door body structure, the composite action of the first heat dissipation air channel and the second heat dissipation air channel is adopted in the embodiment, so that the heat of the electrical element and the door body can be dissipated at the same time, the temperature of the electrical element can be reduced, the service life of the electrical element can be prolonged, the temperature of the door body can be reduced, and the use experience of a user can be improved; meanwhile, in the embodiment, the effective heat dissipation air duct is adopted to dissipate heat of the electrical components, so that heat can be reasonably discharged, normal operation of components such as electrical components and the like is ensured, and other parts of the assembly/system cannot be affected.

The embodiment of the utility model provides a household appliance, including above-mentioned door body structure, it is corresponding, this household appliance has all advantages of above-mentioned door body structure, and here is no longer repeated.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an explosion structure schematic diagram of a door body structure provided by an embodiment of the present invention;

fig. 2 is a sectional view of a door body structure according to an embodiment of the present invention;

fig. 3 is an overall structure schematic diagram of a door body structure provided by the embodiment of the present invention.

Icon: 10-a housing; 20-electrical components; 30-a first heat dissipation air duct; 40-a second heat dissipation air duct; 50-a first air inlet; 60-a first exhaust port; 70-a fan; 80-accommodating the tank; 90-cover plate; 100-a cavity; 110-inner glass; 120-outer glass; 130-air inlet; 140-a second air outlet; 150-a first via; 160-a second via; 170-a handle; 180-a second air inlet;

101-a door frame; 102-door panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 3, an embodiment of the present invention provides a door structure, including a casing 10, wherein a first heat dissipation air duct 30 and a second heat dissipation air duct 40 are disposed in the casing 10; an electrical component 20 is installed in the first heat dissipation air duct 30, the first heat dissipation air duct 30 has a first air inlet 50 and a first air outlet 60, a fan 70 is arranged at the first air inlet 50, and the first air inlet 50 and the first air outlet 60 are both communicated with the second heat dissipation air duct 40; the second heat dissipation air duct 40 has a second air inlet 180 and a second air outlet 140, and the second heat dissipation air duct 40 is used for cooling the housing 10.

In the above arrangement, air enters the second heat dissipation air duct 40 through the second air inlet 180, the fan is turned on, air in the second heat dissipation air duct 40 enters the first heat dissipation air duct 30 through the first air inlet 50 and takes away heat on the electrical component 20 located in the first heat dissipation air duct 30, then heat-exchanged air enters the second heat dissipation air duct 40 through the first air outlet 60, the air flows in the second heat dissipation air duct 40 to take away heat on the housing 10, further takes away heat on components such as a door body, a glass panel and a handle 170 located on the housing 10, and then the heat-exchanged air is discharged through the second air outlet 140;

compared with the existing door body structure, the composite action of the first heat dissipation air duct 30 and the second heat dissipation air duct 40 is adopted in the embodiment, so that the heat of the electrical component 20 and the door body can be dissipated at the same time, the temperature of the electrical component 20 can be reduced, the service life of the electrical component 20 is prolonged, the temperature of the door body can be reduced, and the use experience of a user is improved; meanwhile, in the embodiment, the effective heat dissipation air duct is adopted to dissipate heat of the electrical element, so that heat can be reasonably discharged, normal operation of the electrical element 20 and other parts is ensured, and other parts of the assembly/system cannot be affected.

Referring to fig. 1, in the present embodiment, the casing 10 includes a door frame 101 and a door plate 102, the door frame 101 is connected to the door plate 102, and a second heat dissipation air duct 40 is formed between the door frame 101 and the door plate 102; be equipped with holding tank 80 on the door frame 101, the holding tank 80 upper cover has closed apron 90, forms first heat dissipation wind channel 30 between apron 90 and the holding tank 80.

Like this, through being provided with first heat dissipation wind channel 30 and second heat dissipation wind channel 40, realized dual heat dissipation, the radiating effect is better, can enough reduce electrical components 20's temperature, improves electrical components 20's life, can also reduce the temperature of the door body simultaneously.

Referring to fig. 1-2, in the present embodiment, a cavity 100 is formed in the housing 10, and the cavity 100 is connected to the inner glass 110 and the outer glass 120 at two ends thereof; the first exhaust opening 60 is communicated with the cavity 100, and the cavity 100 is communicated with the second heat dissipation air duct 40 through the air inlet 130.

Specifically, the two ends of the cavity 100 are respectively connected to the inner glass 110 and the outer glass 120 to form a relatively closed space, and because the first exhaust opening 60 is communicated with the cavity 100, under the action of the fan 70, air after heat dissipation of the electrical component 20 enters the cavity 100 through the first exhaust opening 60, and then enters the second heat dissipation air duct 40 through the air inlet 130.

Referring to fig. 1, in the present embodiment, a ring groove is formed on the door frame 101, and a second heat dissipation air duct 40 is formed between the ring groove and the door panel 102.

Specifically, a ring groove is formed on the door frame 101, when the door frame 101 is connected to the door panel 102, an annular second heat dissipation air duct 40 is formed between the door frame 101 and the door panel 102, and under the action of the fan 70, air that has dissipated heat to the electrical component 20 enters the cavity 100 through the first air outlet 60, and then enters the annular second heat dissipation air duct 40 through the air inlet 130.

Referring to fig. 1, in the present embodiment, the air inlet 130 is disposed on an inner wall of the door frame 101, and the second air outlet 140 is disposed on an outer wall of the door frame 101.

Specifically, the fan 70 drives the airflow to flow in the housing 10, and after the airflow exchanges heat with the electrical component 20, the hot air enters the cavity 100 through the first air outlet 60 and is then exhausted to the external environment through the air inlet 130 and the second air outlet 140.

Therefore, the hot air passing through the electrical component 20 can flow in the housing 10 and then is discharged through the second air outlet 140, or the hot air passes through the first air outlet 60 and then enters the cavity 100 and then is discharged through the air inlet 130 and the second air outlet 140, and through the dual functions of the first heat dissipation air duct 30 and the second heat dissipation air duct 40, the temperature rise of the door assembly is synchronously reduced, and the stability and the service life of the internal electrical component 20 are improved.

Referring to fig. 1, in the present embodiment, two second air outlets 140 are provided, and two second air outlets 140 are provided on two opposite outer sidewalls of the door frame 101; the number of the air inlets 130 is two, and the two air inlets 130 are disposed on two opposite inner side walls of the door frame 101.

Referring to fig. 2 to 3, in the present embodiment, the air inlet 130 and the second air outlet 140 are correspondingly disposed.

Specifically, the number of the air inlets 130 is the same as that of the second air outlets 140, and each air inlet 130 is correspondingly provided with one second air outlet 140, wherein the center of the air inlet 130 and the center of the second air outlet 140 are on the same horizontal line, so that the hot air after heat exchange can smoothly enter the second air outlet 140 through the air inlet 130, and is exhausted to the external environment.

Referring to fig. 1-2, in the embodiment, a first through hole 150 is formed on the door frame 101, a second through hole 160 is correspondingly formed on the door panel 102, the first through hole 150 and the second through hole 160 are communicated to form the cavity 100, the outer glass 120 is disposed at the first through hole 150, and the inner glass 110 is disposed at the second through hole 160.

Specifically, the hot air flow exchanging heat with the electrical component 20 enters the second heat dissipation air duct 40 through the cavity 100.

Referring to fig. 1, in the present embodiment, the outer glass 120 is flush with the edge of the door frame 101, and the inner glass 110 is flush with the inner edge of the second through hole 160 and is inserted into the second through hole 160.

Specifically, the edge of above-mentioned outer glass 120 is the same as the edge parallel and level of door frame 101, is favorable to the maintenance of consumer to the door body like this clean, can not influence the use interest because oil stain, food waste in the assembly gap are difficult to clean, can increase consumer's use and experience the sense.

The edge of the inner glass 110 is flush with the edge of the second through hole 160, and the periphery of the inner glass 110 is finely ground, so that the fine grinding processing method is more in line with trend, kitchen appliances are more fashionable, and are more popular with consumers in all ages, and consumer groups are enlarged.

Referring to fig. 1 to 2, in the present embodiment, the handle 170 is disposed on the outer glass 120, and a top surface of the handle 170 is not higher than an edge of the door frame 101.

Specifically, the top surface of the handle 170 is close to the edge of the door frame 101, if the height of the handle 170 is too low, the handle 170 of the door body easily collides with the desktop when the door is opened, and if the height of the handle 170 is too high, the handle is higher than the edge of the door frame 101, which is not beautiful, and the outside easily rubs or collides with the part higher than the edge of the door frame 101.

Referring to fig. 1, in the present embodiment, the two ends of the cover plate 90 are both provided with the first air inlets 50, and each first air inlet 50 is provided with a fan 70; the first exhaust port 60 is provided on the inner wall of the door frame 101.

Specifically, the first exhaust opening 60 is disposed on the inner wall of the bottom of the door frame 101, the first exhaust opening 60 is located above the accommodating groove 80, and hot air flowing through the electrical component 20 after heat exchange enters the cavity 100 through the first exhaust opening 60.

Referring to fig. 2 and 3, in the present embodiment, the door frame 101 is provided with a second air inlet 180 communicated with the second heat dissipation air duct 40.

Specifically, the second air inlets 180 are disposed at the bottom of the door frame 101, the number of the second air inlets 180 may be one, or two or more, in this embodiment, two second air inlets 180 are preferably disposed, and under the action of the fan 70, the external air enters the first heat dissipation air duct 30 through the second air inlets 180 to take away heat generated by the electrical component 20.

Example two

The present embodiment provides a household appliance including the door structure as described in the foregoing embodiments.

The household appliance provided by the embodiment comprises the door body structure, and accordingly, the household appliance has all the advantages of the door body structure, and the description is omitted here.

Claims (13)

1. The door body structure is characterized by comprising a shell (10), wherein a first heat dissipation air duct (30) and a second heat dissipation air duct (40) are arranged in the shell (10);

an electrical component (20) is installed in the first heat dissipation air duct (30), the first heat dissipation air duct (30) is provided with a first air inlet (50) and a first air outlet (60), a fan (70) is arranged at the first air inlet (50), and the first air inlet (50) and the first air outlet (60) are both communicated with the second heat dissipation air duct (40);

the second heat dissipation air duct (40) is provided with a second air inlet (180) and a second air outlet (140), and the second heat dissipation air duct (40) is used for cooling the shell (10).

2. The door body structure according to claim 1, wherein the housing comprises a door frame (101) and a door panel (102), the door frame (101) is connected with the door panel (102), and the second heat dissipation air duct (40) is formed between the door frame (101) and the door panel (102); be equipped with holding tank (80) on door frame (101), holding tank (80) upper cover has closed apron (90), apron (90) with form between holding tank (80) first heat dissipation wind channel (30).

3. The door body structure according to claim 2, characterized in that the shell (10) is provided with a cavity (100) which penetrates through from front to back, and two ends of the cavity (100) are respectively connected with the inner glass (110) and the outer glass (120);

the first exhaust opening (60) is communicated with the cavity (100), and the cavity (100) is communicated with the second heat dissipation air duct (40) through an air inlet (130).

4. The door body structure according to claim 3, wherein a ring groove is formed on the door frame (101), and the second heat dissipation air duct (40) is formed between the ring groove and the door panel (102).

5. The door body structure according to claim 4, wherein the air inlet (130) is formed on an inner wall of the door frame (101), and the second air outlet (140) is formed on an outer wall of the door frame (101).

6. The door body structure according to claim 4, wherein two second air outlets (140) are provided, and two second air outlets (140) are provided on two opposite outer side walls of the door frame (101);

the number of the air inlets (130) is two, and the two air inlets (130) are arranged on two opposite inner side walls of the door frame (101).

7. The door body structure according to claim 5 or 6, wherein the air inlet (130) and the second air outlet (140) are correspondingly arranged.

8. The door body structure according to claim 3, wherein a first through hole (150) is formed in the door frame (101), a second through hole (160) is correspondingly formed in the door panel (102), the first through hole (150) and the second through hole (160) are communicated to form the cavity (100), the outer glass (120) is arranged at the first through hole (150), and the inner glass (110) is arranged at the second through hole (160).

9. The door body structure according to claim 8, wherein the outer glass (120) is flush with an edge of the door frame (101), and the inner glass (110) is flush with an inner edge of the second through hole (160) and is embedded in the second through hole (160).

10. The door body structure according to claim 3, characterized in that a handle (170) is arranged on the outer glass (120), and the top surface of the handle (170) is not higher than the edge of the door frame (101).

11. The door body structure according to claim 2, characterized in that the first air inlets (50) are formed at both ends of the cover plate (90), and the fan (70) is arranged at each first air inlet (50); the first exhaust opening (60) is formed in the inner wall of the door frame (101).

12. The door body structure according to claim 2, wherein a second air inlet (180) communicated with the second heat dissipation air duct (40) is formed in the door frame (101).

13. A household appliance comprising a door structure according to any one of claims 1 to 12.

Images