CN114176423B - Oven - Google Patents
Oven Download PDFInfo
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- CN114176423B CN114176423B CN202111666320.7A CN202111666320A CN114176423B CN 114176423 B CN114176423 B CN 114176423B CN 202111666320 A CN202111666320 A CN 202111666320A CN 114176423 B CN114176423 B CN 114176423B
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- cavity
- air outlet
- oven
- air inlet
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
The application provides an oven, which comprises an oven cavity, a fan assembly and an oven door plate; the fan assembly comprises a fan housing and a fan arranged on the fan housing, the fan housing is arranged on the outer wall surface of the baking cavity, a housing wall is arranged between the fan housing and the baking cavity, a suction cavity is formed by surrounding the housing wall and the outer wall surface of the baking cavity, an air outlet cavity is formed by the housing wall and the fan housing, a communication port is formed on the housing wall, the communication port is communicated with the suction cavity and the air outlet cavity, and a cold air inlet communicated with the outside of the fan housing is formed in the suction cavity; the first air outlet of the main door plate area of the oven door plate is communicated with the suction cavity; the second air inlet of the circuit board installation area of the oven door plate is communicated with the air outlet cavity, and the second air outlet is communicated with the outside. The oven can not only prevent the oven from scalding users, but also effectively protect electronic components; in addition, an additional heat radiation fan is not required to be configured for the electronic components, so that the cost is effectively reduced.
Description
Technical Field
The application relates to the technical field of ovens, in particular to an oven.
Background
At present, oven products have some defects, such as no air duct or poor cooling effect in most cases, and the surface temperature and the internal temperature of the products are too high, so that people are easy to scald. The additional heat dissipation fan is needed to dissipate heat of the internal electronic components, and the cost is high.
In summary, how to solve the problems of poor cooling effect, easy scalding and high cost of the oven has become a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the application provides an oven to solve the problems of poor cooling effect, easy scalding and high cost of the oven.
In order to achieve the above object, the present application provides an oven, comprising an oven cavity, a fan assembly and an oven door plate;
the fan assembly comprises a fan housing and a fan arranged on the fan housing, the fan housing is arranged on the outer wall surface of the baking cavity, a cover wall is arranged between the fan housing and the baking cavity, a suction cavity is formed by surrounding the cover wall and the outer wall surface, an air outlet cavity is formed by surrounding the cover wall and the fan housing, a driving shaft of the fan penetrates through the cover wall, a communication opening is formed in the penetrating position of the cover wall, the communication opening is communicated with the suction cavity and the air outlet cavity, and a cold air inlet communicated with the outside of the fan housing is formed in the suction cavity;
the oven door plate comprises a main door plate area and a circuit board installation area which are isolated from each other;
the main door panel area comprises a first air inlet, a first air outlet and an interlayer which are mutually communicated, the first air inlet is communicated with the outside, and the first air outlet is communicated with the suction cavity;
the circuit board installation area comprises a second air inlet and a second air outlet which are communicated with each other, the second air inlet is communicated with the air outlet cavity, and the second air outlet is communicated with the outside.
Optionally, the barrier layer comprises at least two transparent sheets.
Optionally, the main door plate area is opposite to the baking cavity, the circuit board installation area is located at the top of the main door plate area, the first air inlet is formed at the bottom of the main door plate area, the first air outlet is formed at the top of the main door plate area, and the first air outlet is opened towards the suction cavity.
Optionally, the second air outlet is arranged on the wall surface where the second air inlet is located.
Optionally, the second air outlet is arranged on a wall surface where the top of the circuit board mounting area is located.
Optionally, a sealing ring is arranged at the peripheral edge of the second air inlet, and when the oven door plate covers the oven, the second air inlet is communicated with the air outlet cavity and is sealed.
Optionally, the sealing ring separates the second air inlet and the second air outlet.
Optionally, the sealing ring separates the second air inlet and the first air outlet.
Optionally, a blocking rib is arranged below the first air outlet, and when the oven door plate covers the oven, the first air outlet is communicated with the suction cavity and is sealed.
Optionally, the fan comprises a fan housing, and the fan housing is arranged on the fan housing, and is characterized by further comprising a housing cover covered on the outer wall surface and the outer side of the fan housing, a cold air cavity is formed between the outer wall surface and the fan housing and between the outer wall surface and the housing cover, the cold air cavity is provided with an air inlet grille communicated with the outside air, and the cold air inlet is communicated with the cold air cavity.
Compared with the background technology, the oven comprises an oven cavity, a fan assembly and an oven door plate; the fan assembly comprises a fan housing and a fan arranged on the fan housing, the fan housing is arranged on the outer wall surface of the baking cavity, a cover wall is arranged between the fan housing and the baking cavity, a suction cavity is formed by surrounding the cover wall and the outer wall surface of the baking cavity, an air outlet cavity is formed by the cover wall and the fan housing, a driving shaft of the fan penetrates through the cover wall, a communication opening is formed in the penetrating position of the cover wall, the communication opening is communicated with the suction cavity and the air outlet cavity, and a cold air inlet communicated with the outside of the fan housing is formed in the suction cavity; the oven door plate comprises a main door plate area and a circuit board installation area which are isolated from each other; the main door plate area comprises a first air inlet, a first air outlet and an interlayer which are communicated with each other, the first air inlet is communicated with the outside, and the first air outlet is communicated with the suction cavity; the circuit board installation area comprises a second air inlet and a second air outlet which are communicated with each other, the second air inlet is communicated with the air outlet cavity, and the second air outlet is communicated with the outside. In the practical working process, the air suction cavity is communicated with the first air outlet, so that the external atmosphere can enter the partition layer through the first air inlet, and then the heat dissipation of the main door plate area can be realized; and no additional heat radiation fan is required to be configured for the electronic components, so that the cost is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of an air-frying oven according to an embodiment of the present application;
FIG. 2 is a schematic view of an exemplary embodiment of an air fryer with a housing wall removed;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
fig. 4 is a schematic perspective view of an oven door panel according to an embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of an oven door panel according to an embodiment of the present application;
fig. 6 is a schematic diagram of a fan structure according to an embodiment of the present application.
Labeled in fig. 1-6 as:
the air inlet device comprises an interlayer 1, a first air inlet 11, a first air outlet 12, a baffle rib 13, a baking cavity 2, an outer wall surface 2a, a second air inlet 21, a second air outlet 22, a sealing ring 23, a fan assembly 3, a fan housing 3a, a fan 3b, a housing wall 3c, a communication port 3c1, a suction cavity 31, a cold air inlet 31a, an air outlet cavity 32, a driving shaft 33, an impeller 34, a first impeller 34a, a fan blade 34a1, a bottom fan housing 34a2, an air suction through hole 34a3, a second impeller 34b, a third impeller 34c, a driving motor 35, an oven door plate 4, a main door plate area 41, a circuit board safety area 42, a housing cover 5, a cold air cavity 6, an air inlet grille 61, a first air inlet grille 61a and a second air inlet grille 61b.
Detailed Description
The application aims at providing an oven to solve the problems of poor cooling effect, easiness in scalding people and high cost of the oven.
In order to enable those skilled in the art to better understand the technical solutions provided by the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1-6, an embodiment of the present application provides an oven comprising an oven cavity 2, a fan assembly 3 and an oven door panel 4; the fan assembly 3 comprises a fan housing 3a and a fan 3b arranged on the fan housing, the fan housing 3a is arranged on the outer wall surface 2a of the baking cavity 2, a cover wall 3c is arranged between the fan housing 3a and the baking cavity, the cover wall 3c and the outer wall surface 2a of the baking cavity 2 are enclosed to form a suction cavity 31, the cover wall 3c and the fan housing 3a form an air outlet cavity 32, a driving shaft 33 of the fan 3b penetrates through the cover wall 3c, the cover wall 3c is provided with a communication port 3c1 at a penetrating position, the communication port 3c1 is communicated with the suction cavity 31 and the air outlet cavity 32, and the suction cavity 31 is provided with a cold air inlet 31a communicated with the outside of the fan housing 3 a; the oven door 4 includes a main door panel area 41 and a circuit board installation area 42 isolated from each other; the main door panel area 41 comprises a first air inlet 11, a first air outlet 12 and an interlayer 1 which are communicated with each other, the first air inlet 11 is communicated with the outside, and the first air outlet 12 is communicated with the suction cavity 31; the circuit board mounting area 42 includes a second air inlet 21 and a second air outlet 22 that are mutually communicated, the second air inlet 21 is communicated with the air outlet cavity 32, and the second air outlet 22 is communicated with the outside.
In the practical working process, when the fan 3b operates, because the suction cavity 31 is communicated with the first air outlet 12, the external atmosphere can enter the interlayer 1 through the first air inlet 11, and then the heat dissipation of the main door plate area 41 can be realized, in addition, because the suction cavity 31 is also provided with the cold air inlet 31a communicated with the outside of the fan housing 3a, the external atmosphere can enter the suction cavity 31 through the cold air inlet 31a, at the moment, the air flow after heat exchange of the interlayer 1 and the air flow introduced by the cold air inlet 31a are mixed in the suction cavity 31 and then enter the air outlet cavity 32 through the communication port 3c1, at the moment, the mixed air flow temperature can be obviously reduced, the heat dissipation requirement of electronic components can be met, the air outlet cavity 32 is led into the circuit board installation area 42 through the second air inlet 21, the air flow in the circuit board installation area 42 is discharged through the second air outlet 22, so that the electronic components in the circuit board installation area 42 can be dissipated, the oven can not only dissipate the heat of the main door plate area 41 of the oven 4, but also prevent the oven users from scalding the electronic components in the circuit board installation area 42 of the oven 4; and no additional heat radiation fan is required to be configured for the electronic components, so that the cost is effectively reduced.
It should be noted that, when the oven structure is particularly applied to an air-frying oven, the effects of improving the cooling effect, preventing scalding hands and reducing the cost are more obvious.
In some embodiments, in order to facilitate observation of the baking condition inside the oven, generally, the main door panel area 41 is mainly made of transparent materials, and the interlayer 1 of the main door panel area 41 may specifically include at least two transparent plates. The cavity between the transparent plates forms a heat dissipation cavity of the barrier 1. Through the structure of designing into two-layer at least transparent plate, not only can conveniently observe the inside baking condition of oven to the heat dissipation chamber of cooperation intercommunication's first air intake 11, first air outlet 12 and interlayer 1, the user of preventing scalding that can be better.
It should be noted that the transparent plate may be a glass plate, or may be other transparent plates known to those skilled in the art, for example, a high-temperature-resistant transparent plastic plate, etc., and may be configured according to actual needs in the actual application process, which is not limited in detail herein.
In some more specific embodiments, the main door panel area 41 is opposite to the baking chamber 2, the circuit board mounting area 42 is located at the top of the main door panel area 41, that is, above the main door panel area 41 and opposite to the portion of the oven that corresponds to the upper part of the baking chamber 2, the first air inlet 11 is formed at the bottom of the main door panel area 41, the first air outlet 12 is formed at the top end of the main door panel area 41, and the opening of the first air outlet 12 faces the suction chamber 31. It will be understood, of course, that the above-mentioned manner in which the circuit board mounting area 42 is disposed at the top of the main door panel area 41 and the manner in which the first air inlet 11 is designed at the bottom of the main door panel area 41 are merely preferred examples of embodiments of the present application, and may be designed at other positions during practical application, for example, may be designed at the left side, the right side or the lower side of the main door panel area 41, and the corresponding first air inlet 11 is designed at the side opposite to the position of the circuit board mounting area 42 on the main door panel area 41, and may be configured according to specific requirements during practical application.
It should be noted that, when the circuit board installation area 42 is located at the top of the main door panel area 41, that is, at the upper position, the fan assembly 3 is preferably disposed at the top of the oven, so that the suction cavity 31 of the fan assembly 3 is communicated with the first air outlet 11, and the air outlet cavity 32 is communicated with the second air inlet 21 to be more conveniently disposed.
In a further embodiment, the second air outlet 22 may be disposed on a wall surface where the second air inlet 21 is located; the second air outlet 22 may also be disposed on a wall surface where the top of the circuit board mounting area 42 is located, and may be selectively disposed according to specific disposition requirements in a practical application process, which is not limited in this disclosure.
In some specific embodiments, in order to ensure that the air flow from the air outlet cavity 32 to the second air inlet 21 is more stable, a sealing ring 23 is further disposed along the periphery of the second air inlet 21, and when the oven door panel 4 covers the oven, the second air inlet 21 is communicated with and sealed with the air outlet cavity 32.
When the second air outlet 22 is disposed on the wall surface where the second air inlet 21 is disposed, the sealing ring 23 can separate the second air inlet 21 from the second air outlet 22.
It should be noted that, when the oven door panel 4 covers the oven, the sealing ring 23 also has a function of separating the second air inlet 21 and the first air outlet 12.
In a further embodiment, when the oven door plate 4 covers the oven, in order to ensure the tightness of the communication between the first air outlet 12 and the suction cavity 31, a blocking rib 13 is further arranged below the first air outlet 12, and when the oven door plate 4 covers the oven, the blocking rib 13 can be in extrusion fit with a sealing strip on a door frame of the oven, so that the first air outlet 12 is communicated with and sealed with the suction cavity 31.
In some more specific embodiments, the oven may further include a housing cover 5 covering the outer wall surface 2a of the cooking cavity 2 and the outside of the fan housing cover 3a, a cool air cavity 6 is formed between the outer wall surface 2a of the cooking cavity 2 and the fan housing cover 3a and the housing cover 5, the cool air cavity 6 has an air inlet grille 61 communicating with the outside air, and the cool air inlet 31a communicates with the cool air cavity 6. By arranging the cold air cavity 6 and the air inlet grille 61, the air flow entering the suction cavity 31 can be more stable, and meanwhile, sundries can be prevented from blocking the cold air inlet.
In a further embodiment, the air inlet grille 61 may specifically include a first air inlet grille 61a and a second air inlet grille 61b, where the first air inlet grille 61a is formed on the housing cover 5, a U-shaped plate is disposed on the inner side of the housing cover 5 opposite to the first air inlet grille 61a, and the second air inlet grille 61b is formed on the U-shaped plate. By designing the U-shaped plate and the second air inlet grille 61b thereon, the entry of sundries to block the cold air inlet 31a can be more effectively avoided.
In order to better understand the fan assembly provided by the technical scheme of the application, the following more specific description is given to the fan assembly:
the fan assembly comprises a fan housing cover 3a and a fan 3b arranged on the fan housing cover, the fan housing cover 3a is arranged on the outer wall surface 2a of a baking cavity 2 of the air frying oven, a cover wall 3c is arranged on one side, facing the baking cavity 2, of the fan housing cover 3a, a suction cavity 31 is formed by enclosing the cover wall 3c and the outer wall surface 2a, an air outlet cavity 32 is formed by the cover wall 3c and the fan housing cover 3a, and a cold air inlet 31a communicated with the outside of the fan housing cover 3a is formed in the suction cavity 31; the driving shaft 33 of the fan 3b is in transmission connection with the driving motor 35 of the air frying oven, the driving shaft 33 penetrates through the fan housing cover 3a, the cover wall 3c and the baking cavity 2, the cover wall 3c is provided with a communication port 3c1 at a penetrating position, the communication port 3c1 is communicated with the suction cavity 31 and the air outlet cavity 32, the driving shaft 33 is respectively fixed with a first impeller 34a and a second impeller 34b in the fan housing cover 3a and the baking cavity 2, and the first impeller 34a can suck air flow of the suction cavity 31 into the air outlet cavity 32 through the communication port.
In the actual working process, the driving shaft 33 drives the first impeller 34a and the second impeller 34b to rotate simultaneously, wherein the main function of the second impeller 34b is to stir the hot air flow in the baking cavity 2, so that the hot air flow circulates in the baking cavity 2, the main function of the first impeller 34a is to suck the air flow of the suction cavity 31 into the air outlet cavity 32 through the communication port 3c1, then a negative pressure effect is generated in the suction cavity 31, the external air flow can enter the suction cavity 31 through the cold air inlet 31a and then be output to a part needing heat dissipation and cooling on the oven by the air outlet cavity 32, and therefore, the fan assembly not only can the function of circulating air be improved by the driving motor 35, but also can play a role of conveying the heat dissipation and cooling air flow to the part needing heat dissipation and cooling on the oven, and the problem that the function of the driving motor 35 of the air frying oven is relatively single is effectively solved.
In some embodiments, the driving shaft 33 is specifically an output shaft of the fan 3b, and the driving shaft sleeve 3b2 is fixedly sleeved on the output shaft, and the first impeller 34a and the second impeller 34b are both fixed on the driving shaft sleeve 3b 2. By arranging the driving shaft sleeve 3b2, the fixed installation of the first impeller 34a and the second impeller 34b is more convenient, specifically, the driving shaft sleeve 3b2 can be penetrated into the baking cavity 2, then the second impeller 34b is installed to the driving shaft sleeve 3b2 from the interior of the baking cavity 2, then the first impeller 34a is installed and fixed to the driving shaft sleeve 3b2, and then the driving shaft sleeve 3b2 is installed and fixed to the output shaft when the fan 3b is installed.
It should be noted that the specific manner in which the first impeller 34a and the second impeller 34b are mounted to the driving shaft sleeve 3b2 may be by a key connection, or other fixing connection manners commonly used by those skilled in the art, which is not limited in more detail herein.
In some more specific embodiments, a third impeller 34c for cooling the drive motor 35 may also be provided on the drive shaft 33. The third impeller 34c may be specifically disposed at a position located outside the blower housing 3a and close to the drive motor 35; or may be disposed at a top position of the driving motor 35, and may be selected according to an actual space arrangement requirement in the actual process, which is not limited in more detail herein.
In some specific embodiments, the first impeller 34a may specifically include a fan blade 34a1 fixed to the driving shaft 33 and a bottom fan cover 34a2 disposed perpendicularly to the driving shaft 33, the bottom fan cover 34a2 being located on a side close to the communication port 3c1, and the fan blade 34a1 being located on a side away from the communication port 3c 1; the bottom fan housing 34a2 has a suction through hole 34a3 formed in the middle thereof and communicating with the communication port 3c1, and the driving shaft 33 penetrates the suction through hole 34a3 while maintaining a predetermined gap with the suction through hole 34a3, and the bottom fan housing 34a2 is fixedly connected with the fan blades 34a 1. The size and number of the fan blades 34a1 may be selected according to practical requirements, and are not limited in detail herein. It will be understood, of course, that the design of the first impeller 34a is merely a preferred example of an embodiment of the present application, and that other designs known to those skilled in the art may be used in practice, and are not limited thereto.
In a further embodiment, the bottom fan cover 34a2 and the fan blades 34a1 may be connected by a buckle, for example, the bottom fan cover 34a2 is provided with a slot corresponding to the arrangement position of the fan blades 34a1 one by one, and a latch corresponding to the slot one by one is formed on one side of the fan blades 34a1 facing the bottom fan cover 34a 2. The two can be assembled and disassembled more conveniently in a clamping and matching mode, and when a certain fan blade 34a1 is damaged, only the damaged fan blade needs to be replaced, so that the maintenance cost is greatly reduced. It will be understood, of course, that other removable structures, such as fastening means, may be employed in the actual application process; or a non-detachable connection mode, such as an integrally formed structure or a welded connection structure, is adopted, and the selection can be carried out according to specific requirements in the practical application process.
In some more specific embodiments, the fan blade 34a1 may specifically be an L-shaped plate, where the L-shaped plate includes a first plate and a second plate that are vertically connected to each other, the first plate is disposed vertically with respect to the bottom fan housing 34a2, the second plate is disposed parallel with respect to the bottom fan housing 34a2, and a side of the first plate facing the bottom fan housing 34a2 is fixedly connected to the bottom fan housing 34a 2. The fan blade 34a1 is designed into an L-shaped plate, so that the fan blade is simpler and more convenient to process. Of course, the structure of the L-shaped board is merely a preferred example of the present embodiment, and other structural forms may be adopted in the practical application process, which is not limited in more detail herein.
In some more specific embodiments, the air suction through hole 34a3 and the communication port 3c1 are preferably configured in a concentric arrangement; and the diameter of the suction through hole 34a3 is preferably designed smaller than the diameter of the communication port 3c 1. By designing both to be a concentrically arranged structure and the diameter of the suction through-hole 34a3 to be preferably smaller than the diameter of the communication port 3c1, the suction effect of the communication port 3c1 can be facilitated to be improved.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
In addition, in the description of the present application, it should be noted that, if the azimuth or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should also be noted that, in this document, references such as the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in an article or apparatus that comprises such element.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the application. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Claims (9)
1. An oven, characterized by comprising a baking cavity (2), a fan assembly (3) and an oven door plate (4);
the fan assembly (3) comprises a fan housing cover (3 a) and a fan (3 b) arranged on the fan housing cover, the fan housing cover (3 a) is arranged on an outer wall surface (2 a) of the baking cavity (2), a cover wall (3 c) is arranged between the fan housing cover (3 a) and the baking cavity (2), a suction cavity (31) is formed by surrounding the cover wall (3 c) and the outer wall surface (2 a), an air outlet cavity (32) is formed by surrounding the cover wall (3 c) and the fan housing cover (3 a), a driving shaft (33) of the fan (3 b) penetrates through the cover wall (3 c) and a communication opening (3 c 1) is formed in the penetrating position of the cover wall (3 c), the communication opening (3 c 1) is communicated with the suction cavity (31) and the air outlet cavity (32), and cold air inlet (31) communicated with the outside of the fan housing cover (3 a) is formed in the suction cavity (31).
The oven door plate (4) comprises a main door plate area (41) and a circuit board installation area (42) which are isolated from each other;
the main door panel region (41) comprises a first air inlet (11), a first air outlet (12) and an interlayer (1) which are mutually communicated, the first air inlet (11) is communicated with the outside, and the first air outlet (12) is communicated with the suction cavity (31);
the circuit board installation area (42) comprises a second air inlet (21) and a second air outlet (22) which are communicated with each other, the second air inlet (21) is communicated with the air outlet cavity (32), and the second air outlet (22) is communicated with the outside;
in addition, the oven further comprises a housing cover (5) covered on the outer side of the outer wall surface (2 a) and the outer side of the fan housing cover (3 a), a cold air cavity (6) is formed between the outer wall surface (2 a) and the outer side of the fan housing cover (3 a) and the housing cover (5), the cold air cavity (6) is provided with an air inlet grid (61) communicated with the outside air, and the cold air inlet (31 a) is communicated with the cold air cavity (6).
2. Oven according to claim 1, characterized in that the barrier (1) comprises at least two transparent sheets.
3. The oven according to claim 1, characterized in that the main door panel area (41) is opposite to the baking chamber (2), the circuit board mounting area (42) is located at the top of the main door panel area (41), the first air inlet (11) is formed at the bottom of the main door panel area (41), the first air outlet (12) is formed at the top of the main door panel area (41), and the first air outlet (12) is opened toward the suction chamber (31).
4. The oven according to claim 3, characterized in that said second air outlet (22) is provided in the wall of said second air inlet (21).
5. The oven according to claim 3, characterized in that the second air outlet (22) is provided in the wall surface of the top of the circuit board mounting area (42).
6. The oven according to claim 1, characterized in that the peripheral edge of the second air inlet (21) is provided with a sealing ring (23), said second air inlet (21) being in communication with and sealing against the air outlet cavity (32) when the oven door panel (4) covers the oven.
7. The oven according to claim 6, characterized in that the sealing ring (23) separates the second air inlet (21) from the second air outlet (22).
8. The oven according to claim 6, characterized in that the sealing ring (23) separates the second air inlet (21) from the first air outlet (12).
9. Oven according to claim 1, characterized in that a rib (13) is arranged below the first air outlet (12), and that the first air outlet (12) is in communication with the suction cavity (31) and sealed when the oven door panel (4) covers the oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111666320.7A CN114176423B (en) | 2021-12-31 | 2021-12-31 | Oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111666320.7A CN114176423B (en) | 2021-12-31 | 2021-12-31 | Oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114176423A CN114176423A (en) | 2022-03-15 |
| CN114176423B true CN114176423B (en) | 2023-09-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111666320.7A Active CN114176423B (en) | 2021-12-31 | 2021-12-31 | Oven |
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| Country | Link |
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| CN (1) | CN114176423B (en) |
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