CN218773760U - Heated air circulation's oven - Google Patents
Heated air circulation's oven Download PDFInfo
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- CN218773760U CN218773760U CN202221887458.XU CN202221887458U CN218773760U CN 218773760 U CN218773760 U CN 218773760U CN 202221887458 U CN202221887458 U CN 202221887458U CN 218773760 U CN218773760 U CN 218773760U
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Abstract
The utility model discloses a heated air circulation's oven, including oven main part and chamber door, be provided with roast chamber, heating main part, circulating air fan, air current layer, insulating layer, wind-guiding hole, oven fresh air inlet and oven exhaust vent in the oven main part, the chamber door includes cavity air current chamber and chamber door fresh air inlet, chamber door exhaust vent. The heating main body heats the interior of the baking cavity to heat air in the baking cavity, and meanwhile, the circulating airflow fan is started to drive the air in the baking cavity to flow, the air in the baking cavity forms airflow circulation along the sequence of the baking cavity, the airflow layer, the oven air outlet hole, the oven door air inlet hole, the hollow airflow layer, the oven door air outlet hole, the oven air inlet hole, the airflow layer and the baking cavity, so that heat can be transferred to the surface of food more quickly, hot air forms a hot air curtain in the hollow airflow layer, and the heat in the baking cavity is blocked by the hot air curtain and is not easily dissipated to the outer side of the oven door, so that the heat efficiency is higher.
Description
Technical Field
The utility model relates to an oven field, especially a heated air circulation's oven.
Background
The oven is one of the equipment for baking food, and the current air circulation heating type oven generally has two types, one type is to absorb outside air and then heat the air, then the air is blown into the oven cavity to heat the food, the heated air is directly blown out to the outer side of the oven, the heat efficiency of the oven is low, a lot of hot air is wasted because the hot air is blown out to the outside, the other type is to relatively seal the space in the oven cavity, the air in the oven cavity is driven to circulate by a fan, and the air quantity which can be heated by a heater is relatively small due to the relatively small space in the oven cavity, so the power which can be born by the heater is limited.
And the door of oven is the weak point that hinders heat generally, and the heat in the oven forms the heat transfer through door department very easily, and then leads to the air heat in the oven to be wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a heated air circulation oven with higher thermal efficiency and faster food baking speed.
The utility model discloses a technical scheme that the solution problem adopted is: a hot air circulating oven comprising:
the oven comprises an oven main body, wherein the oven main body comprises a baking cavity with a front opening, a boss is arranged at the front end of the oven main body, a heating main body positioned in the baking cavity is arranged on the oven main body, an airflow layer surrounding the periphery of the baking cavity is arranged on the oven main body, at least one air guide hole communicated with the baking cavity is arranged on the inner wall of the airflow layer, an oven air outlet hole communicated with the airflow layer is arranged on the lower end face of the boss, an oven air inlet hole communicated with the airflow layer is arranged on the front end face of the oven main body, a circulating airflow fan communicated with the airflow layer is arranged on the rear end face of the baking cavity, and a heat insulation layer positioned at the periphery of the airflow layer is arranged on the oven main body;
the oven door is pivoted at the front end of the oven main body and used for opening and closing the oven cavity, the oven door is closed during the oven cavity, the upper surface of the oven door is positioned under the boss, a hollow airflow cavity is formed in the middle of the oven door, the upper end of the hollow airflow cavity is provided with an oven door air inlet hole which is positioned on the upper surface of the oven door and is just opposite to the oven air outlet hole, the lower end of the hollow airflow cavity is provided with an oven door air outlet hole which is positioned at the lower end of the oven door and is just opposite to the oven air inlet hole, and the upper end and the lower end of the oven door are provided with sealing rings surrounding the periphery of the oven door air inlet hole and the oven door air outlet hole.
As a further improvement of the technical scheme, the circulating airflow fan is arranged in the middle of the rear end face of the baking cavity, the number of the air guide holes is multiple, and the air guide holes are arranged on the rear end face of the baking cavity and are positioned above and below the circulating airflow fan.
As a further improvement of the technical scheme, the box door is a transparent glass door.
The utility model has the advantages that: the heating main body heats the interior of the baking cavity to heat the air in the baking cavity, and meanwhile, the circulating airflow fan is started to drive the air in the baking cavity to flow, the air in the baking cavity forms airflow circulation along the sequence of the baking cavity, the airflow layer, the oven air outlet hole, the oven door air inlet hole, the hollow airflow layer, the oven door air outlet hole, the oven air inlet hole, the airflow layer and the baking cavity, so that the hot air continuously flows on the surface of food, the heat transfer efficiency does not depend on the temperature difference between the air and the surface of the food, but also depends on the heat transfer effect brought by the air flow, and the faster the flow rate, the higher the heat transfer efficiency is, and the heat can be transferred to the surface of the food more quickly. Meanwhile, hot air forms a hot air curtain in the hollow air flow cavity, so that heat in the baking cavity is blocked by the hot air curtain, and further the heat is not easy to be dissipated to the outer side of the oven door, and the heat efficiency is higher.
Drawings
The invention will be further explained with reference to the description of the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, an oven with circulation of hot wind includes:
the oven comprises an oven body 10, the oven body 10 comprises a baking cavity 11 with a front opening, a boss is arranged at the front end of the oven body 10, a heating body positioned in the baking cavity 11 is arranged on the oven body 10, an airflow layer 12 surrounding the periphery of the baking cavity 11 is arranged on the oven body 10, at least one air guide hole 40 communicated with the baking cavity 11 is arranged on the inner wall of the airflow layer 12, an oven air outlet hole 121 communicated with the airflow layer 12 is arranged on the lower end face of the boss, an oven air inlet hole 122 communicated with the airflow layer 12 is arranged on the front end face of the oven body 10, a circulating airflow fan 30 communicated with the airflow layer 12 is arranged on the rear end face of the baking cavity 11, and a heat insulation layer 13 positioned on the periphery of the airflow layer 12 is arranged on the oven body 10;
the oven door 20 is pivotally connected to the front end of the oven main body 10 to open and close the baking chamber 11, when the oven door 20 closes the baking chamber 11, the upper surface of the oven door 20 is located under the boss, a hollow airflow chamber 21 is formed in the middle of the oven door 20, the upper end of the hollow airflow chamber 21 is provided with an oven door air inlet 211 located on the upper surface of the oven door 20 and facing the oven air outlet 121, the lower end of the hollow airflow chamber 21 is provided with an oven door air outlet 212 located at the lower end of the oven door 20 and facing the oven air inlet 122, and the upper end and the lower end of the oven door 20 are provided with sealing rings surrounding the peripheries of the oven door air inlet 211 and the oven door air outlet 212.
The heating main body heats the interior of the baking cavity 11 to heat the air in the baking cavity 11, and meanwhile, the circulating airflow fan 30 is started to drive the air in the baking cavity 11 to flow, and the air in the baking cavity 11 forms airflow circulation along the sequence of the baking cavity 11, the airflow layer 12, the oven air outlet 121, the oven door air inlet 211, the hollow airflow layer 12, the oven door air outlet 212, the oven air inlet 122, the airflow layer 12 and the baking cavity 11, so that the hot air continuously flows on the surface of the food, the heat transfer efficiency does not depend on the temperature difference between the air and the surface of the food, and also depends on the heat transfer effect brought by the air flow, the flow rate is faster, the heat transfer efficiency is higher, and the heat can be transferred to the surface of the food more quickly. Meanwhile, the hot air forms a hot air curtain in the hollow air flow cavity 21, so that heat in the baking cavity 11 is blocked by the hot air curtain and is not easily dissipated to the outer side of the box door 20, and the thermal efficiency is higher.
Preferably, the circulating airflow fan 30 is disposed in the middle of the rear end surface of the baking cavity 11, the number of the air guiding holes 40 is several, and the air guiding holes 40 are disposed on the rear end surface of the baking cavity 11 and located above and below the circulating airflow fan 30.
In order to facilitate the observation of the food in the broiling cavity 11, the door 20 is preferably a transparent glass door.
The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (3)
1. A heated air circulating oven comprising:
the oven comprises an oven main body (10), the oven main body (10) comprises a baking cavity (11) with a front opening, a boss is arranged at the front end of the oven main body (10), a heating main body positioned in the baking cavity (11) is arranged on the oven main body (10), an airflow layer (12) surrounding the periphery of the baking cavity (11) is arranged on the oven main body (10), at least one air guide hole (40) communicated with the baking cavity (11) is arranged on the inner wall of the airflow layer (12), an oven air outlet hole (121) communicated with the airflow layer (12) is arranged on the lower end face of the boss, an oven air inlet hole (122) communicated with the airflow layer (12) is arranged on the front end face of the oven main body (10), a circulating airflow fan (30) communicated with the airflow layer (12) is arranged on the rear end face of the baking cavity (11), and a heat insulation layer (13) positioned on the periphery of the airflow layer (12) is arranged on the oven main body (10);
the oven comprises an oven door (20), the oven door (20) is pivoted to the front end of an oven main body (10) and used for opening and closing the baking cavity (11), when the oven door (20) is closed the baking cavity (11), the upper surface of the oven door (20) is positioned under the boss, a hollow airflow cavity (21) is formed in the middle of the oven door (20), an oven door air inlet hole (211) which is positioned on the upper surface of the oven door (20) and is right opposite to an oven air outlet hole (121) is formed in the upper end of the hollow airflow cavity (21), an oven door air outlet hole (212) which is positioned at the lower end of the oven door (20) and is right opposite to the oven air inlet hole (122) is formed in the lower end of the oven door (21), and sealing rings surrounding the air inlet hole (211) and the periphery of the oven door air outlet hole (212) are arranged at the upper end and the lower end of the oven door (20).
2. A hot air circulating oven as claimed in claim 1, wherein:
the circulating airflow fan (30) is arranged in the middle of the rear end face of the baking cavity (11), the air guide holes (40) are a plurality of, and the air guide holes (40) are arranged on the rear end face of the baking cavity (11) and are located above and below the circulating airflow fan (30).
3. The hot air circulating oven as claimed in claim 1, wherein:
the box door (20) is a transparent glass door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221887458.XU CN218773760U (en) | 2022-07-20 | 2022-07-20 | Heated air circulation's oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221887458.XU CN218773760U (en) | 2022-07-20 | 2022-07-20 | Heated air circulation's oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218773760U true CN218773760U (en) | 2023-03-31 |
Family
ID=85708253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221887458.XU Active CN218773760U (en) | 2022-07-20 | 2022-07-20 | Heated air circulation's oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218773760U (en) |
-
2022
- 2022-07-20 CN CN202221887458.XU patent/CN218773760U/en active Active
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| GR01 | Patent grant |