CN110652224A - Cooking utensil - Google Patents
Cooking utensil Download PDFInfo
- Publication number
- CN110652224A CN110652224A CN201910993452.7A CN201910993452A CN110652224A CN 110652224 A CN110652224 A CN 110652224A CN 201910993452 A CN201910993452 A CN 201910993452A CN 110652224 A CN110652224 A CN 110652224A
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- China
- Prior art keywords
- hot air
- air
- cover
- hot
- hood
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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
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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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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
The present invention provides a cooking appliance, comprising: a housing; the hot air cover is arranged in the shell, a cooking space is formed inside the hot air cover, and an air channel is formed by a gap between the hot air cover and the shell; the hot air assembly is arranged in the air duct; the air return opening is arranged on the top wall of the hot air cover and is communicated with the air channel and the interior of the hot air cover; the air outlet is arranged on the peripheral side wall of the hot air cover and communicated with the air channel and the inside of the hot air cover. According to the cooking utensil provided by the invention, the air return opening is formed in the top wall of the hot air cover, the air outlets are formed in the peripheral side walls of the hot air cover, the air return opening and the air outlets can be communicated with the air channel and the interior of the hot air cover, hot air is formed when the hot air assembly operates and circulates in the air channel and the hot air cover, and the air outlets are formed in the peripheral side walls of the hot air cover, so that a flow field formed when the hot air flows in the hot air cover is smooth, the temperature distribution in the hot air cover is uniform, and the cooking precision of the cooking utensil is improved.
Description
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a cooking appliance.
Background
With the diversification of diet and the introduction of foreign cooking modes, ovens are more and more common in kitchens of people, and in the ovens, the uniformity of temperature in the ovens is mainly considered, which is one of important indexes for evaluating one oven. The existing product uses a fan to blow wind through a heating pipe, heated air flows into a cooking space through an air outlet on a hot air cover, flows in the cooking space for heat exchange, and then flows back to the fan through an air return port on the hot air cover to form circulation. However, in the prior art, the air outlet and the air return opening are both located on the same side of the hot air cover, so that the hot air in the cooking space of the oven flows unevenly due to the arrangement, the temperature uniformity in the cooking space is poor, and the cooking effect of the oven is affected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, an aspect of the present invention is to provide a cooking appliance.
In view of the above, according to one aspect of the present invention, there is provided a cooking appliance, including: a housing; the hot air cover is arranged in the shell, a cooking space is formed inside the hot air cover, and an air channel is formed by a gap between the hot air cover and the shell; the hot air assembly is arranged in the air duct; the air return opening is arranged on the top wall of the hot air cover and is communicated with the air channel and the interior of the hot air cover; and the air outlet is arranged on the peripheral side wall of the hot air cover and is communicated with the air channel and the inside of the hot air cover.
The cooking utensil provided by the invention comprises a shell, a hot air cover, a hot air assembly, an air return opening and an air outlet, wherein the hot air cover is arranged in the shell, a cooking space is formed in the hot air cover, a gap is formed between the outer wall of the hot air cover and the inner wall of the shell without being adhered, the gap forms an air duct, the hot air assembly is arranged in the air duct, the air return opening is arranged on the top wall of the hot air cover, the air outlets are arranged on the peripheral side walls of the hot air cover, the air return opening and the air outlets can be communicated with the air duct and the interior of the hot air cover, hot air is formed when the hot air assembly operates and circulates in the air duct and the hot air cover, and the air outlets are arranged on the peripheral side walls of the hot air cover, so that a flow field formed when hot air flows in the hot air cover is smooth, and. Specifically, the hot-blast air that hot-blast subassembly formed gets into to the inside of hot-blast cover through the air outlet that sets up on the lateral wall all around of hot-blast cover by the wind channel, and the wind channel is got back to through the return air inlet that sets up on the roof of hot-blast cover to the inside of hot-blast cover again, thereby form the circulation, the flow field that forms when making hot-blast in hot-blast cover flow is smooth and easy, thereby make the temperature distribution in the hot-blast cover even, and then make edible material by the even heating in hot-blast cover, promote cooking utensil's culinary art precision.
In the description of the present invention, it should be noted that the "cooking appliance" mentioned in the present invention may include any cooking device capable of cooking food using the technical solution of the present invention, including but not limited to a hot air microwave oven and an oven.
In addition, the cooking utensil in the technical scheme provided by the invention can also have the following additional technical characteristics:
in one possible design, the air outlets on different side walls of the hot air hood are located at the same height on the hot air hood.
In this design, the air outlets on the different lateral walls of hot-blast cover are located highly the same on the hot-blast cover for hot-blast when setting up the air outlet formation circulation on the lateral wall all around of hot-blast cover, hot-blast can be at the partial direction of height of hot-blast cover on even flow, thereby make the temperature distribution in the interior part height of hot-blast cover even, and then make edible material can by the even heating in hot-blast cover, promote cooking utensil's culinary art precision.
In one possible design, the number of the air outlets on each side wall of the hot air hood is multiple, and the air outlets are distributed along the height direction of the side wall of the hot air hood; the air outlets on different side walls of the hot air cover are in one-to-one correspondence, and the heights of the air outlets in one-to-one correspondence on the hot air cover are the same.
In this design, have a plurality of air outlets on setting up every lateral wall of hot-blast cover, and the direction of height of the lateral wall of hot-blast cover is followed to a plurality of air outlets for the air outlet occupies the most height of hot-blast cover, thereby makes food can both heat uniformly no matter what height put in hot-blast cover, thereby has promoted cooking utensil's culinary art precision. Further, one-to-one correspondence between a plurality of air outlets on different lateral walls of the hot air cover, the air outlets of one-to-one correspondence are located on the hot air cover and are the same in height, the air outlets are one-to-one correspondence on each height plane in the space inside the hot air cover, the hot air flowing phase on each height plane is regular, the flow field formed when hot air flows in the hot air cover is smooth, the temperature distribution in the hot air cover is uniform, food materials are uniformly heated in the hot air cover, and the cooking precision of a cooking appliance is improved.
In one possible design, the air outlets on the peripheral side walls of the hot air hood are distributed in a rotationally symmetrical manner around the center line of the hot air hood in the vertical direction.
In the design, the air outlets on the peripheral side walls of the hot air hood are rotationally and symmetrically distributed around the central line of the hot air hood in the vertical direction. That is, the hot air cover and the air outlets arranged on the peripheral side walls of the hot air cover are jointly used as an initial structure, the hot air cover rotates around the central line of the hot air cover along the vertical direction by a preset angle and then is superposed with the initial structure, wherein the preset angle is larger than 0 degree and smaller than 360 degrees. The utility model discloses a hot-blast cover of cooking utensil, including hot-blast cover, the hot-blast even rule of flowing of every height plane in the space of hot-blast cover inside, the flow field that forms when making hot-blast cover flow is smooth and easy to make the temperature distribution in the hot-blast cover even, and then make edible material by the even heating in the hot-blast cover, promote cooking utensil's culinary art precision. Further, in the present design, the predetermined angle is 180 °, that is, the hot air hood rotates 180 ° around the center line of the hot air hood in the vertical direction and then coincides with the initial structure.
In one possible design, the air outlet is a plurality of round holes distributed at intervals, and the round holes are uniformly distributed on the side wall of the hot air cover along the height direction of the side wall of the hot air cover; or the air outlet is at least one crack, and the length direction of the crack is arranged along the height direction of the side wall of the hot air cover.
In the design, the air outlet is a plurality of round holes which are distributed on the side wall of the hot air cover at intervals, and the round holes have simple structure and are easy to process and produce; furthermore, a plurality of round holes are uniformly distributed on the side wall of the hot air cover along the height direction of the side wall of the hot air cover; or the air outlet is at least one crack, namely the air outlet is a strip-shaped through hole arranged on the side wall of the hot air cover, furthermore, the length direction of the crack is arranged along the height direction of the side wall of the hot air cover, the number of the cracks can be one, and the length of one crack is slightly smaller than the height of the side wall of the hot air cover; of course, the number of the gaps can be multiple, and the multiple gaps are distributed on the side wall of the hot air cover at intervals.
In one possible design, the sum of the areas of the air outlets on the side wall of each hot air hood is less than or equal to 1/4 of the area of the side wall of the corresponding hot air hood.
In this design, set up 1/4 that the area sum less than or equal to of the air outlet on the lateral wall of every hot-blast cover corresponds the lateral wall area of hot-blast cover, in this scope, can guarantee that the inside of hot-blast cover can form the air flow effectively, avoid the too big air outlet area to cause to form the convection current and influence the hot-blast flow field in the hot-blast cover between the air outlet on two relative lateral walls of hot-blast cover, thereby make the smooth and easy flow field that forms when hot-blast flows in hot-blast cover, make the temperature distribution in the hot-blast cover even, and then make the edible material by the even heating in hot-blast cover, promote cooking utensil's culinary art precision.
In a possible design, the joint of two adjacent side walls of the hot air hood forms a side edge of the side wall of the hot air hood, any side wall of the hot air hood comprises a first side edge and a second side edge which are oppositely arranged, the air outlet is arranged on the side wall of the hot air hood, close to the first side edge and far away from the second side edge, and the maximum distance between the air outlet and the first side edge of the hot air hood is less than or equal to 1/4 of the length of the side wall of the hot air hood.
In the design, the connecting part of two adjacent side walls of the hot air cover forms the side edge of the side wall of the hot air cover, any side wall of the hot air cover comprises a first side edge and a second side edge which are oppositely arranged, the air outlet is close to the first side edge on the side wall of the hot air cover and is distributed far away from the second side edge, and the maximum distance between the air outlet and the first side edge of the hot air cover is less than or equal to 1/4 of the length of the side wall of the hot air cover. That is, the air outlets are distributed on the peripheral side walls of the hot air cover, the maximum distance between the air outlet distributed on each side wall of the hot air cover and the first side edge of the side wall of the hot air cover is smaller than 1/4 equal to the length of the side wall of the hot air cover, the air outlets are distributed in the range by limiting, the phenomenon that convection is formed between the air outlets on two opposite side walls of the hot air cover due to the scattered distribution of the air outlets to influence the flow field of hot air in the hot air cover can be avoided, effective air flow can be formed in the hot air cover, the flow field formed when the hot air flows in the hot air cover is smooth, the temperature distribution in the hot air cover is uniform, food materials are uniformly heated in the hot air cover, and the cooking precision of a cooking appliance is improved.
In one possible design, the hot air assembly includes: the fan is arranged at the top of the hot air cover; and the heating device is arranged on the periphery of the fan.
In the design, the hot air assembly comprises a fan and a heating device, the heating device can heat air in the air channel, and the fan operates to enable the heated air to form hot air to circulate between the air channel and the hot air cover; further, the fan is arranged at the top of the hot air hood, and the heating device is arranged on the periphery of the fan.
In one possible design, the air return opening is a plurality of round holes distributed at intervals, and the round holes are uniformly distributed on the top wall of the hot air cover.
In the design, the return air inlets are preferably a plurality of round holes distributed on the top wall of the hot air cover at intervals, and the round holes are simple in structure and easy to process and produce.
In one possible design, the fan is disposed above the return air opening.
In the design, the fan is preferably arranged right above the air return opening, so that the circulation of hot air is facilitated.
In one possible design, the heating device is a heating pipe, and the heating pipe is wound on the periphery of the fan.
In the design, the heating device is preferably a heating pipe which has the advantages of simple structure, low cost, high thermal efficiency and good mechanical strength; further, the heating pipe coils the periphery that sets up at the fan for the heating pipe can preferentially heat the air that is located around the fan, thereby can promote hot-blast subassembly and form hot-blast efficiency.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural view of a cooking appliance according to an embodiment of the present invention;
fig. 2 shows a partial structural schematic view of a cooking appliance according to an embodiment of the present invention;
fig. 3 shows another structural schematic diagram of a cooking appliance according to an embodiment of the present invention;
FIG. 4 is a diagram showing velocity vectors within a hot air hood of a cooking appliance of the related art;
FIG. 5 shows a velocity vector diagram within a hot air hood of a cooking appliance according to one embodiment of the present invention;
FIG. 6 is a cloud of temperature profiles within a hot air hood of a cooking appliance of the related art;
fig. 7 shows a cloud of temperature profiles within a hot air hood of a cooking appliance according to one embodiment of the invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
1 cooking utensil, 10 casing, 20 hot air cover, 30 hot air component, 302 fan, 304 heating device, 40 return air inlet, 50 air outlet.
Detailed Description
So that the manner in which the above recited aspects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A cover assembly and a cooking appliance according to some embodiments of the present invention will be described with reference to fig. 1 to 7.
Example one
As shown in fig. 1 to 3, according to a first aspect of the present invention, there is provided a cooking appliance 1 including: the air conditioner comprises a shell 10, a hot air cover 20, a hot air assembly 30, an air return opening 40 and an air outlet 50.
Specifically, as shown in fig. 1 and 2, the hot air hood 20 is disposed in the housing 10, the inside of the hot air hood 20 is formed as a cooking space, a gap between the hot air hood 20 and the housing 10 forms an air duct, the hot air assembly 30 is disposed in the air duct, the air return opening 40 is disposed on the top wall of the hot air hood 20, the air return opening 40 communicates the air duct with the inside of the hot air hood 20, the air outlet 50 is disposed on the peripheral side wall of the hot air hood 20, and the air outlet 50 communicates the air duct with the inside of the hot air hood 20.
The cooking utensil 1 provided by the invention comprises a shell 10, a hot air cover 20, a hot air component 30, an air return opening 40 and an air outlet 50, wherein, the hot air cover 20 is arranged in the housing 10, the interior of the hot air cover 20 is formed into a cooking space, and a gap is formed between the outer wall of the hot air cover 20 and the inner wall of the housing 10 without being adhered, the gap forms an air duct, the hot air component 30 is arranged in the air duct, the top wall of the hot air cover 20 is provided with an air return opening 40, the peripheral side walls of the hot air cover 20 are provided with air outlets 50, moreover, the air return opening 40 and the air outlet 50 can be communicated with the air duct and the interior of the hot air cover 20, hot air is formed when the hot air component 30 operates and circulates in the air duct and the hot air cover 20 to form circulation, the air outlets 50 are disposed on the peripheral side walls of the hot air hood 20, so that a flow field formed when hot air flows in the hot air hood 20 is smooth, and the temperature distribution in the hot air hood 20 is uniform. Specifically, the hot air formed by the hot air component 30 enters the inside of the hot air cover 20 through the air channel via the air outlets 50 arranged on the peripheral side wall of the hot air cover 20, and then returns to the air channel through the air return opening 40 arranged on the top wall of the hot air cover 20 from the inside of the hot air cover 20, so as to form circulation, so that a flow field formed when the hot air flows in the hot air cover 20 is smooth, so that the temperature in the hot air cover 20 is uniformly distributed, further, the food material is uniformly heated in the hot air cover 20, and the cooking precision of the cooking appliance 1 is improved.
In the description of the present invention, it should be noted that the "cooking appliance 1" mentioned in the present invention may include any cooking device capable of cooking food using the embodiments of the present invention, including but not limited to a hot air microwave oven and an oven.
Example two
As shown in fig. 1 to fig. 3, in any of the above embodiments, the air outlets 50 on different sidewalls of the hot air hood 20 are located at the same height on the hot air hood 20. In this embodiment, the heights of the air outlets 50 on different side walls of the hot air hood 20 are the same, so that when hot air circulates through the air outlets 50 formed on the peripheral side walls of the hot air hood 20, the hot air can uniformly flow in the partial height direction of the hot air hood 20, so that the temperature distribution in the partial height direction of the hot air hood 20 is uniform, food materials can be uniformly heated in the hot air hood 20, and the cooking precision of the cooking appliance is improved.
As shown in fig. 1 and fig. 2, further, the number of the air outlets 50 on each side wall of the hot air hood 20 is plural, and the plural air outlets 50 are distributed along the height direction of the side wall of the hot air hood 20; the air outlet occupies most height of the hot air cover, so that food can be uniformly heated in the hot air cover no matter what height the food is placed at, and the cooking precision of the cooking appliance is improved.
As shown in fig. 1 and fig. 2, the air outlets 50 on different side walls of the hot air hood 20 are in one-to-one correspondence, and the heights of the air outlets 50 on the hot air hood 20 are the same. Make air outlet 50 one-to-one on every high plane in the inside space of hot-blast cover 20, the hot-blast homogeneous phase of flowing on every high plane is relative law for the flow field that forms when hot-blast flows in hot-blast cover 20 is smooth and easy, thereby makes the temperature distribution in the hot-blast cover 20 even, and then makes the edible material by the even heating in hot-blast cover 20, promotes cooking utensil 1's culinary art precision.
As shown in fig. 1 and fig. 3, further, the air outlets 50 on the peripheral side walls of the hot air hood 20 are rotationally symmetrically distributed around the center line of the hot air hood 20 in the vertical direction, that is, the hot air hood 20 and the air outlets 50 disposed on the peripheral side walls thereof are used as an initial structure, and the hot air hood 20 rotates around the center line of the hot air hood 20 in the vertical direction by a preset angle and then coincides with the initial structure, wherein the preset angle is greater than 0 ° and smaller than 360 °. The utility model has the advantages of make through the lateral wall overall arrangement all around to hot-blast cover 20, hot-blast flowing homogeneous phase is relative law on every high plane in the inside space of hot-blast cover 20 for the flow field that forms when hot-blast flows in hot-blast cover 20 is smooth and easy, thereby makes the temperature distribution in hot-blast cover 20 even, and then makes the edible material by the even heating in hot-blast cover 20, promotes cooking utensil 1's culinary art precision. Further, in the present design, the predetermined angle is 180 °, that is, the hot air hood 20 is rotated 180 ° around the center line of the hot air hood 20 in the vertical direction to coincide with the initial structure.
As shown in fig. 1 to fig. 3, the air outlet 50 is a plurality of round holes distributed at intervals, and the round holes are uniformly distributed on the side wall of the hot air hood 20 along the height direction of the side wall of the hot air hood 20; specifically, the air outlet 50 is a plurality of round holes distributed at intervals on the side wall of the hot air cover 20, and the round holes have simple structure and are easy to process and produce; further, a plurality of circular holes are uniformly distributed on the side wall of the hot air hood 20 along the height direction of the side wall of the hot air hood 20.
As shown in fig. 1 to fig. 3, further, the air outlet 50 is at least one slit, that is, the air outlet 50 is a strip-shaped through hole disposed on the sidewall of the hot air hood 20, further, the length direction of the slit is disposed along the height direction of the sidewall of the hot air hood 20, the number of the slits may be one, and the length of one slit is slightly smaller than the height of the sidewall of the hot air hood 20; of course, the number of the slits may be plural, and the plural slits are distributed at intervals on the side wall of the hot air hood 20.
As shown in fig. 1 to 3, further, the total area of the air outlets 50 on the side walls of each hot air hood 20 is less than or equal to 1/4 corresponding to the area of the side walls of the hot air hood 20, within this range, effective air flow can be ensured inside the hot air hood 20, and it is avoided that convection is formed between the air outlets 50 on the two opposite side walls of the hot air hood 20 due to the too large area of the air outlets 50 to affect the flow field of the hot air inside the hot air hood 20, so that the flow field formed when the hot air flows inside the hot air hood 20 is smooth, the temperature inside the hot air hood 20 is uniformly distributed, and the food materials are uniformly heated in the hot air hood 20, thereby improving the cooking precision of the cooking appliance 1.
As shown in fig. 1 to fig. 3, further, a connection portion between two adjacent side walls of the hot air hood 20 forms a side edge of the side wall of the hot air hood 20, any side wall of the hot air hood 20 includes a first side edge and a second side edge which are oppositely disposed, the air outlet 50 is located on the side wall of the hot air hood 20 near the first side edge and distributed away from the second side edge, and a maximum distance between the air outlet 50 and the first side edge of the hot air hood 20 is less than 1/4 which is equal to a length of the side wall of the hot air hood 20. That is, the air outlets 50 are distributed on the peripheral side walls of the hot air hood 20, and the maximum distance between the air outlet 50 distributed on each side wall of the hot air hood 20 and the first side edge of the side wall of the hot air hood 20 is less than or equal to 1/4 of the length of the side wall of the hot air hood 20, by limiting the distribution of the air outlets 50 in this range, it can be avoided that convection current is formed between the air outlets 50 on the two opposite side walls of the hot air hood 20 due to the scattered distribution of the air outlets 50 to affect the flow field of hot air in the hot air hood 20, so that effective air flow can be formed inside the hot air hood 20, and the flow field formed when hot air flows in the hot air hood 20 is smooth, so that the temperature distribution in the hot air hood 20 is uniform, and further food materials are uniformly heated in the hot air hood 20, thereby improving the cooking.
Specifically, as shown in fig. 1 to 3, the cooking device 1 provided by the present invention arranges the air outlets 50 on the peripheral side walls of the hot air hood 20, and the air outlets 50 on the peripheral side walls are rotationally symmetric, so that the flow of the hot air on each height plane in the space inside the hot air hood 20 is relatively regular, as shown in fig. 5 and 7, the flow field formed when the hot air flows in the hot air hood 20 is smooth, the temperature distribution in the hot air hood 20 is uniform, and thus the food material is uniformly heated in the hot air hood 20, and the cooking precision of the cooking device 1 is improved.
It should be noted that, in most cooking appliances in the related art, the air outlet and the air return opening are both disposed on the same side of the hot air hood, as shown in fig. 4 and 6, which causes the hot air generated by the hot air assembly of the cooking appliance in the related art to flow in the cooking space with an uneven flow field, as shown at a in fig. 4; in addition, hot air cannot flow to each position in the cooking space, so that the temperature distribution in the cooking space is uneven, and the cooking effect of food materials is affected.
EXAMPLE III
As shown in fig. 1 to 3, in any of the above embodiments, the hot air assembly 30 includes: the fan 302 is arranged at the top of the hot air hood 20; and the heating device 304 is arranged on the periphery of the fan 302.
In this embodiment, the hot air assembly 30 includes a fan 302 and a heating device 304, the heating device 304 is capable of heating air in the air duct, the fan 302 operates to make the heated air form hot air to circulate between the air duct and the hot air hood 20; further, a fan 302 is arranged on the top of the hot air hood 20, and a heating device 304 is arranged on the periphery of the fan 302.
Further, the air return opening 40 is a plurality of round holes distributed at intervals, the round holes are uniformly distributed on the top wall of the hot air cover 20, and the round holes are simple in structure and easy to process and produce.
Further, the fan 302 is preferably disposed right above the return air inlet 40, so as to facilitate the circulation of hot air.
Further, the heating device 304 is a heating pipe, and the heating pipe is coiled on the outer periphery of the blower 302. The heating pipe has the advantages of simple structure, low cost, high thermal efficiency and good mechanical strength; further, the heating pipe is wound around the outer circumference of the blower 302, so that the heating pipe can preferentially heat the air around the blower 302, thereby improving the efficiency of the hot air assembly 30 in forming hot air.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cooking appliance, comprising:
a housing;
the hot air cover is arranged in the shell, a cooking space is formed in the hot air cover, and an air channel is formed in a gap between the hot air cover and the shell;
the hot air assembly is arranged in the air duct;
the air return opening is arranged on the top wall of the hot air cover and is communicated with the air duct and the interior of the hot air cover;
and the air outlet is arranged on the peripheral side wall of the hot air cover and communicated with the air channel and the inside of the hot air cover.
2. The cooking appliance of claim 1,
the air outlets on different side walls of the hot air cover are positioned on the same height of the hot air cover.
3. The cooking appliance according to claim 2, wherein the number of the air outlets on each side wall of the hot air hood is plural, and the plural air outlets are distributed along the height direction of the side wall of the hot air hood; the air outlets on different side walls of the hot air cover are in one-to-one correspondence, and the heights of the air outlets in the one-to-one correspondence on the hot air cover are the same.
4. The cooking appliance of claim 1, wherein said air outlets on said peripheral side walls of said hot air hood are rotationally symmetric about a vertical center line of said hot air hood.
5. The cooking appliance of claim 1,
the air outlet is a plurality of round holes which are distributed at intervals, and the round holes are uniformly distributed on the side wall of the hot air cover along the height direction of the side wall of the hot air cover; or
The air outlet is at least one crack, and the length direction of the crack is arranged along the height direction of the side wall of the hot air cover.
6. The cooking appliance of claim 1,
the sum of the areas of the air outlets on the side wall of each hot air hood is less than or equal to 1/4 corresponding to the area of the side wall of the hot air hood.
7. The cooking appliance of claim 1,
the hot air cover comprises a hot air cover body and an air outlet, wherein the hot air cover body is provided with a first side edge and a second side edge, the first side edge and the second side edge are opposite, the air outlet is arranged on the side wall of the hot air cover body, the first side edge is close to the second side edge, the air outlet is far away from the second side edge, and the maximum distance between the air outlet and the first side edge of the hot air cover body is smaller than 1/4 which is equal to the length of the side wall of the hot air cover body.
8. The cooking appliance of any one of claims 1 to 7, wherein the hot air assembly comprises:
the fan is arranged at the top of the hot air cover;
and the heating device is arranged on the periphery of the fan.
9. The cooking appliance according to any one of claims 1 to 7,
the air return opening is a plurality of round holes distributed at intervals, and the round holes are uniformly distributed on the top wall of the hot air cover.
10. The cooking appliance of claim 8,
the heating device is a heating pipe, and the heating pipe is wound on the periphery of the fan.
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| CN201910993452.7A CN110652224A (en) | 2019-10-18 | 2019-10-18 | Cooking utensil |
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| JPH04281112A (en) * | 1990-11-05 | 1992-10-06 | Specialty Equip Co Inc | Forced air convection oven |
| CN204100319U (en) * | 2014-09-26 | 2015-01-14 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN105832176A (en) * | 2016-06-14 | 2016-08-10 | 张毅蔚 | Centripetal airflow oven |
| CN205783136U (en) * | 2016-05-20 | 2016-12-07 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN107289472A (en) * | 2017-06-15 | 2017-10-24 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04281112A (en) * | 1990-11-05 | 1992-10-06 | Specialty Equip Co Inc | Forced air convection oven |
| CN204100319U (en) * | 2014-09-26 | 2015-01-14 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN205783136U (en) * | 2016-05-20 | 2016-12-07 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN105832176A (en) * | 2016-06-14 | 2016-08-10 | 张毅蔚 | Centripetal airflow oven |
| CN107289472A (en) * | 2017-06-15 | 2017-10-24 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
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