阅读说明：本技术 烹饪器具 (Cooking utensil ) 是由 裴杰 于 2020-11-30 设计创作，主要内容包括：本发明提供了一种烹饪器具。其中,烹饪器具包括：本体,本体包括工作腔,工作腔设置有至少三个进风口；风道结构,设置于本体,并通过进风口与工作腔相连通；驱动装置,设置于风道结构内,被配置为用于通过进风口从至少三个方向为工作腔送风。本发明的烹饪器具,可以使得风道结构配合至少三个进风口向工作腔送风,增强工作腔内气流的扰动效果,并且能够使得气流可以从三个不同的方向直接吹向待烹饪的食物,使得气流均匀的作用在工作腔内待烹饪的食物上,保证待烹饪食物均匀的受热效果,进而提升待烹饪食物的烹饪品质。(The invention provides a cooking appliance. Wherein, cooking utensil includes: the body comprises a working cavity, and the working cavity is provided with at least three air inlets; the air duct structure is arranged on the body and communicated with the working cavity through an air inlet; and the driving device is arranged in the air duct structure and is configured to supply air to the working cavity from at least three directions through the air inlet. According to the cooking appliance, the air duct structure can be matched with the at least three air inlets to supply air to the working cavity, the disturbance effect of the air flow in the working cavity is enhanced, the air flow can be directly blown to food to be cooked from three different directions, the air flow uniformly acts on the food to be cooked in the working cavity, the uniform heating effect of the food to be cooked is ensured, and the cooking quality of the food to be cooked is improved.)

1. A cooking appliance, comprising:

the air conditioner comprises a body, wherein the body comprises a working cavity, and the working cavity is provided with at least three air inlets;

the air duct structure is arranged on the body and communicated with the working cavity through the air inlet;

and the driving device is arranged in the air duct structure and is configured to supply air to the working cavity from at least three directions through the air inlet.

2. The cooking appliance of claim 1, wherein the body further comprises:

and the air return opening is arranged in the working cavity and communicated with the working cavity and the air duct structure.

3. The cooking appliance of claim 2, wherein the body further comprises:

the door body is configured to be used for opening or closing the working cavity, and the air return opening and the door body are located on two opposite sides of the working cavity.

4. The cooking appliance of claim 3,

the number of the air inlets is three, and the three air inlets are distributed on the top wall and the two side walls of the working cavity.

5. The cooking appliance of claim 3,

the number of the air inlets is three, one air inlet is distributed on the rear wall of the working cavity, and the other two air inlets are distributed on the two side walls of the working cavity.

6. The cooking appliance of claim 3,

the number of the air inlets is three, one of the air inlets is distributed on the rear wall of the working cavity, one of the air inlets is distributed on one side wall of the working cavity, and the other air inlet is distributed on the top wall of the working cavity.

7. The cooking appliance of claim 3,

the number of the air inlets is four, one of the air inlets is distributed on the rear wall of the working cavity, one of the air inlets is distributed on the top wall of the working cavity, and the two air inlets are distributed on the two side walls of the working cavity.

8. The cooking appliance of any one of claims 2 to 7, wherein the air channel structure comprises:

the first air deflector is covered on the air return inlet;

the second air deflector is covered on the air inlet;

and channels are arranged between the first air deflector and the outer wall of the working cavity and between the second air deflector and the outer wall of the working cavity, and the channels are communicated with the air return inlet and the air inlet.

9. The cooking appliance of claim 8, wherein the channel comprises:

the air return channel is positioned between the first air deflector and the outer wall of the working cavity and communicated with the air return port;

and the at least three air inlet channels are positioned between the second air deflector and the outer wall of the working cavity and are communicated with the return air channel and the at least three air inlets.

10. The cooking appliance according to any one of claims 2 to 7, wherein the driving means comprises:

the fan cover is arranged at the air return opening;

the driving piece is arranged on the fan cover;

the wind wheel, with the driving piece is connected, is located in the wind channel structure, the wind wheel includes a plurality of blades, a plurality of blades are the spiral and distribute.

11. The cooking appliance of claim 10,

the distance between the blade root of the blade and the axis of the wind wheel is more than or equal to 20mm and less than or equal to 30 mm;

the distance between the blade top of the blade and the axis of the wind wheel is less than or equal to 70mm and less than or equal to 50 mm.

12. The cooking appliance according to any one of claims 2 to 7, further comprising:

the heating component is arranged in the air duct structure;

the number of the heating parts is one, and the heating parts are positioned at the air return inlet; or

The quantity of heating part is at least three, is located respectively at least three air inlet department.

13. The cooking appliance according to any one of claims 2 to 7,

the number of the air inlets is multiple, and the shape of the air inlets at least comprises one of the following shapes: round, square, polygonal; and/or the number of the return air inlets is multiple, and the shape of the air inlet at least comprises one of the following shapes: circular, square, polygonal.

Technical Field

The invention relates to the field of kitchen electrical equipment, in particular to a cooking appliance.

Background

At present, a cooking appliance heated by hot air is preferred by more and more users, as shown in fig. 1, an air inlet 106 ' of the existing cooking appliance is generally arranged on one wall surface of a working cavity 104 ' and is located on a top wall or a rear wall of the working cavity 104 ', so that hot air flow can only heat food to be cooked from a single direction, disturbance of the air flow is poor, the food cannot be uniformly heated, the heating speed of the food is slow, and the taste of the cooked food is poor.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

To this end, the present invention provides a cooking appliance.

The present invention provides a cooking appliance, comprising: the body comprises a working cavity, and the working cavity is provided with at least three air inlets; the air duct structure is arranged on the body and communicated with the working cavity through an air inlet; and the driving device is arranged in the air duct structure and is configured to supply air to the working cavity from at least three directions through the air inlet.

The invention provides a cooking appliance which comprises a body, an air duct structure and a driving device. The body comprises a working cavity, and food to be cooked can be placed in the working cavity; the working chamber is at least provided with three air inlets, the body is provided with an air duct structure, the air duct structure is communicated with the working chamber through the at least three air inlets, and air can be supplied to the working chamber from at least three different directions when the driving device runs, so that the thermal field disturbance effect of air flow in the working chamber is enhanced, and food to be cooked in the working chamber is uniformly heated.

Specifically, in the use process of the cooking appliance, the driving device operates to drive the air flow to flow in the air duct structure, the air flow can flow to the air inlet in the air duct structure, and the air inlet flows into the working cavity. The number of the air inlets is at least three, and the air supply directions of the at least three air inlets are different, so that air flow can enter the working cavity from at least three air directions, and food to be cooked in the working cavity is heated. So design, when drive arrangement moves, can be so that the disturbance effect of wind channel structure cooperation at least three air intake to the working chamber air supply, reinforcing working chamber intracavity air current to can make the air current directly blow to the food of treating the culinary art from the direction of three difference, make the even effect of being used in the working chamber on the food of treating the culinary art of air current, guarantee to treat the even effect of being heated of culinary art food, and then promote the culinary art quality of treating the culinary art food.

Therefore, the cooking appliance provided by the invention can supply air to the working cavity from at least three directions when the driving device runs through the matching of the air channel structure and the at least three air inlets, so that the disturbance effect of air flow on air in the working cavity is greatly improved, the food to be cooked in the working cavity is uniformly heated, and the cooking effect of the cooking appliance on the food is ensured.

According to the cooking utensil of the technical scheme of the invention, the cooking utensil can also have the following additional technical characteristics:

in the above technical solution, further, the cooking appliance further includes: and the air return opening is arranged in the working cavity and communicated with the working cavity and the air duct structure.

In the technical scheme, the working cavity is provided with an air return opening, and the air return opening is communicated with the working cavity and the air duct structure. That is, the air duct structure is communicated with the working cavity through the air inlet and the air return opening, air in the working cavity can enter the air duct structure through the air return opening, and air in the air duct structure can enter the working cavity through the air inlet, so that the circulating action of air flow is ensured.

Specifically, in the process of the operation of the driving device, the gas in the working cavity enters the air channel structure from the air return inlet under the action of the driving device, and then flows back to the working cavity from at least three wind directions through at least three air inlets again, so that the gas circulation is ensured, and the uniform heating of the food materials to be cooked in the working cavity is ensured.

In the above technical solution, further, the body further includes: the door body is configured to be used for opening or closing the working cavity, and the air return inlet and the door body are located on two opposite sides of the working cavity.

In the technical scheme, a door body is arranged on the working cavity and used for opening and closing the working cavity. When the cooking utensil needs to process food, the door body is opened, and the food is placed in the working cavity; in the cooking utensil working process, close the door body, make the air current flow in confined space, reduce the loss of air current, improve cooking utensil's work efficiency, simultaneously, make the food that is processing can not receive the pollution, and improve operating personnel security. In addition, the air return opening is arranged on one side of the working cavity corresponding to the door body and is positioned behind the cooking cavity, so that danger caused by the fact that an operator is just opposite to the air return opening is avoided.

In any of the above technical solutions, further, the number of the air inlets is three, and the three air inlets are distributed on the top wall and the two side walls of the working chamber.

In the technical scheme, the working cavity is provided with three air inlets, one air inlet is arranged on the top wall of the working cavity, the other two air inlets are respectively arranged on the two side walls of the working cavity, and the air return inlet is arranged on the rear wall of the working cavity. So design, at drive arrangement operation in-process, the drive air current gets into the wind channel structure from the return air inlet of working chamber back wall, and the air current continues to flow to the three air intake that sets up at working chamber roof and both sides wall, and the air current flows into the working chamber through three air intake, and then realizes that the working chamber can be above and the left and right sides air inlet, enables the even inflow working chamber of air current, evenly processes food for the operating speed of working chamber has improved cooking utensil's work efficiency.

In any of the above technical solutions, further, the number of the air inlets is three, one air inlet is distributed on the rear wall of the working chamber, and the other two air inlets are distributed on the two side walls of the working chamber.

In the technical scheme, the working cavity is provided with three air inlets, one of the three air inlets is arranged on the rear wall of the working cavity, and the other two air inlets are respectively arranged on two side walls of the working cavity. So design, at drive arrangement in-process, the drive air current gets into the wind channel structure from the return air inlet of working chamber back wall, and the air current continues to flow to the three air intake that sets up at working chamber back wall and both sides wall, and the air current flows into the working chamber through three air intake, and then realizes that the working chamber can be at the rear and the left and right sides air inlet, enables the even inflow working chamber of air current, evenly processes food for the operating speed of working chamber, has improved cooking utensil's work efficiency.

In any of the above technical solutions, further, the number of the air inlets is three, one air inlet is distributed on the rear wall of the working chamber, and one air inlet is distributed on one side wall of the working chamber. An air inlet is distributed on the top wall of the working cavity.

In the technical scheme, the working cavity is provided with three air inlets, wherein one air inlet is arranged on the rear wall of the working cavity, and the other air inlet is distributed on one side wall of the working cavity. An air inlet is distributed on the top wall of the working cavity. So design, in drive arrangement operation in-process, the drive air current gets into the wind channel structure from the return air inlet of working chamber back wall, the air current continues to flow to the three air intake that sets up at working chamber back wall, lateral wall and roof, the air current flows in the working chamber through three air intake, and then realize that the working chamber can be at the rear, a side and top air inlet, in the inflow working chamber that enables the air current is even, evenly process food for the operating speed of working chamber, cooking utensil's work efficiency has been improved.

In any of the above technical solutions, further, the number of the air inlets is four, one air inlet is distributed on the rear wall of the working chamber, one air inlet is distributed on the top wall of the working chamber, and two air inlets are distributed on two side walls of the working chamber.

In the technical scheme, the working cavity is provided with four air inlets, one of the four air inlets is arranged on the rear wall of the working cavity, one air inlet is distributed on the top wall of the working cavity, and the two air inlets are distributed on the two side walls of the working cavity. So design, in drive arrangement operation in-process, the drive air current gets into the wind channel structure from the return air inlet of working chamber back wall, the air current continues to flow to the four air intakes that set up at working chamber back wall, both sides wall and roof, the air current flows into the working chamber through four air intakes, and then realize that the working chamber can be at the rear, both sides side and top air inlet, in the inflow working chamber that enables the air current is even, evenly process food for the operating speed of working chamber, cooking utensil's work efficiency has been improved.

It should be noted that the number and distribution of the air inlets are not limited to the above.

In any of the above technical solutions, further, the air duct structure includes: the first air deflector is covered on the air return inlet; the second air deflector is covered on the air inlet; and channels are arranged between the first air deflector and the outer wall of the working cavity and between the second air deflector and the outer wall of the working cavity, and the channels are communicated with the air return opening and the air inlet.

In the technical scheme, the air duct structure comprises a first air deflector and a second air deflector. The first air deflector is arranged at the air outlet of the working cavity, the second air deflector is arranged at the air inlet of the working cavity, so that a channel for airflow flowing is formed between the first air deflector and the outer wall of the working cavity and between the second air deflector and the outer wall of the working cavity, and the channel is ensured to be communicated with the air return inlet and the air inlet. By the design, the air flow in the air duct structure can flow in the air duct, and the air flow can flow into the working cavity through the air inlet.

More importantly, the structure of the cooking utensil can be simplified to the greatest extent through the design, particularly, the forming mode of the air channel is simplified, the channel can be formed only by adding the first air deflector and the second air deflector on the outer wall of the working cavity, and the outer wall of the working cavity can be used as one wall surface of the channel.

In any of the above technical solutions, further, the channel includes: the air return channel is positioned between the first air deflector and the outer wall of the working cavity and communicated with the air return port; and the at least three air inlet channels are positioned between the second air deflector and the outer wall of the working cavity and are communicated with the return air channel and the at least three air inlets.

In the technical scheme, the channel comprises a return air channel and at least three air inlet channels. The air return channel is positioned between the first air deflector and the outer wall of the working cavity and is communicated with the ventilation return port; at least three air inlet channels are arranged between the second air deflector and the outer wall of the working cavity and are communicated with the return air channel and at least three air inlets. So design, when drive arrangement ran, the gas in the working chamber at first entered into the return air passageway through the return air inlet, entered into at least three inlet air channel simultaneously through the return air passageway after hot, then flowed back to the working chamber from at least three air intake again. So design, can effectively simplify the overall structure in wind channel for a return air passageway can satisfy at least three inlet air channel's air feed, further simplifies the overall structure in wind channel structure.

In any of the above technical solutions, further, the driving device includes: the fan cover is arranged at the air return opening; the driving piece is arranged on the fan cover; the wind wheel is connected with the driving piece and is positioned in the air duct structure, and the wind wheel comprises a plurality of blades which are spirally distributed.

In the technical scheme, the driving device comprises a fan cover, a driving piece and a wind wheel. Wherein, the fan cover sets up in return air inlet department to play the effect of supporting the installation, make the driving piece mountable on the fan cover. In addition, the wind wheel is connected with the driving piece, and the wind wheel sets up inside wind channel structure including being a plurality of blades of spiral distribution to can rotate under the drive of driving piece, and then produce the air current through a plurality of blade effects. Particularly, the blades are distributed spirally, so that stronger airflow can be generated when the wind wheel rotates, and the air volume requirement of at least three air inlets is further met.

In any of the above solutions, further, the distance between the blade root of the blade and the axis of the wind wheel is greater than or equal to 20mm, and less than or equal to 30 mm; the distance between the blade tip of the blade and the axis of the wind wheel is greater than or equal to 50mm and less than or equal to 70 mm.

In the technical scheme, the distance between the blade root of the blade and the axis of the wind wheel is more than or equal to 20mm and less than or equal to 30mm, and the distance between the blade tip of the blade and the axis of the wind wheel is more than or equal to 50mm and less than or equal to 70 mm. Based on the aforesaid further inject the blade, on the basis of guaranteeing that blade and wind wheel structure are whole harmonious, promote the effective effect length of blade, and then promote the driving force of blade to the air current, guarantee that the wind wheel can produce sufficient air current in unit interval, and then satisfy at least trilateral air supply amount of wind requirement.

In any of the above technical solutions, further, the cooking appliance further includes: the heating component is arranged in the air duct structure; the number of the heating parts is one, and the heating parts are positioned at the air return inlet; or the number of the heating parts is at least three, and the heating parts are respectively positioned at the at least three air inlets.

In this technical solution, the cooking appliance further includes a heating member. Wherein, the heater block sets up in the wind channel structure, and then makes drive arrangement drive air current when flowing in the wind channel structure, all can be heated by the heater block, and then has guaranteed that the high temperature air current flows into the working chamber through the air intake, has guaranteed to treat the heating effect of culinary art food in the working chamber.

One or more heating members may be provided. When the number of the heating parts is one, one heating part is arranged at the air return opening, so that the heating part heats the airflow at the air return opening; the heated air flow flows in the air duct structure and flows into the working cavity through at least three air inlets. By the design, the integral structure of the cooking appliance is simplified, and the cost of the cooking appliance is reduced. When the number of the heating parts is at least three, the at least three heating parts are respectively arranged at the at least three air inlets, so that the air flow is heated at the air inlets by the heating parts; that is, the air current flows in the air duct structure to being heated by different heater blocks before entering into the working chamber, having guaranteed on the one hand that the air current enters into the working chamber immediately after being heated, having guaranteed the air current temperature that gets into the working chamber, avoided high temperature air current to flow in the air duct structure simultaneously to the loss of air duct structure and drive arrangement.

In any of the above technical solutions, further, the number of the air inlets is plural, and the shape of the air inlets at least includes one of the following: circular, square, polygonal.

In this technical scheme, the quantity of air intake can set to a plurality ofly, has increased the draught area of air intake, reduces the resistance that the air current flows, and then increases the airflow through the air intake. Specifically, the shape of the air inlet includes at least one of a circle, a square and a polygon.

In any of the above technical solutions, further, the number of the return air inlets is plural, and the shape of the air inlet at least includes a circle, a square and a polygon.

In the technical scheme, the number of the air return openings can be set to be a plurality of, so that the ventilation area of the air return openings is increased, and the air flow efficiency is improved. Specifically, the shape of the return air inlet includes at least one of a circle, a square and a polygon.

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 is a schematic structural view of a cooking appliance in the related art;

fig. 2 is a schematic structural view of a driving apparatus of a cooking appliance in the related art.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

104 'working chamber, 106' inlet, 122 'rotor, 124' blade.

Fig. 3 is an exploded view of a cooking appliance according to an embodiment of the present invention;

fig. 4 is a schematic airflow direction diagram of a cooking appliance according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a wind wheel in a cooking appliance according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

102, 104, a working chamber, 1042, a bottom plate 1044, a left side plate 1044, a right side plate 1046, a back plate 1048, a 1050 top plate, a 106 air inlet, a first air inlet 106a, a second air inlet 106b, a third air inlet 106c, a 110 driving device, a 112 air return inlet, a first air deflector 114, a second air deflector 116, a left air deflector 116a, a right air deflector 116b, a top air deflector 116c, a fan housing 118, a 120 driving member, a 122 wind wheel, 124 blades, 126 blade tips, and 128 blade roots.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to 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 otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

Cooking appliances provided according to some embodiments of the present invention are described below with reference to fig. 3 to 5. Wherein the arrows in figure 4 indicate the gas flow direction.

Example 1:

as shown in fig. 3 and 4, an embodiment of the present invention provides a cooking appliance including: the body 102, the body 102 includes the working chamber 104, the working chamber 104 has at least three air intakes 106; the air duct structure is arranged on the body 102 and communicated with the working cavity 104 through an air inlet 106; and the driving device 110 is arranged in the air duct structure and is configured to supply air to the working chamber 104 from at least three directions through the air inlet 106.

The invention provides a cooking appliance comprising a body 102, an air duct structure and a driving device 110. The body 102 comprises a working chamber 104, and food to be cooked can be placed in the working chamber 104; the working chamber 104 is at least provided with three air inlets 106, the body 102 is provided with an air duct structure, the air duct structure is communicated with the working chamber 104 through the at least three air inlets 106, and can supply air to the working chamber 104 from at least three different directions when the driving device 110 operates, so that the thermal field disturbance effect of the air flow in the working chamber 104 is enhanced, and further, food to be cooked in the working chamber 104 is uniformly heated.

Specifically, during use of the cooking appliance, the driving device 110 operates to drive the airflow within the air duct structure, wherein the airflow is able to flow towards the air inlet 106, and the air inlet 106 flows into the working chamber 104. The number of the air inlets 106 is at least three, and the air supply directions of the at least three air inlets 106 are different, so that the air flow can enter the working chamber 104 from at least three air directions and heat the food to be cooked in the working chamber 104. So design, when drive arrangement 110 moves, can make the air duct structure cooperate at least three air intake 106 to the working chamber 104 air supply, the disturbance effect of air current in the reinforcing working chamber 104 to can make the air current directly blow to the food of treating the culinary art from three different directions, make the even effect of being heated of air current guarantee to treat the even effect of being heated of culinary art on the food of treating the culinary art in working chamber 104, and then promote the culinary art quality of treating the culinary art food.

Therefore, the cooking utensil that this embodiment provided, through the cooperation of wind channel structure and at least three air intake 106, can follow at least three direction and for the working chamber 104 air supply when drive arrangement 110 moves, promoted the disturbance effect of air current to gas in the working chamber 104 to a very big degree to guarantee to wait to cook food thermally equivalent in the working chamber 104, guaranteed cooking utensil to the culinary art effect of food.

Example 2:

as shown in fig. 3 and 4, in one embodiment of the invention, the features defined in any of the above embodiments are included, and further: the cooking appliance further includes: and the air return opening 112 is arranged in the working cavity 104 and communicated with the working cavity 104 and the air duct structure.

In this embodiment, a return air opening 112 is provided in the working chamber 104, and the return air opening 112 communicates the working chamber 104 with the duct structure. That is, the air duct structure is communicated with the working chamber 104 through the air inlet 106 and the air return opening 112, the air in the working chamber 104 can enter the air duct structure through the air return opening 112, and the air in the air duct structure can enter the working chamber 104 through the air inlet 106, so that the circulation effect of the air flow is ensured.

Specifically, in the operation process of the driving device 110, the air in the working chamber 104 enters the inside of the air duct structure from the air return opening 112 under the action of the driving device 110, and then flows back to the working chamber 104 from at least three wind directions through the at least three wind inlets 106 again, so that the air circulation is ensured, and the food material to be cooked in the working chamber 104 is uniformly heated.

Example 3:

as shown in fig. 3 and 4, in one embodiment of the invention, the features defined in any of the above embodiments are included, and further: the body 102 further includes: and the door body is configured to open or close the working chamber 104, and the air return opening 112 and the door body are positioned at two opposite sides of the working chamber 104.

In this embodiment, a door is provided on the working chamber 104, and the door is used for opening the working chamber 104 and closing the working chamber 104. When the cooking appliance needs to process food, the door body is opened, and the food is placed in the working cavity 104; in the cooking utensil working process, close the door body, make the air current flow in confined space, reduce the loss of air current, improve cooking utensil's work efficiency, simultaneously, make the food that is processing can not receive the pollution, and improve operating personnel security. In addition, the air return opening 112 is arranged on one side of the working cavity 104 corresponding to the door body and is positioned behind the cooking cavity, so that danger caused by operators facing the air return opening 112 is avoided.

Particularly, the transparent plate is arranged on the door body, so that an operator can conveniently observe the heating condition of food when cooking the food.

Example 4:

in one embodiment of the invention, as shown in fig. 3, the features defined in any of the above embodiments are included, and further: the number of the air inlets 106 is three, and the three air inlets 106 are distributed on the top wall and the two side walls of the working chamber 104.

In this embodiment, three air inlets 106 are disposed on the working chamber 104, wherein one air inlet 106 is disposed on the top wall of the working chamber 104, the other two air inlets 106 are disposed on the two side walls of the working chamber 104, and the air return 112 is disposed on the rear wall of the working chamber 104. So design, in drive arrangement 110 operation in-process, the drive air current gets into the wind channel structure from the return air inlet 112 of working chamber 104 back wall, and the air current continues to flow to the three air intake 106 that sets up at working chamber 104 top wall and both sides wall, and the air current flows into working chamber 104 through three air intake 106, and then realizes that working chamber 104 can be at the top and left and right sides air inlet, enables the even inflow working chamber 104 of air current, evenly processes food for the operating speed of working chamber 104, has improved cooking utensil's work efficiency.

Specifically, one air inlet 106 is disposed on the top plate 1050 of the working chamber 104, one air inlet 106 is disposed on the left side plate 1044 of the working chamber 104, and one air inlet 106 is disposed on the right side plate 1046 of the working chamber 104, so that three-side air inlet is realized from the top and the left and right sides of the working chamber 104.

Example 5:

in an embodiment of the invention, the features defined in any of the above embodiments are included, and further: the number of the air inlets is three, one air inlet is distributed on the rear wall of the working cavity, and the other two air inlets are distributed on the two side walls of the working cavity (the embodiment is not shown in the figure).

In this embodiment, the working chamber is provided with three air inlets, one of which is disposed on the rear wall of the working chamber, and the other two air inlets are disposed on two side walls of the working chamber, respectively. So design, at drive arrangement in-process, the drive air current gets into the wind channel structure from the return air inlet of working chamber back wall, and the air current continues to flow to the three air intake that sets up at working chamber back wall and both sides wall, and the air current flows into the working chamber through three air intake, and then realizes that the working chamber can be at the rear and the left and right sides air inlet, enables the even inflow working chamber of air current, evenly processes food for the operating speed of working chamber, has improved cooking utensil's work efficiency.

Specifically, one air inlet is arranged on the back plate of the working cavity, one air inlet is respectively arranged on the left side plate of the working cavity, one air inlet is respectively arranged on the right side plate of the working cavity, and then three-surface air inlet is realized from the rear side and the left side and the right side of the working cavity.

Example 6:

in an embodiment of the invention, the features defined in any of the above embodiments are included, and further: the number of the air inlets is three, one air inlet is distributed on the rear wall of the working cavity, and the other air inlet is distributed on one side wall of the working cavity. An air inlet is arranged in the top wall of the working chamber (this embodiment is not shown in the figures).

In this embodiment, the working chamber is provided with three air inlets, wherein one air inlet is arranged on the rear wall of the working chamber, and the other air inlet is distributed on one side wall of the working chamber. An air inlet is distributed on the top wall of the working cavity. So design, in drive arrangement operation in-process, the drive air current gets into the wind channel structure from the return air inlet of working chamber back wall, the air current continues to flow to the three air intake that sets up at working chamber back wall, lateral wall and roof, the air current flows in the working chamber through three air intake, and then realize that the working chamber can be at the rear, a side and top air inlet, in the inflow working chamber that enables the air current is even, evenly process food for the operating speed of working chamber, cooking utensil's work efficiency has been improved.

Specifically, one air inlet is arranged on a back plate of the working cavity, one air inlet is respectively arranged on a top plate of the working cavity, and the other air inlet is respectively arranged on a left side plate or a right side plate of the working cavity, so that three-surface air inlet is realized from the top, the rear side and the left side or the right side of the working cavity.

Example 7:

in an embodiment of the invention, the features defined in any of the above embodiments are included, and further: the number of the air inlets is four, one air inlet is distributed on the rear wall of the working cavity, one air inlet is distributed on the top wall of the working cavity, and two air inlets are distributed on two side walls of the working cavity (the embodiment is not shown in the figure).

The working chamber is provided with four air inlets, one of the air inlets is arranged on the rear wall of the working chamber, one of the air inlets is distributed on the top wall of the working chamber, and the two air inlets are distributed on the two side walls of the working chamber. So design, in drive arrangement operation in-process, the drive air current gets into the wind channel structure from the return air inlet of working chamber back wall, the air current continues to flow to the four air intakes that set up at working chamber back wall, both sides wall and roof, the air current flows into the working chamber through four air intakes, and then realize that the working chamber can be at the rear, both sides side and top air inlet, in the inflow working chamber that enables the air current is even, evenly process food for the operating speed of working chamber, cooking utensil's work efficiency has been improved.

Specifically, one air inlet is arranged on a back plate of the working chamber, one air inlet is respectively arranged on a top plate of the working chamber, one air inlet is respectively arranged on a left side plate of the working chamber, one air inlet is respectively arranged on a right side plate of the working chamber, and then four-side air inlet is realized from the top, the rear side, the left side and the right side of the working chamber.

It should be noted that the number and distribution of the air inlets are not limited to the above.

Example 8:

as shown in fig. 3 and 4, in one embodiment of the invention, the features defined in any of the above embodiments are included, and further: the wind channel structure includes: a first air deflector 114 covering the air return opening 112; the second air deflector 116 is covered on the air inlet 106; channels are formed between the first air deflector 114 and the outer wall of the working chamber 104, and between the second air deflector 116 and the outer wall of the working chamber 104, and the channels communicate the air return opening 112 and the air inlet opening 106.

In this embodiment, the air duct structure includes a first air deflector 114 and a second air deflector 116. The first air deflector 114 is disposed at the air outlet of the working chamber 104, and the second air deflector 116 is disposed at the air inlet 106 of the working chamber 104, so that a channel for airflow to flow is formed between the first air deflector 114 and the outer wall of the working chamber 104, and between the second air deflector 116 and the outer wall of the working chamber 104, and the channel is ensured to communicate with the air return opening 112 and the air inlet 106. By such design, it is ensured that the air flow in the air duct structure can flow in the air duct, and that the air flow can flow into the working chamber 104 through the air inlet 106.

More importantly, the structure of the cooking utensil can be greatly simplified by the design, particularly the formation of the air channel is simplified, the channel can be formed by only adding the first air deflector 114 and the second air deflector 116 on the outer wall of the working chamber 104, and the outer wall of the working chamber 104 can be used as one wall surface of the channel.

Example 9:

in an embodiment of the invention, the features defined in any of the above embodiments are included, and further: the channel includes: a return air channel which is positioned between the first air deflector 114 and the outer wall of the working chamber 104 and is communicated with the return air inlet 112; and at least three air inlet channels are arranged between the second air deflector 116 and the outer wall of the working chamber 104 and communicated with the return air channel and the at least three air inlets 106.

In this embodiment, the channels include a return air channel and at least three inlet air channels. Wherein, the return air channel is positioned between the first air deflector 114 and the outer wall of the working chamber 104 and is communicated with the ventilation return port; the at least three air inlet channels are located between the second air deflector 116 and the outer wall of the working chamber 104, and communicate with the return air channel and the at least three air inlets 106. So designed, when the driving device 110 operates, the air in the working chamber 104 firstly enters the return air channel through the return air inlet 112, and after being heated, the air enters at least three air inlet channels through the return air channel at the same time, and then flows back to the working chamber 104 from at least three air inlets 106. So design, can effectively simplify the overall structure in wind channel for a return air passageway can satisfy at least three inlet air channel's air feed, further simplifies the overall structure in wind channel structure.

In other embodiments, four air inlet passages are provided, wherein three air inlets 106 are located between the second air deflector 116 and the outer wall of the working chamber 104, and another air inlet is located between the first air deflector 114 and the outer wall of the working chamber 104, and the fan guard 118 is externally added.

Example 10:

in one embodiment of the invention, as shown in fig. 3, the features defined in any of the above embodiments are included, and further: the driving device 110 includes: a fan guard 118 disposed at the air return opening 112; a driver 120 disposed on the fan guard 118; and the wind wheel 122 is connected with the driving member 120 and is positioned in the air duct structure, and the wind wheel 122 comprises a plurality of blades 124, and the plurality of blades 124 are spirally distributed.

In this embodiment, the drive device 110 includes a fan guard 118, a drive 120, and a wind wheel 122. Wherein a fan guard 118 is provided at the return air opening 112 and functions as a support mount such that the drive 120 can be mounted on the fan guard 118. In addition, the wind wheel 122 is connected with the driving member 120, the wind wheel 122 includes a plurality of blades 124 distributed spirally, the wind wheel 122 is disposed inside the air duct structure and can be driven by the driving member 120 to rotate, and then the plurality of blades 124 act to generate an air flow. In particular, the plurality of blades 124 are distributed in a spiral shape, so that the wind wheel 122 can generate stronger airflow when rotating, thereby satisfying the air volume requirement of the at least three air inlets 106.

In particular, the drive member 120 is an electric motor, the direction of rotation of which corresponds to the desired direction of rotation of the rotor 122. The number of blades 124 may be 3 to 8.

In particular, the connection of the wind wheel 122 to the drive member 120 is an interference fit connection, a keyed connection, or a threaded connection.

Example 11:

as shown in fig. 5, in one embodiment of the invention, the features defined in any of the above embodiments are included, and further: the distance between the root 128 of the blade 124 and the axis of the rotor 122 is greater than or equal to 20mm and less than or equal to 30 mm; the distance between the tip 126 of the blade 124 and the axis of the wind wheel 122 is greater than or equal to 50mm, and less than or equal to 70 mm.

In this embodiment, the distance between the root 128 of the blade 124 and the axis of the rotor 122 is greater than or equal to 20mm and less than or equal to 30mm, and the distance between the tip 126 of the blade 124 and the axis of the rotor 122 is greater than or equal to 50mm and less than or equal to 70 mm. Based on the above further definition to the blade 124, on the basis of guaranteeing that the blade 124 is harmonious with the wind wheel 122 structure is whole, promote the effective action length of blade 124, and then promote the driving capability of blade 124 to the air current, guarantee that wind wheel 122 can produce sufficient air current in unit interval, and then satisfy trilateral air supply amount of wind requirement at least.

Specifically, the distance between the blade root 128 of the blade 124 and the axis of the wind wheel 122 may be 20mm, 22mm, 25mm, 28mm, 30mm, etc.

Specifically, the distance between the tip 126 of the blade 124 and the axis of the wind wheel 122 may be 300mm, 35mm, 40mm, 45mm, 50mm, or the like.

Specifically, the wind wheel 122 is a semi-open structure, and the blades 124 on the wind wheel 122 are twisted blades and are arranged in a spiral shape.

Example 12:

in an embodiment of the invention, the features defined in any of the above embodiments are included, and further: the cooking appliance further includes: the heating component is arranged in the air duct structure; the number of the heating parts is one, and the heating parts are positioned at the air return opening 112; or the number of the heating parts is at least three, and the heating parts are respectively positioned at the positions of the at least three air inlets 106

In this embodiment, the cooking appliance further comprises a heating member. Wherein, the heating part sets up in the wind channel structure, and then makes drive arrangement 110 drive air current when flowing in the wind channel structure, all can be heated by the heating part, and then has guaranteed that high temperature air current flows into working chamber 104 through air intake 106, has guaranteed the heating effect to treating the culinary art food in the working chamber 104.

One or more heating members may be provided. When there is one heating member, one heating member is disposed at the air return opening 112, so that the heating member heats the air flow at the air return opening 112; the heated air flows within the air duct structure and into the working chamber 104 through at least three air inlets 106. By the design, the integral structure of the cooking appliance is simplified, and the cost of the cooking appliance is reduced. When the number of the heating parts is at least three, the at least three heating parts are respectively arranged at the at least three air inlets 106, so that the heating parts heat the air flow at the air inlets 106; that is, the air flows in the air duct structure and is heated by different heating components before entering the working chamber 104, which ensures that the air flows enter the working chamber 104 immediately after being heated, ensures the temperature of the air flow entering the working chamber 104, and simultaneously avoids the loss of the air duct structure and the driving device 110 caused by the high-temperature air flow flowing in the air duct structure.

Specifically, the heating member may be tube heating, infrared heating tube heating, and high-frequency electromagnetic heating.

Example 13:

as shown in fig. 3 and 4, in one embodiment of the invention, the features defined in any of the above embodiments are included, and further: the number of the air inlets 106 is plural, and the shape of the air inlets 106 includes at least one of: circular, square, polygonal.

In this embodiment, the number of the air inlets 106 may be set to be plural, which increases the ventilation area of the air inlets 106, reduces the resistance of the airflow, and further increases the airflow passing through the air inlets 106. Specifically, the shape of the intake vent 106 includes at least one of a circle, a square, and a polygon.

Further: as shown in fig. 3, the number of the return air inlets 112 is plural, and the shape of the air inlet 106 at least includes a circle, a square and a polygon.

In this embodiment, as shown in fig. 3, the number of the air return openings 112 may be set to be plural, so as to increase the ventilation area of the air return openings 112 and improve the efficiency of the airflow. Specifically, the shape of the return air opening 112 includes at least one of a circle, a square, and a polygon.

In any of the above embodiments, further, the cooking appliance includes, but is not limited to: oven, microwave oven, little roast all-in-one that evaporates etc..

Specific example 1:

as shown in fig. 3 and 4, the cooking appliance provided in the present embodiment includes a body 102, an air duct structure, and a driving device 110. The body 102 comprises a working chamber 104, and food to be cooked can be placed in the working chamber 104; the working chamber 104 is provided with at least three air inlets 106, the body 102 is provided with an air duct structure, the air duct structure is communicated with the working chamber 104 through the at least three air inlets 106, and when the driving device 110 runs, air can be supplied to the working chamber 104 from at least three different directions, so that food to be cooked in the working chamber 104 can be uniformly heated.

Specifically, during use of the cooking appliance, the driving device 110 operates to drive the airflow within the air duct structure, wherein the airflow is able to flow towards the air inlet 106, and the air inlet 106 flows into the working chamber 104. The number of the air inlets 106 is at least three, and the air supply directions of the at least three air inlets 106 are different, so that the air flow can enter the working chamber 104 from at least three air directions and heat the food to be cooked in the working chamber 104.

In this embodiment, further, as shown in fig. 3 and 4, the cooking appliance further includes: and the air return opening 112 is arranged in the working cavity 104 and communicated with the working cavity 104 and the air duct structure.

In this embodiment, further, the body 102 further includes: and the door body is configured to open or close the working chamber 104, and the air return opening 112 and the door body are positioned at two opposite sides of the working chamber 104.

In this embodiment, as shown in fig. 3 and 4, the number of the air inlets 106 is three, and the three air inlets 106 are distributed on the top wall and the two side walls of the working chamber 104. The wind channel structure includes: a first air deflector 114 covering the air return opening 112; the second air deflector 116 is covered on the air inlet 106; channels are formed between the first air deflector 114 and the outer wall of the working chamber 104, and between the second air deflector 116 and the outer wall of the working chamber 104, and the channels communicate the air return opening 112 and the air inlet opening 106.

In this embodiment, further, the channel includes: a return air channel which is positioned between the first air deflector 114 and the outer wall of the working chamber 104 and is communicated with the return air inlet 112; and at least three air inlet channels are arranged between the second air deflector 116 and the outer wall of the working chamber 104 and communicated with the return air channel and the at least three air inlets 106.

In this embodiment, further, as shown in fig. 3, the driving device 110 includes: a fan guard 118 disposed at the air return opening 112; a driver 120 disposed on the fan guard 118; and the wind wheel 122 is connected with the driving member 120 and is positioned in the air duct structure, and the wind wheel 122 comprises a plurality of blades 124, and the plurality of blades 124 are spirally distributed.

In this embodiment, further, as shown in fig. 5, the distance between the blade root 128 of the blade 124 and the axis of the rotor 122 is greater than or equal to 20mm, and less than or equal to 30 mm; the distance between the tip 126 of the blade 124 and the axis of the wind wheel 122 is greater than or equal to 50mm, and less than or equal to 70 mm.

In this embodiment, further, the cooking appliance further includes: the heating component is arranged in the air duct structure; the number of the heating parts is one, and the heating parts are positioned at the air return opening 112; or the number of the heating parts is at least three, and the heating parts are respectively positioned at the at least three air inlets 106.

In this embodiment, as shown in fig. 3 and 4, further, the number of the air inlets 106 is plural, and the shape of the air inlets 106 includes at least one of: circular, square, polygonal.

In this embodiment, as shown in fig. 3 and 4, the number of the return air inlets 112 is plural, and the shape of the air inlet 106 at least includes a circle, a square and a polygon.

Specific example 2:

with the development of oven technology and varieties, hot air ovens with superior performance are becoming a priority for more and more users. This is because the hot air oven has advantages of fast heating speed and uniform heating speed, and can support more cooking menus. At the same time, this also places more stringent requirements on hot air ovens.

In the related art, as shown in fig. 1 and 2, the hot air assembly generally includes a centrifugal fan, a heating pipe and a wind shield, the hot air assembly is usually placed at the back or top of the oven, and the common hot air assembly is shown in fig. 1. In the cooking appliance in this form, the air inlet 106 ' is generally disposed on a wall surface of the working chamber 104 ' and located on a top wall or a rear wall of the working chamber 104 ', so that hot air can only heat food to be cooked in a single direction, disturbance of the air flow is poor, the food cannot be uniformly heated, the heating speed of the food is slow, and the cooked food has poor taste.

In the present embodiment, a cooking appliance is designed, as shown in fig. 3, 4 and 5, the cooking appliance uses a modified centrifugal fan as a driving device 110, and cooperates with a heating element, and a back plate 1048 cooperates with a working chamber 104 with three air inlets, so that hot air is distributed more uniformly in the working chamber 104, and the uniformity of the hot air in the working chamber 104 is improved.

The cooking appliance of the present embodiment is further explained below by taking an oven as an example:

as shown in fig. 3, the oven mainly includes: the bottom plate 1042, the left side plate 1044, the right side plate 1046, the back plate 1048, the top plate 1050, the first air deflector 114, the three second air deflectors 116, and the driving device 110 and the wind wheel 122 cooperate with the first air deflector 114 and the second air deflector 116 to form a three-sided air duct system.

As shown in fig. 5, the wind wheel 122 includes a plurality of blades 124, and the distance between the blade root 128 of the blade 124 and the axis of the wind wheel 122 is greater than or equal to 20mm and less than or equal to 30 mm; the distance between the tip 126 of the blade 124 and the axis of the wind wheel 122 is greater than or equal to 50mm, and less than or equal to 70 mm. As clearly shown by comparing fig. 2 and 5, the blades 124 ' of the wind wheel 122 ' in the related art are arranged in a straight line, and the length angle of the blades 124 ' has a low driving effect on the airflow. A plurality of blades 124 are the heliciform and distribute in this embodiment, and the length of blade 124 is obviously greater than the correlation technique, has effectively promoted the driving capability to the air current to blade 124 is hidden inside wind wheel 122, has further reduced wind wheel 122's radial dimension.

As shown in fig. 3 and 4, the bottom plate 1042, the left side plate 1044, the right side plate 1046, the back plate 1048, and the top plate 1050 together form the working chamber 104; the left side plate 1044 is provided with a first air inlet 106a, the right side plate 1046 is provided with a second air inlet 106b, the top plate 1050 is provided with a third air inlet 106c, and the back plate 1048 is provided with a return air inlet 112. During the operation of the driving device 110, the hot air in the working chamber 104 is sucked from the air return opening 112 of the back plate 1048, and re-enters the working chamber 104 from the left, right and top air inlet channels to form a circulation. In the working chamber 104, the airflow enters the wind wheel 122 through the air return opening 112 of the back plate 1048, and after being accelerated by the wind wheel 122, enters the working chamber 104 from the first air inlet 106a on the left side, the second air inlet 106b on the right side, and the third air inlet 106c on the top; the left air intake channel is defined by the left air deflection 116a and the left panel 1044, the right air intake channel is defined by the right air deflection 116b and the right panel 1046, and the top air intake channel is defined by the top air deflection 116c and the top panel 1050. Specifically, the fan guard 118 is open to the air, and the fan guard 118 serves only as a support to allow airflow from the outer edge of the wind wheel 122 into the three return air duct channels (left, right and top).

In the drawings of this embodiment, the heating elements are not shown, the arrangement positions of the heating elements may be on the top of the working chamber 104 (i.e. below the top plate 1050), in the air inlet channels on the top (in the top air guiding plate 116 c), in the air inlet channels on the left and right sides, etc., and the arrangement positions of the heating elements are more, which is not specifically required here. The door body is not shown in the drawing of the embodiment, and no specific requirements are made here.

In addition, the air return opening 112 on the back plate 1048 may not be a circular hole, but may be directly provided with a rectangular groove; the number of return air openings 112 may vary, but the basic principle is the same. Correspondingly, the air inlet 106 may not be a circular hole, but may be directly provided with a rectangular groove; the number of intake vents 106 may vary, but the basic principles are the same. In addition, the fan guard 118 may be other than circular and may have similar shapes and may also be supportive.

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 herein, 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 invention. In this specification, 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 is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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.