CN114052528A

CN114052528A - Cooking utensil

Info

Publication number: CN114052528A
Application number: CN202111531855.3A
Authority: CN
Inventors: 林刚; 钟昌理; 孙克磊
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-02-18
Anticipated expiration: 2041-12-15
Also published as: CN114052528B

Abstract

The invention provides a cooking appliance which comprises an appliance body, a cover plate, a flow guide device, fan blades, a heating piece, a power part and a controller. The cover plate can be switched between a first state and a second state relative to the appliance body; the cooking utensil at least has a hot air mode and an air-frying mode, wherein the hot air mode corresponds to the first state, and the air-frying mode corresponds to the second state; the flow cross-sectional area of the first opening in the first state is smaller than that of the first opening in the second state. This setting makes can be according to cooking utensil's mode of operation pointed to adjust first open-ended and overflows the cross sectional area, and the adjustment generates heat the operating condition of piece, like this, can adjust the heat transfer mode of heat and edible material, and can adjust the flow path of hot gas flow to satisfy the user demand like hot-blast mode, air-fry mode. This be provided with and do benefit to the performance that promotes the product, and then be favorable to the market competition of product.

Description

Cooking utensil

Technical Field

The invention relates to the technical field of cooking appliances, in particular to a cooking appliance.

Background

In the related art, the air fryer does not have a hot air function, and the steaming and baking integrated machine does not have an air frying function, namely, no product can have both the air frying function and the hot air function.

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 proposes a cooking appliance.

In view of the above, an aspect of the present invention provides a cooking appliance, including: the cooking appliance comprises an appliance body, a cooking cavity, a first opening and a second opening, wherein the first opening and the second opening are communicated with the cooking cavity; the cover plate is movably connected with the appliance body and can move relative to the appliance body to adjust the flow cross-sectional area of the first opening; the flow guide device is arranged on one side of the appliance body and is provided with an air channel, the first end of the air channel is connected with the first opening, and the second end of the air channel is connected with the second opening; the fan blade is arranged at the first end of the flow guide device and is communicated with the air channel; the heating piece is arranged at the first end of the flow guide device and is communicated with the air channel; the power part is connected with the fan blades and the cover plate and is used for driving the cover plate and the fan blades to work; and the controller is electrically connected with the heating part and the power part and is used for controlling the heating part and the power part to work according to the working mode of the cooking appliance.

The invention provides a cooking appliance which comprises an appliance body, a cover plate, a flow guide device, fan blades, a heating piece, a power part and a controller. The utensil body includes the cooking chamber and first opening and the second opening with the cooking chamber intercommunication. The guiding device is provided with an air duct, the air duct is provided with a first end and a second end, the first end of the air duct is connected with the first opening, and the second end of the air duct is connected with the second opening.

Specifically, the controller is electrically connected with both the power part and the heating part. The controller can control the power part to work according to the working mode of the cooking utensil so as to adjust the matching size of the cover plate and the first opening, and further adjust the overflowing section area of the first opening. The controller can also control the power part to work according to the working mode of the cooking appliance so as to drive the fan blades to rotate or stop rotating. The controller can also control the heating element to work or stop working according to the working mode of the cooking appliance. That is, the operation mode of the cooking appliance has a correlation with the flow cross-sectional area of the first opening and the operation state of the heat generating member.

This application has rationally set up the cooperation structure of utensil body, apron, guiding device, flabellum, the piece that generates heat, power portion and controller.

Reduce first open-ended and flow cross sectional area, when can guaranteeing power portion drive flabellum and rotate, the air of culinary art intracavity can be by first opening suction wind channel under the effect of flabellum, can reduce or even avoid the heat through first opening to the transmission of culinary art intracavity with heat radiating mode again, the flabellum rotates and can takes away the heat that generates heat a department, after the wind channel, through second opening flow direction culinary art chamber, with heated air circulation's mode, with the mode and the edible material heat transfer of stable low heat flux density, reach the purpose of culinary art edible material.

Or the area of the overflowing section of the first opening is increased, heat generated by the work of the heating part is transferred to the food material in a radiation mode through the first opening, meanwhile, the fan blades rotate to generate large air volume, the heat of the heating part is conveyed into the cooking cavity through the air channel and the second opening by the large air volume, and the food material is cooked in a high-heat-flow-density heat exchange mode.

This setting makes can be according to cooking utensil's mode of operation pointed to adjust first open-ended and overflows the cross sectional area, and the adjustment generates heat the operating condition of piece, like this, can adjust the heat transfer mode of heat and edible material, and can adjust the flow path of hot gas flow to satisfy the user demand like hot-blast mode, air-fry mode. This be provided with and do benefit to the performance that promotes the product, and then be favorable to the market competition of product.

According to the cooking utensil of the invention, the following additional technical characteristics can be provided:

in the above technical solution, further, the cover plate is switchable between a first state and a second state with respect to the appliance body; the cooking utensil at least has a hot air mode and an air-frying mode, wherein the hot air mode corresponds to the first state, and the air-frying mode corresponds to the second state; the flow cross-sectional area of the first opening in the first state is smaller than that of the first opening in the second state.

In this technical scheme, cooking utensil has hot-blast mode and air-fry mode at least, and the apron can switch between first state and second state relative to the utensil body. The operating mode of the cooking appliance has a correlation with the flow cross-sectional area of the first opening. Specifically, the hot air mode corresponds to a first state, the control mode corresponds to a second state, and the flow cross-sectional area of the first opening in the first state is smaller than that of the first opening in the second state.

Specifically, under the hot air mode, the controller controls the power part to work so as to drive the cover plate to be switched to a first state, and when the cover plate is in the first state, the flow cross-sectional area of the first opening is smaller, so that heat generated by the work of the heating element can be prevented from being transmitted to the cooking cavity in a radiation mode. Simultaneously, the work of controller control power portion is in order to drive the flabellum and rotate, and the flabellum rotates and can produce the big amount of wind, and the big amount of wind takes away the produced most heat of heating tube work, behind the wind channel, flows to culinary art chamber through the second opening to form heated air circulation, for food a stable and heat transfer mode of lower heat flow density energy, satisfy hot-blast demand.

Specifically, under the air-fry mode, the controller control power portion work is in order to drive the apron and switch to the second state, and when the second state, the cross sectional area that overflows of first opening is great, mainly transmits heat with the radiation heat transfer mode, and heat can transmit to the edible material through first opening with the form of radiation at this moment. Meanwhile, the controller controls the power part to work to drive the fan blades to rotate, the fan blades can generate large air volume, and the heat generated by the work of the heating part is sent into the cooking cavity through the air channel and the second opening by the large air volume, so that high heat flow density heat exchange is formed, and the air-frying requirement is met.

In any of the above technical solutions, further, the cover plate includes a third opening and a blocking portion; in the first state, the third opening is arranged corresponding to the first part of the first opening, and the shielding part can shield the second part of the first opening; in the second state, the third opening is arranged corresponding to the third part of the first opening, and the shielding part can avoid the first opening.

In this solution, the cover plate includes a third opening and a shielding portion.

In the first state, the third opening is arranged corresponding to the first part of the first opening, and in the second state, the third opening is arranged corresponding to the third part of the first opening. That is, the third opening communicates with the first opening in both the first state and the second state. Therefore, the air in the cooking cavity can be sucked into the air channel from the first opening under the action of the fan blades when the power part drives the fan blades to rotate in the hot air mode and the air-frying mode.

In addition, when the first state, the shielding part can shield the second part of the first opening, namely, the shielding part plays a role in reducing the flow cross-sectional area of the first opening so as to prevent heat generated by the work of the heating element from being transferred to the cooking cavity in a radiation mode.

In addition, when the second state, the shielding portion can avoid the first opening, that is, the first opening is not shielded by the shielding portion, that is, the effect of increasing the flow cross-sectional area of the first opening is achieved. Thus, heat transfer in a radiation heat exchange manner can be ensured.

In any of the above solutions, further, the first opening includes a plurality of first overflowing holes; the cover plate further comprises a plurality of second overflowing holes, and a part of the cover plate, which is positioned between two adjacent second overflowing holes, forms a blocking part; in the first state, the shielding part is arranged corresponding to a part of the first overflowing holes in the plurality of first overflowing holes; and in the second state, the first overflowing hole and the second overflowing hole are correspondingly arranged.

In the technical scheme, the first opening comprises a plurality of first overflowing holes, the cover plate comprises a plurality of second overflowing holes, and the part, located between every two adjacent second overflowing holes, of the cover plate forms a blocking part. Through the reasonable cooperation structure who sets up a plurality of first overflowing holes, a plurality of second overflowing hole and shielding portion for when first state, shielding portion and the first overflowing hole of some in a plurality of first overflowing holes correspond the setting, promptly, shielding portion can shelter from the first overflowing hole of some in a plurality of first overflowing holes, in order to play the effect that reduces first open-ended cross sectional area that overflows.

In addition, when the first overflowing hole and the second overflowing hole are arranged correspondingly in the second state, the shielding part avoids the first overflowing hole, and the effect of increasing the overflowing section area of the first opening is achieved.

This arrangement provides effective and reliable structural support for the cooking appliance in both hot air and air-fry modes.

It is understood that the cover plate includes a third opening and a plurality of second overflowing holes, the plurality of second overflowing holes are located on the peripheral side of the third opening, and the portions of the cover plate located between two adjacent second overflowing holes form the blocking portions.

In any of the above technical solutions, further, the cross-section of the third opening has an elliptical shape.

In this technical scheme, through the reasonable third open-ended structure that sets up for the shape of third open-ended cross section is oval, and this setting can guarantee that the apron removes for the utensil body, and when switching between first state and second state, the third opening homoenergetic can correspond with first open-ended partly, can not appear influencing the condition that the flabellum induced drafted because of the removal of apron. Has the advantages of simple processing technology and low production cost.

In any of the above technical solutions, further, one of the power part and the cover plate is provided with a rack, and the other is provided with a gear, and the rack is engaged with the gear.

In this technical scheme, the cooperation structure of power portion and apron is rationally set up for one of power portion and apron is equipped with the rack, and another is equipped with the gear. For example, the power part is provided with a rack, and the cover plate is provided with a gear; in another example, the power part is provided with a gear, and the cover plate is provided with a rack. The rack is meshed with the gear, and the gear rotates to drive the rack to move, so that the cover plate moves relative to the appliance body.

The device has the advantages of simple structure, convenient processing and low production cost.

In any of the above technical solutions, further, one of the power part and the cover plate is provided with a worm wheel, and the other is provided with a worm, and the worm wheel is meshed with the worm.

In this technical scheme, the cooperation structure of power portion and apron is rationally set up for one of power portion and apron is equipped with the worm wheel, and another is equipped with the worm. For example, the power part is provided with a worm wheel, and the cover plate is provided with a worm; for another example, the power part is provided with a worm, and the cover plate is provided with a worm wheel. The worm wheel is meshed with the worm, and the worm wheel can drive the worm to move, so that the cover plate can move relative to the appliance body.

In any of the above technical solutions, further, the power part includes a rotating shaft, the cover plate is provided with a shaft hole, and the rotating shaft is connected to the shaft hole in a penetrating manner.

In this technical scheme, power portion includes the pivot, and the apron is equipped with the shaft hole, and the pivot passes the shaft hole and is connected with the pore wall in shaft hole, and the pivot rotates in order to drive the apron to rotate for the pivot, and then realizes the purpose that the apron removes for the utensil body.

Specifically, the cover plate is provided with a third opening, and the cross section of the third opening is oval.

In any of the above technical solutions, further, the appliance body has a top wall and a side wall, the side wall is connected to one side of the top wall, one of the top wall and the side wall is provided with a first opening, and at least one of the top wall and the side wall is provided with a second opening.

In this solution, the appliance body comprises a top wall and a side wall, the side wall being connected to the top wall. The positions of the first opening and the second opening can be set according to specific practical use requirements.

Specifically, the top wall of the appliance body is provided with a first opening. Or the side wall of the appliance body is provided with a first opening.

Specifically, the top wall of the appliance body is provided with a second opening. Or the side wall of the appliance body is provided with a second opening. Or the top wall and the side wall of the appliance body are both provided with second openings.

When the top wall and the side wall of the appliance body are both provided with the second openings, that is, the number of the second openings is multiple, a part of the second openings in the multiple second openings are provided on the top wall of the appliance body, and another part of the second openings in the multiple second openings are provided on the side wall of the appliance body. This setting has increased the cooperation area of second opening and culinary art chamber, has increased the cooperation angle of second opening and culinary art chamber, is favorable to promoting the temperature equilibrium and the uniformity of culinary art intracavity different positions department, can guarantee to eat the equilibrium that material is heated, is favorable to promoting to eat the material taste.

In any of the above technical solutions, further, the first opening is disposed on the top wall, and the second opening is disposed on the side wall.

In the technical scheme, the arrangement positions of a first opening and a second opening are specifically defined, wherein the first opening is arranged on the top wall, and the second opening is arranged on the side wall.

Specifically, the lateral wall of utensil body is equipped with the second opening, and hot-air flows to the culinary art chamber by the second opening, and like this, hot-air forms a horizontal direction's heated air circulation, is favorable to promoting the equalization of the temperature in the culinary art intracavity.

Specifically, the top wall of the utensil body is provided with the first opening, so that radiation enhanced heat exchange is facilitated, and the air frying effect can be guaranteed.

In any one of the above technical solutions, further, the number of the second openings is plural, and the air duct includes: the first air duct section is provided with a third end and a fourth end, and the third end is connected with the first opening; the second air duct sections are provided with fifth ends and sixth ends, the fifth end of each second air duct section is connected with the fourth end, and the sixth end of each second air duct section is connected with one second opening.

In the technical scheme, the air duct comprises a first air duct section and a plurality of second air duct sections. And the cooperation structure of first opening, first wind channel section, a plurality of second wind channel section and second opening has been injectd in the principle, and specifically, first wind channel section has third end and fourth end, and the second wind channel section has fifth end and sixth end, and the fourth end of first wind channel section is connected to the fifth end of every second wind channel section, and the sixth end of every second wind channel section is connected with a second opening. This setting makes and is divided into the stranded by a plurality of second wind channel sections by the air current in the first opening flow direction wind channel, and the hot-blast circulation of a plurality of directions is formed from equidirectional, different positions flow to the culinary art chamber simultaneously to stranded hot-air, is favorable to promoting the equalization of the temperature of culinary art intracavity, provides effective and reliable structural support for the equilibrium and the uniformity that eat material is heated.

In any of the above technical solutions, further, the flow guiding device includes: the cover body is connected with the outer surface of the appliance body and covers the first opening, the cover body is provided with a fourth opening, and the cover plate is positioned between the cover body and the appliance body; the flow guide pipe is positioned on one side of the cover body and is connected between the fourth opening and the second opening; the heating piece is positioned between the cover body and the appliance body, and the heating piece is positioned on the periphery of the fourth opening; wherein, the fan blade is arranged on the flow guide pipe.

In the technical scheme, the flow guide device comprises a cover body and a flow guide pipe, wherein the cover body is connected with the outer surface of the appliance body, namely, an area for accommodating the heating element is encircled between the inner surface of the cover body and the outer surface of the appliance body.

It can be understood that the produced heat of the work of the piece that generates heat can effectively heat the air in the region between the cover body and the utensil body, can provide effective and reliable structural support for can heat the edible material in the culinary art intracavity with the heated air circulation mode under the hot-blast mode, and can provide effective and reliable structural support for can providing heat to the edible material transfer in the culinary art intracavity with the mode of radiation heat transfer under the air-fry mode.

In addition, the heating part is positioned on the peripheral side of the fourth opening, and when the fan blades rotate, the air and heat generated by the working of the heating part can be uniformly mixed.

In addition, the cover plate is positioned between the cover body and the appliance body, and the cover body and the appliance body have the function of protecting the cover plate, so that external force is prevented from directly acting on the cover plate, the service life of a product is prolonged, and structural support can be provided for the cover plate to move relative to the appliance body.

In any of the above technical solutions, further, the cooking utensil, the draft tube includes: the first pipe wall is connected with the cover body, the part of the first pipe wall corresponding to the cover body is sunken to form a volute, and the fan blades are positioned at the volute; the second pipe wall is connected to one side, facing the cover body, of the first pipe wall and is positioned on one side of the volute; the first part of the air duct is formed between the cover body and the volute, and the second part of the air duct is formed between the first pipe wall and the second pipe wall.

In the technical scheme, the flow guide pipe comprises a first pipe wall and a second pipe wall, and the cover body, the first pipe wall and the second pipe wall are matched with each other, so that a first part of an air channel is formed between the cover body and the volute, and a second part of the air channel is formed between the first pipe wall and the second pipe wall.

Specifically, the part of the first pipe wall corresponding to the cover body is recessed to form a volute, the fan blades are located at the volute, and after air flows into the air channel, the air flows along a continuous flow channel formed by the volute and the cover body and then flows to the second part of the air channel. The continuous flow channel formed between the volute and the wall surface of the cover body has a diffusion effect, the air flowing in from the first opening has higher speed, and flows through the continuous flow channel with the uniformly increased area, so that the turning of the air is reduced, the flow loss of the air is reduced, more energy is converted into dynamic pressure, the air quantity is favorably improved, and the conditions that the flow loss of the air is large due to the overlarge speed, the pneumatic performance is poor and the air outlet air quantity is reduced are avoided; furthermore, the continuous flow channel has the function of flow collection, reduces the occurrence frequency of phenomena of air flow separation, vortex and the like, and is beneficial to reducing the operation noise of products.

In any of the above technical solutions, further, the cooking appliance further includes: and the sealing element is positioned at the joint of the cover body and the appliance body.

In this technical scheme, cooking utensil still includes the sealing member, and the sealing member is located the junction of the cover body and utensil body, utilizes the sealing member to seal the junction of the cover body and utensil body to guarantee the gas tightness between the cover body and the utensil body, avoid the air current to leak by the junction of the cover body and utensil body, can guarantee the amount of wind, be favorable to reducing the running noise of product.

In particular, the seal comprises a rubber pad and/or a silicone pad.

In any of the above technical solutions, further, the heating element includes a heating tube, the heating tube is annular, and the fourth opening is located in an area surrounded by the heating tube; the cover body is provided with a connecting piece which is used for fixing the heating tube.

In this technical scheme, the heating member includes the heating tube, and the heating tube is cyclic annular, and the fourth opening is located the heating tube and encloses the region of establishing to guarantee to flow to fourth open-ended air and the effective heat transfer of heating tube, the fan during operation can guarantee the air and the produced heat homogeneous mixing of heating member work.

Furthermore, the cover body is provided with a connecting piece, and the heating tube is fixed by the connecting piece. Make heating tube and cover body assembly be a whole, so, the heating tube can not shift for the cover body, can guarantee heating tube and fourth open-ended cooperation size like this, provides stable and reliable structural support for the validity and the feasibility of cooking utensil culinary art.

In any of the above technical solutions, further, the connecting member includes: the first clamping part is arranged on the cover body, one part of the first clamping part is sunken towards the direction of the cover body to form a first clamping groove, and the first part of the heating piece is clamped in the first clamping groove; the second joint portion, with cover body detachable connections, a part of second joint portion is sunken in order to form the second draw-in groove towards the axis of rotation direction of fan, and the second part card of the piece that generates heat is located in the second draw-in groove.

In this technical scheme, the connecting piece includes first joint portion and second joint portion. First joint portion and second joint portion all are used for fixed the piece that generates heat.

Specifically, a part of the first clamping portion is sunken towards the direction of the cover body to form a first clamping groove, a part of the second clamping portion is sunken towards the direction of the rotation axis of the fan to form a second clamping groove, the first part of the heating piece is clamped in the first clamping groove, and the second part of the heating piece is clamped in the second clamping groove. That is to say, the heating element is in clamping fit with the first clamping groove, and the heating element is in clamping fit with the second clamping groove. Because the sunken direction of first draw-in groove is different with the sunken direction of second draw-in groove, so, first joint portion and second joint portion can be from a plurality of directions, a plurality of angles and the effective assembly of the piece that generates heat, have restricted the displacement of the piece that generates heat for the cover body, avoid generating heat the condition emergence of a landing by the cover body department.

Specifically, the cover body and first joint portion an organic whole are formed, and this structure setting is owing to saved the cover body and the assembly process of first joint portion, so simplified the cover body and the assembly of first joint portion and the process of follow-up dismantlement, be favorable to promoting assembly and dismantlement efficiency, and then reducible production and maintenance cost. In addition, the cover body and the first clamping part are integrally formed, so that the requirement on the size precision of product forming can be met.

Specifically, the cover body is detachably connected with the second clamping portion, and the connection mode of the cover body and the second clamping portion is any one of or a combination of the following modes: clamping, screwing, magnetic attraction and fastening connection through a fastener (such as a screw, a bolt or a rivet).

The cover body and second joint portion detachable connections, namely, can decide the dismouting of second joint portion and decide the mounted position of second joint portion for the cover body according to actual conditions, and then applicable different models generate heat the user demand of piece, and the strong adaptability of product has promoted the performance of product.

In any of the above technical solutions, further, the cooking appliance further includes: the shell is connected with the appliance body, an accommodating cavity is enclosed between the shell and the appliance body, the flow guide device is positioned in the accommodating cavity, and the controller is arranged in the accommodating cavity; and the microwave generator is arranged in the accommodating cavity and communicated with the cooking cavity, and the microwave generator is electrically connected with the controller.

In this solution, the cooking appliance further comprises a housing and a microwave generator. Wherein, shell and this body coupling of utensil, close between shell and the utensil body and enclose out and hold the chamber, hold the effect that the chamber has holding guiding device and positioning controller to play the effect of keeping apart guiding device and controller, avoid steam, filth among the environment etc. to enter into guiding device and controller department, guarantee the cleanliness factor of guiding device and controller department, be favorable to prolonging the life of product.

Further, the microwave generator is arranged in the containing cavity, and the microwave generator is communicated with the cooking cavity. Because the microwave generator is electrically connected with the controller, the controller can control the microwave generator to work. The microwave generator works to convey microwaves into the cooking cavity, and the microwaves are utilized to heat food materials in the cooking cavity, so that the purpose of cooking the food materials is achieved.

In any of the above technical solutions, further, the cooking appliance further includes: the door body is connected with the appliance body and is used for opening or closing the cooking cavity; the door body is provided with a heat insulation part and a control panel, and a controller of the control panel is electrically connected with the control panel

In this technical scheme, cooking utensil still includes the door body, and the door body is connected with the utensil body, and the door body can rotate for the utensil body. Specifically, the door body has an effect of opening or closing the cooking cavity.

Because the door body is equipped with thermal-insulated portion, thermal-insulated portion has the effect of separation heat transfer to the heat of separation cooking utensil's culinary art intracavity is to the transmission of door body. The temperature of the outer surface of the door body can be reduced, so that the condition that a user is scalded can be effectively avoided, and the safety and the reliability of product use can be improved.

Furthermore, the door body is provided with a control panel, the control panel is electrically connected with the controller, and a user can achieve the purpose of cooking food materials by triggering the control panel.

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 first exploded view of a cooking appliance of an embodiment of the present invention;

fig. 2 shows a second exploded view of the cooking appliance of one embodiment of the present invention;

FIG. 3 shows a schematic structural view of an appliance body and a microwave generator of one embodiment of the present invention;

FIG. 4 shows a schematic structural view of an appliance body, a microwave generator, a deflector and a second motor of one embodiment of the present invention;

FIG. 5 shows a schematic structural view of an appliance body of one embodiment of the present invention;

FIG. 6 shows an exploded view from a first perspective of the appliance body, cover plate and power section of one embodiment of the present invention;

FIG. 7 shows an exploded view of a second perspective of the appliance body, cover plate and power section of one embodiment of the present invention;

FIG. 8 is a schematic structural view of a first perspective of the appliance body, cover and power section in a first state in accordance with one embodiment of the present invention;

FIG. 9 is a schematic structural view of a second perspective of the appliance body, cover and power section of one embodiment of the present invention in a first state;

FIG. 10 is a schematic structural view of a first perspective of the appliance body, cover and power section in a second state in accordance with an embodiment of the present invention;

FIG. 11 is a schematic structural view of a second perspective of the appliance body, cover and power section in a second state in accordance with an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a heat generating component, fan blades and a flow guiding device according to an embodiment of the invention;

fig. 13 is an exploded view of the heat generating member, fan blades and deflector shown in fig. 12.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 13 is:

100, a cooking appliance, 110, a cooking cavity 112, a first opening 114, a second opening 116, a top wall 118, a side wall 120, a first overflowing hole 122, a flow guide device 130, an air duct 132, a 138 cover body, a fourth opening 140, a flow guide pipe 142, a first pipe wall 144, a second pipe wall 146, a volute 148, a power part 149, a first motor 150, a second motor 152, fan blades 154, a third air duct section 156, a fourth air duct section 158, a heat generating element 160, a connecting element 180, a first clamping part 182, a second clamping part 184, a shell 190, a microwave generator 200, a door 210, a cover plate 220, a third opening 222, a shielding part 224, a second overflowing hole 226, a rack 230 and a gear 240.

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 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 cooking appliance 100 according to some embodiments of the present invention is described below with reference to fig. 1 to 13.

Example 1:

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 12 and fig. 13, an embodiment of the first aspect of the present invention provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover plate 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

The appliance body 110 is provided with a cooking cavity 112, a first opening 114 and a second opening 116, both the first opening 114 and the second opening 116 communicating with the cooking cavity 112.

The cover 220 is movably connected to the fixture body 110, and the cover 220 can move relative to the fixture body 110 to adjust the flow cross-sectional area of the first opening 114.

The air guide device 130 is disposed at one side of the appliance body 110, the air guide device 130 is provided with an air duct 132, a first end of the air duct 132 is connected to the first opening 114, and a second end of the air duct 132 is connected to the second opening 116.

The fan 154 is disposed at the first end of the air guiding device 130 and is communicated with the air duct 132.

The heat generating member 160 is disposed at a first end of the air guiding device 130 and is communicated with the air duct 132.

Power portion 149 is connected to blade 154 and cover plate 220, and power portion 149 is used for driving cover plate 220 and blade 154 to work.

The controller is electrically connected with the heat generating member 160 and the power part 149, and the controller is used for controlling the heat generating member 160 and the power part 149 to operate according to the operation mode of the cooking appliance 100.

In detail, the cooking appliance 100 includes an appliance body 110, a cover plate 220, a deflector 130, fan blades 154, a heat generating member 160, a power part 149, and a controller. The appliance body 110 includes a cooking cavity 112 and first and

second openings

114 and 116 in communication with the cooking cavity 112. The air guide device 130 is provided with an air duct 132, the air duct 132 has a first end and a second end, the first end of the air duct 132 is connected to the first opening 114, and the second end of the air duct 132 is connected to the second opening 116.

Specifically, the controller is electrically connected to both the power part 149 and the heat generating member 160. The controller can control the power part 149 to operate according to the operation mode of the cooking appliance 100 to adjust the matching size of the cover plate 220 and the first opening 114, so as to adjust the flow cross-sectional area of the first opening 114. The controller can also control the power part 149 to operate to drive the fan blade 154 to rotate or stop rotating according to the operation mode of the cooking appliance 100. The controller can also control the operation or stop of the heat generating member 160 according to the operation mode of the cooking appliance 100. That is, the operation mode of the cooking appliance 100 has a correlation with the flow cross-sectional area of the first opening 114 and the operation state of the heat generating member 160.

The appliance body 110, the cover plate 220, the flow guide device 130, the fan blades 154, the heating element 160, the power part 149 and the controller are reasonably arranged in the appliance.

Reduce the cross sectional area that overflows of first opening 114, can guarantee that power portion 149 drive flabellum 154 when rotating, the air in culinary art chamber 112 can be by first opening 114 suction wind channel 132 under the effect of flabellum 154, can reduce or even avoid the heat of passing through first opening 114 to culinary art intracavity 112 with heat radiating mode again, the flabellum 154 rotates and can takes away the heat that generates heat piece 160 department, behind wind channel 132, flow towards culinary art chamber 112 through second opening 116, with heated air circulation's mode, with the mode of stable low heat flux density and the heat transfer of edible material, reach the purpose of culinary art edible material.

Or the flow cross-sectional area of the first opening 114 is increased, heat generated by the operation of the heat generating element 160 is transferred to the food material in a radiation mode through the first opening 114, meanwhile, the fan blades 154 rotate to generate large air volume, and the large air volume sends the heat of the heat generating element 160 into the cooking cavity 112 through the air duct 132 and the second opening 116, so that the food material is cooked in a high heat flow density heat exchange mode.

This arrangement allows the flow cross-sectional area of the first opening 114 and the operating state of the heat generating member 160 to be specifically adjusted according to the operating mode of the cooking appliance 100, so that the heat exchange pattern between the heat and the food material can be adjusted, and the flow path of the hot air flow can be adjusted to meet the use requirements of the hot air mode and the air-frying mode. This be provided with and do benefit to the performance that promotes the product, and then be favorable to the market competition of product.

It is understood that the flow cross-sectional area of the first opening 114 refers to an area of a shape enclosed by the outline of the first opening 114 in a cross-section taken along a direction perpendicular to the center line of the first opening 114.

Example 2:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to embodiment 1, embodiment 2 provides a cooking appliance 100, and the cooking appliance 100 includes an appliance body 110, a cover plate 220, a deflector 130, fan blades 154, a heat generating member 160, a power part 149 and a controller.

Further, as shown in fig. 8, 9, 10, and 11, the cover plate 220 is switchable between a first state and a second state with respect to the appliance body 110.

The cooking appliance 100 has at least a hot air mode and an air-fry mode, the hot air mode corresponds to the first state, and the air-fry mode corresponds to the second state; the flow cross-sectional area of the first opening 114 in the first state is smaller than the flow cross-sectional area of the first opening 114 in the second state.

In detail, the cooking appliance 100 has at least a hot wind mode and an air-fry mode, and the cover plate 220 is switchable between a first state and a second state with respect to the appliance body 110. The operation mode of the cooking appliance 100 has a correlation with the flow cross-sectional area of the first opening 114. Specifically, the hot air mode corresponds to a first state, the control mode corresponds to a second state, and the flow cross-sectional area of the first opening 114 in the first state is smaller than the flow cross-sectional area of the first opening 114 in the second state.

Specifically, as shown in fig. 8 and 9, in the hot wind mode, the controller controls the power part 149 to operate to drive the cover plate 220 to switch to the first state, in which the flow cross-sectional area of the first opening 114 is small, so that heat generated by the operation of the heat generating member 160 can be blocked from being transferred into the cooking cavity 112 in a radiation manner. Meanwhile, the controller controls the power part 149 to work to drive the fan blade 154 to rotate, the fan blade 154 can generate large air volume, the large air volume takes away most of heat generated by the heating tube, and the heat flows to the cooking cavity 112 through the second opening 116 after passing through the air duct 132 to form hot air circulation, so that a stable heat exchange mode with low heat flow density energy is provided for food, and the hot air requirement is met.

Specifically, as shown in fig. 10 and 11, in the air-frying mode, the controller controls the power part 149 to operate to drive the cover plate 220 to switch to the second state, in which the flow cross-sectional area of the first opening 114 is large, and heat is mainly transferred in a radiation heat exchange manner, and at this time, the heat can be transferred to the food material in a radiation manner through the first opening 114. Meanwhile, the controller controls the power part 149 to work to drive the fan blades 154 to rotate, the fan blades 154 can rotate to generate large air volume, and the large air volume sends heat generated by the operation of the heating element 160 into the cooking cavity 112 through the air duct 132 and the second opening 116 to form high heat flow density heat exchange, so that the air-frying requirement is met.

Example 3:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to embodiment 2, embodiment 3 provides a cooking appliance 100, and the cooking appliance 100 includes an appliance body 110, a cover plate 220, a deflector 130, fan blades 154, a heat generating member 160, a power part 149 and a controller.

The cover 220 is switchable between a first state and a second state with respect to the appliance body 110.

Further, as shown in fig. 6, 7 and 8, the cover plate 220 includes a third opening 222 and a blocking portion 224.

As shown in fig. 8 and 9, in the first state, the third opening 222 is provided corresponding to the first portion of the first opening 114, and the shielding portion 224 can shield the second portion of the first opening 114.

As shown in fig. 10 and 11, in the second state, the third opening 222 is provided corresponding to the third portion of the first opening 114, and the blocking portion 224 can avoid the first opening 114.

In detail, the cover plate 220 includes a third opening 222 and a blocking portion 224.

In the first state, the third opening 222 is provided corresponding to a first portion of the first opening 114, and in the second state, the third opening 222 is provided corresponding to a third portion of the first opening 114. That is, the third opening 222 communicates with the first opening 114 in both the first state and the second state. Thus, in the hot air mode and the air-frying mode, when the power portion 149 drives the fan blades 154 to rotate, the air in the cooking cavity 112 can be sucked into the air duct 132 through the first opening 114 under the action of the fan blades 154.

In addition, in the first state, the shielding portion 224 can shield the second portion of the first opening 114, that is, the shielding portion can reduce the flow cross-sectional area of the first opening 114, so as to block heat generated by the operation of the heat generating member 160 from being transferred into the cooking cavity 112 in a radiation manner.

In addition, in the second state, the shielding portion 224 can avoid the first opening 114, that is, the first opening 114 is not shielded by the shielding portion 224, that is, the effect of increasing the flow cross-sectional area of the first opening 114 is achieved. Thus, heat transfer in a radiation heat exchange manner can be ensured.

Further, as shown in fig. 6-11, the first opening 114 includes a plurality of first flow holes 122; the cover plate 220 further includes a plurality of second overflowing holes 226, and a portion of the cover plate 220 between two adjacent second overflowing holes 226 forms a blocking portion 224.

In the first state, the blocking portion 224 is disposed to correspond to a portion of the first overflowing holes 122 among the plurality of first overflowing holes 122.

In the second state, the first overflowing hole 122 is disposed corresponding to the second overflowing hole 226.

Wherein the first opening 114 includes a plurality of first overflowing holes 122, the cover plate 220 includes a plurality of second overflowing holes 226, and a portion of the cover plate 220 located between two adjacent second overflowing holes 226 forms a blocking portion 224. Through appropriate arrangement of the matching structures of the plurality of first overflowing holes 122, the plurality of second overflowing holes 226 and the shielding portion 224, in the first state, the shielding portion 224 is arranged corresponding to a part of the first overflowing holes 122 in the plurality of first overflowing holes 122, that is, the shielding portion 224 can shield a part of the first overflowing holes 122 in the plurality of first overflowing holes 122, so as to reduce the overflowing cross-sectional area of the first opening 114.

In addition, in the second state, the first overflowing hole 122 is disposed corresponding to the second overflowing hole 226, and the blocking portion 224 avoids the first overflowing hole 122 to play a role of increasing the overflowing cross-sectional area of the first opening 114.

This arrangement provides effective and reliable structural support for cooking appliance 100 in both hot air mode and air-fry mode.

It is understood that the cover plate 220 includes a third opening 222 and a plurality of second overflowing holes 226, the plurality of second overflowing holes 226 are located on the peripheral side of the third opening 222, and the portion of the cover plate 220 located between two adjacent second overflowing holes 226 forms a blocking portion 224.

Further, as shown in fig. 6 and 7, the cross-sectional shape of the third opening 222 is an ellipse.

The third opening 222 is configured to have an oval cross section, and the third opening 222 can be configured to ensure that the cover plate 220 moves relative to the appliance body 110, so that when the first state and the second state are switched, the third opening 222 can correspond to a part of the first opening 114, and the air suction of the fan blade 154 is not affected by the movement of the cover plate 220. Has the advantages of simple processing technology and low production cost.

Example 4:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 4 provides a cooking appliance 100, and the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, a fan 154, a heat generating member 160, a power portion 149 and a controller.

Further, as shown in fig. 6 to 11, one of the power portion 149 and the cover plate 220 is provided with a rack 230, and the other is provided with a gear 240, and the rack 230 is engaged with the gear 240.

In detail, the matching structure of the power part 149 and the cover plate 220 is properly arranged, so that one of the power part 149 and the cover plate 220 is provided with the rack 230, and the other is provided with the gear 240. For example, the power portion 149 is provided with a rack 230, and the cover plate 220 is provided with a gear 240; for another example, the power portion 149 may be provided with a gear 240 and the cover plate 220 may be provided with a rack 230. The rack 230 is engaged with the gear 240, and the gear 240 rotates to drive the rack 230 to move, thereby achieving the purpose of moving the cover plate 220 relative to the appliance body 110.

Specifically, as shown in fig. 6 and 7, the power portion 149 includes a first motor 150, and the first motor 150 is used for driving the cover plate 220 to move relative to the appliance body 110. The first motor 150 includes a gear 240.

Example 5:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 5 provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

Further, one of the power portion 149 and the cover plate 220 is provided with a worm wheel, and the other is provided with a worm, the worm wheel being engaged with the worm.

In detail, the matching structure of the power part 149 and the cover plate 220 is properly arranged, so that one of the power part 149 and the cover plate 220 is provided with a worm wheel, and the other is provided with a worm. For example, the power portion 149 is provided with a worm gear, and the cover plate 220 is provided with a worm; for another example, the power portion 149 may have a worm gear and the cover plate 220 may have a worm gear. The worm wheel is engaged with the worm, and the worm wheel can drive the worm to move, so that the cover plate 220 can move relative to the appliance body 110.

Example 6:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 6 provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

Further, the power portion 149 includes a shaft, and the cover plate 220 has a shaft hole, and the shaft is connected to the shaft hole.

In detail, the power portion 149 includes a rotating shaft, the cover plate 220 has a shaft hole, the rotating shaft passes through the shaft hole and is connected to a hole wall of the shaft hole, and the rotating shaft rotates to drive the cover plate 220 to rotate relative to the rotating shaft, so as to achieve the purpose that the cover plate 220 moves relative to the appliance body 110.

Specifically, the cover plate 220 is provided with a third opening 222, and the cross-section of the third opening 222 is elliptical in shape.

Example 7:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 7 provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

Further, as shown in fig. 3 and 4, the appliance body 110 has a top wall 118 and a side wall 120, the side wall 120 being connected to one side of the top wall 118, one of the top wall 118 and the side wall 120 being provided with a first opening 114, and at least one of the top wall 118 and the side wall 120 being provided with a second opening 116.

In detail, the fixture body 110 includes a top wall 118 and a side wall 120, the side wall 120 being connected to the top wall 118. The positions of the first opening 114 and the second opening 116 may be set according to specific practical use requirements.

Specifically, the top wall 118 of the appliance body 110 is provided with a first opening 114. Alternatively, the sidewall 120 of the appliance body 110 is provided with the first opening 114.

Specifically, the top wall 118 of the appliance body 110 is provided with a second opening 116. Alternatively, the sidewall 120 of the appliance body 110 is provided with the second opening 116. Alternatively, both the top wall 118 and the side wall 120 of the appliance body 110 are provided with the second opening 116.

When both the top wall 118 and the side wall 120 of the appliance body 110 are provided with the second openings 116, that is, the number of the second openings 116 is plural, a part of the second openings 116 of the plurality of second openings 116 is provided in the top wall 118 of the appliance body 110, and another part of the second openings 116 of the plurality of second openings 116 is provided in the side wall 120 of the appliance body 110. This setting has increased the cooperation area of second opening 116 with culinary art chamber 112, has increased the cooperation angle of second opening 116 with culinary art chamber 112, is favorable to promoting the temperature equilibrium and the uniformity of culinary art intracavity 112 interior different positions department, can guarantee to eat the equilibrium of material being heated, is favorable to promoting to eat the material taste.

Further, the first opening 114 is disposed in the top wall 118, and the second opening 116 is disposed in the side wall 120.

In particular, the positions of the first opening 114 and the second opening 116 are defined, wherein the first opening 114 is provided in the top wall 118 and the second opening 116 is provided in the side wall 120.

Specifically, the sidewall 120 of the appliance body 110 is provided with the second opening 116, and the hot air flows to the cooking cavity 112 through the second opening 116, so that the hot air forms a horizontal hot air circulation, which is beneficial to improving the equalization of the temperature in the cooking cavity 112.

Specifically, the top wall 118 of the appliance body 110 is provided with the first opening 114, which is beneficial to radiation-enhanced heat exchange and can ensure the air frying effect.

Example 8:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 8 provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

Further, the number of the second openings 116 is plural.

The air duct 132 includes: a first air duct 132, the first air duct 132 having a third end and a fourth end, the third end being connected to the first opening 114.

A plurality of second air duct 132 segments, the second air duct 132 segments having a fifth end and a sixth end, the fifth end of each second air duct 132 segment being connected to the fourth end, the sixth end of each second air duct 132 segment being connected to one of the second openings 116.

In detail, the air duct 132 includes a first air duct 132 section and a plurality of second air duct 132 sections. And reasonably defines the matching structure of the first opening 114, the first air duct 132 segment, the plurality of second air duct 132 segments and the second opening 116, specifically, the first air duct 132 segment has a third end and a fourth end, the second air duct 132 segment has a fifth end and a sixth end, the fifth end of each second air duct 132 segment is connected to the fourth end of the first air duct 132 segment, and the sixth end of each second air duct 132 segment is connected to one second opening 116. This setting makes and is divided into the stranded by a plurality of second wind channel 132 sections by the air current in first opening 114 flow direction wind channel 132, and the hot-blast circulation of a plurality of hot-air follow not equidirectional, different positions flow to culinary art chamber 112 simultaneously, formation a plurality of directions is favorable to promoting the equalization of the temperature in the culinary art chamber 112, provides effective and reliable structural support for the equilibrium and the uniformity that the edible material was heated.

Example 9:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 9 provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

Further, as shown in fig. 2, 12 and 13, the deflector 130 includes a housing 138 and a flow conduit 142.

The cover 138 is connected to the outer surface of the device body 110 and covers the first opening 114, the cover 138 has a fourth opening 140, and the cover plate 220 is located between the cover 138 and the device body 110.

The flow conduit 142 is positioned on one side of the enclosure 138, and the flow conduit 142 is coupled between the fourth opening 140 and the second opening 116.

The heat generating member 160 is located between the cover 138 and the appliance body 110, and the heat generating member 160 is located on the peripheral side of the fourth opening 140.

Wherein the fan blades 154 are disposed on the flow guide tube 142.

In detail, the air guiding device 130 includes a cover 138 and a duct 142, and the cover 138 is connected to the outer surface of the appliance body 110, that is, an area for accommodating the heat generating element 160 is enclosed between the inner surface of the cover 138 and the outer surface of the appliance body 110.

It can be appreciated that the heat generated by the operation of the heat generating member 160 can effectively heat the air in the region between the cover 138 and the appliance body 110, provide effective and reliable structural support for the food material in the cooking cavity 112 in the hot air mode in the heated air circulation mode, and provide effective and reliable structural support for the food material in the cooking cavity 112 in the air-frying mode in the heat transfer manner in the radiation heat exchange mode.

In addition, the heat generating member 160 is located at the peripheral side of the fourth opening 140, and when the fan blades 154 rotate, the air and the heat generated by the operation of the heat generating member 160 can be uniformly mixed.

In addition, the cover 220 is located between the cover 138 and the appliance body 110, and the cover 138 and the appliance body 110 have the function of protecting the cover 220, so as to prevent external force from directly acting on the cover 220, which is beneficial to prolonging the service life of the product and providing structural support for the cover 220 to move relative to the appliance body 110.

Specifically, the power portion 149 includes a second motor 152, the second motor 152 is disposed on the flow guide tube 142, and the second motor 152 is connected to the fan 154.

Further, as shown in fig. 12 and 13, the flow conduit 142 includes a first conduit wall 144 and a second conduit wall 146.

The first pipe wall 144 is connected to the housing 138, a portion of the first pipe wall 144 corresponding to the housing 138 is recessed to form a volute 148, and the fan 154 is located at the volute 148.

The second tube wall 146 is connected to a side of the first tube wall 144 facing the housing 138, and the second tube wall 146 is located on a side of the volute 148.

Wherein a first portion of the air path 132 is formed between the cover 138 and the volute 148, and a second portion of the air path 132 is formed between the first tube wall 144 and the second tube wall 146.

The flow guide tube 142 includes a first tube wall 144 and a second tube wall 146, and the cover 138, the first tube wall 144 and the second tube wall 146 cooperate to form a first portion of the air channel 132 between the cover 138 and the volute 148, and form a second portion of the air channel 132 between the first tube wall 144 and the second tube wall 146.

Specifically, the portion of the first pipe wall 144 corresponding to the cover 138 is recessed to form a volute 148, and the fan 154 is located at the volute 148, so that after the air flows into the air duct 132, the air flows along the continuous flow path formed by the volute 148 and the cover 138, and then flows to the second portion of the air duct 132. The continuous flow channel formed between the volute 148 and the wall surface of the cover 138 has a diffusion effect, the air flowing in from the first opening 114 has a higher speed, and flows through the continuous flow channel with an evenly increased area, so that the turning of the air is reduced, the flow loss of the air is reduced, more energy is converted into dynamic pressure, the air quantity is improved, and the situations that the flow loss of the air is large due to the overlarge speed, the pneumatic performance is poor, and the air outlet air quantity is reduced are avoided; furthermore, the continuous flow channel has the function of flow collection, reduces the occurrence frequency of phenomena of air flow separation, vortex and the like, and is beneficial to reducing the operation noise of products.

Further, the cooking appliance 100 further includes a sealing member located at the junction of the cover 138 and the appliance body 110.

The cooking utensil 100 further comprises a sealing element, the sealing element is located at the joint of the cover 138 and the utensil body 110, and the joint of the cover 138 and the utensil body 110 is sealed by the sealing element, so that the air tightness between the cover 138 and the utensil body 110 is guaranteed, the air flow is prevented from leaking from the joint of the cover 138 and the utensil body 110, the air volume can be guaranteed, and the reduction of the operation noise of products is facilitated.

In particular, the seal comprises a rubber pad and/or a silicone pad.

Further, as shown in fig. 12 and 13, the heat generating member 160 includes a heat generating tube, the heat generating tube is annular, and the fourth opening 140 is located in an area surrounded by the heat generating tube; the cover 138 is provided with a connector 180, and the connector 180 is used for fixing the heating tube.

Wherein, the heating member 160 includes the heating tube, and the heating tube is cyclic annular, and fourth opening 140 is located the heating tube and encloses the region of establishing to guarantee the effective heat transfer of the air that flows to fourth opening 140 and heating tube, the fan during operation can guarantee the air and the produced heat homogeneous mixing of the work of the heating member 160.

In addition, the cover 138 is provided with a connector 180, and the heating tube is fixed by the connector 180. Make the heating tube and the cover 138 assemble as a whole, so, the heating tube can not shift for the cover 138, can guarantee the cooperation size of heating tube and fourth opening 140 like this, provides stable and reliable structural support for the validity and the feasibility of cooking utensil 100 culinary art.

Further, the connection member 180 includes: the first clamping portion 182 is arranged on the cover 138, a part of the first clamping portion 182 is recessed towards the cover 138 to form a first clamping groove, and a first part of the heating element 160 is clamped in the first clamping groove; the second clamping portion 184 is detachably connected to the cover 138, a portion of the second clamping portion 184 is recessed toward the rotation axis of the blower to form a second clamping groove, and a second portion of the heating element 160 is clamped in the second clamping groove.

The connecting member 180 includes a first engaging portion 182 and a second engaging portion 184. The first clamping portion 182 and the second clamping portion 184 are used for fixing the heat generating member 160.

Specifically, a portion of the first engaging portion 182 is recessed toward the cover 138 to form a first engaging groove, a portion of the second engaging portion 184 is recessed toward the rotational axis of the fan to form a second engaging groove, the first portion of the heat generating member 160 is engaged with the first engaging groove, and the second portion of the heat generating member 160 is engaged with the second engaging groove. That is, the heat generating member 160 is engaged with the first slot, and the heat generating member 160 is engaged with the second slot. Because the sunken direction of first draw-in groove is different with the sunken direction of second draw-in groove, so, first joint portion 182 and second joint portion 184 can be from a plurality of directions, a plurality of angles and the effective assembly of piece 160 that generates heat, have restricted the displacement of piece 160 that generates heat for cover 138, avoid generating heat piece 160 by the condition emergence of cover 138 department landing.

Specifically, the cover 138 and the first clamping portion 182 are integrally formed, and the structure simplifies the assembly and subsequent disassembly processes of the cover 138 and the first clamping portion 182 due to the fact that the assembly process of the cover 138 and the first clamping portion 182 is omitted, so that the assembly and disassembly efficiency is improved, and the production and maintenance cost can be reduced. In addition, the cover 138 and the first clamping portion 182 are integrally formed, so that the requirement of the dimensional accuracy of product molding can be met.

Specifically, the cover 138 and the second fastening portion 184 are detachably connected, and the connection manner of the cover 138 and the second fastening portion 184 is any one of the following connection manners or a combination thereof: clamping, screwing, magnetic attraction and fastening connection through a fastener (such as a screw, a bolt or a rivet).

Cover 138 and second joint portion 184 detachable connections, namely, can decide the dismouting of second joint portion 184 and decide the mounted position of second joint portion 184 for cover 138 according to actual conditions, and then applicable different models generate heat the user demand of piece 160, and the strong adaptability of product has promoted the performance of product.

Example 10:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 10 provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

Further, as shown in fig. 2, the cooking appliance 100 further includes a housing 190 and a microwave generator 200.

The housing 190 is connected with the appliance body 110, a containing cavity is enclosed between the housing 190 and the appliance body 110, the flow guide device 130 is located in the containing cavity, and the controller is located in the containing cavity.

The microwave generator 200 is arranged in the accommodating cavity and communicated with the cooking cavity 112, and the microwave generator 200 is electrically connected with the controller.

In detail, the cooking appliance 100 further includes a housing 190 and a microwave generator 200. Wherein, shell 190 is connected with utensil body 110, encloses out between shell 190 and the utensil body 110 and holds the chamber, holds the effect that the chamber has holding guiding device 130 and positioning controller to play the effect of keeping apart guiding device 130 and controller, avoid steam, filth among the environment to enter into guiding device 130 and controller department, guarantee the cleanliness factor of guiding device 130 and controller department, be favorable to prolonging the life of product.

In addition, the microwave generator 200 is provided in the accommodating chamber, and the microwave generator 200 communicates with the cooking chamber 112. Since the microwave generator 200 is electrically connected to the controller, the controller can control the operation of the microwave generator 200. The microwave generator 200 operates to supply microwaves into the cooking cavity 112, and the microwaves are used to heat the food in the cooking cavity 112, thereby cooking the food.

Example 11:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 12 and 13, in addition to any of the above embodiments, embodiment 11 provides a cooking appliance 100, where the cooking appliance 100 includes an appliance body 110, a cover 220, a deflector 130, fan blades 154, a heat generating member 160, a power portion 149 and a controller.

Further, as shown in fig. 1, the cooking appliance 100 further includes a door 210, the door 210 is connected to the appliance body 110, and the door 210 is used for opening or closing the cooking cavity 112; the door body 210 is provided with a heat insulation part and a control panel, and the control panel controller is electrically connected.

In detail, the cooking appliance 100 further includes a door 210, the door 210 is connected to the appliance body 110, and the door 210 is rotatable with respect to the appliance body 110. Specifically, the door body 210 has a function of opening or closing the cooking chamber 112.

Since the door 210 is provided with the heat insulation portion, the heat insulation portion has an effect of blocking heat transfer, so as to block heat transfer in the cooking cavity 112 of the cooking appliance 100 to the door 210. The temperature of the outer surface of the door body 210 can be reduced, so that the condition that a user is scalded can be effectively avoided, and the safety and the reliability of product use can be improved.

In addition, the door body 210 is provided with a control panel, the control panel is electrically connected with the controller, and a user can achieve the purpose of cooking food materials by triggering the control panel.

Further, as shown in FIG. 13, the air chute 132 includes a third air chute section 156 and a fourth air chute section 158.

The third air duct section 156 is connected to the first opening 114, and the third air duct section 156 is disposed corresponding to the top wall 118 of the appliance body 110.

The fourth air duct section 158 is disposed corresponding to the sidewall 120 of the appliance body 110, and the fourth air duct section 158 connects the third air duct section 156 and the second opening 116.

Wherein the air duct 132 includes a third air duct section 156 and a fourth air duct section 158. The third air duct section 156 is disposed corresponding to the top wall 118 of the appliance body 110, the fourth air duct section 158 is disposed corresponding to the sidewall 120 of the appliance body 110, one end of the fourth air duct section 158 is connected to the third air duct section 156, and the other end of the fourth air duct section 158 is connected to the second opening 116.

Specifically, the side wall 120 of the appliance body 110 is perpendicular to the plane of the top wall 118 of the appliance body 110, that is, the shape enclosed by the third air duct section 156 and the fourth air duct section 158 is an "L" shaped structure. That is, the third air duct section 156 and the fourth air duct section 158 form a closed structure shape, and the third air duct section and the fourth air duct section are matched with the side wall 120 and the top wall 118 of the appliance body 110, so that the arrangement can ensure that the flow path of the air flow is effectively limited, and at the same time, the occupancy rate of the flow guide device 130 to the internal space of the cooking appliance 100 can be reduced, thereby being beneficial to realizing the lightness of the cooking appliance 100.

Of course, in the longitudinal section of the device body 110, the included angle between the outer contour line of the top wall 118 and the outer contour line of the side wall 120 may be an acute angle or an obtuse angle. And the third air duct section 156 and the fourth air duct section 158 are configured to fit the side wall 120 and the top wall 118 of the fixture body 110. Wherein the longitudinal section is parallel to the direction of gravity.

Further, the opening wall of the fourth opening 140 of the cover 138 is located between the rotation axis of the fan 154 and the outer edge of the fan 154. That is, the positional relationship of the rotational axis of the fan 154, the outer edge of the fan 154, and the fourth opening 140 is defined. This arrangement prevents the air from being thrown into the housing 138 when the fan blades 154 are operating at a higher speed, so that the air can be blown into the cooking cavity 112 through the air duct 132 of the air guiding device 130.

Specifically, the fan 154 is a centrifugal fan 154.

Further, the number of the motors and the fan blades 154 is plural, and each motor is connected to one fan blade 154.

The number of the motors is plural, the number of the fan blades 154 is also plural, and each motor is connected with one fan blade 154. This can be used to selectively control the operation of multiple blades 154 simultaneously or control the operation of a portion of the blades 154 according to the operation mode of the cooking apparatus 100. The setting can satisfy diversified user demand of product, is favorable to promoting the performance and the market competition of product.

Specifically, the heat insulating portion is heat insulating glass.

Example 12:

the cooking appliance 100 of the present application can satisfy both the air-fry mode demand and the hot air mode demand by reappearing the distribution of heat.

In the air-frying mode, heat is transferred primarily in a radiative heat transfer manner, at which time heat may be transferred in a radiative manner to the food material through the first opening 114 of the top wall 118 of the device body. Meanwhile, the second motor 152 drives the fan blades 154 to rotate, so as to generate a large air volume, and the large air volume sends the heat of the heating member 160 into the cooking cavity 112 through the second opening 116, thereby forming a high heat flux heat exchange.

In the hot wind mode, the first motor 150 drives the cover plate 220 to move, and the cover plate 220 covers a portion of the first opening 114, so that heat exchange to the food material in the form of radiation can be blocked. Meanwhile, the second motor 152 drives the fan blades 154 to rotate, the second motor 152 can generate a large air volume, and the large air volume sends the heat of the heating member 160 into the cooking cavity 112 through the second opening 116, so as to realize the hot air function.

As shown in fig. 1, the cooking appliance 100 includes an appliance body 110 and a door body 210, and a cooking cavity 112 is formed in the appliance body 110.

As shown in fig. 2, 3 and 4, the cooking appliance 100 further includes a housing 190, a deflector 130, a first motor 150, a second motor 152, fan blades 154, a heat generating member 160, a controller and a microwave generator 200.

The door body 210 includes a heat insulating portion and a control panel. Specifically, the heat insulating portion is heat insulating glass.

As shown in fig. 12 and 13, the flow guiding device 130 includes a housing 138 and a flow guiding tube 142, the flow guiding tube 142 includes a first tube wall 144 and a second tube wall 146, and the first tube wall 144 forms a volute 148. The first portion of the air path 132 is formed between the housing 138 and the volute 148, and the second portion of the air path 132 is formed between the first duct wall 144 and the second duct wall 146.

Specifically, the heat generating member 160 includes a heat generating tube. The heating tube is installed inside the cover 138 through a connector 180.

The enclosure 138 is provided with a fourth opening 140. The power section 149 includes a second motor 152. The second motor 152 drives the fan blade 154 to rotate, centrifugal force is generated at the edge of the fan blade 154 to throw out air, a negative pressure is formed at the center of the fan blade 154, and outside air enters the center of the fan blade 154 through the fourth opening 140 of the cover 138, is thrown out along with the fan blade 154, and is finally blown out from the second opening 116 through the air duct 132. When the heat generating tube is operated, air introduced into the fan blades 154 passes through the heat generating tube to form hot air.

The first duct wall 144 has a volute 148, which facilitates increasing wind speed, the first duct wall 144 is sealed against the cover 138 to form a first portion of the wind path 132, a second portion of the wind path 132 is formed between the first duct wall 144 and the second duct wall 146, and the first portion of the wind path 132 is connected to the second portion of the wind path 132. This forms an air path 132 in the shape of a volute 148 having an inlet from the third opening 222 of the housing 138 and an outlet from the end of the air path 132.

The outlet is designed at the end of the air duct 132, when the deflector 130 is mounted on the appliance body 110, the cover 138 is sealed with the top wall 118 of the appliance body 110, the cover 138 and the top wall 118 of the appliance body 110 form a closed space, and then the air in the cooking cavity 112 can enter the cover 138 through the first opening 114 on the top wall 118 of the appliance body 110. The side wall 120 of the appliance body 110 is provided with a second opening 116, the second opening 116 is communicated with an outlet of the air duct 132, so that air heated by the heating tube flows back to the cooking cavity 112 through the air duct 132 to form a hot air circulation.

A cover 220 is positioned between the cover 138 and the appliance body, the cover 220 being movable relative to the appliance body 110. The cover plate 220 is provided with a rack 230, and the power part 149 includes a first motor 150, the first motor 150 having a gear 240, the gear 240 being engaged with the rack 230. The first motor 150 rotates to drive the rack 230 to slide back and forth, and the cover plate 220 moves.

When cover plate 220 is in the first state, second flow aperture 226 of cover plate 220 is misaligned with first flow aperture 122 of top wall 118 of fixture body 110. That is, the blocking portion 224 of the cover plate 220 (the blocking portion 224 is formed at a portion of the cover plate 220 located between two adjacent second overflowing holes 226) corresponds to a portion of the first overflowing holes 122 in the plurality of first overflowing holes 122.

When cover plate 220 is in the second state, second flow aperture 226 of cover plate 220 coincides with first flow aperture 122 of top wall 118 of fixture body 110.

The cover plate 220 is further provided with a third opening 222, and the third opening 222 is disposed corresponding to a portion of the first opening 114 in the first state and the second state. The number of the corresponding first overflowing holes 122 is ensured to be the same when the cover plate 220 moves back and forth, and the air suction of the fan blades 154 is not influenced by the movement of the cover plate 220.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. 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 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

1. A cooking appliance, comprising:

the cooking appliance comprises an appliance body, a cooking cavity, a first opening and a second opening, wherein the first opening and the second opening are communicated with the cooking cavity;

the cover plate is movably connected with the appliance body and can move relative to the appliance body to adjust the flow cross-sectional area of the first opening;

the flow guide device is arranged on one side of the appliance body and provided with an air channel, the first end of the air channel is connected with the first opening, and the second end of the air channel is connected with the second opening;

the fan blade is arranged at the first end of the flow guide device and is communicated with the air channel;

the heating piece is arranged at the first end of the flow guide device and is communicated with the air channel;

the power part is connected with the fan blades and the cover plate and is used for driving the cover plate and the fan blades to work;

the controller is electrically connected with the heating part and the power part and used for controlling the heating part and the power part to work according to the working mode of the cooking appliance.

2. The cooking appliance of claim 1,

the cover plate is switchable between a first state and a second state with respect to the appliance body;

the cooking appliance at least has a hot air mode and an air-frying mode, the hot air mode corresponds to the first state, and the air-frying mode corresponds to the second state;

wherein the flow cross-sectional area of the first opening in the first state is smaller than the flow cross-sectional area of the first opening in the second state.

3. The cooking appliance of claim 2,

the cover plate comprises a third opening and a shielding part;

in the first state, the third opening is arranged corresponding to the first part of the first opening, and the shielding part can shield the second part of the first opening;

in the second state, the third opening is arranged corresponding to the third part of the first opening, and the shielding part can avoid the first opening.

4. The cooking appliance of claim 3,

the first opening includes a plurality of first overflow apertures;

the cover plate further comprises a plurality of second overflowing holes, and the part of the cover plate between two adjacent second overflowing holes forms the shielding part;

in the first state, the shielding part is arranged corresponding to a part of the first overflowing holes in the plurality of first overflowing holes;

and in the second state, the first overflowing hole and the second overflowing hole are correspondingly arranged.

5. The cooking appliance of claim 3,

the cross section of the third opening is elliptical in shape.

6. The cooking appliance according to any one of claims 1 to 5,

one of the power part and the cover plate is provided with a rack, and the other is provided with a gear, and the rack is meshed with the gear.

7. The cooking appliance according to any one of claims 1 to 5,

one of the power part and the cover plate is provided with a worm wheel, and the other is provided with a worm, and the worm wheel is meshed with the worm.

8. The cooking appliance according to any one of claims 1 to 5,

the power part comprises a rotating shaft, the cover plate is provided with a shaft hole, and the rotating shaft is connected to the shaft hole in a penetrating mode.

9. The cooking appliance according to any one of claims 1 to 5,

the appliance body has a top wall and a side wall connected to one side of the top wall, one of the top wall and the side wall is provided with the first opening, and at least one of the top wall and the side wall is provided with the second opening.

10. The cooking appliance of claim 9,

the first opening is disposed in the top wall, and the second opening is disposed in the side wall.

11. The cooking appliance according to any one of claims 1 to 5, wherein the second opening is plural in number, and the air duct includes:

a first air duct section having a third end and a fourth end, the third end connected to the first opening;

the second air duct sections are provided with fifth ends and sixth ends, the fifth ends of the second air duct sections are connected with the fourth ends, and the sixth ends of the second air duct sections are connected with the second openings.

12. The cooking appliance according to any one of claims 1 to 5, wherein the deflector comprises:

the cover body is connected with the outer surface of the appliance body and covers the first opening, the cover body is provided with a fourth opening, and the cover plate is positioned between the cover body and the appliance body;

the draft tube is positioned on one side of the cover body and is connected between the fourth opening and the second opening;

the heating element is positioned between the cover body and the appliance body, and the heating element is positioned on the periphery of the fourth opening;

wherein, the flabellum is located the honeycomb duct.

13. The cooking appliance of claim 12, wherein the flow conduit comprises:

the first pipe wall is connected with the cover body, the part of the first pipe wall corresponding to the cover body is sunken to form a volute, and the fan blades are positioned at the volute;

the second pipe wall is connected to one side, facing the cover body, of the first pipe wall, and the second pipe wall is located on one side of the volute;

and a first part of the air duct is formed between the cover body and the volute, and a second part of the air duct is formed between the first pipe wall and the second pipe wall.

14. The cooking appliance of claim 12, further comprising:

a seal at a junction of the cover and the appliance body.

15. The cooking appliance of claim 12,

the heating element comprises a heating tube, the heating tube is annular, and the fourth opening is positioned in an area surrounded by the heating tube;

the cover body is provided with a connecting piece, and the connecting piece is used for fixing the heating tube.

16. The cooking appliance according to any one of claims 1 to 5, further comprising:

the shell is connected with the appliance body, an accommodating cavity is enclosed between the shell and the appliance body, the flow guide device is positioned in the accommodating cavity, and the controller is arranged in the accommodating cavity;

and the microwave generator is arranged in the accommodating cavity and communicated with the cooking cavity, and the microwave generator is electrically connected with the controller.

17. The cooking appliance according to any one of claims 1 to 5, further comprising:

the door body is connected with the appliance body and is used for opening or closing the cooking cavity;

the door body is provided with a heat insulation part and a control panel, and the control panel is electrically connected with the controller.