CN221153773U - Cooking device and integrated kitchen with same - Google Patents

Abstract

The utility model relates to a cooking device and an integrated kitchen with the cooking device, comprising an inner container with an exhaust port, wherein a wind guiding port is arranged on a first side wall of the inner container, a wind guiding fan blade for driving gas to enter the inner container from the wind guiding port is arranged in the inner container, the integrated kitchen with the cooking device further comprises a wind guiding assembly, the wind guiding assembly comprises a wind guiding pipe connected to the wind guiding port and a cooling piece for cooling the gas flowing through the wind guiding pipe, and the cooling piece can be opened and closed. The utility model can realize the forced air exhaust of the inner container, improve the dehumidification efficiency and the dehumidification effect, and realize the cooling of the inner container when the cooking is finished, thereby avoiding the direct injection of hot air in the inner container when the baking function is finished or the direct injection of steam in the inner container when the steaming function is finished.

Description

Cooking device and integrated kitchen with same

Technical Field

The utility model relates to the field of cooking devices, in particular to a cooking device and an integrated kitchen with the same.

Background

The integrated kitchen range is a household appliance integrating kitchen ranges with cooking devices and the like, for example, chinese patent application No. CN201910090190.3 (publication No. CN 111503670A) is an integrated kitchen range with a cooking device, chinese patent application No. ZL201921128866.5 (grant publication No. CN 211822616U) is a cooking device and the like.

Further, a cooking device for an integrated kitchen generally has a steaming function and a baking function at the same time, an air heater is arranged on the back side of an inner container of the cooking device, a hot air baffle is arranged on the back side of an inner cavity of the inner container, the hot air baffle and a backboard of the inner container enclose a hot air chamber, fan blades of the air heater are positioned in the hot air chamber, and heating pipes are arranged around the outer periphery of the fan blades. During the baking function, under the effect of the fan blades of the air heater, the air in the inner cavity of the inner container enters the hot air chamber through the air inlet on the hot air baffle, and after being heated in the hot air chamber, the air flows back into the inner cavity of the inner container under the effect of the centrifugal force of the fan blades, so that hot air circulation is formed in the inner cavity of the inner container, and the heating of food in the inner container is realized.

In addition, during the baking function, the humidity of the inner container can influence the baking effect, especially when the food with higher moisture content is baked. In the prior art, the liner is generally provided with only one exhaust port, and the exhaust of gas is realized by utilizing positive pressure at the exhaust port. Conversely, when the humidity in the inner container is high, the dehumidifying effect is poor, resulting in poor cooking effect. In addition, when the baking function is finished, the internal temperature of the inner container is higher, and at the moment, if the door is directly opened, the risk of scalding the user exists. Further, when the steaming function is finished, a large amount of steam remains in the liner, and when a user opens the door, the risk of directly spraying the steam to the user exists.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a cooking device with good dehumidifying effect in the baking function aiming at the prior art.

The second technical problem to be solved by the utility model is to provide a cooking device capable of avoiding scalding a user when a door is opened after cooking is finished.

A third technical problem to be solved by the present utility model is to provide an integrated cooking range with the cooking device according to the prior art.

The utility model solves at least one of the technical problems by adopting the following technical proposal: the cooking device comprises an inner container with an exhaust port, and is characterized in that a wind-guiding port is arranged on a first side wall of the inner container, a wind-guiding fan blade for driving gas to enter the inner container from the wind-guiding port is arranged in the inner container,

And the air guiding assembly comprises an air guiding pipe connected to the air guiding opening and a cooling piece for cooling air flowing through the air guiding pipe, and the cooling piece can be opened and closed.

Further, the induced air subassembly still includes the heating piece that is used for heating the gas that flows through the induced air pipe, and this heating piece can open and close. In the process of air induction and dehumidification, the heating piece is started to heat the air in the air induction pipe, and the air is preheated and then is introduced into the liner, so that the influence of direct cold air introduction on the temperature field inside the liner is avoided.

Further, the induced air subassembly still includes the pneumatic valve that is used for controlling induced air pipe break-make, and above-mentioned cooling piece is the semiconductor refrigeration piece, and the cold junction of this semiconductor refrigeration piece is pasted and is established on the surface of above-mentioned pneumatic valve. Therefore, the cooling piece is simple in structure and convenient to set, the cooling piece is used for cooling the gas passing through the gas valve in the open state of the gas valve, the gas flowing through the air guide pipe is cooled, and meanwhile the cooling piece is used for cooling and radiating the gas valve, so that the influence of high temperature around the liner on the performance of the gas valve is avoided.

Further, the heating element is a semiconductor refrigerating sheet, the air guiding pipe is made of heat conducting materials, and the hot end of the semiconductor refrigerating sheet is attached to the outer surface of the air guiding pipe. Therefore, the heating element has a simple structure, is convenient to set, and can effectively heat the gas flowing to the air guide pipe.

Further, the heating element is cylindrical and is circumferentially coated on the outer surface of the induced draft tube. Thereby enabling the heating element to more efficiently heat the gas flowing through the air guiding pipe.

Further, the cooling piece and the heating piece are arranged at intervals along the length direction of the air guiding pipe. Therefore, the cooling piece and the heating piece can be reasonably arranged on the air inducing pipe, and mutual interference between the cooling piece and the heating piece is avoided.

Further, the cooling piece and the heating piece are respectively arranged at two ends of the air guiding pipe, wherein the heating piece is adjacent to the air guiding opening. Therefore, the influence of heat generated by heating of the heating element on the air valve can be reduced, and the normal performance of the air valve can be guaranteed.

Further, the air guiding blade is arranged opposite to the first side wall, and the air outlet is also formed in the first side wall, wherein the air outlet is located outside the horizontal projection of the air guiding blade on the first side wall, and the air guiding opening is located in the horizontal projection. The air inlet is positioned in the negative pressure area of the air inlet fan blade, the air outlet is positioned outside the negative pressure area, external air can enter the inner container through the air inlet under the action of negative pressure, and meanwhile, positive pressure is formed at the air outlet relative to the external air, so that air in the inner container can smoothly pass through the air outlet and be discharged outside.

Further, the exhaust port and the induced air port are respectively located at two sides of a vertical central line of the horizontal projection of the induced air fan blade on the first side wall, and the exhaust port is located at the upper end of the first side wall. On one hand, the phenomenon of flow short circuit (namely, the introduced air is not fully mixed with the original gas in the inner cavity of the inner container and is directly discharged out of the inner container through the exhaust port) can be avoided, and the induced air and dehumidification effects of the inner container are ensured; on the other hand, the hot steam (namely, the wet air) has the characteristic of rising upwards, and the exhaust port is arranged at the upper end of the first side wall, so that the wet air in the liner can be better discharged.

Further, an air chamber is arranged on the side of the first side wall in the inner container, the air outlet, the air inlet and the air inducing fan blades are all arranged in the air chamber, and the air chamber is provided with a ventilation opening communicated with the inner cavity of the inner container. The air introduced from the air inlet firstly enters the air chamber, then enters the inner cavity of the inner container through the air vent under the drive of the centrifugal force of the air inlet fan blade and the guidance of the air chamber, and the interference of the air inlet air flow to the flow field in the inner cavity of the inner container is reduced.

Further, a circulating fan blade coaxially arranged with the air inducing fan blade is also arranged in the air chamber, and the air vent comprises a first air vent opposite to the circulating fan blade and second air vents which are arranged around the first air vent at intervals. Therefore, through the circulating fan blade, on one hand, hot air circulation can be formed in the inner cavity of the inner container, on the other hand, introduced air can be accelerated to enter the inner cavity of the inner container, and the air can be fully mixed with original gas in the inner cavity of the inner container, so that the dehumidifying effect is improved.

Further, the induced air fan blade and the circulating fan blade are integrated, the integrated part comprises a circular base plate, first blades are arranged on one side surface of the base plate at intervals along the circumferential direction to form the induced air fan blade, and second blades are arranged on the other side surface of the base plate at intervals along the circumferential direction to form the circulating fan blade. Therefore, the structure of the induced air fan blade and the circulating fan blade is simpler, and the driving and the control of the induced air fan blade and the circulating fan blade and the installation in the cooking device are conveniently and well realized.

The technical scheme adopted for further solving the third technical problem is as follows: an integrated cooking hob comprising a hob characterized in, that also a cooking device as described above, said hob being located above said cooking device.

Further, the kitchen range comprises a chassis with an upper opening and a panel covered on the opening of the chassis, the rear side of the panel is provided with an exhaust window, the exhaust port is in fluid communication with the exhaust window,

And the chassis is provided with a heat dissipation channel for dissipating heat of the electric element which can generate heat during working, a heat dissipation air outlet of the heat dissipation channel is communicated with the exhaust window, the heat dissipation channel is provided with a heat dissipation fan, an impeller of the heat dissipation fan comprises an upper fan blade and a lower fan blade, an air inlet of the heat dissipation fan comprises an upper air inlet corresponding to the upper fan blade and a lower air inlet corresponding to the lower fan blade, wherein the upper air inlet is communicated with the interior of the kitchen range,

The cooking device further comprises a door body which is used for covering the front opening of the inner container, a ventilation interlayer which extends up and down is arranged in the door body, a ventilation inlet at the lower end of the ventilation interlayer is communicated with the outside, and a ventilation outlet at the upper end of the ventilation interlayer is in fluid communication with the lower air inlet. The heat dissipation channel arranged in the kitchen range can simultaneously realize heat dissipation of electric elements in the kitchen range and the door body of the cooking device.

Further, an air guide channel extending forwards and backwards is arranged between the cooking device and the chassis of the kitchen range, an air guide opening in fluid communication with the lower air inlet is formed in the bottom wall of the chassis, the front port of the air guide channel is in fluid communication with the ventilation outlet of the ventilation interlayer, and the rear port of the air guide channel is in fluid communication with the air guide opening. Through setting up the wind-guiding passageway on the one hand can make the gaseous in the ventilation intermediate layer of the door body get into the radiator fan smoothly, on the other hand can realize the heat dissipation between cooking utensils and the culinary art device simultaneously, avoid the heat gathering between the two, lead to integrated kitchen inside high temperature.

Compared with the prior art, the utility model has the advantages that: install the induced air flabellum in the inner bag, induced air flabellum rotates and forms the negative pressure in induced air mouth department, and outside air gets into the inner bag under the effect of negative pressure in, extrudees the moisture in the inner bag, realizes the induced air forced discharge to the moisture in the inner bag, compares with prior art, can improve the dehumidification efficiency when roast function, promotes the dehumidification effect.

Further, the induced air subassembly includes induced air pipe and is used for cooling the gaseous cooling member of this induced air pipe of cooling flow through, and when the culinary art was finished, induced air flabellum continued work opens the cooling member simultaneously, and the air after the cooling like this is introduced in the inner bag, realizes the cooling to the inner bag, avoids the roast function to finish the steam in the inner bag directly spouts the user, perhaps evaporates the steam in the inner bag when the function is finished and spouts the user directly.

Drawings

FIG. 1 is a cross-sectional view of an integrated cooktop in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an integrated cooktop in another direction in an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial structure of an integrated kitchen range according to an embodiment of the present utility model;

fig. 4 is a schematic view showing a partial structure of a cooking apparatus according to an embodiment of the present utility model;

Fig. 5 is an enlarged view of a portion a in fig. 2.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

As shown in fig. 1 to 5, an integrated cooking range includes a cooking device 2 and a range 1 disposed above the cooking device 2. The kitchen range 1 includes a chassis 11 with an upper opening and a panel 12 covering the opening of the chassis 11, an exhaust window 121 is provided on the rear side of the panel 12, and the exhaust port 201 is in fluid communication with the exhaust window 121.

Further, the chassis 11 is provided with a heat radiation passage 81 for radiating heat from an electric component (for example, a power panel, a display panel, etc.) which generates heat during operation, and a heat radiation outlet of the heat radiation passage 81 communicates with the exhaust window 121. And the heat dissipation channel 81 is provided with a heat dissipation fan 82, the impeller of the heat dissipation fan 82 comprises an upper fan blade 821 and a lower fan blade 822, and the air inlet of the heat dissipation fan 82 comprises an upper air inlet 823 corresponding to the upper fan blade 821 and a lower air inlet 824 corresponding to the lower fan blade 822, wherein the upper air inlet 823 is communicated with the inside of the kitchen range 1. The cooking apparatus 2 further includes a door body 21 for covering the front opening of the inner container 20, wherein a ventilation interlayer 210 extending up and down is provided in the door body 21, a ventilation inlet 2101 at a lower end of the ventilation interlayer 210 is in fluid communication with the outside, and a ventilation outlet 2102 at an upper end is in fluid communication with the lower air inlet 824. This allows to simultaneously achieve the heat dissipation of the electric elements in the hob 1 and of the door 21 of the cooking device 2, by means of the heat dissipation channels 81 provided in the hob 1.

Preferably, an air guide channel 9 extending back and forth is provided between the cooking device 2 and the bottom plate 11 of the cooking appliance 1, and an air guide opening 111 in fluid communication with the lower air inlet 824 is provided on the bottom wall of the bottom plate 11, and a front port of the air guide channel 9 is in fluid communication with the air outlet 2102 of the ventilation interlayer 210, and a rear port of the air guide channel is in fluid communication with the air guide opening 111. By arranging the air guide channel 9, on one hand, the air in the ventilation interlayer 210 of the door body 21 can smoothly enter the heat dissipation fan 82, and on the other hand, heat dissipation between the kitchen range 1 and the cooking device 2 can be simultaneously realized, so that heat is prevented from being accumulated between the kitchen range 1 and the cooking device, and the internal temperature of the integrated kitchen range is too high.

Further, the cooking device 2 includes a liner 20 having an air outlet 201, an air inlet 202 is provided on a first side wall of the liner 20, and an air guiding blade 31 for driving air from the air inlet 202 into the liner 20 is provided in the liner 20. And, it also includes the induced air assembly, this induced air assembly includes the induced air pipe 4 connected to above-mentioned induced air port 202 and cooling piece 5 used for cooling the gas flowing through this induced air pipe 4, this cooling piece 5 can be opened and closed. Install induced air flabellum 31 in the inner bag 20, induced air flabellum 31 rotates and forms the negative pressure in induced air mouth 202 department, and the outside air gets into in the inner bag 20 under the effect of negative pressure, extrudees the moisture in the inner bag 20, realizes the induced air forced discharge to the moisture in the inner bag 20, compares with prior art, can improve the dehumidification efficiency when roast function, promotes the dehumidification effect.

Further, the induced draft assembly comprises an induced draft tube 4 and a cooling member 5 for cooling the gas flowing through the induced draft tube 4. When the cooking is finished, the induced fan blade 31 continues to work, and meanwhile, the cooling piece 5 is started, so that cooled air is introduced into the inner container 20, cooling of the inner container 20 is realized, and a direct hot air injection user in the inner container 20 when the baking function is finished or a direct steam injection user in the inner container 20 when the steaming function is finished is avoided. In this embodiment, specifically, the air induction assembly further includes an air valve 41 for controlling on/off of the air induction pipe 4, the cooling member 5 is a semiconductor cooling plate, and a cold end of the semiconductor cooling plate is attached to an outer surface of the air valve 41. So that the cooling element 5 of the utility model has a simple structure and is convenient to arrange. In addition, when the air valve 41 is opened, the cooling member 5 is used to cool the air passing through the air valve 41, and further to cool the air flowing through the air intake pipe 4, and at the same time, the cooling member 5 is used to cool and dissipate heat of the air valve 41, so that the performance of the air valve 41 is prevented from being affected by the high temperature around the liner 20.

Further, the air guiding assembly further comprises a heating element 6 for heating the air flowing through the air guiding pipe 4, and the heating element 6 can be opened and closed. In the process of air induction and dehumidification, the heating piece 6 is started to heat the air in the air induction pipe 4, and the air is preheated and then is introduced into the liner 20, so that the influence of direct cold air introduction on the temperature field inside the liner 20 is avoided. Specifically, in this embodiment, the heating element 6 is a semiconductor cooling plate, the air guiding tube 4 is made of a heat conducting material, and the hot end of the semiconductor cooling plate is attached to the outer surface of the air guiding tube 4, so that the heating element 6 has a simple structure and is convenient to set, and heating of the gas flowing through the air guiding tube 4 can be effectively realized. Preferably, the heating element 6 is cylindrical and circumferentially coated on the outer surface of the air guiding pipe 4, so that the heating element 6 can more efficiently heat the air flowing through the air guiding pipe 4.

In this embodiment, the cooling element 5 and the heating element 6 are disposed at intervals along the length direction of the air induction pipe 4, so that the cooling element 5 and the heating element 6 can be reasonably disposed on the air induction pipe 4, and mutual interference between the cooling element and the heating element is avoided. Preferably, the cooling element 5 and the heating element 6 are respectively disposed at two ends of the air intake pipe 4, wherein the heating element 6 is adjacent to the air intake 202, i.e. the heating element 6 is mounted at the air outlet end of the air intake pipe 4, and the cooling element 5 is mounted at the air inlet end of the air intake pipe 4, specifically, the air valve 41 is mounted at the air inlet end of the air intake pipe 4, and the cooling element 5 is mounted on the air valve 41. This reduces the influence of the heat generated by the heating of the heating member 6 on the air valve 41, and is beneficial to ensuring the normal performance of the air valve 41.

Further, the air guiding blade 31 is disposed opposite to the first side wall, and the air outlet 201 is also disposed on the first side wall, wherein the air outlet 201 is located outside the horizontal projection of the air guiding blade 31 on the first side wall, and the air guiding opening 202 is located in the horizontal projection. In this way, the air intake 202 is located in the negative pressure area of the air intake fan 31, and the air exhaust 201 is located outside the negative pressure area, so that the external air can enter the inner container 20 through the air intake 202 under the action of the negative pressure, and meanwhile, the air exhaust 201 forms positive pressure relative to the external air, so that the air in the inner container 20 can be smoothly exhausted through the air exhaust 201. Still further, the exhaust port 201 and the air intake 202 are respectively located at two sides of a vertical center line of a horizontal projection of the air intake fan blade 31 on the first side wall, and the exhaust port 201 is located at an upper end of the first side wall. On one hand, the phenomenon of flow short circuit (namely, the introduced air is not fully mixed with the original gas in the inner cavity of the inner container 20 and is directly discharged out of the inner container 20 through the exhaust port 201) can be avoided, and the induced air and dehumidification effects of the inner container 20 are ensured; on the other hand, the hot steam (i.e., the moisture) has a rising characteristic, and the vent 201 is formed at the upper end of the first sidewall to enable the moisture in the inner container 20 to be better discharged.

In this embodiment, the air chamber 70 is disposed on the side of the first sidewall of the liner 20, the air outlet 201, the air inlet 202 and the air inlet fan 31 are all disposed in the air chamber 70, and the air chamber 70 has a vent communicating with the inner cavity of the liner 20. The air introduced from the air inlet 202 firstly enters the air chamber 70, and then enters the inner cavity of the inner container 20 through the air vent under the drive of the centrifugal force of the air inlet fan blades 31 and the guidance of the air chamber 70, so that the interference of the air inlet air flow to the flow field in the inner cavity of the inner container 20 is reduced.

Further, a circulation fan blade 32 coaxially disposed with the air introduction fan blade 31 is further installed in the air chamber 70, and the air vent includes a first air vent 71 facing the circulation fan blade 32 and a second air vent 72 surrounding the first air vent 71 at intervals. Thus, through the circulating fan blades 32, on one hand, hot air circulation can be formed in the inner cavity of the inner container 20, and on the other hand, introduced air can be accelerated to enter the inner cavity of the inner container 20 and can be fully mixed with original gas in the inner cavity of the inner container 20, so that the dehumidifying effect is improved. Specifically, in this embodiment, the first side wall is a rear side wall of the inner container, the rear side wall is covered with the hot air baffle 7 to form the air chamber 70, the first ventilation opening 71 is formed at a center of the hot air baffle 7, and the second ventilation openings 72 are formed around the first ventilation opening 71 at intervals along a circumferential direction.

Preferably, in the present embodiment, the air guiding blade 31 and the circulating blade 32 are integrated into a single piece 3, the single piece 3 includes a circular base plate 30, wherein first blades 311 are disposed on one surface of the base plate 30 at intervals along the circumferential direction to form the air guiding blade 31, and second blades 321 are disposed on the other surface of the base plate 30 at intervals along the circumferential direction to form the circulating blade 32. Therefore, the structure of the induced air fan blade 31 and the circulating fan blade 32 is simpler, and the driving and the control of the induced air fan blade 31 and the circulating fan blade 32 and the installation in the cooking device 2 are conveniently and well realized. In this embodiment, the heating pipe 10 is provided on the outer periphery of the integral unit 3.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, and may be directly communicated between the first part and the second part, or may be indirectly communicated between the first part and the second part through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guide, a hole, a groove, or the like, or may be a chamber allowing a fluid to flow through, or a combination of the above.

Claims (14)

1. The cooking device comprises an inner container (20) with an exhaust port (201), and is characterized in that an air guiding port (202) is arranged on a first side wall of the inner container (20), an air guiding fan blade (31) for driving air to enter the inner container (20) from the air guiding port (202) is arranged in the inner container (20),

The air guiding assembly comprises an air guiding pipe (4) connected to the air guiding opening (202) and a cooling piece (5) for cooling air flowing through the air guiding pipe (4), and the cooling piece (5) can be opened and closed;

The air inducing assembly further comprises an air valve (41) for controlling the on-off of the air inducing pipe (4), the cooling piece (5) is a semiconductor refrigerating piece, and the cold end of the semiconductor refrigerating piece is attached to the outer surface of the air valve (41).

2. Cooking device according to claim 1, wherein the air induction assembly further comprises a heating element (6) for heating the air flowing through the air induction pipe (4), the heating element (6) being openable and closable.

3. Cooking device according to claim 2, wherein the heating element (6) is a semiconductor cooling plate and the air guiding tube (4) is made of a heat conducting material, and the hot end of the semiconductor cooling plate is attached to the outer surface of the air guiding tube (4).

4. A cooking device according to claim 3, wherein the heating element (6) is cylindrical and circumferentially surrounds the outer surface of the air duct (4).

5. Cooking device according to claim 2, wherein the cooling element (5) and the heating element (6) are arranged at intervals along the length of the air guiding tube (4).

6. Cooking device according to claim 5, wherein the cooling element (5) and the heating element (6) are arranged at both ends of the air guiding tube (4), respectively, wherein the heating element (6) is adjacent to the air guiding opening (202).

7. Cooking device according to claim 1 or 2, wherein the air guiding blade (31) is arranged opposite the first side wall, and the air outlet (201) is also arranged on the first side wall, wherein the air outlet (201) is located outside the horizontal projection of the air guiding blade (31) on the first side wall, and the air guiding opening (202) is located in the horizontal projection.

8. The cooking device according to claim 7, wherein the air outlet (201) and the air intake (202) are located at both sides of a vertical center line of a horizontal projection of the air intake fan blade (31) on the first side wall, respectively, and the air outlet (201) is located at an upper end of the first side wall.

9. The cooking device according to claim 7, wherein the inner container (20) is provided with an air chamber (70) at the side of the first sidewall, the air outlet (201), the air inlet (202) and the air guiding blades (31) are all located in the air chamber (70), and the air chamber (70) is provided with a ventilation opening communicated with the inner cavity of the inner container (20).

10. The cooking device according to claim 9, wherein the air chamber (70) is further provided therein with a circulation fan blade (32) coaxially arranged with the air introduction fan blade (31), and the air opening comprises a first air opening (71) facing the circulation fan blade (32) and a second air opening (72) surrounding the first air opening (71) at intervals.

11. Cooking device according to claim 10, wherein said fan blade (31) and said circulation blade (32) are integrated, said integrated comprising a circular base plate (30), said base plate (30) being provided with first blades (311) on one side surface thereof at circumferential intervals to form said fan blade (31) and with second blades (321) on the other side surface thereof at circumferential intervals to form said circulation blade (32).

12. An integrated hob comprising a hob (1), characterized in, that it further comprises a cooking device according to any one of the claims 1 to 11, said hob (1) being located above the cooking device (2).

13. The integrated cooker as claimed in claim 12, wherein the cooker (1) comprises a chassis (11) with an upper opening and a panel (12) covering the opening of the chassis (11), an exhaust window (121) is arranged on the rear side of the panel (12), the exhaust port (201) is in fluid communication with the exhaust window (121),

And a heat dissipation channel (81) for dissipating heat of an electric element which generates heat when working is arranged in the chassis (11), a heat dissipation air outlet of the heat dissipation channel (81) is communicated with the exhaust window (121), the heat dissipation channel (81) is provided with a heat dissipation fan (82), an impeller of the heat dissipation fan (82) comprises an upper fan blade (821) and a lower fan blade (822), an air inlet of the heat dissipation fan (82) comprises an upper air inlet (823) corresponding to the upper fan blade (821) and a lower air inlet (824) corresponding to the lower fan blade (822), wherein the upper air inlet (823) is communicated with the inside of the kitchen range (1),

The cooking device (2) further comprises a door body (21) for covering the front opening of the inner container (20), a ventilation interlayer (210) extending up and down is arranged in the door body (21), a ventilation inlet (2101) at the lower end of the ventilation interlayer (210) is communicated with the outside, and a ventilation outlet (2102) at the upper end is communicated with the lower air inlet (824) in a fluid manner.

14. The integrated kitchen range according to claim 13, characterized in that an air guiding channel (9) extending back and forth is arranged between the cooking device (2) and the chassis (11) of the kitchen range (1), an air guiding opening (111) in fluid communication with the lower air inlet (824) is arranged on the bottom wall of the chassis (11), a front port of the air guiding channel (9) is in fluid communication with a ventilation outlet (2102) of the ventilation interlayer (210), and a rear port of the air guiding channel is in fluid communication with the air guiding opening (111).