Cooking system with steaming function

Abstract

The utility model relates to a cooking system with a steaming function, which comprises a cooking device, the cooking device comprises a cooking inner container with an opening in the front side and a door body covering the opening of the cooking inner container, the cooking system further comprises a heat preservation device with a shell, the shell is provided with an air inlet and an air outlet respectively, and the air inlet and the air outlet are communicated with each other in the door opening state. A door opening gap is formed between the door body and the opening edge of the opening of the cooking inner container, the air inlet is in fluid communication with the door opening gap, and the air outlet is in fluid communication with the public flue. Compared with the prior art, on one hand, steam can be prevented from being directly sprayed to a user or diffusing in the environment, on the other hand, the steam entering the heat preservation device can be used for heat preservation of food, tableware and other objects, and secondary utilization of the steam is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of household appliances especially relates to a cooking system with steaming function. BACKGROUND

[0002] When the cooking device with steaming function such as steaming oven is opened, the high-temperature steam in the cooking liner will escape outward, which may directly spray the user and scald the user, or diffuse in the kitchen and affect the user's experience, especially in high-temperature weather. Therefore, the Chinese invention patent with the application number CN202310760523.5 (publication number CN116671774A) discloses a cooking equipment with steaming function, which comprises a cooking liner with a front opening, and further comprises: a condensing chamber with an air inlet; a flow guide member arranged in the condensing chamber and used to drive the steam in the inner cavity of the cooking liner to enter the condensing chamber; a cooling member used to cool the steam entering the condensing chamber; a water collecting container arranged outside the cooking liner and used to collect condensed water, and having a condensed water inlet; and a control structure used to control the initial state of the on-off of the condensed water outlet and the condensed water inlet, so that the condensed water outlet is sealed and disconnected with the condensed water inlet, and in the cooking end state, the condensed water outlet is connected with the condensed water inlet. Although this patent solves the problem of residual steam in the cooking liner after cooking, and avoids the problems of steam directly spraying the user when opening the door and steam diffusing in the kitchen environment, it does not utilize the steam twice, resulting in energy waste. SUMMARY

[0003] The first technical problem to be solved by the utility model is to provide a cooking system with steaming function, which can avoid steam directly spraying the user when opening the door or diffusing in the environment, and realize the secondary utilization of steam.

[0004] The second technical problem to be solved by the utility model is to provide a cooking system with steaming function, which can realize the secondary utilization of steam, and has high utilization rate.

[0005] The technical solution adopted by the utility model to solve at least one of the above technical problems is: a cooking system with steaming function, comprising a cooking device, the cooking device comprising a cooking liner with a front opening and a door body covering the opening of the cooking liner, characterized in that it further comprises a heat preservation device with a shell, an air inlet and an air outlet are respectively formed on the shell, wherein in the opened state, a door opening gap is formed between the door body and the rim of the opening of the cooking liner, the air inlet is in fluid communication with the door opening gap, and the air outlet is in fluid communication with the public flue.

[0006] Further, the range hood further comprises an air outlet duct, an air inlet of the air outlet duct being in fluid communication with the air outlet, and an air outlet of the air outlet duct being in fluid communication with the common flue. In this way, the air outlet duct of the range hood can be used as a power source to drive the steam to enter the heat preservation device through the door gap, and then to flow to the common flue without the need for an additional power source.

[0007] Further, the heat preservation device is arranged above the cooking liner, and a shell of the heat preservation device comprises an outer shell and an inner shell. The outer shell has a square shape, is hollow inside, and is open at the front side. The inner shell has a square shape and is hollow inside, and is slidably arranged in the outer shell and can protrude forward from the opening of the outer shell.

[0008] The air inlet is arranged on the bottom wall of the inner shell, and in the open door state, the inner shell protrudes forward relative to the outer shell so that the air inlet is in fluid communication with the door gap. The air outlet is arranged on the rear side wall of the inner shell, and the air outlet is in communication with the air inlet of the air outlet duct through an air outlet pipe arranged on the rear side wall of the outer shell. At least part of the air outlet pipe along its length direction is a telescopic structure that can stretch and retract along its length direction. In this way, in the initial state, the inner shell is accommodated in the outer shell, and when the door is opened, the inner shell moves forward relative to the outer shell, so that the steam in the cooking liner can enter the inner shell through the door gap and the air inlet in sequence, and then flow to the common flue through the air outlet pipe.

[0009] Further, the bottom wall of the inner shell is hollow and forms the air inlet. In this way, the efficiency of the steam entering the inner shell through the air inlet can be improved.

[0010] Further, the hollow holes on the bottom wall of the inner shell are long holes extending in the left-right direction of the bottom wall and are uniformly distributed in the front-rear direction of the bottom wall. In this way, the efficiency of the steam entering the inner shell through the air inlet can be improved, and the escape of the steam can be avoided.

[0011] Further, the heat preservation device further comprises a heater for heating the shell. In this way, the heating effect of the heat preservation device can be improved by heating the shell in the heating cavity.

[0012] Further, the heat preservation device further comprises a power supply assembly for supplying power to the heater, the power supply assembly comprising a thermoelectric generator and a battery. The battery is used to store the electric quantity generated by the thermoelectric generator and is electrically connected to the heater. In this way, the thermoelectric generator generates electricity by using the temperature difference caused by the steam entering the heat preservation device. The generated electricity is stored in the battery. When there is a need for heat preservation, the battery outputs the electricity required for heating the heater. The heat preservation of the object is realized by the combined action of the heat exchange of the steam and the heating of the heater, and the utilization rate of the secondary utilization of the steam is improved.

[0013] Further, the thermoelectric generator is embedded in the pipe wall of the air outlet pipe, and the cold end of the thermoelectric generator is located in the outer shell and the hot end is located in the air outlet pipe. The temperature difference between the cold end and the hot end of the thermoelectric generator can be effectively increased, thereby improving the power generation efficiency of the thermoelectric generator.

[0014] Further, the heater is a heating film arranged on the top wall of the outer shell, and the outer top surface of the outer shell constitutes a placing plane. In this way, the article to be kept warm (such as cooked food, utensils to be used, etc.) is placed on the placing plane, and the heat generated by the operation of the heating film can realize the heating of the article.

[0015] Further, the thermoelectric generator and the battery are both fixed on the inner top surface of the outer shell. On the one hand, the stable installation of the thermoelectric generator and the battery can be realized, and on the other hand, the wiring operation of the thermoelectric generator, the battery and the heater can be realized.

[0016] Compared with the prior art, the utility model has the advantages that the heat preservation device is arranged, the door gap is formed between the door body and the opening edge of the cooking liner opening in the open door state, the air inlet of the heat preservation device is in fluid communication with the door gap, and the air outlet of the heat preservation device is in fluid communication with the public flue. In this way, in the open door state, the steam in the cooking liner enters the heat preservation device, which can avoid the steam directly spraying the user or diffusing in the environment, and the steam entering the heat preservation device can be used for heat preservation of food, utensils and other articles, realizing secondary utilization of the steam. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of a cooking system in the embodiment of the utility model;

[0018] Figure 2 is Figure 1 is a structural schematic view in another direction;

[0019] Figure 3 is a sectional view of a cooking system in the embodiment of the utility model;

[0020] Figure 4 is a partial structural exploded view of a cooking system in the embodiment of the utility model. DETAILED DESCRIPTION

[0021] The utility model will be further described in detail below in combination with the embodiment of the drawings.

[0022] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, structure and operation, since the disclosed embodiments of the utility model can be arranged in different directions, so these orientation terms are only as illustrations and should not be regarded as limitations, for example, "upper" and "lower" are not necessarily limited to the direction opposite or consistent with the direction of gravity. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features.

[0023] As shown in Figures 1 to 4 A cooking system with steaming function, comprising a cooking device 1 (such as a steaming oven, etc.), the cooking device 1 comprising a cooking inner container 11 with a front opening and a door body 12 covering the opening of the cooking inner container 11. Further, it also comprises a heat preservation device 2 with a shell 20, and an air inlet 21 and an air outlet 22 are respectively arranged on the shell 20. Wherein, in the open door state, a door opening gap 13 is formed between the door body 12 and the opening edge of the cooking inner container 11, the air inlet 21 is in fluid communication with the door opening gap 13, and the air outlet 22 is in fluid communication with the public flue.

[0024] The cooking system of the utility model is provided with a heat preservation device 2, and in the open door state, a door opening gap 13 is formed between the door body 12 and the opening edge of the cooking inner container 11. The air inlet 21 of the heat preservation device 2 is in fluid communication with the door opening gap 13, and the air outlet 22 of the heat preservation device 2 is in fluid communication with the public flue. In this way, in the open door state, the steam in the cooking inner container 11 enters the heat preservation device 2, which can avoid direct spraying of steam to the user or diffusion in the environment, and on the other hand, the steam entering the heat preservation device 2 can be used for heat preservation of food, tableware and other articles, realizing the secondary utilization of steam.

[0025] Further, preferably, it also comprises an air outlet duct 31 of the range hood 3, the air inlet 311 of the air outlet duct 31 is in fluid communication with the air outlet 22, and the air outlet 312 of the air outlet duct 31 is in fluid communication with the public flue. In this way, the utility model does not need to additionally set a power source, and can use the air duct system of the range hood 3 as a power source to drive the steam to enter the heat preservation device 2 from the door opening gap 13, and then flow from the heat preservation device 2 to the public flue.

[0026] Specifically, the heat preservation device 2 is arranged above the cooking liner 11, and the shell 20 of the heat preservation device 2 includes an outer shell 201 and an inner shell 202. The outer shell 201 is square in shape, hollow inside and open at the front side, and the inner shell 202 is square in shape and hollow inside, and is slidably arranged in the outer shell 201 and can be extended forward from the opening of the outer shell 201. The air inlet 21 is arranged on the bottom wall of the inner shell 202, and in the open door state, the inner shell 202 is extended forward relative to the outer shell 201 so that the air inlet 21 is in fluid communication with the door gap 13; the air outlet 22 is arranged on the rear side wall of the inner shell 202, and the air outlet 22 is connected to the air inlet 311 of the air outlet duct 31 through the air outlet pipe 4 arranged on the rear side wall of the outer shell 201, and at least part of the air outlet pipe 4 along the length direction is a telescopic structure that can be extended along the length direction. In this way, in the initial state, the inner shell 202 is accommodated in the outer shell 201, and when the door is opened, the inner shell 202 is moved forward relative to the outer shell 201, so that the steam in the cooking liner 11 can enter the inner shell 202 through the door gap 13 and the air inlet 21 in turn, and flow to the public flue through the air outlet 22 along the air outlet pipe 4. In this embodiment, specifically, the air outlet pipe 4 is a flue pipe.

[0027] Preferably, the bottom wall of the inner shell 202 is hollowed out to form the air inlet 21, so as to improve the efficiency of the steam entering the inner shell 202 through the air inlet 21. Further preferably, the hollow holes 211 on the bottom wall of the inner shell 202 are long holes extending along the left-right direction of the bottom wall and are uniformly distributed along the front-rear direction of the bottom wall, so as to improve the effect of the steam entering the inner shell 202 through the air inlet 21, and to avoid steam escaping.

[0028] Further, the heat preservation device 2 further includes a heater 23 for heating the shell 20. In this way, heating the shell 20 by the heating cavity can improve the heat preservation effect of the heat preservation device 2. Further, the heat preservation device 2 further includes a power supply assembly 24 for supplying power to the heater 23, and the power supply assembly 24 includes a thermoelectric generator 241 and a battery 242, and the battery 242 is used to store the electric quantity generated by the thermoelectric generator 241 and is electrically connected to the heater 23. In this way, the thermoelectric generator is used to generate electric quantity by the temperature difference caused by the steam entering the heat preservation device 2, and the generated electric quantity is stored in the battery 242. When there is a heat preservation demand, the battery 242 outputs the electric energy required by the heater 23 to heat, and the heat preservation of the object is realized by the combined action of the heat exchange of the steam and the heating of the heater 23, thereby improving the utilization rate of the secondary utilization of the steam.

[0029] Preferably, the above-mentioned thermoelectric generator 241 is embedded in the pipe wall of the air outlet pipe 4, and the cold end of the thermoelectric generator 241 is located in the above-mentioned outer shell 201 and the hot end is located in the above-mentioned air outlet pipe 4. Thus, the temperature difference between the cold end and the hot end of the thermoelectric generator 241 can be effectively increased, thereby improving the power generation efficiency of the thermoelectric generator 241. Specifically, in the present embodiment, the above-mentioned heater 23 is a heating film arranged on the top wall of the above-mentioned outer shell 201, and the outer top surface of the outer shell 201 constitutes a placement plane 2010. In this way, the objects to be kept warm (such as cooked food, utensils to be used, etc.) are placed on the placement plane 2010, and the heat generated by the operation of the heating film can achieve heating of the objects. In the present embodiment, specifically, a window 2011 is formed in the top wall of the above-mentioned outer shell 201, and a high-temperature-resistant glass 5 is embedded in the window 2011, and the lower surface of the glass 5 is provided with the above-mentioned heating film.

[0030] Preferably, the above-mentioned thermoelectric generator 241 and the battery 242 are both fixed on the inner top surface of the above-mentioned outer shell 201. On the one hand, it can achieve stable installation of the thermoelectric generator 241 and the battery 242, and on the other hand, it is convenient to realize the wiring operation of the thermoelectric generator 241, the battery 242 and the heater 23.

[0031] The working process of the cooking system in the present embodiment is as follows:

[0032] (1) Before the door is opened at the end of the steaming function, the corresponding steam sensor detects the steam quantity Q in the steaming box,

[0033] (2) When the door is opened, the control module controls:

[0034] The door body 12 is opened at a small angle θ, that is, the opening of the door gap 13 is small, so as to ensure that the steam does not escape; at the same time, the inner shell 202 of the heat preservation device 2 is extended by a length L2,

[0035] tanθ=L2 / L1, that is, θ=arctan L2 / L1, and L2=300mm is set, then θ=arctan 300 / L1,

[0036] At the same time, the fan of the range hood 3 is turned on, so that the air speed of the air inlet 21 of the inner shell 202 of the heat preservation device 2 is V1,

[0037] The above-mentioned state maintains for a time t1 (t1≤7s), and the steam quantity discharged in this state is Q1 (Q1=90%Q), and the air speed of the air inlet 21 of the inner shell 202 is V1, t1 and Q1 satisfy the relationship: V1=Φ(t1, Q1).

[0038] (3) After t1 time of step (2), the door body 12 is opened to 180°, and the remaining small amount of steam is adsorbed in the heat preservation device 2 and diffused in the air, so that the steam is quickly eliminated (after step (2), the amount of remaining steam is small, and the phenomenon of being patted on the face and body does not occur).

[0039] The state holding time is t2 (t2≤3s), and the amount of purified steam in this state is Q2 (Q2=10%Q).

[0040] (4) After the end, the corresponding components return to the initial state.

[0041] The "fluid communication" of the utility model refers to the spatial position relationship between two components or parts, namely the first part and the second part, that is, the fluid gas, liquid or mixture of the two can flow or / and be transported from the first part to the second part along the flow path, which can be directly connected between the first part and the second part, or indirectly connected between the first part and the second part through at least one third party, which can be a fluid passage such as a pipeline, a channel, a conduit, a flow guide, a hole, a groove, etc., or a chamber allowing fluid to flow or a combination thereof.

Claims

1. A cooking system with steaming function, comprising a cooking device (1), the cooking device (1) comprising a cooking liner (11) with an open front side and a door body (12) covering the opening of the cooking liner (11), characterized in that, The heat preservation device (2) further comprises a casing (20) having an air inlet (21) and an air outlet (22) respectively formed thereon, wherein a door gap (13) is formed between the door body (12) and the opening edge of the cooking liner (11) in the open door state, the air inlet (21) is in fluid communication with the door gap (13), and the air outlet (22) is in fluid communication with the common flue.

2. The cooking system with steaming function according to claim 1, characterized in that, The heat preservation device (2) further comprises an air outlet duct (31) of the range hood (3), the air inlet (311) of the air outlet duct (31) is in fluid communication with the air outlet (22), and the air outlet (312) of the air outlet duct (31) is in fluid communication with the common flue.

3. The cooking system with steaming function according to claim 2, wherein, The heat preservation device (2) is arranged above the cooking liner (11), the casing (20) of the heat preservation device (2) comprises an outer casing (201) and an inner casing (202), wherein the outer casing (201) is square in shape, hollow inside and open at the front side, the inner casing (202) is square in shape and hollow inside, and the inner casing (202) is slidingly fitted in the outer casing (201) and can be extended forward from the opening of the outer casing (201), The air inlet (21) is formed on the bottom wall of the inner casing (202), and in the open door state, the inner casing (202) is extended forward relative to the outer casing (201) so that the air inlet (21) is in fluid communication with the door gap (13); the air outlet (22) is formed on the rear side wall of the inner casing (202), and the air outlet (22) is connected to the air inlet (311) of the air outlet duct (31) through the air outlet pipe (4) arranged on the rear side wall of the outer casing (201), and at least part of the air outlet pipe (4) along its length direction is a telescopic structure that can be extended and retracted along its length direction.

4. The cooking system with steaming function according to claim 3, wherein, The bottom wall of the inner casing (202) is hollowed out to form the air inlet (21).

5. The cooking system with steaming function according to claim 4, wherein, The hollow holes (211) on the bottom wall of the inner casing (202) are long holes extending in the left-right direction of the bottom wall and are uniformly distributed in the front-rear direction of the bottom wall.

6. Cooking system with steaming function according to any one of the claims 3 to 5, characterized in that, The heat preservation device (2) further comprises a heater (23) for heating the casing (20).

7. The cooking system with steaming function according to claim 6, wherein, The heat preservation device (2) further comprises a power supply assembly (24) for supplying power to the heater (23), the power supply assembly (24) comprises a thermoelectric generator (241) and a battery (242), the battery (242) is used to store the electric quantity generated by the thermoelectric generator (241) and is electrically connected to the heater (23).

8. The cooking system with steaming function according to claim 7, wherein, The thermoelectric generator (241) is embedded on the wall of the air outlet pipe (4), and the cold end of the thermoelectric generator (241) is located in the outer casing (201) and the hot end is located in the air outlet pipe (4).

9. The cooking system with steaming function according to claim 7, wherein, The heater (23) is a heating film arranged on the top wall of the outer casing (201), and the outer top surface of the outer casing (201) constitutes a placement plane (2010).

10. The cooking system with steaming function according to claim 9, wherein, The thermoelectric generator (241) and the battery (242) are both fixed on the inner top surface of the outer casing (201).

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