CN213984114U - Refrigeration fresh-keeping cooking box and integrated kitchen - Google Patents

Abstract

The utility model relates to a fresh-keeping culinary art case of refrigeration and integrated kitchen, wherein, a fresh-keeping culinary art case of refrigeration, including box and refrigerating system, the box includes inner bag and chamber door. The refrigerating system comprises a circulating air duct, a circulating fan and a refrigerating device. The circulating air duct is provided with an air return inlet and an air supply outlet which are arranged at the two ends of the circulating air duct and are communicated with the inner container. And an air inlet and an air outlet of the circulating fan are communicated with the circulating air duct, cold air is obtained after the cold air is refrigerated by the refrigerating device, and the cold air is discharged to the inner container through the air supply outlet. Because adopt circulating fan to get into the air in the inner bag to the circulating air duct from the return air inlet in, then conduct the air to refrigerating plant through circulating fan's air outlet and refrigerate and become low temperature air, release the low temperature air after will refrigerating to the inner bag by the supply-air outlet again, keep the edible material of waiting to cook in low temperature environment, prevent that the edible material is rotten during the reservation.

Description

Refrigeration fresh-keeping cooking box and integrated kitchen

Technical Field

The utility model relates to a kitchen appliance technical field especially relates to a fresh-keeping culinary art case of refrigeration and integrated kitchen.

Background

With the continuous improvement of people's demand for cooking food, be provided with steam ager, oven or evaporate roast all-in-one on integrated kitchen usually, the three is collectively called cooking box.

At present, for office groups, when a steam box, an oven or a steaming and baking all-in-one machine is used for cooking, food materials can be prepared in advance in order to save cooking time, and the food materials are placed into the steam box, the oven or the steaming and baking all-in-one machine for reservation. However, in the prior art, when a user needs to make an appointment for cooking dishes, the food materials are at the ambient temperature for a long time, especially at a high temperature in summer, and are easy to rot and deteriorate, so that the use experience of the user is seriously affected.

Therefore, a refrigerating and fresh-keeping cooking box and an integrated stove are needed urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a fresh-keeping cooking box of refrigeration and integrated kitchen, it has solved and has eaten the material and take place rotten technical problem during the reservation.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

in a first aspect, an embodiment of the present invention provides a refrigerating and fresh-keeping cooking box, which includes a box body and a refrigerating system, wherein the box body includes an inner container with an opening at one end and a box door for sealing the inner container;

the refrigerating system comprises a circulating air duct, a circulating fan and a refrigerating device arranged in the circulating air duct;

the circulating air duct is provided with an air return inlet and an air supply outlet which are arranged at the two ends of the circulating air duct and are communicated with the inner container;

and an air inlet and an air outlet of the circulating fan are communicated with the circulating air duct, the circulating fan is used for sucking the gas in the liner into the circulating air duct through the air return inlet, cold air is obtained after the gas is refrigerated by the refrigerating device, and the cold air is discharged to the liner through the air supply outlet.

Optionally, a first closing valve is arranged at the air return opening, and a second closing valve is arranged at the air supply opening; in the cooking process, the first closing valve and the second closing valve are used for isolating the inner container and the circulating air duct.

Optionally, the closing valve comprises a valve body, a valve plate and a driving device;

the valve body is provided with a first interface communicated with the circulating air duct and a second interface communicated with the inner container, the valve plate is arranged at the second interface, and the driving device is connected with the valve plate so as to drive the valve plate to open and close the second interface.

Optionally, the driving device comprises a direct-acting electromagnet and a driving rod;

the direct-acting electromagnet is arranged outside the valve body and generates electromagnetic force;

one end of the driving rod is in driving connection with the direct-acting electromagnet, the other end of the driving rod is connected with the valve plate, and under the action of the electromagnetic force, the driving rod conducts telescopic motion to drive the valve plate to open and close the second interface.

Optionally, the circulating fan is an axial flow fan and is disposed in the circulating air duct.

Optionally, the refrigeration device comprises a compressor, an evaporator, a condenser, a heat dissipation fan and a throttling device;

the evaporimeter sets up in the circulation wind channel, and the one end that the circulation wind channel was worn out to the one end of evaporimeter links to each other with the one end of compressor, and the other end of compressor links to each other with the one end of condenser, and the other end of condenser links to each other with throttling arrangement's one end, and throttling arrangement's the other end penetrates the other end of circulation wind channel and the evaporimeter and links to each other, and cooling fan sets up in the condenser side.

Optionally, the restriction device comprises a dry filter and a capillary tube;

wherein, the one end of drier-filter links to each other with the other end of condenser, and the other end of drier-filter links to each other with the one end of capillary, and the other end of capillary penetrates the circulation wind channel and links to each other with the other end of evaporimeter.

Optionally, the refrigeration device comprises a semiconductor refrigeration piece, a refrigeration end heat conduction grid and a heat dissipation end heat conduction grid which are arranged on two sides of the semiconductor refrigeration piece, and a heat dissipation fan;

the cold end of the semiconductor refrigerating sheet is connected with the refrigerating end heat conduction grid;

the hot end of the semiconductor refrigeration sheet is connected with the heat dissipation end heat conduction grid, and the refrigeration end heat conduction grid is arranged in the circulating air duct;

the heat radiation fan is arranged on the side surface of the heat conduction grid at the heat radiation end.

Optionally, further comprising a housing;

the encloser at least covers the compressor, the condenser and the heat dissipation fan to form a heat dissipation channel, and the heat dissipation fan drives air in the heat dissipation channel to flow from the compressor to the heat dissipation end of the refrigerating device.

In a second aspect, an embodiment of the present invention provides an integrated oven, including a rack, and a centrifugal fan, an air box and a refrigeration and fresh-keeping cooking box embedded in the bottom inner cavity of the rack from inside to outside in sequence;

the centrifugal fan is used for sucking the gas in the air box to the outside;

an air suction opening is formed in one side, close to the refrigeration and preservation cooking box, of the air box, and the air suction opening is formed in the heat dissipation end of the refrigeration device.

Optionally, an air guide device is arranged between the air suction opening and the heat dissipation end of the refrigeration device, wherein the air guide device comprises an air guide main body, an air guide air plate and an air plate driving device;

the air guide main body is embedded in the air suction opening;

alternatively, the first and second electrodes may be,

the air guide main body is fixedly arranged at the tail end of the heat dissipation end;

the air guide main body is provided with an air guide air plate driving device, and the air guide air plate driving device is arranged on the upper end surface of the air guide main body and used for driving the air guide air plate to move longitudinally and relatively along the air guide main body so as to open or close the air guide main body.

(III) advantageous effects

The utility model has the advantages that: the utility model discloses a fresh-keeping culinary art case of refrigeration and integrated kitchen, because adopt circulating fan to get into to the circulation wind channel in with the air in the inner bag from the return air inlet, then the air outlet through circulating fan refrigerates to refrigerating plant with the air conduction and becomes low temperature air, the low temperature air after will refrigerating again is released to the inner bag by the supply-air outlet, for prior art, it can form complete refrigeration passageway, good cold-stored effect of heat preservation has been reached, the edible material of waiting to cook keeps to be located low temperature environment, it is rotten during the reservation to prevent to eat the material.

Drawings

Fig. 1 is a schematic perspective view of a refrigerating and refreshing cooking box according to the present invention;

FIG. 2 is a schematic cross-sectional view A-A of embodiment 1 of the refrigerated fresh food cooking enclosure of FIG. 1;

fig. 3 is a schematic structural view of the refrigeration fresh-keeping cooking box of the present invention combining the embodiment 1 and the embodiment 2;

fig. 4 is a schematic perspective view of a refrigeration device of embodiment 1 of the refrigeration and freshness-preservation cooking box of the present invention;

fig. 5 is a schematic view of an exploded structure of a circulating air duct according to embodiment 1 of the fresh-keeping cooking box of the present invention;

fig. 6 is a schematic sectional view at a-a of a refrigerating device of embodiment 3 of the fresh-keeping cooking box of the present invention;

fig. 7 is an exploded schematic view of a refrigeration device in embodiment 3 of the refrigeration and preservation cooking box of the present invention;

fig. 8 is an exploded view of the integrated cooker of embodiment 4 of the present invention;

fig. 9 is an exploded view of the gas guide according to embodiment 5 of the integrated cooker of the present invention.

[ description of reference ]

1: a frame;

2: a centrifugal fan;

3: an air box; 301: an air suction opening;

4: an air guide device; 41: an air guide main body; 42: an air guide plate; 43: a damper drive device; 44: a through groove;

10: a box body; 11: a housing; 12: an inner container; 13: a box door;

20: a refrigeration system; 21: a circulating air duct; 211: an air return opening; 212: an air supply outlet; 22: a circulating fan; 23: a refrigeration device; 231: a compressor; 232: an evaporator; 233: a condenser; 234: a heat radiation fan; 235: drying the filter; 236: a capillary tube; 231': a semiconductor refrigeration sheet; 232': a refrigeration side heat conduction grid; 233': a heat-dissipating end heat-conducting grid; 234': a heat radiation fan;

28: a housing;

30: a first closing valve; 31: a valve body; 311: a first interface; 312: a second interface; 32: a valve plate; 33: a drive device; 331: a direct-acting electromagnet; 332: a drive rod;

40: a second closing valve;

50: a steam generator.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings. Where directional terms such as "upper", "lower", etc. are used herein, reference is made to the orientation of fig. 7.

The embodiment of the utility model provides a fresh-keeping cooking chamber of refrigeration, including box 10 and refrigerating system 20. The cabinet 10 includes an inner container 12 having an opening at one end therein and a door 13 for closing the inner container 12;

the refrigerating system 20 comprises a circulating air duct 21, a circulating fan 22 and a refrigerating device 23;

the circulating air duct 21 comprises an air return inlet 211 and an air supply outlet 212 which are arranged at two ends and communicated with the inner container 12;

an air inlet and an air outlet of the circulating fan 22 are both communicated with the circulating air duct 21, the circulating fan 22 is used for sucking the gas in the inner container 12 into the circulating air duct 21 through the air return port 211, discharging the gas to the refrigerating device 23 from the air outlet of the circulating fan 22, refrigerating the gas through the refrigerating device 23 to obtain cold air, and discharging the cold air to the inner container 12 through the air supply port 212. Because the circulating fan 22 is adopted to enable the air in the inner container 12 to enter the circulating air duct 21 from the air return opening 211, the air is conducted to the refrigerating device 23 through the air outlet of the circulating fan 22 to be refrigerated and then changed into low-temperature air, and the refrigerated low-temperature air is released to the inner container 12 through the air supply opening 212, compared with the prior art, the refrigerating device can form a complete refrigerating channel, achieves good heat preservation and refrigeration effects, keeps the food material to be cooked in a low-temperature environment, and prevents the food material from deteriorating in the appointment period.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Example 1:

referring to fig. 1 to 4, a fresh-keeping cooling cooking box includes a box body 10 and a cooling system 20.

The cabinet 10 includes a cabinet 11, and the cabinet 11 has an inner container 12 with an opening at one end and a door 13 for closing the inner container 12. The inner container 12 is used for placing food to be cooked. The door 13 is opened to put the food into the inner container 12, and the food is cooked by the steam generator 50 at the bottom of the inner container 12. Or an externally independent steam generator.

The refrigeration system 20 includes a circulation duct 21, a circulation fan 22, and a refrigeration device 23 provided in the circulation duct 21.

The circulation duct 21 has a return air inlet 211 and an air supply outlet 212 provided at both ends thereof and communicating with the inner container 12.

An air inlet and an air outlet of the circulating fan 22 are both communicated with the circulating air duct 21, the circulating fan 22 is used for sucking the air in the inner container 12 into the circulating air duct 21 through the air return port 211, the air is cooled by the refrigerating device 23 to obtain cold air, and the cold air is discharged to the inner container 12 through the air supply port 212.

Further, the circulating fan 22 is an axial fan and is disposed in the circulating air duct 21. When the axial flow fan sucks the air in the inner container 12, the air in the inner container 12 firstly enters the circulating air duct 21 through the air return port 211, then passes through the air inlet of the axial flow fan, and is discharged from the air outlet of the axial flow fan to the refrigerating device 23 for refrigeration. Besides, the circulating fan 22 may also be a centrifugal fan, and in this case, the circulating fan 22 needs to be installed at the air return port 211 or the air supply port 212 outside the circulating air duct 21. Specifically, when the centrifugal fan is disposed at the air return opening 211, that is, upstream of the refrigeration device 23, and sucks air in the inner container 12, the air in the inner container 12 firstly enters the circulation air duct 21 through the air return opening 211, then passes through the air inlet of the centrifugal fan, and is discharged from the air outlet of the centrifugal fan to the refrigeration device 23 for refrigeration; when the centrifugal fan is disposed at the air supply outlet 212, that is, downstream of the refrigeration device 23, and sucks air in the inner container 12, air in the inner container 12 firstly enters the circulating air duct 21 through the air return opening 211, then passes through the refrigeration device 23 for refrigeration, then cooled air enters through an air inlet of the centrifugal fan after refrigeration, then is discharged to the air supply outlet 212 from an air outlet of the centrifugal fan, and finally is discharged into the inner container 12 through the air supply outlet 212.

The utility model discloses on the basis of embodiment 1, refrigerating plant 23 in this embodiment adopts the compression refrigeration, and refrigeration efficiency is high. Including a compressor 231, an evaporator 232, a condenser 233, a radiator fan 234, and a throttling device.

The evaporator 232 is arranged in the circulating air duct 21, one end of the evaporator 232 penetrates out of the circulating air duct 21 to be connected with one end of the compressor 231, the other end of the compressor 231 is connected with one end of the condenser 233, the other end of the condenser 233 is connected with one end of the throttling device, the other end of the throttling device penetrates into the circulating air duct 21 to be connected with the other end of the evaporator 232, and the cooling fan 234 is arranged on the side face of the condenser 233.

Further, the throttling means includes a dry filter 235 and a capillary tube 236.

Wherein, one end of the dry filter 235 is connected to the other end of the condenser 233, the other end of the dry filter 235 is connected to one end of the capillary tube 236, and the other end of the capillary tube 236 penetrates through the circulating air duct 21 and is connected to the other end of the evaporator 232. The advantage of using capillary tube 236 for the restriction device is its simple structure, no moving parts, and low cost. The refrigeration unit 23 may be used without an accumulator. And at the same time, the refrigerant is less charged, and the pressures in the condenser 233 and the evaporator 232 are automatically equalized relatively quickly after the operation of the compressor 231 is stopped.

In the refrigeration in this embodiment, the refrigerant is compressed in the compressor 231 to become high-temperature and high-pressure gas, and is conveyed into the condenser 233, and is blown by the heat dissipation fan 234 to dissipate heat, the temperature of the refrigerant decreases to become high-pressure liquid, and the refrigerant is decompressed to evaporation pressure after passing through the drying filter 235 and the capillary tube 236 to become a gas-liquid mixture, and then the refrigerant enters the evaporator 232 to absorb heat and evaporate, thereby completing the refrigeration. The refrigerant is again drawn back by the compressor 231.

Further, a housing 28 is included.

The casing 28 covers at least the compressor 231, the condenser 233, and the heat dissipation fan 234 to form a heat dissipation channel, and the heat dissipation fan 234 drives air inside the heat dissipation channel to flow from the compressor 231 toward the heat dissipation end of the refrigeration device 23.

Example 2:

on the basis of embodiment 1, in this embodiment, the first closing valve 30 is disposed at the air return opening 211, the second closing valve 40 is disposed at the air supply opening 212, and the first closing valve 30 and the second closing valve 40 have the same size and structure, and are distributed in a mirror image manner with respect to the circulating air duct 21. During cooking, the first closing valve 30 and the second closing valve 40 are used for isolating the inner container 12 from the circulating air duct 21.

Further, the closing valve 30 includes a valve body 31, a valve sheet 32, and a driving device 33.

The valve body 31 has a first connection port 311 communicated with the circulating air duct 21 and a second connection port 312 communicated with the inner container 12, the valve plate 32 is disposed at the second connection port 312, and the driving device 33 is connected with the valve plate 32 to drive the valve plate 32 to open and close the second connection port 312.

It should be noted that the circulating air duct 21 may be directly connected to the inner container 11, or may be connected to the second closing valve 40 through the first closing valve 30, and the first closing valve 30 and the second closing valve 40 may isolate the inner container 11 and the circulating air duct 21, respectively, so as to prevent high-temperature water vapor from entering the circulating air duct 21, and protect the refrigeration assembly from being damaged by high temperature.

Further, the driving device 33 includes a direct-acting type electromagnet 331 and a driving lever 332.

The linear electromagnet 331 is provided outside the valve body 31 and generates electromagnetic force.

One end of the driving rod 332 is in driving connection with the direct-acting electromagnet 331, the other end of the driving rod 332 is connected with the valve sheet 32, and under the action of electromagnetic force, the driving rod 332 performs telescopic motion to drive the valve sheet 32 to open and close the second interface 312.

It should be noted that the driving device 33 may also be a motor, a worm is connected to a motor shaft, and the rotation of the worm drives the valve plate 32 to move up and down along the worm, and at this time, a rotation stopping structure for preventing the valve plate 32 from rotating along the worm needs to be designed. The second closing valve 40 may be the same as the first closing valve 30.

Example 3:

unlike embodiment 1, the refrigeration apparatus in this embodiment employs semiconductor refrigeration, and has a simple structure. Comprises a semiconductor refrigeration piece 231', a refrigeration end heat conduction grid 232' and a heat dissipation end heat conduction grid 233' which are arranged at two sides of the semiconductor refrigeration piece 231', and a heat dissipation fan 234 '.

The cold end of the semiconductor refrigeration sheet 231' is connected with the refrigeration end heat conduction grid 232' through heat conduction glue, and the refrigeration end heat conduction grid 232' is arranged in the circulating air duct 21.

The hot end of the semiconductor refrigeration sheet 231 'is connected with the heat dissipation end heat conduction grid 233' through heat conduction glue;

the heat dissipation fan 234 'is disposed at the side of the heat dissipation end heat conduction grid 233'.

It should be noted that the semiconductor refrigeration sheet 231 'forms a complete loop by being externally connected with a power supply, when the power is turned on, the semiconductor refrigeration sheet 231' generates a cold end and a hot end, and the cold end and refrigeration end heat conduction grid 232 'is used for dissipating the air refrigeration heat extracted from the circulating air duct 21 through the heat dissipation end heat conduction grid 233'.

Example 4:

the embodiment 1-3 is applied to form an integrated cooker in the embodiment, which comprises a rack 1, and a centrifugal fan 2, a wind box 3 and a refrigerating and fresh-keeping cooking box which are sequentially embedded into an inner cavity at the bottom of the rack 1 from inside to outside.

The centrifugal fan 2 is used to suck the gas in the wind box 3 to the outside.

An air suction opening 301 is formed in one side, close to the refrigeration and preservation cooking box, of the air box 3, and the air suction opening 301 is formed in the heat dissipation end of the refrigeration device 23. In the process of refrigeration and preservation, the heat dissipation fan 234 or the heat dissipation fan 234' blows heated air into the air box 3 through the air suction opening 301, so that the phenomenon that the refrigeration effect is influenced due to overhigh temperature rise inside the rack 1 is prevented.

Example 5:

on the basis of embodiment 4, the present embodiment is provided with an air guide device 4 between the air suction opening 301 and the heat dissipation end of the refrigeration device 23, wherein the air guide device 4 comprises an air guide main body 41, an air guide plate 42 and a wind plate driving device 43.

The air guide body 41 is inserted into the air inlet 301. Alternatively, the first and second electrodes may be,

the air guide body 41 is fixedly arranged at the tail end of the heat dissipation end.

The air guide plate driving device 43 is disposed on the upper end surface of the air guide main body 41, and is used for driving the air guide plate 42 to move relatively along the longitudinal direction of the air guide main body 41, so that the air guide plate 42 opens or closes the air guide main body 41, and the lower end surface of the air guide main body 41 is provided with a through groove 44 for the air guide plate 42 to slide.

The air guide main body 41 and the air guide air plate 42 are provided with the same notches, and after the electromagnetic push rod is electrified, the electric push rod is shortened, so that the air guide air plate 42 slides relative to the air guide main body 41, and the notches of the air guide air plate and the air guide air plate are superposed to be in a conducting state; when the electromagnetic push rod is powered off, the electric push rod is reset and extends out through the through groove 44, and the electric push rod and the through groove are in a closed state when mutually shielded. The air guide device 4 is used for sealing the channel of the air suction opening 301 when the refrigerating device 23 does not work, and the oil smoke suction effect of the air box 3 from the upper part of the integrated stove cannot be influenced.

It should be noted that a drainage channel 213 is further disposed at the bottom of the circulating air duct 21, so that water vapor in the air can be condensed in the evaporator 232, and the condensed water after dropping is drained from the drainage channel 213. The circulating air duct 21 is formed by combining the front air duct shell 214 and the rear air duct shell 215, the evaporator 232 or the refrigeration end heat conduction grid 232' is inserted into the circulating air duct 21, and the circulating fan 22 can be arranged in the circulating air duct 21 or arranged outside and connected with the circulating air duct in series.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a refrigeration fresh-keeping cooking case, includes box (10) and refrigerating system (20), its characterized in that:

the box body (10) comprises an inner container (12) with one open end and a box door (13) for closing the inner container (12) in the box body;

the refrigerating system (20) comprises a circulating air duct (21), a circulating fan (22) and a refrigerating device (23) arranged in the circulating air duct (21);

the circulating air duct (21) is provided with an air return inlet (211) and an air supply outlet (212) which are arranged at the two ends of the circulating air duct and are communicated with the inner container (12);

an air inlet and an air outlet of the circulating fan (22) are communicated with the circulating air duct (21), the circulating fan (22) is used for sucking the gas of the inner container (12) into the circulating air duct (21) through the air return opening (211), cold air is obtained after refrigeration is carried out through the refrigerating device (23), and the cold air is discharged to the inner container (12) through the air supply opening (212).

2. A refrigerated crisper cooking chamber as claimed in claim 1, wherein: a first closing valve (30) is arranged at the air return opening (211), and a second closing valve (40) is arranged at the air supply opening (212); the first closing valve (30) and the second closing valve (40) are used for isolating the inner container (12) and the circulating air duct (21) during cooking.

3. A refrigerated crisper cooking chamber as claimed in claim 2, wherein: the sealing valve (30) comprises a valve body (31), a valve plate (32) and a driving device (33);

the valve body (31) is provided with a first interface (311) communicated with the circulating air duct (21) and a second interface (312) communicated with the inner container (12), the valve plate (32) is arranged at the second interface (312), and the driving device (33) is connected with the valve plate (32) to drive the valve plate (32) to open and close the second interface (312).

4. A refrigerated crisper cooking chamber as claimed in claim 3, wherein: the driving device (33) comprises a linear electromagnet (331) and a driving rod (332);

the direct-acting electromagnet (331) is arranged outside the valve body (31) and generates electromagnetic force;

one end of the driving rod (332) is in driving connection with the direct-acting electromagnet (331), the other end of the driving rod (332) is connected with the valve plate (32), and under the action of the electromagnetic force, the driving rod (332) conducts telescopic motion to drive the valve plate (32) to open and close the second interface (312).

5. A refrigerated crisper cooking chamber as claimed in claim 1, wherein: the refrigerating device (23) comprises a compressor (231), an evaporator (232), a condenser (233), a heat radiation fan (234) and a throttling device;

evaporator (232) set up in circulation wind channel (21), the one end of evaporator (232) is worn out circulation wind channel (21) with the one end of compressor (231) links to each other, the other end of compressor (231) with the one end of condenser (233) links to each other, the other end of condenser (233) with throttling arrangement's one end links to each other, throttling arrangement's the other end penetrates circulation wind channel (21) with the other end of evaporator (232) links to each other, radiator fan (234) set up in condenser (233) side.

6. A refrigerated crisper cooking chamber as claimed in claim 5, wherein: the throttling device comprises a dry filter (235) and a capillary tube (236);

one end of the dry filter (235) is connected with the other end of the condenser (233), the other end of the dry filter (235) is connected with one end of the capillary tube (236), and the other end of the capillary tube (236) penetrates into the circulating air duct (21) to be connected with the other end of the evaporator (232).

7. A refrigerated crisper cooking chamber as claimed in claim 1, wherein: the refrigerating device (23) comprises a semiconductor refrigerating piece (231'), a refrigerating end heat conduction grid (232') and a radiating end heat conduction grid (233') which are arranged on two sides of the semiconductor refrigerating piece (231'), and a radiating fan (234 ');

the cold end of the semiconductor refrigeration piece (231') is connected with the refrigeration end heat conduction grid (232'), and the refrigeration end heat conduction grid (232') is arranged in the circulating air duct (21);

the hot end of the semiconductor refrigeration piece (231') is connected with the heat dissipation end heat conduction grid (233');

the heat dissipation fan (234') is arranged on the side surface of the heat dissipation end heat conduction grid (233').

8. A refrigerated crisper cooking chamber as claimed in claim 5, wherein: further comprising a casing (28);

the cover casing (28) covers at least the compressor (231), the condenser (233) and the heat dissipation fan (234) to form a heat dissipation channel, and the heat dissipation fan (234) drives air inside the heat dissipation channel to flow from the compressor (231) to the heat dissipation end of the refrigeration device (23).

9. An integrated kitchen, its characterized in that: comprises a frame (1), a centrifugal fan (2) and an air box (3) which are embedded into an inner cavity at the bottom of the frame (1) from inside to outside in sequence, and the refrigerating and fresh-keeping cooking box of any one of claims 1-8;

the centrifugal fan (2) is used for sucking the gas in the air box (3) to the outside;

bellows (3) are close to fresh-keeping culinary art case one side of refrigeration seted up inlet scoop (301), inlet scoop (301) set up in the heat dissipation end department of refrigerating plant (23).

10. The integrated cooker of claim 9, wherein: an air guide device (4) is arranged between the air suction opening (301) and the heat dissipation end of the refrigerating device (23), wherein the air guide device (4) comprises an air guide main body (41), an air guide air plate (42) and an air plate driving device (43);

the air guide main body (41) is embedded in the air suction opening (301); alternatively, the first and second electrodes may be,

the air guide main body (41) is fixedly arranged at the tail end of the heat dissipation end;

the air guide plate driving device (43) is arranged on the upper end face of the air guide main body (41) and used for driving the air guide plate (42) to move longitudinally and relatively along the air guide main body (41) so that the air guide plate (42) can open or close the air guide main body (41).

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