Cold air device, cooking equipment and operation method of cooking equipment

Abstract

The invention discloses a cold air device, cooking equipment and an operation method of the cooking equipment, and the cold air device comprises an air channel which comprises an air inlet channel and an air outlet channel; the refrigeration assembly is installed on the air duct and located in the air inlet channel and the air outlet channel; the air cooler is communicated with the air inlet channel; the air inlet valve is connected with the air inlet channel and is used for controlling the on-off of the air inlet channel; and the exhaust valve is communicated with the air outlet channel and is used for controlling the on-off of the air outlet channel. According to the cold air device, the cold air device is installed in the cooking equipment, on one hand, the reservation fresh-keeping effect on food can be achieved, on the other hand, after cooking is completed, high-temperature gas can be condensed and cooled, the situation that the high-temperature gas is directly exhausted out of the cooking equipment, and a user is hurt is avoided, and the structure is simple and compact.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen appliances, and in particular to a cooling device, a cooking device and an operating method thereof. Background Art

[0002] When a traditional steam oven is opened after cooking, a large amount of steam will instantly rush out from the cavity towards the user's face, which may blur the user's vision or scald the user. In addition, a large amount of steam will make the kitchen smoky and increase the humidity of the kitchen air. Long-term humidity will cause the water vapor to corrode furniture and appliances. The high-temperature steam continuously discharged from ordinary steam ovens during use also poses a risk of scalding the user.

[0003] In addition, in the summer when the temperature is high, if you put the ingredients in the steam oven and start the scheduled cooking function, the food will easily deteriorate due to the high ambient temperature while waiting to be cooked, and the user experience will be poor.

[0004] Therefore, a cooling air device is urgently needed to solve the above problems. Summary of the invention

[0005] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention proposes a cold air device, which is installed in the cooking equipment. On the one hand, it can achieve the effect of preserving food in advance. On the other hand, it can condense and cool the high-temperature gas after cooking is completed, so as to avoid the high-temperature gas being directly discharged from the cooking equipment and causing harm to the user. The structure is simple and compact.

[0006] The above purpose is achieved through the following technical solutions:

[0007] A cooling device, comprising:

[0008] Air duct, including air inlet duct and air outlet duct;

[0009] A refrigeration component, installed on the air duct and located in the air inlet channel and the air outlet channel;

[0010] A cooling fan, connected to the air inlet channel;

[0011] An air intake valve, connected to the air intake channel, and used to control the on-off of the air intake channel;

[0012] The exhaust valve is connected to the air outlet channel and is used to control the opening and closing of the air outlet channel.

[0013] Optionally, the refrigeration component includes a refrigeration structure, which includes a refrigeration body, a first heat dissipation fin group arranged on one side of the refrigeration body, and a first refrigeration block and a second refrigeration block arranged on the other side of the refrigeration body, the first heat dissipation fin group is connected to the outside of the air duct, the first refrigeration block is connected to the air inlet channel for cooling the gas in the air inlet channel, and the second refrigeration block is connected to the air outlet channel for cooling the gas in the air outlet channel.

[0014] Optionally, the refrigeration component also includes a heat dissipation structure, which includes a heat dissipation body and a second heat dissipation fin group and a third heat dissipation fin group arranged on the same side of the heat dissipation body, the first refrigeration block is located on the side of the heat dissipation body opposite to the second heat dissipation fin group and is arranged corresponding to the second heat dissipation fin group, the second refrigeration block is located on the side of the heat dissipation body opposite to the third heat dissipation fin group and is arranged corresponding to the third heat dissipation fin group, the air duct is provided with a first opening connected to the air inlet channel and a second opening connected to the air outlet channel, the second heat dissipation fin group extends into the air inlet channel via the first opening, and the third heat dissipation fin group extends into the air outlet channel via the second opening.

[0015] Optionally, the second heat dissipation fin group and the third heat dissipation fin group both include a plurality of first heat dissipation fins arranged in sequence along the air flow direction, two adjacent first heat dissipation fins are spaced apart to form an air flow channel, and the first heat dissipation fins are provided with air holes for connecting two adjacent air flow channels, and two adjacent air holes are staggered.

[0016] Optionally, the refrigeration assembly also includes a first seal, which is provided with a first avoidance hole corresponding to the first refrigeration block and a second avoidance hole corresponding to the second refrigeration block. The first seal is clamped between the refrigeration body and the heat dissipation body. The first refrigeration block abuts against the heat dissipation body after passing through the first avoidance hole, and the second refrigeration block abuts against the heat dissipation body after passing through the second avoidance hole.

[0017] Optionally, the refrigeration assembly further includes a second seal, which is disposed between the heat dissipation body and the air duct and is used to seal a gap between the heat dissipation body and the air duct.

[0018] Optionally, the refrigeration component also includes a cover and a heat dissipation fan, the cover is provided with a accommodating cavity, the first heat dissipation fin group is located in the accommodating cavity, the cover is installed on the air duct, the heat dissipation fan is arranged at the first end of the cover, the air outlet of the heat dissipation fan is connected with the accommodating cavity, the second end of the cover is provided with an exhaust part, the first end of the cover is arranged opposite to the second end of the cover, the first heat dissipation fin group includes a plurality of second heat dissipation fins arranged at intervals, and the plurality of second heat dissipation fins are extended from the first end of the cover to the second end of the cover.

[0019] Optionally, the first end of the air duct is provided with a first air inlet and a first air outlet connected to the air inlet channel, and the second end of the air duct is provided with a second air inlet and a second air outlet connected to the air outlet channel, the air inlet channel is provided with a first air inlet portion, a second air inlet portion and a third air inlet portion in sequence from the first end of the air duct to the second end of the air duct, the second air inlet portion is inclined downward from an end close to the first air inlet portion to an end close to the third air inlet portion, the air outlet channel is provided with a first air outlet portion, a second air outlet portion and a third air outlet in sequence from the first end of the air duct to the second end of the air duct, the second air outlet portion is inclined downward from an end close to the first air outlet portion to an end close to the third air outlet portion, the refrigeration component is arranged on the third air inlet portion and the third air outlet, the second air inlet is arranged at the bottom of the third air inlet portion, and the second air outlet is arranged at the bottom of the third air outlet portion.

[0020] Optionally, a stop flange protruding upward is provided on the peripheral side of the second air inlet, and a condensation water through hole is provided between the third air inlet portion and the third air outlet portion.

[0021] Optionally, it further includes an air intake pipe, the air intake pipe is connected to the second air inlet, the air intake valve and the air cooler are both installed on the air intake pipe, and the air intake valve is used to control the on-off of the air intake pipe; and / or

[0022] It also includes an air outlet pipe, which is connected to the second air outlet. The exhaust valve is installed on the air outlet pipe, and the exhaust valve is used to control the opening and closing of the air outlet pipe.

[0023] Optionally, the air duct further includes a filter, an air duct bottom shell and an air duct upper shell, the air duct bottom shell and the air duct upper shell are enclosed to form the air inlet channel and the air outlet channel, and the filter is provided in both the air inlet channel and the air outlet channel.

[0024] Another aspect of the present invention provides a cooking device, including a cooking pot, a steam component and the above-mentioned cold air device, wherein the steam component, the air inlet channel and the air outlet channel are all connected to the cooking pot, and the steam component is used to transport high-temperature steam into the cooking pot.

[0025] Optionally, the steam assembly comprises:

[0026] A water tank, mounted on the upper side of the cooking liner and located on the lower side of the air duct;

[0027] a water pipe, a first end of which is in communication with the water tank;

[0028] A steam generator is installed at the rear side of the cooking inner pot, the second end of the water pipe is connected to the steam generator, and the steam outlet of the steam generator is connected to the cooking inner pot, for conveying high-temperature steam into the cooking inner pot;

[0029] A water pump is installed on the upper side of the cooking pot and located at the lower side of the air duct. The water pump is installed on the water pipe and is used to pump water in the water tank into the steam generator.

[0030] Another aspect of the present invention provides a method for operating the cooking device as described above, comprising the following steps:

[0031] S1: cooking equipment standby;

[0032] S2: Determine whether the cooking mode is selected, if so, enter S3;

[0033] S3: Enter cooking mode and start timing t1;

[0034] S4: the steam component and the refrigeration component are both working, and the exhaust valve is opened;

[0035] S5: Determine whether T1>T01, if so, go to S6, if not, return to S4;

[0036] S6: Determine whether t1 = t01, if so, go to S7, if not, return to S5;

[0037] S7: the steam component stops working and the cooling fan starts working;

[0038] S8: Determine whether T1 < T02, if so, enter the standby mode and prompt the user that cooking is complete;

[0039] Among them, T1 is the real-time temperature inside the cooking pot; T01 is the preset cooking temperature; t01 is the preset cooking time; T02 is the preset temperature inside the cooking pot after the high-temperature steam is discharged, T01>T02.

[0040] Optionally, in S4, the second refrigeration block of the refrigeration assembly connected to the air outlet channel is in operation, and the first refrigeration block of the refrigeration assembly connected to the air inlet channel stops operating.

[0041] Optionally, in S2, if the cooking mode is not selected, proceed to the following steps:

[0042] S21: Determine whether to enter the fresh-keeping mode, if so, enter S22;

[0043] S22: Enter the fresh-keeping mode and start timing t2;

[0044] S23: the refrigeration assembly and the air cooler are both in operation, and the air inlet valve and the air exhaust valve are both open;

[0045] S24: Determine whether T1 < T03, if so, go to S25, if not, return to S23;

[0046] S25: Determine whether t2 = t02. If so, enter the standby mode and prompt the user that the preservation is completed. If not, return to S24.

[0047] Among them, T03 is the preset preservation temperature; t02 is the preset preservation time; T02>T03.

[0048] Optionally, in S23, the second refrigeration block of the refrigeration assembly connected to the air outlet channel stops working, and the first refrigeration block of the refrigeration assembly connected to the air inlet channel starts working.

[0049] Optionally, in S21, if the fresh-keeping mode is not selected, proceed to the following steps:

[0050] S211: Determine whether to enter the fresh-keeping cooking mode, if yes, enter S212, if no, return to S1;

[0051] S212: Entering the fresh-keeping cooking mode, starting the timer t3;

[0052] S213: The refrigeration assembly and the air cooler are both in operation, and the air inlet valve and the air exhaust valve are both open;

[0053] S214: Determine whether T1 < T03, if so, proceed to S215, if not, return to S213;

[0054] S215: Determine whether t3 = t02. If so, the refrigeration component stops working and enters S216. If not, return to S214.

[0055] S216: Determine whether T1 < T04, if so, proceed to S217, if not, repeat S216;

[0056] S217: t3 is reset and the timing is restarted;

[0057] S218: The steam component and the refrigeration component are both working, and the exhaust valve is opened;

[0058] S219: Determine whether T1>T01, if so, proceed to S220, if not, return to S218;

[0059] S220: Determine whether t3 = t01, if so, proceed to S221, if not, return to S219;

[0060] S221: the steam component stops working and the cooling fan starts working;

[0061] S222: Determine whether T1 < T02, if so, enter the standby mode and prompt the user that the cooking is complete, if not, return to S221;

[0062] Among them, T04 is the preset temperature of the cooking pot after the cold air is discharged, and T04>T03.

[0063] Compared with the prior art, the present invention has at least the following beneficial effects:

[0064] The present invention provides a cold air device including an air duct, a refrigeration component, an air cooler, an exhaust valve and an air inlet valve. The air duct includes an air inlet channel and an air outlet channel. The refrigeration component is installed on the air duct and is located in the air inlet channel and the air outlet channel. The air cooler is connected to the air inlet channel. The air inlet valve is connected to the air inlet channel and is used to control the on-off of the air inlet channel. The exhaust valve is connected to the air outlet channel and is used to control the on-off of the air outlet channel. The cold air device is installed in the cooking device. On the one hand, it can achieve the effect of preserving food in advance. On the other hand, it can achieve condensation and cooling of high-temperature gas after cooking is completed, so as to avoid high-temperature gas being directly discharged from the cooking device and causing harm to the user. The structure is simple and compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] Figure 1 is a schematic diagram of the three-dimensional structure of a cooking device provided by a specific embodiment of the present invention with a door panel removed;

[0066] Figure 2 is a schematic diagram of the three-dimensional structure of a cooking device provided by a specific embodiment of the present invention;

[0067] Figure 3 is a schematic diagram of the three-dimensional structure of a cooling air device of a cooking device provided by a specific embodiment of the present invention;

[0068] Figure 4 yes Figure 3 Exploded diagram of

[0069] Figure 5yes Figure 2 A top view of

[0070] Figure 6 yes Figure 5 Sectional view at AA in the middle;

[0071] Figure 7 yes Figure 5 Sectional view at the middle BB;

[0072] Figure 8 yes Figure 3 The main view;

[0073] Fig. 9 yes Figure 8 Sectional view at CC;

[0074] Fig.10 It is one of the operation step diagrams of the cooking device provided by the specific embodiment of the present invention;

[0075] Fig.11 This is the second operating step diagram of the cooking device provided by the specific embodiment of the present invention;

[0076] Fig.12 This is the third operating step diagram of the cooking device provided by the specific embodiment of the present invention.

[0077] In the figure:

[0078] 1. air duct; 11. air inlet channel; 111. first air inlet; 1110. first air inlet; 112. third air inlet; 1120. second air inlet; 1121. stop flange; 113. second air inlet; 12. air outlet channel; 121. first air outlet; 1210. first air outlet; 122. third air outlet; 1220. second air outlet; 123. second air outlet; 13. filter; 101. air duct upper shell; 102. air duct bottom shell;

[0079] 2. Refrigeration assembly; 21. Refrigeration structure; 211. Refrigeration body; 212. First refrigeration block; 213. Second refrigeration block; 214. First heat dissipation fin group; 22. Cover; 210. Accommodation cavity; 221. Exhaust part; 23. Heat dissipation structure; 230. Air hole; 2301. Air flow channel; 231. Heat dissipation body; 232. Second heat dissipation fin group; 233. Third heat dissipation fin group; 234. First heat sink; 24. First sealing member; 241. First avoidance hole; 242. Second avoidance hole; 25. Second sealing member;

[0080] 3. Cooling fan;

[0081] 41. Intake valve; 42. Exhaust valve; 43. Intake pipe; 44. Exhaust pipe;

[0082] 5. Air cooler;

[0083] 6. Cooking liner;

[0084] 71. Water tank; 72. Water pump; 73. Steam generator; 74. Water pipe;

[0085] 8. Door panel. DETAILED DESCRIPTION

[0086] The following examples illustrate the present invention, but the present invention is not limited to these examples. Modifications to the specific embodiments of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed by the present invention.

[0087] Please refer to Figure 1-Figure 9 The present invention provides a cooling device, including an air duct 1, a refrigeration assembly 2, an air cooler 5, an exhaust valve 42 and an air inlet valve 41. The air duct 1 includes an air inlet channel 11 and an air outlet channel 12. The refrigeration assembly 2 is installed on the air duct 1 and is located in the air inlet channel 11 and the air outlet channel 12. The air cooler 5 is connected to the air inlet channel 11. The air inlet valve 41 is connected to the air inlet channel 11 and is used to control the opening and closing of the air inlet channel 11. The exhaust valve 42 is connected to the air outlet channel 12 and is used to control the opening and closing of the air outlet channel 12. Specifically, the cold air device is installed on the cooking equipment. When the cooking equipment finishes cooking, the exhaust valve 42 can be opened to discharge high-temperature steam through the air outlet channel 12. The high-temperature steam discharged through the air outlet channel 12 is condensed and cooled under the refrigeration of the refrigeration component 2, thereby avoiding the high-temperature steam from being directly discharged from the cooking equipment and causing burns to the user; when the cooking equipment needs to keep the food fresh, the air inlet valve 41 and the exhaust valve 42 can be opened to draw the air outside the cooking equipment into the air inlet channel 11 through the cold air fan 5, and then the refrigeration component 2 will cool and cool the room temperature air in the air inlet channel 11 and then transport it to the cooking equipment, thereby lowering the temperature inside the cooking equipment and achieving the effect of preserving the food in the cooking equipment. Especially when the user uses the scheduled cooking function, the food can be preserved first, and then cooked after the preservation time is over, thereby improving the freshness of the food.

[0088] Optionally, the refrigeration assembly 2 includes a refrigeration structure 21, which includes a refrigeration body 211, a first heat dissipation fin group 214 arranged on one side of the refrigeration body 211, and a first refrigeration block 212 and a second refrigeration block 213 arranged on the other side of the refrigeration body 211. The first heat dissipation fin group 214 is connected to the outside of the air duct 1, the first refrigeration block 212 is connected to the air inlet channel 11, and is used to cool the gas in the air inlet channel 11. The second refrigeration block 213 is connected to the air outlet channel 12, and is used to cool the gas in the air outlet channel 12. The hot air generated after refrigeration and heat exchange between the first refrigeration block 212 and the second refrigeration block 213 is dissipated to the outside of the air duct 1 through the first heat dissipation fin group 214.

[0089] Optionally, the refrigeration assembly 2 also includes a heat dissipation structure 23, the heat dissipation structure 23 includes a heat dissipation body 231 and a second heat dissipation fin group 232 and a third heat dissipation fin group 233 arranged on the same side of the heat dissipation body 231, the first refrigeration block 212 is located on the side of the heat dissipation body 231 facing away from the second heat dissipation fin group 232 and is arranged corresponding to the second heat dissipation fin group 232, the second refrigeration block 213 is located on the side of the heat dissipation body 231 facing away from the third heat dissipation fin group 233 and is arranged corresponding to the third heat dissipation fin group 233, the air duct 1 is provided with a first opening connected to the air inlet channel 11 and a second opening connected to the air outlet channel 12, the second heat dissipation fin group 232 is connected to the air outlet channel 12 via the first The opening extends into the air inlet channel 11, so that the heat of the air flow in the air inlet channel 11 can be heat exchanged through the second heat dissipation fin group 232, and the second heat dissipation fin group 232 then exchanges heat with the first refrigeration block 212 through the heat dissipation body 231, thereby achieving a cooling effect on the gas in the air inlet channel 11, and the third heat dissipation fin group 233 extends into the air outlet channel 12 through the second opening, so that the heat of the air flow in the air outlet channel 12 can be heat exchanged through the third heat dissipation fin group 233, and the third heat dissipation fin group 233 then exchanges heat with the second refrigeration block 213 through the heat dissipation body 231, thereby achieving a cooling effect on the gas in the air inlet channel 11.

[0090] Optionally, the second heat sink fin group 232 and the third heat sink fin group 233 each include a plurality of first heat sinks 234 arranged in sequence along the airflow direction, and two adjacent first heat sinks 234 are spaced apart to form an airflow channel 2301. The first heat sink 234 is provided with air holes 230 for connecting two adjacent airflow channels 2301, and two adjacent air holes 230 are staggered. In this way, the length of the airflow channel 2301 can be extended, so that the heat exchange between the first heat sink 234 and the airflow is more sufficient.

[0091] Optionally, the refrigeration assembly 2 also includes a first sealing member 24, on which a first avoidance hole 241 corresponding to the first refrigeration block 212 and a second avoidance hole 242 corresponding to the second refrigeration block 213 are formed. The first sealing member 24 is sandwiched between the refrigeration body 211 and the heat dissipation body 231. The first refrigeration block 212 abuts against the heat dissipation body 231 after passing through the first avoidance hole 241, and the second refrigeration block 213 abuts against the heat dissipation body 231 after passing through the second avoidance hole 242. By providing the first sealing member 24, the gap between the first refrigeration block 212 and the first avoidance hole 241 and the gap between the second refrigeration block 213 and the second avoidance hole 242 are sealed, thereby preventing airflow from flowing out through the gap between the first refrigeration block 212 and the first avoidance hole 241 and the gap between the second refrigeration block 213 and the second avoidance hole 242.

[0092] Optionally, the refrigeration assembly 2 also includes a second seal 25, which is arranged between the heat dissipation body 231 and the air duct 1, and is used to seal the gap between the heat dissipation body 231 and the air duct 1, thereby preventing the air flow from flowing out through the gap between the heat dissipation body 231 and the first opening, and the gap between the heat dissipation body 231 and the second opening.

[0093] Optionally, the refrigeration assembly 2 also includes a cover shell 22 and a heat dissipation fan 3, a housing chamber 210 is provided in the cover shell 22, a first heat dissipation fin group 214 is located in the housing chamber 210, the cover shell 22 is installed on the air duct 1, the heat dissipation fan 3 is arranged at the first end of the cover shell 22, and the air outlet of the heat dissipation fan 3 is connected with the housing chamber 210, and an exhaust part 221 is provided at the second end of the cover shell 22, the first end of the cover shell 22 is arranged opposite to the second end of the cover shell 22, the first heat dissipation fin group 214 includes a plurality of second heat dissipation fins arranged at intervals, and the plurality of second heat dissipation fins are extended from the first end of the cover shell 22 to the second end of the cover shell 22. When the refrigeration structure 21 is working, the heat dissipation fan 3 works at the same time to discharge the heat in the first heat dissipation fin group 214 to the outside of the air duct 1 through the air outlet.

[0094] Optionally, the first end of the air duct 1 is provided with a first air inlet 1110 and a first air outlet 1210 connected to the air inlet channel 11, the second end of the air duct 1 is provided with a second air inlet 1120 and a second air outlet 1220 connected to the air outlet channel 12, the air inlet channel 11 is provided with a first air inlet portion 111, a second air inlet portion 113 and a third air inlet portion 112 in sequence from the first end of the air duct 1 to the second end of the air duct 1, the second air inlet portion 113 is arranged downwardly inclined from an end close to the first air inlet portion 111 to an end close to the third air inlet portion 112, so that condensed water in the first air inlet portion 111 and the second air inlet portion 113 can flow into the third air inlet portion 112, and the air outlet channel 12 is provided with a first air inlet portion 111, a second air inlet portion 113 and a third air inlet portion 112 in sequence from the first end of the air duct 1 to the second end of the air duct 1 A first air outlet 121, a second air outlet 123 and a third air outlet 122 are provided. The second air outlet 123 is inclined downward from one end close to the first air outlet 121 to one end close to the third air outlet 122, so that the condensed water in the first air outlet 121 and the second air outlet 123 can flow into the third air outlet 122. The refrigeration component 2 is arranged on the third air inlet 112 and the third air outlet 122. The second air inlet 1120 is arranged at the bottom of the third air inlet 112. The condensed water in the third air inlet 112 can flow out through the second air inlet 1120. The second air outlet 1220 is arranged at the bottom of the third air outlet 122. The condensed water in the third air outlet 122 can flow out through the second air outlet 1220.

[0095] Optionally, a stop flange 1121 protruding upward is provided on the peripheral side of the second air inlet 1120, and a condensation water hole is provided between the third air inlet portion 112 and the third air outlet portion 122, so that the condensation water in the third air inlet portion 112 can flow into the third air outlet portion 122 through the condensation water hole, and then flow out through the second air outlet 1220.

[0096] Optionally, it further includes an air intake pipe 43, the air intake pipe 43 is connected to the second air inlet 1120, the air intake valve 41 and the air cooler 5 are both installed on the air intake pipe 43, and the air intake valve 41 is used to control the on-off of the air intake pipe 43; and / or

[0097] It also includes an air outlet pipe 44 , which is connected to the second air outlet 1220 . An exhaust valve 42 is installed on the air outlet pipe 44 , and the exhaust valve 42 is used to control the opening and closing of the air outlet pipe 44 .

[0098] Optionally, the air duct 1 further includes a filter 13, an air duct bottom shell 102 and an air duct upper shell 101, the air duct bottom shell 102 and the air duct upper shell 101 enclose an air inlet channel 11 and an air outlet channel 12, and the air inlet channel 11 and the air outlet channel 12 are both provided with a filter 13.

[0099] On the other hand, the present invention provides a cooking device, including a cooking liner 6, a steam component and the above-mentioned cold air device, the steam component, the air inlet channel 11, and the air outlet channel 12 are all connected to the cooking liner 6, and the steam component is used to transport high-temperature steam into the cooking liner 6.

[0100] Furthermore, the upper end of the air outlet pipe 44 is connected to the second air outlet 1220, and the lower end of the air outlet pipe 44 is connected to the cooking inner pot 6, so that the high-temperature gas in the cooking inner pot 6 can be discharged into the air outlet channel 12 through the air outlet pipe 44, and the condensed water in the third air outlet portion 122 can flow back into the cooking inner pot 6 through the air outlet pipe 44, and the upper end of the air inlet pipe 43 is connected to the second air inlet 1120, and the lower end of the air inlet pipe 43 is connected to the cooking inner pot 6, so that the air in the air inlet channel 11 can be discharged into the cooking inner pot 6 through the air inlet pipe 43.

[0101] Optionally, the steam assembly includes a water tank 71, a water pipe 74, a steam generator 73 and a water pump 72. The water tank 71 is installed on the upper side of the cooking inner pot 6 and is located at the lower side of the air duct 1. The first end of the water pipe 74 is connected to the water tank 71. The steam generator 73 is installed on the rear side of the cooking inner pot 6, the second end of the water pipe 74 is connected to the steam generator 73, and the steam outlet of the steam generator 73 is connected to the cooking inner pot 6, which is used to transport high-temperature steam into the cooking inner pot 6. The water pump 72 is installed on the upper side of the cooking inner pot 6 and is located at the lower side of the air duct 1. The water pump 72 is installed on the water pipe 74, and is used to pump water in the water tank 71 into the steam generator 73.

[0102] Optionally, a temperature detector is further included, which is installed in the cooking pot 6 and is used to detect the real-time temperature T1 in the cooking pot 6.

[0103] Optionally, a door panel 8 is further included, which is installed at the front end of the cooking liner 6 and is used to close and open the cooking liner 6.

[0104] Optionally, the air duct 1 is installed from front to back, that is, the first air inlet 1110 and the first air outlet 1210 are both arranged at the front end of the air duct 1, and the second air inlet 1120 and the second air outlet 1220 are both arranged at the rear end of the air duct 1, and the first air inlet 1110 and the first air inlet 1110 are located on the rear side of the door panel 8 and are connected to the outside of the shell of the cooking device, thereby realizing air intake and exhaust.

[0105] Please refer to Fig.10 In another aspect, the present invention provides a method for operating the cooking device as described above, comprising the following steps:

[0106] S1: cooking equipment standby;

[0107] S2: Determine whether the cooking mode is selected, if so, enter S3;

[0108] S3: Enter cooking mode and start timing t1;

[0109] S4: The steam assembly and the refrigeration assembly 2 are both working, the exhaust valve 42 is opened, and the high-temperature steam enters the cooking liner 6 for cooking, while the air pressure in the cooking liner 6 is basically balanced with the atmospheric pressure outside the cooking device, and the high-temperature gas discharged from the outside of the cooking device is also cooled;

[0110] S5: Determine whether T1>T01, if so, go to S6, if not, return to S4;

[0111] S6: Determine whether t1 = t01. If so, it means that the cooking is finished, and then enter S7. If not, return to S5.

[0112] S7: The steam component stops working and the cooling fan 5 starts working;

[0113] S8: Determine whether T1 < T02. If so, it means that the high-temperature steam in the cooking pot 6 has been basically discharged, and the machine enters the standby mode, prompting the user that cooking is complete;

[0114] Among them, T1 is the real-time temperature inside the cooking pot 6; T01 is the preset cooking temperature; t01 is the preset cooking time; T02 is the preset temperature inside the cooking pot 6 after the high-temperature steam is discharged, T01>T02.

[0115] Optionally, in S4, the second refrigeration block 213 of the refrigeration component 2 connected to the air outlet channel 12 works, and the first refrigeration block 212 of the refrigeration component 2 connected to the air inlet channel 11 stops working. In this way, only the gas in the air outlet channel 12 is cooled, which saves energy and reduces consumption. Of course, in other embodiments, in order to improve the heat dissipation effect, the first refrigeration block 212 and the second refrigeration block 213 can also be started at the same time.

[0116] Please refer to Fig.11 Optionally, in S2, if the cooking mode is not selected, proceed to the following steps:

[0117] S21: Determine whether to enter the fresh-keeping mode, if so, enter S22;

[0118] S22: Enter the fresh-keeping mode and start timing t2;

[0119] S23: The refrigeration assembly 2 and the air cooler 5 are both working, the air inlet valve 41 and the air outlet valve 42 are both opened, and the air outside the cooking device is cooled by the refrigeration assembly 2 and then transported to the cooking liner 6;

[0120] S24: Determine whether T1 < T03, if so, go to S25, if not, return to S23;

[0121] S25: Determine whether t2 = t02. If so, it means that the preservation is completed. At this time, the system enters the standby mode to prompt the user that the preservation is completed. If not, return to S24;

[0122] Among them, T03 is the preset preservation temperature; t02 is the preset preservation time; T02>T03.

[0123] Optionally, in S23, the second refrigeration block 213 of the refrigeration component 2 connected to the air outlet channel 12 stops working, and the first refrigeration block 212 of the refrigeration component 2 connected to the air inlet channel 11 starts working. In this way, only the gas in the air inlet channel 11 is cooled, which saves energy and reduces consumption. Of course, in other embodiments, in order to improve the heat dissipation effect, the first refrigeration block 212 and the second refrigeration block 213 can also be started at the same time.

[0124] Please refer to Fig.12 Optionally, in S21, if the fresh-keeping mode is not selected, proceed to the following steps:

[0125] S211: Determine whether to enter the fresh-keeping cooking mode, if yes, enter S212, if no, return to S1;

[0126] S212: Entering the fresh-keeping cooking mode, starting the timer t3;

[0127] S213: The refrigeration assembly 2 and the air cooler 5 are both working, and the air inlet valve 41 and the air exhaust valve 42 are both opened;

[0128] S214: Determine whether T1 < T03, if so, proceed to S215, if not, return to S213;

[0129] S215: Determine whether t3 = t02. If so, the refrigeration component 2 stops working and enters S216. The air cooler 5 continues to operate to discharge the cold air in the cooking liner 6 through the exhaust passage. If not, return to S214.

[0130] S216: Determine whether T1 < T04. If so, it means that the cold air in the cooking pot 6 is basically exhausted, and then enter S217. If not, repeat S216.

[0131] S217: t3 is reset and the timing is restarted;

[0132] S218: The steam assembly and the refrigeration assembly 2 are both working, the exhaust valve 42 is opened, and the high-temperature steam enters the cooking liner 6 for cooking, while the air pressure in the cooking liner 6 is basically balanced with the atmospheric pressure outside the cooking device, and the high-temperature gas discharged from the outside of the cooking device is also cooled;

[0133] S219: Determine whether T1>T01, if so, proceed to S220, if not, return to S218;

[0134] S220: Determine whether t3 = t01, if so, proceed to S221, if not, return to S219;

[0135] S221: The steam component stops working and the cooling fan 5 starts working;

[0136] S222: Determine whether T1 < T02. If so, it means that the high-temperature steam in the cooking pot 6 has been basically discharged, and the machine enters the standby mode to prompt the user that the cooking is complete. If not, return to S221.

[0137] Among them, T04 is the preset temperature of the cooking pot 6 after the cold air is discharged, and T04>T03.

[0138] Optionally, T02=T04.

[0139] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A cooling air device, characterized in that: include: An air duct (1), comprising an air inlet channel (11) and an air outlet channel (12); A refrigeration component (2) is installed on the air duct (1) and is located in the air inlet channel (11) and the air outlet channel (12); A cooling fan (5) connected to the air inlet passage (11); An air intake valve (41), connected to the air intake passage (11), and used for controlling the opening and closing of the air intake passage (11); The exhaust valve (42) is communicated with the air outlet channel (12) and is used to control the opening and closing of the air outlet channel (12).

2. The cooling air device according to claim 1, characterized in that: The refrigeration assembly (2) comprises a refrigeration structure (21), wherein the refrigeration structure (21) comprises a refrigeration body (211), a first heat dissipation fin group (214) arranged on one side of the refrigeration body (211), and a first refrigeration block (212) and a second refrigeration block (213) arranged on the other side of the refrigeration body (211), wherein the first heat dissipation fin group (214) is connected to the outside of the air duct (1), the first refrigeration block (212) is connected to the air inlet channel (11) for cooling the gas in the air inlet channel (11), and the second refrigeration block (213) is connected to the air outlet channel (12) for cooling the gas in the air outlet channel (12).

3. The cooling air device according to claim 2, characterized in that: The refrigeration assembly (2) further comprises a heat dissipation structure (23), the heat dissipation structure (23) comprising a heat dissipation body (231) and a second heat dissipation fin group (232) and a third heat dissipation fin group (233) arranged on the same side of the heat dissipation body (231); the first refrigeration block (212) is located on a side of the heat dissipation body (231) opposite to the second heat dissipation fin group (232) and is arranged corresponding to the second heat dissipation fin group (232); the second refrigeration block (213) is located on a side of the heat dissipation body (231) opposite to the third heat dissipation fin group (233) and is arranged corresponding to the third heat dissipation fin group (233); a first opening communicating with the air inlet channel (11) and a second opening communicating with the air outlet channel (12) are provided on the air duct (1); the second heat dissipation fin group (232) extends into the air inlet channel (11) via the first opening; and the third heat dissipation fin group (233) extends into the air outlet channel (12) via the second opening.

4. The cooling air device according to claim 3, characterized in that: The second heat dissipation fin group (232) and the third heat dissipation fin group (233) both comprise a plurality of first heat dissipation fins (234) arranged in sequence along the air flow direction, two adjacent first heat dissipation fins (234) are spaced apart to form an air flow channel (2301), and the first heat dissipation fin (234) is provided with air holes (230) for connecting two adjacent air flow channels (2301), and two adjacent air holes (230) are arranged in a staggered manner.

5. The cooling air device according to claim 3, characterized in that: The refrigeration assembly (2) further comprises a first sealing member (24), the first sealing member (24) being provided with a first avoidance hole (241) corresponding to the first refrigeration block (212) and a second avoidance hole (242) corresponding to the second refrigeration block (213); the first sealing member (24) being sandwiched between the refrigeration body (211) and the heat dissipation body (311); the first refrigeration block (212) being in contact with the heat dissipation body (311) after passing through the first avoidance hole (241); and the second refrigeration block (213) being in contact with the heat dissipation body (311) after passing through the second avoidance hole (242).

6. The cooling air device according to claim 3, characterized in that: The refrigeration assembly (2) further comprises a second sealing member (25), wherein the second sealing member (25) is arranged between the heat dissipation body (311) and the air duct (1) and is used for sealing a gap between the heat dissipation body (311) and the air duct (1).

7. The cooling air device according to claim 3, characterized in that: The refrigeration assembly (2) also includes a cover shell (22) and a heat dissipation fan (3); a receiving chamber (210) is provided in the cover shell (22); the first heat dissipation fin group (214) is located in the receiving chamber (210); the cover shell (22) is installed on the air duct (1); the heat dissipation fan (3) is arranged at the first end of the cover shell (22); the air outlet of the heat dissipation fan (3) is connected to the receiving chamber (210); an exhaust part (221) is provided at the second end of the cover shell (22); the first end of the cover shell (22) is arranged opposite to the second end of the cover shell (22); the first heat dissipation fin group (214) includes a plurality of second heat dissipation fins arranged at intervals; and the plurality of second heat dissipation fins are all extended from the first end of the cover shell (22) to the second end of the cover shell (22).

8. The cooling air device according to claim 3, characterized in that: The first end of the air duct (1) is provided with a first air inlet (1110) and a first air outlet (1210) connected to the air inlet channel (11); the second end of the air duct (1) is provided with a second air inlet (1120) and a second air outlet (1220) connected to the air outlet channel (12); the air inlet channel (11) is provided with a first air inlet portion (111), a second air inlet portion (113) and a third air inlet portion (112) in sequence from the first end of the air duct (1) to the second end of the air duct (1); the second air inlet portion (113) is arranged to be inclined downward from an end close to the first air inlet portion (111) to an end close to the third air inlet portion (112); The air outlet channel (12) is provided with a first air outlet portion (121), a second air outlet portion (123) and a third air outlet portion (122) in sequence from the first end of the air duct (1) to the second end of the air duct (1); the second air outlet portion (123) is arranged to be inclined downward from an end close to the first air outlet portion (121) to an end close to the third air outlet portion (122); the refrigeration component (2) is arranged on the third air inlet portion (112) and the third air outlet portion (122); the second air inlet (1120) is arranged at the bottom of the third air inlet portion (112); and the second air outlet (1220) is arranged at the bottom of the third air outlet portion (122).

9. The cooling air device according to claim 8, characterized in that: A stop flange (1121) protruding upward is provided on the peripheral side of the second air inlet (1120), and a condensation water through hole is provided between the third air inlet portion (112) and the third air outlet portion (122).

10. The cooling air device according to claim 8, characterized in that: It also comprises an air intake pipe (43), the air intake pipe (43) being connected to the second air inlet (1120), the air intake valve (41) and the air cooler (5) being mounted on the air intake pipe (43), the air intake valve (41) being used to control the on / off of the air intake pipe (43); and / or It also includes an air outlet pipe (44), the air outlet pipe (44) is connected to the second air outlet (1220), the exhaust valve (42) is installed on the air outlet pipe (44), and the exhaust valve (42) is used to control the opening and closing of the air outlet pipe (44).

11. The cooling air device according to any one of claims 1 to 10, characterized in that: The air duct (1) further comprises a filter (13), an air duct bottom shell (102) and an air duct upper shell (101); the air duct bottom shell (102) and the air duct upper shell (101) are combined to form the air inlet channel (11) and the air outlet channel (12); the filter (13) is provided in both the air inlet channel (11) and the air outlet channel (12).

12. A cooking device, characterized in that: It comprises a cooking inner pot (6), a steam component and the cold air device according to any one of claims 1 to 11, wherein the steam component, the air inlet channel (11) and the air outlet channel (12) are all connected to the cooking inner pot (6), and the steam component is used to transport high-temperature steam into the cooking inner pot (6).

13. The cooking device according to claim 12, characterized in that The steam assembly comprises: A water tank (71) installed on the upper side of the cooking liner (6) and located on the lower side of the air duct (1); a water pipe (74), a first end of which is in communication with the water tank (71); A steam generator (73) is installed on the rear side of the cooking inner pot (6), the second end of the water pipe (74) is in communication with the steam generator (73), and the steam outlet of the steam generator (73) is in communication with the cooking inner pot (6) for conveying high-temperature steam into the cooking inner pot (6); A water pump (72) is installed on the upper side of the cooking pot (6) and located on the lower side of the air duct (1). The water pump (72) is installed on the water pipe (74) and is used to pump water in the water tank (71) into the steam generator (73).

14. A method for operating a cooking device according to claim 12 or 13, characterized in that: The following steps are involved: S1: cooking equipment standby; S2: Determine whether the cooking mode is selected, if so, enter S3; S3: Enter cooking mode and start timing t1; S4: the steam component and the refrigeration component (2) are both working, and the exhaust valve (42) is opened; S5: Determine whether T1>T01, if so, go to S6, if not, return to S4; S6: Determine whether t1 = t01, if so, go to S7, if not, return to S5; S7: the steam component stops working and the cooling fan (5) starts working; S8: Determine whether T1 < T02, if so, enter the standby mode and prompt the user that cooking is complete; Wherein, T1 is the real-time temperature inside the cooking pot (6); T01 is the preset cooking temperature; t01 is the preset cooking time; T02 is the preset temperature of the cooking pot (6) after the high-temperature steam is discharged, and T01>T02.

15. The method for operating a cooking device according to claim 14, characterized in that: In S4, the second refrigeration block (213) of the refrigeration component (2) connected to the air outlet channel (12) starts working, and the first refrigeration block (212) of the refrigeration component (2) connected to the air inlet channel (11) stops working.

16. The method for operating a cooking device according to claim 14, characterized in that: In S2, if the cooking mode is not selected, proceed to the following steps: S21: Determine whether to enter the fresh-keeping mode, if so, enter S22; S22: Enter the fresh-keeping mode and start timing t2; S23: the refrigeration assembly (2) and the air cooler (5) are both in operation, and the air inlet valve (41) and the air outlet valve (42) are both opened; S24: Determine whether T1 < T03, if so, go to S25, if not, return to S23; S25: Determine whether t2 = t02. If so, enter the standby mode and prompt the user that the preservation is completed. If not, return to S24. Among them, T03 is the preset preservation temperature; t02 is the preset preservation time; T02>T03.

17. The operating method of the cooking device according to claim 16, characterized in that: In S23, the second refrigeration block (213) of the refrigeration component (2) connected to the air outlet channel (12) stops working, and the first refrigeration block (212) of the refrigeration component (2) connected to the air inlet channel (11) starts working.

18. The method for operating a cooking device according to claim 16, characterized in that: In S21, if the fresh-keeping mode is not selected, the following steps are performed: S211: Determine whether to enter the fresh-keeping cooking mode, if yes, enter S212, if no, return to S1; S212: Entering the fresh-keeping cooking mode, starting the timer t3; S213: the refrigeration component (2) and the air cooler (5) are both in operation, and the air inlet valve (41) and the air outlet valve (42) are both opened; S214: Determine whether T1 < T03, if so, proceed to S215, if not, return to S213; S215: Determine whether t3 = t02. If so, the refrigeration component (2) stops working and enters S216. If not, return to S214. S216: Determine whether T1 < T04, if so, proceed to S217, if not, repeat S216; S217: t3 is cleared and the timing is restarted; S218: The steam component and the refrigeration component (2) are both operating, and the exhaust valve (42) is opened; S219: Determine whether T1>T01, if so, proceed to S220, if not, return to S218; S220: Determine whether t3 = t01, if so, proceed to S221, if not, return to S219; S221: the steam component stops working and the cooling fan (5) starts working; S222: Determine whether T1 < T02, if so, enter the standby mode and prompt the user that the cooking is complete, if not, return to S221; Wherein, T04 is the preset temperature of the cooking pot (6) after the cold air is discharged, and T04>T03.

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