TWI577318B - Cooking device and cooking method - Google Patents

Description

Cooking device and cooking method

The invention relates to a household appliance, in particular to a domestic cooking device and a cooking method.

Cooking food is an essential activity in people's lives. With the development of technology, the types and styles of cooking methods and cooking devices are becoming more and more abundant. However, the cooking device introduced on the market is generally a single pot. The single pot is integrated with the functions of a wok, a steamer, a barbecue, etc., and the utility quality of each function is not high, but not refined because of the multiple functions of one pot.

Therefore, some multi-purpose pots have gradually appeared in the prior art, which can cook a variety of foods at the same time. For example, some cooking devices invented by He Tinghua, such as CN99240621.8, disclose a dual-body smart rice cooker. Some cooking devices invented by Shi Junda, such as CN201010564027.5, reveal a three-position slow cooker, CN201010223628.X reveals a combined three-dimensional slow cooker, CN201310313040.7 discloses a slow cooker with a computer control board, CN200810061573.X discloses a combined slow cooker, CN201110087910.4 discloses a slow cooker with embedded heating structure, CN201110066811.8 discloses a set combined multi-position heat preservation pot, CN200910153461.1 reveals a multi-pot slow cooker Pot, CN201310168675.2 discloses a detachable slow cooker, CN201110030368.9 discloses a three-pot structure of the heat preservation pot, CN201310168728.0 discloses a three-in-one multi-purpose pot; these cooking devices can cook three different foods at a time. For example, some cooking devices invented by Qi Pingtao, Wu Jinshui and Yang Guoqing, such as CN201320276658.6, disclose an electric cooker, CN201320179101.0 discloses an electric cooker, CN201220553296.6 discloses an electric cooker; these cooking devices can be used once Stew two or more different foods.

However, the multi-purpose pot of the prior art described above, which is similar in structure to the previous cooktop, is still complicated and not compact enough.

In addition, for the mist in the electric cooker, in CN200510037553.5, Li Wenqing discloses a vacuum heat preservation device, which can delay the yellowing and acidification of the rice in the heat preservation by vacuuming the inner pot. However, such a design does not contribute to the soot pollution generated by the cooking process. In CN200910204171.5, Qian Haipeng et al. disclose a cooking device comprising an outer casing, an upper cover that is joined to the upper end of the outer casing, a thermal insulation inner cylinder fixed in the outer casing, a cooking pot disposed in the thermal insulation inner cylinder, and used for control. The control device for operating the cooking device further comprises: a lower heating device located at a lower portion of the cooking pot and fixed on the inner bottom surface of the heat insulating inner cylinder: the air inlet nozzle of the exhaust device communicates with the cavity formed by the outer casing and the upper cover, and the row The gas outlet of the gas device is in communication with the atmosphere for exhausting the exhaust gas in the cavity: the temperature control device is disposed on the bottom surface of the heat preservation inner cylinder for detecting the temperature of the cooking pot and transmitting the temperature information to the control device to control the heating device Switch: The lower heating device, the exhaust device and the temperature control device are respectively electrically connected to the control device. The food placed in the cooking pot is heated by the lower heating device, and the soot and water vapor in the cooking device cavity are discharged by the exhaust device to improve the quality of the food produced. Further, in CN200910204171.5, the cooking device further includes an air blowing device, wherein an exhaust port of the air blowing device communicates with a cavity formed by the outer casing and the upper cover, and an air inlet of the air blowing device communicates with the atmosphere, For injecting air into the cavity. However, in CN200910204171.5, the air inlet nozzles communicating with the outside are disposed at the bottom of the cooking device, and the outside air will be heated to the inner tank after entering the cooking device, so that the outside air is not easily replaced in the inner tank. The water vapor or soot is still prone to more water vapor or fumes spilling out when opening the cover, causing air pollution.

Therefore, in view of the deficiencies in the prior art, the present invention proposes a cooking device and a cooking method which are relatively compact in structure and can improve soot pollution.

Specifically, a cooking device according to an embodiment of the present invention includes a housing, a base, a liner, a cover, and a heating module. The housing is disposed on the base, and the housing has a receiving cavity, and the inner casing is located The cover body is disposed on the housing and cooperates with the opening of the receiving cavity, the cooking device further includes a control module and an exhaust module, the control module includes a processor and the processor a connected input panel, the heating module has a bottom heating unit located in the receiving cavity, the bottom heating unit is connected to the processor, the inner tank is disposed in the receiving cavity and above the bottom heating unit, the row The gas module includes an inflating element, a pumping element, an intake passage and an exhaust passage, the exhausting element is located on the exhaust passage, and the air sucking element is configured to extract the mist located in the inner tank before opening the cover body Or soot and continue to operate after the cover is opened.

The cover body is provided with a transparent window, and the cooking device further comprises a pressure sensor, and the pressure sensor is disposed on the cover body.

The cooking device further includes an image capturing unit connected to the processor, and the collecting head of the image capturing unit is disposed on the cover body, and the image capturing unit turns on the shooting function after the pumping component is exhausted.

The heating module includes a plurality of bottom heating units located in the receiving chamber and independent of each other, each heating unit being respectively connected to the processor, and the inner tank also has a plurality of corresponding to the predetermined bottom heating unit.

The accommodating chamber is divided into a plurality of sub-accommodating chambers by a plurality of partition walls according to the arrangement of the bottom heating unit, and each sub-receiving chamber contains at least one bottom heating unit.

The intake passage is located on the cover and the intake passage has a nozzle that protrudes from the cover.

The inflatable element has a high pressure gas storage chamber for rapid jetting into the inner bladder.

The suction element has a vacuum chamber for rapid pumping.

A cooking method comprising the steps of: putting food to be cooked into a liner of a cooking device as described above; closing a lid to open the cooking device; and inputting external air through the control module setting during cooking Contacting the inner tank with the food being cooked; before the lid body is opened, the mist module or the soot in the inner tank is discharged by the exhaust module and controlled by the control module, and is replaced with external air; After the cover body, the air suction element of the exhaust module is set to continue to continue to operate to extract mist or soot that continues to evaporate from the food.

Before the cover body is opened, the inflating element and the air extracting element are controlled by the control module, and after the mist or the oil smoke in the inner tank is replaced by the external air, the inflating element is further operated to be the inner portion. The air pressure in the bladder is greater than the air pressure in the external environment.

The cooking device includes an exhaust module, and the exhaust module can discharge mist or other fumes generated during cooking, thereby preventing the influence of the soot on human health and pollution to the kitchen.

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims.

Referring to FIGS. 1 to 4 , the cooking device 10 of the embodiment of the present invention includes a housing 11 , a base 12 , a liner 13 , a cover 14 , a heating module 15 , a control module 16 , and an exhaust module 18 . The housing 11 is disposed on the base 12. The housing 11 has a receiving cavity 112 therein. The bladder 13 is located within the receiving chamber 112. The control module 16 includes a processor 162 and an input panel 164 coupled to the processor 162. The heating module 15 is located within the receiving cavity 112 and includes a plurality of mutually independent bottom heating units 152, 154 and 156. The bottom heating units 152, 154, and 156 are connected to the processor 162, respectively. The plurality of liners 13 are provided in the accommodating chamber 112 and correspond to predetermined bottom heating units 152, 154 and 156. The cover 14 is disposed on the housing 11 and mates with the opening of the receiving cavity 112. The cover 14 has an inner surface 142, an outer surface 144 opposite the inner surface 142, and a transparent window 146. The exhaust module 18 can be coupled to the processor 162. The exhaust module 18 includes an inflatable element 181, an intake passage 182, a pumping element 184, and an exhaust passage 186. The intake passage 182 is located on the cover 14. The inflatable element 181 is located on the intake passage 182, and the inflatable element 181 has a high pressure gas storage chamber 1812 for rapid jetting into the inner bladder 13. The pumping element 184 is located on the exhaust passage 186, and the pumping element 184 has a vacuum chamber 1842 for rapid pumping. The transparent window 146 can be used to view fog or soot conditions within the bladder 13. The pumping member 184 is for extracting mist or soot located in the bladder 13 before opening the cover 14, and can continue to operate after the lid 14 is opened.

Specifically, in the present embodiment, the accommodating cavity 112 of the housing 11 is divided into sub-accommodating cavities corresponding to the number of the bottom heating units 152, 154 and 156, that is, there are three sub-accommodating cavities in the housing 11, each The sub-receiving chamber includes a bottom heating unit. The number of sub-accommodating cavities can be set according to actual design requirements, which can correspond to different specifications of the inner tank 13 to meet more demands. It can be understood that each sub-receiving chamber can also correspond to a plurality of bottom heating units, so that heating corresponding to the inner tank 13 can design more heating control schemes.

The accommodating cavity 112 may be separated by a detachable partition wall 114 to form a sub-accommodating cavity. The partition wall 114 can be fixed by the inner wall of the casing 11 and the base 12; in detail, a corresponding side fixing groove (not shown) can be disposed on the inner wall of the casing 11, and is disposed on the upper surface of the base 12. The bottom edge fixing groove (not shown) is used to fix the partition wall 114 together. Referring to FIG. 5 and FIG. 6 , in the process of use, different sizes of liners can be placed by installing or removing the partition wall 114 to meet more use requirements. For example, in FIG. 5, by removing a partition wall 114, the sub-accommodating chamber is doubled, and the inner tank 132 can be placed to facilitate cooking a larger amount of food; in FIG. 6, by removing all of the The partition wall 114 allows the sub-receiving chamber to become the largest accommodating chamber 112, at which time the bladder 134 can be placed. As can be seen from Figures 1, 5 and 6, the cooking device 10 facilitates the cooking device 10 to achieve different cooking functions by installing a removable partition wall 114, such as in Figure 1, with three sub-accommodations. In the cavity, the cooking device 10 can cook three kinds of foods at the same time, and the cooking dishes are the most varied, satisfying different nutrition and taste requirements of the user; in FIG. 5, there are one large and one small two-storage chamber, and the cooking device 10 can cook two at the same time. Kinds of food, such as a larger sub-receiving chamber for the stew and a smaller sub-capacity for cooking the vegetables; in Figure 6, the cooking device 10 can be placed in the largest liner 134, for example for stew or Porridge and so on.

Referring to FIGS. 1 and 3, the cover 14 has an inner surface 142 and an outer surface 144 opposite the inner surface 142. In the present embodiment, the sealing unit 148 is provided on the inner surface 142 of the cover 14 corresponding to the opening of the sub-accommodating chamber. There are three sets of sealing units, the first set of sealing units 1482 are for corresponding to the smallest inner tank 13 or the sub-accommodating chamber opening, and the second set of sealing units 1484 are for corresponding to the medium inner tank 132 or the sub-accommodating chamber opening, The third set of sealing units 1486 are for corresponding to the largest inner liner 134 or the receiving chamber opening. The sealing unit 148 can be used to seal the bladder placed in the corresponding receiving chamber or sub-accommodating chamber. A positioning structure is preferably provided between each sealing unit 148 and the corresponding sub-receiving chamber, so that the sealing unit 148 can have a better sealing effect when sealing the corresponding inner tube 13. If the sealing unit 148 is designed according to the cooking requirements, when the cooking device 10 is designed only for the atmospheric cooking function, the sealing unit 148 is mainly used to prevent partial heat dissipation during cooking and to prevent the interaction of the cooking between the liners 13, At this time, the structural requirement of the sealing unit 148 may be that the outer circumferential dimension of the sealing unit 148 is larger than the opening size of the inner casing 13, that is, the sealing unit 148 may cover the opening of the inner casing 13, so as to minimize heat dissipation and reduce each of the components without increasing the complexity of the structure. The interaction between the liners 13 during the cooking process.

Referring to FIGS. 1 and 4 , the processor 162 of the control module 16 may be disposed within the housing 11 or the base 12 , and the input panel 164 may be disposed on the surface 116 of the housing 11 . The input panel 164 may include a touch panel or a voice control unit, and may also be provided with a display screen, and its function is mainly as an interface for manually inputting commands. In use, the user can input the required control commands through the input panel 164, and the processor 162 controls the bottom heating units 152, 154, and 156 according to the control commands, so as to be placed on the bottom heating units 152, 154, and 156, respectively. The inner tank 13 can perform the same or different heating processes, thereby allowing the user to simultaneously cook a plurality of dishes in a cooking device 10, thereby increasing the speed of cooking and the convenience of use.

In the present embodiment, corresponding to the opening of the sub-accommodating chamber, a transparent window 146 is provided on the cover body 14, that is, when the different inner tubes 13 are placed in the accommodating chamber 112, each of the inner tubes 13 can correspond to At least one transparent window 146 allows the user to see some of the cooking in the liner 13. The intake passage 182 has an intake nozzle 1822, and the intake nozzle 1822 is disposed on the inner surface 142, and the number of the intake nozzles 1822 corresponds to the number of the bottom heating units of the bottom heating unit, that is, at least the upper portion of the inner tank 13 is matched with at least An intake nozzle 1822. The intake nozzle 1822 can be a rotatable nozzle, i.e., it can utilize the impact of the airflow in the inflator element to cause the inlet nozzle 1822 to automatically change direction so that gas can be sprayed to different locations in the bladder. The inflatable member 181 is located on the intake passage 182 and has a high pressure gas storage chamber 1812 for rapid jetting into the inner bladder 13. The high-pressure gas storage chamber 1812 can be used to quickly release the high-pressure gas storage chamber 1812 gas when the dishes in the inner tank 13 need to be quenched or sautéed, so that the outside air can be brought into contact with the dishes in the inner liner 13 more quickly. The pumping element 184 can be disposed within the housing 11 or the cover 14, which is within the housing 11 in this embodiment. The exhaust passage 186 may be disposed within the housing 11 or the cover 14, which is within the housing 11 in this embodiment. In the present embodiment, the exhaust passage 186 has an exhaust port 1862, and the exhaust port 1862 is located on the side wall of the cover 14. The vacuum chamber 1842 of the pumping element 184 can discharge steam or other soot faster when needed. Due to the existence of the vacuum chamber 1842, the pumping element 184 does not need to wait for the fan to operate, because the pressure difference exists, first let the inside The steam or other soot part of the bladder 13 is quickly discharged, and the fan that is started at this time can also start to function as an exhausting machine, thereby reducing the waiting time for the user to open the cover process and improving the convenience of use. In general, during cooking, by the operation of the pumping element 184, external air enters the inner tank 13, and mist, steam or other fumes in the inner tank 13 enter the exhaust passage 186 and are discharged from the exhaust port 1862. . Since the cooking device 10 is added to the exhaust module 18, when cooking the food, the cooking device 10 can immediately discharge the steam generated by the heating of the food according to the needs of cooking the food, preventing the food from being overcooked or smashed; When the steam is discharged, external air is also introduced. In some cooking dishes that require oxidation or fresh air, the outside air can also make the cooked dishes more nutritious, healthier or more beautiful; more specifically, when needed to open When the cover body 14 is used, it can be observed in advance through the transparent window 146, and then it is judged whether it is necessary to discharge the mist or other oil smoke generated by heating the food first, so that when the cover body 14 is opened, there is no "face" to the user. The steam/gas thus facilitates the user's use of the cooking device 10 and protects the user's health. Further, the exhaust module 18 can directly discharge the steam generated during cooking to the sewer or the outdoors, thereby reducing the soot in the kitchen, thereby improving the cooking environment, preventing the influence of the soot on human health and pollution to the kitchen. In addition, by setting the opening design of the air suction element 184, before the cover body 14 is opened, the air extraction element 184 continues to operate after the mist or oil smoke in the inner cylinder is exhausted, so that the air pressure in the inner tank 13 is greater than or Equal to the air pressure of the external environment. The air pressure in the inner tank 13 is greater than or equal to the air pressure in the external environment to facilitate opening of the cover 14.

The cooking device 10 includes a plurality of bottom heating units 152, 154 and 156 that can be independently controlled. The sub-heating units 152, 154 and 156 can respectively place different inner tanks in the sub-accommodating chambers, and corresponding to each of the lids 14 The sub-receiving chamber can be designed with a predetermined sealing structure so that the cooking device 10 can simultaneously cook a variety of foods or dishes without affecting each other (eg, odors between different dishes). In particular, the cooking device 10 is of an integrated design that differs from prior art in that a series or single heater between a plurality of independent cooking settings simultaneously heats different bladders, and the cooking device 10 can implement the bottom heating units 152, 154 and Heating separately between the 156s also makes the structure more compact, making it easier to meet different cooking needs and reduce energy consumption in people's lives. Further, the exhaust module 18 can discharge mist or other fumes generated during cooking, thereby preventing the influence of the soot on human health and pollution to the kitchen.

Referring to Figures 7 and 8, there is shown a cooking apparatus in accordance with a second embodiment of the present invention. The cooking device of the second embodiment is similar to the cooking device 10, and includes a heating module 25, which is located in the receiving cavity and includes a plurality of mutually independent bottom heating units 252, 254 and 256; in particular, in this embodiment The heating module 25 further includes a second heating unit 257 and a third heating unit 258. The central portion of the base 22 is provided with a connecting electrode 222, and a temperature sensor 27 is further disposed on the partition wall 214. The second heating unit 257 and the third heating unit 258 are respectively connected to the processor of the control module. The second heating unit 257 is disposed on the partition wall 214 and located at a lower position in the middle of the partition wall 214. The connection electrode 222 is electrically connected to the second heating unit 257, which can be in communication with the connection electrode 222 by providing a wire inside the partition wall 214 and when the partition wall 214 is fixed. The third heating unit 258 is disposed on the inner wall of the housing 21 and corresponds to the sub-receiving chamber, and at least three third heating units 258 in this embodiment. The temperature sensor 27 is disposed on the partition wall 214 and the inner wall of the casing 21, and the temperature sensor 27 is connected to the processor of the control module for sensing the temperature information of the inner tank during cooking, and Transfer temperature information to the processor. In the present embodiment, the second heating unit 257 and the third heating unit 258 are disposed on the partition wall 214 and the inner wall of the casing 21, so that the inner tank can be heated from the side of the inner liner during cooking, thereby It is advantageous to improve the uniformity of heating; in particular, each of the partition walls 214 is provided with a second heating unit 257, so that temperature control between the respective sub-accommodating chambers becomes more accurate. The temperature sensor 27 is disposed at a position intermediate the bottom heating unit and the second heating unit 257, and at a position intermediate the bottom heating unit and the third heating unit 258; by being on the partition wall 214 and the inner wall of the casing 21 The temperature sensor 27 is disposed thereon, so that the temperature sensor 27 can also sense the temperature of the side wall of the liner during cooking, so that the temperature of the inner tank during cooking can be more comprehensively monitored, and the temperature control during cooking can be changed. It is more accurate, which prevents the food from being cooked or overcooked during cooking.

Referring to Figure 9, there is shown a cooking apparatus in accordance with a third embodiment of the present invention. The cooking apparatus of the third embodiment is similar to the cooking apparatus 10. The cooking apparatus of the third embodiment includes a heating module 35, a control module 36, a sensing module 370, an exhaust module 38, and a cooling module 39. The heating module 35 has a plurality of independent bottom heating units. The control module 36 includes a processor 362, an input panel 364, and a wireless unit 366. The processor 362 is connected to the input panel 364 and the wireless unit 366, respectively. The input panel 364 and the wireless unit 366 can be used as an information input device to input control commands for the cooking device. For example, the input panel 364 can be provided with a touch or voice control unit to input a cooking command by touch or voice control; the wireless unit 366 can be connected with a portable electronic device (such as a mobile phone, a notebook or a tablet). The information is exchanged so that the external control commands can be input to the cooking device by the portable electronic device, or the formed cooking parameters in the cooking device can be transmitted to the portable electronic device. The sensing module 370 is coupled to the controller 362 of the control module 36. The sensing module 370 can include a temperature sensor 37, an image sensor 372, and a pressure sensor 374. The temperature sensor 37 can be disposed on the base of the cooking device, the inner wall of the housing or the partition wall, and the image sensor 372 and the pressure sensor can be disposed on the cover of the cooking device. The exhaust module 38 and the cooling module 39 are also associated with the controller 362 of the control module 36, respectively. The intake nozzle of the exhaust module 38 may be disposed on the cover. The cooling module 39 can be disposed on the base of the cooking device, the inner wall of the housing, the partition wall or the cover body, preferably on the cover body. Since the image sensor 372 and the exhaust module 38 are provided, an image or image of the cooking process can be recorded during cooking, thereby making the recording of the cooking process more intuitive, and since the exhaust module 38 can be used for cooking The gas generated by the food is discharged, so that the image sensor 372 can more clearly capture the picture or image. For example, before the image sensor 372 is turned on, the exhaust module 38 can be used first. The steam in the inner tank is discharged, and even the gas pressure in the inner tank can be discharged to a temperature slightly lower than atmospheric pressure, thereby ensuring that the image sensor 372 captures a clear picture or image and can also avoid the figure as much as possible. The sensor 372 is contaminated by steam generated by food. By setting the wireless unit 366 as an input and output device, the cooking device can also be configured to record the cooking parameters of the cooking process by the sensing module 370, and transmit it through the processor 362 and the wireless unit 366; The control commands received by the wireless unit 366 to the portable electronic device enable the cooking device to implement a more intelligent automatic cooking function. By providing the cooling module 39, the cooking device can be used to cook more flavored foods. For example, in some dishes requiring quenching, the cooling module can be used to cool the inner tank, thereby cooking more deliciously. The food comes.

So far, the principles and implementations of the cooking device and the cooking method of the present invention have been described herein using specific examples. The description of the above embodiments is only for helping to understand the method of the present invention and its core ideas; The present invention is not limited by the scope of the present invention, and the scope of the present invention should not be construed as limiting the scope of the present invention. The scope of the attached patent application is subject to change.

10‧‧‧ cooking device

11, 21‧‧‧ shell

112‧‧‧ accommodating chamber

114, 214‧‧‧ partition wall

116‧‧‧ surface

12, 22‧‧‧ base

222‧‧‧Connecting electrode

13, 132, 134‧‧‧ liner

14‧‧‧ Cover

142‧‧‧ inner surface

144‧‧‧ outer surface

146‧‧‧Transparent window

148‧‧‧Seal unit

1482‧‧‧First set of sealing units

1484‧‧‧Second group of sealing units

1486‧‧‧The third group of sealing units

15, 25, 35‧‧‧ heating modules

152, 154, 156, 252, 254, 256‧‧‧ bottom heating unit

257‧‧‧Second heating unit

258‧‧‧third heating unit

16, 36‧‧‧ control module

162, 262‧‧‧ processor

164, 264‧‧‧ input panel

366‧‧‧Wireless unit

18, 38‧‧‧ exhaust module

181‧‧‧Inflatable components

1812‧‧‧High pressure gas storage chamber

182‧‧‧Intake passage

1822‧‧‧Inlet nozzle

184‧‧‧Exhaust components

1842‧‧‧vacuum chamber

186‧‧‧Exhaust passage

1862‧‧‧Exhaust port

27, 37‧‧‧ Temperature Sensor

370‧‧‧Sense Module

372‧‧‧Image sensor

374‧‧‧pressure sensor

39‧‧‧Cooling module

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a cooking apparatus according to a first embodiment of the present invention. Figure 2 is a plan view of the cooking device of Figure 1 after removing the cover and the liner; Figure 3 is a bottom view of the cover of the cooking device shown in Figure 1; Figure 4 is a view of the cooking device of Figure 1 FIG. 5 is a schematic view showing a state of use of the cooking device shown in FIG. 1. FIG. 6 is a schematic view showing another use state of the cooking device shown in FIG. 1. FIG. 7 is a second embodiment of the present invention. Figure 8 is a schematic view of the cooking device shown in Figure 7 taken along the line VIII-VIII'; Figure 9 is a schematic view of the cooking device of the third embodiment of the present invention Connection block diagram of the control module.

10‧‧‧ cooking device

11‧‧‧Shell

112‧‧‧ accommodating chamber

114‧‧‧ partition wall

116‧‧‧ surface

13‧‧‧ liner

14‧‧‧ Cover

144‧‧‧ outer surface

146‧‧‧Transparent window

164‧‧‧Input panel

18‧‧‧Exhaust module

182‧‧‧Intake passage

184‧‧‧Exhaust components

1842‧‧‧vacuum chamber

186‧‧‧Exhaust passage

1862‧‧‧Exhaust port

Claims (10)

a cooking device comprising a housing, a base, a liner, a cover and a heating module; the housing is disposed on the base, the housing has a receiving cavity; the inner casing is located in the receiving cavity; the cover is provided Working on the housing and engaging with the opening of the receiving cavity; wherein the cooking device further comprises a control module and an exhaust module; the control module comprises a processor and an input panel connected to the processor; The heating module has a bottom heating unit located in the receiving cavity, the bottom heating unit is connected to the processor; the inner tank is disposed in the receiving cavity and above the bottom heating unit; the exhaust module comprises an inflating a component, a suction element, an intake passage and an exhaust passage; the suction element is located on the exhaust passage; the suction element is configured to extract mist or soot located in the inner tank before opening the cover body and Continue to run after the cover is opened. The cooking device of claim 1, wherein the cover body is provided with a transparent window, and the cooking device further comprises a pressure sensor, the pressure sensor being disposed on the cover body. The cooking device of claim 1, wherein the cooking device further comprises an image capturing unit connected to the processor, the collecting head of the image capturing unit is disposed on the cover body, and the image capturing unit is in the pumping unit After the gas component is pumped, the shooting function is turned on. The cooking device of claim 1, wherein the heating module comprises a plurality of bottom heating units located in the receiving chamber and independent of each other, each heating unit being respectively connected to the processor, the inner tank also having The plurality corresponds to the predetermined bottom heating unit. The cooking device of claim 4, wherein the receiving chamber is divided into a plurality of sub-receiving chambers by a plurality of partition walls according to the arrangement of the bottom heating unit, and each sub-receiving chamber contains at least one bottom heating unit. The cooking device of claim 1, wherein the intake passage is located on the cover and the intake passage has a nozzle that protrudes from the cover. The cooking device of claim 1, wherein the inflatable member has a high pressure gas storage chamber for rapid jetting into the inner bladder. The cooking device of claim 1, wherein the suction member has a vacuum chamber for rapid evacuation. A cooking method comprising the steps of: placing a food to be cooked into a liner of a cooking device as described in claim 1; closing a lid to open the cooking device; and during cooking, by controlling The module is configured to input external air into the inner tank to contact the food being cooked; before the cover body is opened, the control module controls the mist or fumes in the inner tank to be discharged by the exhaust module, and Replace with external air; after opening the cover, set the exhausting element of the exhaust module to continue to run to extract the mist or soot that continues to evaporate from the food. The cooking method of claim 9, wherein the inflating element and the suction element are controlled by the control module before opening the cover body, and the mist or oil smoke in the inner casing is externally After the air is replaced, the aeration element is also allowed to operate such that the air pressure within the bladder is greater than the air pressure of the external environment.