CN110575083B - Cooking appliance, cooking method, and computer-readable storage medium - Google Patents

Abstract

The present invention provides a cooking appliance, a cooking method, and a computer-readable storage medium, wherein the cooking appliance includes: the upper cover is provided with a steam outlet hole on the upper panel; the first open end of the steam exhaust channel is communicated with the cooking cavity, the second open end of the steam exhaust channel is communicated with the steam outlet hole, and steam generated in the cooking cavity is exhausted to the atmospheric environment through the steam exhaust channel; and the light source component is arranged on the upper cover and/or the cooker body and is used for generating visible light radiation and irradiating the visible light radiation to the steam discharged from the steam outlet. Through the technical scheme of the invention, the state of discharging steam of the user can be intuitively prompted, the possibility of scalding the user by the steam is reduced, and the use experience of the user is improved.

Description

Cooking appliance, cooking method, and computer-readable storage medium

Technical Field

The invention relates to the technical field of cooking, in particular to a cooking appliance, a cooking method and a computer readable storage medium.

Background

In the process of cooking food materials by using a cooking appliance, high-pressure and high-temperature steam may be generated in a cooking cavity, and in order to avoid burning a user by the high-temperature and high-pressure steam, the high-temperature and high-pressure steam needs to be discharged to the atmospheric environment when the cooking is completed.

In the related art, a buzzer is used to generate a "beep" sound at the initial stage of the steam discharge, on one hand, the buzzer only prompts the user to start the steam discharge, and the user cannot visually know the steam discharge state at any time, on the other hand, the buzzer is usually arranged in the cooking device, if the generated sound is small, the buzzer is easily ignored by the user, and if the generated sound is large, the buzzer generates a large noise disturbance to the user.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, it is an object of the present invention to provide a cooking appliance.

Another object of the present invention is to provide a cooking method.

It is another object of the present invention to provide a computer-readable storage medium.

In order to achieve the above object, according to an aspect of the first aspect of the present invention, there is provided a cooking appliance including: the upper cover is provided with a steam outlet hole on the upper panel; the first open end of the steam exhaust channel is communicated with the cooking cavity, the second open end of the steam exhaust channel is communicated with the steam outlet hole, and steam generated in the cooking cavity is exhausted to the atmospheric environment through the steam exhaust channel; and the light source component is arranged on the upper cover and/or the cooker body and is used for generating visible light radiation and irradiating the visible light radiation to the steam discharged from the steam outlet.

In this technical scheme, through locating the light source subassembly on upper cover and/or the a kind of deep pot body, generate visible light radiation and shine to the steam that the steam outlet was discharged, for buzzer suggestion steam is discharged, through illuminating exhaust steam, can make the user know cooking utensil more directly perceivedly and be in the exhaust process, also reduced the noise interference that buzzer brought.

The wavelength range of the visible light radiation is 390 nm-760 nm, and the visible light radiation can be monochromatic light and can also be light of various colors to circularly illuminate the discharged steam in turn.

In addition, when visible light radiation is transmitted to the indoor wall, the projection matched with the shape of the light outlet hole can be generated on the wall, and the interestingness of prompting steam discharge is increased.

The upper cover and the cooker body can be completely buckled or screwed to form a closed cooking cavity.

In any of the above technical solutions, preferably, the method further includes: the light emitting holes are formed in the upper panel of the upper cover and are close to the steam outlet holes, and visible light radiation generated by the light source component irradiates the discharged steam through the light emitting holes.

In this technical scheme, set up the light-emitting hole through the top panel of upper cover and the position that is close to steam outlet, the steam exhaust passage outside is also located to the light source subassembly, consequently, when steam was discharged by the steam outlet of top panel, high temperature steam did not almost contact with the light source subassembly when rising, has improved the reliability of light source subassembly.

In any of the above technical solutions, preferably, the shape of the light exit hole includes a regular polygonal pattern and/or an irregular polygonal pattern.

In this technical scheme, including regular shape's polygon pattern and/or the irregular polygon pattern of shape through the shape that sets up the light-emitting hole, visible light radiation forms colorful projection image on indoor wall when lighting up steam, has promoted cooking utensil's science and technology sense and safe in utilization.

The regular polygonal patterns comprise geometric shapes such as circles, rectangles, diamonds, stars and triangles, and the irregular polygonal patterns comprise animal figures, fruit figures, symbol figures and the like.

In any of the above technical solutions, preferably, the designated area of the upper panel of the upper cover is a light-transmitting casing disposed around the steam outlet hole, and the visible light radiation generated by the light source assembly is irradiated to the exhausted steam through the light-transmitting casing.

In this technical scheme, the appointed area through the top panel with the upper cover sets up the printing opacity casing, and visible radiation illuminates exhaust steam through the printing opacity casing, only is provided with steam outlet on the top panel this moment, and also the light source subassembly is located the upper cover inside, and the light source subassembly is difficult for receiving external force and damages, has promoted cooking utensil's reliability.

In any of the above technical solutions, preferably, the shape of the light-transmitting housing includes a polygonal pattern with a regular shape and/or a polygonal pattern with an irregular shape.

In this technical scheme, including the regular shape polygon pattern and/or the irregular shape polygon pattern of shape through the shape that sets up the printing opacity casing, visible light radiation is when lightening steam, forms rich and varied projection image on indoor wall, has promoted cooking utensil's science and technology and has felt and safe in utilization.

The regular polygonal patterns comprise geometric shapes such as circles, rectangles, diamonds, stars and triangles, and the irregular polygonal patterns comprise animal figures, fruit figures, symbol figures and the like.

In any of the above solutions, preferably, the axis of the steam exhaust channel is parallel to the vertical line, and the light source assembly includes a lamp set disposed around the tube wall of the steam exhaust channel.

In this technical scheme, the axis through steam exhaust passageway is parallel with the plumb line, can shorten steam as far as possible during the transmission in the upper cover, reduces the thermal stress influence that high temperature steam produced to the upper cover to through the banks that sets up the light source subassembly and set up including the pipe wall that encircles steam exhaust passageway, the banks does not contact with high temperature steam, can reduce the fault rate of light source subassembly equally.

In any of the above solutions, preferably, the lamp set includes a plurality of discrete indicator lamps distributed along a designated circumference, and the designated circumference is concentrically distributed with the steam exhaust channel.

In the technical scheme, the lamp group comprises a plurality of discrete indicator lamps distributed along the designated circumference, the indicator lamps can respectively emit visible light radiation with different colors or visible light radiation with the same color, and the visible light radiation is also arranged around the discharged steam, so that even if the steam is blown in the rising process, the visible light radiation can illuminate part of high-temperature steam.

In any of the above technical solutions, preferably, the lamp set includes at least one annular lamp tube, and the annular lamp tube is sleeved outside the steam exhaust channel.

In the technical scheme, the lamp set comprises at least one annular lamp tube, the high-temperature steam is illuminated, and meanwhile, the diaphragm is formed on the indoor wall.

In any of the above technical solutions, preferably, the method further includes: the temperature sensor is arranged on the upper cover or on the inner wall of the cooking cavity, is electrically connected to the light source assembly and is used for detecting the cooking temperature in the cooking cavity and triggering the light source assembly to generate visible radiation when the cooking temperature is detected to be greater than or equal to the preset cooking temperature.

In this technical scheme, through setting up temperature sensor at upper cover or culinary art intracavity wall, can reduce cooking utensil's consumption loss, because high temperature steam produces in culinary art temperature generally and is greater than or equal to when predetermineeing the culinary art temperature, consequently, trigger the light source subassembly this moment and generate visible radiation, be favorable to promoting the life of light source subassembly.

In any of the above technical solutions, preferably, the cooking appliance is a rice cooker, a pressure cooker, a soybean milk machine or a wall breaking machine.

According to an aspect of the second aspect of the present invention, there is provided a cooking method including: detecting the cooking temperature according to a preset time interval; determining to start discharging steam when the cooking temperature is detected to be greater than or equal to a preset cooking temperature; during steam evacuation, a light source assembly of the cooking appliance is triggered to generate visible radiation that can illuminate the evacuated steam.

In this technical scheme, through at steam discharge in-process, trigger cooking utensil's light source subassembly generation visible radiation, the visible radiation can illuminate exhaust steam, can reduce cooking utensil's consumption loss, because high temperature steam produces in cooking temperature when being greater than or equal to preset cooking temperature usually, consequently, triggers light source subassembly generation visible radiation this moment, is favorable to promoting the life of light source subassembly.

In any of the above technical solutions, preferably, the method further includes: determining a corresponding relation between a preset cooking temperature and the color of visible light radiation; and triggering the light source assembly to generate visible radiation with corresponding colors according to the cooking temperature, the preset cooking temperature and the corresponding relation.

In this technical scheme, through triggering the visible light radiation that the light source subassembly generated corresponding colour according to culinary art temperature, preset culinary art temperature and corresponding relation, can carry out the light suggestion of different colours to the steam of different temperatures, more do benefit to the user and know the discharge state of high temperature steam.

In any of the above technical solutions, preferably, the method further includes: and when the cooking temperature is detected to be reduced to be less than or equal to the cooking temperature, controlling the light source assembly to continue generating the visible radiation within a preset time period.

In this technical scheme, through when detecting that the culinary art temperature reduces to being less than or equal to the culinary art temperature, control light source subassembly and continue to generate visible radiation in a section of predetermined duration, can continue to keep a section of predetermined duration's light prompt effect after the steam exhaust is accomplished to and the suggestion user enjoys the edible material of accomplishing the culinary art in time.

According to an aspect of the third aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program, the computer program being executed to implement the steps of the cooking method as defined in any one of the above aspects.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic view of a cooking appliance according to an embodiment of the invention;

fig. 2 shows a schematic view of a cooking appliance according to another embodiment of the invention;

fig. 3 shows a schematic view of a cooking appliance according to another embodiment of the invention;

fig. 4 illustrates a top view of a light source assembly of a cooking appliance according to an embodiment of the present invention;

fig. 5 illustrates a top view of a light source assembly of a cooking appliance according to another embodiment of the present invention;

FIG. 6 shows a schematic flow diagram of a cooking method according to an embodiment of the invention;

fig. 7 shows a schematic flow diagram of a cooking method according to another embodiment of the invention.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Fig. 1 shows a schematic view of a cooking appliance according to an embodiment of the present invention.

Fig. 2 shows a schematic view of a cooking appliance according to another embodiment of the present invention.

Fig. 3 shows a schematic view of a cooking appliance according to another embodiment of the present invention.

Fig. 4 illustrates a top view of a light source assembly of a cooking appliance according to one embodiment of the present invention.

Fig. 5 illustrates a top view of a light source assembly of a cooking appliance according to another embodiment of the present invention.

As shown in fig. 1 to 5, acooking appliance 100 according to an embodiment of the present invention includes: anupper cover 102, an upper panel of theupper cover 102 is provided with a steam outlet; a first open end of thesteam exhaust channel 104 is communicated with the cooking cavity, a second open end of thesteam exhaust channel 104 is communicated with the steam outlet, and steam generated in the cooking cavity is exhausted to the atmosphere environment through thesteam exhaust channel 104; and a light source assembly, which is disposed on theupper cover 102 and/or thepot body 108, for generating visible light radiation and irradiating the steam discharged from the steam outlet.

In this technical solution, the light source assembly is disposed on theupper cover 102 and/or thecooker body 108, generates visible light radiation and irradiates the steam discharged from the steam outlet, and for prompting the steam discharge by the buzzer, the user can know more intuitively that thecooking appliance 100 is in the exhaust process by illuminating the discharged steam, and noise interference caused by the buzzer is also reduced.

The wavelength range of the visible light radiation is 390 nm-760 nm, and the visible light radiation can be monochromatic light and can also be light of various colors to circularly illuminate the discharged steam in turn.

In addition, when visible light radiation is transmitted to the indoor wall, a projection matched with the shape of thelight outlet hole 110 can be generated on the wall, and the interestingness of prompting steam discharge is increased.

The first embodiment is as follows:

as shown in fig. 1, theindicator lamps 106 are disposed on the upper panel of the upper cover, the upward projection area of eachindicator lamp 106 is L, and the steam having a height greater than a preset distance H from the steam exhaust channel can be projected by visible light radiation.

Theupper cover 102 and thecooker body 108 can be completely buckled or screwed together to form a closed cooking cavity.

Example two:

as shown in fig. 2, in any of the above technical solutions, preferably, the method further includes: and alight outlet 110 disposed on the upper panel of theupper cover 102 and disposed near the steam outlet, wherein visible light radiation generated by the light source assembly irradiates the discharged steam through thelight outlet 110.

In this technical scheme, through set up outlight hole 110 in the top panel ofupper cover 102 and the position that is close to the steam and goes out the hole, the light source subassembly also locates thesteam exhaust passageway 104 outside, consequently, when steam was discharged by the steam escape hole of top panel, high temperature steam was hardly contacted with the light source subassembly when rising, had improved the reliability of light source subassembly.

The aperture of thelight exit hole 110 is L1.

Example three:

in any of the above solutions, as shown in fig. 4, preferably, the shape of thelight exit hole 110 includes a regular polygonal pattern and/or an irregular polygonal pattern.

In this technical scheme, through setting up the shape that light-emittinghole 110 includes regular shape polygon pattern and/or irregular shape polygon pattern, visible light radiation forms rich and varied projection image on the indoor wall when lighting up steam, has promoted the science and technology ofcooking utensil 100 and has felt and use safety.

The regular polygonal patterns comprise geometric shapes such as circles, rectangles, diamonds, stars and triangles, and the irregular polygonal patterns comprise animal figures, fruit figures, symbol figures and the like.

Example four:

in any of the above solutions, as shown in fig. 3, preferably, the designated area of the upper panel of theupper cover 102 is a light-transmissive casing disposed around the steam outlet hole, and the visible radiation generated by the light source assembly is irradiated to the exhausted steam through the light-transmissive casing.

In this technical scheme, set up the printing opacity casing through the specified region with the top panel ofupper cover 102, visible light radiation illuminates exhaust steam through the printing opacity casing, only is provided with steam outlet on the top panel this moment, also the light source subassembly is located insideupper cover 102, and the light source subassembly is difficult for receiving external force and damages, has promotedcooking utensil 100's reliability.

In any of the above technical solutions, preferably, the shape of the light-transmitting housing includes a polygonal pattern with a regular shape and/or a polygonal pattern with an irregular shape.

In this technical scheme, including regular shape's polygon pattern and/or the irregular polygon pattern of shape through the shape that sets up the printing opacity casing, visible light radiation is when lightening steam, forms rich and varied projection image on indoor wall, has promotedcooking utensil 100's science and technology and has felt and safe in utilization.

The regular polygonal patterns include geometric shapes such as circles, rectangles, diamonds, stars (as shown in fig. 4) and triangles, and the irregular polygonal patterns include animal figures, fruit figures, symbol figures, and the like.

In any of the above solutions, preferably, the axis of thesteam exhaust channel 104 is parallel to the vertical, and the light source assembly comprises a lamp set disposed around the tube wall of thesteam exhaust channel 104.

In this technical scheme, the axis throughsteam exhaust passage 104 is parallel with the plumb line, can shorten the transmission of steam inupper cover 102 as far as possible for a long time, reduces the thermal stress influence that high temperature steam producedupper cover 102 to through the banks that sets up the light source subassembly including the pipe wall setting that encirclessteam exhaust passage 104, the banks does not contact with high temperature steam, can reduce the fault rate of light source subassembly equally.

Example five:

in any of the above solutions, as shown in fig. 5, the light set preferably comprises a plurality of discrete indicator lights 106 distributed along a given circumference, which is concentric with thesteam exhaust channel 104.

In this embodiment, by arranging the lamp set to include a plurality ofdiscrete indicator lamps 106 distributed along a given circumference, the plurality ofindicator lamps 106 can emit visible light radiation of different colors or visible light radiation of the same color, respectively, and the visible light radiation is also arranged around the discharged steam, so that even if the steam is blown during the ascent, the visible light radiation can illuminate a part of the high-temperature steam.

In any of the above technical solutions, preferably, the lamp set includes at least one ring-shapedlamp tube 112, and the ring-shapedlamp tube 112 is sleeved outside thesteam exhaust channel 104.

In this embodiment, the lamp set includes at least one ring-shapedlamp tube 112, so as to illuminate the high-temperature steam while forming an aperture on the indoor wall, and when the lamp set includes a plurality of ring-shapedlamp tubes 112, the plurality of ring-shapedlamp tubes 112 may be concentrically arranged or eccentrically arranged, so as to illuminate the high-temperature steam with visible light radiation of the same color, or illuminate the high-temperature steam with visible light radiation of a plurality of colors.

In any of the above technical solutions, preferably, the method further includes: the temperature sensor is arranged on theupper cover 102 or on the inner wall of the cooking cavity, is electrically connected to the light source assembly, is used for detecting the cooking temperature in the cooking cavity, and triggers the light source assembly to generate visible radiation when the cooking temperature is detected to be greater than or equal to the preset cooking temperature.

In this technical scheme, through setting up temperature sensor atupper cover 102 or culinary art intracavity wall, can reducecooking utensil 100's consumption loss, because high temperature steam produces in culinary art temperature and is greater than or equal to when predetermineeing culinary art temperature usually, consequently, trigger light source subassembly this moment and generate visible radiation, be favorable to promoting the life of light source subassembly.

In any of the above technical solutions, preferably, thecooking appliance 100 is a rice cooker, a pressure cooker, a soybean milk machine or a wall breaking machine.

Example (b):

fig. 6 shows a schematic flow diagram of a cooking method according to an embodiment of the invention.

As shown in fig. 6, a cooking method according to an embodiment of the present invention includes: step S602, detecting cooking temperature according to a preset time interval; step S604, determining to start discharging steam when the cooking temperature is detected to be greater than or equal to the preset cooking temperature; in step S606, during the steam discharging process, a light source assembly of the cooking appliance is triggered to generate visible radiation, and the visible radiation can illuminate the discharged steam.

In this technical scheme, through at steam discharge in-process, trigger cooking utensil's light source subassembly generation visible radiation, the visible radiation can illuminate exhaust steam, can reduce cooking utensil's consumption loss, because high temperature steam produces in cooking temperature when being greater than or equal to preset cooking temperature usually, consequently, triggers light source subassembly generation visible radiation this moment, is favorable to promoting the life of light source subassembly.

In any of the above technical solutions, preferably, the method further includes: determining a corresponding relation between a preset cooking temperature and the color of visible light radiation; and triggering the light source assembly to generate visible radiation with corresponding colors according to the cooking temperature, the preset cooking temperature and the corresponding relation.

In this technical scheme, through triggering the visible light radiation that the light source subassembly generated corresponding colour according to culinary art temperature, preset culinary art temperature and corresponding relation, can carry out the light suggestion of different colours to the steam of different temperatures, more do benefit to the user and know the discharge state of high temperature steam.

In any of the above technical solutions, preferably, the method further includes: and when the cooking temperature is detected to be reduced to be less than or equal to the cooking temperature, controlling the light source assembly to continue generating the visible radiation within a preset time period.

In this technical scheme, through when detecting that the culinary art temperature reduces to being less than or equal to the culinary art temperature, control light source subassembly and continue to generate visible radiation in a section of predetermined duration, can continue to keep a section of predetermined duration's light prompt effect after the steam exhaust is accomplished to and the suggestion user enjoys the edible material of accomplishing the culinary art in time.

Example (b):

fig. 7 shows a schematic flow diagram of a cooking method according to another embodiment of the invention.

As shown in fig. 7, a cooking method according to another embodiment of the present invention includes: step S702, detecting that the cooking utensil starts to discharge high-temperature steam from the steam outlet; step S704, turning on a lamp, wherein visible light radiation emitted by the lamp penetrates through a light outlet and is projected on high-temperature steam exhausted from a steam outlet; step S706, detecting whether the steam discharge is finished according to the cooking temperature, if so, executing step S708, and if not, ending; in step S708, the lamp is turned off after the lamp continues to operate for a predetermined time.

Example (b):

a computer-readable storage medium according to an embodiment of the present invention, having a computer program stored thereon, the computer program being executed to implement the steps of the cooking method as defined in any one of the above technical solutions, including: detecting the cooking temperature according to a preset time interval; determining to start discharging steam when the cooking temperature is detected to be greater than or equal to a preset cooking temperature; during steam venting, a light source assembly of the cooking appliance is triggered to generate visible light radiation that can illuminate the vented steam.

In this technical scheme, through at steam discharge in-process, trigger cooking utensil's light source subassembly generation visible radiation, the visible radiation can illuminate exhaust steam, can reduce cooking utensil's consumption loss, because high temperature steam produces in cooking temperature when being greater than or equal to preset cooking temperature usually, consequently, triggers light source subassembly generation visible radiation this moment, is favorable to promoting the life of light source subassembly.

In any of the above technical solutions, preferably, the method further includes: determining a corresponding relation between a preset cooking temperature and the color of visible light radiation; and triggering the light source assembly to generate visible radiation with corresponding colors according to the cooking temperature, the preset cooking temperature and the corresponding relation.

In this technical scheme, through triggering the visible light radiation that the light source subassembly generated corresponding colour according to culinary art temperature, preset culinary art temperature and corresponding relation, can carry out the light suggestion of different colours to the steam of different temperatures, more do benefit to the user and know the discharge state of high temperature steam.

In any of the above technical solutions, preferably, the method further includes: and when the cooking temperature is detected to be reduced to be less than or equal to the cooking temperature, controlling the light source assembly to continue generating the visible radiation within a preset time period.

In this technical scheme, through when detecting that the culinary art temperature reduces to being less than or equal to the culinary art temperature, control light source subassembly and continue to generate visible radiation in a section of predetermined duration, can continue to keep a section of predetermined duration's light prompt effect after the steam exhaust is accomplished to and the suggestion user enjoys the edible material of accomplishing the culinary art in time.

The technical scheme of the invention is described in detail above with reference to the accompanying drawings, and the invention provides a cooking appliance, a cooking method and a computer readable storage medium, wherein a light source assembly is arranged on an upper cover and/or a cooker body, generates visible light radiation and irradiates steam discharged from a steam outlet, and compared with a buzzer for prompting the discharge of the steam, the discharged steam is illuminated, so that a user can know the cooking appliance in the exhaust process more intuitively, and noise interference caused by the buzzer is reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A cooking appliance, comprising:

the upper panel of the upper cover is provided with a steam outlet;

a first open end of the steam exhaust channel is communicated with the cooking cavity, a second open end of the steam exhaust channel is communicated with the steam outlet hole, and steam generated in the cooking cavity is exhausted to the atmosphere environment through the steam exhaust channel;

the light source component is arranged on the upper cover and/or the cooker body and used for generating visible light radiation and irradiating the visible light radiation to the steam discharged from the steam outlet;

the cooking appliance further comprises:

and the light outlet is arranged on the upper panel of the upper cover and is close to the steam outlet, and visible light radiation generated by the light source component irradiates to the discharged steam through the light outlet.

2. The cooking appliance of claim 1,

the shape of the light outlet hole comprises a regular polygonal pattern and/or an irregular polygonal pattern.

3. The cooking appliance of claim 1,

the appointed area of the upper panel of the upper cover is a light-transmitting shell arranged around the steam outlet hole, and visible light radiation generated by the light source component irradiates to the discharged steam through the light-transmitting shell.

4. The cooking appliance of claim 3,

the shape of the light-transmitting shell comprises a regular-shaped polygonal pattern and/or an irregular-shaped polygonal pattern.

5. The cooking appliance according to any one of claims 1 to 4,

the axis of steam exhaust passage is parallel with the plumb line, light source subassembly is including encircleing the banks that steam exhaust passage's pipe wall set up.

6. The cooking appliance of claim 5,

the lamp group comprises a plurality of discrete indicator lamps distributed along a designated circumference, and the designated circumference and the steam exhaust channel are concentrically distributed.

7. The cooking appliance of claim 5,

the lamp group comprises at least one annular lamp tube, and the annular lamp tube is sleeved on the outer side of the steam exhaust channel.

8. The cooking appliance according to any one of claims 1 to 4, further comprising:

the temperature sensor is arranged on the upper cover or on the inner wall of the cooking cavity, is electrically connected to the light source assembly, and is used for detecting the cooking temperature in the cooking cavity and triggering the light source assembly to generate the visible radiation when the cooking temperature is detected to be greater than or equal to a preset cooking temperature.

9. The cooking appliance according to any one of claims 1 to 4, 6, 7,

the cooking utensil is a rice cooker, a pressure cooker, a soybean milk machine or a wall breaking machine.

10. A cooking method, applied to the cooking appliance according to any one of claims 1 to 9, characterized in that it comprises:

detecting the cooking temperature according to a preset time interval;

determining to start discharging steam when it is detected that the cooking temperature is greater than or equal to a preset cooking temperature;

during the steam evacuation, activating a light source assembly of the cooking appliance to generate visible radiation that is capable of illuminating the evacuated steam.

11. The cooking method of claim 10, further comprising:

determining a corresponding relation between a preset cooking temperature and the color of the visible radiation;

and triggering the light source assembly to generate visible light radiation with corresponding colors according to the cooking temperature, the preset cooking temperature and the corresponding relation.

12. The cooking method according to claim 10 or 11, further comprising:

and when the cooking temperature is detected to be reduced to be less than or equal to the cooking temperature, controlling the light source assembly to continue generating the visible radiation for a preset time period.

13. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed, carries out the steps of the cooking method according to any one of claims 10 to 12.

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