WO2017170318A1 - 加熱調理器 - Google Patents
加熱調理器 Download PDFInfo
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- WO2017170318A1 WO2017170318A1 PCT/JP2017/012234 JP2017012234W WO2017170318A1 WO 2017170318 A1 WO2017170318 A1 WO 2017170318A1 JP 2017012234 W JP2017012234 W JP 2017012234W WO 2017170318 A1 WO2017170318 A1 WO 2017170318A1
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- Prior art keywords
- illumination
- unit
- heating chamber
- food
- heated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
- F24C7/085—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on baking ovens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/008—Illumination for oven cavities
Definitions
- the present disclosure relates to a cooking device for cooking food and the like.
- a conventional cooking device having a heating chamber is provided with an imaging unit for imaging the heating chamber so that the state of food to be heated can be confirmed (for example, Patent Document 1). reference).
- image processing is performed based on an image taken by the imaging unit, and the degree of burning of the food that is the state of the food being cooked is recognized and determined.
- the cooking device having such a conventional imaging unit it is inevitable that the distance between the food in the heating chamber surrounded by the wall surface and the illumination is short. For this reason, the irradiation light from the light source is partly too strong, and the color of the food detected by the imaging unit is shifted to the white side from the color of the actual food, or the food in the heating chamber is viewed from the light source. A dark shadow may appear on the back side. When at least one of such partial high illuminance and shadow occurs, the burnt color cannot be detected correctly.
- this type of heating cooker it is generally performed that a food is placed on a mounting device such as tableware or a cooking sheet in a heating chamber and is heated.
- a mounting device such as tableware or a cooking sheet in a heating chamber and is heated.
- edge tracking is performed to determine the food area.
- a heating cooker including an imaging unit and an illumination unit, in order to recognize the state of an object to be heated such as food, the background and Provided is a heating cooker that easily separates a heated object and specifies an image of the heated object, that is, easily detects the heated object and specifies the outline of the heated object.
- the cooking device includes an imaging unit that captures an image of the heating chamber, an illumination unit that irradiates light into the heating chamber, and an illumination degree control unit that changes the degree of illumination by the illumination unit. And an image processing unit that identifies an image of the object to be heated from the image captured by the imaging unit.
- the degree of illumination is set to an illumination degree that can distinguish the difference between the two colors with many gradations, and the object to be heated is photographed. be able to.
- the position of the heated object in the image does not change even if the illumination level is changed, but at least partial high illuminance and shadows that occur in the image Since one position changes, these changes can be detected and separated.
- the object to be heated can be photographed by changing the lighting degree by the lighting degree control unit.
- the lighting degree control unit it becomes easy to specify the image of the heated object by separating the background from the heated object in the image processing unit, that is, to accurately detect the heated object and specify the contour of the heated object.
- FIG. 1 is a diagram illustrating a schematic configuration of a main part of a heating cooker according to Embodiment 1 of the present disclosure.
- FIG. 2A is a diagram illustrating a schematic configuration of another illumination pattern of the heating cooker according to the first embodiment of the present disclosure.
- FIG. 2B is a diagram illustrating a schematic configuration of still another illumination pattern of the heating cooker according to the first embodiment of the present disclosure.
- FIG. 3 is a diagram illustrating a schematic configuration of a main part of the heating cooker according to the second embodiment of the present disclosure.
- a heating cooker includes a heating chamber that houses an object to be heated, an imaging unit that captures an image of the heating chamber, an illumination unit that irradiates light into the heating chamber, and a degree of illumination by the illumination unit.
- the illumination level control unit With such a configuration, it is possible to take a plurality of images with the illumination level changed by the illumination level control unit. As a result, even if the food to be heated and the background in the vicinity thereof are approximate colors, the illumination level is set to an illumination level that can distinguish between the two colors with many gradations. You can shoot.
- the position of the heated object in the image does not change even if the illumination level is changed, but at least partial high illuminance and shadows that occur in the image Since one position changes, these changes can be detected to separate the background from the object to be heated.
- the degree of illumination is set to an illumination degree that can distinguish the difference between the two colors with many gradations, and the object to be heated is photographed. be able to. Therefore, it becomes easy to specify the image of the heated object by separating the background from the heated object in the image processing unit, that is, to accurately detect the heated object and specify the contour thereof.
- the cooking device may include an illumination pattern storage unit that stores a plurality of illumination patterns.
- the illumination unit may be configured to irradiate light with a plurality of illumination patterns.
- the cooking device may be configured such that the illumination degree control unit causes the illumination unit to execute at least two of the plurality of illumination patterns.
- the cooking device may be configured such that the illumination degree control unit changes the degree of illumination by the illumination unit according to the brightness of the image captured by the imaging unit.
- the image part with low lightness other than the object to be heated and the vicinity background is It will be dark.
- an object to be heated and a background in the vicinity having a high lightness can be photographed with a large number of gradations in the color difference between them.
- it becomes easy to specify the image of the heated object by separating the background from the heated object in the image processing unit, that is, to accurately detect the heated object and specify the contour thereof.
- the object to be heated and the background in the vicinity thereof are approximate colors with low brightness
- the image part with high brightness other than the object to be heated and the vicinity background will fly white. It will end up.
- an object to be heated and a nearby background which are low-lightness colors, can be photographed with a large number of gradations in the color difference between them. As a result, as in the former case, it becomes easy to accurately detect the heated object by separating the background from the heated object in the image processing unit.
- the heating cooker according to an example of the embodiment of the present disclosure may include a plurality of illumination units.
- the cooking device according to an example of the embodiment of the present disclosure may be configured such that the illumination degree control unit changes the lighting degree by controlling on and off of the plurality of illumination units.
- the illuminance in the heating chamber changes by changing the number of illumination units that are turned on, so that a plurality of images with different illuminances can be taken.
- the degree of illumination is set to an illumination degree that can discriminate between the two colors in many gradations, and the object to be heated can be photographed. it can. Accordingly, it becomes easy to accurately detect the heated object by separating the background from the heated object in the image processing unit.
- the position of the object to be heated in the image does not change even if the position of the illumination unit is changed, but the position of at least one of partial high illuminance and shadow that occurs in the image Will change. Therefore, the background can be detected and separated from the object to be heated, and the object to be heated can be accurately detected.
- the heating cooker according to an example of the embodiment of the present disclosure may include a plurality of illumination units.
- the plurality of illumination units may be arranged on at least one of the wall surface and the top surface of the heating chamber. Further, in this case, the plurality of illumination units are arranged at positions separated from each other by 30 degrees or more with the imaging unit interposed therebetween with the center of the heating chamber as a center in a plan view when the heating chamber is viewed from above. You may have at least one of these combinations.
- the cooking device may be configured such that the illumination unit can illuminate with a plurality of luminances.
- the illumination degree control unit may be configured to change the illumination degree by switching a plurality of luminances of the illumination unit.
- the degree of illumination is set to an illumination degree that can discriminate between the two colors in many gradations, and the object to be heated can be photographed. . Accordingly, it becomes easy to accurately detect the heated object by separating the background from the heated object in the image processing unit.
- the imaging unit photographs the heating chamber through a through hole or a transparent member provided on at least one of the wall surface and the top surface of the heating chamber. It may be configured to.
- the imaging unit can be disposed outside the heating chamber, unnecessary reflection of illumination light and generation of shadows in the heating chamber by the imaging unit can be prevented. Furthermore, it is possible to prevent the imaging unit from interfering with the heating of the object to be heated in the heating chamber and to easily take measures against the temperature of the imaging unit. Therefore, it is possible to prevent the imaging unit from being damaged due to the high temperature in the heating chamber.
- this indication is not limited to the structure of the heating cooker described in the following embodiment.
- FIG. 1 is a diagram illustrating a schematic configuration of a main part of a heating cooker according to Embodiment 1 of the present disclosure.
- FIG. 2A is a diagram illustrating a schematic configuration of another illumination pattern of the heating cooker according to the first embodiment of the present disclosure.
- FIG. 2B is a diagram illustrating a schematic configuration of still another illumination pattern of the heating cooker according to the first embodiment of the present disclosure.
- the heating cooker 11 includes a heating chamber 13 that houses a food 12 that is a heated object.
- the heating cooker 11 is configured so that an object to be heated can be cooked with a heating source (not shown) such as a heater, a magnetron, or a steam generator.
- the heating chamber 13 includes a top surface 17, a left wall surface 18, a back surface 19, a right wall surface 20, a bottom surface 21, and a door (not shown).
- the heating chamber 13 has a substantially rectangular parallelepiped shape.
- the top surface 17, the left wall surface 18, the back surface 19, and the right wall surface 20 are formed of a material such as a hollow steel plate, a stainless steel plate, or a painted steel plate, for example.
- the heating chamber 13 has a width of 400 mm and a depth of 300 mm.
- a slope 22 is formed between the top surface 17 and the left wall surface 18 of the heating chamber 13.
- the inclined surface 22 is partially centered in the depth direction of the heating chamber 13 between the top surface 17 and the left wall surface 18, that is, from the back surface 19, for example, at a position approximately 150 mm in front of the front surface in the depth direction. For example, it is formed by drawing.
- An imaging unit 23 is disposed outside the slope 22 (on the opposite side to the inside of the heating chamber 13). That is, the image pickup unit 23 is shifted in a direction away from the inside of the heating chamber 13 relative to the slope 22 (along the normal line of the slope 22 toward the outside of the heating chamber 13 (in the diagonally upper left direction in FIG. 1)). Thus, the inside of the heating chamber 13 can be photographed through a through hole 24 provided in the inclined surface 22.
- the imaging center direction of the imaging unit 23 is set, for example, 30 degrees below the horizontal direction so that the food 12 is contained in the field of view.
- the angle of the imaging center direction of the imaging unit 23 with respect to the horizontal direction may be a downward direction of 0 to about 50 degrees according to the angle of view of the imaging unit 23. And if the angle of the slope 22 is set so that the imaging center direction of the imaging part 23 and the slope 22 become perpendicular
- the illuminations 25a, 25b, 25c, and 25d of the plurality of illumination units are configured by, for example, LEDs (Light Emitting Diodes, light emitting diodes).
- the illuminations 25a, 25b, 25c, and 25d are installed on the front side and the rear side above the left and right side wall surfaces 18 and 20, corresponding to the vicinity of the four corners of the top surface 17 of the heating chamber 13, respectively. (See FIG. 1).
- the illumination 25a is on the front side of the left wall surface 18, the illumination 25b is in the vicinity of the rear surface 19 on the rear side of the left wall surface 18, the illumination 25c is in the vicinity of the rear surface 19 behind the right wall surface 20, and the illumination 25d is on the right wall surface. 20 are arranged in front of each other.
- Each of the illuminations 25a to 25d is configured such that light can be irradiated into the heating chamber 13 from an LED provided on the outer surface side of the wall surface.
- the light source center of illumination 25a, 25d is arrange
- the light source centers of the illuminations 25b and 25c are disposed on the side wall surfaces 18 and 20 at a position of 50 mm forward from the back surface 19. Therefore, in the heating cooker 11 of the present embodiment, the illumination 25a, with respect to a straight line connecting the center of the bottom surface of the heating chamber 13 and the imaging unit 23 in a plan view when the heating chamber 13 is viewed from above.
- Each 25b is about 26.5 degrees apart. That is, the two illuminations 25a and 25b are arranged approximately 53 degrees apart from the center of the bottom surface of the heating chamber 13. Similarly, the illuminations 25c and 25d are also arranged about 53 degrees apart from the center of the bottom surface of the heating chamber 13.
- Control part 31 of cooking-by-heating machine 11 is constituted by microcomputer (not shown) which has CPU, memory, or an input-output interface etc., for example.
- the control unit 31 includes an image processing unit 32, an illumination degree control unit 33, and an illumination pattern storage unit (storage unit) 34 therein.
- the image processing unit 32 is electrically connected to the imaging unit 23, and performs processing for specifying an image of the food 12 from the image data in the heating chamber 13 captured and acquired by the imaging unit 23.
- the illumination level control unit 33 is electrically connected to the illuminations 25a to 25d, and changes the illumination levels of the illuminations 25a to 25d based on the illumination pattern data stored in the illumination pattern storage unit 34.
- the food 12 placed on the tableware 35 which is a mounting tool is put by the user.
- Illumination that can ensure the visibility by the imaging unit 23 can be obtained by illuminating the heating chamber 13 using the illuminations 25a to 25d.
- all of the four illuminations 25a to 25d are turned on as the first patterns stored in the illumination pattern storage unit.
- the imaging unit 23 not only captures and displays the inside of the heating chamber 13, but also recognizes and determines the cooking state of the food 12 in the cooking device 11, and the food 12 and tableware. When both of them are of a whitish approximate color with high brightness, the illumination light irradiated from the illuminations 25a to 25d is reflected by the food 12 and the tableware 35, and the illuminance in the heating chamber 13 is increased.
- the distance between the food 12 and each of the lights 25a to 25d provided on the side wall surfaces 18 and 20 is generally about 100 to 500 mm in this type of heating cooker, and the distance between the light source and the food 12 Is close. Therefore, the illumination light from the illuminations 25a to 25d is too strong, the brightness of the food 12 detected by the imaging unit 23 becomes very large, and a portion where the detected light quantity is over the range and recognized as white is generated. .
- the heating cooker 11 has the illumination degree control unit 33 that can change the illumination degree, so that the first stored in the illumination pattern storage unit 34 as shown in FIG. 2A.
- the illumination degree control unit 33 can change the illumination degree, so that the first stored in the illumination pattern storage unit 34 as shown in FIG. 2A.
- the illumination degree control unit 33 can change the illumination degree, so that the first stored in the illumination pattern storage unit 34 as shown in FIG. 2A.
- the illumination degree control unit 33 that can change the illumination degree, so that the first stored in the illumination pattern storage unit 34 as shown in FIG. 2A.
- the illumination degree control unit 33 that can change the illumination degree, so that the first stored in the illumination pattern storage unit 34 as shown in FIG. 2A.
- the illumination intensity control unit 33 turns on only two of the left rear illumination 25b and the right front illumination 25d as the third pattern stored in the illumination pattern storage unit 34. Change the lighting level. Then, the position of the partial high illuminance generated in the image photographed by the imaging unit 23 changes. Thereby, the image processing unit 32 compares the images of the first pattern, the second pattern, and the third pattern in the illumination pattern storage unit 34, and obtains the contour whose position has been changed by the illumination pattern and the contour that has not changed. It is possible to distinguish and distinguish the changed contour as a partial high illuminance part, and the food 12 can be accurately detected.
- a shadow 36b of the food 12 is generated by the illumination 25b, and a shadow 36d by the illumination 25d is formed on the opposite side through the food 12.
- the shadow 36b and the shadow 36a in the case of the second pattern are separated by an angle determined according to the arrangement angle of the illuminations 25a and 25b.
- the illuminations 25a and 25b are arranged approximately 53 degrees apart from each other, in the case of the shadow 36b and the second pattern according to the arrangement angle of the illuminations 25a and 25b. If the foodstuff 12 is arrange
- the shadow 36d and the shadow 36b in the case of the second pattern also occur approximately 53 degrees apart. Therefore, when the shadows 36a and 36c generated by the illumination turned on in the second pattern and the shadows 36b and 36d produced by the illumination turned on in the third pattern are compared, the position of the shadow photographed by the imaging unit 23 is compared. Change will be greater.
- both the food 12 and the tableware 35 are dark approximate colors with low brightness
- two illuminations such as the second pattern and the third pattern of the illumination pattern storage unit 34 shown in FIGS. 2A and 2B.
- the illumination light emitted from the illumination unit is less reflected by the food 12 and the tableware 35, and the illuminance in the heating chamber 13 is reduced.
- the heating cooker 11 of the present embodiment includes a lighting control unit 33 that can change the lighting.
- the heating cooker 11 of the present embodiment when the four illuminations 25a to 25d are turned on as the first pattern of the illumination pattern storage unit 34 shown in FIG. 1, the illuminance in the heating chamber 13 increases. Insufficient amount of light detected on the low brightness color side can be prevented.
- the background image portions with high brightness other than the food 12 and the tableware 35 are white. Thereby, the black approximate colors on the low lightness color side can be detected and imaged with many gradations in the imaging unit 23. Therefore, the image processing unit 32 can appropriately distinguish gradations.
- the illumination level control unit 33 controls the illumination level by the illumination level control unit 33 according to the brightness of the photographed image, when the food 12 and the background in the vicinity thereof are approximate colors with high brightness, the illuminations 25a to 25d are used.
- the illuminations 25a to 25d are used.
- the background is separated from the food 12 that is the object to be heated, and the image of the food 12 is specified, that is, the food 12 is accurately detected and its outline is specified. It becomes easy.
- the image processing unit 32 can easily detect the food 12 accurately by separating the background from the food 12.
- the number of lighting units (illuminations 25a to 25d) that are turned on is changed by controlling the lighting units 25a to 25d that are a plurality of lighting units to be turned on and off.
- the illumination degree can be changed and the illuminance in the heating chamber 13 changes.
- the illumination level is set to an illumination level that can discriminate between the two colors in many gradations, and the food 12 that is to be heated is photographed. be able to.
- the image processing unit 32 can easily detect the food 12 accurately by separating the background from the food 12.
- the position of the illumination units (illuminations 25a to 25d) that are turned on, it is possible to take a plurality of images with different degrees of illumination. Therefore, by comparing these multiple images, even if the position of the illumination unit is changed, the position of the food 12 in the multiple images does not change, but the position of at least one of the partial high illuminance and the shadow that occurs in the multiple images is Change. Therefore, it is possible to detect changes in these positions and separate them by the image processing unit 32, and the food 12 can be accurately detected.
- the method of changing the degree of illumination is a method of changing the number of illumination units (illuminations 25a to 25d) to be turned on by controlling on and off of the illumination units 25a to 25d, which are the plurality of illumination units described above.
- the degree of illumination may be changed by increasing or decreasing the luminance of the illuminations 25a to 25d that are a plurality of illumination units.
- the image processing unit 32 can further easily recognize the burned color that is the cooking state of the food 12. That is, taking baking of cookies as an example, a white cooking sheet is laid on an iron tray, and then cookie dough (both not shown) are arranged and placed in the heating chamber 13. At this time, the outline of the cookie that is the food 12 is distinguished from the cooking sheet that is the background, and is accurately detected by the image processing unit 32.
- the temperature in the heating chamber 13 is set to 170 ° C., for example, and firing starts.
- the whitish cookie dough will turn brown after about 10 minutes, but the cooking sheet will remain white.
- the image processing unit 32 since the image processing unit 32 accurately recognizes the outline of the cookie dough that is the food 12, the white recognition part of the cooking sheet is detected and the misrecognition is determined to be not burned. Can be prevented.
- the imaging unit 23 captures the food 12 that is the object to be heated during such cooking, the inside of the heating chamber 13 is at a high temperature (for example, the above-described 170 ° C.).
- the heat resistance temperature for example, 70 ° C.
- the through hole 24 for the imaging unit 23 is provided on the slope 22 that forms the wall surface of the heating chamber 13.
- the imaging part 23 is arrange
- Such a configuration makes it easy to take measures against the temperature of the imaging unit 23, and can prevent the imaging unit 23 from being damaged due to a high temperature.
- the imaging unit 23 since the imaging unit 23 is disposed outside the heating chamber 13, it is possible to prevent at least one of unnecessary reflection of illumination light and shadow in the heating chamber 13 by the imaging unit 23. Furthermore, it is possible to prevent the imaging unit 23 from interfering with food heating in the heating chamber 13.
- the slope 22 is formed.
- the left wall surface 18 may have a through hole.
- a slope is formed between the top surface 17 and the right side wall surface 20 or between the top surface 17 and the back surface 19, and a through hole is provided on this slope.
- the imaging unit 23 may be arranged.
- a through hole is provided in the top surface 17, and the imaging unit 23 is provided outside the through hole. It may be done.
- a transparent member such as transparent glass is provided at the front door portion of the heating chamber 13, and the food 12 that is the object to be heated is photographed through the transparent member.
- the imaging unit 23 may be arranged. Even with such a configuration, the same operations and effects as those described above can be obtained.
- the heating cooker 11 of the present embodiment there are two illumination units, one in front of the left wall 18 and one in the rear, a total of two, and one in front of the right wall 20 and the rear.
- the illumination unit may be arranged on the top surface 17, and the optimal number and position of the illumination units are selected as appropriate. May be arranged.
- the heating cooker 11 according to the second embodiment of the present disclosure is greatly different from the heating cooker 11 according to the first embodiment in a configuration for changing the lighting degree in the lighting degree control unit 33.
- FIG. 3 is a diagram illustrating a schematic configuration of a main part of the heating cooker according to the second embodiment of the present disclosure.
- the illumination intensity control unit 41 that is electrically connected to the illuminations 25a to 25d includes a pulse width modulation control unit (Pulse) therein. It has a Width Modulation Control Unit (hereinafter also referred to as a PWM control unit) 42.
- the pulse width modulation control unit 42 drives the LEDs constituting the illuminations 25a to 25d in a pulsed manner, and a pulse width for flowing current Is changed to change the brightness, that is, the luminance of the illuminations 25a to 25d to a plurality of set values.
- the illumination light in the heating chamber 13 is reflected by the foodstuff 12 and the tableware 35 and the illuminance is large. Become.
- the heating chamber 13 since the distance between the food 12 and each of the illuminations 25a to 25d is short, there is a portion where the irradiation light is concentrated and detected by the imaging unit 23 as white.
- the heating cooker 11 includes the illumination degree control unit 41 that changes the illumination degree. Therefore, according to the illumination pattern stored in the illumination pattern storage unit 34, the brightness of each of the illuminations 25a to 25d.
- the pulse width is changed so that becomes a predetermined set value. For example, in the cooking device 11 of the present embodiment, the pulse width is changed by the illumination intensity control unit 41 so as to lower the brightness of each of the illuminations 25a to 25d. Then, the illuminance in the heating chamber 13 is reduced, the overall brightness is reduced, and the detected light quantity on the high brightness color side can be prevented from being over the range.
- the background image portions with low brightness other than the food 12 and the tableware 35 are crushed in a dark color.
- the whitish approximate colors on the high brightness color side can be detected and imaged with many gradations in the imaging unit 23, so that the image processing unit 32 can appropriately distinguish the gradations. Therefore, in the heating cooker 11 of this Embodiment, even if the foodstuff 12 and the tableware 35 are approximate colors, each can be image
- the tableware 35 which is the background in the vicinity of the food 12 is separated from the food 12, and the image of the food 12 is specified, that is, the outline of the food 12 is detected and its outline is specified. Becomes easier.
- the illuminance in the heating chamber 13 can be changed by changing the luminance of each of the illuminations 25a to 25d to a plurality of different luminances. This makes it possible to capture a plurality of images with different illuminances. Therefore, even if the food 12 and the background in the vicinity are approximate colors, the food 12 can be photographed with the illumination degree set to an illumination degree that can distinguish the difference between the two colors with many gradations. Therefore, it becomes easy to accurately detect the food 12 by separating the background from the food 12 in the image processing unit 32.
- the image processing unit 32 compares the plurality of images in which the luminances of the illuminations 25a to 25d are changed according to the plurality of illumination patterns stored in the illumination pattern storage unit 34. It is possible to distinguish between a contour whose position has been changed by the illumination pattern and a contour which has not changed, and to determine and separate the contour whose position has been changed as a partial high illuminance portion, so that the food 12 can be accurately detected.
- the configuration of changing the luminance of the illuminations 25a to 25d has been described using the pulse width modulation control unit 42.
- the current value that flows to the LED instead of changing the pulse width is described.
- the cooking device 11 may be configured to change the size of the cooking device 11 itself.
- the illumination pattern storage unit 34 may store, for example, a plurality of luminance switching patterns executed by the illuminations 25a to 25d as illumination pattern data.
- the illumination level can be changed by the illumination level control units 33 and 41 by switching a plurality of luminances in the illumination unit based on the data of the plurality of illumination patterns stored in the illumination pattern storage unit 34. Good.
- the present disclosure provides a cooking device that can easily detect an object to be heated and specify its outline, and can correctly detect the state of the object to be heated. Therefore, the present invention can be widely applied to a heating cooker for cooking food by heating.
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Abstract
Description
図1は、本開示の実施の形態1における加熱調理器の主要部の概略構成を示す図である。図2Aは、本開示の実施の形態1における加熱調理器の他の照明パターンの概略構成を示す図である。図2Bは、本開示の実施の形態1における加熱調理器のさらに他の照明パターンの概略構成を示す図である。
以下、本開示の実施の形態2の加熱調理器11について説明する。本開示の実施の形態2の加熱調理器11において、実施の形態1の加熱調理器11と大きく異なる点は、照明度制御部33において照明度合いを変化させるための構成である。
12 食品(被加熱物)
13 加熱室
17 天面
18 左側壁面(壁面)
19 背面(壁面)
20 右側壁面(壁面)
23 撮像部
24 貫通孔
25a,25b,25c,25d 照明(照明部)
32 画像処理部
33,41 照明度制御部
34 照明パターン記憶部(記憶部)
35 食器(近傍背景)
42 パルス幅変調制御部(PWM制御部)
Claims (7)
- 被加熱物を収納する加熱室と、
前記加熱室内を撮影する撮像部と、
前記加熱室内に光を照射する照明部と、
前記照明部による照明度合いを変える照明度制御部と、
前記撮像部で撮影された画像から前記被加熱物の画像を特定する画像処理部を備えた、
加熱調理器。 - 複数の照明パターンを記憶する照明パターン記憶部をさらに備え、
前記照明部は、前記複数の照明パターンより前記光を照射するよう構成され、
前記照明度制御部は、前記照明部に前記複数の照明パターンの少なくとも2つを実行させるよう構成された、
請求項1記載の加熱調理器。 - 前記照明度制御部は、
前記撮像部で撮影された前記画像の明度に応じて前記照明部による前記照明度合いを変えるよう構成された、
請求項1または2に記載の加熱調理器。 - 前記照明部を複数備え、
前記照明度制御部は、前記複数の照明部のオンおよびオフを制御し前記照明度合いを変えるよう構成された、
請求項1から3のいずれか1項に記載の加熱調理器。 - 前記複数の照明部は、前記加熱室の壁面および天面の少なくともいずれか一方の面に配置されるとともに、
前記複数の照明部は、前記加熱室を上方から見たときの平面視で、前記加熱室の中央を中心として前記撮像部を挟んで互いに30度以上離れた位置に配置された照明部の組み合わせを少なくとも一つ有する、
請求項4記載の加熱調理器。 - 前記照明部は、複数の輝度を有し、
前記照明度制御部は、前記照明部の輝度を切り替えて前記照明度合いを変えるよう構成された、
請求項1から5のいずれか1項に記載の加熱調理器。 - 前記撮像部は、前記加熱室の壁面および天面の少なくともいずれか一方の面に設けられた、貫通孔または透明部材を介して、前記加熱室内を撮影するよう構成された、
請求項1から6のいずれか1項に記載の加熱調理器。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201780020664.6A CN109073231A (zh) | 2016-03-29 | 2017-03-27 | 加热烹调器 |
| EP17774855.5A EP3438544A4 (en) | 2016-03-29 | 2017-03-27 | COOKING DEVICE |
| JP2018509299A JPWO2017170318A1 (ja) | 2016-03-29 | 2017-03-27 | 加熱調理器 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2016-065325 | 2016-03-29 | ||
| JP2016065325 | 2016-03-29 |
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| WO2017170318A1 true WO2017170318A1 (ja) | 2017-10-05 |
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| PCT/JP2017/012234 Ceased WO2017170318A1 (ja) | 2016-03-29 | 2017-03-27 | 加熱調理器 |
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| EP (1) | EP3438544A4 (ja) |
| JP (1) | JPWO2017170318A1 (ja) |
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| WO2018173987A1 (ja) * | 2017-03-23 | 2018-09-27 | パナソニックIpマネジメント株式会社 | 加熱調理器 |
| WO2018225666A1 (ja) * | 2017-06-07 | 2018-12-13 | パナソニックIpマネジメント株式会社 | 加熱調理器および加熱調理器の制御方法 |
| WO2019169613A1 (en) * | 2018-03-08 | 2019-09-12 | Midea Group Co., Ltd. | Smart rice cookers capable of mixed grain cooking and abnormal conditions detection |
| WO2020120028A1 (en) * | 2018-12-13 | 2020-06-18 | Arcelik Anonim Sirketi | A cooking device comprising an imaging system |
| JPWO2019198621A1 (ja) * | 2018-04-09 | 2021-04-15 | パナソニックIpマネジメント株式会社 | 加熱調理器 |
| JP2021113637A (ja) * | 2020-01-17 | 2021-08-05 | リンナイ株式会社 | 調理システム |
| EP4517182A1 (en) * | 2023-08-29 | 2025-03-05 | LG Electronics Inc. | Cooking appliance comprising a camera and light sources |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT115154A (pt) * | 2018-11-16 | 2020-05-18 | Julio Sergio Moreira Vicente | Forno de micro-ondas que compreende um mecanismo de basculamento para inclinação da tampa de proteção para alimentos. |
| JP7357222B2 (ja) * | 2020-02-20 | 2023-10-06 | パナソニックIpマネジメント株式会社 | 加熱調理器 |
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| EP4517182A1 (en) * | 2023-08-29 | 2025-03-05 | LG Electronics Inc. | Cooking appliance comprising a camera and light sources |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109073231A (zh) | 2018-12-21 |
| EP3438544A1 (en) | 2019-02-06 |
| JPWO2017170318A1 (ja) | 2019-02-14 |
| EP3438544A4 (en) | 2019-04-17 |
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