CN108282949B - Lighting control method and lighting control device for range hood and range hood system - Google Patents
Lighting control method and lighting control device for range hood and range hood system Download PDFInfo
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- CN108282949B CN108282949B CN201810287440.8A CN201810287440A CN108282949B CN 108282949 B CN108282949 B CN 108282949B CN 201810287440 A CN201810287440 A CN 201810287440A CN 108282949 B CN108282949 B CN 108282949B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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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
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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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
- F24C15/20—Removing cooking fumes
- F24C15/2064—Removing cooking fumes illumination for cooking hood
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an illumination control method for a range hood, which comprises the following steps: collecting an image of a current cooking bench; judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions or not according to the image of the current cooking bench; when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, the color temperature of the illuminating lamp is adjusted; and when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, the brightness of the illuminating lamp is adjusted. The invention also discloses an illumination control device for the range hood and a range hood system. According to the embodiment of the invention, the color temperature and the brightness of the illuminating lamp are adjusted by collecting the image of the current cooking bench and judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with the preset working conditions according to the image of the current cooking bench, so that the ambient light of the current cooking bench meets the corresponding color temperature and brightness requirements, the accuracy of the user in judging the colors of the food materials is improved, and the user can make delicious dishes.
Description
Technical Field
The invention relates to the technical field of intelligent household appliances, in particular to an illumination control method and device for a range hood and a range hood system.
Background
The color temperature value and the brightness value of the ambient light may be different in different time periods of the day, for example, the color temperature value and the brightness value of the ambient light are higher in the middle of the day and lower in the sunset. The color of the object viewed by the person is affected by the color temperature and brightness of the ambient light, so that the color judgment of the food by the person in the kitchen may be misjudged due to the influence of the ambient light. In addition, when cooking certain dishes, the color of the food material needs to be observed to perform different operations, and if people in the kitchen deviate from the color judgment of the food material due to the influence of the color temperature and the brightness of the ambient light, the taste of the dishes made by the people in the kitchen is different, for example, the taste of the dishes made at noon is greatly different from that of the same dishes made at evening.
At present, current lampblack absorber generally has the light to adjust the colour temperature and the luminance of the ambient light of top of a kitchen range through the light, thereby be convenient for the user to judge the colour of eating the material better. However, in the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art: because the colour temperature and the luminance of the light on the present lampblack absorber are fixed, consequently lead to current lampblack absorber can't be according to the ambient light of top of a kitchen range automatic adjustment light's colour temperature and luminance to lead to the ambient light that can't ensure the top of a kitchen range to satisfy corresponding colour temperature and luminance requirement, and then lead to the unable accurate colour of judging the edible material of user.
Disclosure of Invention
The embodiment of the invention aims to provide an illumination control method, an illumination control device and a range hood system for a range hood, so as to solve the technical problem that the existing range hood cannot ensure that ambient light of a cooking bench meets corresponding color temperature and brightness requirements due to the fact that the color temperature and the brightness of an illuminating lamp cannot be automatically adjusted according to the ambient light of the cooking bench, and improve the accuracy of a user in judging the colors of food materials.
In order to solve the technical problem, an embodiment of the present invention provides an illumination control method for a range hood, including:
collecting an image of a current cooking bench;
judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions or not according to the image of the current cooking bench;
when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, adjusting the color temperature of the illuminating lamp;
and when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, the brightness of the illuminating lamp is adjusted.
As a preferred scheme, the method for judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to preset working conditions according to the image of the current cooking bench specifically comprises the following steps:
acquiring a pixel color value of an image of a current cooking bench;
calculating a color difference value between the pixel color value of the image of the current hearth and the pixel color value of the preset image of the hearth;
when the absolute value of the color difference value is smaller than or equal to a preset color difference value threshold value, judging that the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions;
and when the absolute value of the color difference value is larger than a preset color difference value threshold value, judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with preset working conditions.
As a preferred scheme, when it is determined that the color temperature value of the ambient light of the current cooking bench does not meet the preset working condition, adjusting the color temperature of the illuminating lamp specifically includes the steps of:
when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, obtaining a corresponding color temperature adjusting value according to the color difference value by inquiring a relation table of the color temperature adjusting value and the color difference value;
and adjusting the color temperature of the illuminating lamp according to the color temperature adjusting value.
As a preferred scheme, when it is determined that the brightness value of the ambient light of the current cooking bench does not meet the preset working condition, adjusting the brightness of the illumination lamp specifically includes the steps of:
when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, obtaining a corresponding brightness adjusting value according to the color difference value by inquiring a relation table of the brightness adjusting value and the color difference value;
and adjusting the brightness of the illuminating lamp according to the brightness adjusting value.
As a preferred scheme, the acquiring of the image of the current cooking bench specifically includes the steps of:
acquiring the brightness value of the ambient light of the current cooking bench, which is acquired by an ambient sensor;
and when the brightness value of the ambient light of the current cooking bench acquired by the ambient sensor is judged to accord with a preset first brightness value, acquiring the image of the current cooking bench.
In order to solve the same technical problem, an embodiment of the present invention further provides an illumination control apparatus for a range hood, including:
the image acquisition module is used for acquiring an image of the current cooking bench;
the judging module is used for judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench meet preset working conditions or not according to the image of the current cooking bench;
the color temperature adjusting module is used for adjusting the color temperature of the illuminating lamp when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition;
and the brightness adjusting module is used for adjusting the brightness of the illuminating lamp when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition.
As a preferred scheme, the judging module specifically includes:
the device comprises a pixel color value acquisition unit, a pixel color value acquisition unit and a pixel color value acquisition unit, wherein the pixel color value acquisition unit is used for acquiring the pixel color value of the image of the current cooking bench;
the calculating unit is used for calculating a color difference value between the pixel color value of the image of the current cooking bench and the pixel color value of the preset image of the cooking bench;
the first judgment unit is used for judging that the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions when the absolute value of the color difference value is smaller than or equal to a preset color difference value threshold;
and the second judging unit is used for judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with the preset working condition when the absolute value of the color difference value is larger than the preset color difference value threshold.
As a preferred scheme, the color temperature adjusting module specifically includes:
the color temperature adjusting value obtaining unit is used for obtaining a corresponding color temperature adjusting value according to the color difference value by inquiring a relation table of the color temperature adjusting value and the color difference value when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition;
and the color temperature adjusting unit is used for adjusting the color temperature of the illuminating lamp according to the color temperature adjusting value.
As a preferred scheme, the brightness adjusting module specifically includes:
the device comprises a brightness adjustment value obtaining unit, a brightness adjustment value calculating unit and a color difference value calculating unit, wherein the brightness adjustment value obtaining unit is used for obtaining a corresponding brightness adjustment value according to a color difference value by inquiring a relation table of the brightness adjustment value and the color difference value when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition;
and the brightness adjusting unit is used for adjusting the brightness of the illuminating lamp according to the brightness adjusting value.
As a preferred scheme, the image acquisition module specifically includes:
the brightness value acquisition unit is used for acquiring the brightness value of the current environment light of the cooking bench, which is acquired by the environment sensor;
and the image acquisition unit is used for acquiring the image of the current cooking bench when the brightness value of the ambient light of the current cooking bench acquired by the ambient sensor is judged to accord with a preset first brightness value.
In order to solve the same technical problem, an embodiment of the invention further provides a range hood system, which comprises a range hood, a lamp capable of adjusting color temperature and brightness, a camera and the illumination control device for the range hood, wherein the range hood and the lamp capable of adjusting color temperature and brightness are electrically connected with the illumination control device for the range hood.
The embodiment of the invention provides an illumination control method, an illumination control device and a range hood system for a range hood. According to the embodiment of the invention, the color temperature and the brightness of the illuminating lamp are automatically adjusted by collecting the image of the current cooking bench and judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with the preset working conditions according to the image of the current cooking bench, so that the ambient light of the current cooking bench meets the corresponding color temperature and brightness requirements, the accuracy of the user in judging the colors of the food materials is improved, and the user can be ensured to make delicious dishes.
Drawings
FIG. 1 is a flow chart of one embodiment of a lighting control method for a range hood provided by the present invention;
fig. 2 is a flowchart of step S12 in the embodiment of the present invention;
FIG. 3 is a flowchart of step S13 in an embodiment of the present invention;
fig. 4 is a flowchart of step S14 in the embodiment of the present invention;
FIG. 5 is a flowchart of step S11 in an embodiment of the present invention;
FIG. 6 is a block diagram of an embodiment of an illumination control apparatus for a range hood provided by the present invention;
FIG. 7 is a block diagram of a determining module according to an embodiment of the present invention;
FIG. 8 is a block diagram of a color temperature adjustment module according to an embodiment of the present invention;
fig. 9 is a block diagram of a structure of a luminance adjusting module in the embodiment of the present invention;
fig. 10 is a block diagram of the image acquisition module in the embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the flowchart of an embodiment of a lighting control method for a range hood provided by the present invention includes the steps of:
s11, acquiring an image of the current cooking bench;
s12, judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions or not according to the image of the current cooking bench;
s13, when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, adjusting the color temperature of the illuminating lamp;
and S14, when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, the brightness of the illuminating lamp is adjusted.
In a specific implementation, whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working condition or not may be determined by determining whether the color temperature value of the ambient light of the current cooking bench conforms to the preset color temperature value or not and determining whether the brightness value of the ambient light of the current cooking bench conforms to the preset second brightness value or not, so:
the step S12 is specifically: judging whether the color temperature value of the ambient light of the current cooking bench accords with a preset color temperature value or not according to the image of the current cooking bench and judging whether the brightness of the ambient light of the current cooking bench accords with a preset second brightness value or not;
the step S13 is specifically: when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset color temperature value, adjusting the color temperature of the illuminating lamp;
the step S14 is specifically: and when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset second brightness value, the brightness of the illuminating lamp is adjusted.
In the embodiment of the invention, the lighting control method for the range hood collects the image of the current cooking bench, and automatically adjusts the color temperature and the brightness of the lighting lamp when the color temperature value and the brightness value of the ambient light of the current cooking bench are judged to be not in accordance with the preset working conditions according to the image of the current cooking bench, so that the ambient light of the current cooking bench meets the corresponding color temperature and brightness requirements, the accuracy of the user in judging the colors of the food materials is improved, and the user can make delicious dishes.
In the embodiment of the present invention, in order to accurately determine whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working conditions according to the image of the current cooking bench and adjust the color temperature and the brightness of the illumination lamp in time, it is preferable that:
the step S11 in this embodiment specifically includes: collecting an image of a white block on a current cooking bench; further, the step S11 in this embodiment is further: acquiring an image of a white block on the current cooking bench through a camera;
the step S12 in this embodiment specifically includes: and judging whether the color temperature value of the ambient light of the current cooking bench accords with a preset color temperature value or not according to the image of the white color block on the current cooking bench and judging whether the brightness of the ambient light of the current cooking bench accords with a preset second brightness value or not.
As shown in fig. 2, in order to accurately determine whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working conditions, and adjust the color temperature and the brightness of the illumination lamp in time, the step S12 in this embodiment specifically includes the steps of:
s121, acquiring a pixel color value of an image of the current cooking bench;
s122, calculating a color difference value between the pixel color value of the image of the current hearth and the pixel color value of the preset image of the hearth;
s123, when the absolute value of the color difference is smaller than or equal to a preset color difference threshold, judging that the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions;
and S124, when the absolute value of the color difference value is larger than a preset color difference value threshold value, judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with preset working conditions.
In the embodiment of the invention, on the basis of obtaining the pixel color value of the current image, the color difference value between the pixel color value of the current image of the cooking bench and the pixel color value of the preset image of the cooking bench is calculated, and whether the color temperature value and the brightness value of the ambient light of the current cooking bench accord with the preset working condition is judged by comparing the absolute value of the color difference value with the preset color difference threshold value, so that whether the color temperature value and the brightness value of the ambient light of the current cooking bench accord with the preset working condition can be accurately judged, and the color temperature and the brightness of the illuminating lamp can be adjusted in time.
As shown in fig. 3, in order to accurately adjust the color temperature of the illumination lamp to ensure that the color temperature of the ambient light of the current cooking bench meets the corresponding color temperature requirement, the step S13 in this embodiment specifically includes the steps of:
s131, when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, obtaining a corresponding color temperature adjusting value according to the color difference value by inquiring a relation table of the color temperature adjusting value and the color difference value;
and S132, adjusting the color temperature of the illuminating lamp according to the color temperature adjusting value.
In the embodiment of the invention, when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, the color temperature of the illuminating lamp is accurately adjusted by inquiring the relation table of the color temperature adjusting value and the color difference value and obtaining the corresponding color temperature adjusting value according to the color difference value, so that the color temperature of the ambient light of the current cooking bench is ensured to accord with the corresponding color temperature requirement, and further, the user can be ensured to accurately judge the color of the food material.
As shown in fig. 4, in order to accurately adjust the brightness of the illumination lamp to ensure that the brightness of the ambient light of the current cooking bench meets the corresponding brightness requirement, the step S14 in this embodiment specifically includes the steps of:
s141, when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, obtaining a corresponding brightness adjusting value according to the color difference value by inquiring a relation table of the brightness adjusting value and the color difference value;
and S142, adjusting the brightness of the illuminating lamp according to the brightness adjusting value.
In the embodiment of the invention, when the brightness of the ambient light of the current cooking bench is judged not to accord with the preset working condition, the brightness of the illuminating lamp is accurately adjusted by inquiring the relation table of the brightness adjusting value and the color difference value and obtaining the corresponding brightness adjusting value according to the color difference value, so that the brightness of the ambient light of the current cooking bench is ensured to accord with the corresponding brightness requirement, and further, the user is ensured to be capable of accurately judging the color of the food material.
As shown in fig. 5, in order to accurately acquire the image of the current cooktop, the step S11 in this embodiment specifically includes the steps of:
s111, acquiring the brightness value of the ambient light of the current cooking bench, which is acquired by an ambient sensor;
and S112, when the brightness value of the current environment light of the cooking bench, which is acquired by the environment sensor, is judged to accord with a preset first brightness value, acquiring the image of the current cooking bench.
In the embodiment of the invention, the brightness of the current environment light of the cooking bench is acquired through the environment sensor, and the image of the current cooking bench is acquired only when the environment light of the current cooking bench acquired by the environment sensor accords with the preset first brightness value, so that the image of the current cooking bench is acquired under the preset first brightness value, and the image of the current cooking bench can be accurately acquired. In addition, when the brightness value of the ambient light of the current cooking bench collected by the environment sensor does not accord with a preset first brightness value, the user can adjust the brightness of the illuminating lamp first so as to more effectively acquire the image of the current cooking bench.
In order to solve the same technical problem, the embodiment of the invention also provides an illumination control device for the range hood. As shown in fig. 6, it is a block diagram of an embodiment of an illumination control apparatus for a range hood provided in the present invention, including:
the image acquisition module 11 is used for acquiring an image of the current cooking bench;
the judging module 12 is configured to judge whether a color temperature value and a brightness value of ambient light of the current cooking bench meet preset working conditions according to the image of the current cooking bench;
the color temperature adjusting module 13 is configured to adjust a color temperature of the illumination lamp when it is determined that the color temperature value of the ambient light of the current cooking bench does not meet a preset working condition;
and the brightness adjusting module 14 is configured to adjust the brightness of the illumination lamp when it is determined that the brightness value of the ambient light of the current cooking bench does not meet the preset working condition.
In a specific implementation, the determining module 12 may determine whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working condition by determining whether the color temperature value of the ambient light of the current cooking bench conforms to the preset color temperature value and determining whether the brightness value of the ambient light of the current cooking bench conforms to the preset second brightness value, and then:
the judging module 12 is specifically configured to: judging whether the color temperature value of the ambient light of the current cooking bench accords with a preset color temperature value or not according to the image of the current cooking bench and judging whether the brightness of the ambient light of the current cooking bench accords with a preset second brightness value or not;
the color temperature adjusting module 13 is specifically configured to: when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset color temperature value, adjusting the color temperature of the illuminating lamp;
the brightness adjustment module 14 is specifically configured to: and when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset second brightness value, the brightness of the illuminating lamp is adjusted.
In the embodiment of the present invention, firstly, the image of the current cooking bench is collected by the image collection module 11, then, the judgment module 12 judges whether the color temperature value and the brightness value of the ambient light of the current cooking bench meet the preset working conditions according to the image of the current cooking bench, and finally, the color temperature of the illumination lamp is adjusted by the color temperature adjustment module 13 when the color temperature value of the ambient light of the current cooking bench does not meet the preset working conditions, and the brightness of the illumination lamp is adjusted by the brightness adjustment module 14 when the brightness value of the ambient light of the current cooking bench does not meet the preset working conditions. The illumination control device for the range hood is characterized in that the image acquisition module 11 acquires the graph of the current cooking bench, and when the color temperature value and the brightness value of the ambient light of the current cooking bench are judged to be not in accordance with the preset working conditions according to the image of the current cooking bench, the color temperature and the brightness of the illuminating lamp are respectively and automatically adjusted by the color temperature adjusting module 13 and the brightness adjusting module 14, so that the ambient light of the current cooking bench meets the corresponding color temperature and brightness requirements, the accuracy of the user in judging the colors of the food materials is improved, and the user can be further ensured to make delicious dishes.
In the embodiment of the present invention, in order to accurately determine whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working conditions according to the image of the current cooking bench collected by the image collection module 11, and adjust the color temperature and the brightness of the illumination lamp in time, it is preferable that:
the image acquisition module 11 in this embodiment is specifically configured to: collecting an image of a white block on a current cooking bench; still further, the image capturing module 11 in this embodiment is further configured to: acquiring an image of a white block on the current cooking bench through a camera;
the determining module 12 in this embodiment is specifically configured to: and judging whether the color temperature value of the ambient light of the current cooking bench accords with a preset color temperature value or not according to the image of the white color block on the current cooking bench and judging whether the brightness of the ambient light of the current cooking bench accords with a preset second brightness value or not.
As shown in fig. 7, in order to accurately determine whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working condition, and adjust the color temperature and the brightness of the illumination lamp in time, the determining module 12 in this embodiment specifically includes:
a pixel color value obtaining unit 121, configured to obtain a pixel color value of an image of a current cooktop;
a calculating unit 122, configured to calculate a color difference between a pixel color value of the current image of the cooktop and a pixel color value of a preset image of the cooktop;
a first determination unit 123, configured to determine that a color temperature value and a brightness value of the ambient light of the current cooking bench conform to preset working conditions when an absolute value of the color difference is less than or equal to a preset color difference threshold;
the second determining unit 124 is configured to determine that the color temperature value and the brightness value of the ambient light of the current cooking bench do not meet the preset working condition when the absolute value of the color difference is greater than the preset color difference threshold.
In the embodiment of the present invention, on the basis of acquiring the pixel color value of the current image by the pixel color value acquiring unit 121, the calculating unit 122 calculates the color difference between the pixel color value of the current image of the cooking bench and the pixel color value of the preset image of the cooking bench, and determines whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working condition by comparing the absolute value of the color difference with the preset color difference threshold, so as to ensure that whether the color temperature value and the brightness value of the ambient light of the current cooking bench conform to the preset working condition can be accurately determined, and the color temperature and the brightness of the illumination lamp can be adjusted in time.
As shown in fig. 8, in order to accurately adjust the color temperature of the illumination lamp to ensure that the color temperature of the ambient light of the current cooking bench meets the corresponding color temperature requirement, the color temperature adjusting module 13 in this embodiment specifically includes:
a color temperature adjustment value obtaining unit 131, configured to, when it is determined that the color temperature value of the ambient light of the current cooking bench does not meet the preset working condition, obtain a corresponding color temperature adjustment value according to the color difference value by querying a relation table of the color temperature adjustment value and the color difference value;
and a color temperature adjusting unit 132 for adjusting the color temperature of the illumination lamp according to the color temperature adjusting value.
In the embodiment of the present invention, when the color temperature value of the ambient light of the current cooking bench is determined not to meet the preset working condition by the color temperature adjustment value obtaining unit 131, the color temperature of the illumination lamp is accurately adjusted by the color temperature adjusting unit 132 by querying the relation table between the color temperature adjustment value and the color difference value and obtaining the corresponding color temperature adjustment value according to the color difference value, so as to ensure that the color temperature of the ambient light of the current cooking bench meets the corresponding color temperature requirement, thereby further ensuring that the user can accurately judge the color of the food material.
As shown in fig. 9, in order to accurately adjust the brightness of the illumination lamp to ensure that the brightness of the ambient light of the current cooking bench meets the corresponding brightness requirement, the brightness adjusting module 14 in this embodiment specifically includes:
a brightness adjustment value obtaining unit 141, configured to, when it is determined that the brightness value of the ambient light of the current cooking bench does not meet the preset working condition, obtain a corresponding brightness adjustment value according to the color difference value by querying a relation table between the brightness adjustment value and the color difference value;
and a brightness adjusting unit 142 for adjusting the brightness of the illumination lamp according to the brightness adjusting value.
In the embodiment of the present invention, when the brightness adjustment obtaining unit 141 determines that the brightness of the ambient light of the current cooking bench does not meet the preset working condition, the brightness adjustment obtaining unit 142 accurately adjusts the brightness of the illumination lamp by querying the relationship table between the brightness adjustment value and the color difference value and obtaining the corresponding brightness adjustment value according to the color difference value, so as to ensure that the brightness of the ambient light of the current cooking bench meets the corresponding brightness requirement, and further ensure that the user can accurately judge the color of the food material.
As shown in fig. 10, in order to accurately acquire an image of a current cooking bench, the image acquisition module 11 in this embodiment specifically includes:
a brightness value obtaining unit 111, configured to obtain a brightness value of the ambient light of the current cooking bench, which is collected by the ambient sensor;
an image collecting unit 112, configured to collect an image of the current cooking bench when it is determined that the brightness value of the ambient light of the current cooking bench collected by the ambient sensor matches a preset first brightness value.
In the embodiment of the present invention, the brightness value acquiring unit 111 acquires the brightness of the ambient light of the current cooking bench through the ambient sensor, and acquires the image of the current cooking bench through the image acquiring unit 112 only when the ambient light of the current cooking bench, which is acquired by the ambient sensor, conforms to the preset first brightness value, so as to ensure that the image of the current cooking bench is acquired at the preset first brightness value, thereby ensuring that the image of the current cooking bench can be accurately acquired. In addition, when the brightness value of the ambient light of the current cooking bench collected by the environment sensor does not accord with a preset first brightness value, the user can adjust the brightness of the illuminating lamp first so as to more effectively acquire the image of the current cooking bench.
In order to solve the same technical problem, an embodiment of the invention further provides a range hood system, which comprises a range hood, a lamp capable of adjusting color temperature and brightness, a camera and the illumination control device for the range hood, wherein the range hood and the lamp capable of adjusting color temperature and brightness are electrically connected with the illumination control device for the range hood.
In addition, in the embodiment of the present invention, it should be noted that the range hood system further includes an environment sensor and a white block disposed on the cooking bench, and the environment sensor is electrically connected to the illumination control device for the range hood.
The embodiment of the invention provides an illumination control method, an illumination control device and a range hood system for a range hood. According to the embodiment of the invention, the color temperature and the brightness of the illuminating lamp are automatically adjusted by collecting the graph of the current cooking bench and judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with the preset working conditions according to the image of the current cooking bench, so that the ambient light of the current cooking bench meets the corresponding color temperature and brightness requirements, the accuracy of the user in judging the colors of the food materials is improved, and the user can make delicious dishes.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A lighting control method for a range hood is characterized by comprising the following steps:
collecting an image of a current cooking bench;
judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions or not according to the image of the current cooking bench;
when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, adjusting the color temperature of the illuminating lamp;
when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, the brightness of the illuminating lamp is adjusted;
the method comprises the following steps of judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions or not according to the image of the current cooking bench, and specifically comprising the following steps:
acquiring a pixel color value of an image of a current cooking bench;
calculating a color difference value between the pixel color value of the image of the current hearth and the pixel color value of the preset image of the hearth;
when the absolute value of the color difference value is smaller than or equal to a preset color difference value threshold value, judging that the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions;
when the absolute value of the color difference value is larger than a preset color difference value threshold value, judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with preset working conditions;
wherein, be equipped with white color piece on the top of a kitchen range, then gather the image of current top of a kitchen range, specifically do: and acquiring an image of the white block on the current cooking bench.
2. The lighting control method for the range hood according to claim 1, wherein when it is determined that the color temperature value of the ambient light of the current cooking bench does not meet the preset working condition, the color temperature of the illuminating lamp is adjusted, specifically comprising the steps of:
when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, obtaining a corresponding color temperature adjusting value according to the color difference value by inquiring a relation table of the color temperature adjusting value and the color difference value;
and adjusting the color temperature of the illuminating lamp according to the color temperature adjusting value.
3. The lighting control method for the range hood according to claim 1, wherein when it is determined that the brightness value of the ambient light of the current cooktop does not meet the preset working condition, the brightness of the illumination lamp is adjusted, specifically comprising the steps of:
when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition, obtaining a corresponding brightness adjusting value according to the color difference value by inquiring a relation table of the brightness adjusting value and the color difference value;
and adjusting the brightness of the illuminating lamp according to the brightness adjusting value.
4. A lighting control method for a range hood according to any of claims 1 to 3, wherein said acquiring an image of a current cooktop specifically comprises the steps of:
acquiring the brightness value of the ambient light of the current cooking bench, which is acquired by an ambient sensor;
and when the brightness value of the ambient light of the current cooking bench acquired by the ambient sensor is judged to accord with a preset first brightness value, acquiring the image of the current cooking bench.
5. An illumination control device for a range hood, comprising:
the image acquisition module is used for acquiring an image of the current cooking bench;
the judging module is used for judging whether the color temperature value and the brightness value of the ambient light of the current cooking bench meet preset working conditions or not according to the image of the current cooking bench;
the color temperature adjusting module is used for adjusting the color temperature of the illuminating lamp when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition;
the brightness adjusting module is used for adjusting the brightness of the illuminating lamp when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition;
the judging module specifically comprises:
the device comprises a pixel color value acquisition unit, a pixel color value acquisition unit and a pixel color value acquisition unit, wherein the pixel color value acquisition unit is used for acquiring the pixel color value of the image of the current cooking bench;
the calculating unit is used for calculating a color difference value between the pixel color value of the image of the current cooking bench and the pixel color value of the preset image of the cooking bench;
the first judgment unit is used for judging that the color temperature value and the brightness value of the ambient light of the current cooking bench accord with preset working conditions when the absolute value of the color difference value is smaller than or equal to a preset color difference value threshold;
the second judging unit is used for judging that the color temperature value and the brightness value of the ambient light of the current cooking bench do not accord with preset working conditions when the absolute value of the color difference value is larger than a preset color difference value threshold;
the image acquisition module is specifically used for acquiring images of the white blocks on the current cooking bench.
6. The lighting control device for a range hood according to claim 5, wherein the color temperature adjusting module specifically comprises:
the color temperature adjusting value obtaining unit is used for obtaining a corresponding color temperature adjusting value according to the color difference value by inquiring a relation table of the color temperature adjusting value and the color difference value when the color temperature value of the ambient light of the current cooking bench is judged not to accord with the preset working condition;
and the color temperature adjusting unit is used for adjusting the color temperature of the illuminating lamp according to the color temperature adjusting value.
7. The lighting control device for a range hood according to claim 5, wherein the brightness adjusting module specifically comprises:
the device comprises a brightness adjustment value obtaining unit, a brightness adjustment value calculating unit and a color difference value calculating unit, wherein the brightness adjustment value obtaining unit is used for obtaining a corresponding brightness adjustment value according to a color difference value by inquiring a relation table of the brightness adjustment value and the color difference value when the brightness value of the ambient light of the current cooking bench is judged not to accord with the preset working condition;
and the brightness adjusting unit is used for adjusting the brightness of the illuminating lamp according to the brightness adjusting value.
8. An illumination control device for a range hood according to any one of claims 5 to 7, wherein the image acquisition module specifically comprises:
the brightness value acquisition unit is used for acquiring the brightness value of the current environment light of the cooking bench, which is acquired by the environment sensor;
and the image acquisition unit is used for acquiring the image of the current cooking bench when the brightness value of the ambient light of the current cooking bench acquired by the ambient sensor is judged to accord with a preset first brightness value.
9. A lampblack absorber system, characterized in that, including lampblack absorber, adjustable colour temperature and luminance lamp, camera, white piece and according to any claim 5-8 for the lighting control device of lampblack absorber, the lampblack absorber with adjustable colour temperature and luminance lamp with the lighting control device electricity for lampblack absorber is connected, the white piece sets up on the top of a kitchen range.
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| CN201810287440.8A CN108282949B (en) | 2018-04-03 | 2018-04-03 | Lighting control method and lighting control device for range hood and range hood system |
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| TWI668394B (en) * | 2018-08-22 | 2019-08-11 | 台灣櫻花股份有限公司 | Range hood with selectable lighting color temperature |
| CN111351078B (en) * | 2018-12-20 | 2022-05-03 | 九阳股份有限公司 | Lampblack identification method of range hood and range hood |
| CN111664483B (en) * | 2019-03-07 | 2022-08-09 | 九阳股份有限公司 | Image acquisition method of range hood and range hood |
| CN111315071B (en) * | 2020-02-28 | 2021-04-27 | 广东精装照明有限公司 | LED intelligent control method and system |
| CN114501738A (en) * | 2020-10-27 | 2022-05-13 | 博西华电器（江苏）有限公司 | Household appliance and lighting control method thereof |
| CN115507402B (en) * | 2022-09-26 | 2024-04-26 | 杭州老板电器股份有限公司 | Lamplight control method based on infrared temperature measurement range hood |
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| US20110062888A1 (en) * | 2004-12-01 | 2011-03-17 | Bondy Montgomery C | Energy saving extra-low voltage dimmer and security lighting system wherein fixture control is local to the illuminated area |
| CN104363676B (en) * | 2014-10-28 | 2017-10-20 | 许敏 | A kind of LED operation shadowless lamp systems of the permanent photocontrol of fully-automatic intelligent |
| CN104981077B (en) * | 2015-07-20 | 2018-07-03 | 联想(北京)有限公司 | Color temperature control method, colour temperature control device and electronic equipment |
| CN107172745B (en) * | 2017-06-05 | 2019-04-30 | 广州视源电子科技股份有限公司 | Colour temperature Automatic adjustment method, device and lamp mirror |
| CN107509287A (en) * | 2017-08-17 | 2017-12-22 | 广州视源电子科技股份有限公司 | Adjust method and device, Intelligent illumination device and the storage medium of light |
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