CN-122028270-A - Range hood and illumination control method thereof

CN122028270ACN 122028270 ACN122028270 ACN 122028270ACN-122028270-A

Abstract

The application relates to a range hood and an illumination control method thereof, wherein an illumination system is arranged at the bottom of the range hood and comprises a plurality of illumination areas, user data in a cooking operation area corresponding to the range hood is determined, the user data comprise eye position data and sight line direction data, a first illumination area and a second illumination area are determined from the plurality of illumination areas according to the eye position data and the sight line direction data, illumination control data corresponding to the first illumination area and the second illumination area respectively are respectively adjusted according to the illumination control data corresponding to the first illumination area and the second illumination area respectively, illumination control is carried out on the illumination system according to the illumination data corresponding to the adjusted first illumination area and the adjusted second illumination area respectively, and illumination parameters of the illumination areas can be adaptively adjusted, so that illumination effects can be matched with current use scenes, and convenience in illumination adjustment is improved.

Inventors

XIANG CHAO

Assignees

宁波方太厨具有限公司

Dates

Publication Date: 20260512
Application Date: 20260203

Claims (10)

1. The lighting control method of the range hood is characterized in that a lighting system is arranged at the bottom of the range hood and comprises a plurality of lighting areas, and the method comprises the following steps: Determining user data in a cooking operation area corresponding to the range hood, wherein the user data comprises eye position data and sight direction data; Determining a first illumination area and a second illumination area from the plurality of illumination areas and illumination control data corresponding to the first illumination area and the second illumination area respectively according to the eye position data and the sight line direction data, wherein an included angle formed by optical axis data of an illumination light source in the first illumination area and the sight line direction data is smaller than a preset angle threshold value, and the second illumination area is an area except the first illumination area in the illumination system; Respectively adjusting the illumination data corresponding to the first illumination area and the second illumination area according to the illumination control data corresponding to the first illumination area and the second illumination area respectively; And controlling the illumination of the illumination system according to the adjusted illumination data corresponding to the first illumination area and the second illumination area.
2. The method of claim 1, wherein each of the plurality of illumination areas is provided with an illumination source and a reflector surrounding the illumination source, wherein the determining a first illumination area and a second illumination area from the plurality of illumination areas, and the illumination control data for each of the first illumination area and the second illumination area, based on the eye position data and the gaze direction data, comprises: determining optical axis data corresponding to the illumination sources in each illumination area; Determining the first illumination area and the second illumination area according to the sight line direction data and the optical axis data; And determining first illumination control data corresponding to the first illumination area and second illumination control data corresponding to the second illumination area according to the eye position data, wherein the first illumination control data comprises first light source brightness adjustment data and first reflection cover angle adjustment data, and the second illumination control data comprises second light source brightness adjustment data and second reflection cover angle adjustment data.
3. The method according to claim 2, wherein determining first illumination control data corresponding to the first illumination area and second illumination control data corresponding to the second illumination area from the eye position data comprises: When the eye position data meets a preset distance condition, determining the brightness of a corresponding illumination light source in the first illumination area as first light source brightness adjustment data, determining the angle of a corresponding reflecting cover in the first illumination area as first reflecting cover angle adjustment data, determining the brightness of a corresponding illumination light source in the second illumination area as second light source brightness adjustment data, and determining the angle of a corresponding reflecting cover in the second illumination area as second reflecting cover angle adjustment data; The first light source brightness adjustment data are smaller than target light source brightness, the second light source brightness adjustment data are larger than the target light source brightness, and the target light source brightness is standard brightness corresponding to the illumination light source.
4. The method according to claim 3, wherein the determining, from the eye position data, first illumination control data corresponding to the first illumination area and second illumination control data corresponding to the second illumination area, further comprises: And when the eye position data does not meet the preset distance condition, determining the brightness of the corresponding illumination light source in the first illumination area and the brightness of the corresponding illumination light source in the second illumination area as target light source brightness, and determining the angle of the corresponding reflecting cover in the first illumination area and the angle of the corresponding reflecting cover in the second illumination area as target reflecting angle, wherein the target reflecting angle is a standard angle corresponding to the reflecting cover.
5. The method of claim 2, wherein the illumination control data includes light source brightness adjustment data and reflector angle adjustment data, and wherein adjusting the illumination data for each of the first illumination region and the second illumination region based on the illumination control data for each of the first illumination region and the second illumination region, respectively, comprises: according to a first preset increment, controlling the light source brightness adjustment data corresponding to the first illumination area to gradually adjust from the current brightness value to a first target brightness value; according to a second preset increment, controlling the light source brightness adjustment data corresponding to the second illumination area to gradually adjust from the current brightness value to a second target brightness value; According to a third preset increment, controlling the angle adjustment data of the reflecting cover corresponding to the first illumination area to gradually adjust from the current angle value to a first target angle value; And according to a fourth preset increment, controlling the angle adjustment data of the reflecting cover corresponding to the second illumination area to gradually adjust from the current angle value to a second target angle value.
6. The method of claim 2, wherein the range hood comprises a plurality of operator floor areas disposed in one-to-one correspondence with the plurality of illumination areas, and wherein the method further comprises: The illumination corresponding to each of the plurality of operation table top areas is monitored in real time, and illumination data corresponding to each of the plurality of operation table top areas is obtained; Determining light compensation data corresponding to each operation table surface area according to a preset illuminance threshold value and illuminance data corresponding to each operation table surface area; and adjusting the brightness of each illumination light source in each illumination area according to the light compensation data corresponding to each operation table area.
7. The method of claim 6, wherein determining the respective light compensation data for each of the plurality of operator surface areas based on the preset illumination threshold and the respective illumination data for the plurality of operator surface areas, comprises: Determining a first operation table surface area opposite to the first illumination area, and determining a second operation table surface area opposite to the second illumination area; when the illuminance data corresponding to the first operation table surface area is smaller than the preset illuminance threshold value, performing difference processing on the illuminance data corresponding to the first operation table surface area and the preset illuminance threshold value to obtain light loss data corresponding to the first operation table surface area; Determining target light source brightness adjustment data based on the light loss data and a preset loss brightness relationship, wherein the preset loss brightness relationship is a corresponding relationship between light loss and brightness; and determining light compensation data corresponding to the second illumination area opposite to the second operation table area as the target light source brightness adjustment data.
8. The method of claim 1, wherein the determining the user data in the cooking operation area corresponding to the range hood comprises: Acquiring relative orientation data of a user with respect to the lighting system when the user is detected to be located in the cooking operation area; and determining the eye position data and the sight line direction data according to the relative azimuth data.
9. The method according to claim 1, wherein the method further comprises: detecting ambient illuminance data in the kitchen space, cooking data of the cooking operation table and user activity data of the cleaning area; and determining a lighting control mode of the range hood according to the ambient illuminance data, the cooking data and the user activity data, wherein the lighting control mode comprises a cooking mode, a cleaning mode and a night mode.
10. A range hood, characterized in that the range hood comprises a controller and a lighting system, the lighting system is arranged at the bottom of the range hood, and the controller is used for executing the lighting control method of the range hood according to any one of claims 1-9.

Description

Range hood and illumination control method thereof Technical Field The application relates to the technical field of range hoods, in particular to a range hood and an illumination control method thereof. Background The existing range hood illuminating lamp usually adopts an LED lamp strip or a halogen bulb with fixed brightness to realize illumination, or is controlled by a manual switch, or is provided with a touch dimming function, or is provided with an induction illumination function, so that the illumination function is realized, but when the LED lamp strip with fixed brightness is adopted, the self-adaptive brightness adjustment cannot be realized in the cooking process in the mode, and secondly, when the dimming function needs manual operation of a user, the user is busy with the operation of both hands in the actual cooking process, the illumination brightness is difficult to adjust in time, and furthermore, the existing induction type illuminating system can only realize simple switch control, namely, the lamp is on when the user cooks, the lamp is off when the cooking is finished, and the illumination effect cannot be adapted to a specific use scene difficultly. Disclosure of Invention In order to solve the technical problems that the prior art cannot realize self-adaptive brightness adjustment, so that the lighting effect is difficult to adapt to a specific use scene, and the adjustment is complicated, the adjustment is inconvenient and the effect is inaccurate, the embodiment of the application provides a range hood and a technical scheme of a lighting control method thereof, according to eye position data and sight line direction data, the first illumination area and the second illumination area are determined from the plurality of illumination areas, and illumination control data corresponding to the first illumination area and the second illumination area respectively are determined, so that the first illumination area and the second illumination area are subjected to partition control according to the illumination control data corresponding to the first illumination area and the second illumination area respectively, the illumination effect can be adapted to the current use scene, and the convenience of illumination adjustment is improved. In one aspect, an embodiment of the present application provides a lighting control method for a range hood, where a lighting system is provided at a bottom of the range hood, and the lighting system includes a plurality of lighting areas, and the method includes: Determining user data in a cooking operation area corresponding to the range hood, wherein the user data comprises eye position data and sight direction data; Determining a first illumination area and a second illumination area from the plurality of illumination areas and illumination control data corresponding to the first illumination area and the second illumination area respectively according to the eye position data and the sight line direction data, wherein an included angle formed by optical axis data of an illumination light source in the first illumination area and the sight line direction data is smaller than a preset angle threshold value, and the second illumination area is an area except the first illumination area in the illumination system; Respectively adjusting the illumination data corresponding to the first illumination area and the second illumination area according to the illumination control data corresponding to the first illumination area and the second illumination area respectively; And controlling the illumination of the illumination system according to the adjusted illumination data corresponding to the first illumination area and the second illumination area. Further, each of the plurality of illumination areas is provided with an illumination light source and a reflecting cover sleeved outside the illumination light source, the first illumination area and the second illumination area are determined from the plurality of illumination areas according to the eye position data and the line-of-sight direction data, and illumination control data corresponding to the first illumination area and the second illumination area respectively include: determining optical axis data corresponding to the illumination sources in each illumination area; Determining the first illumination area and the second illumination area according to the sight line direction data and the optical axis data; And determining first illumination control data corresponding to the first illumination area and second illumination control data corresponding to the second illumination area according to the eye position data, wherein the first illumination control data comprises first light source brightness adjustment data and first reflection cover angle adjustment data, and the second illumination control data comprises second light source brightness adjustment data and second reflection cover angle adjustm