CN105101535B - Lighting device and its control method and control system - Google Patents
Lighting device and its control method and control system Download PDFInfo
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- CN105101535B CN105101535B CN201510310418.7A CN201510310418A CN105101535B CN 105101535 B CN105101535 B CN 105101535B CN 201510310418 A CN201510310418 A CN 201510310418A CN 105101535 B CN105101535 B CN 105101535B
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Abstract
The embodiment of the invention discloses a kind of lighting device and its control method and control system, the color of sent out irradiation light can be accurately adjusted according to object color.The embodiment of the present invention obtains latter detected light by the reflected light according to previous detected light, and when the colour-difference of the reflected light of former and later two detected lights is less than pre-set color difference scope, control lighting device projects irradiated object with the latter detected light.Realize no matter how the color of irradiated object changes, or even when color change is very trickle, can also automatically derive color and carry out prolonged exposure object with its detected light most coordinated.
Description
Technical field
The present invention relates to lighting technical field, more particularly to a kind of lighting device and its control method and control system.
Background technology
With the fast development of lighting engineering, illumination is no longer limited to already so that irradiated object is only illuminated, and
It is to upgrade to a kind of light efficiency mutually coordinated with the object color that applies to irradiated object with the technology of lifting object perception.It is this
Lighting device is due to that can be directed to the irradiated object of different colours come the color of its irradiation light of accommodation so that different face
The object of color can reach perception lifting, more be paid attention in the industry.
In the prior art, the color of accommodation lighting device institute irradiation light is typically carried out as follows：
S1, startup lighting device project detected light to irradiated object, obtain the reflectance spectrum of irradiated object；
S2, the color index of irradiated object is obtained according to reflectance spectrum；
S3, irradiation light list, acquisition target illumination light are inquired about according to color index；
S4, control lighting device project target illumination light to irradiated object.
Wherein, because the color of irradiated object is random, its possible color category order of magnitude is huge, to object
It is unpractical that each color, which configures a kind of irradiation light of particular color,.Irradiation light list in step S2 typically can be by object
Possible color gamut is divided into multiple color intervals, then configures a kind of irradiation light of particular color to each color interval.
After obtaining a color index, its color interval is obtained, and then determine target illumination light.
However, it is found by the inventors that at least there are the following problems in the prior art：
Because each color interval has a variety of different types of colors in irradiation light list, single irradiation light must nothing
Method reaches coordination with color all in the color interval, causes adaptively to adjust lighting device institute according to irradiation light list
The precision of the irradiation light color sent is poor.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of lighting device and its control method and control system, can be according to thing
Body color accurately adjusts the color of sent out irradiation light.
To achieve these goals, there is provided a kind of control method of lighting device, it includes：
Lighting device is controlled to project initial scout light to irradiated object, the initial scout light is priming color；
Obtain the color of initial reflection light of the irradiated object based on the initial scout photogenerated；
Color of object is obtained according to the color of the initial reflection light；
The lighting device is controlled to project target detected light to irradiated object, the target detected light is color of object；
Obtain the color of target reflecting light of the irradiated object based on target detecting photogenerated；
The colour-difference of the initial reflection light and target reflecting light is judged whether within the scope of pre-set color difference, if so, control
The lighting device is made to keep projecting the target detected light.
Further, the priming color is white.
Further, color of object is obtained according to the color of the initial reflection light, specifically included：
Obtain the chromaticity coordinates value of the initial reflection light；
The chromaticity coordinates value of the initial reflectance spectrum is converted to obtain target color coordinates value with default weight coefficient；
Color of object is worth to according to the target color coordinates.
Further, the chromaticity coordinates value of the initial reflectance spectrum is converted to obtain aim colour with default weight coefficient
Coordinate value, specifically include：
Irradiation module is obtained, the irradiation mode is to be default with one in optical mode and default light filling pattern；
When the irradiation mode is presets with optical mode, the color of the initial reflectance spectrum is sat with presetting weight coefficient
Scale value is increased to obtain target color coordinates value；
When the irradiation mode is default light filling pattern, the color of the initial reflectance spectrum is sat with presetting weight coefficient
Scale value is reduced to obtain target color coordinates value.
Further, the lighting device is controlled to project target detected light to irradiated object, the target detected light is
Color of object, specifically include：
Target pwm signal or target drive current value are obtained according to the color of object；
The lighting device is controlled to project mesh to irradiated object by the target pwm signal or target drive current value
Mark detected light.
Further, the control method includes：
The colour-difference of the initial reflection light and target reflecting light not within a preset range when, according to acquired target
Color updates the priming color, and returns to the control lighting device and project initial scout light to irradiated object, described first
The step of beginning detected light is priming color.
Further, the priming color is updated according to acquired color of object, specifically included：
The priming color is adjusted to identical with color of object.
Further, the pre-set color difference scope includes the color coordinate values and target reflecting light of the initial reflection light
Color coordinate values difference be less than or equal to 0.001.
To achieve these goals, there is provided a kind of control system of lighting device, it includes：
Light emitting control module, for controlling lighting device to project initial scout light, the initial scout to irradiated object
Light is priming color；
Light color acquisition module is reflected, obtains initial reflection of the irradiated object based on the initial scout photogenerated
The color of light；
Color of object acquisition module, color of object is obtained according to the color of the initial reflection light；
The light emitting control module, it is described for controlling the lighting device to project target detected light to irradiated object
Target detected light is color of object；
The reflection light color acquisition module, obtain target of the irradiated object based on target detecting photogenerated
The color of reflected light；
Colour-difference judge module, for judging the colour-difference of the initial reflection light and target reflecting light whether in default face
In the range of aberration；
The light emitting control module, for when the colour-difference of the initial reflection light and target reflecting light it is poor in pre-set color
In the range of when, control the lighting device to keep projecting the target detected light.
Further, the priming color is white.
Further, the color of object acquisition module, is specifically included：
Chromaticity coordinates value acquisition submodule, obtain the chromaticity coordinates value of the initial reflection light；
Chromaticity coordinates value weights submodule, and the chromaticity coordinates value of the initial reflectance spectrum is converted with default weight coefficient
Obtain target color coordinates value；
Chromaticity coordinates value transform subblock, color of object is worth to according to the target color coordinates.
Further, the chromaticity coordinates value weighting submodule, is specifically used for：
Target illumination pattern is obtained, the target illumination pattern is to be default with one in optical mode and default light filling pattern；
When the target illumination pattern is presets with optical mode, with default weight coefficient to the initial reflectance spectrum
Chromaticity coordinates value is increased to obtain target color coordinates value；
When the target illumination pattern is default light filling pattern, with default weight coefficient to the initial reflectance spectrum
Chromaticity coordinates value is reduced to obtain target color coordinates value.
Further, the light emitting control module, is specifically used for：
Target pwm signal or target drive current value are obtained according to the color of object；
The lighting device is controlled to project mesh to irradiated object by the target pwm signal or target drive current value
Mark detected light.
Further, the control system includes：
Color update module, for when the initial reflection light and target reflecting light colour-difference not within a preset range
When, the priming color is updated according to acquired color of object.
Further, the color update module, is specifically used for：
The priming color is adjusted to identical with color of object.
Further, the pre-set color difference scope includes the color coordinate values and target reflecting light of the initial reflection light
Color coordinate values difference be less than or equal to 0.001.
To achieve these goals, there is provided a kind of lighting device, it includes：
Light emitting source；
Power source drive unit, the electric power of the light emitting source is supplied for adjusting；And
Control system as described in foregoing summary, the control system and the light emitting source, driver element and power supply
It is electrically connected with.
Technical scheme provided in an embodiment of the present invention, the embodiment of the present invention pass through according to previous detected light more than
Reflected light obtains latter detected light, when the colour-difference of the reflected light of former and later two detected lights is less than pre-set color difference scope,
Control lighting device projects irradiated object with the latter detected light.Realize no matter how the color of irradiated object changes,
When even color change is very trickle, it can also automatically derive color and carry out prolonged exposure object with its detected light most coordinated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in invention, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the control method of lighting device in the embodiment of the present invention；
Fig. 2 is to obtain mesh according to the color of the initial reflection light in the control method of lighting device in the embodiment of the present invention
Mark the particular flow sheet of color；
Fig. 3 is the module map of the control system of lighting device in the embodiment of the present invention；
Fig. 4 is the module map of color of object acquisition module in the control system of lighting device in the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of lighting device and its control method and control system.
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to protection of the present invention
Scope.
The difference of the color of irradiated object is obtained to adjust lighting device institute by projecting detected light in the prior art
During sending out irradiation light, it is understood that there may be the problem of precision for the irradiation light color that adjustment lighting device is sent is poor.This hair
Bright embodiment provides a kind of control method for the lighting device for solving foregoing problems, and this method is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the control method of lighting device in the embodiment of the present invention, and the executive agent of the control method can
To be mounted in the control board in lighting device, a variety of members such as Micro-processor MCV, sensor are included in the control board
Part, these elements lead to the multiple element such as light emitting source, power source drive unit and power supply that may be present in lighting device
Cross wirelessly or non-wirelessly mode and realize electric connection.
Wherein, during the light emitting source of lighting device is routinely illuminated to shone thing, the control board
Periodically start aforementioned control method, during ensuring that shone thing is changed, can quickly adjust the light emitting source of lighting device
The irradiation light sent.
Aforementioned control method comprises the following steps.
S10, control lighting device project initial scout light to irradiated object, and initial scout light is priming color.
In the embodiment of the present invention, initial scout light can be projected by the light emitting source of lighting device.Starting the control
During method, the irradiation light that the light emitting source of lighting device was originally sent out is closed down in advance, then opens projection detected light.
It is, of course, also possible to built-in another independent auxiliary light emission source in lighting device, former by the light emitting source of lighting device
After the irradiation light first sent out is closed down, detected light is projected by the auxiliary light emission source, it is only necessary to fill the auxiliary light emission source and illumination
The driver element and power supply put are electrically connected with, and will not be described here.
In the embodiment of the present invention, initial scout light is chosen as white light, and the colour temperature of white light can be selected in 2000K to 30000K
Among scope, less 2500 can be also selected among 25000K scopes.Due to the spectral width of white light is wider and currently without
Other color of light are disturbed, and can more accurately obtain the reflected light of irradiated object.
Certainly, initial scout light can also use other color of light in addition to white light, only by establishing pwm signal or driving
Current value causes the light emitting source to send the detected light of pre-set color, will not be described here.
The either light emitting source by lighting device or another independent auxiliary light emission source, can use light-emitting diodes
Pipe LED utilizes RGB, RGBW light mixing way as light source, the light source passage for forming a variety of colors LED light source, mixed to be formed
Finishing arranges, and carries out build-up of luminance and brilliance control to the light source passage of each color by driver element, to realize light modulation toning work(
Energy.
The light emitting source of certain lighting device or another independent auxiliary light emission source can also use TL lamps, Halogen lamp LED etc. other
Type, it will not be described here.
S20, the color for obtaining initial reflection light of the irradiated object based on initial scout photogenerated.
, can be by setting the sensor towards irradiated object on lighting device, by this in the embodiment of the present invention
Sensor obtains the initial reflection light based on initial scout light, and is converted into the RGB telecommunications for embodying color
Number, this is technology well known to those of ordinary skill in the art, be will not be described here.
S30, according to the color of initial reflection light obtain color of object.
The color of initial reflection light embodies the color of irradiated object in itself, obtained by the color by initial reflection light
Color of the color of object with irradiated object in itself associate so that the target detected light for color of object subsequently sent
With irradiated object, gradually tend to coordinate in color.
With reference to shown in Fig. 2, in the embodiment of the present invention, abovementioned steps S30 specifically comprises the following steps；
S31, the chromaticity coordinates value for obtaining initial reflection light.
In the embodiment of the present invention, the RGB electric signal of the initial reflection light obtained by sensor can be changed
To obtain its corresponding chromaticity coordinates value, this is technology well known to those of ordinary skill in the art, be will not be described here.
S32, with default weight coefficient the chromaticity coordinates value of initial reflectance spectrum is converted to obtain target color coordinates value.
In the embodiment of the present invention, the control method of illumination apparatus includes both of which, i.e., default with optical mode and default
Light filling pattern.
It is default with optical mode under, the control method that is provided by the embodiment of the present invention is sent lighting device
Irradiation light is adjusted to basically identical with the color of irradiated object.Such as the color of irradiated object will can be shone when being yellow
The irradiation light adjustment that bright device is sent also is adjusted to yellow, to reach so that the mesh that the color of irradiated object is set off by contrast by forward direction
's.
Under default light filling pattern, the control method that is provided by the embodiment of the present invention is sent lighting device
Irradiation light is adjusted to substantially opposite with the color of irradiated object.Such as the color of irradiated object will can be shone when being yellow
The irradiation light that bright device is sent is adjusted to other colors such as the purple complementary with yellow, to reach so that irradiated object
Color be reversed the purpose set off.
It is either default still to preset light filling pattern, the face of the irradiation light sent by adjusting lighting device with optical mode
Color, it is mutually coordinated to can be achieved with the irradiation light that irradiated object and lighting device are sent, and is base so as to highlight irradiated object
Mixed colours in chromatics theoretical, this is technology well known to those of ordinary skill in the art, be will not be described here.
In the embodiment of the present invention, step S32 specifically comprises the following steps：
Target illumination pattern is obtained, irradiation mode is to be default with one in optical mode and default light filling pattern；
When target illumination pattern is presets with optical mode, to preset chromaticity coordinates value of the weight coefficient to initial reflectance spectrum
Increased to obtain target color coordinates value；
When target illumination pattern is default light filling pattern, to preset chromaticity coordinates value of the weight coefficient to initial reflectance spectrum
Reduced to obtain target color coordinates value.
Because reflected light has relative to irradiation light the decay of color, i.e., based on the reflected light obtained by a certain irradiation light
It is photochromic obviously will be basic as its irradiation light it is weak., can be by default weight coefficient to initial in the case where presetting with optical mode
The chromaticity coordinates value of reflectance spectrum is increased to obtain target color coordinates value, so as to overcome foregoing color to decay.However, mended default
Under optical mode, it should be opposite due to presetting the required irradiation light of light filling pattern with the color of irradiated object, then need
The chromaticity coordinates value of initial reflectance spectrum is reduced to obtain target color coordinates value with default weight coefficient.
Foregoing default weight coefficient can artificially be preset according to the degree for presetting share the same light optical mode and default light filling pattern,
And it is default to share the same light optical mode and the default weight coefficient needed for default light filling pattern can be set as same, it can also set
For difference.
S33, according to target color coordinates it is worth to color of object.
In the embodiment of the present invention, the RGB telecommunications for embodying color of object can be converted to chromaticity coordinates value
Number, the RGB electric signal of the initial reflection light with being obtained by sensor is changed to obtain its corresponding chromaticity coordinates value
Process is on the contrary, will not be described here.
S40, control lighting device project target detected light to irradiated object, and target detected light is color of object.
In the embodiment of the present invention, target pwm signal or target drive current value are obtained according to color of object, then pass through target
Pwm signal or target drive current value control lighting device to project target detected light to irradiated object.
S50, the color for obtaining target reflecting light of the irradiated object based on target detecting photogenerated.
, can be by setting the sensor towards irradiated object on lighting device, by this in the embodiment of the present invention
Sensor obtains the initial reflection light based on initial scout light, and is converted into the RGB telecommunications for embodying color
Number, this is technology well known to those of ordinary skill in the art, be will not be described here.
S60, the colour-difference of initial reflection light and target reflecting light is judged whether within the scope of pre-set color difference, if so, holding
Row step S70, if it is not, performing step S80
In the embodiment of the present invention, the two is judged by the difference of initial reflection light and the chromaticity coordinates value of target reflecting light
Whether colour-difference is within the scope of pre-set color difference.Wherein, the color coordinate values of pre-set color difference scope including initial reflection light and
The difference of the color coordinate values of target reflecting light is less than or equal to 0.001.
Certainly, pre-set color difference scope is not limited to foregoing 0.001 scope, and its concrete numerical value can be carried out according to demand
Setting, will not be described here.
S70, control lighting device keep projection target detected light.
It is mutually to close between any one irradiation light and the reflected light generated based on the irradiation light according to color theory
Connection, the color by obtaining reflected light can then extrapolate the color location of irradiation light.Because the color of irradiation light is
It can not gather, whether the colour-difference that can not naturally also calculate initial scout light and target detected light approaches, in initial reflection light
During with the colour-difference of target reflecting light within the scope of pre-set color difference, it is clear that can be inferred that initial scout light and target detected light
Colour-difference be also very close to.
It is either default still to preset light filling pattern with optical mode, during color of object is obtained by step S30,
Color of object is directed towards the color of the irradiation light most coordinated with irradiated object color close all the time, in initial scout light and mesh
Mark detected light colour-difference be also very close to when, show that the adjacent adjustment twice for detected light has no face for detected light
Color change, you can show that detected light has been adjusted to position, now the color of detected light and the color of irradiated object are most coordinated.
S80, priming color, and return to step S10 are updated according to acquired color of object.
The colour-difference of initial reflection light and target reflecting light not within a preset range when, show in initial scout light and mesh
The colour-difference of detected light is marked not very close to that is, detected light is not adjusted in place, then is needed with current acquired target
Color updates priming color, and returns and perform step S10 to S60, by wherein step S30 come more fresh target detected light, directly
The conclusion of the colour-difference of initial reflection light and target reflecting light within a preset range is obtained into step S60.
In the embodiment of the present invention, demand can be also specifically irradiated by basis come self-defined required irradiation light, such as
The irradiation light of pre-set color is stamped for certain part clothes, to obtain protrusion effect unique, that there is distinct personal presentation.Still
Can by control method that the embodiment of the present invention is provided come irradiation light gradually close to foregoing customized irradiation light, it is only necessary to
The adjustment target for presetting irradiation light is only the customized irradiation light, be will not be described here.
Technical scheme provided in an embodiment of the present invention, the embodiment of the present invention pass through according to previous detected light more than
Reflected light obtains latter detected light, when the colour-difference of the reflected light of former and later two detected lights is less than pre-set color difference scope,
Control lighting device projects irradiated object with the latter detected light.Realize no matter how the color of irradiated object changes,
When even color change is very trickle, it can also automatically derive the detected light that color is coordinated with it and carry out prolonged exposure object.
Fig. 3 is the module map of the control system of lighting device in the embodiment of the present invention, and the control system can pass through peace
Control board in lighting device is run, and includes a variety of members such as Micro-processor MCV, sensor in the control board
Part, these elements lead to the multiple element such as light emitting source, power source drive unit and power supply that may be present in lighting device
Cross wirelessly or non-wirelessly mode and realize electric connection.
Wherein, during the light emitting source of lighting device is routinely illuminated to shone thing, the control board
Periodically start aforementioned control method, during ensuring that shone thing is changed, can quickly adjust the light emitting source of lighting device
The irradiation light sent.
Aforementioned control system includes following module.
Light emitting control module 10, for controlling lighting device to project initial scout light, initial scout light to irradiated object
For priming color.
In the embodiment of the present invention, initial scout light can be projected by the light emitting source of lighting device.Starting the control
During system, the irradiation light that the light emitting source of lighting device was originally sent out is closed down in advance, then opens projection detected light.
It is, of course, also possible to built-in another independent auxiliary light emission source in lighting device, former by the light emitting source of lighting device
After the irradiation light first sent out is closed down, detected light is projected by the auxiliary light emission source, it is only necessary to fill the auxiliary light emission source and illumination
The driver element and power supply put are electrically connected with, and will not be described here.
In the embodiment of the present invention, initial scout light is chosen as white light, and the colour temperature of white light can be selected in 2000K to 30000K
Among scope, less 2500 can be also selected among 25000K scopes.Due to the spectral width of white light is wider and currently without
Other color of light are disturbed, and can more accurately obtain the reflected light of irradiated object.
Certainly, initial scout light can also use other color of light in addition to white light, and by establishing pwm signal or driving
Current value causes the light emitting source to send the detected light of pre-set color, will not be described here.
The either light emitting source by lighting device or another independent auxiliary light emission source, can use light-emitting diodes
Pipe LED utilizes RGB, RGBW light mixing way as light source, the light source passage for forming a variety of colors LED light source, mixed to be formed
Finishing arranges, and carries out build-up of luminance and brilliance control to the light source passage of each color by driver element, to realize light modulation toning work(
Energy.
The light emitting source of certain lighting device or another independent auxiliary light emission source can also use TL lamps, Halogen lamp LED etc. other
Type, it will not be described here.
Light color acquisition module 20 is reflected, for obtaining initial reflection light of the irradiated object based on initial scout photogenerated
Color.
, can be by setting the sensor towards irradiated object on lighting device, by this in the embodiment of the present invention
Sensor obtains the initial reflection light based on initial scout light, and is converted into the RGB telecommunications for embodying color
Number, this is technology well known to those of ordinary skill in the art, be will not be described here.
Color of object acquisition module 30, for obtaining color of object according to the color of initial reflection light.
The color of initial reflection light embodies the color of irradiated object in itself, obtained by the color by initial reflection light
Color of the color of object with irradiated object in itself associate so that the target detected light for color of object subsequently sent
With irradiated object, gradually tend to coordinate in color.
With reference to shown in Fig. 4, in the embodiment of the present invention, preceding aim color acquisition module 30 specifically includes following module；
Chromaticity coordinates value acquisition submodule 31, for obtaining the chromaticity coordinates value of initial reflection light.
In the embodiment of the present invention, the RGB electric signal of the initial reflection light obtained by sensor can be changed
To obtain its corresponding chromaticity coordinates value, this is technology well known to those of ordinary skill in the art, be will not be described here.
Chromaticity coordinates value weights submodule 32, for being changed with default weight coefficient the chromaticity coordinates value of initial reflectance spectrum
Calculation obtains target color coordinates value.
In the embodiment of the present invention, the control system of illumination apparatus includes both of which, i.e., default with optical mode and default
Light filling pattern.
It is default with optical mode under, the control system that is provided by the embodiment of the present invention is sent lighting device
Irradiation light is adjusted to basically identical with the color of irradiated object.Such as the color of irradiated object will can be shone when being yellow
The irradiation light adjustment that bright device is sent also is adjusted to yellow, to reach so that the mesh that the color of irradiated object is set off by contrast by forward direction
's.
Under default light filling pattern, the control system that is provided by the embodiment of the present invention is sent lighting device
Irradiation light is adjusted to substantially opposite with the color of irradiated object.Such as the color of irradiated object will can be shone when being yellow
The irradiation light that bright device is sent is adjusted to other colors such as the purple complementary with yellow, to reach so that irradiated object
Color be reversed the purpose set off.
It is either default still to preset light filling pattern, the face of the irradiation light sent by adjusting lighting device with optical mode
Color, it is mutually coordinated to can be achieved with the irradiation light that irradiated object and lighting device are sent, and is base so as to highlight irradiated object
Mixed colours in chromatics theoretical, this is technology well known to those of ordinary skill in the art, be will not be described here.
In the embodiment of the present invention, chromaticity coordinates value weighting submodule 32 is specifically used for：
Target illumination pattern is obtained, irradiation mode is to be default with one in optical mode and default light filling pattern；
When target illumination pattern is presets with optical mode, to preset chromaticity coordinates value of the weight coefficient to initial reflectance spectrum
Increased to obtain target color coordinates value；
When target illumination pattern is default light filling pattern, to preset chromaticity coordinates value of the weight coefficient to initial reflectance spectrum
Reduced to obtain target color coordinates value.
Because reflected light has relative to irradiation light the decay of color, i.e., based on the reflected light obtained by a certain irradiation light
It is photochromic obviously will be basic as its irradiation light it is weak., can be by default weight coefficient to initial in the case where presetting with optical mode
The chromaticity coordinates value of reflectance spectrum is increased to obtain target color coordinates value, so as to overcome foregoing color to decay.However, mended default
Under optical mode, it should be opposite due to presetting the required irradiation light of light filling pattern with the color of irradiated object, then need
The chromaticity coordinates value of initial reflectance spectrum is reduced to obtain target color coordinates value with default weight coefficient.
Foregoing default weight coefficient can artificially be preset according to the degree for presetting share the same light optical mode and default light filling pattern,
And it is default to share the same light optical mode and the default weight coefficient needed for default light filling pattern can be set as same, it can also set
For difference.
Chromaticity coordinates value transform subblock 33, specifically for being worth to color of object according to target color coordinates.
In the embodiment of the present invention, the RGB telecommunications for embodying color of object can be converted to chromaticity coordinates value
Number, the RGB electric signal of the initial reflection light with being obtained by sensor is changed to obtain its corresponding chromaticity coordinates value
Process is on the contrary, will not be described here.
Light emitting control module 10, it is additionally operable to control lighting device to project target detected light, target detecting to irradiated object
Light is color of object.
In the embodiment of the present invention, target pwm signal or target drive current value are obtained according to color of object, then pass through target
Pwm signal or target drive current value control lighting device to project target detected light to irradiated object.
Light color acquisition module 20 is reflected, is additionally operable to obtain target reflection of the irradiated object based on target detecting photogenerated
The color of light.
, can be by setting the sensor towards irradiated object on lighting device, by this in the embodiment of the present invention
Sensor obtains the initial reflection light based on initial scout light, and is converted into the RGB telecommunications for embodying color
Number, this is technology well known to those of ordinary skill in the art, be will not be described here.
Colour-difference judge module 40, for judging the colour-difference of initial reflection light and target reflecting light whether in pre-set color
In poor scope.
In the embodiment of the present invention, the two is judged by the difference of initial reflection light and the chromaticity coordinates value of target reflecting light
Whether colour-difference is within the scope of pre-set color difference.Wherein, the color coordinate values of pre-set color difference scope including initial reflection light and
The difference of the color coordinate values of target reflecting light is less than or equal to 0.001.
Certainly, pre-set color difference scope is not limited to foregoing 0.001 scope, and its concrete numerical value can be carried out according to demand
Setting, will not be described here.
Luminous controling unit 10, in the colour-difference of initial reflection light and target reflecting light within the scope of pre-set color difference
When, control lighting device keeps projection target detected light.
It is mutually to close between any one irradiation light and the reflected light generated based on the irradiation light according to color theory
Connection, the color by obtaining reflected light can then extrapolate the color location of irradiation light.Because the color of irradiation light is
It can not gather, whether the colour-difference that can not naturally also calculate initial scout light and target detected light approaches, in initial reflection light
During with the colour-difference of target reflecting light within the scope of pre-set color difference, it is clear that can be inferred that initial scout light and target detected light
Colour-difference be also very close to.
It is either default still to preset light filling pattern with optical mode, target face is being obtained by color of object acquisition module 30
During color, color of object is directed towards the color of the irradiation light most coordinated with irradiated object color close all the time, first
The colour-difference of beginning detected light and target detected light be also very close to when, show the adjacent adjustment for detected light twice for detecting
Color change is had no for light, you can show that detected light has been adjusted to position, now the color of detected light and irradiated object
Color is most coordinated.
Color update module 50, for initial reflection light and target reflecting light colour-difference not in pre-set color difference scope
When interior, priming color is updated according to acquired color of object.
The colour-difference of initial reflection light and target reflecting light not within a preset range when, show in initial scout light and mesh
The colour-difference of detected light is marked not very close to that is, detected light is not adjusted in place, then is needed with current acquired target
Color updates priming color, and returns to light emitting control module 10, reflection light color acquisition module 20, color of object acquisition module
30 and colour-difference judge module 40 carry out aforementioned processing process again, by wherein color of object acquisition module 30 come more fresh target
Detected light, until obtaining the colour-difference of initial reflection light and target reflecting light in colour-difference judge module 40 within a preset range
Conclusion.
In the embodiment of the present invention, inside control system, reflection light color acquisition module 20 and color of object acquisition module 30,
The wireless mode such as bluetooth, WIFI or ZigBee can be used real between colour-difference judge module 40 and color update module 50
Now interconnect, can also be realized and interconnected by wired modes such as netting twine, USBs.
Reflection light color acquisition module 20 can be integrated among lighting device, can be separately positioned with lighting device.
In the embodiment of the present invention, demand can be also specifically irradiated by basis come self-defined required irradiation light, such as
The irradiation light of pre-set color is stamped for certain part clothes, to obtain protrusion effect unique, that there is distinct personal presentation.Still
Can by control system that the embodiment of the present invention is provided come irradiation light gradually close to foregoing customized irradiation light, it is only necessary to
The adjustment target for presetting irradiation light is only the customized irradiation light, be will not be described here.
Technical scheme provided in an embodiment of the present invention, the embodiment of the present invention pass through according to previous detected light more than
Reflected light obtains latter detected light, when the colour-difference of the reflected light of former and later two detected lights is less than pre-set color difference scope,
Control lighting device projects irradiated object with the latter detected light.Realize no matter how the color of irradiated object changes,
When even color change is very trickle, it can also automatically derive color and carry out prolonged exposure object with its detected light most coordinated.
Embodiments of the invention are these are only, are not intended to limit the invention.To those skilled in the art,
The present invention can have various modifications and variations.All any modifications made within spirit and principles of the present invention, equivalent substitution,
Improve etc., it should be included within scope of the presently claimed invention.
Claims (17)
1. a kind of control method of lighting device, it is characterised in that the control method includes：
Lighting device is controlled to project initial scout light to irradiated object, the initial scout light is priming color；
Obtain the color of initial reflection light of the irradiated object based on the initial scout photogenerated；
Color of object is obtained according to the color of the initial reflection light；
The lighting device is controlled to project target detected light to irradiated object, the target detected light is color of object；
Obtain the color of target reflecting light of the irradiated object based on target detecting photogenerated；
The colour-difference of the initial reflection light and target reflecting light is judged whether within the scope of pre-set color difference, if so, control institute
Lighting device is stated to keep projecting the target detected light.
2. control method as claimed in claim 1, it is characterised in that the priming color is white.
3. control method as claimed in claim 1, it is characterised in that target face is obtained according to the color of the initial reflection light
Color, specifically include：
Obtain the chromaticity coordinates value of the initial reflection light；
The chromaticity coordinates value of the initial reflectance spectrum is converted to obtain target color coordinates value with default weight coefficient；
Color of object is worth to according to the target color coordinates.
4. control method as claimed in claim 1, it is characterised in that with default weight coefficient to the initial reflectance spectrum
Chromaticity coordinates value is converted to obtain target color coordinates value, is specifically included：
Target illumination pattern is obtained, the target illumination pattern is to be default with one of optical mode and default light filling pattern；
When the target illumination pattern is presets with optical mode, the color of the initial reflectance spectrum is sat with presetting weight coefficient
Scale value is increased to obtain target color coordinates value；
When the target illumination pattern is default light filling pattern, the color of the initial reflectance spectrum is sat with presetting weight coefficient
Scale value is reduced to obtain target color coordinates value.
5. control method as claimed in claim 1, it is characterised in that control the lighting device to project mesh to irradiated object
Detected light is marked, the target detected light is color of object, is specifically included：
Target pwm signal or target drive current value are obtained according to the color of object；
Control the lighting device to project target to irradiated object by the target pwm signal or target drive current value to detect
Light-metering.
6. control method as claimed in claim 1, it is characterised in that the control method includes：
The colour-difference of the initial reflection light and target reflecting light not within a preset range when, according to acquired color of object
The priming color is updated, and returns to the control lighting device and projects initial scout light to irradiated object, it is described initially to detect
The step of light-metering is priming color.
7. control method as claimed in claim 6, it is characterised in that the initial face is updated according to acquired color of object
Color, specifically include：
The priming color is adjusted to identical with color of object.
8. control method as claimed in claim 1, it is characterised in that the pre-set color difference scope includes the initial reflection
The difference of the color coordinate values of light and the color coordinate values of target reflecting light is less than or equal to 0.001.
9. a kind of control system of lighting device, it is characterised in that the control system includes：
Light emitting control module, for controlling lighting device to project initial scout light to irradiated object, the initial scout light is
Priming color；
Light color acquisition module is reflected, obtains initial reflection light of the irradiated object based on the initial scout photogenerated
Color；
Color of object acquisition module, color of object is obtained according to the color of the initial reflection light；
The light emitting control module, for controlling the lighting device to project target detected light, the target to irradiated object
Detected light is color of object；
The reflection light color acquisition module, obtain target reflection of the irradiated object based on target detecting photogenerated
The color of light；
Colour-difference judge module, for judging whether the colour-difference of the initial reflection light and target reflecting light is poor in pre-set color
In the range of；
The light emitting control module, for when the colour-difference of the initial reflection light and target reflecting light is in pre-set color difference scope
When interior, the lighting device is controlled to keep projecting the target detected light.
10. control system as claimed in claim 9, it is characterised in that the priming color is white.
11. control system as claimed in claim 9, it is characterised in that the color of object acquisition module, specifically include：
Chromaticity coordinates value acquisition submodule, obtain the chromaticity coordinates value of the initial reflection light；
Chromaticity coordinates value weights submodule, and the chromaticity coordinates value of the initial reflectance spectrum is converted to obtain with default weight coefficient
Target color coordinates value；
Chromaticity coordinates value transform subblock, color of object is worth to according to the target color coordinates.
12. control system as claimed in claim 11, it is characterised in that the chromaticity coordinates value weights submodule, is specifically used for：
Target illumination pattern is obtained, the target illumination pattern is to be default with one of optical mode and default light filling pattern；
When the target illumination pattern is presets with optical mode, the color of the initial reflectance spectrum is sat with presetting weight coefficient
Scale value is increased to obtain target color coordinates value；
When the target illumination pattern is default light filling pattern, the color of the initial reflectance spectrum is sat with presetting weight coefficient
Scale value is reduced to obtain target color coordinates value.
13. control system as claimed in claim 9, it is characterised in that the light emitting control module, be specifically used for：
Target pwm signal or target drive current value are obtained according to the color of object；
Control the lighting device to project target to irradiated object by the target pwm signal or target drive current value to detect
Light-metering.
14. control system as claimed in claim 9, it is characterised in that the control system includes：
Color update module, for when the initial reflection light and target reflecting light colour-difference not within a preset range when, root
The priming color is updated according to acquired color of object.
15. control system as claimed in claim 14, it is characterised in that the color update module, be specifically used for：
The priming color is adjusted to identical with color of object.
16. control system as claimed in claim 9, it is characterised in that the pre-set color difference scope includes described initial anti-
The difference for penetrating the color coordinate values of light and the color coordinate values of target reflecting light is less than or equal to 0.001.
17. a kind of lighting device, it is characterised in that the lighting device includes：
Light emitting source；
Power source drive unit, the electric power of the light emitting source is supplied for adjusting；And
Control system as described in any one in claim 9 to 16, the control system and the light emitting source and driving are single
Member is electrically connected with.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310418.7A CN105101535B (en) | 2015-06-08 | 2015-06-08 | Lighting device and its control method and control system |
| EP16806801.3A EP3220723B1 (en) | 2015-06-08 | 2016-06-07 | Illumination device and control method and control system therefor |
| PCT/CN2016/085042 WO2016197903A1 (en) | 2015-06-08 | 2016-06-07 | Illumination device and control method and control system therefor |
| DE202016008521.3U DE202016008521U1 (en) | 2015-06-08 | 2016-06-07 | Lighting device and control system for it |
| US15/680,982 US10251239B2 (en) | 2015-06-08 | 2017-08-18 | Illuminating device, control method thereof and control system thereof |
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| CN201510310418.7A CN105101535B (en) | 2015-06-08 | 2015-06-08 | Lighting device and its control method and control system |
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| DE202016008521U1 (en) * | 2015-06-08 | 2018-05-17 | Opple Lighting Co. Ltd. | Lighting device and control system for it |
| EP3220724B1 (en) | 2015-06-08 | 2021-07-07 | Opple Lighting Co,. Ltd. | Illumination device and control method therefor, and control system |
| CN108965592B (en) * | 2018-06-29 | 2021-01-08 | 奇酷互联网络科技（深圳）有限公司 | Screen supplementary lighting correction method and device, readable storage medium and mobile terminal |
| CN109121267A (en) * | 2018-08-20 | 2019-01-01 | 百度在线网络技术（北京）有限公司 | Lamp light control method, equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008081387A1 (en) * | 2007-01-03 | 2008-07-10 | Koninklijke Philips Electronics N.V. | Displaying arrangement with ambient light |
| CN102062638A (en) * | 2009-11-17 | 2011-05-18 | 吴冬雨 | Monochromatic object identification device |
| CN103299717A (en) * | 2011-01-03 | 2013-09-11 | 加泰罗尼亚能源研究基金会 | Optoelectronic device, system and method for obtaining an ambient light spectrum and modifying an emitted light |
| CN103470992A (en) * | 2013-09-27 | 2013-12-25 | 中国科学院半导体研究所 | Projection illuminating system |
| CN104344248A (en) * | 2013-08-05 | 2015-02-11 | 上海广茂达光艺科技股份有限公司 | Intelligent light-mixing system and method |
| CN104488357A (en) * | 2012-07-27 | 2015-04-01 | 皇家飞利浦有限公司 | Color emphasis and preservation of objects using reflection spectra |
-
2015
- 2015-06-08 CN CN201510310418.7A patent/CN105101535B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008081387A1 (en) * | 2007-01-03 | 2008-07-10 | Koninklijke Philips Electronics N.V. | Displaying arrangement with ambient light |
| CN102062638A (en) * | 2009-11-17 | 2011-05-18 | 吴冬雨 | Monochromatic object identification device |
| CN103299717A (en) * | 2011-01-03 | 2013-09-11 | 加泰罗尼亚能源研究基金会 | Optoelectronic device, system and method for obtaining an ambient light spectrum and modifying an emitted light |
| CN104488357A (en) * | 2012-07-27 | 2015-04-01 | 皇家飞利浦有限公司 | Color emphasis and preservation of objects using reflection spectra |
| CN104344248A (en) * | 2013-08-05 | 2015-02-11 | 上海广茂达光艺科技股份有限公司 | Intelligent light-mixing system and method |
| CN103470992A (en) * | 2013-09-27 | 2013-12-25 | 中国科学院半导体研究所 | Projection illuminating system |
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