CN118102531A - Fluorescent powder-free RGBY mixed light control method based on line lamp - Google Patents
Fluorescent powder-free RGBY mixed light control method based on line lamp Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000010183 spectrum analysis Methods 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 133
- 238000012937 correction Methods 0.000 claims description 57
- 239000000843 powder Substances 0.000 claims description 12
- 238000011156 evaluation Methods 0.000 claims description 11
- 238000013507 mapping Methods 0.000 claims description 10
- 238000001228 spectrum Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000011022 operating instruction Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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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 relates to the technical field of mixed light control, in particular to a fluorescent powder-free RGBY mixed light control method based on a line lamp, which comprises the following steps of: step S1, a detection unit is placed in the irradiation range of a line lamp, and spectrum analysis is carried out on the lamplight of the line lamp, wherein the spectrum analysis comprises chromaticity and brightness of the lamplight; step S2, the analysis unit judges whether the lamplight output of the line lamp accords with a preset standard or not based on the difference value between the actual chromaticity and the preset chromaticity of the line lamp; step S3, the analysis unit performs secondary judgment under the condition that the lamplight output of the line lamp is not in accordance with a preset standard, or determines the reason of unqualified lamplight output under the condition that the lamplight output of the line lamp is not in accordance with the preset standard; and S4, determining an adjusting mode by the analysis unit based on the determined reasons of unqualified lamplight output, wherein the method is used for solving the problem of low control precision of the light mixing effect in the prior art.
Description
Technical Field
The invention relates to the technical field of mixed light control, in particular to a fluorescent powder-free RGBY mixed light control method based on a line lamp.
Background
The RGBY technology is to add a yellow sub-pixel on the basis of the traditional RGB three-primary-color component pixel to form an RGBY four-color pixel, and the light utilization rate of the backlight source is improved by the RGBY technology, and the brightness of the RGBY technology is improved by about 20% compared with that of the three primary colors under the same power condition, so that the power supply can be reduced by the RGBY technology under the same brightness condition, and the aim of low energy consumption is fulfilled.
Chinese patent publication No.: CN108601153a discloses a RGBW four-color LED light mixing control method, the invention comprises: step one: the method comprises the steps of constructing a light mixing experimental system, wherein the light mixing experimental system comprises a control module, a key module, a driving interface, an LED driving module, an LED light source and a power module; step two: the method comprises the steps of adopting the light mixing experimental system in the first step to carry out light mixing experiments, obtaining a desired light mixing effect through adjustment of a key module, and recording parameters corresponding to the light mixing effect;
From this, the RGBW four-color LED light mixing control method has the following problems: compared with the RGBY technology, the RGBW technology has weaker color expressive force, and the judgment error of human eyes on the light mixing effect is too large, so that the light mixing effect cannot be finely controlled.
Disclosure of Invention
Therefore, the invention provides a non-fluorescent powder RGBY mixed light control method based on a line lamp, which aims to solve the problem of low mixed light adjustment precision in the prior art.
In order to achieve the above purpose, the invention provides a non-fluorescent powder RGBY mixed light control method based on a line lamp, which comprises the following steps:
Step S1, a detection unit is placed in the irradiation range of a line lamp, and the light of the line lamp is subjected to spectrum analysis to obtain spectrum information, wherein the spectrum information comprises chromaticity, color temperature and brightness of the light;
Step S2, the analysis unit judges whether the lamplight output of the line lamp accords with a preset standard or not based on the difference value between the actual chromaticity and the preset chromaticity of the line lamp;
step S3, the analysis unit carries out secondary judgment on the lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity obtained by the detection unit under the condition that the lamplight output of the line lamp is not in accordance with the preset standard, or determines the reason of unqualified lamplight output under the condition that the lamplight output of the line lamp is not in accordance with the preset standard;
Step S4, the analysis unit determines an adjustment mode based on the determined reasons of unqualified lamplight output, wherein the adjustment mode is adopted under the condition that the unqualified lamplight beads exist; and under the condition that the color temperature of the lamp beads is unqualified, carrying out secondary judgment on the specifically adopted regulation mode based on the distribution condition of the lamp beads with unqualified color temperature.
Further, the analysis unit determines whether the light output of the line lamp meets a preset standard based on the difference value between the actual chromaticity of the line lamp and the preset chromaticity obtained by the detection unit, wherein:
The analysis unit judges that the lamplight output of the line lamp is qualified under the condition that the difference value between the actual chromaticity and the preset chromaticity of the line lamp accords with the preset chromaticity difference value standard;
The analysis unit performs secondary judgment on the lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity under the condition that the difference value between the actual chromaticity of the line lamp and the preset chromaticity is not in accordance with the preset chromaticity difference standard;
And the analysis unit judges that the output of the line lamp is unqualified under the condition that the difference value between the actual chromaticity of the line lamp and the preset chromaticity does not accord with the preset chromaticity difference value standard, and determines the reason of the unqualified line lamp based on the average brightness of the lamp light.
Further, the analysis unit performs secondary determination on the lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity acquired by the detection unit under the condition that the difference value between the actual chromaticity and the preset chromaticity of the line lamp is not in accordance with the preset chromaticity difference standard, wherein:
The analysis unit judges that the line lamp is not affected by the environment under the condition that the deviation value of the chromaticity of the line lamp and the environment meets the preset chromaticity deviation standard, judges that the light output of the line lamp is unqualified, and determines the reason of the unqualified light output of the line lamp based on the average brightness of the light;
The analysis unit judges that the line lamp is affected by the environment under the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity does not accord with the preset chromaticity deviation standard, corrects the preset chromaticity difference standard based on the deviation value, and judges whether the lamplight output of the line lamp is qualified according to the corrected preset chromaticity difference standard.
Further, the analysis unit is provided with a plurality of correction modes aiming at the preset chromaticity difference standard based on the deviation value of the chromaticity of the line lamp and the environment chromaticity obtained by the detection unit under the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is not in accordance with the preset chromaticity deviation standard, and the correction amplitudes of the correction modes to the preset chromaticity difference standard are different.
Further, the analysis unit divides the lamp beads of the line lamp into a plurality of areas under the condition that the lamp light output of the line lamp is judged to be unqualified, and determines the reason for the unqualified lamp light output of the line lamp based on the average value of the lamp bead brightness of each area, wherein:
The analysis unit judges that the unqualified lamplight output of the line lamp is caused by the unqualified lamplight when judging that the average value of the lamplight brightness in each area meets the preset brightness standard, and adopts a brightness adjustment mode for the unqualified lamplight;
The analysis unit judges that the lamp beads with unqualified color temperatures exist under the condition that the average value of the lamp bead brightness in each area is not in accordance with a preset brightness standard, and judges the adopted correction mode based on the number of the unqualified lamp beads;
And the analysis unit judges that the color temperatures of all the lamp beads are unqualified under the condition that the average value of the brightness of the lamp beads in each area does not accord with the preset brightness standard, and adjusts the color temperature of the line lamp light based on the mapping relation of RGBY mixed light control.
Further, the analysis unit is provided with a plurality of brightness adjustment modes aiming at the unqualified brightness beads based on the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard under the condition that the average value of the brightness of the lamp beads in each area meets the preset brightness standard, and the adjustment amplitude of the brightness of the lamp beads in each adjustment mode is different.
Further, the analysis unit determines, based on the number of failed beads, a correction mode to be adopted when it is preliminarily determined that the average value of the brightness of the beads in each region does not meet a preset brightness standard, wherein:
the analysis unit adopts a correction mode of supplementing the overall brightness to cover the unqualified colors under the condition that the number of unqualified lamp beads accords with the preset number standard;
And the analysis unit performs secondary judgment on the correction mode based on the distribution condition of the unqualified lamp beads under the condition that the number of the unqualified lamp beads does not meet the preset number standard.
Further, the analysis unit performs a secondary determination on the adopted correction mode based on the distribution condition of the unqualified lamp beads under the condition that the number of the unqualified lamp beads is not in accordance with the preset number standard, wherein:
The analysis unit adopts a brightness adjustment mode aiming at the brightness of each failed lamp bead under the condition that the distribution of each failed lamp bead is concentrated;
And the analysis unit adopts a mode of adjusting the color temperature of the line lamp light based on the mapping relation of RGBY mixed light control under the condition that the distribution of the unqualified lamp beads is dispersed.
Further, under RGBY mixed light control, various color temperatures of the line lamp and various operation instructions of the light of the line lamp have a one-to-one mapping relationship, the analysis unit is provided with a plurality of adjustment modes for the light operation instructions of the line lamp based on the offset bit number of the mapping relationship between the color temperature of the light of the line lamp and the operation instructions of the line lamp under the RGBY mixed light control under the condition that the color temperature of the lamp bead is judged to be unqualified, and the operation instructions of the light under the adjustment modes are different.
Further, the analysis unit is provided with an evaluation threshold value aiming at the color temperature and the brightness of the lamp beads in the process of adjusting the color temperature of the lamp beads, and the evaluation value of the color temperature and the brightness of the lamp beads is not higher than a preset evaluation threshold value. Compared with the prior art, the invention has the beneficial effects that the analysis unit judges whether the lamplight output of the line lamp meets the preset standard or not based on the difference value between the actual chromaticity and the preset chromaticity of the line lamp, judges that the lamplight output of the line lamp is qualified under the condition that the difference value between the actual chromaticity and the preset chromaticity of the line lamp meets the preset chromaticity difference value standard, judges that the difference value between the actual chromaticity and the preset chromaticity of the line lamp does not meet the preset chromaticity difference value standard, judges that the lamplight output of the line lamp is unqualified under the condition that the difference value between the actual chromaticity and the preset chromaticity of the line lamp does not meet the preset chromaticity difference value standard, and determines the unqualified reason based on the average brightness of lamplight, thereby improving the control precision of the lamplight mixing control effect of the line lamp and reducing the waste condition of electric power resources.
Further, the analysis unit performs secondary judgment on the lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity obtained by the detection unit under the condition that the difference value of the actual chromaticity and the preset chromaticity of the line lamp is not in accordance with the preset chromaticity difference standard, judges that the lamplight output of the line lamp is not affected by the environment under the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is in accordance with the preset chromaticity deviation standard, judges that the lamplight output of the line lamp is unqualified based on the average brightness of lamplight, judges that the line lamp is affected by the environment under the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is not in accordance with the preset chromaticity deviation standard, judges that the lamplight output of the line lamp is qualified based on the deviation value, further improves the judgment precision of the lamplight output of the line lamp by the analysis unit, improves the control precision of the lamplight mixing control effect of the line lamp, and reduces the waste of power resources.
Further, the analysis unit is provided with a plurality of correction modes aiming at the preset chromaticity difference standard based on the deviation value of the chromaticity of the line lamp and the environment chromaticity obtained by the detection unit under the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is not in accordance with the preset chromaticity deviation standard, so that the judgment precision of the analysis unit on the light output of the line lamp is further improved, the control precision of the mixed light control effect of the line lamp is improved, and the waste condition of electric power resources is reduced.
Further, the analysis unit divides the lamp beads of the line lamp into a plurality of areas under the condition that the lamp light output of the line lamp is judged to be unqualified, the reason for the unqualified lamp light output of the line lamp is determined based on the average value of the lamp bead brightness of each area, the reason for the unqualified lamp light output of the line lamp is judged to be the unqualified lamp bead brightness under the condition that the average value of the lamp bead brightness of each area is judged to be in accordance with the preset brightness standard, the lamp beads with unqualified color temperature are judged to be in accordance with the condition that the average value of the lamp bead brightness of each area is not in accordance with the preset brightness standard, the color temperature of all the lamp beads is judged to be unqualified under the condition that the average value of the lamp bead brightness of each area is not in accordance with the preset brightness standard, the judgment precision of the analysis unit on the unqualified reason for the lamp light output of the line lamp is improved, and the control precision of the mixed light control effect of the line lamp is improved.
Further, the analysis unit is provided with a plurality of adjustment modes aiming at the brightness of the lamp beads based on the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard under the condition that the average value of the brightness of the lamp beads in each area meets the preset brightness standard, so that the control precision of the light mixing control effect of the wire lamp is further improved, and the waste condition of electric power resources is reduced.
Further, the analysis unit determines a correction mode based on the number of unqualified lamp beads under the condition that the average value of the brightness of the lamp beads in each area is not in accordance with the preset brightness standard, adopts a correction mode for supplementing the whole brightness to cover unqualified colors under the condition that the number of the unqualified lamp beads is in accordance with the preset number standard, and performs secondary judgment on the correction mode based on the distribution condition of the unqualified lamp beads under the condition that the number of the unqualified lamp beads is not in accordance with the preset number standard, so that the judgment precision of the analysis unit on the unqualified reason of the lamplight output of the line lamp is further improved, the control precision of the mixed light control effect of the line lamp is improved, and the waste condition of electric power resources is reduced.
Further, the analysis unit carries out secondary judgment on the correction mode based on the distribution condition of the unqualified lamp beads under the condition that the number of the unqualified lamp beads is judged to be not in accordance with the preset number standard, adopts the correction mode of adjusting the brightness of the unqualified lamp beads under the condition that the distribution of the unqualified lamp beads is judged to be concentrated, adopts the correction mode of adjusting the color temperature of the unqualified lamp beads under the condition that the distribution of the unqualified lamp beads is judged to be dispersed, further improves the judgment precision of the analysis unit on the unqualified reason of the lamplight output of the line lamp, improves the control precision of the mixed light control effect of the line lamp, and reduces the waste condition of electric power resources.
Furthermore, the analysis unit is provided with a plurality of adjustment modes for the lamplight operation instruction of the line lamp based on the mapping relation of RGBY mixed light control under the condition that the color temperature of the lamp beads is judged to be unqualified, so that the control precision of the mixed light control effect of the line lamp is further improved, and the waste condition of electric power resources is reduced.
Drawings
FIG. 1 is a flow chart of steps of a non-phosphor RGBY light mixing control method based on a line lamp according to an embodiment of the invention;
FIG. 2 is a flowchart illustrating the determination of the light output of the line lamp by the analysis unit according to the embodiment of the present invention;
FIG. 3 is a flow chart of a secondary decision of the light output of the line lamp by the analysis unit according to the embodiment of the invention;
fig. 4 is a flowchart illustrating a determination of a failure reason of the light output of the line lamp by the analysis unit according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The foregoing and other features and advantages of the invention will be described in more detail below with reference to the following drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, a flow chart of steps of a non-phosphor RGBY mixed light control method based on a line lamp according to an embodiment of the invention is shown; a non-fluorescent powder RGBY mixed light control method based on a line lamp comprises the following steps:
Step S1, a detection unit is placed in the irradiation range of a line lamp, and spectrum analysis is carried out on lamplight of the line lamp to obtain spectrum information, wherein the spectrum information comprises chromaticity and brightness of the lamplight;
Step S2, the analysis unit judges whether the lamplight output of the line lamp accords with a preset standard or not based on the difference value between the actual chromaticity and the preset chromaticity of the line lamp;
step S3, the analysis unit carries out secondary judgment on the lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity obtained by the detection unit under the condition that the lamplight output of the line lamp is not in accordance with the preset standard, or determines the reason of unqualified lamplight output under the condition that the lamplight output of the line lamp is not in accordance with the preset standard;
and S4, determining an adjusting mode by the analysis unit based on the determined reasons of unqualified lamplight output, adopting a brightness adjusting mode under the condition that the unqualified lamp beads exist, and carrying out secondary judgment on the specifically adopted adjusting mode based on the distribution condition of the unqualified lamp beads under the condition that the color temperature of the lamp beads exists.
Fig. 2 is a flowchart showing a determination process of the light output of the line lamp by the analysis unit according to the embodiment of the invention; the analysis unit judges whether the lamplight output of the line lamp accords with a preset standard or not based on the difference value between the actual chromaticity and the preset chromaticity of the line lamp obtained by the detection unit, wherein:
The first judging mode is that the analyzing unit judges that the difference value between the actual chromaticity and the preset chromaticity of the line lamp accords with the preset chromaticity difference value standard, and judges that the lamplight output of the line lamp is qualified; the first judging mode meets the condition that the difference value between the actual chromaticity and the preset chromaticity of the line lamp is smaller than or equal to a first preset chromaticity difference value, and the first preset chromaticity difference value is set to be 10CRI;
The second judging mode is that the analysis unit preliminarily judges that the difference value between the actual chromaticity of the line lamp and the preset chromaticity does not accord with the preset chromaticity difference standard, and carries out secondary judgment based on the deviation value between the chromaticity of the line lamp and the environment chromaticity; the second judging mode meets the condition that the difference value between the actual chromaticity and the preset chromaticity of the line lamp is larger than the first preset chromaticity difference value and smaller than or equal to the second preset chromaticity difference value, and the second preset chromaticity difference value is set to be 20CRI;
The third judging mode is that the analyzing unit judges that the difference value between the actual chromaticity and the preset chromaticity of the line lamp does not accord with the preset chromaticity difference value standard, judges that the output of the line lamp is unqualified, and determines the reason of the unqualified line lamp based on the average brightness of the lamplight; the third judging mode meets the condition that the difference value between the actual chromaticity of the line lamp and the preset chromaticity is larger than the second preset chromaticity difference value.
Fig. 3 is a flowchart showing a secondary decision process of the light output of the line lamp by the analysis unit according to the embodiment of the invention; the analysis unit performs secondary judgment on lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity acquired by the detection unit under the condition that the difference value between the actual chromaticity of the line lamp and the preset chromaticity does not meet the preset chromaticity difference standard, wherein:
The first secondary judgment mode is that the analysis unit judges that the deviation value of the chromaticity of the line lamp and the environment chromaticity accords with a preset chromaticity deviation standard, judges that the line lamp is not affected by the environment, judges that the lamplight output of the line lamp is unqualified, and the analysis unit determines the reason of the unqualified lamplight based on the average luminance of the lamplight; the first secondary judgment mode meets the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is smaller than or equal to a preset chromaticity deviation value, and the preset chromaticity deviation value is set to be 5CRI;
The second secondary judgment mode is that the analysis unit judges that the deviation value of the chromaticity of the line lamp and the environment chromaticity does not accord with the preset chromaticity deviation standard, judges that the line lamp is affected by the environment, judges that the lamplight output of the line lamp is qualified, and corrects the preset chromaticity difference standard based on the deviation value; the second secondary judgment mode meets the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is larger than the preset chromaticity deviation value.
Referring to fig. 1 to 3, the analysis unit sets a correction mode for a preset chromaticity difference standard based on the deviation value of the chromaticity of the line lamp and the environment chromaticity obtained by the detection unit when it is determined that the deviation value of the chromaticity of the line lamp and the environment chromaticity does not meet the preset chromaticity deviation standard, wherein:
The first correction mode is that the analysis unit judges that the deviation value of the chromaticity of the line lamp and the environment chromaticity accords with a preset deviation value standard, and a first correction coefficient is adopted to correct the preset chromaticity difference standard; the first correction mode meets the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is smaller than or equal to a first preset deviation value, the first preset deviation value is set to be 7CRI, a first correction coefficient is 1.2, after correction by the first correction coefficient, the first preset chromaticity difference value is corrected to be 12CRI, and the second preset chromaticity difference value is corrected to be 24CRI;
The second correction mode is that the analysis unit preliminarily judges that the deviation value of the chromaticity of the line lamp and the environment chromaticity does not accord with the preset deviation value standard, and a second correction coefficient is adopted to correct the preset chromaticity difference standard; the second correction mode meets the requirements that the deviation value of the chromaticity of the line lamp and the environment chromaticity is larger than a first preset deviation value and smaller than or equal to a second preset deviation value, the second preset deviation value is set to be 9CRI, the second correction coefficient is set to be 1.3, after correction by adopting the second correction coefficient, the first preset chromaticity difference value is corrected to be 13CRI, and the second preset chromaticity difference value is corrected to be 26CRI;
The third correction mode is that the analysis unit judges that the deviation value of the chromaticity of the line lamp and the environment chromaticity does not accord with the preset deviation value standard, and a third correction coefficient is adopted to correct the preset chromaticity difference standard; the third correction mode meets the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity is larger than a second preset deviation value, the second correction coefficient is set to be 1.4, after correction by the third correction coefficient, the first preset chromaticity difference value is corrected to be 14CRI, and the second preset chromaticity difference value is corrected to be 28CRI.
Fig. 4 is a flowchart showing a determination process of a failure reason of the light output of the line lamp by the analysis unit according to the embodiment of the invention; the analysis unit divides the lamp pearl of line lamp into a plurality of regions under the condition that the light output of line lamp is judged to be unqualified, confirms the unqualified reason of this line lamp light output based on the average value of each regional lamp pearl luminance, wherein:
The first reason judging mode is that the analysis unit judges that the average value of the brightness of the lamp beads in each area meets a preset brightness standard, and judges that the reasons for the unqualified lamplight output of the line lamp are that the brightness of the lamp beads is unqualified; the first reason judging mode meets the condition that the average value of the brightness of the lamp beads in each area is larger than or equal to a first preset brightness, and the first preset brightness is set to be 1500lm;
The second reason judging mode is that the analysis unit preliminarily judges that the average value of the brightness of the lamp beads in each area does not accord with a preset brightness standard, and judges that the lamp beads with unqualified color temperature exist; the second reason judging mode meets the condition that the average value of the brightness of the lamp beads in each area is smaller than the first preset brightness and larger than or equal to the second preset brightness, and the second preset brightness is set to be 1000lm;
The third factor judging mode is that the analysis unit judges that the average value of the brightness of the lamp beads in each area does not accord with a preset brightness standard, and judges that the color temperatures of all the lamp beads are disqualified; and the third factor judging mode meets the condition that the average value of the brightness of the lamp beads in each area is smaller than the second preset brightness.
Referring to fig. 1 to fig. 4, the analysis unit is configured to adjust the brightness of the lamp beads based on a difference between the average value of the brightness of the lamp beads in each region and a preset brightness standard when determining that the average value of the brightness of the lamp beads in each region meets the preset brightness standard, wherein:
The first brightness adjustment mode is that the analysis unit judges that the difference value between the average value of the brightness population of the lamp beads in each area and the preset brightness standard accords with the preset brightness difference value standard, and judges that the first adjustment coefficient is adopted to adjust the luminous power of the lamp beads; the first brightness adjustment mode meets the condition that the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard is smaller than or equal to a first preset brightness difference value, the first preset brightness difference value is set to be 100lm, a first adjustment coefficient is set to be 1.15, and after adjustment by the first adjustment coefficient, the luminous power of the unqualified lamp beads is 1.15 times of the initial luminous power;
The second brightness adjustment mode is that the analysis unit preliminarily judges that the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard does not accord with the preset brightness difference value standard, and judges that the second adjustment coefficient is adopted to adjust the luminous power of the lamp beads; the second brightness adjustment mode meets the condition that the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard is larger than the first preset brightness difference value and smaller than or equal to the second preset brightness difference value, the second preset brightness difference value is set to be 200lm, the second adjustment coefficient is set to be 1.25, and after the adjustment of the second adjustment coefficient, the luminous power of the unqualified lamp beads is changed to be 1.25 times of the initial luminous power;
the third brightness adjustment mode is that the analysis unit judges that the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard does not accord with the preset brightness difference value standard, and judges that the third adjustment coefficient is adopted to adjust the luminous power of the lamp beads; the third brightness adjustment mode meets the condition that the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard is larger than the second preset brightness difference value, the second adjustment coefficient is set to be 1.35, and after the adjustment of the third adjustment coefficient, the luminous power of the unqualified lamp beads is changed to be 1.35 times of the initial luminous power.
With continued reference to fig. 1 to 4, the analysis unit determines a correction mode based on the number of unqualified beads when it is preliminarily determined that the average value of the brightness of the beads in each region does not meet the preset brightness standard, where:
The first correction judging mode is a correction mode that the analysis unit judges that the number of unqualified lamp beads accords with a preset number standard, and the correction mode that the whole brightness is supplemented to cover unqualified colors is adopted; the first correction judging mode meets the condition that the number of unqualified lamp beads is less than or equal to 10% of the total number of the line lamp beads;
The analysis unit judges that the number of the unqualified lamp beads does not accord with a preset number standard in the second correction judging mode, and the second judgment is carried out on the correction mode based on the distribution condition of the unqualified lamp beads; the second correction judging mode meets the condition that the number of unqualified lamp beads is more than 10% of the total number of the line lamp beads.
With continued reference to fig. 1 to fig. 4, the analysis unit performs a secondary determination on the correction mode based on the distribution condition of the failed lamp beads when the number of the failed lamp beads is determined to be not in accordance with the preset number standard, where:
The first correction secondary judgment mode is that the analysis unit judges that the distribution of the unqualified lamp beads is concentrated, and the judgment adopts a correction mode for adjusting the brightness of the unqualified lamp beads; the first correction secondary judgment mode meets the condition that the number of unqualified lamp beads in a single area exceeds 20% of the total number of lamp beads in the area;
The second correction secondary judgment mode is that the analysis unit judges that the distribution of the unqualified lamp beads is dispersed, and the judgment adopts a correction mode of adjusting the color temperature of the unqualified lamp beads; the second correction secondary judgment mode satisfies that the unqualified lamp beads are dispersed in each area, and the number of the unqualified lamp beads in the single area does not exceed 20% of the total number of the lamp beads in the area.
With continued reference to fig. 1 to 4, the analysis unit sets an adjustment mode for the lamplight operation instruction of the line lamp based on the mapping relation of RGBY mixed light control under the condition that the color temperature of the lamp bead is determined to be unqualified, in the embodiment of the present invention, various mixed light effects of the line lamp are mapped with the lamplight operation instruction one by one, the lamplight operation instruction is represented by R1-G1-B1-Y1, R2-G2-B2-Y2, … …, ri-Gi-Bi-Yi, i=1, 2,3, … …, and when the lamplight operation instruction of R2-G2-B2-Y2 is issued, if the actual color temperature presenting effect is the same as R3-G3-B3-Y3, the lamplight operation instruction is adjusted to R1-G1-B1-Y1, and so on.
With continued reference to fig. 1 to 4, in the process of adjusting the color temperature of the lamp bead, the analysis unit sets an evaluation threshold for the color temperature and the brightness of the lamp bead, the color temperature coefficient of the lamp bead is set to α, the brightness of the lamp bead is set to β, α×β is set as the evaluation value of the lamp bead, the evaluation value of the color temperature and the brightness of the lamp bead cannot be higher than the preset evaluation threshold, and the evaluation threshold is set to 3×106.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The non-fluorescent powder RGBY mixed light control method based on the line lamp is characterized by comprising the following steps of:
Step S1, a detection unit is placed in the irradiation range of a line lamp, and the light of the line lamp is subjected to spectrum analysis to obtain spectrum information, wherein the spectrum information comprises chromaticity, color temperature and brightness of the light;
Step S2, the analysis unit judges whether the lamplight output of the line lamp accords with a preset standard or not based on the difference value between the actual chromaticity and the preset chromaticity of the line lamp;
step S3, the analysis unit carries out secondary judgment on the lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity obtained by the detection unit under the condition that the lamplight output of the line lamp is not in accordance with the preset standard, or determines the reason of unqualified lamplight output under the condition that the lamplight output of the line lamp is not in accordance with the preset standard;
Step S4, the analysis unit determines an adjustment mode based on the determined reasons of unqualified lamplight output, wherein the adjustment mode is adopted under the condition that the unqualified lamplight beads exist; and under the condition that the color temperature of the lamp beads is unqualified, carrying out secondary judgment on the specifically adopted regulation mode based on the distribution condition of the lamp beads with unqualified color temperature.
2. The method for controlling the light mixing of the non-fluorescent powder RGBY based on the line lamp according to claim 1, wherein the analyzing unit determines whether the light output of the line lamp meets a preset standard based on a difference value between the actual chromaticity of the line lamp and the preset chromaticity obtained by the detecting unit, wherein:
The analysis unit judges that the lamplight output of the line lamp is qualified under the condition that the difference value between the actual chromaticity and the preset chromaticity of the line lamp accords with the preset chromaticity difference value standard;
The analysis unit performs secondary judgment on the lamplight output of the line lamp based on the deviation value of the chromaticity of the line lamp and the environment chromaticity under the condition that the difference value between the actual chromaticity of the line lamp and the preset chromaticity is not in accordance with the preset chromaticity difference standard;
And the analysis unit judges that the output of the line lamp is unqualified under the condition that the difference value between the actual chromaticity of the line lamp and the preset chromaticity does not accord with the preset chromaticity difference value standard, and determines the reason of the unqualified line lamp based on the average brightness of the lamp light.
3. The method for controlling the light mixing of the non-fluorescent powder RGBY based on the line lamp according to claim 2, wherein the analyzing unit performs a secondary judgment on the light output of the line lamp based on the deviation value of the chromaticity of the line lamp from the ambient chromaticity acquired by the detecting unit in the case that the difference between the actual chromaticity of the line lamp and the preset chromaticity is not in accordance with the preset chromaticity difference standard, wherein:
The analysis unit judges that the line lamp is not affected by the environment under the condition that the deviation value of the chromaticity of the line lamp and the environment meets the preset chromaticity deviation standard, judges that the light output of the line lamp is unqualified, and determines the reason of the unqualified light output of the line lamp based on the average brightness of the light;
The analysis unit judges that the line lamp is affected by the environment under the condition that the deviation value of the chromaticity of the line lamp and the environment chromaticity does not accord with the preset chromaticity deviation standard, corrects the preset chromaticity difference standard based on the deviation value, and judges whether the lamplight output of the line lamp is qualified according to the corrected preset chromaticity difference standard.
4. The method for controlling the light mixing of the fluorescent powder-free RGBY based on the line lamp according to claim 3, wherein the analyzing unit is provided with a plurality of correction modes aiming at the preset chromaticity difference standard based on the deviation value of the line lamp chromaticity and the environment chromaticity acquired by the detecting unit under the condition that the deviation value of the line lamp chromaticity and the environment chromaticity is not in accordance with the preset chromaticity deviation standard, and the correction amplitudes of the correction modes to the preset chromaticity difference standard are different.
5. The method for controlling the light mixing of the non-fluorescent powder RGBY based on the line lamp according to claim 3, wherein the analyzing unit divides the lamp beads of the line lamp into a plurality of areas when the lamp light output of the line lamp is judged to be unqualified, and determines the reason of the unqualified lamp light output of the line lamp based on the average value of the lamp bead brightness of each area, wherein:
The analysis unit judges that the unqualified lamplight output of the line lamp is caused by the unqualified lamplight when judging that the average value of the lamplight brightness in each area meets the preset brightness standard, and adopts a brightness adjustment mode for the unqualified lamplight;
The analysis unit judges that the lamp beads with unqualified color temperatures exist under the condition that the average value of the lamp bead brightness in each area is not in accordance with a preset brightness standard, and judges the adopted correction mode based on the number of the unqualified lamp beads;
And the analysis unit judges that the color temperatures of all the lamp beads are unqualified under the condition that the average value of the brightness of the lamp beads in each area does not accord with the preset brightness standard, and adjusts the color temperature of the line lamp light based on the mapping relation of RGBY mixed light control.
6. The method for controlling the RGBY mixing light without fluorescent powder based on the line lamp according to claim 5, wherein the analyzing unit is provided with a plurality of brightness adjusting modes aiming at the unqualified brightness beads based on the difference value between the average value of the brightness of the lamp beads in each area and the preset brightness standard under the condition that the average value of the brightness of the lamp beads in each area meets the preset brightness standard, and the adjusting amplitude of the brightness of the lamp beads in each adjusting mode is different.
7. The method for controlling the light mixing of the non-fluorescent powder RGBY based on the line lamp according to claim 5, wherein the analyzing unit judges the adopted correction mode based on the number of the unqualified lamp beads when the average value of the brightness of the lamp beads in each area is judged to be not in accordance with the preset brightness standard, wherein:
the analysis unit adopts a correction mode of supplementing the overall brightness to cover the unqualified colors under the condition that the number of unqualified lamp beads accords with the preset number standard;
And the analysis unit performs secondary judgment on the correction mode based on the distribution condition of the unqualified lamp beads under the condition that the number of the unqualified lamp beads does not meet the preset number standard.
8. The method for controlling the light mixing of the non-fluorescent powder RGBY based on the line lamp according to claim 7, wherein the analysis unit makes a secondary judgment on the correction mode based on the distribution condition of the unqualified lamp beads when the number of the unqualified lamp beads is judged to be not in accordance with a preset number standard, wherein:
The analysis unit adopts a brightness adjustment mode aiming at the brightness of each failed lamp bead under the condition that the distribution of each failed lamp bead is concentrated;
And the analysis unit adopts a mode of adjusting the color temperature of the line lamp light based on the mapping relation of RGBY mixed light control under the condition that the distribution of the unqualified lamp beads is dispersed.
9. The method for controlling the RGBY mixed light based on the fluorescent powder of the line lamp according to claim 5 or 8, wherein the various color temperatures of the line lamp and the operating instructions of the light of the line lamp have a one-to-one mapping relationship under the RGBY mixed light control, the analysis unit is provided with a plurality of adjusting modes for the operating instructions of the light of the line lamp based on the offset bit number of the mapping relationship between the color temperature of the light of the line lamp and the operating instructions of the light of the line lamp under the RGBY mixed light control under the condition that the color temperature of the lamp bead is judged to be unqualified, and the operating instructions of the light under each adjusting mode are different.
10. The method for controlling the light mixing of the non-fluorescent powder RGBY based on the line lamp according to claim 9, wherein the analyzing unit is provided with an evaluation threshold value for the color temperature and the brightness of the lamp bead in the process of adjusting the color temperature of the lamp bead, and the evaluation value of the color temperature and the brightness of the lamp bead is not higher than a preset evaluation threshold value.
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| CN110719661A (en) * | 2019-10-16 | 2020-01-21 | 肖高利 | Algorithm for improving light source color rendering index to approach natural spectrum |
| WO2021072677A1 (en) * | 2019-10-16 | 2021-04-22 | 肖高利 | Algorithm for improving color rendering index of light source to approach natural spectrum |
| CN114143930A (en) * | 2021-10-26 | 2022-03-04 | 漳州立达信光电子科技有限公司 | Method, medium and device for calculating color temperature of mixed light conversion of cold white LED and warm white LED |
| JP2022091243A (en) * | 2020-12-09 | 2022-06-21 | 株式会社エヌエステイー | Color temperature variable lighting device |
| CN116506989A (en) * | 2023-04-21 | 2023-07-28 | 紫光计算机科技有限公司 | Color temperature adjusting method, device, computer equipment and storage medium |
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| CN110719661A (en) * | 2019-10-16 | 2020-01-21 | 肖高利 | Algorithm for improving light source color rendering index to approach natural spectrum |
| WO2021072677A1 (en) * | 2019-10-16 | 2021-04-22 | 肖高利 | Algorithm for improving color rendering index of light source to approach natural spectrum |
| JP2022091243A (en) * | 2020-12-09 | 2022-06-21 | 株式会社エヌエステイー | Color temperature variable lighting device |
| CN114143930A (en) * | 2021-10-26 | 2022-03-04 | 漳州立达信光电子科技有限公司 | Method, medium and device for calculating color temperature of mixed light conversion of cold white LED and warm white LED |
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