CN220356515U - Light source color chart capable of self-calibrating in real time - Google Patents
Light source color chart capable of self-calibrating in real time Download PDFInfo
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- CN220356515U CN220356515U CN202322026999.4U CN202322026999U CN220356515U CN 220356515 U CN220356515 U CN 220356515U CN 202322026999 U CN202322026999 U CN 202322026999U CN 220356515 U CN220356515 U CN 220356515U
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- 239000003086 colorant Substances 0.000 description 4
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Abstract
The utility model provides a light source color card capable of self calibration in real time, which comprises a color card main body, wherein a color development area is arranged on one side of the color card main body, a light source is arranged in the color development area, the light source is connected with the inner wall of the color card main body, a light receiver is arranged on one side of the color development area, the light receiver is embedded on the surface of the color card main body, a spectrometer and a control main board are arranged in the color card main body, the spectrometer and the control main board are both connected with the inner wall of the color card main body, standard color data are stored in the control main board, the spectrometer is electrically connected with the light receiver, an external interface for connecting external equipment is arranged on one side of the color card main body, and the control main board is respectively electrically connected with the light source, the spectrometer, the external interface and a power supply. The light source color card calibrates the light emitted by the color card in real time based on the color detection device, thereby ensuring the accuracy of the color card.
Description
Technical Field
The utility model relates to the technical field of light source color cards, in particular to a light source color card capable of self-calibrating in real time.
Background
The traditional color card is easy to wear, age and fade, and recently the light source color card based on multi-light source color matching can cause the emitted light to generate color fluctuation due to the problems of unstable light source, overlong lighting time and the like, thereby affecting the accuracy of the color card.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the light source color card capable of self-calibrating in real time, and the color detection device is based on the real-time calibration of the light emitted by the color card, so that the accuracy of the color card is ensured.
The utility model provides a light source color card capable of self calibration in real time, which comprises a color card main body, wherein a color development area is arranged on one side of the color card main body, a light source is arranged in the color development area, the light source is connected with the inner wall of the color card main body, a light receiver is arranged on one side of the color development area, the light receiver is embedded on the surface of the color card main body, a spectrometer and a control main board are arranged in the color card main body, the spectrometer and the control main board are both connected with the inner wall of the color card main body, standard color data are stored in the control main board, the spectrometer is electrically connected with the light receiver, an external interface for connecting external equipment is arranged on one side of the color card main body, and the control main board is respectively electrically connected with the light source, the spectrometer, the external interface and a power supply.
Further, a light receiving table is arranged on one side of the color card main body, where the color development area is arranged, and the light receiving device is embedded on one side of the light receiving table, opposite to the color development area.
Further, a light homogenizing sheet is further arranged in the color development area, the light homogenizing sheet is embedded on the surface of the color card main body, and light emitted by the light source is collected by the light collector after passing through the light homogenizing sheet.
Further, the light receiver is electrically connected with the spectrometer through an optical fiber.
Further, the external interface is a USB interface.
Further, a power interface and a switch are arranged on one side of the USB interface.
Further, the power interface and the switch comprise a three-plug interface, a two-plug interface and a switch button which are sequentially arranged, wherein the three-plug interface, the two-plug interface and the switch button are electrically connected with the control main board, and the control main board is electrically connected with the power supply through the three-plug interface or the two-plug interface.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a light source color card capable of self-calibrating in real time, which is characterized in that an initial light is emitted by a light source, the initial light is collected by a light receiver and analyzed by a spectrometer to obtain initial color data, the initial color data are transmitted to a control main board and standard color data stored in the control main board for error comparison analysis, and the light source is calibrated in real time according to an analysis result, so that the light source emits target light with standard color data errors within a preset range. The light source color card carries out real-time calibration on the light emitted by the color card based on the color detection device, so that electrodeless color change is realized, and the accuracy of the color card is ensured.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a light source color chart capable of self-calibrating in real time according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a light source color chart capable of self-calibration in real time according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of a light source color chart capable of self-calibrating in real time according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of another embodiment of a light source color chart capable of real-time self-calibration;
in the figure:
1. a color card body; 101. a light receiving table;
2. a color development zone;
3. a display screen;
4. operating the key;
5. a USB interface;
6. a power interface and a switch; 601. a third interface; 602. a second interface; 603. a switch button;
7. a light receiver;
8. a spectrometer; 801. an optical fiber;
9. and controlling the main board.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
Example 1:
referring to fig. 1 and 2, a light source color card capable of real-time self calibration provided by the embodiment of the application is shown, which comprises a color card main body 1, wherein the color card main body 1 is in an inverted J-shaped hollow shell structure, a light receiving table 101 is arranged at one convex end of the J-shaped color card main body 1, a color development zone 2 is arranged on the color card main body 1, the color development zone 2 and the light receiving table 101 are arranged on the same side, a light source and a light homogenizing sheet are arranged in the color development zone 2, the light homogenizing sheet is embedded on the surface of the color card main body 1, the light source is arranged on the inner wall of the color card main body 1, a light collector 7 is embedded on one side, opposite to the color development zone 2, of the light receiving table 101, light emitted by the light source is collected by the light collector 7 after passing through the light homogenizing sheet, a spectrometer 8 and a control main board 9 are also arranged on the inner wall of the color card main body 1, an operation control system is arranged in the control main board 9, the operation control system stores standard color data, the light receiver 7 is electrically connected with the spectrometer 8 through an optical fiber 701, one side of the color card main body 1 is provided with a USB interface 5, a power interface and a switch 6, the USB interface 5, the power interface and the switch 6 are distributed along the vertical direction, the power interface and the switch 6 comprise a three-jack interface 601, a two-jack interface 602 and a switch button 603 which are sequentially arranged along the horizontal direction, the control main board 9 is electrically connected with the light source, the display screen 3, the USB interface 5, the three-jack interface 601, the two-jack interface 602, the switch button 603 and the spectrometer 8 respectively, the control main board 9 is electrically connected with an external device through the USB interface 5, and the control main board 9 is electrically connected with a power supply through the three-jack interface 601 or the two-jack interface 602.
In an alternative embodiment, the light source is an LED light source, and the external device may be an external PC or USB device.
Referring to fig. 3, a schematic circuit diagram of a light source color chart capable of self-calibrating in real time according to an embodiment of the utility model is shown, and the implementation of the schematic circuit diagram is shown in fig. 3.
In one specific embodiment, the light source color card is powered by 12V, the communication interface is a LIN bus, the light mixing principle of the RGB three-color LED light source is adopted to realize a plurality of target colors, the RGB three-color adjustment resolution of the open interface is 8 bits (255 multiplied by 255), the color coordinate precision is realized within +/-0.003 in a wide color gamut range, the brightness uniformity of the luminous surface is more than 98 percent, the internal driving dimming precision of RGB three colors is 16-bit PWM/channel, and the adjustable range of the white brightness of the luminous surface is 0.01-1000 CD/-square meter (the adjustable range is smaller than the adjusting range under the condition of ensuring the color precision).
Meanwhile, the light source color card has the following functions:
(1) The display function is displayed according to two color coordinate systems of CI E1931 and 1976, and sRGB coordinates are marked;
(2) The color gamut display device has the function of displaying any color selection function in the color gamut;
(3) The method is convenient for importing a plurality of color coordinate targets and lighting messages, such as an exce l format or other;
(4) White light direct selection display: a light source, D50, D65, etc.
In this embodiment, the color card body 1 is connected to a power supply through the three-jack 601 or the two-jack 602, the color or parameters of the initial light to be emitted by the LED light source are input through the external PC or the USB device, the input data are displayed on the display screen 3 in real time, after the input is confirmed through the display screen 3, the input data are transmitted to the control main board 9, the LED light source is controlled to emit RGB color light through a circuit, the light emitted by the LED light source is uniformly distributed through the light homogenizing sheet, the initial light through the light collector 7 is collected and transmitted into the spectrometer 8 through the optical fiber 701, the spectrometer 8 analyzes the initial light to obtain initial color data, the initial color data are transmitted to the operation control system in the control main board 9, the operation control system compares and analyzes the standard color data stored in the operation control system, and the LED light source is calibrated in real time according to the analysis result, so that the LED light source emits the target light with the standard color data error within the preset range. The light source color card carries out real-time calibration on the light emitted by the color card based on the color detection device, so that electrodeless color change is realized, and the accuracy of the color card is ensured.
Example 2:
please refer to fig. 2 and fig. 4, which show another light source color card capable of performing real-time self calibration provided by the embodiment of the application, including color card main body 1, color card main body 1 is of an inverted J-shaped empty shell structure, protruding one end of J-shaped color card main body 1 is provided with a light receiving platform 101, color card main body 1 is provided with a color development zone 2 and an operation zone, both color development zone 2 and operation zone are on the same side as light receiving platform 101, light source and light homogenizing sheet are arranged in color development zone 2, light source is embedded on the surface of color card main body 1, the inner wall of color card main body 1 is embedded with a light receiving device 7, light emitted by the light source is collected by the light receiving device 7 after passing through the light homogenizing sheet, the inner wall of color card main body 1 is also provided with a spectrometer 8 and a control main board 9, an operation control system is arranged in the control main board 9, standard color data are stored in the operation control system, the light receiving device 7 is electrically connected with spectrometer 8 through an optical fiber, the operation zone comprises a display screen 3 and an operation key 4, the display screen 3 and the operation key 4 are electrically connected, and the light source is embedded in the horizontal direction along with the color development zone 2, the two sides of the light source are respectively, the two sides of the light receiving platform 101 are respectively provided with a power source are respectively connected with a power supply interface 602, a power supply interface 602 and a power supply interface 602 are respectively connected with a power supply interface 602, a power interface 602 and a power supply interface 602, a power interface 602 and a power interface 602, and a power interface 602 are respectively connected with the power interface 602, and a power interface 602.
In an alternative embodiment, the light source is an LED light source, and the external device may be an external PC or USB device.
Referring to fig. 3, a schematic circuit diagram of a light source color chart capable of self-calibrating in real time according to an embodiment of the utility model is shown, and the implementation of the schematic circuit diagram is shown in fig. 3.
In one specific embodiment, the light source color card is powered by 12V, the communication interface is a LIN bus, the light mixing principle of the RGB three-color LED light source is adopted to realize a plurality of target colors, the RGB three-color adjustment resolution of the open interface is 8 bits (255 multiplied by 255), the color coordinate precision is realized within +/-0.003 in a wide color gamut range, the brightness uniformity of the luminous surface is more than 98 percent, the internal driving dimming precision of RGB three colors is 16-bit PWM/channel, and the adjustable range of the white brightness of the luminous surface is 0.01-1000 CD/-square meter (the adjustable range is smaller than the adjusting range under the condition of ensuring the color precision).
Meanwhile, the light source color card has the following functions:
(1) The display function is displayed according to two color coordinate systems of CI E1931 and 1976, and sRGB coordinates are marked;
(2) The color gamut display device has the function of displaying any color selection function in the color gamut;
(3) The method is convenient for importing a plurality of color coordinate targets and lighting messages, such as an exce l format or other;
(4) White light direct selection display: a light source, D50, D65, etc.
In this embodiment, the color card body 1 is connected to a power supply through the three-jack 601 or the two-jack 602, the color or parameters of the initial light to be emitted by the LED light source are input through the external PC, the USB device or the operation key 4, the input data are displayed on the display screen 3 in real time, after the input is confirmed through the display screen 3, the input data are transmitted to the control main board 9, the LED light source is controlled to emit RGB color light through a circuit, the light emitted by the LED light source is uniformly distributed through the light homogenizing sheet, the initial light through the light receiving device 7 is collected and transmitted to the optical spectrum instrument 8 through the optical fiber 701, the optical spectrum instrument 8 analyzes the initial light to obtain the initial color data, the initial color data are transmitted to the operation control system in the control main board 9, the comparison analysis is performed with the standard color data stored in the operation control system, and the LED light source is calibrated in real time according to the analysis result, so that the LED light source emits the target light with the standard color data error within the preset range. The light source color card carries out real-time calibration on the light emitted by the color card based on the color detection device, so that electrodeless color change is realized, and the accuracy of the color card is ensured.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (7)
1. The utility model provides a but light source colour chip of real-time self calibration, its characterized in that, including colour chip main part (1), one side of colour chip main part (1) is provided with color development district (2), be provided with the light source in color development district (2), the light source with colour chip main part (1) inner wall links to each other, one side of color development district (2) is provided with light receiver (7), light receiver (7) inlay and establish colour chip main part (1) surface, be provided with spectrum appearance (8) and control mainboard (9) in colour chip main part (1), spectrum appearance (8) with control mainboard (9) all with the inner wall of colour chip main part (1) links to each other, standard color data has been stored in control mainboard (9), spectrum appearance (8) with light receiver (7) electricity is connected, one side of colour chip main part (1) is provided with the external connection interface that is used for connecting external equipment, control mainboard (9) respectively with the light source, spectrum appearance (8), interface and external connection electricity.
2. The light source color card capable of self-calibration in real time according to claim 1, wherein a light receiving table (101) is arranged on one side of the color card main body (1) where the color development area (2) is arranged, and the light receiver (7) is embedded on one side of the light receiving table (101) opposite to the color development area (2).
3. The light source color card capable of self-calibration in real time according to claim 1, wherein a light homogenizing sheet is further arranged in the color development area (2), the light homogenizing sheet is embedded on the surface of the color card main body (1), and light emitted by the light source is collected by the light collector (7) after passing through the light homogenizing sheet.
4. The real-time self-calibrating light source color card according to claim 1, characterized in that the light receiver (7) is electrically connected to the spectrometer (8) by means of an optical fiber (701).
5. The light source color card capable of self-calibration in real time according to any one of claims 1 to 4, wherein the external interface is a USB interface (5).
6. The light source color card capable of self-calibration in real time according to claim 5, wherein a power interface and a switch (6) are arranged on one side of the USB interface (5).
7. The light source color card capable of self-calibration in real time according to claim 6, wherein the power interface and the switch (6) comprise a three-jack interface (601), a two-jack interface (602) and a switch button (603) which are sequentially arranged, the three-jack interface (601), the two-jack interface (602) and the switch button (603) are electrically connected with the control main board (9), and the control main board (9) is electrically connected with the power supply through the three-jack interface (601) or the two-jack interface (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026999.4U CN220356515U (en) | 2023-07-31 | 2023-07-31 | Light source color chart capable of self-calibrating in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026999.4U CN220356515U (en) | 2023-07-31 | 2023-07-31 | Light source color chart capable of self-calibrating in real time |
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| Publication Number | Publication Date |
|---|---|
| CN220356515U true CN220356515U (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322026999.4U Active CN220356515U (en) | 2023-07-31 | 2023-07-31 | Light source color chart capable of self-calibrating in real time |
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| Country | Link |
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| CN (1) | CN220356515U (en) |
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2023
- 2023-07-31 CN CN202322026999.4U patent/CN220356515U/en active Active
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