CN100407043C - Color temperature adjusting system and color temperature adjusting method - Google Patents

Abstract

A color temperature adjustment system and a color temperature adjustment method can be used for a projector, wherein the color temperature adjustment system includes a color temperature sensor and a long tube device. The long tube device includes a long tube body and a light absorbing layer. The long tube body has an inner side surface, and one end is connected to the projector, and the other end is connected to the color temperature sensor; the light absorbing layer is formed on the inner side surface, the color temperature sensor receives the light emitted from the projector, and the light absorbing layer can absorb the light irradiated to the inner side surface.

Description

Color temperature adjustment system and color temperature adjustment method

technical field

The invention relates to a color temperature adjustment system and method, in particular to a color temperature adjustment device and method capable of simulating a darkroom.

Background technique

As shown in FIG. 1 , when the projector 10 wants to adjust the color temperature, it is generally necessary to place the projector 10 in a darkroom 20, then make the projector 10 emit light, and receive the light emitted by the projector 10 by a color temperature sensor 30, and then use An adjustment device 40 is used for adjustment, so that the interference of external light can be isolated, and the adjustment of color temperature can obtain accurate results. However, a darkroom requires considerable cost and occupies a large space. Therefore, it is hoped to develop a darkroom replacement And the device that can adjust the color temperature to save cost and save space.

Contents of the invention

Therefore, the object of the present invention is to provide a color temperature adjustment system, which has a long tube device respectively connected to the projector and the color temperature sensor, and adjust the color temperature in the long tube device, thereby isolating the interference of external light and achieving Same effect as darkroom.

A preferred embodiment of the color temperature adjustment system of the present invention includes a color temperature sensor and a long tube device. The long tube device includes a long tube body and a light absorbing layer. The elongated cylindrical body has an inner surface, and one end is connected to the projector, and the other end is connected to the color temperature sensor; the light-absorbing layer is formed on the inner surface, and the color temperature sensor receives the light emitted by the projector, and the light-absorbing layer can absorb the radiation to Light on the inside.

In the above preferred embodiment, the light-absorbing layer can be made of black material to form a matte structure, for example, the inner surface of the long cylindrical body is covered with black cotton cloth to form a matte structure.

The above-mentioned preferred embodiment also includes a supporting device, which supports the long tube device. The supporting device includes a first bracket and a second bracket, which respectively support the long tube-shaped body, and the first and second brackets can be individually lifted and lowered, thereby Adjust the inclination angle of the long cylindrical body so that the light emitted by the projector is accurately received by the color temperature sensor.

The preferred embodiment above also includes an adjusting device, which is respectively connected to the color temperature sensor and the projector, and is used to receive a color temperature signal from the color temperature sensor to adjust the color temperature of the projector.

A preferred embodiment of the color temperature adjustment method of the present invention includes the following steps: providing a color temperature adjustment system, including a color temperature sensor and a long tube device, the long tube device has a long tube-shaped body, and one end is tightly connected to a The other end of the projector is connected to the color temperature sensor; then the projector emits a light beam, which is received by the color temperature sensor through the long cylindrical body; and the color temperature of the light emitted by the projector is adjusted.

The above-mentioned preferred embodiment also includes the following steps: providing a supporting device, which includes a first support and a second support, respectively supporting the elongated cylindrical body; then lifting the first support and the second support respectively to adjust the length The inclination angle of the cylindrical body enables the color temperature sensor to accurately receive light from the projector.

The preferred embodiment above also includes the following steps: make the light beam emitted by the projector have a special pattern and have a specific brightness in the projected area, and when the brightness of the light detected by the color temperature sensor reaches a specific brightness, the Adjustment of projector light color temperature. The above pattern can be a cross-shaped image.

Description of drawings

In order to make the above and other objects, features, and advantages of the present invention more comprehensible, a preferred embodiment will be described in detail below together with the accompanying drawings.

FIG. 1 is a schematic diagram of a color temperature measurement system in the prior art.

FIG. 2 is a schematic diagram of a preferred embodiment of the color temperature adjustment system of the present invention.

Fig. 3 is a sectional view taken along line A-A in Fig. 2 .

Explanation of reference signs

10～projector; 20～darkroom; 30～color temperature sensor; 40～adjustment device; 100～projector; 200～long tube device; 210～body; 220～absorbing layer; 300～color temperature sensor; ～support device; 501～first support; 502～second support; 1000～color temperature adjustment system.

Detailed ways

FIG. 2 is a schematic diagram of a preferred embodiment of the color temperature adjustment system of the present invention. Fig. 3 is a sectional view taken along line A-A in Fig. 2 . The color temperature adjustment system 1000 is used for adjusting the light color temperature of a projector 100 . The color temperature adjustment system 1000 includes a long tube device 200 , a color temperature sensor 300 , an adjustment device 400 and a support device 500 . The long tube device 200 includes a long tube body 210 and a light absorbing layer 220 , and the light absorbing layer 220 is formed on the inner surface of the body 210 .

One end of the main body 210 is closely connected to the projector 100 , and the other end is connected to the color temperature sensor 300 . The light emitted by the projector 100 is received by the color temperature sensor 300 through the long barrel device 200, and the color temperature sensor 300 and the projector 100 are both connected to the adjustment device 400, and the adjustment device 400 projects according to the color temperature signal detected by the color temperature sensor 300. Machine 100 adjusts the color temperature. The long barrel device 200 is supported by a supporting device 500, which includes a first bracket 501 and a second bracket 502, which are respectively supported on the body 210, and the first and second brackets 501, 502 can be raised and lowered independently, thereby adjusting The tilt angle of the long barrel device 200 enables the light emitted by the projector 100 to be received by the color temperature sensor 300 .

In order to prevent light from being reflected inside the main body 210 of the long tube device 200 and affect the detected brightness value and color temperature, the light-absorbing layer 220 is made of black material to form a matte structure, such as covering the inner surface of the main body 210 with black cotton cloth, so that the irradiated The light emitted to the inner side of the main body 210 is absorbed by the light absorbing layer 220 without reflection, and thus does not affect the brightness and color temperature received by the color temperature sensor 300 .

The following describes how to use the above-mentioned color temperature adjustment system 1000 to adjust the color temperature. Firstly, the projector 100 and the color temperature sensor 300 are respectively connected to the long tube device 200, and then the first bracket 501 and the second bracket 502 are adjusted to tilt the long tube-shaped body 210 at an appropriate angle, so that the light emitted by the projector 100 The light is received by the color temperature sensor 300 . In the process of adjusting the long barrel device 200, the projector 100 emits light with a special pattern, such as a cross-shaped pattern, and reaches a specific brightness in the projected area, and the color temperature sensor 300 detects the light according to the detected When the brightness value detected by the color temperature sensor 300 reaches the above-mentioned specific brightness, it is determined that the light source of the projector 100 has been aligned, and the adjustment of the color temperature can be started at this time. school.

The present invention connects the projector and the color temperature sensor through a long tube device, which can achieve the same effect as using a darkroom, and the volume occupied by the long tube device is much smaller than that of the darkroom, and the manufacturing cost is less than one tenth of the darkroom, so it is quite economy.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those of ordinary skill in the art can certainly make some changes and modifications without departing from the spirit and scope of the present invention. , so the protection scope of the present invention should be regarded as defined by the appended claims.

Claims (11)

1. a colour temperature regulating system is used for a projector, comprising:

One color temperature sensor; And

One long cartridge comprises: the body of a long tubular, have a medial surface, and an end is connected in described projector, and the other end then is connected in described color temperature sensor; And a light-absorption layer, be formed at described medial surface;

Wherein, described color temperature sensor is received from the light that described projector sends, and described light-absorption layer can absorb the light that exposes to described medial surface.

2. colour temperature regulating system as claimed in claim 1, the body of wherein said long tubular connects airtight in described projector light tightly.

3. colour temperature regulating system as claimed in claim 1, wherein said light-absorption layer are formed the structure of cloudy surface by the material of black.

4. colour temperature regulating system as claimed in claim 3, wherein said light-absorption layer are formed the structure of cloudy surface by the black cotton.

5. colour temperature regulating system as claimed in claim 1 wherein also comprises a supportive device, supports described long cartridge.

6. colour temperature regulating system as claimed in claim 1, wherein said supportive device comprises one first support and one second support, support the body of described long tubular respectively, and described first, second support is independent-lifting individually, adjust the angle of inclination of the body of described long tubular by this, the light that makes described projector by this and sent is received by described color temperature sensor exactly.

7. colour temperature regulating system as claimed in claim 1 wherein also comprises an adjusting gear, is connected to described color temperature sensor and described projector, is used to receive the colour temperature signal from described color temperature sensor, to adjust the colour temperature of described projector.

8. a color temperature adjusting method comprises the following steps:

One colour temperature Adjustment System is provided, comprises a color temperature sensor and a long cartridge, described long cartridge has the body of a long tubular, and an end is connected in a projector, and the other end then is connected in described color temperature sensor;

Make described projector send a light beam, and received by described color temperature sensor via the body of described long tubular; And

Adjust the colour temperature of the light that described projector sends.

9. color temperature adjusting method as claimed in claim 8, wherein also comprising the following steps: provides a supportive device, comprises one first support and one second support, supports the body of described long tubular respectively; And respectively described first support of lifting and described second support, to adjust the angle of inclination of described long tubular body, make described color temperature sensor can receive light exactly from described projector.

10. color temperature adjusting method as claimed in claim 8, comprise the following steps: also that wherein the light beam that described projector is sent has a special pattern, and in the zone of being throwed, has a specific brightness, when light luminance that described color temperature sensor detected arrives described specific brightness, promptly carry out the adjustment of described projector light colour temperature.

11. color temperature adjusting method as claimed in claim 10, wherein said pattern are a criss-cross image.

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