阅读说明：本技术 一种自适应精准合光方法及其系统 (Self-adaptive accurate light combination method and system thereof ) 是由 李威 杨文丰 刘阳 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种自适应精准合光方法,该方法包括如下步骤：通过MCU给光源驱动发出一个理论光参点亮LED光源；通过光参传感器采集LED光源的实时光参,并回传给所述MCU；所述MCU接收到实时光参后,将该实时光参与预设的标准光参进行对比,得出修正光参参数,并将该修正光参参数发送给所述光源驱动；所述光源驱动根据接收到的所述修正光参参数调整所述LED光源的光参。本发明还公开了一种自适应精准合光系统。本发明的有益效果在于：解决了传统LED合光方式下的光参一致性不好和光参随时间衰退的痛点；采用全新的合光方式,能大幅降低合光对光源稳定性和一致性要求高的难度,同时也能降低光源的成本,具有广阔的应用前景。(The invention discloses a self-adaptive accurate light combination method, which comprises the following steps: the MCU is used for sending a theoretical light parameter to the light source drive to light the LED light source; real-time light parameters of the LED light source are collected through a light parameter sensor and are transmitted back to the MCU; after receiving the real-time light parameter, the MCU compares the real-time light parameter with a preset standard light parameter to obtain a corrected light parameter, and sends the corrected light parameter to the light source driver; and the light source drive adjusts the light parameter of the LED light source according to the received correction light parameter. The invention also discloses a self-adaptive accurate light combination system. The invention has the beneficial effects that: the pain points that the consistency of the light parameter is poor and the light parameter declines along with time in the traditional LED light combination mode are solved; and a brand-new light combination mode is adopted, the difficulty of high requirements of light combination on the stability and consistency of the light source can be greatly reduced, the cost of the light source can be reduced, and the light source has a wide application prospect.)

1. An adaptive accurate light combination method is characterized by comprising the following steps:

step one, a theoretical light parameter is sent out to a light source drive through an MCU to light an LED light source;

step two, collecting real-time light parameters of the LED light source through a light parameter sensor, and transmitting the real-time light parameters back to the MCU;

step three, after receiving the real-time light parameter, the MCU compares the real-time light parameter with a preset standard light parameter to obtain a corrected light parameter, and sends the corrected light parameter to the light source driver;

and step four, the light source drive adjusts the light parameter of the LED light source according to the received correction light parameter.

2. The adaptive precise light combination method according to claim 1, wherein: the light parameter includes color temperature, color rendering index and illumination intensity.

3. An adaptive accurate light combination system is characterized in that: the method comprises the following steps:

an LED light source for emitting LED light;

the light source driver is connected with the LED light source to drive the LED light source to emit light;

the light parameter sensor is used for collecting real-time light parameters of the LED light source; and

and the MCU is connected with the light parameter sensor and the light source drive, and is used for receiving the real-time light parameter returned by the light parameter sensor, comparing the real-time light parameter with a preset standard light parameter to obtain a corrected light parameter, and controlling the light source drive to adjust the light parameter of the LED light source according to the corrected light parameter.

4. An adaptive precision light combining system according to claim 3, characterized in that: the LED light source comprises a COB light source and a surface light source made of a plurality of different types of lamp beads.

5. An adaptive precision light combining system according to claim 3, characterized in that: the light source drive is constant voltage drive or constant current drive.

6. An adaptive precision light combining system according to claim 3, characterized in that: the light parameter sensor comprises a color sensor, a color temperature sensor and a light ray sensor.

7. An adaptive precision light combining system according to claim 3, characterized in that: the MCU is a singlechip or a signal digital processor.

Technical Field

The invention relates to the technical field of LED illumination, in particular to a self-adaptive accurate light combination method and a system thereof.

Background

The common photography lamps in the market at present comprise tungsten filament lamps, dysprosium lamps and LED lamps, and the tungsten filament lamps and the dysprosium lamps are too low in energy efficiency and are in the wake of environmental protection, so that the tungsten filament lamps and the dysprosium lamps are gradually exiting the historical stage at present. And the LED photography lamp with higher energy efficiency and portability is gradually replacing the traditional tungsten filament lamp and dysprosium lamp.

With the wider application of the LED lamp, people have higher requirements on the LED, especially on the LED lamp with variable color temperature and full color. The LED lamp with variable color temperature and full color temperature can not be realized by single-color lamp beads (although the color temperature of white light can also be changed by adding colored paper, the white light is too troublesome and is basically eliminated gradually), and different lamp beads are required to be used for mixing light so as to achieve the target color. The conventional light combination method needs to be accurate on the premise that the light parameter of the light source is not changed due to other factors. Once the light source parameters are changed, the final color of the combined light is greatly different from the target color and even cannot meet the requirement.

Although LED lamps have advanced the photographic lamp market, LED photographic lamps have several significant drawbacks:

1. light parameters at the light source are: the consistency of parameters such as color temperature, color rendering index and illumination intensity is poor, and a certain sample based on a light source can control the three parameters more accurately when the LED whole lamp is designed, but the consistency of the light source is poor during batch production, so that the light parameters such as color temperature, color rendering index and illumination intensity of other whole lamps in the same batch are difficult to guarantee;

2. the color temperature, the display finger and the illumination intensity of the LED lamp can be greatly changed along with the time, even if the color temperature, the display finger and the illumination intensity can be relatively accurately made when the LED lamp leaves a factory, the light parameter can be greatly changed after the LED lamp is used for a long time, and even the situation with high requirements on the color temperature can not meet the requirements;

3. the light parameters of the LED lamp can change under different temperatures and use conditions.

Therefore, in order to solve the above technical problems, the conventional method is to combine LEDs, but the conventional LED combining method basically collects basic data of a single light source, reversely deduces relevant parameters required by each single-color lamp bead according to relevant parameters of a target color, and then sends corresponding driving signals through the MCU to control a driving circuit of the LED, and the driving circuit lights each LED light source, so that the corresponding single light source sends appropriate light parameters, and finally the target color can be mixed. At present, the light combination of one point at the low end and even the basic data of a light source are not collected, and the corresponding target color is found directly by a point-by-point tracing method. Both the two modes are not provided with feedback, so the accuracy of the final light combination greatly depends on the stability of the light source, once the light parameter of the light source is changed, the light parameter after the final light combination has larger deviation, and the situation with high requirement on the light parameter can not be met. The two modes only display the theoretical light parameter after light combination for the user, and as long as the light parameter of the light source is changed for various reasons, the light parameter after light combination finally has a difference with the theoretical light parameter.

Disclosure of Invention

The invention discloses a self-adaptive accurate light combination method and a system thereof, which can effectively solve the technical problems related to the background technology.

In order to achieve the purpose, the technical scheme of the invention is as follows:

an adaptive accurate light combination method, comprising the following steps:

step one, a theoretical light parameter is sent out to a light source drive through an MCU to light an LED light source;

step two, collecting real-time light parameters of the LED light source through a light parameter sensor, and transmitting the real-time light parameters back to the MCU;

step three, after receiving the real-time light parameter, the MCU compares the real-time light parameter with a preset standard light parameter to obtain a corrected light parameter, and sends the corrected light parameter to the light source driver;

and step four, the light source drive adjusts the light parameter of the LED light source according to the received correction light parameter.

As a preferred improvement of the present invention: the light parameter includes color temperature, color rendering index and illumination intensity.

The invention also provides a self-adaptive accurate light combination system, which comprises:

an LED light source for emitting LED light;

the light source driver is connected with the LED light source to drive the LED light source to emit light;

the light parameter sensor is used for collecting real-time light parameters of the LED light source; and

and the MCU is connected with the light parameter sensor and the light source drive, and is used for receiving the real-time light parameter returned by the light parameter sensor, comparing the real-time light parameter with a preset standard light parameter to obtain a corrected light parameter, and controlling the light source drive to adjust the light parameter of the LED light source according to the corrected light parameter.

As a preferred improvement of the present invention: the LED light source comprises a COB light source and a surface light source made of a plurality of different types of lamp beads.

As a preferred improvement of the present invention: the light source drive is constant voltage drive or constant current drive.

As a preferred improvement of the present invention: the light parameter sensor comprises a color sensor, a color temperature sensor and a light ray sensor.

As a preferred improvement of the present invention: the MCU is a singlechip or a signal digital processor.

The invention has the following beneficial effects:

1. the pain points that the consistency of the light parameter is poor and the light parameter declines along with time in the traditional LED light combination mode are solved;

2. and a brand-new light combination mode is adopted, the difficulty of high requirements of light combination on the stability and consistency of the light source can be greatly reduced, the cost of the light source can be reduced, and the light source has a wide application prospect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 is a block diagram of an adaptive precise light-combining system according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a self-adaptive precise light-combining system, which includes an LED light source 1, a light source driver 2, a light parameter sensor 3, and an MCU 4. LED light source 1 is used for sending LED light, and is concrete, LED light source 1 includes but not only is limited to COB light source and the area source of being made by the lamp pearl of many different grade types, for example LED photography luminaire, LED stage lamp, LED view brightening lamp and LED light, as long as belong to the light source that emitting diode made and all belong to this LED light source 1.

The light source driver 2 is connected with the LED light source 1 to drive the LED light source 1 to emit light, and specifically, the light source driver 2 is a constant voltage driver or a constant current driver, which can be selected according to actual requirements.

The light parameter sensor 3 is used for collecting real-time light parameters of the LED light source 1, specifically, the light parameter sensor 3 includes but is not limited to a color sensor, a color temperature sensor and a light sensor, and the light parameters include but is not limited to color temperature, color rendering index and illumination intensity as long as the sensors capable of collecting corresponding light parameters all belong to the light parameter sensor 3.

The MCU4 is connected to the light parameter sensor 3 and the light source driver 2, and the MCU4 is configured to receive the real-time light parameter returned by the light parameter sensor 3, compare the real-time light parameter with a preset standard light parameter to obtain a modified light parameter, and control the light source driver 2 to adjust the light parameter of the LED light source 1 according to the modified light parameter. Specifically, the MCU4 includes, but is not limited to, a single chip microcomputer or a signal digital processor.

The invention also provides a self-adaptive accurate light combination method, which comprises the following steps:

step one, a theoretical light parameter is sent to a light source drive 2 through an MCU4 to light an LED light source 1;

step two, collecting real-time light parameters of the LED light source 1 through a light parameter sensor 3, and transmitting the real-time light parameters back to the MCU 4;

step three, after receiving the real-time light parameter, the MCU4 compares the real-time light parameter with a preset standard light parameter to obtain a corrected light parameter, and sends the corrected light parameter to the light source driver 2;

and step four, the light source driver 2 adjusts the light parameter of the LED light source 1 according to the received correction light parameter.

The invention has the following beneficial effects:

1. the pain points that the consistency of the light parameter is poor and the light parameter declines along with time in the traditional LED light combination mode are solved;

2. and a brand-new light combination mode is adopted, the difficulty of high requirements of light combination on the stability and consistency of the light source can be greatly reduced, the cost of the light source can be reduced, and the light source has a wide application prospect.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.