Control system and control method of light-emitting diode (LED) illumination

Abstract

The invention discloses a control method of light-emitting diode (LED) illumination. The method comprises the steps: judging whether a person exists in an LED lighting space or not; when the fact that the person exists in the lighting space, driving a charge coupled device (CCD) sensor to conduct image collection on the lighting space with the person; carrying out pre-processing on multiple images collected in the same lighting space within a certain preset time period; carrying out fusion on the pre-processed multiple images through a wavelet fusion technology to obtain a fusion image; calculating an average gray-value of the fusion image, comparing the average gray-value with a preset standard value, and judging whether the average gray-value of the fusion image exceeds the preset standard value or not; and controlling an LED lamp to adjust the illumination when the average gray-value of the fusion image exceeds the preset standard value. The invention discloses a control system of the LED illumination. The situation that adjustment on the LED illumination is conducted in real time according to change of factors such as actual illumination situations of the lighting space and behavior situations of people is achieved, and energy consumption of the LED lamp is correspondingly reduced under the situation that the enough illumination is guaranteed.

Description

technical field [0001] The invention relates to the field of LED lighting, in particular to an LED illuminance control system and method. Background technique [0002] Traditional LED lighting has decentralized control, high manpower requirements, low timeliness and low degree of automation. At present, automatic lighting control systems have been widely used in the field of LED lighting. The existing LED illuminance control system uses infrared sensors and light sensors to collect light intensity, and adjusts the LED illuminance according to the collected data. There are disadvantages such as cumbersome line layout and inaccurate control range. Contents of the invention [0003] In order to solve the above problems, a technical solution adopted in the present invention is: [0004] An LED illumination control system is provided, comprising a processing unit, an infrared sensor, a sound sensor, at least one CCD sensor and at least one LED lamp electrically connected to t...

AI Technical Summary

Problems solved by technology

[0002] Traditional LED lighting has scattered control, high manpower requirements, low timeliness and low degree of automation. At present, automatic lighting control systems have been widely used in the field of LED lighting

The existing LED illuminance control system uses infrared sensors and light sensors to collect light intensity, and adjusts the LED illuminance according to the collected data. Disadvantages such as cumbersome line layout and inaccurate control range

Images