Infrared body sensor light principle

The infrared human body induction lamp has the characteristics of super energy saving, intelligent control, integration of light source and control module, and completely replaces the traditional corridor human body induction lamp, corridor sound and light control lamp and touch switch lamp. The working principle of LED human body induction lamps can be explained mainly from the following parts:
The LED human body induction lamp utilizes the thermal infrared radiation generated by humans. Using the human body sensing element of the lamp head part, the circular Fresnel filter is used to focus the thermal infrared rays on the surface of the sensing element to generate an electrical signal, which is processed and analyzed by the signal processing module, the delay switch module and the light sensing module. Whether the human body induction lamp is turned on or off under the detection value. In the built-in three modules, the thermal sensor module is responsible for detecting the thermal infrared rays of the human body, and the delay switch module is responsible for processing the range of the illumination duration, and the light sensing module is responsible for detecting the intensity of the light.
First, in the daytime or in a strong light environment, the value of the electrical signal detected by the light sensing module will control the whole lamp to be locked, even if someone passes through the range of the LED body sensor light. In the dark or night light, the light sensing module will turn on the induction light according to the detected light effect value, and the human body infrared heat sensing module is also activated. If the human body infrared heat sensing module senses that the human body is active in its range, an electrical signal will be generated, the signal causes the delay switch module to turn the light on, the LED light bulb is powered on, and the delay switch has a setting within 60 seconds. Value, if the person continues to be within the sensing range, the LED human body induction lamp is always bright. When the person leaves, the human body sensing module does not detect the human body infrared rays, and there is no signal to the delay switch, in about 60 seconds. The LED body sensor light will automatically turn off. At this time, each module is in a standby state, waiting for the next work cycle.
The LED human body induction lamp developed based on the working principle of human body infrared is the most intuitive function in use:
1. It is not bright when it is white or when the light is strong.
Second, when the light is dark at night, the lamps are on standby.
Third, in the standby state, when the human body enters the range of induction, the LED body sensor light is turned on.
4. If the person is active within its scope, the light is always on.
5. When the person leaves, the LED body sensor light will automatically turn off within 60 seconds.
Such a smart lamp brings people the benefit that people come to light and people go out. After the LED light source has been matured, the LED as a light source, combined with the human body sensing device, designed LED human body induction lamp, which adds a powerful feature of green energy saving.

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