Advantages and disadvantages of PIR sensor led fluorescent tube
The biggest advantage of PIR sensor led fluorescent tube is that it is efficient, energy-saving, intelligent, without manual intervention, convenient and economical, and has been widely adopted.
PIR sensor led fluorescent tube structure principle
Most of the infrared sensor LEDs on the market are designed with two sensitive elements, the sensing angle is 120 degrees, the window is small, and the focal length of the Fernier filter is small, so the sensing distance is short. Langte's latest technology is designed with four sensitive elements, the sensing angle is 150 degrees, and the large window is used, so the sensing distance is long.
The shortcomings of PIR sensor led fluorescent tube, infrared pyroelectric sensor's sensitivity to the car is also very much related to the direction of people's movement. It is the least sensitive to radial movement and most sensitive to transverse movement; therefore, the PIR sensor led fluorescent tube should be installed as parallel to the lane as possible, and the angle of the tube should be slightly adjusted during installation, and the probe direction should be as close as possible to the sensor that needs to be sensed. Area, so the sensing distance is far.
Precautions for PIR sensor led fluorescent tube:
1. Whether the lens or sensor window is covered by dust, dust can affect the sensitivity and sensing range, you can wipe it with a clean electrostatic cloth;
2. When the ambient temperature is close to the temperature of the human body, the detection and sensitivity are significantly reduced at 37 degrees, sometimes causing a short-term failure, commonly known as temperature drift. Langte adopts a temperature drift suppression design to effectively overcome this problem.
3. Strong anti-interference ability. Because the PIR sensor led fluorescent tube only works on the heat source.
