Garage Door Light Beam Sensor Schematic

By | September 20, 2022



When it comes to garage door safety, one of the most important components is the light beam sensor. This device works to detect if a person or object is blocking the path of the garage door, which helps ensure that the door does not close on someone or something. While this technology is often taken for granted, understanding how it works can help you make more informed decisions when it comes to selecting a garage door opener and other safety features.

This article will provide an overview of the garage door light beam sensor schematic. We will look at the components of the system and discuss how they work together to provide a safe and secure environment for your garage. We will also explore the benefits of having a light beam sensor installed and why it is an essential part of any garage door safety system.

The light beam sensor schematic consists of two main components: the transmitter and the receiver. The transmitter emits a beam of light that is detected by the receiver. The receiver then sends a signal to the garage door opener, which then stops the door from closing if the beam is interrupted.

The light beam sensor consists of several parts, including the transmitter, the receiver, the photoelectric cell, the amplifier, and the control circuit. The transmitter is mounted on the side of the garage door, and when the door is opened, the transmitter emits a beam of light that is detected by the photoelectric cell in the receiver. The photoelectric cell then converts the light into an electrical signal that is amplified and sent to the control circuit.

Once the control circuit receives the signal, it triggers the garage door opener to stop the door from closing if the beam is interrupted. This ensures that no one or nothing is blocking the path of the door.

The benefits of having a light beam sensor installed are numerous. For starters, it makes it much easier to detect obstructions in the path of the garage door before it closes. It also adds another layer of security to your garage, as it helps ensure that no unauthorized access is possible. Additionally, it can help reduce the possibility of accidents, as it can detect if a person or object is blocking the way of the door before it closes.

In conclusion, the garage door light beam sensor schematic is an essential part of any garage door safety system. Understanding the components and how they work together can help you make an informed decision when selecting a garage door opener and other safety features. The addition of a light beam sensor can provide an extra layer of security, as well as reduce the risk of injury due to accidental closure of the door.


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