What Is a Two Axis Infrared Sensor?

What Is a Two Axis Infrared Sensor?

A two-axis infrared sensor is a type of motion detector that uses an infrared (IR) beam to detect objects or people in the surrounding area.two axis infrared sensor IR sensors are commonly used in security systems to monitor movement and act as an early warning system against intrusions. Generally, when the sensor detects a change in the surrounding infrared radiation that occurs due to human or object movement, it triggers an alarm or activates a connected device.

The working principle of a two-axis infrared sensor involves an optical lens that concentrates the incoming IR radiation onto the sensing element.two axis infrared sensor The infrared energy is then converted into an electric signal by the pyroelectric effect, which is a physical phenomenon that results from the temperature change in a particular material. The signal is then amplified by the sensor’s amplifier to generate an output voltage. Depending on the value of the signal, the sensor can be configured to perform specific tasks.

IR sensors have many applications, but their main use is in motion detection systems.two axis infrared sensor This technology is particularly effective in securing premises and identifying possible threats. IR sensors work by detecting the changes in infrared radiation around them, which is emitted by people and other sources of heat. When a person or an object moves in the vicinity of the sensor, it disturbs the background infrared radiation and generates an electric signal that is detected by the sensor. The signal is then translated into an action, such as turning on a light or activating a security camera.

Other common uses of IR sensors include fire and intrusion detection, where they identify abnormal heat patterns that may indicate the presence of an intruder. They are also often used in automated door systems, where they sense an individual’s approach and activate the doors’ opening mechanism. This is a hands-free, convenient way to enter a building and can help keep a property safe while ensuring the safety of residents during emergencies such as pandemics.

However, infrared sensors are prone to environmental conditions that can affect their performance and lead to false alarms. For example, sudden temperature fluctuations or high humidity can confuse the sensor and cause it to interpret them as a human presence. In addition, large obstacles, like walls and furniture, can block the sensor’s field of view, reducing its effectiveness.

To address these issues, the design of a two-axis infrared sensors typically includes a plastic window that is translucent to visible light but transparent to IR energy. This window prevents foreign objects, such as dust and insects, from obscuring the sensor’s field of view and triggering unnecessary alarms. It can also act as a focusing mechanism, helping the sensor to focus on infrared radiation emitted by humans or other human-shaped objects.

Tags:2 axis 1kg eo sensor | eoir sensor | two axis electro optical infrared sensor | two axis electro optical sensor