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New York Speed Contact

New York Speed Contact

New York Speed Contact The human body sensor switch is also called a pyroelectric body sensor switch or an infrared smart switch. It is an automatic control product based on infrared technology. When a person enters the sensing range, a special sensor detects changes in the infrared spectrum of...

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New York Speed Contact



The human body sensor switch is also called a pyroelectric body sensor switch or an infrared smart switch. It is an automatic control product based on infrared technology. When a person enters the sensing range, a special sensor detects changes in the infrared spectrum of the human body and automatically turns on the load. If the person does not leave the sensing range, it will continue to be connected; after the person leaves, the delay will be automatic. Turn off the load.


The main component of human body infrared sensor switch is human body pyroelectric infrared sensor. The human body has a constant body temperature, typically 36--37 degrees, so it emits infrared light of a specific wavelength. A passive infrared sensor works by detecting infrared radiation emitted by a human body. The 9.5um of infrared radiation emitted by the human body is focused on the infrared induction source by the Fresnel lens. The infrared induction source usually uses a pyroelectric element. This element loses the charge balance when it receives a change in the human body's infrared radiation temperature. The charge is released, and the subsequent circuit can trigger the switching action after detection and processing. If the person does not leave the sensing range, the switch will continue to be on; after the person leaves or does not act within the sensing area for a long time, the switch will automatically delay closing the load.

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