Person or object passage detector for use in comfort automation providing equipment in e.g. housing, has detection head provided with unobtrusive units constituting hooking ring and chamfer for removably assembling concealing elements

摘要

The detector has a detection head (1) mounted on a support (2) that is pivotally connected to a fixation base (3). The detection head is provided with unobtrusive units constituting hooking ring (4) and a peripheral chamfer for removably assembling concealing elements (6, 7) i.e. quadrangular shaped blade. The ring is hooked on an upper part of the detection head, and the chamfer extends inward and upward below the detection head. A peripheral groove is provided on upper surface of the ring, and is cooperated with an upper part of the concealing elements.