A construction unit, comprising a light detector, and a...

G - Physics – 01 – N

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Details

G01N 27/407 (2006.01) G01N 33/00 (2006.01) H01L 23/58 (2006.01)

Patent

CA 2749111

The present invention embraces a construction unit ("K") comprising a light detector and mountable to a carrier ("B1"), such as a printed circuit card, and where said construction unit is adapted to be includable in a gas sensor-related arrangement ("A"). Said construction unit is assigned a plurality of first connection devices (4, 4a), which connection devices are adapted and distributed along a first surface portion (5) of said construction unit for an electric connection facility to second connection devices ((4), (4a)) related to said carrier ("B1"). Said construction unit ("K", 2) is adapted attachable to or placeable in the vicinity of a translucent recess ("Ba") formed in said carrier ("B1") for the formation of an aperture. An optoelectric sensor (44) is tightly placed against one side surface ("B1a") of said carrier ("B1") while a first light-generating means (1) is orientable, preferably as an individual unit, at an adapted distance from or along the other and opposite side surface ("B1b") of the carrier. Said optoelectric sensor (44) shall be protected by a transparent, or in any case partly transparent, cover plate (44a, 44b) alternatively a filter (44b').

La présente invention concerne une unité de structure ("K") comprenant un détecteur de lumière et pouvant être montée sur un support ("B1"), comme une carte de circuit imprimé, ladite unité de structure étant conçue pour être incluse dans un montage lié à un capteur de gaz ("A"). Ladite unité de structure reçoit une pluralité de premiers dispositifs de connexion (4, 4a), lesdits dispositifs de connexion étant conçus et distribués le long d'une première surface (5) de ladite unité de structure pour former un mécanisme de connexion électrique à des seconds dispositifs de connexion ((4), (4a)) liés au dit support ("B1"). Ladite unité de structure ("K", 2) est conçue pour pouvoir être fixée ou placée dans le voisinage d'un renfoncement translucide ("Ba") formé dans ledit support ("B1") pour la formation d'une ouverture. Un capteur optoélectrique (44) est placé tout contre une surface latérale ("B1a") dudit support ("B1") tandis qu'un premier moyen produisant de la lumière (1) est orientable, de préférence sous forme d'unité individuelle, à une distance appropriée de ou le long de l'autre surface latérale ("B1b") du support. Ledit capteur optoélectrique (44) devra être protégé par une plaque protectrice transparente (44a, 44b), ou dans tous les cas partiellement transparente, en variante par un filtre (44b').

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