Snap connecting inner modules for an electric utility meter

G - Physics – 01 – R

Patent

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Details

G01R 1/04 (2006.01) G01R 1/00 (2006.01) G01R 11/04 (2006.01)

Patent

CA 2426415

Improved electric utility meter with an integrated structure (50) uses a minimum number of parts without requiring the use of screws, clips or other additional parts that make meter disassembly a tedious procedure. Meter casing includes a baseplate (64), at least two inner covers (52, 54) for housing and protecting electronic components of electric utility meter, an outer cover (62), and pluralities of projections extending from the covers for interconnection of casing components and stabilization of the integrated casing structure. The various electronic components of the meter includes electronic circuit boards (56) and current transformers (60). Casing module is secured and stabilized by interconnecting the outer cover (62) with other inner covers (52, 54), thus safeguarding against possible snap deflection. The additional use of cantilever springs and containment ribs (66) helps to ensure that the inner casing components will not move within the overall casing structure.

Cette invention concerne une structure intégrée (50) formant un boîtier amélioré pour un appareil de mesure d'énergie électrique, Cette structure améliorée ne nécessite l'emploi que d'un nombre minimum de pièces pour sa mise en oeuvre, à l'exclusion de vis, attaches et autres pièces qui rendent le désassemblage long et fastidieux. Le boîtier de l'appareil comprend une plaque de base (64), au moins deux couvercles intérieurs (52), (54) qui abritent et protègent les composants électroniques de l'appareil, un couvercle extérieur (62) et une pluralité de saillies partant des couvercles qui assurent l'interconnexion des composants du boîtier et assurent la stabilité de la structure de boîtier intégrée. Les divers composants électroniques englobent des plaquettes de circuits électroniques (56) et des transformateurs de courant (60). Pour la fixation stable du module de boîtier, on relie le couvercle extérieu (62) aux couvercles intérieurs (52) (54), ce qui exclut tout risque de flexion. De plus, l'utilisation de ressorts en porte-à-faux et de nervures de retenue (66) contribue à empêcher des déplacements des composants intérieurs dans la structure de boîtier.

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