Solid-state electricity meter

G - Physics – 01 – R

Patent

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Details

G01R 11/04 (2006.01) G01R 22/00 (2006.01)

Patent

CA 2451298

A solid-state electricity meter uses a sensor to measure a current supplied to a load. In one aspect, the electricity meter housing includes a meter base, a register cover, and a meter cover. The meter base includes a plurality of meter cover lock lock notches disposed about a periphery of the meter base. The register cover includes a plurality of secure ramps disposed on a base portion thereof, each secure ramp having a ramped portion along one side and a land portion. The meter cover includes a plurality of locking tabs corresponding to the meter cover lock notches and further includes a plurality of meter cover locks corresponding to the secure ramps. Upon insertion of the meter cover locking tabs into the meter base lock notches and rotation of the meter cover in a predetermined clockwise or counterclockwise direction, the meter cover locks engage the corresponding secure ramps, thereby biasing the meter cover locking tabs against the backside of the meter base to provide a secure connection.

L'invention porte sur un compteur électrique transistorisé utilisant un détecteur pour mesurer le courant fourni à une charge. Dans l'une des variantes, le boîtier du compteur comporte une base, un couvercle des cadrans et un couvercle général. Le pourtour de la base comporte plusieurs encoches de fixation du couvercle général. Le couvercle des cadrans comporte plusieurs rampes de fixation formées à sa base et présentant chacune une partie inclinée d'un côté et un méplat. Le couvercle du compteur comporte plusieurs pattes de blocage correspondant aux encoches du compteur, ainsi que plusieurs verrous correspondant aux rampes. lorsqu'on introduit les pattes du couvercle général dans les encoches de la base, puis tourne le couvercle dans le sens horaire ou antihoraire, les verrous portent sur les rampes et repoussent les pattes contre le dos de la base du compteur assurant ainsi une fixation sûre.

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