JP2018179769A5

JP2018179769A5 -

Info

Publication number: JP2018179769A5
Application number: JP2017079981A
Authority: JP
Filing date: 2017-04-13
Publication date: 2019-12-26
Anticipated expiration: 2037-04-13

Description

本発明の電力量計は、壁面に設置されることを前提とする電力量計であって、前記壁面への設置状態において、前記壁面に対向する背面板部と、前記背面板部から前方に向かって立ち上がり、両側部および天面部を囲うＵ字状の枠部を有するベース部材と、前記枠部の内側に収納され、電力を計量する計量部と、前記計量部を含む前記ベース部材を覆うカバーと、を備え、前記枠部は、外周に沿って天面から両側面の下端に向けて延びる主溝と、前記主溝のうち前記両側面に形成された部分に一端が連通し、他端が背面側で開口した複数の副溝と、が形成されていることを特徴とする。
The watt hour meter of the present invention is a watt hour meter that is presumed to be installed on a wall surface, and in a state of being installed on the wall surface, a back plate portion facing the wall surface, and forward from the back plate portion. headed up, a base member having a U-shaped frame portion surrounding the sides and top portion, is housed inside the frame portion, and a metering unit for metering the power, the base member including the measuring section and a cover for covering said frame portion includes a main groove extending toward the lower end of both side surfaces from the top surface along the periphery, one end portion formed on the opposite sides of the main groove communicates And a plurality of sub-grooves whose other ends are open on the back side.

Claims

It is a watt hour meter that is assumed to be installed on the wall,
In the installation state on the wall,
A back plate portion facing the wall surface, a base member having a U-shaped frame portion that rises forward from the back plate portion and surrounds both side portions and a top surface portion,
Housed inside the frame portion, and a metering unit for metering the power,
And a cover for covering the base member including the weighing unit,
The frame portion ,
A main groove extending from the top surface along the outer periphery toward the lower end of both side surfaces, a plurality of sub-grooves communicating one end portion formed on the side surfaces and the other end opened at the rear side of the main groove And a watt hour meter.

The watt-hour meter according to claim 1, wherein the other end of the sub-groove is apart from the wall surface.

3. The watt hour meter according to claim 1, wherein an end surface on a back side of a portion of the cover that covers the sub-groove is further away from the wall surface than the other end of the sub-groove. 4.

The frame portion is inclined such that the other end of the sub-groove is located below the one end.
The watt-hour meter according to any one of claims 1 to 3, wherein:

5. The watt hour meter according to claim 4 , wherein a position Pid at the one end of the lower wall surface of the sub-groove is located above a position Peu at the other end of the upper wall surface of the sub-groove. 6. .

The watt-hour meter according to claim 5 , wherein the position Pid is located above a position Pxu of an intersection between an upper wall surface of the sub-groove and a rear end surface of the cover.

The watt-hour meter according to any one of claims 1 to 6 , wherein a portion formed on the top surface of the main groove has an inclination so as to be downward toward a side portion.