JPH02109220U

JPH02109220U -

Info

Publication number: JPH02109220U
Application number: JP1758789U
Authority: JP
Priority date: 1989-02-17
Filing date: 1989-02-17
Publication date: 1990-08-31

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示す上面図、第
２図は第１図のＡ―Ａ断面図、第３図は測定具の
一例を示す外形図、第４図は測定具の目盛定めの
一例、第５図はこの考案の他の実施例を示す断面
図、第６図は測定具の他の一例を示す外形図、第
７図は従来の水路用液面計の一例を示す断面図、
第７図ａは管渠、第７図ｂは暗渠、第７図ｃは開
渠である。図において、１は水路、２は管渠、３は開渠、
４は暗渠、５は測定具、６は基板、７は目盛、８
は最深部、９は壁面、Ｄは最大水路幅、Ｈは流体
液位である。なお、各図中同一符号は同一又は相
当部分を示す。 Fig. 1 is a top view showing an embodiment of this invention, Fig. 2 is a sectional view taken along line AA in Fig. 1, Fig. 3 is an outline drawing showing an example of the measuring tool, and Fig. 4 is the scale of the measuring tool. FIG. 5 is a sectional view showing another embodiment of this invention, FIG. 6 is an outline drawing showing another example of the measuring device, and FIG. 7 is an example of a conventional waterway level gauge. cross section,
Fig. 7a shows a pipe, Fig. 7b shows an underdrain, and Fig. 7c shows an open culvert. In the figure, 1 is a waterway, 2 is a pipe culvert, 3 is an open culvert,
4 is a culvert, 5 is a measuring tool, 6 is a board, 7 is a scale, 8
is the deepest part, 9 is the wall surface, D is the maximum channel width, and H is the fluid level. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Scope of Claim for Utility Model Registration] (1) In a liquid level meter for a waterway that measures the fluid level of a waterway that has a free water surface and whose deepest point is the center of the bottom of the flowing water cross-sectional shape, A measuring device is provided with a scale on a substrate to indicate the fluid level from the lowest point to the highest liquid level, and the measuring device is attached along the internal wall surface in a direction that crosses the water channel, with one end located at the deepest point. A liquid level gauge for waterways that is characterized by: (2) The liquid level gauge for a waterway according to claim 1, wherein the scale indicates the fluid level at the inner wall surface position.