JPS6355928U

JPS6355928U -

Info

Publication number: JPS6355928U
Application number: JP15087586U
Authority: JP
Priority date: 1986-10-01
Filing date: 1986-10-01
Publication date: 1988-04-14

Description

[Brief explanation of drawings]

第１図ａは本考案の一実施例の電気湯沸し器を
示す要部横断面図、第１図ｂは同電気湯沸し器の
動作状態図、第２図は同電気湯沸し器の要部縦断
面図、第３図は同電気湯沸し器の一部を破断した
斜視図、第４図は従来の電気湯沸し器の縦断面図
、第５図は同電気湯沸し器を示す要部横断面図で
ある。１……本体、２……容器、７……液量表示管、
８……液量表示窓、９……フロート、１１……保
持ケース、１２……投光素子、１３……受光素子
、１３ａ……受光部、１５……孔、１５ａ……開
口面、１５ｂ……孔内壁。 Figure 1a is a cross-sectional view of the main parts of an electric water heater according to an embodiment of the present invention, Figure 1b is a diagram of the operating state of the electric water heater, and Figure 2 is a longitudinal cross-section of the main parts of the electric water heater. Figure 3 is a partially cutaway perspective view of the electric water heater, Figure 4 is a vertical sectional view of the conventional electric water heater, and Figure 5 is a cross-sectional view of the main parts of the electric water heater. . 1...Body, 2...Container, 7...Liquid level display tube,
8...Liquid level display window, 9...Float, 11...Holding case, 12...Light emitter, 13...Light receiving element, 13a...Light receiving section, 15...Hole, 15a...Opening surface, 15b ...Inner wall of the hole.

Claims

[Scope of Claim for Utility Model Registration] (1) A hot water storage container provided inside the main body, a liquid level display tube that communicates with the container and changes the liquid level in response to changes in the liquid level in the container; A float provided in the liquid level display tube and that moves up and down in response to changes in the liquid level in the liquid level display tube, and a liquid level display window provided in the main body portion located outside the liquid level display tube. , a light emitting element and a light receiving element disposed facing each other on the outside of the liquid level display tube, and a holding case for housing and holding at least the light receiving element, and a light receiving hole provided in the holding case. An electric water heater in which the inner wall of the hole has a longer depth and the light receiving part of the light receiving element is arranged outside the area of light that enters the opening surface of the hole from the liquid level display window. (2) The electric water heater according to claim 1, wherein the light-receiving hole has an opening surface that is in contact with the liquid level display tube.