JPS62143073U

JPS62143073U -

Info

Publication number: JPS62143073U
Application number: JP3068886U
Authority: JP
Priority date: 1986-03-04
Filing date: 1986-03-04
Publication date: 1987-09-09

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示し、第１図は要部
の縦断面図、第２図は部分縦断面図、第３図は第
二実施例の第２図相当図である。図中、１……絶縁体、２……取付金具、５……
中心電極、６……バインダー、７……外側電極、
８，２５……導光体、９，２６……受光面（受光
部）、１０……フオトダイオード（光電変換部）
、２２……フオトトランジスター（光電変換部）
。 The drawings show one embodiment of the present invention, in which FIG. 1 is a vertical cross-sectional view of a main part, FIG. 2 is a partial vertical cross-sectional view, and FIG. 3 is a view corresponding to FIG. 2 of the second embodiment. In the diagram, 1... Insulator, 2... Mounting bracket, 5...
Center electrode, 6...binder, 7...outer electrode,
8, 25... Light guide, 9, 26... Light receiving surface (light receiving section), 10... Photodiode (photoelectric conversion section)
, 22...Phototransistor (photoelectric conversion section)
.

Claims

[Claims for Utility Model Registration] 1. A utility model having a center electrode, an insulator that covers the tip of the center electrode so as to expose it, and a metal shell that fixes the insulator, and that protrudes from the metal shell. an ignition plug comprising a discharge gap between an outer electrode and a side surface of the tip of the center electrode; and a light receiving section on the center electrode, one end of which faces into the cylinder, and the other end connected to a photoelectric conversion section. a light guide, and the amount that the light receiving part of the light guide is exposed from the tip of the center electrode is set to 0 to 1.
An ignition timing detection sensor characterized by being set within a 5mm range. 2. The ignition timing detection sensor according to claim 1, wherein a binder having both heat resistance and airtightness is provided between the insulator and the center electrode.