JPS6112190U

JPS6112190U - differential heat sensor

Info

Publication number: JPS6112190U
Application number: JP9551184U
Authority: JP
Inventors: 智之井上; 正博佐々木
Original assignee: 松下電工株式会社
Priority date: 1984-06-25
Filing date: 1984-06-25
Publication date: 1986-01-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図乃至第４図は従来例を示し、第１図は断面正面図
、第２図及び第３図はダイヤフラムの正面図、第４図は
要部の正面図である。第５図乃至第６図は本考案の実施例を示し、第５図は要
部の正面図、第６図ａ，ｂは夫々絶縁部材の正面図、
側面区である。１・・・差動式熱感知器、２・・・感熱室、４・・・ダ
イヤフラム、５・・・細孔、６・・・周部、７・・・平
担部、８・・・絶縁部材、９・・・可動接点、１０・・
・固定接点、１１・・・空気逃し孔、１２・・・可動接
点ばね。一Ｉ1 to 4 show a conventional example, in which FIG. 1 is a sectional front view, FIGS. 2 and 3 are a front view of the diaphragm, and FIG. 4 is a front view of the main parts. 5 to 6 show an embodiment of the present invention, FIG. 5 is a front view of the main part, FIGS. 6 a and 6 are front views of the insulating member, respectively.
It is a side ward. DESCRIPTION OF SYMBOLS 1... Differential heat sensor, 2... Heat sensitive chamber, 4... Diaphragm, 5... Pore, 6... Surrounding part, 7... Flat part, 8... Insulating member, 9... Movable contact, 10...
- Fixed contact, 11... Air relief hole, 12... Movable contact spring. I

Claims

[Scope of utility model registration request]

In a differential heat sensor that opens and closes contacts by displacement of a diaphragm due to thermal expansion of air in a heat-sensing chamber, the diaphragm has a flat part in the center, a wavy peripheral part, and a leak hole in the flat part. and an insulating member interposed between the movable contact spring and the flat portion of the diaphragm is provided with an air relief portion corresponding to the leak hole.