JPS62153545U

JPS62153545U -

Info

Publication number: JPS62153545U
Application number: JP4274686U
Authority: JP
Priority date: 1986-03-24
Filing date: 1986-03-24
Publication date: 1987-09-29
Also published as: JPH048344Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の構成説明図、第２
図は従来より一般に使用されている従来例の構成
説明図である。１……本体、１１……室、１０３，１０４，１
０５……封入液体、１２……第１測定室、１３…
…第２測定室、１６，１７……連通孔、２１……
測定ダイアフラム、２２，２３……固定電極、２
４，２５……絶縁体、６１……ハウジング、６１
１……内部空所、６２，６３……保護壁、６２１
，６３１……バツクアツプネスト、６２２，６３
２……穴、６４，６５……オーバーレンジダイア
フラム、６４１，６５１……オーバーレンジ室、
７１，７２……チユーブ、７３，７４……シール
ダイアフラム、７３１，７４１……シール室、８
１，８２……カバー。 Figure 1 is an explanatory diagram of the configuration of one embodiment of the present invention;
The figure is an explanatory diagram of the configuration of a conventional example that has been commonly used. 1... Main body, 11... Chamber, 103, 104, 1
05... Enclosed liquid, 12... First measurement chamber, 13...
...Second measurement chamber, 16, 17...Communication hole, 21...
Measuring diaphragm, 22, 23...Fixed electrode, 2
4, 25... Insulator, 61... Housing, 61
1... Internal void, 62, 63... Protective wall, 621
, 631...backup nest, 622, 63
2...hole, 64,65...overrange diaphragm, 641,651...overrange chamber,
71,72...Tube, 73,74...Seal diaphragm, 731,741...Seal chamber, 8
1,82...Cover.

Claims

[Scope of utility model registration request]

A block-shaped main body, a chamber provided inside the main body, a measuring diaphragm which divides the chamber into a first and a second measuring chamber and functions as a moving electrode, and a measuring diaphragm arranged opposite to the measuring diaphragm through an insulator. a fixed electrode provided on the chamber wall; a ring-shaped housing;
a plate-shaped protective wall that covers both sides of the housing and forms an internal space with the housing; and an overrange diaphragm that is provided on at least one inner surface of the protective wall and forms an overrange chamber with the protective wall. a cover that covers an outer surface of the protective wall; one end connected to the main body and the other end connected to the protective wall so as to support the main body within the internal cavity with a gap around the main body; a seal diaphragm provided on the outer surface of the protection wall and forming a seal chamber; a back-up nest provided in the protection wall opposite to the seal diaphragm; the overrange chamber and the seal chamber; a communication hole that communicates the seal chamber and the first measurement chamber or the second measurement chamber through the tube; and a communication hole that communicates the seal chamber and the first measurement chamber or the second measurement chamber through the tube; A differential pressure measuring device comprising at least two chambers each comprising a range chamber, the seal chamber, the communication hole, and the hole, each of which is filled with a sealed liquid.