JPS62153548U

JPS62153548U -

Info

Publication number: JPS62153548U
Application number: JP4274986U
Authority: JP
Priority date: 1986-03-24
Filing date: 1986-03-24
Publication date: 1987-09-29

Description

[Brief explanation of drawings]

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、１０３，１０４，１０５，１０６
，１０７……封入液体、１１……室、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、２４，２５……絶縁体、６０……
ケーシング、６１……ハウジング、６１１……内
部空所、６２，６３……保護壁、６２１，６３１
……バツクアツプネスト、６２２，６３２……連
結穴、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、７５，
７６……補助ダイアフラム、７５１，７６１……
補助室、８１，８２……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, 103, 104, 105, 106
, 107... Enclosed liquid, 11... Chamber, 12... First measurement chamber, 13... Second measurement chamber, 16, 17...
Communication hole, 21...Measuring diaphragm, 22, 23
... Fixed electrode, 24, 25 ... Insulator, 60 ...
Casing, 61... Housing, 611... Internal cavity, 62, 63... Protective wall, 621, 631
...Backup nest, 622,632...Connection hole, 64,65...Overrange diaphragm, 641,651...Overrange chamber, 71
, 72...Tube, 73, 74...Seal diaphragm, 731, 741...Seal chamber, 75,
76...Auxiliary diaphragm, 751,761...
Auxiliary room, 81, 82...cover.

Claims

[Scope of utility model registration request]

A block-shaped casing, a seal diaphragm provided at the center of the outer surface of the casing and forming a seal chamber, and a ring-shaped ring provided concentrically with the seal diaphragm at the outer edge of the outer surface of the casing and forming an auxiliary chamber. an auxiliary diaphragm, a cover that covers the outer surface of the casing, an internal space provided in the casing, a main body provided in the internal space, and a support for the main body with a gap maintained in the internal space. a tube with one end connected to the main body and the other end connected to the casing, a chamber provided inside the main body, and the chamber divided into a first and second measurement chamber, which also functions as a moving electrode. a fixed electrode provided on the chamber wall opposite to the measurement diaphragm via an insulator; and an overrangement electrode provided on the inner cavity wall facing the main body of the casing and forming an overrange chamber. a range diaphragm, a backup nest provided in the casing opposite to the overrange diaphragm, and a communication hole that communicates the seal chamber and the first measurement chamber or the second measurement chamber through the tube. , a connecting hole provided in the casing and communicating the auxiliary chamber and the overrange chamber, the first and second measurement chambers, the internal space, the overrange chamber, the auxiliary chamber, the seal chamber, and the A differential pressure measuring device comprising a sealed liquid filled in each of five chambers constituted by a communication hole and the connection hole.