JPH02133645U - - Google Patents
Info
- Publication number
- JPH02133645U JPH02133645U JP4271989U JP4271989U JPH02133645U JP H02133645 U JPH02133645 U JP H02133645U JP 4271989 U JP4271989 U JP 4271989U JP 4271989 U JP4271989 U JP 4271989U JP H02133645 U JPH02133645 U JP H02133645U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- diaphragm
- sensor body
- seal
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案の一実施例の要部構成説明図、
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……センサボデイ、１１……第１導通孔、１
２……第２導通孔、１３……第３導通孔、２……
差圧センサ、２１……第１測定室、２２……第２
測定室、３……第１過大圧防止ダイアフラム、３
１……第１過大圧防止室、３２……第１弁座、３
３……第１スプリング、４……第１シールダイア
フラム、４１……第１シール室、５……第２過大
圧防止ダイアフラム、５１……第１過大圧防止室
、６……第２シールダイアフラム、６１……第２
シール室、６２……第２弁座、６３……第２スプ
リング、７……フランジ、７１……第１受圧室、
７２……第２受圧室、７３……第１導入孔、７４
……第２導入孔、８１……第４導通孔、８２……
第５導通孔、８３……第１Ｏリング、８４……第
２Ｏリング、８５……第３Ｏリング、８６……第
４Ｏリング、１０１……第１封入液、１０２……
第２封入液、１０３……第３封入液。
FIG. 1 is an explanatory diagram of the main part configuration of an embodiment of the present invention,
FIG. 2 is a diagram illustrating the configuration of a conventional example that has been commonly used. 1... Sensor body, 11... First conduction hole, 1
2...Second conduction hole, 13...Third conduction hole, 2...
Differential pressure sensor, 21...first measurement chamber, 22...second
Measurement chamber, 3...First overpressure prevention diaphragm, 3
1...First overpressure prevention chamber, 32...First valve seat, 3
3...First spring, 4...First seal diaphragm, 41...First seal chamber, 5...Second overpressure prevention diaphragm, 51...First overpressure prevention chamber, 6...Second seal diaphragm , 61...second
Seal chamber, 62... second valve seat, 63... second spring, 7... flange, 71... first pressure receiving chamber,
72...Second pressure receiving chamber, 73...First introduction hole, 74
...Second introduction hole, 81...Fourth conduction hole, 82...
5th conduction hole, 83... 1st O-ring, 84... 2nd O-ring, 85... 3rd O-ring, 86... 4th O-ring, 101... 1st sealed liquid, 102...
Second filled liquid, 103...Third filled liquid.
Claims (1)
定室を有する差圧センサと、 前記センサボデイの１面に設けられ前記センサ
ボデイと第１過大圧防止室を構成する第１過大圧
防止ダイアフラムと、 該第１過大圧防止ダイアフラムの周囲にリング
状に設けられ前記センサボデイと第１シール室を
構成する第１シールダイアフラムと、 前記センサボデイの１面に設けられ前記センサ
ボデイと第２過大圧防止室を構成する第２過大圧
防止ダイアフラムと、 該第２過大圧防止ダイアフラムの周囲にリング
状に設けられ前記センサボデイと第２シール室を
構成する第２シールダイアフラムと、 前記第１過大圧防止ダイアフラムの中央に取付
けられた第１弁座と、 前記第１過大圧防止室に設けられ該第１弁座を
押圧する第１スプリングと、 前記第２過大圧防止ダイアフラムの中央に取付
けられた第２弁座と、 前記第２過大圧防止室に設けられた該第２弁座
を押圧する第２スプリングと、 前記測定室の一方と前記第１シール室とを連通
する第１導通孔と、 前記測定室の他方と前記第１過大圧防止室と前
記第２シール室とを連通する第２導通孔と、 前記第１シール室と前記第２過大圧防止室とを
連通する第３導通孔と、 前記センサボデイの一面に一面が取付けられた
ブロツク状のフランジと、 該フランジの一面に前記第１過大圧防止ダイア
フラムと前記第１シールダイアフラムに対向して
設けられた第１受圧室と、 前記フランジの一面に前記第２過大圧防止ダイ
アフラムと前記第２シールダイアフラムに対向し
て設けられた第２受圧室と、 前記フランジの他面に設けられ測定圧を導入す
る第１、第２導入孔と、 前記第１導入孔と前記第１、第２受圧室とを連
通する第４導通孔と、 前記第２導入孔と前記第１，第２受圧室とを連
通する第５導通孔と、 前記センサボデイと前記フランジとの間に設け
られ前記第１受圧室をシールする第１のＯリング
と、 前記センサボデイと前記フランジとの間に設け
られ前記第２受圧室をシールする第２のＯリング
と、 前記第４導通孔の開口部に前記第１弁座に対向
して設けられ前記第１弁座をシールする第３のＯ
リングと、 前記第５導通孔の開口部に前記第２弁座に対向
して設けられ前記第２弁座をシールする第４のＯ
リングとを具備してなる差圧測定装置。[Claims for Utility Model Registration] A block-shaped sensor body, a differential pressure sensor provided inside the sensor body and having first and second measurement chambers, and a differential pressure sensor provided on one surface of the sensor body and connected to the sensor body and a first overpressure chamber. a first overpressure prevention diaphragm constituting a prevention chamber; a first seal diaphragm provided in a ring shape around the first overpressure prevention diaphragm and constituting the sensor body and a first seal chamber; a second overpressure prevention diaphragm provided to constitute the sensor body and a second overpressure prevention chamber; and a second seal provided in a ring shape around the second overpressure prevention diaphragm to configure the sensor body and a second seal chamber. a diaphragm, a first valve seat attached to the center of the first overpressure prevention diaphragm, a first spring provided in the first overpressure prevention chamber to press the first valve seat, and the second overpressure. a second valve seat attached to the center of the prevention diaphragm; a second spring that presses the second valve seat provided in the second overpressure prevention chamber; one of the measurement chambers and the first seal chamber; a first conduction hole that communicates with the other of the measurement chambers, the first overpressure prevention chamber, and the second seal chamber; a second conduction hole that communicates the first seal chamber with the second overpressure prevention chamber; a third through hole communicating with the chamber; a block-shaped flange having one side attached to one side of the sensor body; and a block-shaped flange provided on one side of the flange facing the first overpressure prevention diaphragm and the first seal diaphragm. a second pressure receiving chamber provided on one surface of the flange to face the second overpressure prevention diaphragm and the second seal diaphragm; and a second pressure receiving chamber provided on the other surface of the flange for receiving measured pressure. first and second introduction holes for introduction; a fourth communication hole for communicating the first introduction hole and the first and second pressure receiving chambers; and the second introduction hole and the first and second pressure receiving chambers. a first O-ring provided between the sensor body and the flange and sealing the first pressure receiving chamber; and a first O ring provided between the sensor body and the flange and communicating with the second pressure receiving chamber. a second O-ring for sealing the chamber; and a third O-ring provided at the opening of the fourth conduction hole to face the first valve seat and sealing the first valve seat.
a fourth O ring, which is provided at the opening of the fifth conduction hole to face the second valve seat and seals the second valve seat.
A differential pressure measuring device comprising a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271989U JPH079063Y2 (en) | 1989-04-12 | 1989-04-12 | Differential pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271989U JPH079063Y2 (en) | 1989-04-12 | 1989-04-12 | Differential pressure measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02133645U true JPH02133645U (en) | 1990-11-06 |
| JPH079063Y2 JPH079063Y2 (en) | 1995-03-06 |
Family
ID=31554510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4271989U Expired - Lifetime JPH079063Y2 (en) | 1989-04-12 | 1989-04-12 | Differential pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079063Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010540903A (en) * | 2007-09-20 | 2010-12-24 | ローズマウント インコーポレイテッド | Improved differential pressure sensor separation in process fluid pressure transmitters |
-
1989
- 1989-04-12 JP JP4271989U patent/JPH079063Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010540903A (en) * | 2007-09-20 | 2010-12-24 | ローズマウント インコーポレイテッド | Improved differential pressure sensor separation in process fluid pressure transmitters |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079063Y2 (en) | 1995-03-06 |