JPH0453534U - - Google Patents
Info
- Publication number
- JPH0453534U JPH0453534U JP9637690U JP9637690U JPH0453534U JP H0453534 U JPH0453534 U JP H0453534U JP 9637690 U JP9637690 U JP 9637690U JP 9637690 U JP9637690 U JP 9637690U JP H0453534 U JPH0453534 U JP H0453534U
- Authority
- JP
- Japan
- Prior art keywords
- communication hole
- pressure receiving
- chamber
- neck
- welding
- 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.)
- Pending
Links
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図は第１図のＡ−Ａ断面図、第３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。
１……ハウジング、２……高圧側フランジ、３
……低圧側フランジ、４，５……導入口、６……
圧力測定室、６Ａ，６Ｂ，１０Ａ，１１Ａ……バ
ツクプレート、７……センタダイアフラム、８…
…シリコンダイアフラム、１０，１１……圧力導
入室、１２，１３……隔液ダイアフラム、１４，
１５……連通孔、８０……ストレインゲージ、８
１，８２……センサ室、２１……底部、２２……
第１連通孔、２３……一方の室、２４……第１連
通孔溶接部、２５……第２連通孔、２６……他方
の室、２７……第２連通孔溶接部、１０１，１０
２……封入液、１Ａ……首部、１Ｂ……受圧部、
１Ｃ……溶接、ａ……接合部。
FIG. 1 is an explanatory diagram of the main part configuration of an embodiment of the present invention,
FIG. 2 is a sectional view taken along the line A-A in FIG. 1, and FIG. 3 is an explanatory diagram of the configuration of a conventional example that has been commonly used. 1...Housing, 2...High pressure side flange, 3
...Low pressure side flange, 4, 5...Inlet, 6...
Pressure measurement chamber, 6A, 6B, 10A, 11A... Back plate, 7... Center diaphragm, 8...
... Silicon diaphragm, 10, 11 ... Pressure introduction chamber, 12, 13 ... Liquid diaphragm, 14,
15...Communication hole, 80...Strain gauge, 8
1, 82...sensor chamber, 21...bottom, 22...
First communication hole, 23... One chamber, 24... First communication hole welded part, 25... Second communication hole, 26... Other chamber, 27... Second communication hole welded part, 101, 10
2...Sealed liquid, 1A...Neck, 1B...Pressure receiving part,
1C...Welding, a...Joint part.
Claims (1)
サ室を具備する首部と 該首部の端部外周縁部において溶接接続された
受圧部と を備えるハウジング を具備する差圧測定装置において、 前記筒状の首部に設けられた底部と、 該底部に設けられ前記受圧部の一方の室を前記
一方のセンサ室に連通する第１連通孔と、 前記底部の該第１連通孔の周囲に同心円状にリ
ング状に設けられ前記首部と前記受圧部の接合部
の一部を溶接する第１連通孔溶接部と、 前記底部に設けられ前記受圧部の他方の室を前
記他方のセンサ室に連通する第２連通孔と、 前記底部の該第２連通孔の周囲に同心円状にリ
ング状に設けられ前記首部と前記受圧部の接合部
の一部を溶接する第２連通孔溶接部と を具備したことを特徴とする差圧測定装置。[Claims for Utility Model Registration] A differential pressure measuring device comprising a housing comprising a neck portion having two sensor chambers separated by a measuring diaphragm and a pressure receiving portion welded to the outer peripheral edge of the neck portion. , a bottom provided in the cylindrical neck; a first communication hole provided in the bottom that communicates one chamber of the pressure receiving section with the one sensor chamber; and a first communication hole in the bottom. a first communication hole welding part provided concentrically in a ring shape around the periphery and welding a part of the joint between the neck part and the pressure receiving part; and a first communication hole welding part provided in the bottom part and connecting the other chamber of the pressure receiving part to the other sensor. a second communication hole that communicates with the chamber; and a second communication hole welding section that is provided in a concentric ring shape around the second communication hole in the bottom and welds a part of the joint between the neck and the pressure receiving section. A differential pressure measuring device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9637690U JPH0453534U (en) | 1990-09-13 | 1990-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9637690U JPH0453534U (en) | 1990-09-13 | 1990-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453534U true JPH0453534U (en) | 1992-05-07 |
Family
ID=31835853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9637690U Pending JPH0453534U (en) | 1990-09-13 | 1990-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453534U (en) |
-
1990
- 1990-09-13 JP JP9637690U patent/JPH0453534U/ja active Pending