JPS62115111U - - Google Patents
Info
- Publication number
- JPS62115111U JPS62115111U JP20178185U JP20178185U JPS62115111U JP S62115111 U JPS62115111 U JP S62115111U JP 20178185 U JP20178185 U JP 20178185U JP 20178185 U JP20178185 U JP 20178185U JP S62115111 U JPS62115111 U JP S62115111U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- chamber
- introduction
- seal
- diaphragm
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図乃至第３図は、この考案の一実施例を示
し、第１図は、差圧伝送器の縦断面図、第２図は
、差圧が零状態の同要部の拡大断面図、第３図は
、過大圧力の印加状態の同要部の拡大断面図、第
４図は、従来の差圧伝送器を示す縦断面図である
。
１：差圧伝送器、２：ハウジング、３ａ，３ｂ
：導入室、５：検出室、７：圧力センサ、７ａ：
固定電極、７ｂ：受圧ダイヤフラム、８ａ，８ｂ
：連通路、９ａ，９ｂ：シールダイヤフラム、１
０ａ，１０ｂ：シールベローズ、１１ａ，１１ｂ
：外板、１２ａ，１２ｂ：内板、１３ａ，１３ｂ
，１４ａ，１４ｂ：封入液。
Figures 1 to 3 show an embodiment of this invention, with Figure 1 being a longitudinal sectional view of a differential pressure transmitter, and Figure 2 being an enlarged sectional view of the same essential parts when the differential pressure is zero. , FIG. 3 is an enlarged sectional view of the same essential part in a state where excessive pressure is applied, and FIG. 4 is a longitudinal sectional view showing a conventional differential pressure transmitter. 1: Differential pressure transmitter, 2: Housing, 3a, 3b
: Introduction chamber, 5: Detection chamber, 7: Pressure sensor, 7a:
Fixed electrode, 7b: Pressure receiving diaphragm, 8a, 8b
: Communication path, 9a, 9b: Seal diaphragm, 1
0a, 10b: Seal bellows, 11a, 11b
: Outer plate, 12a, 12b: Inner plate, 13a, 13b
, 14a, 14b: Filling liquid.
Claims (1)
検査室が中央部にそれぞれ形成されると共に、こ
の各導入室と検出室との間に連通路が穿設され、
前記導入室にシールダイヤフラムが設けられてこ
の導入室が圧力の導入側と検出側とに区画される
一方、前記検出室に圧力センサが設けられてこの
検出室が圧力センサの受圧ダイヤフラムにより２
つの受圧側に区画され、さらに前記導入室の検出
側における連通路の端部にシールベローズがこの
連通路を囲撓して設けられ、このシールベローズ
が前記受圧ダイヤフラムの許容変位内で変形する
ように構成され、前記シールダイヤフラムとシー
ルベローズ間及びシールベローズと受圧ダイヤフ
ラム間にそれぞれ封入液が充填されて成り、前記
受圧ダイヤフラムの最大変形内の変位量でシール
ベローズが連通路を開閉することを特徴とする差
圧伝送路。 Pressure introduction chambers are formed in the housing on both sides, and a pressure inspection chamber is formed in the center, and a communication path is bored between each of the introduction chambers and the detection chamber,
A seal diaphragm is provided in the introduction chamber, and the introduction chamber is divided into a pressure introduction side and a pressure detection side.A pressure sensor is provided in the detection chamber, and the detection chamber is divided into two areas by a pressure receiving diaphragm of the pressure sensor.
Further, a seal bellows is provided at the end of the communication passage on the detection side of the introduction chamber to surround the communication passage, and the seal bellows is deformed within the permissible displacement of the pressure receiving diaphragm. A sealed liquid is filled between the seal diaphragm and the seal bellows and between the seal bellows and the pressure-receiving diaphragm, and the seal bellows opens and closes the communication passage by a displacement within the maximum deformation of the pressure-receiving diaphragm. differential pressure transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20178185U JPS62115111U (en) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20178185U JPS62115111U (en) | 1985-12-26 | 1985-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62115111U true JPS62115111U (en) | 1987-07-22 |
Family
ID=31165554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20178185U Pending JPS62115111U (en) | 1985-12-26 | 1985-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62115111U (en) |
-
1985
- 1985-12-26 JP JP20178185U patent/JPS62115111U/ja active Pending
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