JPS6384533U - - Google Patents
Info
- Publication number
- JPS6384533U JPS6384533U JP17968086U JP17968086U JPS6384533U JP S6384533 U JPS6384533 U JP S6384533U JP 17968086 U JP17968086 U JP 17968086U JP 17968086 U JP17968086 U JP 17968086U JP S6384533 U JPS6384533 U JP S6384533U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- reference pressure
- transmitter
- chamber
- absolute
- 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 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案に係る絶対圧力発信器の基準圧
力室密封構造の一実施例を説明するための発信器
検出部の概略断面図、第２図はその要部拡大断面
図、第３図は本考案の別の実施例を示す要部拡大
断面図である。
１……検出部ボデイを構成する本体ボデイ、２
，３……基準圧、被測定圧の測圧用バリアダイヤ
フラム、４……シリコンオイル（圧力伝達媒体）
、５……基準側測圧室、６……被測定側測圧室、
７……基準圧力室、８……検出部ボデイを構成す
る蓋体、９……真空引き用パイプ（基準圧力導入
用パイプ）、１０ａ……半導体圧力センサ（圧力
検出手段）、１１ａ，１１ｂ；１１ｃ……連通路
、１２……弁機構、１３……弁室、１４……ねじ
プラグ、１４ａ……先端プラグ部、２０……ボー
ル。
Fig. 1 is a schematic sectional view of the transmitter detection section for explaining one embodiment of the reference pressure chamber sealing structure of the absolute pressure transmitter according to the present invention, Fig. 2 is an enlarged sectional view of the main part thereof, and Fig. 3 FIG. 2 is an enlarged sectional view of a main part showing another embodiment of the present invention. 1... Main body forming the detection unit body, 2
, 3... Barrier diaphragm for measuring reference pressure and measured pressure, 4... Silicone oil (pressure transmission medium)
, 5...Reference side pressure measurement room, 6...Measurement side pressure measurement room,
7...Reference pressure chamber, 8...Lid constituting the detector body, 9...Evacuation pipe (reference pressure introduction pipe), 10a...Semiconductor pressure sensor (pressure detection means), 11a, 11b; 11c...Communication path, 12...Valve mechanism, 13...Valve chamber, 14...Threaded plug, 14a...Tip plug portion, 20...Ball.
Claims (1)
ダイヤフラムを介して対向し一定の基準圧力状態
で維持される基準圧力室を備えてなる絶対圧力発
信器において、前記基準圧力室とこれを形成する
発信器検出部ボデイから外方に突設され室内を基
準圧力に設定するための基準圧力導入用パイプと
の間を、前記ボデイ内に形成した連通路により連
通させるとともに、この連通路途中に外部操作に
より流路を開閉する弁機構を設けたことを特徴と
する絶対圧力発信器の基準圧力室密封構造。 In an absolute pressure transmitter comprising a reference pressure chamber that faces a reference side pressure measurement chamber containing a pressure transmission medium via a barrier diaphragm and is maintained at a constant reference pressure state, the absolute pressure transmitter forms this with the reference pressure chamber. A communication passage formed in the body communicates with a reference pressure introduction pipe that projects outward from the transmitter detection unit body and sets the interior pressure to a reference pressure, and an external A reference pressure chamber sealed structure of an absolute pressure transmitter characterized by being provided with a valve mechanism that opens and closes a flow path by operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17968086U JPS6384533U (en) | 1986-11-25 | 1986-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17968086U JPS6384533U (en) | 1986-11-25 | 1986-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6384533U true JPS6384533U (en) | 1988-06-02 |
Family
ID=31122950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17968086U Pending JPS6384533U (en) | 1986-11-25 | 1986-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6384533U (en) |
-
1986
- 1986-11-25 JP JP17968086U patent/JPS6384533U/ja active Pending