JPH032232U - - Google Patents
Info
- Publication number
- JPH032232U JPH032232U JP6282389U JP6282389U JPH032232U JP H032232 U JPH032232 U JP H032232U JP 6282389 U JP6282389 U JP 6282389U JP 6282389 U JP6282389 U JP 6282389U JP H032232 U JPH032232 U JP H032232U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- receives
- water pressure
- water
- compartment
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案による圧力センサの断面図、第
２図は第１図の要部拡大図、第３図は第１図の基
板周辺の拡大図である。
１……ケース、２……固定部材、２ａ……連通
孔、２ｂ……台部、３……圧力検出部材、４……
第１の受圧部材、５……第２の受圧部材、６……
オイル、７……基板、８……ゲージ抵抗、９……
導線、１０……受圧板、１１，１５……弾性材、
１２……金属ダイアフラム、１３……孔、１４…
…固定盤、ａ……土圧、ｂ……水圧、Ａ，Ｂ……
区画室。
FIG. 1 is a sectional view of a pressure sensor according to the present invention, FIG. 2 is an enlarged view of the main part of FIG. 1, and FIG. 3 is an enlarged view of the vicinity of the substrate in FIG. 1. DESCRIPTION OF SYMBOLS 1...Case, 2...Fixing member, 2a...Communication hole, 2b...Base part, 3...Pressure detection member, 4...
First pressure receiving member, 5... Second pressure receiving member, 6...
Oil, 7... Board, 8... Gauge resistance, 9...
Conductive wire, 10...Pressure plate, 11, 15...Elastic material,
12...metal diaphragm, 13...hole, 14...
...Fixed plate, a...Earth pressure, b...Water pressure, A, B...
Compartment room.
Claims (1)
て、ケースの内部に、連通孔を有する固定部材を
設けて２つの区画室を形成するとともに両区画室
を前記連通孔を介して連通可能とし、一方の区画
室を土圧および水圧を受ける第１の受圧部材で閉
塞するとともに他方の区画室を水圧のみを受ける
第２の受圧部材で閉塞し、前記ケースの内部に圧
力伝達流体を封入するとともに前記連通孔に圧力
検出部材を配設し、該圧力検出部材は、その一側
で土圧および水圧を、また他側で水圧のみを受け
ることを特徴とする圧力センサ。 A pressure sensor that is attached to an excavator or the like, in which a fixing member having a communication hole is provided inside the case to form two compartments, and both compartments can communicate with each other through the communication hole, and one The compartment is closed with a first pressure receiving member that receives earth pressure and water pressure, and the other compartment is closed with a second pressure receiving member that receives only water pressure, and the pressure transmitting fluid is sealed inside the case and the communication is made. A pressure sensor characterized in that a pressure detection member is disposed in the hole, and the pressure detection member receives earth pressure and water pressure on one side, and receives only water pressure on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6282389U JPH0623953Y2 (en) | 1989-05-30 | 1989-05-30 | Pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6282389U JPH0623953Y2 (en) | 1989-05-30 | 1989-05-30 | Pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH032232U true JPH032232U (en) | 1991-01-10 |
| JPH0623953Y2 JPH0623953Y2 (en) | 1994-06-22 |
Family
ID=31592324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6282389U Expired - Lifetime JPH0623953Y2 (en) | 1989-05-30 | 1989-05-30 | Pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623953Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016061050A (en) * | 2014-09-17 | 2016-04-25 | エポコラム機工株式会社 | Soil pressure measuring device |
-
1989
- 1989-05-30 JP JP6282389U patent/JPH0623953Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016061050A (en) * | 2014-09-17 | 2016-04-25 | エポコラム機工株式会社 | Soil pressure measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623953Y2 (en) | 1994-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |