JPH02118846U - - Google Patents
Info
- Publication number
- JPH02118846U JPH02118846U JP2831789U JP2831789U JPH02118846U JP H02118846 U JPH02118846 U JP H02118846U JP 2831789 U JP2831789 U JP 2831789U JP 2831789 U JP2831789 U JP 2831789U JP H02118846 U JPH02118846 U JP H02118846U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- pressure
- change depending
- compensated voltage
- circuit
- 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
- 230000009977 dual effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Description
第１図は本考案を油圧回路に適用した一実施例
を示す回路図、第２図は第１図の検出部を示す部
分拡大図、第３図は第１図のオペアンプの出力電
圧を示す線図である。第４図は公知の電子式圧力
センサーを示す回路図である。
１……温度出力用アンプ、２，３……回路、４
……検出部、０６……ホイートストンブリツジ回
路（ブリツジ回路）、０７……温度補償ダイオー
ド、０８……ブリツジ印加電圧調整アンプ（オペ
アンプ）、０９……定電圧回路、０１０……圧力
センサー部、０１１……圧力出力用アンプ、Ｒｆ
，Ｒｉ……抵抗。
Fig. 1 is a circuit diagram showing an embodiment in which the present invention is applied to a hydraulic circuit, Fig. 2 is a partially enlarged view showing the detection section of Fig. 1, and Fig. 3 shows the output voltage of the operational amplifier shown in Fig. 1. It is a line diagram. FIG. 4 is a circuit diagram showing a known electronic pressure sensor. 1...Temperature output amplifier, 2, 3...Circuit, 4
...Detection unit, 06...Wheatstone bridge circuit (bridge circuit), 07...Temperature compensation diode, 08...Bridge applied voltage adjustment amplifier (operational amplifier), 09...Constant voltage circuit, 010...Pressure sensor section, 011...Pressure output amplifier, R f
, R i ...resistance.
Claims (1)
トンブリツジ回路に温度により変化する回路素子
を含む温度補償電圧回路を付設してなる電子式圧
力センサーにおいて、上記温度補償電圧回路に電
圧計型温度計を接続したことを特徴とする圧力・
温度両用センサー。 In an electronic pressure sensor comprising a Wheatstone bridge circuit including circuit elements that change depending on pressure and a temperature-compensated voltage circuit including circuit elements that change depending on temperature, a voltmeter-type thermometer is connected to the temperature-compensated voltage circuit. Pressure characterized by
Dual temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2831789U JPH02118846U (en) | 1989-03-13 | 1989-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2831789U JPH02118846U (en) | 1989-03-13 | 1989-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118846U true JPH02118846U (en) | 1990-09-25 |
Family
ID=31251581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2831789U Pending JPH02118846U (en) | 1989-03-13 | 1989-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118846U (en) |
-
1989
- 1989-03-13 JP JP2831789U patent/JPH02118846U/ja active Pending