JPS58184638U - pressure sensor - Google Patents
pressure sensorInfo
- Publication number
- JPS58184638U JPS58184638U JP8174482U JP8174482U JPS58184638U JP S58184638 U JPS58184638 U JP S58184638U JP 8174482 U JP8174482 U JP 8174482U JP 8174482 U JP8174482 U JP 8174482U JP S58184638 U JPS58184638 U JP S58184638U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- circuit section
- changes
- pressure sensor
- oscillation 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
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る圧力センサを構成する圧力検知部
の一実施例を示す断面図、第２図は同じく圧力検知回路
部の一実施例を示す回路図である。
１・・・圧電素子、２・・・金属板、３・・・圧電素子
エレメント、４・・・被測定雰囲気、６・・・収納体、
イ・・・発振回路部、口・・・周波数−電圧変換回路部
。FIG. 1 is a sectional view showing an embodiment of a pressure detection section constituting a pressure sensor according to the present invention, and FIG. 2 is a circuit diagram showing an embodiment of the pressure detection circuit section. DESCRIPTION OF SYMBOLS 1... Piezoelectric element, 2... Metal plate, 3... Piezoelectric element element, 4... Atmosphere to be measured, 6... Storage body,
A: Oscillation circuit section; Mouth: Frequency-voltage conversion circuit section.
Claims (1)
被測定雰囲気と接続できる開口端を有する収納体内に収
納し、上記被測定雰囲気の圧力変化に応じ発振周波数が
変化する上記圧電素子エレメントを発振回路部に組込み
、この発振回路部の発振周波数の変化を周波数−電圧変
換回路部で電圧変化として出力させる構成とした圧力セ
ンサ。A piezoelectric element made by bonding a piezoelectric element to a metal plate is housed in a housing having an open end that can be connected to the atmosphere to be measured, and the piezoelectric element whose oscillation frequency changes according to pressure changes in the atmosphere to be measured is used in an oscillation circuit. A pressure sensor configured to be built into the oscillation circuit section and output changes in the oscillation frequency of the oscillation circuit section as voltage changes in the frequency-voltage conversion circuit section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8174482U JPS58184638U (en) | 1982-06-01 | 1982-06-01 | pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8174482U JPS58184638U (en) | 1982-06-01 | 1982-06-01 | pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58184638U true JPS58184638U (en) | 1983-12-08 |
Family
ID=30090836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8174482U Pending JPS58184638U (en) | 1982-06-01 | 1982-06-01 | pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58184638U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539875B2 (en) * | 1973-12-12 | 1978-04-08 |
-
1982
- 1982-06-01 JP JP8174482U patent/JPS58184638U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539875B2 (en) * | 1973-12-12 | 1978-04-08 |
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