JPH01165438U - - Google Patents
Info
- Publication number
- JPH01165438U JPH01165438U JP6167588U JP6167588U JPH01165438U JP H01165438 U JPH01165438 U JP H01165438U JP 6167588 U JP6167588 U JP 6167588U JP 6167588 U JP6167588 U JP 6167588U JP H01165438 U JPH01165438 U JP H01165438U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- diaphragm
- pressure sensor
- magnet
- magnetoelectric
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図乃至第３図はこの考案の圧力センサの第
一実施例を示すもので、第１図は断面図、第２図
は磁束密度と距離との関係を示すグラフ、第３図
は雰囲気温度と圧力、磁束密度、出力電圧との関
係を示すグラフであり、また第４図乃至第６図は
この考案の圧力センサの第二実施例を示すもので
、第４図は断面図、第５図は出力電圧と圧力との
関係を示すグラフ、第６図は雰囲気温度と圧力、
影響度、出力電圧との関係を示すグラフであり、
また第７図乃至第９図は従来技術を示すもので、
第７図は圧力センサの基本構成を示す説明図、第
８図及び第９図は雰囲気温度の影響をなくすよう
にした圧力センサの説明図である。
１０……ケース、２０……ダイヤフラム、３０
……磁電変換素子（ホール素子、磁気抵抗素子）
、４０……磁石、５０……支持機構。
Figures 1 to 3 show the first embodiment of the pressure sensor of this invention. Figure 1 is a cross-sectional view, Figure 2 is a graph showing the relationship between magnetic flux density and distance, and Figure 3 is an atmosphere This is a graph showing the relationship between temperature, pressure, magnetic flux density, and output voltage, and FIGS. 4 to 6 show a second embodiment of the pressure sensor of this invention, and FIG. 4 is a cross-sectional view, and FIG. Figure 5 is a graph showing the relationship between output voltage and pressure, Figure 6 is the graph showing the relationship between ambient temperature and pressure,
This is a graph showing the relationship between the degree of influence and the output voltage.
Furthermore, FIGS. 7 to 9 show the prior art,
FIG. 7 is an explanatory diagram showing the basic configuration of a pressure sensor, and FIGS. 8 and 9 are explanatory diagrams of a pressure sensor designed to eliminate the influence of ambient temperature. 10...Case, 20...Diaphragm, 30
...Magnetoelectric conversion element (Hall element, magnetoresistive element)
, 40... magnet, 50... support mechanism.
Claims (1)
体の圧力を受けるダイヤフラムと、このダイヤフ
ラムの変位にしたがつて磁石と磁電変換素子との
間の間隔を変化させる支持機構とを装備し、ダイ
ヤフラムが受ける圧力変化を磁電変換素子で電気
信号に変換する圧力センサにおいて、 前記磁電変換素子の出力が低圧力側で高く、高
圧力側で低く得られるように支持機構を構成した
ことを特徴とする圧力センサ。[Claims for Utility Model Registration] A case includes a magnet, a magnetoelectric transducer, a diaphragm that receives the pressure of the fluid to be measured, and the distance between the magnet and the magnetoelectric transducer changes according to the displacement of the diaphragm. In a pressure sensor that is equipped with a support mechanism and converts pressure changes received by the diaphragm into electrical signals using a magnetoelectric conversion element, the support mechanism is provided so that the output of the magnetoelectric conversion element is high on the low pressure side and low on the high pressure side. A pressure sensor characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988061675U JPH0619071Y2 (en) | 1988-05-12 | 1988-05-12 | Pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988061675U JPH0619071Y2 (en) | 1988-05-12 | 1988-05-12 | Pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01165438U true JPH01165438U (en) | 1989-11-20 |
| JPH0619071Y2 JPH0619071Y2 (en) | 1994-05-18 |
Family
ID=31287328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988061675U Expired - Lifetime JPH0619071Y2 (en) | 1988-05-12 | 1988-05-12 | Pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619071Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655196A (en) * | 2019-01-15 | 2019-04-19 | 安徽天康(集团)股份有限公司 | A kind of distance-transmission pressure gauge equipped with magneto-dependent sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528979U (en) * | 1978-08-16 | 1980-02-25 | ||
| JPS5580721A (en) * | 1978-12-04 | 1980-06-18 | Du Pont | Oxidation of titanium tetrachloride |
-
1988
- 1988-05-12 JP JP1988061675U patent/JPH0619071Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528979U (en) * | 1978-08-16 | 1980-02-25 | ||
| JPS5580721A (en) * | 1978-12-04 | 1980-06-18 | Du Pont | Oxidation of titanium tetrachloride |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655196A (en) * | 2019-01-15 | 2019-04-19 | 安徽天康(集团)股份有限公司 | A kind of distance-transmission pressure gauge equipped with magneto-dependent sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0619071Y2 (en) | 1994-05-18 |