JPS63199079U - - Google Patents
Info
- Publication number
- JPS63199079U JPS63199079U JP8915787U JP8915787U JPS63199079U JP S63199079 U JPS63199079 U JP S63199079U JP 8915787 U JP8915787 U JP 8915787U JP 8915787 U JP8915787 U JP 8915787U JP S63199079 U JPS63199079 U JP S63199079U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic sensor
- shows
- magnetic
- mounting structure
- change
- 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
- 239000000758 substrate Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
Description
第1図は本考案になる磁気センサの取付構造の
一実施例において磁気センサに印加される磁力線
の状態をピストン位置の変化と共に説明するため
の図、第2図は本実施例におけるアンプ入力電圧
とピストン位置との関係を示す図、第3図は第2
図においてMR素子の温度変化による磁気抵抗変
化率を考慮した場合のアンプ入力電圧の変化を示
す図、第4図は本考案になる磁気センサの取付構
造をエアシリンダに適用した例を示す斜視図、第
5図は磁気センサユニツトの分解斜視図、第6図
は従来の磁気センサの取付構造を適用したエアシ
リンダを示す斜視図、第7図は磁気センサの正面
図、第8図はMR素子に印加される磁界の方向と
磁気抵抗変化の関係を説明するための図、第9図
は磁気センサを駆動する駆動回路を示す回路図、
第10図は従来の磁気センサの取付構造において
磁気センサに印加される磁力線の状態をピストン
位置の変化と共に説明するための図、第11図は
従来における磁気センサに対する余磁力線の印加
方向を示す図、第12図は従来におけるアンプ入
力電圧とピストン位置との関係を示す図、第13
図は第12図に示すアンプ入力電圧が入力された
時のアンプ出力を示す図、第14図は第13図に
示す信号が入力された時のコンパレータ出力を示
す図、第15図は第12図においてMR素子の温
度変化による磁気抵抗変化率を考慮した場合のア
ンプ入力電圧の変化を示す図、第16図は第15
図に矢印Cで示す電圧に基準レベル電圧を設定し
た場合における低温使用時のコンパレータ出力を
示す図、第17図はアンプ入力電圧とピストン位
置の関係において全温度範囲に亘り磁気センサが
適正に差動し得る基準レベル電圧範囲を有する場
合を示す図である。
1……エアシリンダ、3……磁気センサ、4…
…MR素子、5……基板、6,7……センサパタ
ーン、14……アンプ、15……コンパレータ、
17……ピストン、18……磁気センサユニツト
。
Fig. 1 is a diagram for explaining the state of the magnetic lines of force applied to the magnetic sensor in one embodiment of the mounting structure of the magnetic sensor according to the present invention, along with changes in the piston position, and Fig. 2 is a diagram showing the amplifier input voltage in this embodiment. Figure 3 shows the relationship between the piston position and the piston position.
The figure shows the change in amplifier input voltage when considering the rate of change in magnetic resistance due to temperature change of the MR element, and Fig. 4 is a perspective view showing an example in which the magnetic sensor mounting structure of the present invention is applied to an air cylinder. , Fig. 5 is an exploded perspective view of the magnetic sensor unit, Fig. 6 is a perspective view showing an air cylinder to which a conventional magnetic sensor mounting structure is applied, Fig. 7 is a front view of the magnetic sensor, and Fig. 8 is an MR element. A diagram for explaining the relationship between the direction of the magnetic field applied to the magnetic field and the change in magnetoresistance, FIG. 9 is a circuit diagram showing a drive circuit that drives the magnetic sensor,
Fig. 10 is a diagram for explaining the state of magnetic lines of force applied to a magnetic sensor in a conventional magnetic sensor mounting structure along with changes in piston position, and Fig. 11 is a diagram showing the direction of application of extra magnetic lines of force to the magnetic sensor in the conventional magnetic sensor. , FIG. 12 is a diagram showing the relationship between conventional amplifier input voltage and piston position, and FIG.
The figure shows the amplifier output when the amplifier input voltage shown in Fig. 12 is input, Fig. 14 shows the comparator output when the signal shown in Fig. 13 is input, and Fig. 15 shows the output of the comparator when the signal shown in Fig. Figure 16 shows the change in amplifier input voltage when the rate of change in magnetoresistance due to temperature change of the MR element is taken into consideration.
Figure 17 shows the comparator output during low temperature use when the reference level voltage is set to the voltage indicated by arrow C in the figure. FIG. 4 is a diagram showing a case where the reference level voltage range has a variable reference level voltage range. 1... Air cylinder, 3... Magnetic sensor, 4...
...MR element, 5... Board, 6, 7... Sensor pattern, 14... Amplifier, 15... Comparator,
17... Piston, 18... Magnetic sensor unit.
Claims (1)
した一対のセンサパターンを形成してなる磁気セ
ンサを、被検出体となる磁石の移動軸が略該基板
の延長面上にあるように配設してなる磁気センサ
の取付構造。 A magnetic sensor formed by forming a pair of sensor patterns with different orientations on a substrate using a magnetoresistive element is arranged so that the movement axis of a magnet serving as an object to be detected is substantially on an extended surface of the substrate. The mounting structure of the magnetic sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987089157U JPH074486Y2 (en) | 1987-06-10 | 1987-06-10 | Magnetic sensor mounting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987089157U JPH074486Y2 (en) | 1987-06-10 | 1987-06-10 | Magnetic sensor mounting structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63199079U true JPS63199079U (en) | 1988-12-21 |
JPH074486Y2 JPH074486Y2 (en) | 1995-02-01 |
Family
ID=30947888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987089157U Expired - Lifetime JPH074486Y2 (en) | 1987-06-10 | 1987-06-10 | Magnetic sensor mounting structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH074486Y2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05280916A (en) * | 1992-02-05 | 1993-10-29 | Mitsubishi Electric Corp | Straight line displacement detection device |
JPH0626900A (en) * | 1992-07-09 | 1994-02-04 | Tokyo Keiso Co Ltd | Area flowmeter |
JPH07198433A (en) * | 1993-12-29 | 1995-08-01 | Tokyo Keiso Co Ltd | Area type flowmeter |
JP2011169715A (en) * | 2010-02-18 | 2011-09-01 | Panasonic Corp | Position detection mechanism |
JP2015536448A (en) * | 2012-10-17 | 2015-12-21 | ヘネシス・エス.アール.エル.Henesis S.R.L. | System for measuring the relative position between two separate structural parts |
WO2019159698A1 (en) * | 2018-02-16 | 2019-08-22 | パナソニックIpマネジメント株式会社 | Fluid control valve |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2166312B2 (en) * | 2008-09-18 | 2020-01-15 | Sick Ag | Magnetic or inductive waypoint sensor |
KR102522016B1 (en) * | 2022-03-14 | 2023-04-14 | 태광물산 주식회사 | Magnetoresistive Sensor Apparatus for Precise Detection of Door Opening and Closing |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50133117U (en) * | 1974-04-16 | 1975-11-01 | ||
JPS6195133U (en) * | 1984-11-26 | 1986-06-19 | ||
JPS6232562U (en) * | 1985-08-09 | 1987-02-26 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652805A (en) * | 1979-10-03 | 1981-05-12 | Tanaka Massey Kk | Conductive composition |
-
1987
- 1987-06-10 JP JP1987089157U patent/JPH074486Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50133117U (en) * | 1974-04-16 | 1975-11-01 | ||
JPS6195133U (en) * | 1984-11-26 | 1986-06-19 | ||
JPS6232562U (en) * | 1985-08-09 | 1987-02-26 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05280916A (en) * | 1992-02-05 | 1993-10-29 | Mitsubishi Electric Corp | Straight line displacement detection device |
JPH0626900A (en) * | 1992-07-09 | 1994-02-04 | Tokyo Keiso Co Ltd | Area flowmeter |
JPH07198433A (en) * | 1993-12-29 | 1995-08-01 | Tokyo Keiso Co Ltd | Area type flowmeter |
JP2011169715A (en) * | 2010-02-18 | 2011-09-01 | Panasonic Corp | Position detection mechanism |
JP2015536448A (en) * | 2012-10-17 | 2015-12-21 | ヘネシス・エス.アール.エル.Henesis S.R.L. | System for measuring the relative position between two separate structural parts |
WO2019159698A1 (en) * | 2018-02-16 | 2019-08-22 | パナソニックIpマネジメント株式会社 | Fluid control valve |
JP2019143649A (en) * | 2018-02-16 | 2019-08-29 | パナソニックIpマネジメント株式会社 | Fluid control valve |
Also Published As
Publication number | Publication date |
---|---|
JPH074486Y2 (en) | 1995-02-01 |
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