JPS58129106U - Piston position detection device - Google Patents
Piston position detection deviceInfo
- Publication number
- JPS58129106U JPS58129106U JP2672482U JP2672482U JPS58129106U JP S58129106 U JPS58129106 U JP S58129106U JP 2672482 U JP2672482 U JP 2672482U JP 2672482 U JP2672482 U JP 2672482U JP S58129106 U JPS58129106 U JP S58129106U
- Authority
- JP
- Japan
- Prior art keywords
- resistance element
- magnetic resistance
- detection device
- position detection
- piston position
- 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の磁気抵抗素子による位置検出装置を示す
回路図と特性図、第２図以下は本考案によるピストン位
置検出装置を示すもので、第２図はピストン位置検出装
置および流体圧シリンダの断面図と特性図、第３図は磁
気抵抗素子とバイアス磁石およびピストンとの位置関係
を示す斜視図、第４図は回路構成を示す図、第５図はブ
リッジ型磁気抵抗素子の回路構成と特性を示す図である
。
図において、５２は緊ストン、６はケース、−７。
はプリント基板、８は磁気抵抗素子、９はバイアス磁石
、１０は増幅器、１１は表示灯、１２はリード線、Ｒ１
・・・Ｒ４は磁気抵抗素子である。Fig. 1 is a circuit diagram and characteristic diagram showing a conventional position detection device using a magnetic resistance element, Fig. 2 and the following shows a piston position detection device according to the present invention, and Fig. 2 shows a piston position detection device and a fluid pressure cylinder. 3 is a perspective view showing the positional relationship between the magnetic resistance element, bias magnet, and piston, Figure 4 is a diagram showing the circuit configuration, and Figure 5 is the circuit configuration of the bridge type magnetic resistance element. FIG. In the figure, 52 is a string, 6 is a case, and -7. is a printed circuit board, 8 is a magnetoresistive element, 9 is a bias magnet, 10 is an amplifier, 11 is an indicator light, 12 is a lead wire, R1
...R4 is a magnetoresistive element.
Claims (1)
、シリンダの外部の磁気抵抗素子で検出する装置におい
て、磁気抵抗素子を、ブリッジ回路の少なくとも１辺に
挿入し、かつ該磁気抵抗素子に対応してバイアス用の磁
石を配設し、該バイアス用磁石と磁気抵抗素子との相対
位置を調整することにより、磁気抵抗素子の特性のバラ
ツキを補正するように構成されたピストン位置検出装置
。In a device for detecting the position of a piston equipped with a magnet in a fluid pressure cylinder using a magnetic resistance element external to the cylinder, the magnetic resistance element is inserted into at least one side of a bridge circuit, and the magnetic resistance element is connected to the magnetic resistance element. A piston position detection device configured to correct variations in characteristics of the magnetic resistance element by disposing a bias magnet correspondingly and adjusting the relative position between the bias magnet and the magnetic resistance element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2672482U JPS58129106U (en) | 1982-02-25 | 1982-02-25 | Piston position detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2672482U JPS58129106U (en) | 1982-02-25 | 1982-02-25 | Piston position detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58129106U true JPS58129106U (en) | 1983-09-01 |
Family
ID=30038667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2672482U Pending JPS58129106U (en) | 1982-02-25 | 1982-02-25 | Piston position detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58129106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6373101A (en) * | 1986-09-17 | 1988-04-02 | Nikon Corp | Detecting unit for origin of magnetic head for magnetic encoder |
| WO2002012824A1 (en) * | 2000-08-04 | 2002-02-14 | Matsushita Electric Industrial Co., Ltd. | Position sensor for electromagnetic actuator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54103372A (en) * | 1978-01-31 | 1979-08-14 | Matsushita Electric Works Ltd | Magnetic sensor |
-
1982
- 1982-02-25 JP JP2672482U patent/JPS58129106U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54103372A (en) * | 1978-01-31 | 1979-08-14 | Matsushita Electric Works Ltd | Magnetic sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6373101A (en) * | 1986-09-17 | 1988-04-02 | Nikon Corp | Detecting unit for origin of magnetic head for magnetic encoder |
| WO2002012824A1 (en) * | 2000-08-04 | 2002-02-14 | Matsushita Electric Industrial Co., Ltd. | Position sensor for electromagnetic actuator |
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