JPS5860221U - direction sensing device - Google Patents
direction sensing deviceInfo
- Publication number
- JPS5860221U JPS5860221U JP15601081U JP15601081U JPS5860221U JP S5860221 U JPS5860221 U JP S5860221U JP 15601081 U JP15601081 U JP 15601081U JP 15601081 U JP15601081 U JP 15601081U JP S5860221 U JPS5860221 U JP S5860221U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- yokes
- section
- hall element
- output voltage
- 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 Magnetic Variables (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の磁束計の概略構成図、第２図は第１図の
磁束計の方向感度を示す特性図、第３図は本考案に堡る
方向感知装置の概略構成図、第４図は第３図の装置の出
力波形図、第５図は本考案装置の動作説明図、第６図は
出力電圧処理回路を例示する。
図中の１は駆動部、４は回転軸、６は地磁気測定部、７
は同期部、８は枠体、９，１０は磁場集中ヨーク、１１
．１３はホール素子、１２は永久磁石、１９は位相差検
出回路である。Fig. 1 is a schematic configuration diagram of a conventional magnetometer, Fig. 2 is a characteristic diagram showing the directional sensitivity of the magnetometer shown in Fig. 1, Fig. 3 is a schematic configuration diagram of a direction sensing device based on the present invention, and Fig. 4 The figure is an output waveform diagram of the device shown in FIG. 3, FIG. 5 is an explanatory diagram of the operation of the device of the present invention, and FIG. 6 is an example of an output voltage processing circuit. In the figure, 1 is a drive unit, 4 is a rotating shaft, 6 is a geomagnetic measurement unit, and 7
is a synchronization part, 8 is a frame body, 9 and 10 are magnetic field concentration yokes, 11
．． 13 is a Hall element, 12 is a permanent magnet, and 19 is a phase difference detection circuit.
Claims (1)
がって回転する地磁気測定部と、前記回転軸の回転に応
じた出力電圧を発生する同期部とを備え、前記地磁気測
定部は、一端面を対向した一対の磁場集中ヨークと、該
ヨーク間に配置されて該ヨークを通る地磁気の磁束密度
に感応した出力電圧を発生する第１のホール素子と、前
記ヨーク及びホール素子を支持する枠体を有し、前記同
期部は、前記回転軸と共に回転する永久磁石と、該磁石
の磁界に感応する第２のホール素子を有し、又、前記第
１と第２のホール素子の出力電圧の位相差を検出する回
路を具備する事を特徴とする′方向感知装置。The geomagnetism measuring section includes a driving section that rotates a rotating shaft, a geomagnetic measuring section that rotates according to the rotation of the rotating shaft, and a synchronizing section that generates an output voltage according to the rotation of the rotating shaft, and the geomagnetic measuring section has one end surface. a pair of magnetic field concentration yokes facing each other, a first Hall element disposed between the yokes and generating an output voltage in response to the magnetic flux density of the earth's magnetism passing through the yokes, and a frame supporting the yokes and the Hall element. The synchronizing section has a permanent magnet that rotates together with the rotating shaft, and a second Hall element that is sensitive to the magnetic field of the magnet, and the synchronization section has a permanent magnet that rotates together with the rotating shaft, and a second Hall element that is sensitive to the magnetic field of the magnet, and also has an output voltage of the first and second Hall elements. A direction sensing device characterized by comprising a circuit for detecting a phase difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15601081U JPS5860221U (en) | 1981-10-20 | 1981-10-20 | direction sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15601081U JPS5860221U (en) | 1981-10-20 | 1981-10-20 | direction sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5860221U true JPS5860221U (en) | 1983-04-23 |
Family
ID=29948564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15601081U Pending JPS5860221U (en) | 1981-10-20 | 1981-10-20 | direction sensing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5860221U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54114267A (en) * | 1978-02-24 | 1979-09-06 | Nippon Soken | Azimuth detector |
-
1981
- 1981-10-20 JP JP15601081U patent/JPS5860221U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54114267A (en) * | 1978-02-24 | 1979-09-06 | Nippon Soken | Azimuth detector |
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