JPS61108087U - - Google Patents
Info
- Publication number
- JPS61108087U JPS61108087U JP17305084U JP17305084U JPS61108087U JP S61108087 U JPS61108087 U JP S61108087U JP 17305084 U JP17305084 U JP 17305084U JP 17305084 U JP17305084 U JP 17305084U JP S61108087 U JPS61108087 U JP S61108087U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- rotational speed
- speed detection
- magnet
- driving
- 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
- 239000000758 substrate Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
Description
第１図ａは、本考案による実施例の構造を示す
側断面図、第１図ｂは、第１図ａにおけるロータ
マグネツトの着磁状態を示す平面図、第１図ｃは
、第１図ａにおける回転位置検出用磁気センサと
ＦＧコイルとを同一面上に形成した薄い基板を示
す平面図、第２図ａは従来のアキシヤルタイプＤ
Ｃブラシレスモータの構造例を示す側断面図、第
２図ｂは、第２図ａにおけるロータマグネツトの
着磁状態と駆動コイルの配置とをそれぞれ半々に
示す平面図、第２図ｃは、第２図ａにおけるＦＧ
コイルパターンを形成する基板の平面図である。
図において、１はローターヨーク、２はマグネ
ツト、３は基板、４はＦＧコイル、５は回転軸、
６は駆動コイル、７はステータヨーク、８は薄膜
状磁気センサ（ホール素子）である。
FIG. 1a is a side sectional view showing the structure of an embodiment of the present invention, FIG. 1b is a plan view showing the magnetized state of the rotor magnet in FIG. 1a, and FIG. Figure 2a is a plan view showing a thin substrate on which the magnetic sensor for detecting rotational position and the FG coil are formed on the same surface, and Figure 2a is a conventional axial type D.
FIG. 2b is a side sectional view showing a structural example of a C brushless motor, and FIG. FG in Figure 2a
FIG. 3 is a plan view of a substrate forming a coil pattern. In the figure, 1 is a rotor yoke, 2 is a magnet, 3 is a substrate, 4 is an FG coil, 5 is a rotating shaft,
6 is a drive coil, 7 is a stator yoke, and 8 is a thin film magnetic sensor (Hall element).
Claims (1)
行な方向に多極着磁された駆動用マグネツトと回
転速度検出用マグネツトとをローター部に有し、
前記駆動用マグネツトに対向する位置に配置され
た駆動用プリントコイルと、該駆動用プリントコ
イルの前記ロータ側の面に接着され、前記回転速
度検出用マグネツトに対向する回転速度検出用Ｆ
Ｇコイルと該ＦＧコイルより回転軸側に回転位置
検出用磁気センサとが薄膜状に形成された基板と
をステータ部に有することを特徴とするＤＣブラ
シレスモータ。 The rotor has a driving magnet and a rotational speed detection magnet arranged radially around the rotating shaft and magnetized with multiple poles in a direction parallel to the rotating shaft,
a driving printed coil disposed at a position facing the driving magnet; and a rotational speed detection F that is adhered to the rotor side surface of the driving printed coil and faces the rotational speed detection magnet.
A DC brushless motor comprising a substrate in a stator portion on which a G coil and a magnetic sensor for detecting rotational position are formed in a thin film shape on the side of the rotation axis from the FG coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17305084U JPS61108087U (en) | 1984-11-16 | 1984-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17305084U JPS61108087U (en) | 1984-11-16 | 1984-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61108087U true JPS61108087U (en) | 1986-07-09 |
Family
ID=30730709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17305084U Pending JPS61108087U (en) | 1984-11-16 | 1984-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61108087U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434161A (en) * | 1987-07-30 | 1989-02-03 | Sony Corp | Motor |
| JPH01133547A (en) * | 1987-11-17 | 1989-05-25 | Japan Servo Co Ltd | Index pulse generator |
| JPH0287216U (en) * | 1988-12-26 | 1990-07-10 | ||
| JPH0287217U (en) * | 1988-12-26 | 1990-07-10 |
-
1984
- 1984-11-16 JP JP17305084U patent/JPS61108087U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434161A (en) * | 1987-07-30 | 1989-02-03 | Sony Corp | Motor |
| JPH01133547A (en) * | 1987-11-17 | 1989-05-25 | Japan Servo Co Ltd | Index pulse generator |
| JPH0287216U (en) * | 1988-12-26 | 1990-07-10 | ||
| JPH0287217U (en) * | 1988-12-26 | 1990-07-10 |
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