JPS63109598U - - Google Patents
Info
- Publication number
- JPS63109598U JPS63109598U JP1986200539U JP20053986U JPS63109598U JP S63109598 U JPS63109598 U JP S63109598U JP 1986200539 U JP1986200539 U JP 1986200539U JP 20053986 U JP20053986 U JP 20053986U JP S63109598 U JPS63109598 U JP S63109598U
- Authority
- JP
- Japan
- Prior art keywords
- armature winding
- phase armature
- output voltage
- hall element
- current flowing
- 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
- 238000004804 winding Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図はこの考案のブラシレスモータの実施例
を示す電気回路図、第２図は同他の実施例の電気
回路図、第３図は従来のブラシレスモータの電気
回路図、第４図および第５図はそれぞれ従来のブ
ラシレスモータのメカニズムを示す図である。
２，２′……電機子巻線、３，３′……ホール
素子、４……モータ駆動回路、５……コントロー
ル電圧端子、６……ＧＮＤの共通端子、７，７′
……オペアンプ、８……Ｖｃｃの電源端子、９…
…―Ｖｃｃの電源端子、Ｒ１，Ｒ１′，Ｒ２，Ｒ
２′，Ｒ３，Ｒ３′，Ｒ４，Ｒ４′……抵抗、Ｃ
１，Ｃ１′……コンデンサ、Ｑ１，Ｑ１′，Ｑ２
，Ｑ２′……トランジスタ、ＶＲ……可変抵抗器
、ＴＲ……温度補償素子。
FIG. 1 is an electric circuit diagram showing an embodiment of the brushless motor of this invention, FIG. 2 is an electric circuit diagram of another embodiment, FIG. 3 is an electric circuit diagram of a conventional brushless motor, and FIGS. FIG. 5 is a diagram showing the mechanism of a conventional brushless motor. 2, 2'... Armature winding, 3, 3'... Hall element, 4... Motor drive circuit, 5... Control voltage terminal, 6... GND common terminal, 7, 7'
...Operation amplifier, 8...Vcc power supply terminal, 9...
...-Vcc power supply terminals, R 1 , R 1 ', R 2 , R
2 ′, R 3 , R 3 ′, R 4 , R 4 ′...Resistance, C
1 , C 1 ′...Capacitor, Q 1 , Q 1 ′, Q 2
, Q2 ' ...transistor, VR...variable resistor, TR...temperature compensation element.
Claims (1)
機子巻線と、永久磁石ロータの回転位置に応じて
その出力電圧の極性が変化するホール素子を各相
電機子巻線に対応して設け、これらのホール素子
の出力電圧の極性に応じて各相電機子巻線に流れ
る電流を切換えるようにしたモータ駆動回路を有
するブラシレスモータにおいて、前記ホール素子
に流す電流値を調整する可変抵抗器を設けてなり
、この電流値の調整により前記ホール素子の出力
電圧の値を調整し、この出力電圧を、その値の調
整により各相電機子巻線に流れる電流を調整する
モータ駆動回路を形成する増幅回路に入力して、
この各相電機子巻線に流れる電流を調整して永久
磁石ロータの回転速度を調整するように構成した
ことを特徴とするブラシレスモータ。 A permanent magnet rotor, each phase armature winding forming the stator, and a Hall element whose output voltage changes polarity depending on the rotational position of the permanent magnet rotor are provided corresponding to each phase armature winding. In a brushless motor having a motor drive circuit configured to switch the current flowing through each phase armature winding according to the polarity of the output voltage of the Hall element, a variable resistor is provided to adjust the value of the current flowing through the Hall element. and an amplifier circuit forming a motor drive circuit that adjusts the output voltage value of the Hall element by adjusting this current value, and adjusts the current flowing to each phase armature winding by adjusting this output voltage. Enter
A brushless motor characterized in that the current flowing through each phase armature winding is adjusted to adjust the rotational speed of the permanent magnet rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986200539U JPS63109598U (en) | 1986-12-26 | 1986-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986200539U JPS63109598U (en) | 1986-12-26 | 1986-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63109598U true JPS63109598U (en) | 1988-07-14 |
Family
ID=31163139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986200539U Pending JPS63109598U (en) | 1986-12-26 | 1986-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63109598U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54156114A (en) * | 1978-05-31 | 1979-12-08 | Sony Corp | Motor driving circuit |
| JPS58212626A (en) * | 1982-06-04 | 1983-12-10 | Hitachi Ltd | Reproducing device of information recording disc |
-
1986
- 1986-12-26 JP JP1986200539U patent/JPS63109598U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54156114A (en) * | 1978-05-31 | 1979-12-08 | Sony Corp | Motor driving circuit |
| JPS58212626A (en) * | 1982-06-04 | 1983-12-10 | Hitachi Ltd | Reproducing device of information recording disc |
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