JPH01113593U - - Google Patents
Info
- Publication number
- JPH01113593U JPH01113593U JP1988005349U JP534988U JPH01113593U JP H01113593 U JPH01113593 U JP H01113593U JP 1988005349 U JP1988005349 U JP 1988005349U JP 534988 U JP534988 U JP 534988U JP H01113593 U JPH01113593 U JP H01113593U
- Authority
- JP
- Japan
- Prior art keywords
- sine wave
- bipolar
- motor
- rotor
- magnetic detection
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図及び第２図は、本考案によるサイン波ブ
ラシレスＤＣモータの駆動回路を示すためのブロ
ツク図及び要部の回路図、第３図は従来の駆動回
路を示すブロツク図である。
１はモータ、２はロータ、２ａは回転軸、７は
電流分配器、９は二極マグネツト板、１０は磁気
検出素子である。
1 and 2 are block diagrams and circuit diagrams of essential parts showing a drive circuit for a sine wave brushless DC motor according to the present invention, and FIG. 3 is a block diagram showing a conventional drive circuit. 1 is a motor, 2 is a rotor, 2a is a rotating shaft, 7 is a current distributor, 9 is a bipolar magnet plate, and 10 is a magnetic detection element.
Claims (1)
とによりロータを駆動するようにしたサイン波ブ
ラシレスＤＣモータの駆動回路において、前記ロ
ータを有する回転軸１ａに設けられた二極マグネ
ツト板９と、前記二極マグネツト板９の外周位置
に配設され前記二極マグネツト板９の回転を検出
する複数の磁気検出素子１０と、前記各磁気検出
素子１０からの複相サイン波信号２ａにより電流
分配を行うための電流分配器７とを備え、前記二
極マグネツト板９と前記各磁気検出素子１０によ
りロータセンサ２を構成することを特徴とするサ
イン波ブラシレスＤＣモータの駆動回路。 In a drive circuit for a sine wave brushless DC motor that drives a rotor by distributing current in a motor 1 using a sine wave signal, a bipolar magnetic plate 9 provided on a rotating shaft 1a having the rotor; A plurality of magnetic detection elements 10 are disposed on the outer periphery of the bipolar magnetic plate 9 and detect the rotation of the bipolar magnetic plate 9, and a multi-phase sine wave signal 2a from each magnetic detection element 10 is used to distribute current. 1. A drive circuit for a sine wave brushless DC motor, characterized in that the bipolar magnet plate 9 and each magnetic detection element 10 constitute a rotor sensor 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005349U JPH01113593U (en) | 1988-01-21 | 1988-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005349U JPH01113593U (en) | 1988-01-21 | 1988-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113593U true JPH01113593U (en) | 1989-07-31 |
Family
ID=31208648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988005349U Pending JPH01113593U (en) | 1988-01-21 | 1988-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113593U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142985A (en) * | 1984-12-14 | 1986-06-30 | Hitachi Ltd | Ac signal generator |
-
1988
- 1988-01-21 JP JP1988005349U patent/JPH01113593U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142985A (en) * | 1984-12-14 | 1986-06-30 | Hitachi Ltd | Ac signal generator |
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