JPH0297895U - - Google Patents
Info
- Publication number
- JPH0297895U JPH0297895U JP1989004702U JP470289U JPH0297895U JP H0297895 U JPH0297895 U JP H0297895U JP 1989004702 U JP1989004702 U JP 1989004702U JP 470289 U JP470289 U JP 470289U JP H0297895 U JPH0297895 U JP H0297895U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- motor
- ring counter
- drive circuit
- circuit
- 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 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案の一実施例のモータ駆動回路を
示すシステム・ブロツク図、第２図は第１図のシ
ステム・ブロツク図におけるリングカウンタの回
路構成図、第３図は第１図のタイミング・チヤー
ト図、第４図、第５図は従来のモータ駆動回路を
示すシステム・ブロツク図とタイミング・チヤー
ト図である。
１……起動回路、２……リングカウンタ、３…
…モータ（３相ブラシレスモータ）、４……ホー
ル素子、５ａ，５ｂ，５ｃ……ホールランプ、６
ａ，６ｂ，６ｃ……シユミツト回路、７，７′…
…駆動回路、８……ロジツク回路、９……Ｕ相ラ
イン（モータの駆動ライン）、１０……Ｖ相ライ
ン（モータの駆動ライン）、１１……Ｗ相ライン
（モータの駆動ライン）、１２……モータ制御信
号。
Fig. 1 is a system block diagram showing a motor drive circuit according to an embodiment of the present invention, Fig. 2 is a circuit configuration diagram of a ring counter in the system block diagram of Fig. 1, and Fig. 3 is a timing diagram of Fig. 1.・Chart Diagrams FIGS. 4 and 5 are system block diagrams and timing charts showing conventional motor drive circuits. 1...Start circuit, 2...Ring counter, 3...
...Motor (3-phase brushless motor), 4...Hall element, 5a, 5b, 5c...Hall lamp, 6
a, 6b, 6c... Schmitt circuit, 7, 7'...
...Drive circuit, 8...Logic circuit, 9...U phase line (motor drive line), 10...V phase line (motor drive line), 11...W phase line (motor drive line), 12 ...Motor control signal.
Claims (1)
、使用モータに対応した相分の位相差信号を発生
させるリングカウンタと、前記リングカウンタの
出力信号を１相分の磁極位置検出信号に周期を取
り、モータの各相のコイルをスイツチング動作を
させる駆動回路を含むことを特徴とするモータ駆
動回路。 a starting circuit having a variable frequency oscillator, a ring counter that generates a phase difference signal for a phase corresponding to the motor used, and a cycle of the output signal of the ring counter as a magnetic pole position detection signal for one phase; A motor drive circuit comprising a drive circuit that performs a switching operation on coils of each phase of a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989004702U JPH0297895U (en) | 1989-01-18 | 1989-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989004702U JPH0297895U (en) | 1989-01-18 | 1989-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0297895U true JPH0297895U (en) | 1990-08-03 |
Family
ID=31207449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989004702U Pending JPH0297895U (en) | 1989-01-18 | 1989-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0297895U (en) |
-
1989
- 1989-01-18 JP JP1989004702U patent/JPH0297895U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0297895U (en) | ||
| JPH0468498U (en) | ||
| JPH01105394U (en) | ||
| JPS6257599U (en) | ||
| JPS6388074U (en) | ||
| JPH02107296U (en) | ||
| JPH0370074U (en) | ||
| JPS62107598U (en) | ||
| JPS6248199U (en) | ||
| JPH11178278A (en) | Sr motor for electric bicycle | |
| JPH0311398U (en) | ||
| JPH0193998U (en) | ||
| JPS6374097U (en) | ||
| JPS62182096U (en) | ||
| JPS6132793U (en) | Brushless motor drive circuit | |
| JPH03127495U (en) | ||
| JPH01180897U (en) | ||
| JPS6317588U (en) | ||
| JPS6168692U (en) | ||
| JPH0345072U (en) | ||
| JPS624898U (en) | ||
| JPS622399U (en) | ||
| JPS61153475U (en) | ||
| JPH0469773U (en) | ||
| JPS63198338U (en) |