JPH0447395U - - Google Patents
Info
- Publication number
- JPH0447395U JPH0447395U JP1990089702U JP8970290U JPH0447395U JP H0447395 U JPH0447395 U JP H0447395U JP 1990089702 U JP1990089702 U JP 1990089702U JP 8970290 U JP8970290 U JP 8970290U JP H0447395 U JPH0447395 U JP H0447395U
- Authority
- JP
- Japan
- Prior art keywords
- current
- brushless motor
- winding
- control circuit
- control means
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案に係るＤＣブラシレスモータの
制御回路の実施例の構成図、第２図は同ＤＣブラ
シレスモータ駆動時の特性図、第３図は同インピ
ーダンス素子の実施例の説明図、第４図は従来の
ＤＣブラシレスモータ駆動時の特性図、第５図は
従来のＤＣブラシレスモータの制御回路の構成図
である。
１……ＤＣブラシレスモータの制御回路、２…
…位置信号生成部、３……スイツチング素子切換
部、４……第１電流制御回路、５……第２電流制
御回路、６……電流制御切換回路、３１，４２…
…電流制御ＮＰＮ形トランジスタ、４１ａ……巻
線部、４５……発光ダイオード、４６……抵抗。
FIG. 1 is a configuration diagram of an embodiment of a control circuit for a DC brushless motor according to the present invention, FIG. 2 is a characteristic diagram when the DC brushless motor is driven, and FIG. 3 is an explanatory diagram of an embodiment of the impedance element. FIG. 4 is a characteristic diagram when driving a conventional DC brushless motor, and FIG. 5 is a configuration diagram of a control circuit of a conventional DC brushless motor. 1... Control circuit of DC brushless motor, 2...
...Position signal generation section, 3...Switching element switching section, 4...First current control circuit, 5...Second current control circuit, 6...Current control switching circuit, 31, 42...
...Current control NPN transistor, 41a... Winding section, 45... Light emitting diode, 46... Resistor.
Claims (1)
流を供給しマグネツトロータに回転力を与えるＤ
Ｃブラシレスモータの制御回路において、このＤ
Ｃブラシレスモータの制御回路は、前記マグネツ
トロータの回転位相を検出する位相検出手段と、
この位相検出手段から得られた位相信号に従つて
所定の巻線に選択的に電流を供給する巻線切換手
段と、この位相検出手段から得られた速度信号に
従つて前記所定の巻線に供給する電流を加減して
前記マグネツトロータの回転数を制御する第１電
流制御手段と、この第１電流制御手段と並列に設
けられたもう１つの制御手段であつて前記巻線に
供給する電流を加減すると共にこの巻線と直列に
接続されたインピーダンス素子に電流を供給する
第２電流制御手段と、前記マグネツトロータが所
定の回転数になつた時に前記第１電流制御手段か
ら前記第２電流制御手段に電流制御を切換える切
換手段とを備えたことを特徴とするＤＣブラシレ
スモータの制御回路。 (2) 前記インピーダンス素子は、発光素子であ
ることを特徴とする請求項１記載のＤＣブラシレ
スモータの制御回路。 (3) 前記インピーダンス素子は、電磁石の巻線
部であることを特徴とする請求項１記載のＤＣブ
ラシレスモータの制御回路。[Claims for Utility Model Registration] (1) D that selectively supplies current to a predetermined winding among a plurality of windings to provide rotational force to the magnet rotor.
In the control circuit of the C brushless motor, this D
The control circuit for the C brushless motor includes phase detection means for detecting the rotational phase of the magnetic rotor;
winding switching means for selectively supplying current to a predetermined winding according to a phase signal obtained from the phase detection means; a first current control means for controlling the rotational speed of the magnet rotor by adjusting the supplied current; and another control means provided in parallel with the first current control means for supplying the current to the winding. a second current control means for controlling the current and supplying the current to an impedance element connected in series with the winding; 1. A control circuit for a DC brushless motor, comprising: two current control means and a switching means for switching current control. (2) The control circuit for a DC brushless motor according to claim 1, wherein the impedance element is a light emitting element. (3) The control circuit for a DC brushless motor according to claim 1, wherein the impedance element is a winding part of an electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990089702U JPH0811071Y2 (en) | 1990-08-28 | 1990-08-28 | Control circuit for DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990089702U JPH0811071Y2 (en) | 1990-08-28 | 1990-08-28 | Control circuit for DC brushless motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0447395U true JPH0447395U (en) | 1992-04-22 |
| JPH0811071Y2 JPH0811071Y2 (en) | 1996-03-29 |
Family
ID=31823867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990089702U Expired - Lifetime JPH0811071Y2 (en) | 1990-08-28 | 1990-08-28 | Control circuit for DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0811071Y2 (en) |
-
1990
- 1990-08-28 JP JP1990089702U patent/JPH0811071Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0811071Y2 (en) | 1996-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |