JPS59176395U - DC brushless motor - Google Patents
DC brushless motorInfo
- Publication number
- JPS59176395U JPS59176395U JP1984052924U JP5292484U JPS59176395U JP S59176395 U JPS59176395 U JP S59176395U JP 1984052924 U JP1984052924 U JP 1984052924U JP 5292484 U JP5292484 U JP 5292484U JP S59176395 U JPS59176395 U JP S59176395U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- voltage
- sensing element
- magnetic sensing
- output voltage
- 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
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第３図は本考案の直流ブラシレスモータの
実施例を示す構成図、第２図および第４図はその動作を
説明するための波形図である。
Ｒ・・・永久磁石回転子、ｗｌ、 ｗ２・・・電機子コ
イル、Ｈｌ、Ｈ２・・・ホール素子、ＩＮ・・・入力端
子、ＰＷＭｌ、ＰＷＭ２・・・パルス幅変調器、ＡＩ、
Ａ２・・・電力増幅器、Ａ３． Ａ４・・・増幅器、
ＳＧ・・・三角波発生器、Ｃ０Ｍ１．Ｃ０Ｍ２・・・比
較器。1 and 3 are configuration diagrams showing an embodiment of the DC brushless motor of the present invention, and FIGS. 2 and 4 are waveform diagrams for explaining its operation. R... Permanent magnet rotor, wl, w2... Armature coil, Hl, H2... Hall element, IN... Input terminal, PWMl, PWM2... Pulse width modulator, AI,
A2...power amplifier, A3. A4...Amplifier,
SG...Triangular wave generator, C0M1. C0M2... Comparator.
Claims (1)
圧が供給された磁気感応素子と、その回転に応じて前記
磁気感応素子に正弦波状の出力電圧を発生させるように
着磁された永久磁石回転子と、前記磁気感応素子の出力
電圧をパルス幅がその大きさに比例するとともに正負の
電圧領域に渡って変化しこの出力電圧がＯの時にデユー
ティ−レシオが５０％となるようなパルス幅電圧に変換
するパルス幅変調器と、このパルス幅電圧を電力増幅し
て電機子コイルに印加する電力増幅器とを具備してなる
直流ブラシレスモータ。A magnetic sensing element supplied with a drive current or driving voltage of a magnitude corresponding to a motor control signal, and a rotating permanent magnet magnetized so as to generate a sinusoidal output voltage in the magnetic sensing element in accordance with the rotation thereof. and a pulse width voltage such that the output voltage of the magnetic sensing element is such that the pulse width is proportional to its magnitude and varies over positive and negative voltage regions, and the duty ratio is 50% when this output voltage is O. A DC brushless motor comprising a pulse width modulator that converts the pulse width voltage into a pulse width voltage, and a power amplifier that amplifies the power of this pulse width voltage and applies the amplified pulse width voltage to an armature coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984052924U JPS59176395U (en) | 1984-04-11 | 1984-04-11 | DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984052924U JPS59176395U (en) | 1984-04-11 | 1984-04-11 | DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59176395U true JPS59176395U (en) | 1984-11-26 |
Family
ID=30183270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984052924U Pending JPS59176395U (en) | 1984-04-11 | 1984-04-11 | DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176395U (en) |
-
1984
- 1984-04-11 JP JP1984052924U patent/JPS59176395U/en active Pending
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