JPH0193998U - - Google Patents
Info
- Publication number
- JPH0193998U JPH0193998U JP1987188741U JP18874187U JPH0193998U JP H0193998 U JPH0193998 U JP H0193998U JP 1987188741 U JP1987188741 U JP 1987188741U JP 18874187 U JP18874187 U JP 18874187U JP H0193998 U JPH0193998 U JP H0193998U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- current switching
- control circuit
- switching circuit
- stator coil
- 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 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図はこの考案一実施例を示す回路図、第２
図及び第３図は同じくトルクＴの特性図、第４図
は従来のブラシレスモータ駆動回路の回路図、第
５図は位置信号とトランジスタ出力とを示す、従
来及び本考案共通のタイミングチヤート図である
。
なお、各図中同一符号は同一または相当部分を
示し、１，２，３はホール素子、４，５，６は差
動増幅器、１４ａは制御回路、２０，２１，２２
はステータコイルである。
Figure 1 is a circuit diagram showing an embodiment of this invention;
3 and 3 are characteristic diagrams of torque T, FIG. 4 is a circuit diagram of a conventional brushless motor drive circuit, and FIG. 5 is a timing chart common to the conventional and present invention, showing position signals and transistor outputs. be. In addition, the same reference numerals in each figure indicate the same or equivalent parts, 1, 2, 3 are Hall elements, 4, 5, 6 are differential amplifiers, 14a is a control circuit, 20, 21, 22
is the stator coil.
Claims (1)
傍に設けられた検出素子と、この検出素子と差動
増幅器を介して設けられた電流切換回路と、この
電流切換回路に接続された制御回路と、この制御
回路に接続された複数の相を有するステータコイ
ルとを備え、上記ステータコイルの各相を単独に
上記制御回路に接続したことを特徴とするブラシ
レスモータ駆動回路。 A rotor magnet, a detection element provided near the rotor magnet, a current switching circuit provided via the detection element and a differential amplifier, a control circuit connected to the current switching circuit, and a control circuit connected to the current switching circuit. 1. A brushless motor drive circuit comprising: a stator coil having a plurality of phases connected to a circuit, each phase of the stator coil being individually connected to the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188741U JPH0193998U (en) | 1987-12-11 | 1987-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188741U JPH0193998U (en) | 1987-12-11 | 1987-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193998U true JPH0193998U (en) | 1989-06-21 |
Family
ID=31479814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987188741U Pending JPH0193998U (en) | 1987-12-11 | 1987-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193998U (en) |
-
1987
- 1987-12-11 JP JP1987188741U patent/JPH0193998U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0193998U (en) | ||
| JPS61195776U (en) | ||
| JPS6388074U (en) | ||
| JPS61176974U (en) | ||
| JPS62182096U (en) | ||
| JPS60151299U (en) | DC non-commutator motor drive circuit | |
| JPS62168797U (en) | ||
| JPS61153475U (en) | ||
| JPS6241376U (en) | ||
| JPH0253295U (en) | ||
| JPS5918591U (en) | 3-phase DC brushless motor drive circuit | |
| JPS63109578U (en) | ||
| JPH02146996U (en) | ||
| JPS61144777U (en) | ||
| JPH02114374U (en) | ||
| JPS58139893U (en) | brushless motor | |
| JPS6196775U (en) | ||
| JPS6132792U (en) | DC servo motor rotation detection device | |
| JPS6291581U (en) | ||
| JPH01105371U (en) | ||
| JPH0265053U (en) | ||
| JPS63172275U (en) | ||
| JPS6454768U (en) | ||
| JPS5966396U (en) | DC brushless motor drive circuit | |
| JPS6284391U (en) |