JPS62107598U - - Google Patents
Info
- Publication number
- JPS62107598U JPS62107598U JP1985198897U JP19889785U JPS62107598U JP S62107598 U JPS62107598 U JP S62107598U JP 1985198897 U JP1985198897 U JP 1985198897U JP 19889785 U JP19889785 U JP 19889785U JP S62107598 U JPS62107598 U JP S62107598U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- position detection
- drive circuit
- brushless motor
- detection signals
- 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
- 230000005284 excitation Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案ブラシレスモータの一実施例を
示す構成図、第２図は第１図例の説明に供する線
図、第３図は本考案の他の実施例を示す構成図、
第４図は第３図例の説明に供する線図、第５図は
従来のブラシレスモータの一例を示す線図である
。
２は駆動回路、３及び１６は夫々回転子、４，
５及び６は夫々励磁コイル、９，１０及び１１は
夫々ホール素子、１７，１８，１９，２３，３０
及び３１は夫々比較器、３７はＤ形フリツプフロ
ツプ回路、３８はナンド回路である。
FIG. 1 is a block diagram showing one embodiment of the brushless motor of the present invention, FIG. 2 is a line diagram for explaining the example in FIG. 1, and FIG. 3 is a block diagram showing another embodiment of the present invention.
FIG. 4 is a diagram for explaining the example in FIG. 3, and FIG. 5 is a diagram showing an example of a conventional brushless motor. 2 is a drive circuit, 3 and 16 are rotors, 4,
5 and 6 are excitation coils, 9, 10 and 11 are Hall elements, respectively, 17, 18, 19, 23, 30
and 31 are comparators, 37 is a D-type flip-flop circuit, and 38 is a NAND circuit.
Claims (1)
動させる複数の励磁コイルと、該複数の励磁コイ
ルに励磁電流を供給する駆動回路と、上記回転子
の位置を検出し複数の位置検出信号を上記駆動回
路に供給する複数の位置検出素子とを有するブラ
シレスモータにおいて、上記複数の位置検出素子
に得られる複数の位置検出信号を加算して上記回
転子の回転速度に応じた周波数信号を得る様にし
たことを特徴とするブラシレスモータ。 A rotor made of a permanent magnet, a plurality of excitation coils that rotationally drive the rotor, a drive circuit that supplies excitation current to the plurality of excitation coils, and a drive circuit that detects the position of the rotor and outputs a plurality of position detection signals. In a brushless motor having a plurality of position detection elements supplied to the drive circuit, a plurality of position detection signals obtained from the plurality of position detection elements are added to obtain a frequency signal corresponding to the rotational speed of the rotor. A brushless motor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985198897U JPS62107598U (en) | 1985-12-24 | 1985-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985198897U JPS62107598U (en) | 1985-12-24 | 1985-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62107598U true JPS62107598U (en) | 1987-07-09 |
Family
ID=31160018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985198897U Pending JPS62107598U (en) | 1985-12-24 | 1985-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0260491A (en) * | 1988-08-26 | 1990-02-28 | Alps Electric Co Ltd | Revolution detector for motor and reel drive controller for tape player using same revolution detector for same motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50131011A (en) * | 1974-04-03 | 1975-10-16 | ||
| JPS52121714A (en) * | 1976-04-05 | 1977-10-13 | Pioneer Electronic Corp | Commutatorless motor |
-
1985
- 1985-12-24 JP JP1985198897U patent/JPS62107598U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50131011A (en) * | 1974-04-03 | 1975-10-16 | ||
| JPS52121714A (en) * | 1976-04-05 | 1977-10-13 | Pioneer Electronic Corp | Commutatorless motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0260491A (en) * | 1988-08-26 | 1990-02-28 | Alps Electric Co Ltd | Revolution detector for motor and reel drive controller for tape player using same revolution detector for same motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6229770U (en) | ||
| JPS6229771U (en) | ||
| JPS62107598U (en) | ||
| JPS60119887U (en) | DC brushless motor | |
| JPH01120779U (en) | ||
| JPS58143486U (en) | Brushless DC motor | |
| JPS61195776U (en) | ||
| JPS62202093U (en) | ||
| JPS622363U (en) | ||
| JPS6317572U (en) | ||
| JPS6336167U (en) | ||
| JPS61101476U (en) | ||
| JPH0348376U (en) | ||
| JPS6354019U (en) | ||
| JPH01105371U (en) | ||
| JPS61113576U (en) | ||
| JPH0210778U (en) | ||
| JPH02146996U (en) | ||
| JPS58176597U (en) | brushless motor | |
| JPH0297876U (en) | ||
| JPS61144771U (en) | ||
| JPS5960882U (en) | brushless electric motor | |
| JPS6348381U (en) | ||
| JPS6317588U (en) | ||
| JPH01134977U (en) |