JPS6454768U - - Google Patents
Info
- Publication number
- JPS6454768U JPS6454768U JP14986087U JP14986087U JPS6454768U JP S6454768 U JPS6454768 U JP S6454768U JP 14986087 U JP14986087 U JP 14986087U JP 14986087 U JP14986087 U JP 14986087U JP S6454768 U JPS6454768 U JP S6454768U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- slit
- detects
- pole position
- reference hole
- 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 description 6
- 230000003287 optical effect Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案のエンコーダを用いた無刷子モ
ータの具体的構造を示す図、第２図は本考案の動
作の説明に供するタイムチヤート、第３図及び第
４図は従来の技術の説明に供する図である。
１…ホール素子、２…コイル、３…シヤフト、
４…ロータ磁極、５…ＯＰアンプ、６…コイル、
７…スリツト検出センサ、８…磁極位置基準穴検
出センサ（基準穴検出センサ）。
Fig. 1 is a diagram showing the specific structure of a brushless motor using the encoder of the present invention, Fig. 2 is a time chart for explaining the operation of the present invention, and Figs. 3 and 4 are explanations of the conventional technology. FIG. 1... Hall element, 2... Coil, 3... Shaft,
4... Rotor magnetic pole, 5... OP amplifier, 6... Coil,
7...Slit detection sensor, 8...Magnetic pole position reference hole detection sensor (reference hole detection sensor).
Claims (1)
されたロータ磁極の周囲に、電気角９０°に配置
された一対の相から成るコイルが複数組配置され
て成る無刷紙モータにおいて、円板上の周囲に細
かいスリツトを配置すると共に該スリツトに並列
する位置に前記ロータ磁極の磁極位置を確認する
為の基準となる位置を示す磁極位置基準穴を配置
した構造の前記シヤフトに組付けられた光符号板
と、磁極検出機構として、前記スリツトを検出し
て１スリツトを検出する毎に９０°移相角が異な
る２相信号を出力するスリツト検出センサ、及び
、前記磁極位置基準穴を検出し出力する磁極位置
基準穴センサ、を具備して成る無刷子モータ。 In a paperless motor, in which multiple sets of coils each consisting of a pair of phases arranged at an electrical angle of 90° are arranged around a rotor magnetic pole magnetized in a sinusoidal manner that rotates around a shaft, An optical code assembled to the shaft has a structure in which a fine slit is arranged around the periphery and a magnetic pole position reference hole is arranged parallel to the slit to indicate a reference position for confirming the magnetic pole position of the rotor magnetic pole. a plate, a slit detection sensor serving as a magnetic pole detection mechanism that detects the slit and outputs a two-phase signal having a phase shift angle of 90° each time it detects one slit, and a slit detection sensor that detects and outputs the magnetic pole position reference hole. A brushless motor comprising a magnetic pole position reference hole sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14986087U JPS6454768U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14986087U JPS6454768U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6454768U true JPS6454768U (en) | 1989-04-04 |
Family
ID=31422476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14986087U Pending JPS6454768U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454768U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60222719A (en) * | 1984-04-20 | 1985-11-07 | Yokogawa Hokushin Electric Corp | Displacement converter |
-
1987
- 1987-09-30 JP JP14986087U patent/JPS6454768U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60222719A (en) * | 1984-04-20 | 1985-11-07 | Yokogawa Hokushin Electric Corp | Displacement converter |
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