JPS6355777U - - Google Patents
Info
- Publication number
- JPS6355777U JPS6355777U JP1986147029U JP14702986U JPS6355777U JP S6355777 U JPS6355777 U JP S6355777U JP 1986147029 U JP1986147029 U JP 1986147029U JP 14702986 U JP14702986 U JP 14702986U JP S6355777 U JPS6355777 U JP S6355777U
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- magnet
- detection
- rotor
- pitch
- 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 18
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/14—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with speed sensing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/12—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using detecting coils using the machine windings as detecting coil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
Description
第１図は本考案の一実施例によるモータの検知
装置を示す分解斜視図、第２図はモータの検出基
板の取り付け状態を示す斜視図、第３図はモータ
の検知装置の一部を示す断面図、第４図は検出基
板の展開図、第５図はロータの検知用磁石の状態
を示す側面図、第６図は本考案の検知装置による
回転位置検出パルスを示す説明図、第７図は従来
のモータの検知装置の一部を示す断面図、第８図
は従来の検出基板の展開図、第９図は従来の検知
装置による回転位置検出パルスを示す説明図であ
る。
２１…ロータ、２２ａ…外側板、２４…駆動用
マグネツト、２６…ステータコイル、２７…ＦＧ
マグネツト、２８…ＰＧマグネツト、２９…検出
基板、３１…ＦＧパターン、３１ａ…ＦＧリード
パターン、３２…ＰＧパターン、３２ａ…ＰＧリ
ードパターン。
Fig. 1 is an exploded perspective view showing a motor detection device according to an embodiment of the present invention, Fig. 2 is a perspective view showing the mounting state of a motor detection board, and Fig. 3 shows a part of the motor detection device. 4 is a developed view of the detection board, FIG. 5 is a side view showing the state of the detection magnet of the rotor, FIG. 6 is an explanatory diagram showing the rotational position detection pulse by the detection device of the present invention, and FIG. 8 is a developed view of a conventional detection board, and FIG. 9 is an explanatory diagram showing rotational position detection pulses by the conventional detection device. 21... Rotor, 22a... Outer plate, 24... Drive magnet, 26... Stator coil, 27... FG
Magnet, 28...PG magnet, 29...detection board, 31...FG pattern, 31a...FG lead pattern, 32...PG pattern, 32a...PG lead pattern.
Claims (1)
転駆動されるロータに、Ｎ極とＳ極が回転方向へ
交互に配置されている回転数検出用のＦＧマグネ
ツトと、ロータの回転位置検出用のＰＧマグネツ
トとが並んで設けられており、かつ外側板に設け
られた検出基板には、前記ＦＧマグネツトに対向
している回転数検出用のＦＧパターンと、前記Ｐ
Ｇマグネツトに対向している回転位置検出用のＰ
Ｇパターンとが並んで形成されているモータの検
知装置において、前記ＦＧパターンに接続されて
いるＦＧリードパターンと、ＰＧパターンに接続
されているＰＧリードパターンが、検出基板上に
て同一方向に取り出しできるように、ＰＧリード
パターンのピツチａとＦＧパターンのピツチｂと
の関係を、ａ＝２ｎｂ（ｎは１以上の整数）とし
て形成したことを特徴とするモータの検知装置。 A rotor that is rotationally driven by a drive magnet and a stator coil has an FG magnet for detecting the number of rotations in which N and S poles are arranged alternately in the rotational direction, and a PG magnet for detecting the rotational position of the rotor. are arranged side by side, and a detection board provided on the outer plate includes an FG pattern for rotation speed detection facing the FG magnet, and a detection board provided on the outer plate.
P for rotational position detection facing the G magnet
In a motor detection device in which G patterns are formed side by side, the FG lead pattern connected to the FG pattern and the PG lead pattern connected to the PG pattern are taken out in the same direction on the detection board. A motor detection device characterized in that the relationship between the pitch a of the PG lead pattern and the pitch b of the FG pattern is set as a=2nb (n is an integer of 1 or more).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986147029U JPS6355777U (en) | 1986-09-25 | 1986-09-25 | |
| KR2019870005895U KR900007228Y1 (en) | 1986-09-25 | 1987-04-22 | Brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986147029U JPS6355777U (en) | 1986-09-25 | 1986-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6355777U true JPS6355777U (en) | 1988-04-14 |
Family
ID=31060023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986147029U Pending JPS6355777U (en) | 1986-09-25 | 1986-09-25 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6355777U (en) |
| KR (1) | KR900007228Y1 (en) |
-
1986
- 1986-09-25 JP JP1986147029U patent/JPS6355777U/ja active Pending
-
1987
- 1987-04-22 KR KR2019870005895U patent/KR900007228Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR880007077U (en) | 1988-05-31 |
| KR900007228Y1 (en) | 1990-08-11 |
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