JPH0334699U - - Google Patents
Info
- Publication number
- JPH0334699U JPH0334699U JP9221289U JP9221289U JPH0334699U JP H0334699 U JPH0334699 U JP H0334699U JP 9221289 U JP9221289 U JP 9221289U JP 9221289 U JP9221289 U JP 9221289U JP H0334699 U JPH0334699 U JP H0334699U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- detection means
- pulse motor
- coil
- output
- 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 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Stepping Motors (AREA)
Description
第１図は本考案の実施例を示す回路構成図、第
２図はその作動を説明するための波形図、第３図
及び第４図は本考案の別な実施例を示す回路構成
図、第５図は一般的なパルスモータの回路構成図
である。
１……パルスモーターのコイル、２……リトリ
ガラブルワンシヨツトマルチバイブレーター、Ｄ
１……フライホイールダイオード、Ｄ２，Ｄ３…
…発光ダイオード、Ｔｒ１……スイツチングトラ
ンジスター、ＣＰ１，ＣＰ２……コンパレーター
、ＯＰ１……差動アンプ、Ｒ１……基準値設定回
路、Ｒ２……プルアツプ抵抗。
FIG. 1 is a circuit configuration diagram showing an embodiment of the present invention, FIG. 2 is a waveform diagram for explaining its operation, and FIGS. 3 and 4 are circuit configuration diagrams showing another embodiment of the present invention. FIG. 5 is a circuit diagram of a general pulse motor. 1...Pulse motor coil, 2...Retriggerable one-shot multivibrator, D
1 ...Flywheel diode, D2 , D3 ...
...Light emitting diode, Tr1 ...Switching transistor, CP1 , CP2 ...Comparator, OP1 ...Differential amplifier, R1 ...Reference value setting circuit, R2 ...Pull-up resistor.
Claims (1)
なうパルスモーター駆動回路において、 前記モーターのコイルに誘起される電圧を検出
する検出手段を設け、該検出手段の出力を基に断
線の有無を判定することを特徴とするパルスモー
ターの断線判定回路。 (2) 前記検出手段は、モーターのコイルの端子
電圧と所定の基準電圧とを比較する比較手段を備
えたことを特徴とする請求項１に記載のパルスモ
ーターの断線判定回路。 (3) 前記検出手段はモーターコイルに並列に接
続されたダイオードの出力を検出する手段である
ことを特徴とする請求項１に記載のパルスモータ
ーの断線判定回路。[Claims for Utility Model Registration] (1) In a pulse motor drive circuit that drives a motor using an input pulse signal, a detection means for detecting a voltage induced in a coil of the motor is provided, and the output of the detection means is based on the output of the detection means. A disconnection determination circuit for a pulse motor, which determines the presence or absence of a disconnection in a pulse motor. (2) The disconnection determination circuit for a pulse motor according to claim 1, wherein the detection means includes a comparison means for comparing a terminal voltage of a coil of the motor with a predetermined reference voltage. (3) The disconnection determination circuit for a pulse motor according to claim 1, wherein the detection means is means for detecting the output of a diode connected in parallel to the motor coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9221289U JPH0334699U (en) | 1989-08-07 | 1989-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9221289U JPH0334699U (en) | 1989-08-07 | 1989-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0334699U true JPH0334699U (en) | 1991-04-04 |
Family
ID=31641650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9221289U Pending JPH0334699U (en) | 1989-08-07 | 1989-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1330606B1 (en) * | 2000-10-28 | 2011-07-13 | Oerlikon Leybold Vacuum GmbH | Mechanical kinetic vacuum pump |
-
1989
- 1989-08-07 JP JP9221289U patent/JPH0334699U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1330606B1 (en) * | 2000-10-28 | 2011-07-13 | Oerlikon Leybold Vacuum GmbH | Mechanical kinetic vacuum pump |
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