JPH027799U - - Google Patents
Info
- Publication number
- JPH027799U JPH027799U JP8488088U JP8488088U JPH027799U JP H027799 U JPH027799 U JP H027799U JP 8488088 U JP8488088 U JP 8488088U JP 8488088 U JP8488088 U JP 8488088U JP H027799 U JPH027799 U JP H027799U
- Authority
- JP
- Japan
- Prior art keywords
- windings
- transistor
- current detection
- series
- detection resistor
- 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
- 238000004804 winding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Stepping Motors (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は同実施例のコンデンサの端子電圧変化を示すグ
ラフ、第３図は従来例を示す回路図である。
２１……ステツピングモータ、２１ａ，２１ｂ
……巻線、２２，２３……相切換え用トランジス
タ、２６……電流検出用抵抗、２７……制御用ト
ランジスタ、２８……コンデンサ、２９……制御
回路。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a graph showing changes in terminal voltage of a capacitor in the same embodiment, and FIG. 3 is a circuit diagram showing a conventional example. 21...Stepping motor, 21a, 21b
... Winding wire, 22, 23 ... Phase switching transistor, 26 ... Current detection resistor, 27 ... Control transistor, 28 ... Capacitor, 29 ... Control circuit.
Claims (1)
線と、この各巻線にそれぞれ直列に接続された相
切換え用トランジスタと、前記各巻線と各相切換
え用トランジスタとの各直列回路に直列かつ共通
に接続された電流検出用抵抗と、前記各巻線への
通電を制御する制御用トランジスタと、前記各巻
線と各相切換え用トランジスタとの各直列回路に
前記電流検出用抵抗を介して並列に接続されたコ
ンデンサと、前記電流検出用抵抗に発生する電圧
を検出して前記制御用トランジスタをスイツチン
グ制御する制御回路からなることを特徴とするス
テツピングモータの制御装置。 A plurality of windings forming each phase of the stepping motor, a phase switching transistor connected in series to each of the windings, and a transistor connected in series and common to each series circuit of each of the windings and each phase switching transistor. A current detection resistor connected thereto, a control transistor for controlling energization to each of the windings, and a series circuit of each of the windings and each phase switching transistor are connected in parallel via the current detection resistor. 1. A stepping motor control device comprising: a capacitor; and a control circuit that detects a voltage generated in the current detection resistor and controls switching of the control transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8488088U JPH027799U (en) | 1988-06-27 | 1988-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8488088U JPH027799U (en) | 1988-06-27 | 1988-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027799U true JPH027799U (en) | 1990-01-18 |
Family
ID=31309562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8488088U Pending JPH027799U (en) | 1988-06-27 | 1988-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027799U (en) |
-
1988
- 1988-06-27 JP JP8488088U patent/JPH027799U/ja active Pending