JPH01180199U - - Google Patents
Info
- Publication number
- JPH01180199U JPH01180199U JP7528888U JP7528888U JPH01180199U JP H01180199 U JPH01180199 U JP H01180199U JP 7528888 U JP7528888 U JP 7528888U JP 7528888 U JP7528888 U JP 7528888U JP H01180199 U JPH01180199 U JP H01180199U
- Authority
- JP
- Japan
- Prior art keywords
- inductive load
- reference voltage
- drive circuit
- circuit section
- drive
- 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.)
- Granted
Links
- 230000001939 inductive effect Effects 0.000 claims 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Description
第１図は、本考案の一実施例を示す回路図、第
２図は、第１図の回路で駆動されたステツピング
モータのコイルＬ１の電流波形の一例図、第３図
は、同じく電流設定信号でデコーダ回路により電
流を複数回切替えた時のステツピングモータのコ
イルの電流波形の一例図、第４図は、従来のステ
ツピングモータの他励式定電流チヨツパ駆動回路
図、そして第５図は、第４図の回路で駆動された
ステツピングモータのコイルの電流波形の一例を
示す図である。
１……駆動電流可変制御回路部、２……駆動回
路部、３……ステツピングモータのコイルの一部
、４……発振回路、５……デコーダ回路、６……
加算器、７……比較器、Ｃ……コンデンサ、Ｄ…
…ダイオード、Ｒ……抵抗器、ＴＲ……トランジ
スタ、ＩＣ……オープンコレクタの非反転回路、
Ｖ１……ステツピングモータ駆動用電源電圧、Ｖ
２……制御回路用電源電圧、Ｌ１，Ｌ３……ステ
ツピングモータのコイル。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is an example of the current waveform of the coil L1 of the stepping motor driven by the circuit of FIG. 1, and FIG. An example of the current waveform of a stepping motor coil when the current is switched multiple times by a decoder circuit using a setting signal. Figure 4 is a diagram of a conventional separately excited constant current chopper drive circuit of a stepping motor, and Figure 5 is 4 is a diagram showing an example of a current waveform of a coil of a stepping motor driven by the circuit shown in FIG. 4. FIG. DESCRIPTION OF SYMBOLS 1... Drive current variable control circuit part, 2... Drive circuit part, 3... Part of the coil of a stepping motor, 4... Oscillation circuit, 5... Decoder circuit, 6...
Adder, 7... Comparator, C... Capacitor, D...
...Diode, R...Resistor, TR...Transistor, IC...Open collector non-inverting circuit,
V1...Stepping motor drive power supply voltage, V
2...Power supply voltage for control circuit, L1, L3... Coil of stepping motor.
Claims (1)
と、誘導負荷の可変駆動電流値を設定するための
基準電圧を設定し駆動回路部へ接続・入力させる
駆動電流可変制御回路部とからなる誘導負荷の他
励式定電流チヨツパ駆動回路に於いて、 上記基準電圧を形成する基準電圧用交流成分電
圧と基準電圧用直流成分電圧との重畳結合を加算
器により行うようにしたことを特徴とする誘導負
荷の他励式定電流チヨツパ駆動回路。 (2) 誘導負荷を可変的に駆動させる駆動回路部
と、誘導負荷の可変駆動電流値を設定するための
基準電圧を設定し駆動回路部へ接続・入力させる
駆動電流可変制御回路部とからなる誘導負荷の他
励式定電流チヨツパ駆動回路に於いて、 上記基準電圧設定に用いる抵抗の選択をデコー
ダ回路により行うものとしたことを特徴とする誘
導負荷の他励式定電流チヨツパ駆動回路。[Claims for Utility Model Registration] (1) A drive circuit section that variably drives an inductive load, and a drive that sets a reference voltage for setting the variable drive current value of the inductive load and connects and inputs it to the drive circuit section. In a separately excited type constant current chopper drive circuit for an inductive load, which includes a variable current control circuit section, an adder performs superimposition coupling of the AC component voltage for the reference voltage and the DC component voltage for the reference voltage, which form the reference voltage. A separately excited constant current chopper drive circuit for an inductive load, characterized in that: (2) Consists of a drive circuit section that variably drives the inductive load, and a variable drive current control circuit section that sets a reference voltage for setting the variable drive current value of the inductive load and connects and inputs it to the drive circuit section. 1. A separately excited constant current chopper drive circuit for an inductive load, characterized in that a decoder circuit selects a resistor used for setting the reference voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988075288U JP2547320Y2 (en) | 1988-06-08 | 1988-06-08 | Independently driven constant current chopper drive circuit of inductive load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988075288U JP2547320Y2 (en) | 1988-06-08 | 1988-06-08 | Independently driven constant current chopper drive circuit of inductive load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01180199U true JPH01180199U (en) | 1989-12-25 |
| JP2547320Y2 JP2547320Y2 (en) | 1997-09-10 |
Family
ID=31300360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988075288U Expired - Lifetime JP2547320Y2 (en) | 1988-06-08 | 1988-06-08 | Independently driven constant current chopper drive circuit of inductive load |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2547320Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815495A (en) * | 1981-07-17 | 1983-01-28 | Alps Electric Co Ltd | Control circuit for pulse motor |
| JPS59106874A (en) * | 1982-12-08 | 1984-06-20 | Fuji Electric Co Ltd | Instantaneous value control system for load current |
| JPS6248292A (en) * | 1985-08-23 | 1987-03-02 | Nec Corp | Drive circuit for pulse motor |
-
1988
- 1988-06-08 JP JP1988075288U patent/JP2547320Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815495A (en) * | 1981-07-17 | 1983-01-28 | Alps Electric Co Ltd | Control circuit for pulse motor |
| JPS59106874A (en) * | 1982-12-08 | 1984-06-20 | Fuji Electric Co Ltd | Instantaneous value control system for load current |
| JPS6248292A (en) * | 1985-08-23 | 1987-03-02 | Nec Corp | Drive circuit for pulse motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2547320Y2 (en) | 1997-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63179781U (en) | ||
| JPH01180199U (en) | ||
| JPS6245514Y2 (en) | ||
| JPH0439096U (en) | ||
| JPH0619354Y2 (en) | Driving circuit for fan motor | |
| JPS62185489U (en) | ||
| JPS6086091U (en) | transistor inverter | |
| JPS63127283U (en) | ||
| JPH0377286U (en) | ||
| JPS626656Y2 (en) | ||
| JPH0377299U (en) | ||
| JPH0383498U (en) | ||
| JPS6397386U (en) | ||
| JPS61113600U (en) | ||
| JPS6172099U (en) | ||
| JPH0451095U (en) | ||
| JPS6331942U (en) | ||
| JPS62175643U (en) | ||
| JPS5846171U (en) | Saturation voltage detection circuit | |
| JPS59129398U (en) | Drive circuit for pulse motor | |
| JPH0377300U (en) | ||
| JPH03127499U (en) | ||
| JPS6284392U (en) | ||
| JPS6296808U (en) | ||
| JPS6238098U (en) |