JPH0350993U - - Google Patents
Info
- Publication number
- JPH0350993U JPH0350993U JP1989110713U JP11071389U JPH0350993U JP H0350993 U JPH0350993 U JP H0350993U JP 1989110713 U JP1989110713 U JP 1989110713U JP 11071389 U JP11071389 U JP 11071389U JP H0350993 U JPH0350993 U JP H0350993U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- value
- detection resistor
- current detection
- control device
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Motor And Converter Starters (AREA)
- Stopping Of Electric Motors (AREA)
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案の実施例におけるモータの速度
制御装置のブロツク図、第２図は本考案の制御装
置を用いた複写機の運転パターン図、第３図は従
来のモータの速度制御装置のブロツク図、第４図
は従来の制御装置を用いた複写機の運転パターン
図である。
１……基準クロツク信号、２……正逆切替信号
、３……ＰＬＬ制御回路、４……駆動回路、５…
…パワー回路、６……第１の電流検出抵抗、７…
…第２の電流検出抵抗、８……電流制限回路、９
……モータ、１０……回転検出器（ＦＧ）、１１
……第１の電源、１２……第２の電源、Ｑ１，Ｑ
２，Ｑ３，Ｑ４……パワー素子、３−１……速度
比較回路、３−２……位相比較回路、１３……ゲ
イン切替信号、１４……スイツチ選択回路、Ｒ１
，Ｒ２……Ｒｎ抵抗、ＳＷ１，ＳＷ２……ＳＷｎ
アナログスイツチ。
Fig. 1 is a block diagram of a motor speed control device according to an embodiment of the present invention, Fig. 2 is an operation pattern diagram of a copying machine using the control device of the present invention, and Fig. 3 is a diagram of a conventional motor speed control device. The block diagram in FIG. 4 is an operation pattern diagram of a copying machine using a conventional control device. 1...Reference clock signal, 2...Forward/reverse switching signal, 3...PLL control circuit, 4...Drive circuit, 5...
...power circuit, 6...first current detection resistor, 7...
...Second current detection resistor, 8...Current limit circuit, 9
... Motor, 10 ... Rotation detector (FG), 11
...First power supply, 12...Second power supply, Q 1 , Q
2 , Q3 , Q4 ...power element, 3-1...speed comparison circuit, 3-2...phase comparison circuit, 13...gain switching signal, 14...switch selection circuit, R1
, R 2 ... Rn resistance, SW 1 , SW 2 ... SWn
analog switch.
Claims (1)
転検出器の出力と基準クロツクの出力にてＰＬＬ
制御を行うＰＬＬ制御回路と、このＰＬＬ制御回
路の出力と正逆切替信号によりパワー素子を駆動
する駆動回路と、正転時にモータの電圧を印加す
る第１の電源と、逆転時にモータの電圧を印加す
る第２の電源と、正転時のモータ電流を検出する
第１の電流検出抵抗と、逆転時のモータ電流を検
出する第２の電流検出抵抗とを備えたことを特徴
とするモータの速度制御装置。 (2) 前記第２の電源の電圧値は、前記第１の電
源電圧値より高電圧値とすることを特徴とする請
求項１記載のモータの速度制御装置。 (3) 前記第２の電流検出抵抗の値は、前記第１
の電流検出抵抗の値より小さい値とすることを特
徴とする請求項１記載のモータの速度制御装置。[Claims for Utility Model Registration] (1) A rotation detector connected to a motor, and a PLL using the output of this rotation detector and the output of a reference clock.
A PLL control circuit that performs control, a drive circuit that drives a power element using the output of this PLL control circuit and a forward/reverse switching signal, a first power supply that applies voltage to the motor during forward rotation, and a first power supply that applies voltage to the motor during reverse rotation. A motor characterized by comprising: a second power source for applying, a first current detection resistor for detecting a motor current during forward rotation, and a second current detection resistor for detecting a motor current during reverse rotation. Speed control device. (2) The motor speed control device according to claim 1, wherein the voltage value of the second power source is higher than the voltage value of the first power source. (3) The value of the second current detection resistor is equal to the value of the first current detection resistor.
2. The motor speed control device according to claim 1, wherein the value is smaller than the value of the current detection resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989110713U JP2526548Y2 (en) | 1989-09-21 | 1989-09-21 | Motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989110713U JP2526548Y2 (en) | 1989-09-21 | 1989-09-21 | Motor speed control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0350993U true JPH0350993U (en) | 1991-05-17 |
| JP2526548Y2 JP2526548Y2 (en) | 1997-02-19 |
Family
ID=31659235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989110713U Expired - Lifetime JP2526548Y2 (en) | 1989-09-21 | 1989-09-21 | Motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2526548Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5558787A (en) * | 1978-10-24 | 1980-05-01 | Inoue Japax Res Inc | Dc-motor drive control device |
| JPS61161988A (en) * | 1985-01-11 | 1986-07-22 | Omron Tateisi Electronics Co | Servo motor drive device |
-
1989
- 1989-09-21 JP JP1989110713U patent/JP2526548Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5558787A (en) * | 1978-10-24 | 1980-05-01 | Inoue Japax Res Inc | Dc-motor drive control device |
| JPS61161988A (en) * | 1985-01-11 | 1986-07-22 | Omron Tateisi Electronics Co | Servo motor drive device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2526548Y2 (en) | 1997-02-19 |
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