JPS63109595U - - Google Patents
Info
- Publication number
- JPS63109595U JPS63109595U JP1987000056U JP5687U JPS63109595U JP S63109595 U JPS63109595 U JP S63109595U JP 1987000056 U JP1987000056 U JP 1987000056U JP 5687 U JP5687 U JP 5687U JP S63109595 U JPS63109595 U JP S63109595U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- power source
- drive power
- voltage
- rotational speed
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案のモータ駆動電源の一実施例を
示すブロツク図、第２図は従来例のブロツク図で
ある。
１……直流モータ、３……交流電源、４……降
圧トランス、５……平滑回路、１２……パルス幅
変調回路、１３……位相制御比較器、１４……発
振器、１５……回転速度計。
FIG. 1 is a block diagram showing one embodiment of the motor drive power source of the present invention, and FIG. 2 is a block diagram of a conventional example. 1... DC motor, 3... AC power supply, 4... Step-down transformer, 5... Smoothing circuit, 12... Pulse width modulation circuit, 13... Phase control comparator, 14... Oscillator, 15... Rotation speed Total.
Claims (1)
号に変換してモータに供給するモータ駆動電源に
おいて、前記モータの回転速度を規制する基礎周
波数とモータの実際の回転速度に相当する回転周
波数とを比較して比較信号を発する位相制御比較
回路と、前記比較信号に基づいて前記モータを定
速回転させるようにして前記非安定の直流を一定
電圧のパルス信号に直接変換するパルス幅変調回
路とを有することを特徴とするモータ駆動電源。 In a motor drive power source that converts DC with unstable voltage into a pulse signal with stable voltage and supplies it to the motor, a basic frequency that regulates the rotational speed of the motor and a rotational frequency that corresponds to the actual rotational speed of the motor are provided. a phase control comparison circuit that compares and generates a comparison signal; and a pulse width modulation circuit that directly converts the unstable direct current into a constant voltage pulse signal by causing the motor to rotate at a constant speed based on the comparison signal. A motor drive power source comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000056U JPS63109595U (en) | 1987-01-06 | 1987-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000056U JPS63109595U (en) | 1987-01-06 | 1987-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63109595U true JPS63109595U (en) | 1988-07-14 |
Family
ID=30776708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987000056U Pending JPS63109595U (en) | 1987-01-06 | 1987-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63109595U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60234483A (en) * | 1984-05-04 | 1985-11-21 | Konishiroku Photo Ind Co Ltd | Speed controller of motor |
-
1987
- 1987-01-06 JP JP1987000056U patent/JPS63109595U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60234483A (en) * | 1984-05-04 | 1985-11-21 | Konishiroku Photo Ind Co Ltd | Speed controller of motor |