JPS5981300U - DC motor speed control device - Google Patents
DC motor speed control deviceInfo
- Publication number
- JPS5981300U JPS5981300U JP1982175811U JP17581182U JPS5981300U JP S5981300 U JPS5981300 U JP S5981300U JP 1982175811 U JP1982175811 U JP 1982175811U JP 17581182 U JP17581182 U JP 17581182U JP S5981300 U JPS5981300 U JP S5981300U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- power supply
- motor
- input terminal
- drive circuit
- 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
Landscapes
- Control Of Direct Current Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の直流電動機の速度制御装置を示す電気結
線図、第２図は本考案の一実施例にかかる直流電動機の
速度制御装置が電気結線図である。
１・・・・・・第１の抵抗、２・・・・・・基準電源、
３・・・・・・電圧比較回路、５・・・・・・駆動回路
、６・・・・・・第２のトランジスタ、７・・・・・・
第１のトランジスタ、１０・・・・・・電動機。FIG. 1 is an electrical wiring diagram showing a conventional speed control device for a DC motor, and FIG. 2 is an electrical wiring diagram showing a speed control device for a DC motor according to an embodiment of the present invention. 1...First resistor, 2...Reference power supply,
3...Voltage comparison circuit, 5...Drive circuit, 6...Second transistor, 7...
First transistor, 10... electric motor.
Claims (1)
スタと、この電動機及び第１のトランジスタと並列関係
に直流電源の両端に接続された第１の抵抗及び前記第１
のトランジスタに対し、所定比の電流が流れる第２のト
ランジスタと、一方の入力端が前記電動機及び第１のト
ランジスタの共通接続点に接続され、他入力端が基準電
源を介して、前記第１の抵抗及び第２のトランジスタの
共通接点に接続された電圧比較回路と、入力端が前記駆
動回路の出力端に接続され、出力端を前記第１及び第２
のトランジスタで構成される出力回路のベース電極に接
続された駆動回路とを備え、前記駆動回路をダーリント
ン・トランジスタにて構成した直流電動機の速度制御装
置。A motor and a first transistor connected to both ends of a DC power supply; a first resistor connected to both ends of the DC power supply in parallel with the motor and the first transistor; and the first resistor connected to both ends of the DC power supply.
A second transistor through which a current of a predetermined ratio flows, one input terminal is connected to the common connection point of the motor and the first transistor, and the other input terminal is connected to the first transistor through a reference power supply. a voltage comparator circuit connected to the common contact of the resistor and the second transistor; an input terminal connected to the output terminal of the drive circuit;
and a drive circuit connected to a base electrode of an output circuit made up of transistors, the drive circuit being made up of Darlington transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982175811U JPS5981300U (en) | 1982-11-19 | 1982-11-19 | DC motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982175811U JPS5981300U (en) | 1982-11-19 | 1982-11-19 | DC motor speed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5981300U true JPS5981300U (en) | 1984-06-01 |
Family
ID=30382391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982175811U Pending JPS5981300U (en) | 1982-11-19 | 1982-11-19 | DC motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5981300U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472412A (en) * | 1977-11-21 | 1979-06-09 | Nec Corp | Motor speed control circuit |
| JPS5681092A (en) * | 1979-11-30 | 1981-07-02 | Hitachi Ltd | Speed control circuit for dc motor |
-
1982
- 1982-11-19 JP JP1982175811U patent/JPS5981300U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472412A (en) * | 1977-11-21 | 1979-06-09 | Nec Corp | Motor speed control circuit |
| JPS5681092A (en) * | 1979-11-30 | 1981-07-02 | Hitachi Ltd | Speed control circuit for dc motor |
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