JPS58193792U - DC motor speed control device - Google Patents
DC motor speed control deviceInfo
- Publication number
- JPS58193792U JPS58193792U JP1982088565U JP8856582U JPS58193792U JP S58193792 U JPS58193792 U JP S58193792U JP 1982088565 U JP1982088565 U JP 1982088565U JP 8856582 U JP8856582 U JP 8856582U JP S58193792 U JPS58193792 U JP S58193792U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- resistor
- collector
- control device
- speed control
- 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の直流モータの速度制御装置の電気回路図
、第２図は本考案にかかる直流モータの速度制御装置の
電気回路図である。 −１・・・・・・直流モータ、２
・・・・・・第１の抵抗、３・・・・・・電源端子、４
・・・・・・第２の抵抗、５・・・・・・第１のトラン
ジスタ、６． ７． ８・・間第３の抵抗、９．１０゜
１１・・・・・・第２のトランジスタ（直流モータ駆動
用トランジスタ）、１２・・・・・・基準電圧源、１３
・・・・・・法器、１４・・・・・・定電流源、１５・
・・・・・第４の抵抗、１６・・・・・・第５の抵抗。FIG. 1 is an electric circuit diagram of a conventional speed control device for a DC motor, and FIG. 2 is an electric circuit diagram of a speed control device for a DC motor according to the present invention. -1...DC motor, 2
...First resistor, 3...Power terminal, 4
. . . second resistor, 5 . . . first transistor, 6. 7. 8... Third resistor, 9.10° 11... Second transistor (DC motor drive transistor), 12... Reference voltage source, 13
・・・・・・Method device, 14・・・・Constant current source, 15・
...Fourth resistor, 16...Fifth resistor.
Claims (1)
ミッタが第２の抵抗を介して接地された第１のトランジ
スタと、ベースが前記第１のトランジスタのベースと共
通接続され、コレクタが直流モータを介して前記電源端
子に接続され、−エミッタが第３の抵抗を介して接地さ
れ、かつ、前記第１のトランジスタとカレントミラーを
構成する直流モータ駆動用の第２のトランジスタと、前
記第１のトランジスタのコレクタに第５の抵抗を介して
一端が接続された基準電圧源の他端１＋一方の入力端子
が接続され、他方の入力端子が前記第２のトランジスタ
のコレクタに接続され、出力端子が前記第１および第２
のトランジスタのベース共、 通接読点に接続された比
較器と、前記第５の抵抗および基準電圧源の接続点と前
記第２のトランジスタのコレクタとの間に接続された第
４の抵抗とを備えた直流モータの速度制御装置。a first transistor whose collector is connected to a power supply terminal via a first resistor and whose emitter is grounded via a second resistor; whose base is commonly connected to the base of the first transistor; a second transistor for driving a DC motor, which is connected to the power supply terminal via the motor, has an emitter grounded via a third resistor, and forms a current mirror with the first transistor; One end of the reference voltage source is connected to the collector of the first transistor via a fifth resistor, the other end of the reference voltage source 1 is connected to one input terminal, the other input terminal is connected to the collector of the second transistor, and the output terminal is connected to the collector of the second transistor. The terminals are connected to the first and second terminals.
a comparator connected to the common reading point; and a fourth resistor connected between the connection point of the fifth resistor and the reference voltage source and the collector of the second transistor. DC motor speed control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982088565U JPS58193792U (en) | 1982-06-14 | 1982-06-14 | DC motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982088565U JPS58193792U (en) | 1982-06-14 | 1982-06-14 | DC motor speed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58193792U true JPS58193792U (en) | 1983-12-23 |
Family
ID=30097230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982088565U Pending JPS58193792U (en) | 1982-06-14 | 1982-06-14 | DC motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193792U (en) |
-
1982
- 1982-06-14 JP JP1982088565U patent/JPS58193792U/en active Pending
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