JPS58193793U - DC motor speed control device - Google Patents
DC motor speed control deviceInfo
- Publication number
- JPS58193793U JPS58193793U JP1982088566U JP8856682U JPS58193793U JP S58193793 U JPS58193793 U JP S58193793U JP 1982088566 U JP1982088566 U JP 1982088566U JP 8856682 U JP8856682 U JP 8856682U JP S58193793 U JPS58193793 U JP S58193793U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- transistor
- transistors
- connection point
- collector
- 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、２ａ・・・・・・第１の抵
抗、２ｂ・・・・・・第２の抵抗、３・・・・・・電源
端子、４・・間第２の抵抗、５・・・・・・第１のトラ
ンジスタ、６． ７． ８・・・・・・第３の抵抗、９
． １０． １１・・間第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・・・・・・比較器、１４・・回定電流源、
１５・・・・・・第４の抵抗。
補正 昭５８．２．１６
実用新案登録請求の範囲を次のように補正する。
Ｏ実用新案登録請求の範囲
コレクタが直列接続された第１の抵抗と第２の抵抗を介
して電源端子に接続され、エミッタが牽３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、エミッタが第
４の抵抗を介して接地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、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の抵抗と第２の抵抗との
接続点に一端が接続された基準電圧源の他端に一方の入
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続点に接続された
比較器と、前記第１の抵抗と第２の抵抗との接続点と前
記第２のトランジスタのコレクタ間に接続された第５の
抵抗とを備えた直流モータの速度制御装置。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, 2a... First resistor, 2b... Second resistor, 3... Power terminal, 4... Second between resistance, 5...first transistor, 6. 7. 8...Third resistance, 9
．． 10. 11... second transistor (DC motor drive transistor), 12... reference voltage source, 13... comparator, 14... constant current source,
15...Fourth resistance. Amendment February 16, 1980 The scope of claims for utility model registration is amended as follows. Utility Model Registration Claims A first transistor whose collector is connected to a power supply terminal through a first resistor and a second resistor connected in series, and whose emitter is grounded through a third resistor; is the first
a DC motor drive, which is commonly connected to the bases of the transistors, has an emitter grounded via a fourth resistor, has a collector connected to the power supply terminal via the DC motor, and forms a current mirror with the first transistor. One input terminal is connected to the other end of a reference voltage source, one end of which is connected to the connection point between the second transistor for the first resistor and the second resistor, and the other input terminal is connected to the second transistor for the second transistor. a comparator connected to the collector of the second transistor and having an output terminal connected to a common connection point of the bases of the first and second transistors; a connection point between the first resistor and the second resistor; and a fifth resistor connected between the collectors of the two transistors.
Claims (1)
して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、エミッタが第
３の抵抗を介して接地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、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の抵抗と第２の抵抗との
接続点に一端が接続された基準電圧源の他端に一方の入
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続点に接続された
比較器と、前記第１の抵抗と第２の抵抗との接続点と前
記第２のトランジスタのコレクタ間に接続された第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 a second resistor connected in series, and whose emitter is grounded via a third resistor;
a DC motor drive which is commonly connected to the bases of the transistors, has an emitter grounded via a third resistor, has a collector connected to the power supply terminal via the DC motor, and forms a current mirror with the first transistor. One input terminal is connected to the other end of a reference voltage source, one end of which is connected to the connection point between the second transistor for the first resistor and the second resistor, and the other input terminal is connected to the second transistor for the second transistor. a comparator connected to the collector of the second transistor and having an output terminal connected to a common connection point of the bases of the first and second transistors; a connection point between the first resistor and the second resistor; and a fourth resistor connected between the collectors of the two transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982088566U JPS58193793U (en) | 1982-06-14 | 1982-06-14 | DC motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982088566U JPS58193793U (en) | 1982-06-14 | 1982-06-14 | DC motor speed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58193793U true JPS58193793U (en) | 1983-12-23 |
Family
ID=30097231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982088566U Pending JPS58193793U (en) | 1982-06-14 | 1982-06-14 | DC motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193793U (en) |
-
1982
- 1982-06-14 JP JP1982088566U patent/JPS58193793U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58193793U (en) | DC motor speed control device | |
| JPS58193792U (en) | DC motor speed control device | |
| JPS5963714U (en) | constant current circuit | |
| JPS5981300U (en) | DC motor speed control device | |
| JPS59144799U (en) | lamp control device | |
| JPS60124045U (en) | Output transistor protection circuit | |
| JPS5931061U (en) | full wave rectifier circuit | |
| JPS59103599U (en) | Output adjustment circuit for small DC motor | |
| JPS59162720U (en) | switch input circuit | |
| JPS5830338U (en) | multiplexer drive circuit | |
| JPS583682U (en) | Clamp pulse shaping circuit | |
| JPS6020624U (en) | Variable voltage source circuit by charging and discharging | |
| JPS58101216U (en) | Stabilized power supply circuit | |
| JPH0273827U (en) | ||
| JPS6073327U (en) | Power cutoff circuit | |
| JPS6077118U (en) | transistor amplifier circuit | |
| JPS59103536U (en) | Over-discharge prevention circuit for small DC motor drive batteries | |
| JPS5937899U (en) | Motor current limit circuit | |
| JPS60134326U (en) | High voltage DC switching circuit | |
| JPS5956837U (en) | Power supply noise removal circuit | |
| JPS591236U (en) | High voltage pulse generation circuit | |
| JPS58141630U (en) | Multivibrator circuit | |
| JPS6039123U (en) | constant voltage circuit | |
| JPS5937614U (en) | Stabilized power supply circuit | |
| JPS6018694U (en) | DC motor speed control device |