JPH04192U - - Google Patents
Info
- Publication number
- JPH04192U JPH04192U JP1990039346U JP3934690U JPH04192U JP H04192 U JPH04192 U JP H04192U JP 1990039346 U JP1990039346 U JP 1990039346U JP 3934690 U JP3934690 U JP 3934690U JP H04192 U JPH04192 U JP H04192U
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- rotation command
- sets
- command signal
- motor
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Protection Of Generators And Motors (AREA)
- Control Of Direct Current Motors (AREA)
Description
第1図は本考案の直流モータ駆動回路の実施例
を示す回路図、第2図はタイマ回路の特性図であ
る。
2……ブレーキスイツチ、3……パーキングス
イツチ、4……直流電源、13,16……トラン
ジスタ、18,21……トランジスタ、22,2
4,30……抵抗、23……コンデンサ、25,
28……トランジスタ、35……直流モータ、3
6……連動スイツチ、36a……共通固定接点、
36b……ロツク側固定接点、36c……アンロ
ツク側固定接点、36d……可動接点、A……正
逆転信号発生回路、B……ブリツジ形負荷給電回
路、C……アクチユエータ、D……タイマ回路。
FIG. 1 is a circuit diagram showing an embodiment of the DC motor drive circuit of the present invention, and FIG. 2 is a characteristic diagram of the timer circuit. 2... Brake switch, 3... Parking switch, 4... DC power supply, 13, 16... Transistor, 18, 21... Transistor, 22, 2
4, 30...Resistor, 23...Capacitor, 25,
28...Transistor, 35...DC motor, 3
6... Interlocking switch, 36a... Common fixed contact,
36b...Lock side fixed contact, 36c...Unlock side fixed contact, 36d...Movable contact, A...Forward/reverse signal generation circuit, B...Bridge type load supply circuit, C...Actuator, D...Timer circuit .
Claims (1)
によりブリツジを構成すると共に、両組のコレク
タ間に直流モータを接続し、かつ両組のエミツタ
間に電力を供給可能とすると共に、一方の組のト
ランジスタのベースと他方の組をなすトランジス
タのベースに一方向回転指令信号及び他方向回転
指令信号をそれぞれ導入して直流モータを一方向
及び他方向に回転させるべきブリツジ形負荷給電
回路と、前記直流モータに連結した可動接点と、
前記2組のトランジスタと直列にそれぞれ接続し
た第1、第2の固定接点と、前記電源に接続され
かつ前記可動接点と常に接触する共通固定接点と
を包含し、可動接点の一方向回転移動端及び他方
向回転移動端において共通固定接点と第1、第2
の固定接点との導通を遮断すべき連動スイツチと
、前記連動スイツチ、2組のトランジスタ及び電
源と直列に接続した一方向回転指令スイツチとを
備える直流モータ駆動回路において、 前記一方向回転指令スイツチが閉成する時、抵
抗を介して充電されるコンデンサによる微分信号
を一方向回転指令信号として一方の組のトランジ
スタのベースに供給するタイマ回路と、 他方向回転指令スイツチが閉成する時導通し、
他方の組のトランジスタのベースに他方向回転指
令信号を供給する第1のトランジスタと、第1の
トランジスタの導通により導通し前記コンデンサ
の両端路を閉成することにより前記一方の組のト
ランジスタのベースへの一方向回転指令信号を吸
収する第2のトランジスタを包含する信号発生回
路と、 を備えることを特徴とする直流モータ駆動回路。[Claims for Utility Model Registration] Two sets of two transistors connected in series constitute a bridge, a DC motor is connected between the collectors of both sets, and power can be supplied between the emitters of both sets. At the same time, a bridge type that rotates the DC motor in one direction and the other direction by introducing a one-way rotation command signal and another direction rotation command signal into the base of one set of transistors and the base of the other set of transistors, respectively. a load power supply circuit; a movable contact connected to the DC motor;
A unidirectional rotational moving end of the movable contact includes first and second fixed contacts connected in series with the two sets of transistors, and a common fixed contact connected to the power source and always in contact with the movable contact. and a common fixed contact and the first and second at the other direction rotational end.
A DC motor drive circuit comprising an interlocking switch to cut off conduction with a fixed contact, and a unidirectional rotation command switch connected in series with the interlocking switch, two sets of transistors, and a power supply, wherein the unidirectional rotation command switch is When closed, a timer circuit supplies a differentiated signal from a capacitor charged through a resistor to the bases of one set of transistors as a one-way rotation command signal, and when the other-direction rotation command switch is closed, conducts.
a first transistor that supplies a rotation command signal in the other direction to the bases of the transistors of the other set; and a base of the transistors of the one set that is made conductive by the conduction of the first transistor and closes both ends of the capacitor. A DC motor drive circuit comprising: a signal generation circuit including a second transistor that absorbs a unidirectional rotation command signal to the DC motor drive circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990039346U JPH04192U (en) | 1990-04-12 | 1990-04-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990039346U JPH04192U (en) | 1990-04-12 | 1990-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04192U true JPH04192U (en) | 1992-01-06 |
Family
ID=31548179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990039346U Pending JPH04192U (en) | 1990-04-12 | 1990-04-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04192U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53109063U (en) * | 1977-02-08 | 1978-09-01 |
-
1990
- 1990-04-12 JP JP1990039346U patent/JPH04192U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53109063U (en) * | 1977-02-08 | 1978-09-01 |