JPS6355796U - - Google Patents
Info
- Publication number
- JPS6355796U JPS6355796U JP1986147484U JP14748486U JPS6355796U JP S6355796 U JPS6355796 U JP S6355796U JP 1986147484 U JP1986147484 U JP 1986147484U JP 14748486 U JP14748486 U JP 14748486U JP S6355796 U JPS6355796 U JP S6355796U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- drive circuit
- motor drive
- control
- reversing
- 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 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Control Of Direct Current Motors (AREA)
Description
第１図はこの考案の実施例によるモータ駆動回
路の回路構成図、第２図は他の実施例の回路構成
図、第３図は従来のモータ駆動回路の回路構成図
である。
１…モータ、３ａ，３ｂ…コントロール部、６
…過電流検出抵抗、７…比較器、８…過電流判定
回路、Ｑ１，Ｑ２，Ｑ３，Ｑ４…トランジスタ。
FIG. 1 is a circuit diagram of a motor drive circuit according to an embodiment of the invention, FIG. 2 is a circuit diagram of another embodiment, and FIG. 3 is a circuit diagram of a conventional motor drive circuit. 1...Motor, 3a, 3b...Control unit, 6
...Overcurrent detection resistor, 7. Comparator, 8. Overcurrent determination circuit, Q1 , Q2 , Q3 , Q4 ...Transistor.
Claims (1)
４により通電方向を制御して、モータ１を正転、
逆転又は停止せしめるコントロール部３ａ，３ｂ
を備えたモータ駆動回路において、前記モータ１
に過電流が流れたことを検出して、前記コントロ
ール部３ａ，３ｂを介して該モータ１を停止制御
する過電流保護回路６，７，８，９・６，１１，
１０を設けたことを特徴とするモータ駆動回路。 A plurality of switching elements Q 1 , Q 2 , Q 3 , Q
4 to control the current direction and rotate the motor 1 in the forward direction.
Control parts 3a, 3b for reversing or stopping
In the motor drive circuit comprising the motor 1
an overcurrent protection circuit 6, 7, 8, 9, 6, 11, which detects that an overcurrent flows through the motor 1 and controls the motor 1 to stop via the control sections 3a, 3b;
1. A motor drive circuit characterized in that a motor drive circuit is provided with 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986147484U JPS6355796U (en) | 1986-09-26 | 1986-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986147484U JPS6355796U (en) | 1986-09-26 | 1986-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6355796U true JPS6355796U (en) | 1988-04-14 |
Family
ID=31060888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986147484U Pending JPS6355796U (en) | 1986-09-26 | 1986-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6355796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03273894A (en) * | 1990-03-20 | 1991-12-05 | Toyota Autom Loom Works Ltd | Controller for drive circuit of direct-current motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131093A (en) * | 1983-12-16 | 1985-07-12 | Matsushita Electric Ind Co Ltd | Current limiting and protecting circuit |
-
1986
- 1986-09-26 JP JP1986147484U patent/JPS6355796U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131093A (en) * | 1983-12-16 | 1985-07-12 | Matsushita Electric Ind Co Ltd | Current limiting and protecting circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03273894A (en) * | 1990-03-20 | 1991-12-05 | Toyota Autom Loom Works Ltd | Controller for drive circuit of direct-current motor |