JPS62114876U - - Google Patents
Info
- Publication number
- JPS62114876U JPS62114876U JP289986U JP289986U JPS62114876U JP S62114876 U JPS62114876 U JP S62114876U JP 289986 U JP289986 U JP 289986U JP 289986 U JP289986 U JP 289986U JP S62114876 U JPS62114876 U JP S62114876U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- control unit
- current flowing
- control section
- current
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Description
図面第１図はこの考案の実施例を示す回路図、
第２図はコンパレータ回路からの出力電圧Ｖ４の
特性を示したグラフ、第３図は従来のステアリン
グ装置を示す概略図、第４図はその回路図である
。
Ｍ……電動モータ、ａ〜ｃ……第１〜３制御部
、２４……パワートランジスタ、２６……駆動回
路、２７，２８……リレー。
Figure 1 is a circuit diagram showing an embodiment of this invention;
FIG. 2 is a graph showing the characteristics of the output voltage V4 from the comparator circuit, FIG. 3 is a schematic diagram showing a conventional steering device, and FIG. 4 is a circuit diagram thereof. M...Electric motor, a to c...First to third control sections, 24...Power transistor, 26...Drive circuit, 27, 28...Relay.
Claims (1)
る第１制御部と、この第１制御部の出力信号に応
じて電動モータの駆動回路をオン、オフさせるパ
ワートランジスタを主要素にしてなる第２制御部
と、上記駆動回路に設けた複数のリレーと、上記
第１制御部から出力される回転方向信号に応じて
上記リレーを制御する第３制御部とを備え、上記
リレーの開閉状況に応じて上記駆動回路を流れる
電流の流れ方向を正反対に切換える構成にすると
ともに、上記駆動回路に流れる電流を検出し、設
定値以上の電流が流れている間、第２制御部を制
御して駆動回路をオフにさせる電流制限回路を設
けた電動式パワーステアリング装置。 A second control section whose main elements include a first control section that outputs an electric signal according to the driving conditions of the vehicle, and a power transistor that turns on and off the drive circuit of the electric motor according to the output signal of the first control section. A control unit, a plurality of relays provided in the drive circuit, and a third control unit that controls the relay according to a rotation direction signal output from the first control unit, and according to the opening/closing status of the relay. The current flowing through the drive circuit is configured to switch the flow direction of the current flowing through the drive circuit in the opposite direction, and the second control unit is controlled to control the drive circuit while the current flowing through the drive circuit is flowing at a value exceeding a set value. An electric power steering device equipped with a current limiting circuit that turns off the current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP289986U JPH0519268Y2 (en) | 1986-01-13 | 1986-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP289986U JPH0519268Y2 (en) | 1986-01-13 | 1986-01-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62114876U true JPS62114876U (en) | 1987-07-21 |
| JPH0519268Y2 JPH0519268Y2 (en) | 1993-05-20 |
Family
ID=30782166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP289986U Expired - Lifetime JPH0519268Y2 (en) | 1986-01-13 | 1986-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519268Y2 (en) |
-
1986
- 1986-01-13 JP JP289986U patent/JPH0519268Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519268Y2 (en) | 1993-05-20 |
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