JPH01104828U - - Google Patents
Info
- Publication number
- JPH01104828U JPH01104828U JP20118687U JP20118687U JPH01104828U JP H01104828 U JPH01104828 U JP H01104828U JP 20118687 U JP20118687 U JP 20118687U JP 20118687 U JP20118687 U JP 20118687U JP H01104828 U JPH01104828 U JP H01104828U
- Authority
- JP
- Japan
- Prior art keywords
- control
- abnormality detection
- valve
- release
- actuator
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Controls For Constant Speed Travelling (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の定速走行装置のアクチユエー
タ異常検出回路の一実施例の構成を示す回路図、
第２図は第１図の回路の正常時及び異常時の動作
を示すタイムチヤート図、第３図及び第４図は異
常検出回路を備えた従来の定速走行装置の構成を
示す回路である。
１……定速走行制御装置、１１……制御素子（
ＣＰＵ）、１２……異常検出回路、２１……解除
弁、２２……制御弁。
FIG. 1 is a circuit diagram showing the configuration of an embodiment of the actuator abnormality detection circuit of the constant speed traveling device of the present invention;
FIG. 2 is a time chart showing the operation of the circuit in FIG. 1 in normal and abnormal conditions, and FIGS. 3 and 4 are circuits showing the configuration of a conventional constant speed traveling device equipped with an abnormality detection circuit. . 1... Constant speed traveling control device, 11... Control element (
CPU), 12... Abnormality detection circuit, 21... Release valve, 22... Control valve.
Claims (1)
通電時にこの制御弁の動作を解除する解除弁とを
備えたアクチユエータと、能動素子を介して前記
制御弁と解除弁に制御信号および解除信号を出力
する制御素子とを備える定速走行装置のアクチユ
エータ異常検出回路であつて、 前記制御弁及び解除弁に接続された電流検出用
抵抗と、 前記電流検出用抵抗と前記制御素子の異常検出
端子との間に設けられ、前記電流検出用抵抗に発
生する電圧に応じて前記異常検出端子に信号を供
給する異常検出回路と、 を備えた定速走行強制解除回路。[Claims for Utility Model Registration] An actuator comprising a control valve that adjusts the throttle opening when energized and a release valve that releases the operation of the control valve when not energized, and an actuator that controls the control valve and the release valve through an active element. An actuator abnormality detection circuit for a constant speed traveling device, comprising: a control element that outputs a control signal and a release signal to a control element; a current detection resistor connected to the control valve and the release valve; An abnormality detection circuit that is provided between an abnormality detection terminal of a control element and supplies a signal to the abnormality detection terminal according to a voltage generated in the current detection resistor, and a constant speed running forced release circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20118687U JPH01104828U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20118687U JPH01104828U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01104828U true JPH01104828U (en) | 1989-07-14 |
Family
ID=31491560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20118687U Pending JPH01104828U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01104828U (en) |
-
1987
- 1987-12-29 JP JP20118687U patent/JPH01104828U/ja active Pending
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