JPH0282607U - - Google Patents
Info
- Publication number
- JPH0282607U JPH0282607U JP16266988U JP16266988U JPH0282607U JP H0282607 U JPH0282607 U JP H0282607U JP 16266988 U JP16266988 U JP 16266988U JP 16266988 U JP16266988 U JP 16266988U JP H0282607 U JPH0282607 U JP H0282607U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle height
- solenoid valve
- control means
- feedback information
- adjustable suspension
- 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
- 239000000725 suspension Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 1
Description
第１図は本考案の一実施例としての車高調整式
サスペンシヨンの制御装置の要部の回路図、第２
図は同上制御装置の装着される油圧回路、第３図
は第２図中の電磁弁の断面図、第４図ａ，ｂは電
源回路における電源電流の波形図、第５図ａ，ｂ
は電磁弁に流れるデユーテイ電流及び同電流を平
滑化したフイードバツク電流の各波形図、第６図
はフイードバツク電流とアクチユエータ圧として
の油圧の特性線図である。
１……アクチユエータ、２……電磁弁、３……
駆動回路、５……フイードバツク回路、６……電
源回路、２８……電源、２９……定電圧回路。
Figure 1 is a circuit diagram of the main parts of a control device for a vehicle height adjustable suspension as an embodiment of the present invention;
The figure shows the hydraulic circuit in which the above control device is installed, Figure 3 is a sectional view of the solenoid valve in Figure 2, Figures 4a and b are waveform diagrams of the power supply current in the power supply circuit, and Figures 5a and b
6 is a waveform diagram of the duty current flowing through the solenoid valve and a feedback current obtained by smoothing the current, and FIG. 6 is a characteristic diagram of the feedback current and oil pressure as actuator pressure. 1... Actuator, 2... Solenoid valve, 3...
Drive circuit, 5... Feedback circuit, 6... Power supply circuit, 28... Power supply, 29... Constant voltage circuit.
Claims (1)
量をデユーテイ作動する電磁弁により操作し、上
記電磁弁の現在の駆動電流に基づく車高フイード
バツク情報を制御手段により検出し、かつ、この
制御手段は指定される目標車高情報と上記車高フ
イードバツク情報との偏差を検出し、車両を目標
車高に保持するための車高調整信号を上記電磁弁
に出力する構成の車高調整式サスペンシヨンの制
御装置において、上記制御手段には定電圧回路を
介して電源が接続されたことを特徴とする車高調
整式サスペンシヨンの制御装置。 The amount of supply and discharge of working fluid to and from the vehicle height adjustment actuator is controlled by a solenoid valve operating on a duty basis, and vehicle height feedback information based on the current drive current of the solenoid valve is detected by a control means, and the control means A vehicle height adjustable suspension configured to detect a deviation between designated target vehicle height information and the vehicle height feedback information and output a vehicle height adjustment signal to the solenoid valve to maintain the vehicle at the target vehicle height. 1. A control device for a vehicle height adjustable suspension, characterized in that the control means is connected to a power source via a constant voltage circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16266988U JPH0282607U (en) | 1988-12-15 | 1988-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16266988U JPH0282607U (en) | 1988-12-15 | 1988-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0282607U true JPH0282607U (en) | 1990-06-26 |
Family
ID=31446704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16266988U Pending JPH0282607U (en) | 1988-12-15 | 1988-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0282607U (en) |
-
1988
- 1988-12-15 JP JP16266988U patent/JPH0282607U/ja active Pending
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