JPH04185517A - Vehicle height adjusting device - Google Patents

Vehicle height adjusting device

Info

Publication number
JPH04185517A
JPH04185517A JP31486790A JP31486790A JPH04185517A JP H04185517 A JPH04185517 A JP H04185517A JP 31486790 A JP31486790 A JP 31486790A JP 31486790 A JP31486790 A JP 31486790A JP H04185517 A JPH04185517 A JP H04185517A
Authority
JP
Japan
Prior art keywords
vehicle height
vehicle
power supply
battery
ignition switch
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
Application number
JP31486790A
Other languages
Japanese (ja)
Inventor
Shigeru Iwata
繁 岩田
Hiroshi Murata
広志 村田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokico Ltd
Original Assignee
Tokico Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokico Ltd filed Critical Tokico Ltd
Priority to JP31486790A priority Critical patent/JPH04185517A/en
Publication of JPH04185517A publication Critical patent/JPH04185517A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To improve riding comfortability and appearance and relieve wear in a battery by feeding electric power to a vehicle height adjusting device by the completion of an occupant's getting off a vehicle even after turning off an ignition switch, and stopping feeding electric power immediately after the completion of the occupant's getting off the vehicle. CONSTITUTION:In a vehicle height adjusting device 1, there are provided an air spring 4 (supporting device) which supports a vehicle body 2 between the vehicle body 2 and a wheel 3, a feed/discharge device 5 which adjusts a vehicle height by feeding or discharging compressed air to the air spring 4, a vehicle height sensor 6 which detects the vehicle height, and a controller 7 which controls the operation of the feed/discharge device 5 according to a vehicle height signal. There is also provided a power supply circuit 9 which feeds electric power to the feed/discharge device 5, the vehicle height sensor 6 and the controller 7 from a battery 8. In the power supply circuit 9, there is provided a switching means which feeds electric power from the battery 8 even after turning off the ignition switch 10 and stops feeding electric power after receiving data on vehicle door.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、自動車等の車両の車高調整装置に関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a vehicle height adjustment device for a vehicle such as an automobile.

(従来の技術) 自動車等の車両において、車高センサの出力信号に応じ
て懸架装置に設けられた空気ばねに供給する圧縮空気を
制御して車高を自動的に基準高さに調整する車高調整装
置が知られている。
(Prior art) Vehicles such as automobiles that automatically adjust the vehicle height to a reference height by controlling compressed air supplied to an air spring provided in a suspension system according to an output signal from a vehicle height sensor. High adjustment devices are known.

ところで、このような従来の車高調整装置にあっては、
イグニッションスイッチをオフすると車高調整装置の車
高センサ、圧縮空気の給排装置および制御装置への給電
が停止されるので車高調整が行われなくなる。したがっ
て、駐車してイグニッションスイッチをオフした後、乗
員が降車すると車両重量が軽くなった分だけ車高が高(
なることになる。そのため、乗車しにくくなったり、車
体が傾いたりする虞があるという欠点があった。
By the way, in such a conventional vehicle height adjustment device,
When the ignition switch is turned off, power supply to the vehicle height sensor of the vehicle height adjustment device, the compressed air supply/discharge device, and the control device is stopped, so vehicle height adjustment is no longer performed. Therefore, after parking the vehicle and turning off the ignition switch, when the occupants exit the vehicle, the height of the vehicle increases (
It will become. This has the disadvantage that it may become difficult to get into the vehicle or the vehicle body may tilt.

そこで、特開昭55−47908号公報には、イグニッ
ションスイッチをオフした後も、タイマ回路によって車
高調整装置の車高センサ、給排装置および制御装置にバ
ッテリからの電力を所定時間供給し、乗員の降車によっ
て変化した車高を基準高さに調整するようにした電子式
車高調整装置が提案されている。
Therefore, Japanese Patent Laid-Open No. 55-47908 discloses that even after the ignition switch is turned off, a timer circuit supplies power from the battery to the vehicle height sensor, supply/exhaust device, and control device of the vehicle height adjustment device for a predetermined period of time. 2. Description of the Related Art An electronic vehicle height adjustment device has been proposed that adjusts a vehicle height that changes due to a passenger getting out of the vehicle to a reference height.

(発明が解決しようとする課題) しかしながら、特開昭55−47908号公報に開示さ
れたものでは、イグニッションスイッチをオフした後、
乗員が降車完了するまでの時間を想定し、この時間を所
定時間としてタイマ回路に設定するので、乗員降車後の
車高調整を確実に行うためには所定時間を充分長く設定
する必要がある。したがって、イグニッションスイッチ
オフ後、すなわちエンジン停止後に、乗員の降車完了、
未完了にかかわらずバッテリから車高センサ、給排装置
および制御装置に長時間電力が供給されることになるの
でバッテリが消耗し易いという問題がある。
(Problem to be Solved by the Invention) However, in the method disclosed in Japanese Patent Application Laid-Open No. 55-47908, after the ignition switch is turned off,
Since this time is set in the timer circuit as a predetermined time based on the assumption that it will take the passenger to exit the vehicle, it is necessary to set the predetermined time sufficiently long in order to reliably adjust the vehicle height after the passenger exits the vehicle. Therefore, after the ignition switch is turned off, that is, after the engine stops, the exit of the passenger is completed.
There is a problem in that the battery is easily consumed because power is supplied from the battery to the vehicle height sensor, the supply/discharge device, and the control device for a long time regardless of whether the process is completed or not.

本発明は、以上の点に鑑みて成されたものであり、イグ
ニッションスイッチをオフした後、乗員の降車完了まで
車高調整装置の車高センサ、給排装置および制御装置に
電力を供給して車高調整を行い、降車完了後、速やかに
この電力の供給を停止することを目的とする。
The present invention has been made in view of the above points, and supplies power to the vehicle height sensor of the vehicle height adjustment device, the supply/exhaust device, and the control device after the ignition switch is turned off until the passenger has exited the vehicle. The purpose is to adjust the vehicle height and immediately stop the power supply after the vehicle has exited the vehicle.

(課題を解決するための手段) 本発明は、上記の課題を解決するために、車体と車輪と
の間に介装されて流体圧によって車体を支承する支承装
置と、該支承装置の圧力流体の給排を行う給排装置と、
車高センサと、該車高センサの出力信号に応じて前記給
排装置を制御する制御装置と、前記給排装置、車高セン
サおよび制御装置にバッテリからの電力を供給する電源
回路とからなる車両の車高調整装置において、前記電源
回路に、イグニッションスイッチをオフした後、前記バ
ッテリから前記給排装置、車高センサおよび制御装置へ
の給電を行い、ドアに関する情報を受けて前記給電を停
止するスイッチング手段を設けたことを特徴とする。
(Means for Solving the Problems) In order to solve the above problems, the present invention provides a support device that is interposed between a vehicle body and wheels and supports the vehicle body using fluid pressure, and a pressure fluid of the support device. A supply and discharge device that supplies and discharges the
Consisting of a vehicle height sensor, a control device that controls the supply/discharge device according to an output signal of the vehicle height sensor, and a power supply circuit that supplies power from a battery to the supply/discharge device, the vehicle height sensor, and the control device. In the vehicle height adjustment device, after the ignition switch is turned off, the power supply circuit supplies power from the battery to the supply/exhaust device, vehicle height sensor, and control device, and stops the power supply upon receiving information regarding the door. The present invention is characterized in that it is provided with a switching means.

(作用) このように構成したことにより、イグニッションスイッ
チをオフした後も電源回路に設けたスイッチング手段に
よってバッテリから給排装置、車高センサおよび制御装
置への給電が行われるので車高を調整することができる
。また、ドアに関する情報を受けて前記給電を停止する
ようにしたので、乗員の降車完了をドアに関rる情報に
よって確定し、降車完了後、速やかに前記給電を停止す
ることができる。
(Function) With this configuration, even after the ignition switch is turned off, power is supplied from the battery to the supply/discharge device, vehicle height sensor, and control device by the switching means provided in the power supply circuit, so that the vehicle height can be adjusted. be able to. Furthermore, since the power supply is stopped upon receiving information regarding the door, it is possible to determine whether the occupant has exited the vehicle based on the information regarding the door, and to promptly stop the power supply after the passenger has exited the vehicle.

(実施例) 以下、本発明の一実施例を図面に基づいて詳細に説明す
る。
(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

第1図に示すように、本実施例の車高調整装置1には、
車体2と車輪3との間に介装されて圧縮空気圧(流体圧
)によって車体2を支承する空気ばね4(支承装置)と
、空気ばね4の圧縮空気を給排することによって車高の
調整を行うソレノイドバルブ5aおよびコンプレッサ5
bからなる給排装置5と、車高を検知する車高センサ6
と、車高センサ6の出力信号に応じて給排装置5の作動
を制御する制御装置7とが設けられている。そして、車
高センサ6が検知した車高が、基準高さより低い場合は
コンプレッサ5aによって空気ばね4に圧縮空気を供給
して車高を上げ、基準高さより高い場合はソレノイドバ
ルブ5bによって空気ばね4の圧縮空気を排出して車高
を下げるように制御装置7から給排装置5に制御信号を
送り、車高を基準高さに調整するようにしている。
As shown in FIG. 1, the vehicle height adjustment device 1 of this embodiment includes:
An air spring 4 (supporting device) is interposed between the vehicle body 2 and the wheels 3 and supports the vehicle body 2 using compressed air pressure (fluid pressure), and the vehicle height is adjusted by supplying and discharging compressed air from the air spring 4. Solenoid valve 5a and compressor 5
a supply/exhaust device 5 consisting of b, and a vehicle height sensor 6 that detects the vehicle height.
and a control device 7 that controls the operation of the supply/discharge device 5 in accordance with the output signal of the vehicle height sensor 6. If the vehicle height detected by the vehicle height sensor 6 is lower than the reference height, the compressor 5a supplies compressed air to the air spring 4 to raise the vehicle height, and if it is higher than the reference height, the solenoid valve 5b causes the air spring 4 to The control device 7 sends a control signal to the supply/discharge device 5 to discharge the compressed air and lower the vehicle height, thereby adjusting the vehicle height to the reference height.

さらに、イグニッションスイッチ10がオンのときバッ
テリ8から給排装置5、車高センサ6および制御装置7
に電力を供給する電源回路9が設けられている。この電
源回路9には、イグニッションスイッチlOをオフした
後も、バッテリ8から給排装置5、車高センサ6および
制御装置7への給電を行い、車両のドア(図示せず)の
開閉あるいはドアロックの施錠等、ドアに関する情報を
受けて前記給電を停止するスイッチング手段が設けられ
ている。また、このスイッチング手段は、イグニッショ
ンスイッチ10をオフしてから所定時間経過後に前記給
電を停止するタイマ手段を備えている。
Further, when the ignition switch 10 is on, the battery 8 is connected to the supply/discharge device 5, the vehicle height sensor 6, and the control device 7.
A power supply circuit 9 is provided for supplying power to. This power supply circuit 9 continues to supply power from the battery 8 to the supply/exhaust device 5, vehicle height sensor 6, and control device 7 even after the ignition switch 1O is turned off. A switching means is provided for receiving information regarding the door, such as locking, and stopping the power supply. Further, this switching means includes a timer means for stopping the power supply after a predetermined period of time has passed since the ignition switch 10 is turned off.

なお、乗員の降車完了を確定するドアに関する情報とし
ては、例えば、運転者が降車してドアを閉じた時点、あ
るいは運転者がドアロックを施錠した時点をもって全て
の乗員が降車したものと見なし、運転席例のドアを閉じ
る動作、あるいは運転席例のドアロックを施錠する動作
を用いるとよい。
Information regarding the door that determines when the occupants have exited the vehicle includes, for example, when the driver exits the vehicle and closes the door, or when the driver locks the door, it is assumed that all passengers have exited the vehicle. It is preferable to use an action of closing the door of the example driver's seat or an action of locking the door of the example driver's seat.

スイッチング手段は、例えば、第2図に示すフローチャ
ートに基づいて作動するものとなる。なお、第2図にお
いては、ドアロックの施錠をドアに関する情報の一例と
して採用しており、電源回路9(スイッチング手段)へ
はドアキーセンサ1)からの信号が入力される(第1図
参照)。
The switching means operates based on the flowchart shown in FIG. 2, for example. In addition, in FIG. 2, the locking of the door is adopted as an example of information regarding the door, and a signal from the door key sensor 1) is input to the power supply circuit 9 (switching means) (see FIG. 1). .

第2図のフローチャートについて説明する。The flowchart in FIG. 2 will be explained.

イグニッションスイッチ10をオフすると、同時にタイ
マ回路が作動し、タイマ手段が所定時間をカウントした
かどうかを判定する(ステップ■)。イグニッションス
イッチIOのオフ後、所定時間以内(NO)の場合は、
ドアキーセンサ1)からの信号に基づきドアロックが施
錠されたかどうかを判定しくステップ■)、施錠されて
し1なければ(NO)ステップ■へ戻り、施錠されてい
ればfYEs)給電を停止する(ステップ■)。−方、
イグニッションスイッチ10のオフから所定時間経過後
(ステップ■で判定YES )の場合は、給電を停止す
る(ステップ■)。
When the ignition switch 10 is turned off, the timer circuit is activated at the same time, and it is determined whether the timer means has counted a predetermined time (step 2). If within the specified time (NO) after the ignition switch IO is turned off,
It is determined whether the door is locked based on the signal from the door key sensor 1) (Step ■), and if it is not locked (NO), the process returns to Step ■; if it is locked, fYEs), the power supply is stopped ( Step ■). - direction,
If a predetermined period of time has elapsed since the ignition switch 10 was turned off (YES in step (2)), power supply is stopped (step (2)).

以上のように構成した本実施例の作用について次に説明
する。
The operation of this embodiment configured as above will be explained next.

イグニッションスイッチlOがオンの場合は、電源回路
によってバッテリ8から給排装置5、車高センサ6およ
び制御装置7に電力が供給されて車高調整が行われる。
When the ignition switch IO is on, the power supply circuit supplies power from the battery 8 to the supply/discharge device 5, the vehicle height sensor 6, and the control device 7 to adjust the vehicle height.

イグニッションスイッチlOをオフするとスイッチング
手段が作動して、その後もバッテリ8から給排装置5、
車高センサ6および制御装置7への給電が継続して行わ
れる。したがってイグニッションスイッチ10のオフ後
、乗員が降車して車両重量が変化しても車高調整装置1
によって車高は基準高さに調整される。そして、降車の
完了を車両のドアの開閉あるいはドアロックの施錠等の
ドアに関する情報によって確定し、このドアに関する情
報を受けてスイッチング手段7は前記給電を停止する。
When the ignition switch 1O is turned off, the switching means is activated, and thereafter the supply/discharge device 5,
Power is continuously supplied to the vehicle height sensor 6 and the control device 7. Therefore, after the ignition switch 10 is turned off, even if the occupant gets off the vehicle and the weight of the vehicle changes, the vehicle height adjustment device 1
The vehicle height is adjusted to the standard height. Completion of getting off the vehicle is determined based on door-related information such as opening/closing of the vehicle door or locking of the door, and upon receiving this door-related information, the switching means 7 stops the power supply.

このようにして、降車完了後、速やかに給電が停止され
る。
In this way, the power supply is immediately stopped after exiting the vehicle.

一方、イグニッションスイッチ10のオフ後、ドア操作
が行われない場合は、タイマ手段によってイグニッショ
ンスイッチ°lOのオフから所定時間経過後に給電が停
止される。
On the other hand, if the door is not operated after the ignition switch 10 is turned off, the timer means stops the power supply after a predetermined period of time has elapsed since the ignition switch 10 was turned off.

なお、乗員の降車による車高の変化は、車高が高くなる
方向であり、車高調整は車高を下げる方向にのみ行われ
ることになるので、イグニッションスイッチオフ後の給
排装置5への給電は、空気ばね4の圧縮空気の排出を行
うツレ  4ノイドバルブ5aのみを対象に行うように
してもよい。
Note that the change in vehicle height due to the passenger getting out of the vehicle increases the vehicle height, and the vehicle height adjustment is performed only in the direction of lowering the vehicle height. The power may be supplied only to the four-noid valve 5a that discharges compressed air from the air spring 4.

(発明の効果) 本発明は、以上詳述したように構成したことにより、イ
グニッションスイッチをオフした後、スイッチング手段
によってバッテリから給排装置、車高センサおよび制御
装置への!81iが行われるので車高を調整することが
できる。また、ドアに関する情報を受けて給電を停止す
るようにしたので、乗員の降車完了をドアに関する情報
によって確定し、降車完了後、速やかに給電を停止する
ことができる。その結果、イグニッションスイッチオフ
後の乗員の降車による車高の変化を基準高さに調整して
駐車中の車両の姿勢をよくし、乗車性および見栄えを向
上させることができる。また、乗員の降車完了後、速や
かに給電を停止するのでバッテリの消耗を軽減すること
ができるという優れた効果を奏する。
(Effects of the Invention) The present invention is configured as described in detail above, so that after the ignition switch is turned off, the switching means connects the battery to the supply/discharge device, the vehicle height sensor, and the control device! 81i is performed, so the vehicle height can be adjusted. Furthermore, since the power supply is stopped upon receiving information regarding the door, it is possible to determine whether the occupant has exited the vehicle based on the information regarding the door, and to promptly stop the power supply after the passenger has exited the vehicle. As a result, it is possible to adjust the change in vehicle height due to the passenger getting out of the vehicle after the ignition switch is turned off to the reference height, thereby improving the posture of the parked vehicle and improving ride comfort and appearance. Moreover, since the power supply is immediately stopped after the passenger has disembarked from the vehicle, an excellent effect is achieved in that battery consumption can be reduced.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本発明の一実施例の車高調整装置を示す説明
図、 第2図は、本発明の一実施例のスイッチング手段の作動
を示すフローヂャートである。 1・・・車高調整装置 2・・・車体 3・・・車輪 4・・・空気ばね(支承装置) 5・・・給排装置 6・・・車高センサ 7・・・制御装置 8・・・バッテリ
FIG. 1 is an explanatory diagram showing a vehicle height adjusting device according to an embodiment of the present invention, and FIG. 2 is a flowchart showing the operation of a switching means according to an embodiment of the present invention. 1... Vehicle height adjustment device 2... Vehicle body 3... Wheels 4... Air spring (support device) 5... Supply/discharge device 6... Vehicle height sensor 7... Control device 8. ··Battery

Claims (1)

【特許請求の範囲】[Claims] (1)車体と車輪との間に介装されて流体圧によって車
体を支承する支承装置と、該支承装置の圧力流体の給排
を行う給排装置と、車高センサと、該車高センサの出力
信号に応じて前記給排装置を制御する制御装置と、前記
給排装置、車高センサおよび制御装置にバッテリからの
電力を供給する電源回路とからなる車両の車高調整装置
において、前記電源回路に、イグニッションスイッチを
オフした後、前記バッテリから前記給排装置、車高セン
サおよび制御装置への給電を行い、ドアに関する情報を
受けて前記給電を停止するスイッチング手段を設けたこ
とを特徴とする車高調整装置。
(1) A support device that is interposed between the vehicle body and the wheels and supports the vehicle body using fluid pressure, a supply/discharge device that supplies and discharges pressurized fluid from the support device, a vehicle height sensor, and the vehicle height sensor. A vehicle height adjustment device comprising: a control device that controls the supply/discharge device according to an output signal of the vehicle; and a power supply circuit that supplies power from a battery to the supply/discharge device, the vehicle height sensor, and the control device; The power supply circuit is provided with a switching means for supplying power from the battery to the supply/ejection device, the vehicle height sensor, and the control device after the ignition switch is turned off, and for stopping the power supply upon receiving information regarding the door. Vehicle height adjustment device.
JP31486790A 1990-11-20 1990-11-20 Vehicle height adjusting device Pending JPH04185517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31486790A JPH04185517A (en) 1990-11-20 1990-11-20 Vehicle height adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31486790A JPH04185517A (en) 1990-11-20 1990-11-20 Vehicle height adjusting device

Publications (1)

Publication Number Publication Date
JPH04185517A true JPH04185517A (en) 1992-07-02

Family

ID=18058578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31486790A Pending JPH04185517A (en) 1990-11-20 1990-11-20 Vehicle height adjusting device

Country Status (1)

Country Link
JP (1) JPH04185517A (en)

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