JPS60136212U

JPS60136212U - Electronically controlled suspension device

Info

Publication number: JPS60136212U
Application number: JP1984007218U
Authority: JP
Inventors: 田中　忠夫; 近森　順; 原良　光彦; 真一竹内; 鈴村　昌永; 實竪本; 熊谷　直武; 裕毅阿部
Original assignee: 三菱自動車工業株式会社
Priority date: 1984-01-24
Filing date: 1984-01-24
Publication date: 1985-09-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案め一実施例に係る電子制御サスペンシ
ョン装置を示す図、第２図は第１図の各サスペンション
ユニットとショックアブソーバとの連結部分を示す断面
図、第３図ないし第７図はそれぞれ実施例の動作を示す
フローチャート、第８図は車速−ハンドル角速度特性曲
線を示す図、第９図は車速−ハンドル角特性曲線を示す
図、第１０図及び第一１１図はそれぞれ車速−前後加速
度特性曲線を示す図、第１２図は変速段−アクセル速度
特性曲線を示す図である。１１ａ〜１１ｄ・・・主空気ばね室、１２ａ〜１２ｄ・
・・副空気ばね室、１６・・・コントローラ、２０Ｆ、
２０Ｒ・・・リザーブタンク、２２ａ〜２２ｄ・・・給
気用ソレノイドバルブ、２３ａ〜２３ｄ・・・排気用ソ
レノイドバルブ、２６ａ〜２６ｄ・・・ばね定数切換用
ソレノイドバルブ、３０・・・操舵センサ、３２・・・
アクセル開度センサ、３４・・・車速センサ。ｉ：２　１　１、囚ム）Ｓ８　１　　♀１些か１期 □：；ニー、８噌蒙′　　　　　ＩＬ、−ｍ１口〕−向÷ｉ−＠　　　　。補正　昭６０゜４．５考案の名称を次のように補正する。 ■考案の名称　　電子制御サスペンション装置実用新案
登録請求の範囲、図面の簡単な説明を次のように補正す
る。Ｏ実用新案登録請求の範囲各輪毎に設けられ各々流体ばね室を有するサスペンショ
ンユニットと、サスペンションユニットの　流　ばね　に各々供給用開
閉弁を介して流体を供給可能な流体供給手段と、各サスペンションユニットの名流　ばね　から各々排出
用開閉弁を介して流体を排出可能な流体排出手段と、左右各サスペンションユニットの流体ばね室を前輪同志
及び後輪同志で各々連通用制御弁を介して連通ずる連通
手段と、車体のロール変位を検出するロール変位検出手峠２へ゛當時は上記　２　寸の連゛用制御　を開くことにより
左右各サスペンションユニットの流体ばね室を前輪同志
及び後輪同志で相互に連通させ、上記ロール変位下田１
１鰯二求す沖附ヂとにボン定位を検出したときは上記連
通手段の連通用制御弁を閉じるとともに、車体のロール
方向に関して上記各サスペンションユニットの縮み側あ
流体はねの上記供給用開閉弁を設定時間開くことによっ
て同流体ばねに流体を設定量供給し、かつ伸び側の流体
ばね　の上記υ出用開閉弁を設定時間開くことによって
同流体ばね室から流体を設定量排出することにより、車
体のロール変位を抑制するロー　。四朶寞伊同削訴ヰｆ段とを備えたことを特徴とする電子
制御サスペンション装置。図面の簡単な説明第１図はこの考案の一実施例に係る電子制御サスペンシ
ョン装置を示す図、第２図は第１図の各サスペンション
ユニットとショックアブソーバとの連結部分を示す断面
図、第３図ないし第７図はそれぞれ実施例の動作を示す
フローチャート、第８図は車速−ハンドル角速度特性曲
線を示す図、第９図は車速−ハンドル角特性曲線を示す
図、第１０図及び第１１図はそれぞれ車速−前後加速度
特性曲線を示す図、第１２図は変速段−アクセル゛速度
特性曲線を示す図である。１１ａ〜１１ｄ・・・主空気ばね室、１２ａ〜１２ｄ・
・・副空気ばね室、１６・・・コントローラ、２０Ｆ、
２０Ｒ・・・リザーブタンク、２２ａ〜２２ｄ・・・給
気用ソレノイドバルブ、２３ａ〜２３ｄ・・・排気用ソ
レノイドバルブ、２６ａ〜２６ｄ・・・ばね定数切換用
ソレノイドバルブ、３０・・・操舵センサ、３２・・・
アクセル開度センサ、３４・・・車速−、ンサ。FIG. 1 is a diagram showing an electronically controlled suspension device according to an embodiment of this invention, FIG. 2 is a cross-sectional view showing the connection portion between each suspension unit in FIG. 1 and a shock absorber, and FIGS. 3 to 7 8 is a flowchart showing the operation of the embodiment, FIG. 8 is a diagram showing a vehicle speed-steering wheel angular velocity characteristic curve, FIG. 9 is a diagram showing a vehicle speed-steering wheel angle characteristic curve, and FIGS. FIG. 12 is a diagram showing a longitudinal acceleration characteristic curve, and FIG. 12 is a diagram showing a gear stage-accelerator speed characteristic curve. 11a to 11d... Main air spring chamber, 12a to 12d.
... Sub-air spring chamber, 16... Controller, 20F,
20R...Reserve tank, 22a-22d...Air supply solenoid valve, 23a-23d...Exhaust solenoid valve, 26a-26d...Spring constant switching solenoid valve, 30...Steering sensor, 32...
Accelerator opening sensor, 34...Vehicle speed sensor. i:2 1 1, prisoner) S8 1 ♀1 Trivial 1st period □: ; Ni, 8 噌 MON' I L, -m1口〕-向÷i-＠. Amendment 1980゜4.5 The name of the invention is amended as follows. ■Name of the invention The scope of the electronically controlled suspension device utility model registration claim and the brief description of the drawings are amended as follows. O Utility Model Registration Claims A suspension unit provided for each wheel and each having a fluid spring chamber, a fluid supply means capable of supplying fluid to each fluid spring of the suspension unit via a supply on-off valve, and each suspension unit. A fluid discharge means capable of discharging fluid from each spring via a discharge on-off valve, and a communication means that communicates the fluid spring chambers of each left and right suspension unit between the front wheels and the rear wheels through communication control valves. and roll displacement detection hand pass 2 that detects the roll displacement of the vehicle body. At that time, by opening the above-mentioned 2-dimensional communication control, the fluid spring chambers of each left and right suspension unit are communicated with each other between the front wheels and the rear wheels. , the above roll displacement Shimoda 1
1. When the position of the cylinder is detected at the desired offshore location, the communication control valve of the communication means is closed, and the fluid splashes are opened and closed on the compression side of each suspension unit in the roll direction of the vehicle body. A set amount of fluid is supplied to the fluid spring by opening the valve for a set time, and a set amount of fluid is discharged from the fluid spring chamber by opening the above-mentioned υ release on-off valve of the extension side fluid spring for a set time. , Low to suppress roll displacement of the vehicle body. An electronically controlled suspension device characterized by being equipped with a four-wheel drive gear and an F-stage. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an electronically controlled suspension device according to an embodiment of the invention, FIG. 7 through 7 are flowcharts showing the operation of the embodiment, FIG. 8 is a diagram showing a vehicle speed-steering wheel angular velocity characteristic curve, FIG. 9 is a diagram showing a vehicle speed-steering wheel angle characteristic curve, and FIGS. 10 and 11. 12 are diagrams showing vehicle speed-longitudinal acceleration characteristic curves, and FIG. 12 is a diagram showing a gear stage-accelerator speed characteristic curve. 11a to 11d... Main air spring chamber, 12a to 12d.
... Sub-air spring chamber, 16... Controller, 20F,
20R...Reserve tank, 22a-22d...Air supply solenoid valve, 23a-23d...Exhaust solenoid valve, 26a-26d...Spring constant switching solenoid valve, 30...Steering sensor, 32...
Accelerator opening sensor, 34...Vehicle speed-, sensor.

Claims

[Scope of utility model registration request]

A suspension unit installed for each wheel that uses a combination of main and sub air spring chambers and auxiliary springs, a pair of connecting pipes connecting the left and right main air spring chambers of the front and rear wheel suspension units, and this connecting pipe. A communication control valve interposed between the main air spring chambers of each suspension unit, a reserve tank for storing compressed air, and an air supply valve that connects this reserve tank and the main air spring chamber of the suspension unit. An air supply control valve provided for each suspension unit installed in the piping, and an air supply control valve provided for each suspension unit installed in the exhaust piping connecting the main air spring chamber of each suspension unit and the exhaust pipe. An electronically controlled suspension device comprising: an exhaust control valve; and a controller that controls the opening and closing of the communication control valve, the air supply control valve, and the exhaust control valve to control their posture.