自调高减震器介绍
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Leveling port
High pressure chamber
Diaphragm
▶CVW condition /空载环境
▶Leveling port Open /提升通道开放
▶Pump chamber & Leveling port Close
/泵ܯநۥŨ关闭
▶Oil Flow / ৃʄஎ : LPC / ૹ压气ܯ → Pump Rod / 泵杆 → Inlet V/V / 输ં阀 → Pump chamber / 泵ܯ
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100%
-
-
100%
-
-
• Car Maker : GM, GMDAT, Ford, DCX, Toyota, Subaru, Mazda, HMC,KMC,SYMC • Trends : application rate of SUV & SUT is increase
Applications / 市场使用情况
g Reset Coil Spring / 重新调整螺旋弹簧 g Calculate Ride Frequency / 计算乘车振动数
g Target leveling height / 设定目标提升高度 g Measurement of input data for Self Leveling
/ 测量对于自动提升输入值 - Max. internal pressure, Piston velocity, Stroke,Temp.
■ Air Spring characteristics
/ 可变气弹ြଝؒ
: The heavier the pay-load, the stiffer the spring
/ 负荷愈重，弹簧愈硬
Components / 构成品
Piston Rod
/ 活塞杆
Relief Valve Ass’y
/调压阀
Sport Lower middle class Wagon Middle & upper middle class Sport SUV/MPV Often standard for 7 seater VAN Motorway service vehicles Special Police cars Vehicle Ambulance car Fleet vehicle
Hyundai
Kia
SsangYong
GMDAT
GM
SANTA FE
SORENTO
Chrysler
MUSSO SPORT
Ford
WINSTORM
Volvo
CADILLAC SRX
YUKON
Opel
Mercedes Benz
VOYAGER
PACIFICA
GALAXY
XC90
VECTRA WAGON
MERCEDES BENZ C-CLASS WAGON
最好的性能和耐久性 最好的有效重量和成本控制设计
性能
低摩擦力油封 提升性能
. 优化油封 - 低摩擦力 - 控制油气流通 检查密封
耐久性
防尘油封 安全性减压阀 清洁度
. 防尘密封 (刮刀式)
. 减压阀 :在非正常条件下 控制最大内部压强
降低重量
材料 - 轻量化 - 高强度 结构简化
. 材料变更 (铝, 塑料)
M
Loaded
装载
Decreasing Height
Driving (Reb.)
行使（回弹）
Driving(Comp.)
行驶（压缩）
Rebound stroke
Pump chamber
Compression stroke
End of Leveling
完成提升
Unloaded
卸货
Lift
rod Leveling port
440
420
400
380 0 0.5 1
24 48 64 72
Time(Hr)
R/Height(mm)
500
ACT.
Target
480
460
440
420
400
380 0 1 2 3 4 5 6 10
Time (Sec.)
Applications / 市场使用情况
Vehicle grade
Lower middle class Sedan Middle & upper middle class
Application rate
Europe
USA
ASIA
1 ~ 3%
-
-
2 ~ 5%
30 ~ 100%
-
100%
-
-
8 ~ 12%
-
-
15 ~ 30% 40 ~ 100%
10%
100%
-
-
20 ~ 60% 50 ~ 75% 10 ~ 50%
35 ~ 35% 30 ~ 40%
-
100%
-
-
100%
-
Response time 反应时间
Less than 10 sec. 小于10秒
Result 结果
R/Height(mm)
480 460 440 420 400 380 360 340
0
ACT. Target
1
2
3
4
5
Distance (Km)
R/Height(mm)
480
Target ACT.
460
Design Points / 设计要点
■ Ride Frequency Design / 乘坐频率设计 - Minimize change of ride freq. under increasing load
/尽管负荷的增加，把乘坐频率的变化减到最少
■ Developing low friction Seal / 开发低摩擦的密封圈 ■ Leveling Time : Run 2min. Max / 提高车身时间：车辆行驶2分钟内
. 简化
(片式阻止阀)
Design Procedure / 设计程序
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/ /设设定定初初期期条条件件 DDeesisgignnVVeerrifiifcicaatitoionn
Vehicle Evaluation / 车辆评价
■ Leveling performance
Target 目标值
Leveling distance 提升距离
Within 4 Km distance 4 公里之内
Leak rate 漏出率
Less than10mm after 24hrs 24小时后小于10毫米
It depends on driving condition (road, speed) ：行驶条件路况左右提升率(路况、车辆速度）
After 2~3km driving
1/4 Car Structure / 1/4 车模型
Suspension Diagram / 减振器简图
Characteristics Description / 特性描述
■ Added Air Spring at rear suspension
/ ၫ减ಂ,սᨸ়空气弹ြ
: Installed high pressure Air Chamber in damper
/ 在减震器上安装高压气室
■ Raise the vehicle height by reaction force of Air Spring on driving.
▶Oil Flow /ৃʄஎ : Pump chamber / 泵ܯ →Outlet V/V / 输ෆ阀 →HPC / 高压气ܯ
▶ HPC pressure ↑ / 高压ܯ气压սۥ →Rod & Height ↑
▶Height return at CVW /复ॴ空载环境ଝ车高
/ ဥ֜杆车高սۥ
最大内部气压、活塞速度、行程、温度
(Example) Design Concept /设计概念
Design of Initial condition / 初期条件的设计
Classification
SOR
CVW
352.5
Weight
Leveling Position
483
Design
↑
GVW
581
Conv.
▶Oil Flow /ৃʄஎ
: HPC / 高压气ܯ
▶Oil Flow / ৃਾ动
→Leveling port /நۥŨ
:Pump chamber& HPC open →LPC / ૹ压气ܯ
/ 泵ܯ高压气ܯ开϶
Leveling Force Simulation/提升力模拟
43mm UP
/ /设设计计确确认认 MMeeaassuurreemmeennttooffVVeehhiicclleetteesstt
/ / 测测量量试试车车
g Vehicle Weight Condition / 车重条件 g Suspension Geometric Data / 悬架几何数据 g Coil Spring Rate / 弹簧刚度 g Self Leveling Data / 自动提升数据
技术介绍 : 自调整车高减震器
13 June. 2007
