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1. CN109649106 - Air suspension height control system and control method

Office Chine
Numéro de la demande 201811468502.1
Date de la demande 03.12.2018
Numéro de publication 109649106
Date de publication 19.04.2019
Type de publication A
CIB
B60G 17/015
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
60VÉHICULES EN GÉNÉRAL
GSUSPENSION DES VÉHICULES
17Suspensions élastiques permettant d'ajuster les caractéristiques des ressorts ou des amortisseurs de vibrations, de réguler la distance entre la surface porteuse et la partie suspendue du véhicule ou de bloquer la suspension pendant l'utilisation pour s'adapter aux conditions variables du véhicule ou du terrain, p.ex. en fonction de la vitesse ou de la charge
015les moyens de régulation comportant des éléments électriques ou électroniques
B60G 17/052
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
60VÉHICULES EN GÉNÉRAL
GSUSPENSION DES VÉHICULES
17Suspensions élastiques permettant d'ajuster les caractéristiques des ressorts ou des amortisseurs de vibrations, de réguler la distance entre la surface porteuse et la partie suspendue du véhicule ou de bloquer la suspension pendant l'utilisation pour s'adapter aux conditions variables du véhicule ou du terrain, p.ex. en fonction de la vitesse ou de la charge
02les caractéristiques des ressorts
04à fluide
052Caractéristiques des ressorts pneumatiques
CPC
B60G 17/015
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
17Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
015the regulating means comprising electric or electronic elements
B60G 17/052
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
17Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
02Spring characteristics ; , e.g. mechanical springs and mechanical adjusting means
04fluid spring characteristics
052Pneumatic spring characteristics
Déposants GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
珠海格力电器股份有限公司
Inventeurs WEI HENG
魏恒
CHENG HAISONG
程海松
LIU RENSHENG
刘壬生
PAN GAOQIANG
潘高强
QIU DONG
邱东
SONG YIYING
宋奕莹
CHEN XINCONG
陈新聪
Mandataires 北京华夏泰和知识产权代理有限公司 11662
Titre
(EN) Air suspension height control system and control method
(ZH) 一种空气悬架高度控制系统和控制方法
Abrégé
(EN)
The invention discloses an air suspension height control system and control method. A detection unit of the system is used for detecting current pressure and current height of an air spring, recordingcurrent pressure data and outputting current height data, the current height and first preset height are compared by a control unit, a height adjustment command is outputted if a difference value between the current height and the first preset height exceeds preset height difference range, acquired adjusted height and second preset height are compared by a height adjusting unit, the height of theair spring is increased, the pressure data of the air spring is recorded after the height is increased if the adjusted height is higher than the second preset height, the height of the air spring isreduced, and the pressure data of the air spring is recorded after the height is reduced if the adjusted height is lower than the second preset height. The system can monitor suspension height in realtime and timely adjust the height, so that the air spring can consistently keep roughly constant height range, and the roughly constant height of a vehicle is ensured.

(ZH)
本发明公开了一种空气悬架高度控制系统和控制方法,其检测单元用于检测空气弹簧的当前压强和当前高度,记录当前压强数据并输出当前高度数据;控制单元将当前高度与第一预设高度相比较,若当前高度与第一预设高度的差值超出预设高度差范围,则输出高度调整指令;高度调整单元将得到的调整后高度与第二预设高度相比较;若调整后高度大于第二预设高度,则增加所述空气弹簧的高度并记录高度增加后所述空气弹簧的压强数据;若调整后高度小于第二预设高度,则降低所述空气弹簧的高度并记录高度降低后所述空气弹簧的压强数据。其能够实时监控悬架高度并及时调整,使得空气弹簧能够始终保持在大致恒定的高度范围内,从而保证车辆高度大致恒定。

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