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1. WO2022000444 - PEDAL FEEL ADJUSTMENT DEVICE AND CONTROL METHOD

Publication Number WO/2022/000444
Publication Date 06.01.2022
International Application No. PCT/CN2020/100041
International Filing Date 03.07.2020
IPC
B60T 13/14 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
12the fluid being liquid
138Pressure supply arrangements
14using accumulators or reservoirs
B60T 13/68 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
66Electrical control in fluid-pressure brake systems
68by electrically-controlled valves
CPC
B60T 13/686
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
66Electrical control in fluid-pressure brake systems
68by electrically-controlled valves
686in hydraulic systems or parts thereof
B60T 7/06
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
7Brake-action initiating means
02for personal initiation
04foot actuated
06Disposition of pedal
B60T 8/409
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32responsive to a speed condition, e.g. acceleration or deceleration
34having a fluid pressure regulator responsive to a speed condition
40comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
4072Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
4081Systems with stroke simulating devices for driver input
409characterised by details of the stroke simulating device
Applicants
  • 华为技术有限公司 HUAWEI TECHNOLOGIES CO., LTD. [CN]/[CN]
Inventors
  • 王兴 WANG, Xing
  • 应卓凡 YING, Zhuofan
  • 刘峰宇 LIU, Fengyu
Agents
  • 深圳市深佳知识产权代理事务所(普通合伙) SHENPAT INTELLECTUAL PROPERTY AGENCY
Priority Data
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) PEDAL FEEL ADJUSTMENT DEVICE AND CONTROL METHOD
(FR) DISPOSITIF DE RÉGLAGE DE SENSATION DE PÉDALE ET PROCÉDÉ DE COMMANDE
(ZH) 一种踏板感觉调节装置、控制方法
Abstract
(EN) A pedal feel adjustment device comprises: a pedal assembly, a main cylinder assembly, a first flow adjustment assembly (107), an electronic control unit (ECU) (109), and a liquid storage container (108). The main cylinder assembly comprises a main cylinder body. A first piston (103) is provided in the main cylinder body. The main cylinder body is divided into a first chamber (105) and a second chamber (104) by the first piston (103). The first chamber (105) and the second chamber (104) do not communicate with each other. The first piston (103) is connected to one end of a push rod (102) of the main cylinder assembly, and the other end of the push rod (102) passes through the second chamber (104) and is connected to the pedal assembly. A first liquid port of the first chamber (105) is connected to one end of the first flow adjustment assembly (107), and the other end of the first flow adjustment assembly (107) is connected to a liquid outlet of the liquid storage container (108). The ECU (109) is electrically connected to the first flow adjustment assembly (107), and controls the degree of opening of the first flow adjustment assembly (107). By means of the device, pedal feel is adjusted, thereby improving driving experience.
(FR) L'invention concerne un dispositif de réglage de sensation de pédale comprenant : un ensemble pédale, un ensemble cylindre principal, un premier ensemble de réglage de débit (107), une unité de commande électronique (ECU) (109) et un récipient de stockage de liquide (108). L'ensemble cylindre principal comprend un corps de cylindre principal. Un premier piston (103) est disposé dans le corps de cylindre principal. Le corps de cylindre principal est divisé en une première chambre (105) et une seconde chambre (104) par le premier piston (103). La première chambre (105) et la seconde chambre (104) ne communiquent pas l'une avec l'autre. Le premier piston (103) est relié à une extrémité d'une tige de poussée (102) de l'ensemble cylindre principal et l'autre extrémité de la tige de poussée (102) passe à travers la seconde chambre (104) et est reliée à l'ensemble pédale. Un premier orifice de liquide de la première chambre (105) est relié à une extrémité du premier ensemble de réglage de débit (107) et l'autre extrémité du premier ensemble de réglage de débit (107) est reliée à une sortie de liquide du récipient de stockage de liquide (108). L'ECU (109) est électriquement connectée au premier ensemble de réglage de débit (107) et commande le degré d'ouverture du premier ensemble de réglage de débit (107). Au moyen du dispositif, la sensation de la pédale est ajustée, ce qui permet d'améliorer l'expérience de conduite.
(ZH) 一种踏板感觉调节装置,包括:踏板组件,主缸组件,第一流量调节组件(107),电子控制单元ECU(109)以及储液壶(108)。主缸组件包括主缸缸体,主缸缸体内设置有第一活塞(103),第一活塞(103)将主缸缸体分隔为第一腔室(105)和第二腔室(104),第一腔室(105)和第二腔室(104)为两个不连通的腔室,第一活塞(103)与主缸组件的推杆(102)的一端连接,推杆(102)的另一端穿过第二腔室(104)与踏板组件连接,第一腔室(105)的第一通液口与第一流量调节组件(107)的一端连接,第一流量调节组件(107)的另一端与储液壶(108)的出液口连接,ECU(109)与第一流量调节组件(107)电连接,控制第一流量调节组件(107)的开度。通过该装置,可以实现踏板感觉的调节,提升驾驶体验。
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