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公开(公告)号：EP4410615A1
公开(公告)日：2024-08-07
申请号：EP21961979.8
申请日：2021-10-30
发明人： ZHANG, Xin , LU, Yuhao , ZHANG, Yongsheng
摘要： This application relates to a braking apparatus, a braking system, and a vehicle. The vehicle includes an intelligent vehicle, a hybrid electric vehicle, a new energy vehicle, and the like. The braking apparatus includes a hydraulic block, a master cylinder part, and a travel sensor. The hydraulic block is provided with a first groove and a second groove. The second groove extends in a first direction. The master cylinder part is located in the second groove and is in sliding contact with the second groove. The master cylinder part in the second groove is internally provided with a permanent magnet. The travel sensor is located in the first groove and is fixedly connected to the hydraulic block, and is configured to detect a movement amount of the permanent magnet. In this application, signal precision of the travel sensor is improved through a reasonable layout of the permanent magnet and the travel sensor.
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公开(公告)号：EP4269197A1
公开(公告)日：2023-11-01
申请号：EP21920260.3
申请日：2021-01-21
发明人： JIA, Guangxin , LU, Yuhao , ZHANG, Yongsheng
摘要： This application relates to a drive-by-wire technology in self-driving or driving assistance, and in particular, to an integrated brake apparatus of a vehicle and a vehicle. The integrated brake apparatus is configured to provide a hydraulic pressure for a wheel brake (231). The integrated brake apparatus includes: a first housing (N1) and a second housing (N2), where a first cylinder body (41) of a brake master cylinder (40) and the first housing (N1) are integrally formed; a motor (50) disposed on the first housing (N1); a pump (60) whose pump housing (61) is integrally formed with the first housing (N1); a valve apparatus (24) that is disposed in the second housing and is configured to control opening/closing of an oil passage between the brake master cylinder (40) and a wheel brake (231) and an oil passage between the pump (60) and the wheel brake (231); and an electronic control unit (30) configured to control the motor (50) and the valve apparatus (24). The first housing (N1), the second housing (N2), and the electronic control unit (30) are sequentially arranged in a vehicle width direction. When the foregoing structure is used, a manufacturing process of the integrated brake apparatus can be simplified, and the integrated brake apparatus is not affected by another mechanism when disposed on the vehicle.
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公开(公告)号：EP4375149A1
公开(公告)日：2024-05-29
申请号：EP21952205.9
申请日：2021-08-03
发明人： YANG, Weimiao , ZHANG, Yongsheng , LU, Yuhao , JIN, Biao , LV, Shangwei
摘要： Embodiments of this application provide a hydraulic apparatus, a brake system, and a control method. The brake system provided in embodiments of this application includes a master cylinder, a first booster, and a second booster. The brake system provided in embodiments of this application can implement rich braking functions by using the first booster or the second booster. In addition, the brake system provided in embodiments of this application has a multi-redundancy design. This can ensure that the brake system can still meet a plurality of braking function requirements of a vehicle when a controller or a key solenoid valve fails, improve safety of the brake system, ensure pedal feeling of a driver, and bring more stable and comfortable driving experience to the driver, which is suitable for brake systems of intelligent and electric vehicles.
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公开(公告)号：EP4206047A1
公开(公告)日：2023-07-05
申请号：EP20952769.6
申请日：2020-09-10
发明人： JIA, Guangxin , LU, Yuhao
IPC分类号： B60T8/40
摘要： A hydraulic brake apparatus, a hydraulic brake system, and a vehicle are provided. The hydraulic brake apparatus includes: a housing (1), where the interior of the housing is a cavity structure, and the cavity structure communicates with the outside; a first piston (3), disposed in the cavity structure inside the housing (1), where the first piston (3) and the housing (1) form a first cavity; a baffle plate (6), disposed in the first cavity and dividing the first cavity into a first sub-cavity (702) and a second sub-cavity (703); a second piston (2), disposed in the cavity structure inside the housing (1), where the second piston (2), the first piston (3), and the housing (1) form a second cavity (701); and a first elastic component (402), a second elastic component (403), and a third elastic component (401), disposed in the first sub-cavity (702), the second sub-cavity (703), and the second cavity (701) respectively. The housing (1) includes a first through hole (101) and a second through hole (102). The second piston (2) includes a third through hole (201). The first piston (3) includes a fourth through hole (302) and a fifth through hole (301). Having a small size and including a few parts, the hydraulic brake apparatus can be applied to intelligent vehicles, new energy vehicles, connected vehicles, or autonomous vehicles, thereby improving production efficiency of manufacturers and reducing costs.
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公开(公告)号：EP4378771A1
公开(公告)日：2024-06-05
申请号：EP21953102.7
申请日：2021-08-11
发明人： ZHANG, Xin , LU, Yuhao , ZHANG, Yongsheng
摘要： A hydraulic braking apparatus, a travel sensor, and a vehicle are provided. The hydraulic braking apparatus includes: a hydraulic valve block (100); a master cylinder housing (200), disposed on one side of the hydraulic valve block (100), where a master cylinder part (210) is disposed inside the master cylinder housing (200), and the master cylinder part (210) includes a piston (211), a push rod (212), and a magnet component (213); a control module (300), disposed on another side of the hydraulic valve block (100), where the control module (300) includes a control substrate (310) and a connector (320) electrically connected to the control substrate (310); and a travel sensor (400), fastened to the inside of the hydraulic valve block (100), and configured to detect movement of the magnet component (213) to determine a movement amount of the piston (211), where the travel sensor (400) is connected to the connector (320) through a through hole in the hydraulic valve block (100). According to the hydraulic braking apparatus, positioning precision of the travel sensor (400) in the hydraulic valve block (100) can be improved.
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公开(公告)号：EP4375150A1
公开(公告)日：2024-05-29
申请号：EP21952206.7
申请日：2021-08-03
发明人： WANG, Lei , YANG, Weimiao , ZHANG, Yongsheng , LU, Yuhao
摘要： Embodiments of this application provide a brake system and a control method. The brake system provided in embodiments of this application is applicable to an intelligent vehicle, a new energy vehicle, and the like. The brake control system includes: a master cylinder (1), a booster (2), at least one first control valve (11 and 12), at least one second control valve (21, 22, 23, and 24), at least one third control valve (31, 32, 33, and 34), at least one first interface (4), a first control unit (91), and a second control unit (92). The brake system provided in embodiments of this application has a plurality of redundancy designs, to ensure that the brake system can still meet a plurality of brake function requirements of a vehicle when a controller or a key solenoid valve fails, so as to improve security of the brake system, ensure a pedal feeling of a driver, and bring more stable and comfortable driving experience to the driver.
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公开(公告)号：EP4349672A1
公开(公告)日：2024-04-10
申请号：EP21947620.7
申请日：2021-06-30
发明人： YANG, Weimiao , LV, Shangwei , ZHANG, Yongsheng , LU, Yuhao
摘要： This application provides a brake-by-wire system and a control method. This application is applicable to an intelligent vehicle, a new energy vehicle, a conventional vehicle, or the like. The braking control system includes: a brake master cylinder (7), a first pressure booster (1), a second pressure booster (71), at least one second control valve (26, 27, 28, 29), at least one third control valve (31, 32, 33, 34), at least one fourth control valve (35), and a second pedal feel simulation system (121). When a master brake system fails, a redundant brake system can independently control each brake wheel cylinder, to implement function backup for a master brake system, meeting requirements for braking functions such as ABS/AEB/ESC/TCS of a vehicle. In addition, the redundant brake system can further improve safety of the brake system and ensure pedal experience of a driver, thereby bringing more stable and comfortable driving experience to the driver.
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公开(公告)号：EP4292892A1
公开(公告)日：2023-12-20
申请号：EP21933801.9
申请日：2021-03-31
发明人： JIA, Guangxin , LU, Yuhao , ZHANG, Yongsheng
IPC分类号： B60T13/00
摘要： This application provides a hydraulic braking apparatus and a vehicle. The hydraulic braking apparatus may be applied to a vehicle, such as an intelligent vehicle, a new energy vehicle, a connected vehicle, or an intelligent driving vehicle. The hydraulic braking apparatus includes: a first hydraulic block 10; a master cylinder assembly 110, disposed in the first hydraulic block 10, where the master cylinder assembly 110 includes a pushrod 111, a piston 112, a primary rubber cup 113 of the piston 112, and a secondary rubber cup 114 of the piston 112, and the piston 112 is connected to the pushrod 111; a permanent magnet 120, disposed inside the piston 112; and a stroke sensor 130, disposed between the primary rubber cup 113 and the secondary rubber cup 114 and configured to detect movement of the permanent magnet 120 to determine an amount of movement of the piston 112. According to the solutions of this application, a distance between the stroke sensor and the permanent magnet can be relatively short, to ensure signal accuracy of the stroke sensor.
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公开(公告)号：EP4147926A1
公开(公告)日：2023-03-15
申请号：EP20937840.5
申请日：2020-05-27
发明人： YANG, Weimiao , ZHANG, Yongsheng , LU, Yuhao , WANG, Guangyi
摘要： A hydraulic control unit includes a hydraulic control apparatus (10) with a bidirectional pressurization function. The hydraulic control apparatus (10) is provided with a second hydraulic chamber (17) and a first hydraulic chamber (16). The second hydraulic chamber (17) provides a braking force for a first group of wheel cylinders (28 and 29) through a first brake line (110) provided with a first control valve (111). The first hydraulic chamber (16) provides a braking force for a second group of wheel cylinders (26 and 27) through a second brake line (120) provided with a second control valve (121). A first end of the first control valve (111) is connected to a first end of the second control valve (121) through a fourth brake line (140), and the first hydraulic chamber (16) is connected to the fourth brake line (140) through the third brake line (130), so that the first hydraulic chamber (16) can separately pressurize the first group of wheel cylinders (28 and 29) through the first brake line (110). A braking system provided with the hydraulic control unit and a control method for the braking system are further included.
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