![]() Ibooster cancels the design of the vacuum pump, and replaces it with various types of sensors and controllers, making the whole mechanism smaller and lighter, saving a lot of space and weight during vehicle installation. Independent brands such as Roewe, Weilai, etc. From the second-level worm gear to the first-level ball screw deceleration, the volume is greatly reduced, the control accuracy is improved, and the cost is also greatly reduced. At present, Bosch's second-generation technology is widely used in our country. In 2013, Bosch officially launched the ibooster based on the direct electro-hydraulic braking system. The advantage is that it is not affected by vacuum, but the disadvantage is that it is expensive. The disadvantage is that the electronic vacuum pump can provide a limited degree of vacuum, and the service life is also worrying, and it will also produce annoying noise during work.Ģ, using electric power assistance (similar to electric power steering EPS), which is ibooster or ebooster. ![]() The advantage of this is that a traditional vacuum booster can be used. There are currently two mainstream solutions for the braking system of new energy vehicles:ġ, adding an electronic vacuum pump to generate vacuum. Internal combustion engine vehicles can use the vacuum generated when the engine intakes (some of them are mechanical vacuum pumps or electronic auxiliary vacuum pumps), but for pure electric vehicles that have eliminated the internal combustion engine, This brake system is not so suitable. It should be emphasized that vacuum cannot come out of thin air. Although the ESP/ESC system was later intervened on the sidelines, it did not affect the structure of this traditional mechanical vacuum assisted braking system. Has the advantages of reliability (this is also the primary condition of the braking system) and simplicity. According to Pascal’s law (the pressure applied to the closed liquid, the pressure can be changed by the liquid Transmission in all directions), so as to drive the brake piston on the wheel to drive the calipers to start working. When you step on the brake pedal, the thrust of the connecting rod is amplified by the vacuum booster, and the brake fluid is pushed into the oil pipe. The picture above shows most of the traditional car brake system structures that we drive daily, which mainly include brake pedals, connecting rods, vacuum boosters, brake master cylinders, brake hoses, and brake pumps at each wheel position. How come it is smart and integrated in BYD?ĭon’t worry, we simply start with the traditional brake system to understand the reason. We have used this system in traditional cars for decades, and there is no change in the basic structure. When the pedal is stepped on, the brake pads rub against the brake disc, thereby reducing the wheel speed, and the car will naturally stop slowly. Is currently undergoing high-cold testing in Yakeshi, has brought us a new term that is not very familiar-"IPB Intelligent Integrated Braking System".
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