The weakly mixed (or called mildly mixed) technology (Mild Hybrid) mainly includes Start – Stop, BSG (Belt-driven Starter/Generator) and ISG (Intergrated Starter/). Generator integrated start/generate integrated motor technology, its system structure is shown in the figure.
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The Start-Stop micro-mixing technology does not change the front wheel train of the traditional car. It only changes the starter of the original vehicle, increases the number of start-stops of the starter and increases its power, ensuring that the vehicle can be started quickly and in an ideal use. The life of the situation.
The BSG hybrid system uses a belt transmission mechanism at the front end of the engine to connect the integrated starter/generator to the engine, replacing the original generator of the engine, thus realizing the integration of the hybrid system. The hybrid system generally retains the starter motor on a conventional car to ensure that the engine can start normally when the ambient temperature is too low. In practical applications, it is also conceivable to have a set of planetary gears built into the belt drive to support the cold start of the engine. The BSG hybrid system can achieve idle stop (engine), rapid dragging of the engine to idle speed when the vehicle starts, and braking energy recovery. Since there is no coupling device, it is not possible to provide auxiliary power for vehicle acceleration.
The ISG Hybrid System connects the integrated start/generator with the engine's rotor to the engine's crankshaft output while eliminating the original flywheel. Depending on the actual situation, the ISG hybrid system can be equipped with 1-2 clutches between the engine and the transmission. This type of connection is more flexible than the BSG hybrid system, and its function is also increased based on the BSG hybrid system.
According to its specific structure and arrangement, ISG can be divided into three types. The motor is arranged in the single clutch structure in front of the rear clutch of the engine. The motor in this structure mainly plays the role of assisting, generating and starting the engine. Driving the vehicle to run; the motor is arranged in a single clutch structure in front of the rear gearbox of the clutch. In this configuration, the motor can drive the vehicle alone, but also can help power generation, but can not start the engine; the motor is arranged between the engine and the gearbox. The clutch structure (shown above) can be used to drive the vehicle alone or to start the engine or independently power the battery.
The triode, the full name should be a semiconductor triode, also known as a bipolar transistor, a crystal triode, is a semiconductor device that controls current. Its function is to amplify the weak signal into an electrical signal with a large amplitude value, and also as a non-contact switch.
Transistor is one of the basic components of semiconductors, with current amplification, is the core component of electronic circuits. The triode is made up of two closely spaced PN junctions on a semiconductor substrate. The two PN junctions divide the monolithic semiconductor into three parts, the middle part is the base area, and the two sides are the emitter area and the collector area, and the arrangement is PNP. And NPN two.
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