With the development of gasoline engines in automobiles towards high speed, high compression ratio, high power, low fuel consumption, and low emissions, traditional ignition devices are no longer suitable for use. The core components of ignition devices are ignition coils and switch devices. By increasing the energy of the ignition coils, the spark plug can generate sufficient energy to produce sparks, This is the basic condition for the ignition device to adapt to the operation of modern engines. The ignition coil is divided into two types according to the magnetic circuit: open magnetic and closed magnetic. The traditional ignition coil is used with an open magnetic type, and its iron core is stacked with about 0.3 millimeters of silicon steel, with secondary and primary coils wound around the iron core. The closed magnetic type uses an iron core similar to III to wrap around the primary coil, and then wraps around the secondary coil outside. The magnetic field line is composed of an iron core to form a closed magnetic circuit. The advantage of the closed magnetic ignition coil is that it has less magnetic leakage, Due to its small energy loss and volume, electronic ignition systems generally use closed field ignition coils)
The Tiggo 5 is a sporty SUV full of vitality. Originating from Italy, the exterior design embodies quality and a sense of technology, and is endowed with distinct male characteristics in design. Its body reaches the C-NCAP five-star safety level, achieving the best four-star level of domestic SUVs in Europe. The body torsional stiffness is 23k, and the lightweight coefficient reaches the leading 4.69 in China. The one-time manufacturing compliance rate of the body is 99.7%, surpassing that of joint venture brands. Chery named it the Tiggo 5 On November 28, 2013, it was officially launched in Shanghai and launched the Chery Grateful Season Celebration. It was endorsed by Li Yapeng. The new car is equipped with a 2.0L DVVT engine and offers a 5MT or CVT transmission for pairing, with a price range of 93900 to 150900 yuan. It is a masterpiece of Chery's return to the brand
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