Commodity-specific import licensing data

Engine ignition advance angle (the principle and Commodity-specific import licensing dataadjustment method of engine ignition advance angle) The engine is the core component of the motor vehicle, and the ignition system of the engine is one of the key parts of the normal operation of the engine. The ignition system of the engine is the process of transferring the electric spark generated by the transformer of the high-voltage electric breakdown through the high-voltage winding into the fuel mixture gas to ignite the engine to make the engine work normally. And the engine pointThe fire advance angle is precisely to control the timing of ignition, so that the timing of ignition is to form a complete combustion in the combustion chamber when the engine piston moves upwards, so as to improve the power and efficiency of the engine, reduce fuel consumption and reduce emissions. The following article will briefly introduce the principle and adjustment method of the advance angle of engine ignition. I. The principle of engine ignition advance angle How is the ignition advance angle of the engine generated? The initial ignition is composed of ignition power supply, ignition switch, ignition device, capacitor and discharge coil. The capacitor can store electricity. When the ignition switch is pressed, the capacitor begins to store electricity. Then, the capacitor begins to release electrical energy, and through the transformer equipped with high-voltage windings, the discharge coil converts the electrical energy into high-voltage current. Finally, this high-voltage current will ignite the fuel mixture in the engine cylinder through the spark plug head.And in its specific generation and action, we call it the ignition advance angle. Its definition is that during the piston movement, the timing of ignition is ahead of the angle of the top dead center point. II. Adjustment method of the advance angle of engine ignition 1. Adjustment of the timing light. The adjustment of the timing light is through the principle of light reflection. The laser beam of the ignition signal is irradiated with the ignition signal laser beam, the ignition timing sign is found, and then the ignition timing adjustment value is adjusted, and the ignition timing is finally determined. This adjustment method can intuitively reflect the change of the advance angle of engine ignition according to the ignition signal output. 2. Adjust the ignition controller. Adjust the ignition controller is also a commonly used method. After disassembling the terminal in the ignition controller, the circuit is connected with a multimeter to measure whether the signal is normal or not. If it is normal, it can be adjusted by adjusting the screw in the controller.Generally speaking, it is easier to adjust and has high accuracy. 3. Computer adjustment of modern car engines is mostly controlled by computers. In this case, the advance angle of car engine ignition can be set by tuning when assembling the car, so that the whole computer system can control the advance angle of car engine ignition. The advantages are simple adjustment and high accuracy. The disadvantage is that it is relatively complex when additional tools are needed and problems are eliminated. Summary: The engine ignition advance angle is an important indicator of the engine ignition timing, and its size can affect the efficiency and stability of the engine. Reasonable adjustment of the ignition advance angle can reduce the emission of the car while satisfying the convenience of power. Therefore, the adjustment of the advance angle of engine ignition is an issue that every car lover must pay attention to. In the process of daily maintenance, it is necessary to pay attention to regular inspection.

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