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　　190 发电机组作为一种常见的动力设备，在工业生产、应急供电等场景中发挥着重要作用。其稳定运行离不开各个配件的协同工作，这些配件各自承担着特定功能，共同保障机组的发电效率和安全性能。

　　As a common power equipment, the 190 generator set plays an important role in industrial production, emergency power supply and other scenarios. Its stable operation relies on the collaborative work of various components, which each undertake specific functions to jointly ensure the power generation efficiency and safety performance of the unit.

　　发动机系统是 190 发电机组的核心动力来源，包含多个关键配件。活塞通过在气缸内做往复运动，将燃料燃烧产生的热能转化为机械能，推动曲轴旋转。活塞环紧贴活塞外圆面，既能防止气缸内的高压气体泄漏，又能刮除气缸壁上多余的润滑油，避免机油进入燃烧室影响燃烧效率。曲轴则是动力传递的关键部件，将活塞的往复运动转化为旋转运动，再通过联轴器带动发电机运转。气缸盖密封气缸顶部，内部设有进排气道和燃烧室，为燃料燃烧提供封闭空间，同时起到散热作用，避免气缸因高温受损。

　　The engine system is the core power source of the 190 generator set and includes multiple key components. The piston converts the thermal energy generated by fuel combustion into mechanical energy by reciprocating within the cylinder, driving the crankshaft to rotate. The piston ring is tightly attached to the outer surface of the piston, which can prevent high-pressure gas leakage inside the cylinder and scrape off excess lubricating oil on the cylinder wall, avoiding oil from entering the combustion chamber and affecting combustion efficiency. The crankshaft is a key component for power transmission, which converts the reciprocating motion of the piston into rotational motion and drives the generator to operate through a coupling. The cylinder head seals the top of the cylinder, and there are intake and exhaust ports and combustion chambers inside, providing a closed space for fuel combustion and also playing a role in heat dissipation to avoid damage to the cylinder due to high temperature.

　　燃油供给系统的配件对机组的燃油效率至关重要。燃油泵负责将油箱内的燃油加压后输送至喷油器，确保燃油在高压下雾化。喷油器则将高压燃油以雾状形式喷入燃烧室，与空气充分混合，提高燃烧效率，减少燃油浪费。燃油滤清器能过滤燃油中的杂质和水分，防止杂质进入喷油器和发动机内部，避免部件磨损，延长使用寿命。油箱作为燃油储存装置，需具备良好的密封性，防止燃油泄漏，同时其容量需满足机组连续运行的需求。

　　The accessories of the fuel supply system are crucial to the fuel efficiency of the unit. The fuel pump is responsible for pressurizing the fuel in the fuel tank and delivering it to the injector, ensuring that the fuel is atomized under high pressure. The fuel injector sprays high-pressure fuel into the combustion chamber in a mist form, thoroughly mixing with air to improve combustion efficiency and reduce fuel waste. The fuel filter can filter impurities and moisture in the fuel, prevent impurities from entering the fuel injector and engine interior, avoid component wear, and extend the service life. As a fuel storage device, the fuel tank needs to have good sealing to prevent fuel leakage, and its capacity needs to meet the continuous operation requirements of the unit.

　　润滑系统的配件主要用于减少发动机部件的磨损。机油泵将机油从油底壳抽出，加压后输送到发动机各摩擦表面，如曲轴轴颈、活塞销等，形成油膜，降低摩擦阻力。机油滤清器过滤机油中的金属碎屑和油污，保持机油清洁，确保润滑效果。油底壳用于储存机油，同时起到散热作用，防止机油因高温变质。

　　The accessories of the lubrication system are mainly used to reduce the wear of engine components. The oil pump extracts oil from the oil pan, pressurizes it, and delivers it to various friction surfaces of the engine, such as the crankshaft journal, piston pins, etc., forming an oil film and reducing frictional resistance. The oil filter filters metal debris and oil stains from the engine oil, keeping it clean and ensuring lubrication effectiveness. The oil pan is used to store engine oil and also plays a role in heat dissipation, preventing engine oil from deteriorating due to high temperatures.

　　电气系统配件是发电机组实现发电功能的关键。发电机由发动机带动旋转，通过电磁感应将机械能转化为电能，输出稳定的电力。电压调节器能自动调节发电机的输出电压，确保电压稳定在额定范围内，避免因电压波动损坏用电设备。蓄电池为发电机组的启动提供电力，通过启动电机带动发动机运转，同时为机组的控制电路供电。启动电机将蓄电池的电能转化为机械能，驱动发动机曲轴旋转，使发动机启动。

　　Electrical system accessories are the key to achieving the power generation function of a generator set. The generator is driven to rotate by the engine and converts mechanical energy into electrical energy through electromagnetic induction, outputting stable electricity. The voltage regulator can automatically adjust the output voltage of the generator, ensuring that the voltage is stable within the rated range and avoiding damage to electrical equipment due to voltage fluctuations. The battery provides power for the start-up of the generator set, drives the engine through the starter motor, and supplies power to the control circuit of the unit. The starter motor converts the electrical energy of the battery into mechanical energy, drives the crankshaft of the engine to rotate, and starts the engine.

　　这些配件相互配合，共同保障 190 发电机组的稳定运行。任何一个配件出现故障，都可能影响机组的性能，甚至导致停机。因此，定期对各配件进行检查和维护，及时更换磨损或损坏的部件，是确保发电机组长期高效工作的重要措施。

　　These accessories work together to ensure the stable operation of the 190 generator set. Any malfunction of any component may affect the performance of the unit and even lead to shutdown. Therefore, regular inspection and maintenance of all components, timely replacement of worn or damaged parts, are important measures to ensure the long-term efficient operation of the generator set.

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