Oil control and cleaning of generator set fuel injector nozzle 'Q&A'

Fuel injectors are important components of A device that atomizes the oil to adapt it to combustion requirements. This is the effect of the fuel injector, but the control of fuel injection volume and blockage cleaning are the problems that many customers are concerned about, so Jiangsu Haixing Power will answer them one by one.generator sets .

Customers in Taizhou, Jiangsu: How to control the amount of fuel injection?
Answer: The amount of fuel injection depends on the length of the injection time. The injector is divided into voltage-driven and current-driven according to the control method of the electromagnetic coil. The voltage-driven type is also divided into low-resistance and high-resistance. The high-resistance can be connected to 12V, while the low-resistance can only be connected to low voltage. If the misconnection is connected to 12V for a while, the coil will burn. When the fuel is injected, the voltage provided by the computer is constant. For example, 12V, which will immediately change to 0V when the oil is cut off. This change is instantaneous, just like the concept of 0 and 1 in the computer language, and there is no 0.5 in the middle. In other words, this is a pulsating DC signal. It is not a term like alternating current, etc., what is the concept of alternating current? Positive and negative interleaving is called alternating current. It seems that except for the previous part of the generator rectifier in a car, there is basically no contact with alternating current.
For the same type of electric injection vehicle, the pressure of the gasoline pump is constant. Regardless of the opening of the throttle valve, the pressure of the fuel injector is always constant as long as it is adjusted by the fuel pressure regulator. The fuel injector is strictly used with the fuel pump and the fuel pressure regulator. Only the designed pressure can the atomization effect be achieved by the fuel injector. The pressure is lower than the design pressure, and the oil emitted is not atomized, columnar, and should not be mixed with air. The pressure is too large, and the oil emitted is in a conical shape and is not easy to mix. Moreover, the injection force is too large, and a lot of fuel is directly sprayed on the pipe wall, which directly affects the mixing ratio parameters. Whether it is acceleration or idling, the pressure should be constant. The pressures of different models are also different.

Nanjing Customer, Jiangsu: When the fuel injector is blocked, the fuel injection is not smooth, or there is carbon and glue accumulation in the gap between the fuel injectors, how should it be cleaned?
Answer: Jiangsu Haixing Power technician reminds everyone not to exaggerate the cleaning of fuel injectors, and not to feel uncomfortable if they don’t clean them for a long time. In fact, what really needs to be cleaned is minimal.
One is that the fuel is filtered through the dense mesh of the gasoline pump, and then filtered by the fuel filter. The gasoline flowing through the fuel injector is not the same order of magnitude as the gap between the fuel injector. Don't worry, it cannot be blocked.
Another thing is that the glue contained in gasoline is sprayed out at high speed by gasoline when it passes through the gap, and it is difficult to store it. The so-called water droplets pass through the stone. What's more, the needle valve and contact surface are hit countless times a day. How about glue here?
Another thing is that most models use the outside-cylinder jet method, and the temperature here is not high, which is several times better than the working environment of the spark plug. To be honest, it is difficult to find a little fault.
The position that really affects the atomization should be the outer surface of the injector nozzle. A poorly burned car is easy to cause backlash and pollute this position. This is also divided into two parts. A good burned car will not recoil. Even if it is cleaned, it will be contaminated after running a few kilometers. It is useless to wash it. Treat the disease first. For example, a good burned car will be clean no matter whenever it is opened; a bad burned car will change to a new spark plug, and you will take it down 5 minutes later. It is still black and it is all carbon deposits.
In fact, the so-called cleaning agents contain things like silty or benzene aromatic hydrocarbons. They can melt some carbon deposits while adding them to the engine to burn. The cheap cleaning agent is a carburetor cleaning agent, which can also be added to burn. It costs 4 yuan per bottle. Of course, there are better brands, but the price is never as expensive as the hype. In fact, normal combustion of the engine is also a process of continuous production of carbon deposits and continuous ablation of carbon deposits. It is a relatively conservative process. There is no carbon deposit. Some friends always feel good when they see the black water flowing out from behind the exhaust pipe when cleaning carbon deposits. In fact, 90% of the black water is not the carbon deposits inside What's more, after washing and drying, burning gasoline will continue to produce corresponding carbon deposits until the equilibrium state. Not much significance. Don't wash it unless you have to. In fact, the combustion temperature in the benzene aromatic hydrocarbon cylinder is much higher than that of gasoline. It is not good for the car to wash a sauna if you have nothing to do. the generator set .
The focus of maintenance of electric injection trucks is also on the throttle valve. There is a lot of putty. Buy a slightly better bottle of carburetor cleaning agent, take off the air filter, pull up the fire and change the size of the throttle, and spray it into the pipe. This not only cleans the throttle, but also cleans the sensor hotline of the air flowmeter. Do not disassemble and clean the throttle valve. This place is like a carburetor. Close and open the door is a process of continuous wear. Even if it is worn, the two worn sides will still be closely coordinated. If it is not installed well after disassembly, it will change its position, and it will not be closed tightly.