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汽车油箱出现气体声音的原因是什么?

来源:http://www.jnrunao.com/ 日期:2020-09-07 发布人:runao
不知道各位车友们有没有留意过,有时候给爱车加油,在开启油箱盖的那一瞬间,会有气体外窜的声音,如开酒瓶一样。要是偶尔有那么一两次也就不用担心,但是如果每次开油箱盖都有这样的气体声音,那各位车主就得多注意了。
I don't know if you have paid attention to it. Sometimes when you refuel your car, when you open the fuel tank cap, there will be a sound of gas escaping out, just like opening a wine bottle. If it happens once or twice, you don't have to worry about it. But if there is such a sound every time you open the fuel tank cap, you should pay more attention to it.
汽车油箱盖打开有气是怎么回事
What's the matter with the gas tank cap open
首先分析一下为什么会有声音,其实主要是由于油箱里面和外面的压力不同引起的。通常,汽车油箱中的碳罐都有通气平衡内外气压的作用。当碳罐出现问题之后,油箱盖若没有泄压的作用,则会导致压力不平衡的情况。
First of all, analyze why there is noise. In fact, it is mainly caused by the different pressure inside and outside the fuel tank. Usually, the carbon tank in the car tank has the function of ventilation to balance the internal and external air pressure. If the fuel tank cap has no pressure relief effect after the carbon tank has problems, it will lead to pressure imbalance.
其次,出气声通常会在夏天出现,因为夏季的温度比较高,汽油受热后会发生膨胀,因车辆空间是固定的,密封在内的油气会出现压力,里面的压力要大过外面的气压,所以在开启油箱时就会有声音的出现。其实,这时出现的声音,问题并不大。
Secondly, in summer, when the fuel tank is opened, there will be a sound of high air pressure inside the fuel tank, because there will be a high pressure when the fuel tank is opened in summer. As a matter of fact, the problem is not big.

要是开启时所出现的是吸气声,则表明油箱内的压力要小于外面的压力。出现这种情况很有可能是碳罐或电磁阀有故障了。当油箱内的压力要小于外面的压力,可能会出现两种隐患:
If there is a suction sound when opening, it indicates that the pressure in the tank is less than that outside. In this case, it is likely that there is something wrong with the carbon canister or the solenoid valve. When the pressure in the oil tank is less than the pressure outside, there may be two hidden dangers:
一、当油箱内的压力要小于外面的压力,可能会引起油箱变形,要是严重变形的,可能会连油都加不进去。
1、 When the pressure in the oil tank is less than the pressure outside, it may cause deformation of the tank. If it is seriously deformed, it may not even add oil.
二、当油箱内的压力要小于外面的压力,和外面不通气,那油泵就会一直往外抽,久而久之都可能会导致油泵损坏了。
2、 When the pressure in the oil tank is less than the outside pressure, and the outside is not ventilated, the oil pump will always be pumped out, which may cause damage to the oil pump over time.
那如何判断这种气体呢?要是你开启油箱盖时有这种的声音,应先开两天车后开启一下油箱盖;然后再开几天车后,等到这箱油用完之后,若每次都使用这种声音的话,那基本上就可以判断是负压。如果真是这样的话,那就应该去维修了。
How to judge the gas? If you make this noise when you open the fuel tank cap, you should first drive for two days and then open the fuel tank cap; then, after driving for a few days, when the oil tank is used up, if you use this sound every time, you can basically judge that it is negative pressure. If this is the case, it should be repaired.
此文关键词: 济南宝马专修  

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