How to solve the fogging inside the car window on a rainy day

It is normal to encounter fog in the car on a rainy day. It is also something that every driver can encounter when we drive, and the new drivers must not be nervous at this time. Then the fastest and fastest way is to turn on the cold air of the air conditioner.

Because we all know that if we turn on the refrigeration function of the air conditioner, plus the external circulation, it should take less than a minute for the fog on the glass to be blown clean. Therefore, new drivers must pay attention to this kind of problem. I believe that many old drivers will definitely refute, if it is in autumn or winter when it is very cold, then what should be done?

If we fog up while driving in the winter, we will definitely be scolded to death by the people in the car if we turn on the air conditioner. And if you turn the air conditioner on and off all the time, it will be a waste of oil.

And then a small way is that we can use the hot air of the air conditioner or heat. If you want the car to be completely free of fog, you should choose the heating of the air conditioner to blow the windshield. Because this defogging effect will be better.

We all know that the principle is to use warm air to dry the water molecules in front of the windshield. But we must be aware when doing this, such a problem is that small water droplets will form on the glass. The recommended method is that it takes a long time, and it is the best and most effective in rainy and snowy days, so novice drivers can try this method.

Another more economical way is to open the windows and sunroof, so that the air in the car and the outside air have a convection effect, which can reduce the temperature in the car. But this method is also the fastest way to remove fogging, first, it is more economical, no need to turn on the air conditioner to remove fog, but this method is not used for winter, because the effect is not obvious, the key is that it is particularly cold. Another small way is to buy some defogging agent on a certain treasure, which is also very effective.

**Generally between 10 yuan and 200 yuan, because of different brands, so there will be different**Oh, this is still according to your own situation to choose. There is another option that is more unpopular, we can prepare some anti-fog towels, and wipe them manually when there is fog, but this is the most inconvenient and unsafe one when we drive in the middle of the road.

There are two conditions for fogging, one is that the humidity is too high and the other is that the temperature is too low, both of which are indispensable

Reason 1: In the case of a certain air humidity, when the window temperature is lower than the dew point temperature, condensation will form on the surface of the window, which is the phenomenon of fogging up the front windshield that we often see.

Reason 2: When there is a certain temperature difference on both sides of the window, and the saturated vapor pressure of the surface moisture at low temperature is lower than the vapor pressure of the surrounding environment, the water vapor will gather on the surface of the glass and infiltrate out in the form of tiny water droplets to form fog vapor.

It is mainly caused by the temperature difference of "cold outside and hot inside", and the temperature in the car is high in most cases, especially in the case of full people in winter, the fog is generated very quickly.

1. Open windows for convection.

If you find that the fog in the car is not large, you can open a gap in the windows on both sides, so that the air inside and outside the car will form a convection, the temperature difference will also decrease, and the fog will slowly disappear. The principle of this method is the same as turning on the air conditioner for cold air, but it does not increase fuel consumption. At the same time, it should be noted that the opening of the window should not be too small because of the rain, and the opening amplitude of the window should be adjusted according to the size of the rain to be effective.

2. Air conditioning defogging.

This method is the most labor-saving and fast, find the front window defogging switch, then adjust the wind speed to the maximum, turn on the A C switch, and then adjust the temperature to the lowest, and the fog on the glass will be gone after a while. In addition, the rear windshield and exterior mirrors of some models are equipped with electric heating, which can be used to eliminate fogging in about a minute after the switch is turned on.

3. Detergent anti-fogging.

This is a rainy day defogging method that many people will take, and the operation is simple. Car windows are sprayed with detergent defogging, the cost is very low, the operation is convenient, and the soap method and dish soap method are commonly used.

Soap method: moisten the soap with water to make it soft, and then evenly apply it to the entire glass surface (must be even), and when the soap on the glass is dry, remove it with a paper towel or newspaper. Be careful not to use a towel, as it is easy to leave fine crumbs with a towel.

However, this method has a small disadvantage of defogging in rainy days, that is, a small amount of soap will remain on the glass, but it will not affect the overall vision.

Fogging of car windows is most likely to occur in two situations, one is a rainy day, the other is winter, in winter, you will generally find that the window is fogged before driving, which is easier to deal with; But whether it's summer or other seasons, maybe when we are driving, a rain falls, and the windows will suddenly fog up, in this case, sometimes it can be difficult to deal with.

It's easy to understand why car windows are easy to fog up when it's cold in winter, but why are car windows easy to fog up on rainy days? Actually, there are two main reasons.

First of all, when it rains, the temperature difference between the outside of the car and the inside of the car is relatively large, even if it is a rainy day in summer, there will be a temperature difference between the inside and outside of the car, the temperature outside the car is low, and the temperature inside the car is high, then the temperature of the window glass will also be reduced at this time, and the moisture in the car will condense into water mist after encountering the cold window.

In addition, on rainy days, the humidity in the air is relatively large, and when the door is closed, the water on our feet is brought into the car, and the moisture in the car will also increase, so it is easier to form fog.

So how do we prevent fogging in the windows on such a rainy day? Suddenly there is fog, how should we deal with it quickly?

There are several ways to do it.

First of all, the first method is to equilibrium the temperature inside and outside the car, so that the windows do not fog up due to temperature differences. How do you achieve temperature equilibrium? There are two methods, one is to open the window, and the other is to open the external circulation, both for the same purpose, to form a convection flow of air outside and inside the car.

However, these two methods have drawbacks, for example, if you open the window, the rain outside the car will hit the car, if the window is installed with a sunny and rainy block, it can open a crack, but whether it is a car window or the two ways of using the external circulation to blow the window, although it can play the role of defogging, however, it takes a long time, at least ten minutes to remove the fog, so it is not suitable for the situation of sudden fogging during driving.

The second method, defogging is relatively fast, which is to reduce the temperature of the window while adding the function of dehumidification. It is to turn on the air conditioner of the car and use the wind to quickly blow the windows to defog. First of all, the car air conditioner blows cold air, which can quickly reduce the temperature in the car, and blowing the window can quickly reduce the temperature of the window, so that the temperature of the inner surface of the window can quickly reach the same temperature as the outside of the car, so that the fog can disappear quickly.

However, if the air conditioner is turned off at this time, after a while, the temperature in the car will rise again, and fog will be formed, so it is generally necessary to turn on the air conditioner for a while and use the air conditioning compressor to remove the moisture in the car, so that you can keep the car free of fog for a long time.

Therefore, if we are driving and suddenly the window fogs up, we do not hesitate to turn on the car air conditioner, turn on the defogging button, and let the cold air of the air conditioner blow vigorously on the window, basically within 3 seconds, the fog will be quickly removed. Then you can turn the air volume down, let the air conditioner turn on for a while, remove the moisture in the car, pay attention, at this time to open the internal circulation, do not use the external circulation, otherwise the moisture outside the car will be convected into the car, which is equivalent to no dehumidification.

The most effective way is to turn on the air conditioner, adjust the switch of cooling and hot air to the middle position, so that there is no need to manage the whole process, and there is no fog.

1.You can turn on the air conditioner to hot air before the car starts, and blow the front windshield directly for 3 minutes, which can fundamentally avoid fogging the glass;

2. Turn on the cold air of the car air conditioner and turn the air outlet to the windshield in front of the car, so that the glass fogging can be quickly removed;

3. Turn on the dehumidification mode of the air conditioner to achieve a relatively fast defogging effect;

4. The owner can turn on the defogging function of the air conditioner, and the fog will dissipate quickly.

The main reason for the fogging of car window glass is that the temperature difference between the inside and outside of the glass is too large, and the other is that there is too much moisture. In winter, the warm air conditioner is turned on. In addition, when the weather is wet on a rainy day, both factors are satisfied, and it is easy to fog up.

If you don't want the glass to fog up, it's best to keep the temperature inside and outside the car consistent.

How to solve the fogging of the car window on a rainy day? Glass fogging after rainy days can be dealt with by the following methods: 1. Air conditioning refrigeration defogging:

There are two main causes of fogging of car window glass: low temperature and high humidity in the air. Air conditioning can be used to remove fog from the front windshield, but if the air conditioning in the car is too humid, then the effect will not be too obvious, and the windows can be opened slightly to quickly reduce the humidity in the car.

2. Open the window for convection and defogging: open the window for convection of cold and hot air, the fog is not large, and the windows on both sides can be opened a gap, so that the air in the car is convection, and the temperature in the car is slowly close to the temperature outside the car, and the fog will disperse. The advantage is that it can achieve the effect of turning on the air conditioner without increasing fuel consumption, such as in the cold winter and rain, it is recommended to take intermittent opening and closing of the window.

This method is not suitable when fogging is severe. 3. Anti-fogging agent: The use of glass anti-fogging agent can form a transparent hydrophobic ion film on the surface of the glass to prevent the condensation of water droplets and fog.

4. Anti-fog towel: When fogging, wipe it with an anti-fog towel, it will no longer fog up, and the effect of anti-fog towel and defogging agent is exactly the same. 5. Detergent anti-fogging

Blend with detergent. The ratio of washing spirit to water is about 1:10, and then use absorbent cotton or a clean and soft cloth dipped in it to apply it to the inside of the front and rear windshields, or you can use shampoo, shower gel, etc. at home and water at 1:

The ratio of about 10 is good, pour it in the watering can, and spray it on the glass before driving to prevent the car glass from fogging. Window fogging can be solved in the following three ways: 1. Automobile defogging; 2. Soap method; 3. Use the car defogging button.

When it is found that there is fog on the windshield, the fastest and fastest way is to adjust the air conditioning outlet to the front windshield, turn on the function of air conditioning and refrigeration, plus the external circulation, with the maximum air volume only takes about ten seconds, you can quickly "blow" the fog on the glass.

Fogging outside the window before a rainy day is due to the temperature difference between the inside and outside of the car, and the temperature inside the cab is higher than the outside, causing the moisture in the cab to condense on the inner windshield to form fog, which is more common in winter.

When you find that there is fog on the windshield, the fastest and fastest way is to adjust the air conditioning outlet to the front windshield first, turn on the function of air conditioning refrigeration, plus the liquid leakage external circulation, with the maximum air volume only takes about ten seconds, you can quickly "blow" the fog on the glass.

It is also relatively simple to use external circulation to remove fog, which is more economical than using air conditioner to remove fog, but the effect is not very fast, so you have to wait for a while. The external environment is poor, such as when there is a lot of dust, it should not be used. To open the external circulation defogging, the correct position of the air outlet should be able to blow the front windshield and blow the feet at the same time, or only blow the front windshield position.

In the case that the window cannot be opened on a rainy day, the use of external circulation is one of the ways to defog the window.

Precautions for driving on rainy days:

1. Of course, turn on the windshield wipers when driving on rainy days. This depends on the amount of rain to adjust the speed of the wipers. Some cars have an automatic adjustment function.

2. If the weather is overcast and the clouds are thick. At this time, if the vision is not good, turn on the running lights. This is generally known to old drivers, so that they can guess the collapse and increase the safety of driving.

3. Slow down when driving in rainy days, because if the rain is heavy, there will be a hydroplaning phenomenon. Although this situation is not common, it is also necessary to pay attention to the heavy precipitation in the period, and when the car turns, do not drive slowly, and pay attention to slow down in advance.

How to solve the fog outside the car window on a rainy day Refer to the following three methods to remove the fog on the car window: 1. Use an anti-fogging agent, spray a little defogging agent on the car glass window, and then wipe it clean, while polishing the glass, form a thin layer of transparent protective film on the glass, which can effectively prevent the fog layer formed by the condensation of water vapor on the glass; 2. Using air convection, the temperature difference between the inside and outside of the car becomes larger due to seasonal reasons, and the warm and humid air in the car encounters the cold front windshield, and then it is easy to produce fog when it is heat released and liquefied. Therefore, you can also open a small slit in the car glass to let the air inside and outside the car convection, balance the temperature difference between the inside and outside of the car, and also play a role in anti-fogging; 3. Use the warm air of the air conditioner, turn on the warm air conditioner, and use the warm air to blow hot air on the glass, quickly increase the temperature of the front glass, and eliminate the conditions for the warm and humid air in the car to release heat and liquefy on the window glass, so as to achieve the purpose of preventing fogging.

After rain, glass fogging treatment methods include free mixed cooling and defogging, window convection defogging, anti-fogging agent, anti-fog towel, and detergent anti-fogging. Details are as follows:

Air conditioning cooling and defogging:

There are two main causes of window fogging: low temperatures and upper-air humidity. Air conditioning can be used to remove fog from the front windshield, but if the humidity in the empty car is too high, the effect is not obvious, and the windows can be opened slightly to quickly reduce the humidity in the car.

Open windows for convection defogging:

Open windows with convection of hot and cold air. If the fog is not too high, you can open a gap between the windows on both sides. In this way, the air inside the car will be convection, and the temperature inside the car will slowly approach the temperature outside the car, and the fog will disperse.

Anti-fogging agent: Glass anti-fogging agent can form a transparent hydrophobic ionic membrane on the surface of the glass to prevent water droplets from fogging.

Anti-fog towel: When fogging, wipe with an anti-fog towel, and it won't fog up. Anti-fog towels work exactly as well as defoggers.

Anti-fog in the form of a detergent:

Mix with detergent. The ratio of detergent to water is about 1:10, then apply to the inside of the front and rear windshields with absorbent cotton or a clean, soft cloth.

You can also mix household items such as shampoo and body soap with water in a ratio of about 1:10, pour them into a watering can, and spray them on the glass before driving to prevent the car glass from fogging.

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