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Today I still talk about a question about air conditioning, which is very simple but there are many novices who do not understand. One is about internal and external circulation and fuel consumption, and the other is about air conditioning water. Not to mention that everyone knows about air conditioning water, there are often car owners who consult or drive directly to the maintenance plant for inspection.
What's going on with the water dripping under my car's engine, it can't be a water leak, right? The use of internal and external circulation has been said before, there are still a lot of car owners who do not understand, today we only talk about the cycle mode will affect fuel consumption? and the problem of water for air conditioning.
The internal and external circulation of the air conditioner does affect fuel consumption, and if the temperature is high in summer, it can also affect the cooling effect. Especially at noon, it will feel hot when the external circulation is opened, and the temperature in the car cannot be lowered, so it needs to be adjusted to a very low temperature and increase the air volume. The reason why the car can blow cold air when the air conditioner is turned on is this, the blower is equivalent to a fan rotating, and after rotation, the wind will blow to the cabin through the air duct.
There is an evaporation box in the air duct to block it, and all the wind must pass through the evaporation box before it can be blown out. When the wind passes through the evaporation box, due to the effect of heat transfer, the wind will also become very cool, and it is a cool breeze when it is blown out.
If the wind itself is very hot, this heat will be transferred to the evaporation tank, so that the temperature of the evaporation tank will rise, and the compressor will have to increase the load or extend the working time to keep the evaporation tank cold. When the external circulation state is hit, the wind enters the carriage from the outside, and the air temperature outside is very high, and the heat transferred to the evaporation tank will be a lot, resulting in the prolongation of the compressor working time. Therefore, the use of external circulation will increase fuel consumption, but the increase will not be too obvious, and we may not be able to see it in our rough calculation, so the air conditioner is turned on, so there is no need to worry about the internal circulation or the external circulation.
Generally, there is a difference of one or two oils between turning on the air conditioner and not turning on the air conditioner for 100 kilometers, and the impact of the use of internal and external circulation is negligible. Therefore, in addition to the noon when the sun is big, and when the outside air pollution is serious, it is recommended to use the external circulation more at other times to keep the air in the car fresh.
It is normal to drip water after turning on the air conditioner, because the temperature of the evaporation tank is very low, the surrounding water vapor will condense into small water droplets when cold, and the more it accumulates, it will flow out of the car. The drain hole in most cars is in front of the co-pilot, because the evaporation tank is located in this position. Look at the location of the water dripping on the ground, just behind the right side of the engine, it looks like the engine is leaking, but it is actually air conditioning water.
If the air conditioner does not drip water, it is abnormal, which means that the drainage hole is blocked. Every summer, there will be a car with a blocked drainage hole, and the water will not be discharged after the blockage, so it will accumulate in the shell of the evaporation tank, and after more, it will flow out of the gap and flow to the co-pilot floor, wetting the carpet. So if you see water under the co-pilot's feet, first consider that the air conditioner drain hole is blocked.
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Normal, open the air conditioning system needs to cool and dissipate heat, blow out cold air after cooling and heat absorption through the evaporation box, and the water flows out after heat exchange, and is discharged out of the car through the evaporation box drain pipe, so it is a normal phenomenon, I hope you!
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It's going to drip. When the circulating air passes through the condenser, the moisture in the air will condense (condense into water) on the condenser, and the condensate will be sent out of the car along the pipe.
This is the reason why water drips from under the car when the air conditioner is turned on.
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Vehicles, bicycles, motor vehicles, vans, bicycles, motorcycles, electric vehicles, rickshaws, and car opening spaces will leak normally.
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If dripping outside the car is normal, if dripping inside the car is not normal!
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It's an air conditioner, and it will leak.
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Regarding the landlord's concern about "can the car still be driven if it leaks", the following is my personal opinion:
Can you still drive a car if it leaksIf the car has a leaking water tank, it is not allowed to continue to drive:
1. Because the water in the water tank is missing or too little, the engine can not get water or antifreeze to cool down, and the engine will pull the cylinder or hold the tile because the temperature is too high, which is quite dangerous and will cause the engine to fail to start;
2. The leakage of the water tank will cause the engine temperature to be too high due to insufficient coolant, which will make the viscosity of the oil insufficient, so that the oil film cannot be formed between the friction surfaces, resulting in increased wear;
3. It will also lead to excessive pressure in the engine cylinder barrel and rough work, and Lu Yin imitates various matching parts, especially aluminum matching parts, which will be deformed due to early fiber heat.
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