Automobile air conditioning can not only adjust the temperature inside the car, but also adjust the fuel consumption and save money.

How to drive the car for the first time? Cool and fuel efficient.

How to turn on the air conditioner when you just got on the bus, which is fuel-efficient and cool? It is not so easy to find a parking place now, and it is inevitable to meet the sun. When you got on the bus, it was very hot inside.

Anhui Jianghuai Automobile Group Co., Ltd., Duan et al. published a paper "Study on the Influence of Interior and Exterior Decoration Color on Interior Temperature after Exposure" in the magazine of Automotive Practical Technology, so to speak.

A test was conducted in the hot and sunny environment of Hefei in summer. Results The highest temperature above the steering wheel reached 80℃, and the air temperature inside the car reached about 60-70℃.

According to this paper, 60℃ is already a very hot feeling, and 70℃ can't be grasped firmly, so you can only touch it simply.

At this time, if you want to be cool when you get on the bus, it is useless to just turn on A/C (refrigeration).

Just like a pot of hot water, turning on A/C is equivalent to adding some cold water into it and gradually turning it into warm water.

This is inefficient and wasteful. The quickest way is to pour out all the hot water and then add a little cold water, right?

Switch to the car, that is, open the doors and windows, circulate outside, and turn the air volume to the maximum. First of all, say goodbye to the hot air in the car and get rid of it.

Can't you turn on the refrigeration at this time? Never mind, don't open it. The first task now is to empty this pot of hot water, no matter where the cold water comes from or how much ice there is. Isn't this money saved?

When the temperature inside the car is not much different from that outside, close the window and turn on the internal circulation and A/C (refrigeration), which not only saves fuel, but also cools down faster than before.

How to drive while driving is more fuel efficient.

How to adjust the manual air conditioner

After getting on the road, the method of turning on the air conditioner is actually exquisite. First of all, the circulation mode does have an impact on fuel consumption.

Li Yizhen of Jilin University's master thesis "Load Determination and Application Analysis of Internal and External Circulation Mode of Automobile Air Conditioning" said above.

The influencing factors of refrigeration load are tested, and it is found that the circulation mode has the greatest influence.

Under standard working conditions, when the internal circulation is changed to the external circulation, the refrigeration load increases by 19 1.8%, almost doubling.

It's a bit like people who used to do math problems and put water in the swimming pool at the same time. Actually wasted a lot of water.

Changing to the car is a lot of air conditioners, which are actually wasted, and this air conditioner is made of oil through various transformations.

Where does the oil come from? Oil comes from money, right? So if you want to save fuel, it will be better to open the internal circulation.

As long as you pay attention every once in a while, you can open an external circulation for ventilation. Otherwise, the car is too stuffy and easy to make people uncomfortable. The principle is oxygen content, which has a certain relationship with safety.

However, I just bought a new car, and I can't eat the interior if it smells. Then it is not recommended to store the oil, but it is better to circulate it outside.

There is also a certain emphasis on how to open the outer loop. Let's listen, just don't turn on too much air.

Zhang Yanli of Shanghai Jiaotong University has a master's thesis "Performance Optimization of Automobile Air Conditioning System", which has been studied above.

Under the condition of external circulation, the velocity of wind changes from 352m? /h increased to 423m? /h, the air outlet temperature increased from 65438 04.3℃ to 65438 06℃.

This is actually easy to understand, that is, the air conditioner is not too cold when the air volume is turned on, and it has been diluted, right? The mobility of the air also becomes stronger, and more cold air will escape. You see, it's like a leaking rubber hose.

The bigger the water is, the more water will leak out of the crack, right? The one actually connected to this nozzle is not so ideal.

Moreover, after the external circulation is started, the air conditioning air comes from the outside air. The hot air that day is hot air, which is cooled by this compressor and then blown in.

When the air volume is large, if the compressor power is not enough, the temperature of the air outlet will naturally be high, but the cooling is slow, the effect is average, and the oil is more expensive.

So when the car is already on the road, it is definitely the most fuel-efficient to open the internal circulation.

If it is necessary to circulate outside the interval in the middle, properly reducing the air volume can also save fuel and money.

How to adjust the automatic air conditioner

If the car is more advanced and has air conditioning, it doesn't matter if it is pressed. Setting this target temperature can still save fuel.

Turn on the automatic air conditioner, choose the temperature, and the car will come by itself. No matter how big the blower is and how the compressor comes, it will be adjusted and fixed. Then adjust the car to the appropriate target temperature.

Moreover, most of these automatic air conditioners in the car now use variable-discharge compressors, which will reduce the power of the compressor after reaching the set temperature in this car.

It is understandable to maintain the temperature in these cars with lower fuel consumption. I have it at home, but it is installed in the car. What is this? Frequency conversion air conditioner?

When the room is cool, the air conditioner will not be completely turned off, and some seem to have blown down; Some seem that the wind is not as cold as before, and different models and manufacturers are different. Everyone will care about this thing anyway, right?

This kind of air conditioner is installed in the car. If you want to save fuel, try to keep the temperature as high as possible under the premise of our comfort, and the fuel consumption can be saved.

For example, "Oh, it hurts me" and "Shua" go to 18℃, but it's really hard.

In fact, it is possible that both 22℃ and 25℃ are quite comfortable, or feel the same as 18℃, but the fuel consumption is different.

You might as well adjust to 22℃ or 25℃ first. If you feel cool and comfortable, stop here. Adjust it to 18℃, except that there is more oil, which is not much better.

Manual air conditioning is different from automatic air conditioning.

So, to sum up, before getting on the bus in summer, you should blow up the wind and open the window to let the sultry air out. At this time, the air conditioning button doesn't matter. Save money if you don't press it.

If it is a manual air conditioner, adjust the circulation mode and air volume. If the outdoor circulation reduces the air volume, it can also be saved.

If there is an automatic air conditioner, don't switch to 18℃ and 16℃ in one breath, and switch to the lowest gear. I know you are hot and uncomfortable now, but the speed and time of cooling down are the same.

Try it at 25℃, no problem. You need to cool it a little at 23℃, the effect is the same and the cost is lower.