Temperature difference between inside and outside of the car in summer and prevention of air conditi

Category:Automobile maintain - Date:2018-04-14

since entering the summer, air conditioning has become the primary action of the vehicle owner entering the car. However, the owner in the enjoyment of cool, at the same time, a lot of time will feel tired tired, dry skin, varying degrees of hand foot and foot numbness, headache, sore throat, nerve pain and stomach discomfort, such symptoms are typical car “ air conditioning ”

last Thursday, the reporter saw at the Xinqiao hospital internal medicine clinic that recently many owners had such “ the &rdquo of air conditioning disease. Doctor Yin in the outpatient department said that the prevention of car &ldquo and air conditioning ” the owner must often open the window to air the air, and the temperature difference between the inside and outside of the car should be best controlled within 5 degrees centigrade, and the maximum should not exceed 7.

Seal the hidden diseases

vehicles with air conditioners usually have better sealing performance. When air conditioning works, the replacement rate of air in the vehicle exceeds 2~5 times of normal conditions, and some even reach 8 times. Most people will feel dizzy and tired for a few hours in this environment, and their memory will also decrease.

Dr. Yin said that long stay in the low temperature environment of the car air conditioning, cold feeling passed to the brain's temperature regulation center, the skin blood vessels contraction, distribution in the body of sweat glands to reduce secretion, thus reducing heat emission to maintain body temperature. The cold sensation causes the contraction of the abdominal organs and the decrease of gastrointestinal peristalsis, resulting in the corresponding symptoms. In addition, most of the cars are closed and unventilated, the air is cloudy, and the air conditioner itself will also send out some harmful gases, and it is easy to get sick in this environment for a long time. Air conditioning disease is unknowingly, the best way to prevent air conditioning diseases is to open windows and ventilate frequently.

The difference between temperature and temperature is harmful

during the summer season, the owners of a car must not be greedy, and the temperature of the air conditioner should be kept constant. This is because the temperature in the car is very different from the outside temperature. Many drivers can't adapt to the temperature change of this kind of cold and heat. It is easy to reduce the resistance of the body, which leads to the occurrence of the cold, so the constant temperature should be set. The best standard of constant temperature is that the temperature difference between the inside and outside of the car is within 5 degrees C, and the maximum is not more than 7. In this temperature range, the body's body temperature center can be adjusted flexibly and flexibly, if the temperature difference exceeds this limit, the body will have discomfort symptoms. In the use of air conditioning, we should always pay attention to increasing or reducing clothing to prevent the occurrence of air conditioning diseases.

"Car weekly" reminds the majority of the owners, in the prevention of car “ air conditioning ” at the same time, you may also give your car air conditioning system to do a cleaning service, so that you have a healthier life.

Related links to automobile air conditioning bacteria can be DIY

First step: replacing the air conditioning filter core

Air conditioning filter is the easiest place to be ignored. Some people do not even know that there is an air conditioning filter in the car that needs to be cleaned and replaced regularly, but the dirty air conditioning filter is not only unable to filter the dirty air, but also makes two pollution of the fresh air entering the car, so it wants to clean the car thoroughly. Bacteria must stop the source.

Under normal conditions, the service life of a original air conditioning filter is 30 thousand km or a year. If the road is often on the road or the air quality is poor, the replacement cycle will be shortened. Especially for those who often smoke in the car, they should pay more attention to changing air conditioning filters. The method of cleaning the filter is very simple. The air conditioner filter in most small cars is under the front windshield of the car. The removed filter is blown clean with a high pressure air gun, then a few hours in the sun can be put back in place to achieve the purpose of removing bacteria, but the filter core which has been polluted seriously needs to be replaced thoroughly.

The second step: cleaning air conditioning air duct

now there are many kinds of disinfectant for cleaning air duct in the market. The price ranges from tens of yuan to hundreds of dollars, and owners can choose to buy them on demand. The cleaning method is also very simple. After stopping the car in a good air environment, open the external circulation switch to open the air conditioner to the natural gas shift gear. Then, the cleaning agent is evenly sprayed into the air duct by the air outlet. After a few minutes, the air conditioner is open and the air conditioner is completely ventilated. Of course, this method is also suitable for not very serious pollution of the wind tunnel, if it is those long time uncleaned vehicles, it is better to be a professional car maintenance center to do a complete steam sterilization or photocatalyst more effective.

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