The summer, refrigeration agent leak is air conditioning the most common breakdown in using. Refrigeration agent some needs one year to be added, 2 months add some possibilities. Refrigeration agent leak causes an environment easily to pollute, add a car additionally advocate the charge that upholds car and time. It is 7 kinds of methods of leak hunting of car air conditioning below.

Range estimation leak hunting

When discovering systematic somewhere has oil stains, it is leakage dot possibly here. Range estimation leak hunting is handy easy travel, without cost, but have very big drawback, unless the system is abrupt,the big leakage that rupture is nodded, and of systematic leak is medium of liquid state coloured, otherwise range estimation leak hunting cannot locate, because the place of leakage is very normally subtle, and itself of car air conditioning has a lot of place to cannot see almost.

Suds leak hunting

Fill 10-20kg/cm2 pressure nitrogen to the system, be in again system the suds on each place besmear, effervescent place is leakage dot namely. This kind of method is at present roadside repairs the leak hunting method with the commonnest yard, but the person's arm is finite, eyesight limits of the person is finite, a lot of moment cannot see leakage is nodded at all.

Nitrogen water leak hunting

Fill 10-20kg/cm2 pressure nitrogen to the system, systematic water intrusion in, effervescent place is leakage dot namely. This kind of method and the essence of method of suds leak hunting in front are same, although cost is low, the weakness that Dan Youming shows: The exaggeration that leak hunting uses enters a system easily, bring about the material inside the system to be corroded, at the same time high-pressured gas is caused likely also to the system bigger damage, strength of the labor when undertaking leak hunting is very great also, make the cost that maintains the overhaul rises so.

Haloid lamp leak hunting

Ignite leak hunting lamp, hold the air on haloid lamp to be in charge of, when leakage of nozzle * close system is in, blaze color turns into indigo, show here has a large number of leak namely. This kind of means has bright fire generation, not only very dangerous, and bright fire and refrigeration agent union can produce harmful gas, in addition locate leakage is nodded well and truly. So this kind of method was used without the person almost now, if you can see, that may be to lying be not civilized society phase.

Aeriform difference presses leak hunting

The atmospheric pressure that uses systematic inside and outside is poor, will press difference to pass sensor enlarge, convey leak hunting result with the means of number or sound or electronic signal. This method also is can " qualitative " the ground knows a system whether leakage and cannot find leakage place well and truly.