High-Low-Temperature Impact Chambers Several types of high-low-temperature impact test chambers are suitable for testing the safety performance of electronic components. They provide reliability tests and product screening tests. At the same time, this equipment test can improve product reliability and product quality control. , Wuhan Shangchen Test Equipment Co., Ltd. high-low temperature impact test chamber is divided into three types: three-box high and low temperature impact test box (gaseous), two-chamber high and low temperature impact test box (gaseous) and two-chamber high and low temperature impact test box ( Liquid).

Three-box high-low temperature impact test box (gaseous): The test equipment has three boxes. During the test, the sample is in the normal temperature range, but only through the damper of the high temperature zone and the normal temperature zone, and the damper of the low temperature zone and the normal temperature zone. Hot and cold impact effect. At present, the reliability laboratory's existing equipment is a three-box type with a conversion time of 3-5 minutes.

Two-box high and low temperature impact test box (gaseous): The test equipment has two boxes, the sample is placed in a hanging basket, and the cold and heat shock effect is achieved by the movement of the hanging basket in the high temperature zone and the low temperature zone. The conversion time of the two-box temperature shock is faster than that of the three-box type, and the conversion time is ≤ 30s.

Two compartment high and low temperature impact test box (liquid): The test equipment has two boxes, silicone oil is contained in the high temperature zone and the low temperature zone respectively, and the effect of hot and cold impact is achieved through the movement of the basket. (The two-box liquid shock is faster than the two-box gas shock, and the conversion time is ≤10s.

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