IEC 61215 Terrestrial Photovoltaic (Pv) Modules Hail Impact Tester IEC 61646

IEC 61215, IEC 61646, UL 1703

Hail impact tester use:

To verify the ability of components to resist the impact of hail, artificial ice balls are used to simulate hail, and impact components at a constant speed to simulate the impact of hail climate on components.

Technical Specifications :

1.Launching device

a. The power source is compressed air from the air compressor

b. Air pressure: 6 ～ 8bar

c. Ice hockey is filled by single shot manually

d, barrel length is about 940mm

e, the barrel can be replaced

2. Mobile positioning device

a, X axis movement distance is about 2100mm

b, Y axis moving distance is about 1000mm

c, positioning accuracy ≤1mm

d, impact area 2000 × 1000mm

e. The guiding method is high-quality imported guide rails

f. The driving method adopts imported servo motor + synchronous wheel

j , Positioning control method is automatic positioning by host computer control

3.Speed ​​measurement system and principle

a. By measuring the time t when the ice ball passes through the infrared speed sensor and capturing the infrared light, the speed of the ice ball is calculated according to V = S / t

b.The speed meter uses high-precision infrared speed sensor

c. Infrared speed sensor accuracy ± 5%

d , Speed ​​grabbing range 0 ～ 50 m / s

e. Ice hockey speed: 25 mm diameter ice hockey speed 23.0m / s ± 5%

35 mm diameter ice hockey speed 27.2m / s ± 5%

45 mm diameter ice hockey speed 30.7m / s ± 5%

4. Ice hockey preparation method and mold

a. Fill the ice hockey mold with water and put it in the freezer compartment of the refrigerator. After the water cools and freezes, separate the mold from the ice hockey and place it in the ice hoc storage box for refrigeration.

b, the mold is made of special materials that are not easy to expand and deform

c. Inner cavity diameter 25mm <1%; 35mm <1%; 45mm <1%

d. 6 ice pucks in one mold; at least 2 molds in one specification

e. The mold cavity processing technology is processed by high-precision CNC numerical control machine tools

f. Ice hockey diameter 25mm <5%; 35mm <5%; 45mm <5%

g. Ice hockey weight 7.53g <5%; 20.7g <5%; 43.9g <5%

h, refrigerator -10 ℃

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