LED light board double 85 environment test application program

LED light board double 85 environment test application program,Double eighty-five environment test (85°C/85% RH Test)

LED light board double 85 environment test application program

The original program was: none

Pain Points:

Test Requirements:

Double eighty-five environment test (85°C/85% RH Test):

1, before the test, the electronic control board will be installed on the product and plugged into the power outlet, turn on the product at the rated voltage, no-load work for 5min, intermittently test the sensitivity of each key with the B-type test probe or finger, and observe whether there is any abnormal phenomenon;

2, the electronic control board at 85 ℃, 85% RH environment for 500h. Unless otherwise specified, with the specified load for intermittent work (not work 3h, work 1h), the test starts from the sample does not work state, after the test according to the rated voltage, 1.2 times the rated voltage,

0.77 times rated voltage, rated voltage for one switching.

(1) DC load by rated load;

(2) AC load by rated voltage 220V indicator.

Salt solution concentration is (5±1)% (mass ratio) of NaCl solution; PH value of salt solution: PH value 6.5~7.2 when the temperature is (35±2)℃: temperature of the test box: (35±2)℃: test time 24h. after test

Remove the samples and rinse the energized test samples under tap water for 5min, followed by rinsing with distilled water or deionized water, and then shaking or drying with airflow to remove water droplets; the temperature of the cleaning water is not more than 35℃, and it is placed under standard recovery conditions for not

The temperature of the cleaning water should not exceed 35℃, and then it should be placed under the standard recovery condition for not less than 1h and not more than 2h, and then energized for testing.