Three-box thermal shock test chamber for liquid crystal display temperature shock test
Three-box thermal shock test chamber for liquid crystal display temperature shock test
Many exposed outdoor LCDs are often subject to temperature shocks, how to verify whether the product is affected by temperature changes? This time it is necessary to use the thermal shock test chamber. Generally you can use three-box or two-box thermal shock test chamber to do the test. Here we look at the liquid crystal display to do some of the requirements of the temperature shock test.
Liquid crystal display cold thermal shock test:
1. Test equipment: three-box thermal shock test chamber
2. Equipment Model: HYTS series
3. Equipment brand: Huanyi instrument
4. Test standard: GB/T 18910.5-2008 Liquid crystal and solid state display devices Part 5 environment, durability and mechanical test methods
5. LCD cold and thermal shock test chamber requirements:
(1)The absolute humidity of the atmosphere during the test does not exceed 20 g/m³.
(2) The corresponding maximum and minimum shock temperatures, selected from the chart below.
(3) The exposure time t1 at each of the two temperatures depends on the heat capacity of the device. According to the relevant specification, it should be 3 h, 2 h, 1 h, 30 min or 10 min. If the relevant specification does not specify the exposure time, it will be 3 h.
(4)The following procedure consists of a cycle, the average rate of temperature rise and fall in the test chamber in 5 min should be (1℃ ±0.2℃) / min, (3℃ ±0.6℃) / min or (5℃ ±1℃) / min, unless otherwise specified in the relevant specifications.
(5) In addition to the relevant specification provides otherwise, the number of cycles should be 2 times.Thermal shock test chamber used to test the material structure or composite material in an instant by the degree of high or low temperature environment can be endured, and the rapid development of society, the impact of the product test puts forward higher requirements, and then cold and thermal shock test chamber also need to follow the improvement of the relevant functions.
Such as the Huanyi instrument through a series of process transformation of the three-box thermal shock test chamber, can produce a compact structure, simple operation, good results, a high degree of intelligence of the test chamber, not only in the use of the process for the operator to provide a more simple and efficient test equipment, and more importantly, for the user to save labor costs.
If you have questions about the use of three-box thermal shock test chamber equipment selection, fault maintenance, testing, etc., you can write to me or visit the "Huanyi Instruments" website, consult the relevant technical staff to answer related questions.
