A customer found us after looking for LED line lights. He said that he just touched the profession of lighting engineering. He said that the effects of the line lights he had bought were all one by one. The dark area was very big and ugly. Our business manager explained the reason to the customer immediately.

　　The reason is very simple. The gap between LED line lights is too large. This part is composed of equipment reasons and part of product reasons. There are many cheap line lamps on the market with simple structure. The thread ends come out at both ends of the lamps, which can't be hidden. They can only be exposed between the two lamps, so the interval is large; while the bottom hidden line type line lamps can be hidden at the bottom of the wiring, and there is no interval between lamps, so the effect is very rare dark area.

　　Defect inspection is an important inspection item in product certification inspection. This test item is to short-circuit or open some components on the line to imitate the shortcomings that may occur in actual use, and then evaluate the safety of the product under the condition of single defect. In order to meet this safety requirement, when designing the product, it is necessary to add appropriate fuse at the input end of the product to prevent over-current from happening when the output is short circuited or the internal components are defective, and then lead to the risk of fire.

　　The waterproof test should be a test item immediately after the aging test. This talent imitates the real environment to test the real IP protection level of LED line lamp. This method is generally called thermal measurement. After the lamps are heated, they will show a phenomenon of thermal expansion and contraction. In this time, we can really test whether the LED line lamps are competent in the outdoor harsh environment, so as to ensure that the lamps have no problem in water and dust-proof ability under the conditions of wind, rain, sun and so on.

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