Do a good job of insulation protection measures for the display screen, waterproof devices are very important

Electronic products are the product of technological progress. As one of the most widely used products in the market, LED electronic display products have a particularly important safety performance. For electronic products, waterproof connectors determine the insulation and protection standards. How to choose a high-quality LED waterproof connector?

First, first of all, it meets the requirements of relevant electrical, installation, connection, insulation, protection and other technical standards, which is the basis for selection.

Second, we should not only look at the standard, we should go beyond the standard and pay attention to the situation encountered in practical application. Because some of the standards selected for the design and production of connectors in the LED industry are actually borrowed from other industries, because the application time of the industry is relatively short, many terms do not meet and meet the rapidly changing requirements of the LED industry, such as the requirements for aging-resistant materials. The assessment is only generally speaking that it is suitable for the use of outdoor projects, but how to define it is based on the UL yellow card or the test. The service life of outdoor projects is based on the commercial contract of the project manufacturer or a "technical use that everyone can recognize These directly affect the selection and design of product materials, and are also the reason for the variety of LED connector materials. In addition, the requirements of individual standard items are still relatively low, which means that the quality threshold is very low. All kinds of family workshops can be produced at will. Some test standards are tested in a "standard static environment". Often after an engineering accident occurs, the connector is retested and found to be qualified according to the standard. Why, because the laboratory test They all choose standard terms and standard environment, but the environment of the application site is very different. For example, the M16 cable gland at the end of the connector has requirements for cable gripping force and torque resistance. The standard only says that the tensile force reaches 80N, and the torque resistance value is greater than 0.45. N.m But the connector may be artificially pulled and twisted in actual use, so the actual data may be far from the standard value, and this force is kept between the two connectors for a long time. After a long period of outdoor use, it often ends up Cause the connector is not waterproof or poor contact and open circuit.

Third, look at the structural principle design, structural design is very important. If the principle design such as waterproofing and connection is more advanced, it is already superior. If you choose outdated structural principle design, even if the quality control in the manufacturing process is very good, it is often in reliability, outdoor long-term weather resistance Performance and other aspects are not as reliable as the innovative generation of products.

Fourth, look at the tolerance size of the assembly to control the accuracy. Because connectors often involve connection, waterproofing, male-female contact and matching, etc., they need to have high precision requirements for dimensions. If you spend some time and carefully measure the mating dimensions of multiple pairs of connectors with a caliper, you will find that the mating dimensions of poor quality vary greatly, that is, the stability of the connection is not guaranteed, and the consistency of batch products is poor.

Fifth, look at the production quality control system of the connector factory. It is easy for a connector company to provide a pair of connectors for testing, and you can get good test scores, but when you arrive at the factory, you will find that there are no inspection standards for raw materials, no necessary testing links for finished products, and repair and inspection of unqualified products There are no procedures, etc., which affect the overall quality of the product, that is to say, it is only 100% qualified, but it is not 100000000000000000000000000000000. In the long run, a good quality system control is even the most important reference factor for lighting manufacturers to choose connector manufacturers, otherwise they will "lose the big for small things". Generally speaking, enterprises with larger production scale and technical testing equipment have a higher level of product quality control and stability.