Some Suggestions on How To Choose A Suitable Led Lighting Supplier
January 03, 2023
For many engineering companies, traders and other businessmen, meeting a good supplier and purchasing high-quality products can make their business rest assured and stable. These contents serve as a supplier's suggestion to everyone. A: Basic requirements: 1. The company's milestones, business strategy and management philosophy, 2. Product range, pictures and specifications, 3. List of main customers (domestic and overseas customers), 4. The floor space of the factory, coordinating the number of people, production capacity, and organizational chart (including the proportion of direct and indirect employees), 5. Research and development and engineering capabilities (including the manufacture of samples, sample delivery, etc., joint research and development, OEM and ODM services and delivery time), 6 minimum order quantity, packing and shipping method, 7 The company's quality management flow chart, worker training, quality award certificates and safety standards, such as ISO9001:2015, UL, CE certification, RoHS and WEEE etc. (if applicable) qualification certification, 8. List of machines and equipment for each production and inspection (including description, picture, resolution, brand, quantity, model, tolerance and precision, origin or country), 9. Sales turnover in the past 5 years, and target sales revenue for 2013, 10. Export capacity, and quantity (that is, exporting countries and monthly export quantity), 11. Contact window (the main contact person of general sales, production planning, engineering and quality assurance department), 12. The location map of the factory (instructions, such as the distance of key places such as airports, shipping ports, railway stations, and bus stations.) 13. Future plans (including 5-year development plan). B: Basic requirements of the product: One: Basic requirements for materials: 1. Appearance, no burrs, uniform oxidation, no scratches, thickness, to ensure effective heat dissipation, generally made of 0603 aluminum 2. Aluminum substrate, thickness above 1.0, internal copper foil 1 oz, imported exposure oil with high light conductivity, thermal conductivity above 1.0, AC220v line without alternating current on the circuit board, easy to form creepage, aluminum substrate Inking should be even and flawless. 3. Lamp beads use large chips, (12*23, 10*30, take 2835 as an example; later use high-end chips, such as Class I: Samsung, Kerui, Nichia, Class II, Epistar, Three Ann, etc.), then the gold wire is a high-purity gold wire above 1.0, and then the encapsulation glue is made of Dow Corning, the phosphor is made of Intermex, and the bracket is made of ceramic or copper. These are better in heat conduction and are also top brands. Do not use small chips, brand-name chips, alloy wires, aluminum wires, iron brackets, etc., which will cause poor heat dissipation of the product and affect the lifespan 4. Outer cover, the outer cover adopts a flame-retardant PC cover with better light transmittance and no impurities 5. Others: Copper wire is used for the wire, and if it is more than 0.5 square meters, it uses iron-fluorine copper wire or silica gel wire, thermal conductive silicone grease, and is configured according to the W number of your lamp 6. Try to adopt the method of series-parallel connection, more and less wear, because if it is connected in parallel, even if it is a dead light, it will not cause the whole light to be off 7. In the selection of driving power, it is recommended to choose an isolated power supply as much as possible, because the reliability of the isolated power supply is higher. Of course, the non-isolated power supply is also fine, but it must be based on the choice of power supply materials and the choice of ic solutions. Choose a more mainstream ic solution It is Sharpie, Silan Micro, etc., followed by the matching degree of the transformer and IC, and then the electrolytic capacitor. The longer the life of the electrolytic capacitor, the longer the life of the product. At 105 degrees, how many hours is the life, such as 8000 , then every time the temperature drops by ten degrees, the life span will be doubled, and it will be 16,000 hours at 95 degrees. Do not use low-life electrolytic capacitors.
Two: Manufacturing process and testing requirements 1. The company should have an anti-static workshop, because the breakdown strength of static electricity on chips is very high, such as electrostatic paint, anti-static work surface, staff static clothing, static bracelet, and static grounding device 2. Test instruments, such as oscilloscopes for driving power supplies, power meter frequency meters, etc., hydrochloric acid test instruments for shell kits, integrating spheres for the whole lamp, illuminance meters, and integrating spheres to test the consistency of color temperature, color rendering index, brightness, and brightness of products. Efficiency, power, etc., the illuminance meter simulates the illuminance of the scene, and then whether it has high and low voltage impact test, vibration test, constant temperature and humidity test, etc. 3. The company should be able to have a dedicated design team to design products according to the actual situation of your site 4. The company should provide detailed specifications, including product introduction, application occasions, overall lamp parameters, illuminance diagrams, light distribution diagrams, installation diagrams, product packaging diagrams, etc. C: Other: It is recommended that you purchase a sample after selecting a supplier and come back for comparison. First, buy a small illuminance meter and analyze the illuminance when the environment is basically the same. Then open the interior and compare and analyze one by one. The shell thickness and the width of the aluminum substrate are consistent. Sex, the thickness of the above line, the quality of the driving power, etc. The above content is provided by WOSEN. WOSEN is a professional manufacturer and supplier of Led Flood Light, Led Street Light, Led Solar Light, etc. For more information, please visit https://www.wosenled.com/ or contact admin@wosenled.com or WhatsApp +86-13425434349
