Chengdu quality supervision spot checks LED products: 5 batches of substandard

In order to promote the LED products of pilot work, steadily improving the quality of LED products, promote technological innovation and industrial development, Chengdu Municipal Bureau of quality and technical supervision in the year 9 to October in the city within the scope of LED lighting, LED display quality products and PV module conducted a special supervision and inspection.

The total sample of 13 companies produced LED lighting, LED display and photovoltaic components in 18 batches of products (including regular supervision of 8 enterprises in 11 batches), after inspection, the physical quality of 15 batches of qualified, quality checks pass rate of 83.3%, 3.4 percentage points higher than in 2011. Among them: the sampling of 5 batches of photovoltaic modules, physical quality pass rate of 100%; LED lighting products in batches, physical quality pass rate of 81.8%; LED display products in batches of 2, physical quality pass rate of 50%.

From the results of this special sampling, the physical quality of the product pass rate of 83.3%, although higher than in 2011 to improve the overall quality of the problem is still more prominent in the 3.4%.

(a) LED lighting products

A total of 8 batches of samples of the company's products in batches, qualified for 7 batches, the pass rate of 63.6%, the physical quality of qualified batches of 9, physical quality pass rate of 81.8%. The main indexes are: mark, protective earthing device, to prevent accidental contact with live parts of the measures, moisture-proof and insulation, dielectric strength, structure, screw, closure components and connectors, lamp power, power factor, initial luminous flux, color / characteristics, interchangeability, accidental contact with live parts, protection after the treatment of wet insulation resistance and dielectric strength, mechanical strength, harmonic etc..

There are 4 batches of substandard marks. Performance in the rated voltage or voltage range, rated power or rated frequency and other important indicators of the value of the parameters, some companies did not even mark the source. This shows that the lack of awareness of the standards, not enough attention, easy to mislead consumers, resulting in the misuse of products.

There are 2 batches of color characteristics of color rendering index. The color rendering index is an important index to reflect the LED light parameters, which is the degree of distortion of the color of the object when the LED lamp irradiates the object. The unqualified indicators of the enterprise in the production process used to meet the requirements of raw materials, or process control deviation, not strict factory inspection.

(two) LED display products

A total of 2 batches of samples of the company's products, physical quality qualified for the 1 batch, physical quality pass rate of 50%. The main indexes are: marking and instructions, shock and energy risk protection, grounding and connection protection measures, electrical insulation, wiring connection and power supply (General requirements), wiring, connection and power supply (connected with grid), structure (stability), structure (mechanical strength etc.).

There are 1 batches of grounding and connecting protection measures failed. Standard with insulation protection if the conductor is connected, the insulation color should be green and yellow color, the sample is not according to the regulations, easy to cause the user in the process of grounding and wiring L, N connected, cause person, dangerous equipment. This shows that the lack of understanding of the standard, did not cause enough attention.

(three) photovoltaic modules

A total of 3 batches of samples of the company's products, physical quality pass rate of 100%. The main indexes are: visual inspection, marking, standard test conditions and performance of the insulation test, hot spot test, wet leakage current test, touch test, grounding connection test, reverse current test.

The quality of the sample of substandard products enterprises, Chengdu quality and technical supervision has ordered its immediate rectification, and in accordance with the relevant laws and regulations on the conduct of its illegal investigation. In the next step, the Council will further intensify the supervision and inspection of LED and photovoltaic products manufacturing enterprises, and urge enterprises to seriously implement the main responsibility for product quality, product factory inspection strictly fulfill the statutory obligations, strengthen quality control, in order to promote the Chengdu city LED and solar photovoltaic product quality level.

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