EU Directive
—— The Low Voltage Directive (LOW VOLTAGE DIRECTIVE, 2006/95/EC) was originally scheduled in 1973 and is considered the predecessor of the new method directive. It was revised to 93/68/EEC in 1993.
The purpose of the Low Voltage Directive (LVD) is to ensure the safety of low-voltage equipment in use. The definition of low-voltage equipment is electrical equipment with 50-1000Vac or 75-1500Vdc. Computers and related peripheral products that meet the power supply conditions are within the jurisdiction of this directive. The directive covers all safety rules for this type of equipment, including protection against hazards caused by mechanical reasons.
——Electromagnetic Compatibility EMC Directive (ELECTROMAGNETIC COMPATIBILITY DIRECTIVE2004/108/EC) was originally scheduled in 1989 and has been revised twice. The latest version is 2004/108/EC.
The purpose of this directive is to prevent electrical and electronic products from generating electromagnetic interference to other equipment to ensure the safety and stability of the operation of electronic equipment. It also stipulates that the equipment must have a certain anti-interference ability. The directive does not specify specific values, only basic protection requirements.
——On the Recycling Directive of Hazardous Substances and Used Electronics
On February 13, 2003, the European Union promulgated the "Directive 2002/96/EC on Waste Electrical and Electronic Equipment" (WEEE Directive) and "Regulation on the restriction of the use of certain hazardous substances in electrical and electronic equipment" 2002/95/ EC Directive
(RoHS Directive). According to the WEEE Directive, for products put on the market after August 13, 2005, producers should provide guarantees to ensure that the funds for the collection, treatment, recycling and environmental protection disposal of waste electrical and electronic equipment will be provided by the producers; The management and disposal costs for products that were put on the market (used for users other than private households) before August 13, 2005 ("historical waste") will be provided by the producer. According to the RoHS directive, from July 1, 2006, member states should ensure that the use of lead, mercury, cadmium, hexavalent chromium, polybrominated diphenyl ethers and polybrominated biphenyls in new electronic and electrical equipment put on the market is restricted. substance.
standard requirement
1. Electrical safety
The electrical safety standard for information technology products such as computers in the Low Voltage Directive is EN60950. This standard modification adopts the IEC standard IEC60950.
The electrical safety standard involving TVs and other audio and video products is EN60065. This standard modification adopts the IEC standard IEC60065.
2. Electromagnetic compatibility
The EMC Directive involves EN 55022, EN 61000-3-2, EN 61000-3-3 for electromagnetic compatibility coordination standards for information technology products such as computers. The EU’s immunity requirements for IT equipment are implemented according to the different environments in which they are used. The EN61000-6 series of standards are applicable to IT equipment used in residential, commercial and light industrial areas. The test items include: 8KV air discharge immunity Degree (EN61000-4-2), 3V/m radiation immunity (EN61000-4-3) and 1kV fast pulse group immunity (EN61000-4-4); suitable for IT equipment used in industrial environments, Test items include: 4KV contact discharge and 8KV air discharge immunity (EN61000-4-2), 10V/m radiation immunity (EN61000-4-3), 2KV fast pulse group immunity (EN61000-4) -4), 4KV common mode, 2KV differential mode impulse surge immunity (EN61000-4-5), 10V induction field conduction immunity (EN61000-4-6), 30A/m pulse magnetic field immunity (EN61000-4-8), 40%, 70% and 0% voltage drop immunity (EN61000-4-11).
In the EMC directive, there are EN 55013, EN 55020, EN61000-3-2, and EN 61000-3-3 related to electromagnetic compatibility coordination standards for audio and video equipment such as televisions.
CE mark
Computers and related peripheral products entering the EU market should meet the requirements of low-voltage, electromagnetic compatibility and other directives. How to prove that the products have met the requirements of these directives? The CE mark is an effective means to prove that the products meet the corresponding requirements.
The CE mark is an entry mark for the EU market, and it is also a self-declaration and self-assurance mark for manufacturers. As long as the products are covered by the new method directive and require the CE mark, the CE mark can be affixed on the product after passing the corresponding conformity assessment procedure before placing the product on the EU market. If the product is not affixed with the CE mark, it is regarded as a non-conforming product and will not be allowed to circulate in the EU market, which means that the CE mark is a mandatory measure to enter the European market.
So far, the 21 directives that stipulate the CE marking in the new method directives issued by the European Union are: low-voltage equipment, simple pressure vessels, toy safety, construction products, electromagnetic compatibility, machinery, personal protective equipment, non-automatic weighing devices , Active transplantation of medical equipment, gas equipment, hot water boilers burning with liquid and gas fuels, civil explosives, medical equipment, potentially explosive environments, motorboats, elevators, refrigeration equipment, pressure equipment, telecommunications terminal equipment, diagnostic medical equipment, radio
And telecommunications terminal equipment. The products involved in these directives must be affixed with the CE mark to indicate that they have met the basic requirements of the directive before they are allowed to circulate in the European unified market.
Electronic products such as audio, video and information technology are all low-risk products, which can be affixed with the CE mark by means of self-declaration (ie DoC method). The so-called self-declaration method is that when the exported products are tested in accordance with the requirements of the corresponding harmonized standards and meet the requirements, the manufacturer can affix the CE mark after signing the declaration of conformity.
According to the requirements of Resolution 93/465/EEC, the "CE" mark must be affixed by the manufacturer or a designated representative in the European Union. The manufacturer (in the EU or from outside the EU) is the final person responsible for making the product comply with the basic requirements of the directive. The manufacturer can also appoint an agent in the EU, and the person responsible for putting the product on the market shall bear the responsibility of the manufacturer.
In principle, in order to ensure that the product meets all the requirements of the relevant directives, all conformity assessment procedures must be completed before the "CE" mark can be affixed to the product. The work of affixing the "CE" mark is often completed after the production phase. For example, first stick the "CE" mark on the parameter plate, and then stick the "CE" mark on the product after the inspection is completed. However, if the "CE" mark is affixed by stamping or casting methods to form an integral part of the product or part, then the mark can be affixed at any stage of the production of the product, as long as it is in the conformity assessment procedure of the entire production process Verify that the product is qualified.
The "CE" mark indicates that the product conforms to the most basic public interest involved in the directive, so it can be regarded as the basic information passed to the authorities of the member states and related groups, which requires that the "CE" mark affixed on the product must be in The prominent position, and clear and distinguishable, not easy to smear. Under normal circumstances, the "CE" mark is affixed to the product or its nameplate. If the "CE" mark cannot be directly affixed to the product, it can also be affixed to the product packaging or product accompanying documents, but the "CE" must be certified The reason why the mark cannot be affixed to the product, such as certain explosive items, or due to certain technical and economic constraints, or because it cannot be guaranteed to meet the size requirements of the "CE" mark or the mark cannot be clearly identifiable, The requirements that are not easy to be altered, in these cases, the "CE" mark can be affixed to the packaging or accompanying documents.