On the forum, Peng Zhenjian, deputy director of the inspection center and senior engineer, first introduced the correct use standards for current LED lamps and accessories as light sources. Peng Zhenjian said that LED as a new type of light source has been widely used in lighting equipment, and has also received policy support from the state and provinces and cities. Various industrial support policies and demonstration projects have been introduced, which has led to the rapid development of LED applications in the lighting industry. Industry development can not be separated from the standard, so it is necessary to sort out the current standardization system of LED lighting products, so that LED lighting products market companies, users, management departments correctly use standards to guide the production and application.
According to reports, according to the classification of China's standardization law, standards are divided into four levels: national standards, industry standards, local standards and corporate standards. Among them, the national standard and the industry standard are the standard requirements that the product must meet within the scope of our country. Products produced by the enterprise should be used as the basis for guiding production. The standards introduced in this forum are mainly based on national standards, industry standards and corresponding ICE standards. At the same time, the basic standards for performance testing of lighting appliances and the current requirements for energy conservation certification in China are introduced.
In the second half of the forum, the guests focused on the related LED testing technology and instructed enterprises to select specific performance testing methods based on luminous flux and various necessary parameters. In addition, various technical issues encountered during the production of lamps and lanterns were the focus of the presentation, and manufacturers of LED were introduced comprehensively to different types of production standards and testing models. They also established a good communication platform for businessmen and experts.
Resistor (Resistor) commonly known as resistance directly in our daily life.It is a current limiting element. When the resistance is connected to the circuit, the resistance value of the resistor is fixed, usually two pins.Fixed resistors are those whose resistances cannot be changed.Resistance variable is called potentiometer or variable resistor.The ideal resistor is linear, that is, the instantaneous current through the resistor is proportional to the applied instantaneous voltage.Variable resistor for partial pressure.On the exposed resistor body, one or two movable metal contacts are pressed tightly.The contact position determines the resistance between any end of the resistance body and the contact.
Electronic Components Resistor
Electronic Components Resistor,Metal Film Resistor,Metal Oxide Film Resistor
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