What is the classification of lamps and lanterns

lighting can be used as light source, installation method, using the environment with functions such as classification, here are several kinds of typical classification method.

according to the use of light source classification

there are mainly incandescent lamps, fluorescent lamps, high strength gas discharge lamp, etc.

according to the installation of lamps and lanterns classification are droplight, absorb dome light, wall lamp, embedded lamps, dark slot lamp, table lamp, floor lamp, luminous ceiling, high lamp, lawn lamp, etc;

according to the design of lamps and lanterns of bearing surface material classification

according to the design of lamps and lanterns of the bearing surface material can be divided into portable lamps and lanterns and the hand lamp, suitable for installation in ordinary combustible materials on the surface of the fixed type lamps and lanterns and only suitable for installation in non combustible materials on the surface of the fixed type lamps and lanterns, flammable material surface is not suitable for direct installation of lamps and lanterns

only with F the lamps and lanterns of symbols, can be applied to is installed directly on the surface of ordinary combustible materials.

using the environment classification according to the special places

the use environment of lamps and lanterns is according to its special place, can be divided into many dust, moisture, corrosion and fire danger and explosion danger such as use of lamps and lanterns;

according to the function of the lamps and lanterns of classification in accordance with the classification method, roughly the following classification:

1. According to the dust GB7000, solid foreign bodies and waterproof grade classification. 1 - The lamps and lanterns of general safety requirements and test (2002 To identify the IEC60598 - '99). To the classification by the IP protection class of lamps and lanterns and two characteristic Numbers.

IP characteristics after the first number refers to the live part inside the human body touch or close to the shell, the degree of protection inside the foreign body into the shell,

IP after the second number refers to prevent water from entering the protection grade within the shell of lamps and lanterns;

2, classified according to type of protection against electric shock,

in order to guarantee the normal work of the electrical safety and lamps and lanterns, lamps and lanterns of all live parts ( Including wires, connectors, lamp holder, etc. ) Must use insulation or to protect them on the method of shelter, protection method and the degree of influence to the using method of lamps and lanterns and the use of the environment. This kind of personal safety protection measures referred to as a protection against electric shock.

IEC of lamps and lanterns with clear classification regulation, protection against electric shock GB7000 country village. 1 - 2002 'general safety requirements and test of lamps and lanterns, the regulation of lamps and lanterns of protection against electric shock is classified into 0, four class I, II, III;

3, classified according to optical properties or function

( 1) On the recommendation of the international commission on illumination, indoor lamps and lanterns. According to the distribution of luminous flux in the fluctuation space is divided into A, B, C, D and E five types,

( 2) Britain according to the distribution of light intensity in the hemisphere of lamps and lanterns, divided into 10 types, gives a class of BZ intensity distribution curve,

( 3) Classified by 1/2 illumination Angle of lamps and lanterns,

( 4) The classification of the project-light lamp, project-light lamp are classified with the size of the beam Angle. Beam Angle is the Angle between the lamps and lanterns is 1/10 of the maximum intensity.

the beam Angle can be divided into horizontal and vertical two kinds, sometimes due to the asymmetric light distribution, vertical and horizontal beam Angle can also have up, down or left and right.

project-light lamp light intensity in the main ( Or the peak intensity) Refers to the maximum light intensity, light can be detected from the light distribution curve. Usually given intensity value is 1000 lm situation, through the conversion to get the absolute intensity values of lamps and lanterns.

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