GB 14887-2011Road traffic signal lamps (English PDF)

4.1 Classification

4.1.1 Classification by mask specifications Press the lights mask size classification, can be divided into phi200mm specifications lights, phi300mm specifications lights, phi400mm specifications letter Lights.

4.1.2 classification by housing material Press the lights shell material classification can be divided into metal shell lights, non-metallic housing lights.

4.1.3 Classification according to the type of light source Press signal source species classification, can be divided into incandescent, low voltage halogen lamps, light emitting diode (LED) and other sources.

4.1.4 functional classification Lights by functional classification, can be divided into motor vehicle lights, non-motor vehicle lights, turn left non-motor vehicle lights, crosswalk signal Lights, lane lights, directional lights, flashing warning lights, crossing lights, turn signal lights. Among them, motor vehicle lights, flash Light warning lights, crossing lights light signals without pattern, non-motor vehicle lights, turn left non-motor vehicle lights, crosswalk lights, Driveway lights, directional lights, turn signal lights to light various patterns.

4.2 Model Rules for the Lights model by functional classification code, mask specifications, source code and the type of production units custom code components. Function code. Traffic Signal is JD; non-motor vehicle lights as FJ; Non-motor vehicle lights turn left for the FJ/Z; crosswalk lights for the RX; Lane indicating lights for the CD; directional lights to FX; Warning lights flash for the SG; crossing lights for the TL; turn signal lamp is DT Masks Specifications.200; 300; 400 Source Type Code. 1 incandescent light source; 2 low-voltage tungsten-halogen light source; 3 is a light emitting diode (LED) light source; other light source

4 Custom code production unit NOTE. Solar-powered lights in front of the model function code plus S, such as SJD300-3-XYZ.

5.1 General requirements

5.1.1 Appearance Signal emitting unit housing cover along the surface should be smooth, no crack, no silver, no significant deformation and burrs, housing color lights Color should be a clear distinction between the color of the light signal. The lights and the light emitting unit housing should clear text nameplate. Lights shell material can be metal or non-metallic materials, but should provide a standard power connector.

5.1.2 Pattern For the light-emitting surface of the optical design of the mask has lights, light-emitting unit should be uniform, should not too bright or too dark spots or zones Domain, a clear outline of the pattern. For light-emitting diode (LED) light source and the transparent mask without pattern lights, which light-emitting diode (LED) should be arranged in concentric Round. For light-emitting diode (LED) light source and a patterned transparent mask signal, unless the vehicle lights, turn left non-motorized Lights and crosswalk lights pattern allows the use of light-emitting diode (LED) outline the contours, the other pattern shall be used for light-emitting diodes Tube (LED) evenly. Patterned lights pattern should meet the requirements of Appendix A.

5.1.3 size and angle

5.1.3.1 emitting unit size phi200mm, phi300mm, phi400mm three sizes lights on the light emitting unit housing lights were mounting hole diameter phi200mm, phi290mm and phi390mm, the size of the allowable deviation ± 2mm. For non-patterned lights, phi200mm, phi300mm, phi400mm three sizes lights exit surface diameter phi185mm, respectively, phi275mm and phi365mm, the size of the allowable deviation ± 2mm. For patterned lights, phi200mm, phi300mm, phi400mm three sizes lights pattern smooth circumscribed circle diameters It is phi185mm, phi275mm and phi365mm, the size of allowable deviation of ± 2mm. A pattern size shall comply with the requirements of Appendix. Lights the light-emitting unit center distance shall not exceed the size of the light-emitting unit mask 135%.

5.1.3.2 cover along the size and angle Lights along the length of the cover should not be less than

1.25 times the lights outside dimensions of the mask, along the side of the cover angle should be less than 80 °, should not be less cover along the corners At 270 °.

5.2.1 No pattern lights

5.2.1.1 reference axis of the luminous intensity No pattern signal light emitting unit reference axis of the luminous intensity shall be in accordance with Table 1.

5.2.1.2 intensity distribution No pattern of luminous intensity distribution of signal light emitting unit shall comply with the provisions of Table 2. In a predetermined irradiation region, the luminous intensity should be uniform, that is, In the region either direction luminous intensity should not fall below the minimum direction has a value in a predetermined direction in the adjacent table and not more than

1 Regulation Given maximum. Table 1 reference axis unit of luminous intensity candela Mask specifications phi300mm, phi400mm phi200mm LED light, incandescent light, low-voltage halogen light source Imin>=400 Imin>=200 LED light source Imax<=1000 Imax<=800 Incandescent light, low-voltage halogen light source Imax<=2500 Imax<=2000 Table 2 lights light intensity distribution Reference axis down About the reference axis ± 0 ° ± 5 ° ± 10 ° ± 20 ° ± 30 ° 0 ° 100 85 55 3 1 3 ° 80 75 - - - 5 ° 60 - 35 - - 10 ° 30 - - 8 - 20 ° 2 - - - 2

Note 1. Data in%, as specified in Table 1, the light intensity Imin 100%.

Note 2. "-" means that the angle of the light intensity distribution without determining the value specified.

5.2.2 Patterned lights

5.2.2.1 Brightness In addition to using LED lights outline a pattern of non-motor vehicles, non-motor vehicle lights and turn left crosswalk lights, the other with a pattern The average emission luminance signal in all directions shall not be less than the minimum luminance value specified in Table 3, and not more than 15000cd/m2. Signal lights can be observed in the region, it should be uniform brightness, than the reference axis luminance of the maximum and minimum should not exceed 2. Table 3 patterned lights minimum luminance value in units of candela per square meter Vertical angle (Reference axis downward) Horizontal angle (About the reference axis) Signal light color Red yellow green 0 ° 0 ° 5000 5000 5000 ± 15 ° 1500 1500 1500 10 ° 0 ° 1500 1500 1500 ± 10 ° 1500 1500 1500

5.2.2.2 luminous intensity With LED lights outline a pattern of non-motor vehicles, non-motor vehicle lights and turn left crosswalk lights, the light emitting unit reference Axis luminous intensity of not less than and not more than 150cd 400cd, luminous intensity in other directions should not be less than specified in Table 4. Table 4 patterned lights outline the minimum light intensity in units of candela Vertical angle (Reference axis downward) Horizontal angle (About the reference axis) Signal light color Red yellow green 0 ° 0 ° 150 150 150 ± 15 ° 45 45 45 10 ° 0 ° 45 45 45 ± 10 ° 45 45 45

5.2.3 optical properties after use Lights and put into use a year later, the light emitting unit lights reference axis luminous intensity (brightness) of not less than Table 1, Table 3, Table

4 Regulation 80% of the set value.

5.3 Phantom Luminous intensity lights emitting unit on the reference axis Is their angle of emission intensity ratio Iph of the phantom 10 ° direction generated Shall comply with the provisions of Table 5. Table

5 Is the ratio Iph Signal light color ratio Colorless and colored mask mask Red, yellow > 8 >

5.6 Power Adapter

5.6.1 The insulation resistance and dielectric strength Insulation resistance of the power adapter between input and output should be greater than 2MOmega, shall withstand the dielectric strength of 1440V AC without hair Sparking and breakdown.

5.6.2 turn-off voltage When the input signal voltage RMS is not more than 90V, lights should stop emit visible light.

5.6.3 Grounding Requirements When the power adapter is grounded, the output of the circuit should be connected to ground on one end; lights during normal operation, in addition to the lamp base housing In addition, the grounded metal can not be a member of the current channel.

5.7 start instantaneous current Instantaneous current signal start-up should be less than 2A.

5.8 power adaptation

5.8.1 Supply voltage adaptability 50Hz power supply frequency is kept constant at the rated voltage 220V power supply voltage based on the change of ± 20%, lights should be able to work properly As a reference axis luminous intensity variation width should not exceed 10% of the rated voltage of the emission intensity.

5.8.2 Power frequency adaptive 220V AC power supply voltage is held constant...