11 regulations for the installation of external lighting and optical signal devices for automobiles and trailers
It is understood that GB4785-2007 "Installation Regulations for External Lighting and Light Signal Devices for Automobiles and Trailers" has revised 11 major improvements to the standard.
1. Add 3.31: "Dramper trailer marker lamp markerlampfordraw-bar-trailer", installed in the front of the towbar trailer, the front white and red sign lights, used to assist other signal lights, indicating the presence of the vehicle.
2. Add 4.1.11: "The circuit connection shall be such that the front position light, the rear position light, the position light (if installed), the side indicator light (if installed), the license plate light and the towbar trailer light can only be turned on at the same time or Closed. However, the above situation does not apply when the current position light, rear position light, side marker light is used as a parking light (composite or hybrid) and the side marker light is allowed to flash.
3. Add 4.1.21: “The number of installations of lamps on the vehicle shall comply with the corresponding provisions in 4.3.1~4.3.21. (due to the addition of 4.3.20 “emergency braking signal†and 4.3.21 “traction rod trailer sign†light")
4. Add 4.1.23: “All rear position lights, rear turn signal lights and brake lights of trucks, special work vehicles and trailers with a total mass of not less than 4500 kg shall have a translucent surface area not less than an area of ​​80 mm diameter circle. If the translucent surface is not circular, it should be shaped to accommodate a 40mm diameter circle.
5. Add 4.3.3.5: "............... except for the 5th and 6th type side turn signals, the unobstructed viewing of the other lamps must be no less than 12.5cm?? 2 (excluding any opacity) The retroreflector illuminating surface) is not applicable to luminaires that comply with the provisions of 4.1.23."
6. Add Article 4.3.7.5: "............... In order to be visible, the unobstructed viewing surface of the lamp must be no less than 12.5cm-?2 (excluding any opaque retroreflector illuminating surface). Lamps that comply with the provisions of 4.1.2 are not applicable."
7. Table 1, add a row to the table:
8. Add Articles 4.3.21 to 4.3.21.9: "
4.3.21 "Trailer Trailer Marking Light" 4.3.21.1 Equipment: The towbar trailer must be installed. Installation of other vehicles is prohibited.
4.3.21.2 Quantity: 2 only.
4.3.21.3 Layout: No special requirements.
4.3.21.4 Installation location
4.3.21.4.1 Transverse: The distance from the point on the apparent surface farthest from the longitudinal symmetry plane of the vehicle to the outer edge of the trailer shall be less than 150 mm.
4.3.21.4.2 Height: The height of the front panel of the trailer is not less than 300mm and not more than 400mm.
4.3.21.4.3 Vertical: Located at the front of the trailer.
4.3.21.5 Geometric visibility: no special requirements.
4.3.21.6 Direction: The white light-emitting surface faces the front of the vehicle, and the red light-emitting surface faces the rear of the vehicle.
4.3.21.7 Circuit connection: as specified in 4.1.11.
4.3.21.8 Indicator: Optional. If installed, its function should be completed by the front and rear position indicators.
4.3.21.9 Other requirements: The luminous intensity of the towbar trailer marking light in the direction of the reference axis shall comply with the light distribution requirements of the front and rear profiles in Table 1 of GB5920. â€
9. Add Figure 19:
10. Normative reference documents, adding: "GB5920 car and trailer front position light, rear position light, position light and brake light distribution performance"
11. Special provisions 4.3.1.9, changed to "Other requirements: open the headlights at the same time, the total maximum luminous intensity of the high beam should not exceed 225000cd." Change to "Other requirements: open the headlights at the same time, its The total maximum high beam luminous intensity should not exceed 430,000 cd."
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