SAE J2040-2002 Tail Lamps (Rear Position Lamps) for Use on Vehicles 2032 mm or More in Overall Width.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. TO PLACE A DOCUMENT ORDER: +1 (724) 776-4970 FAX: +1 (724) 776-0790 SAE WEB ADDRESS h
3、ttp:/www.sae.org Copyright 2002 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 STANDARD J2040 REV. MAR2002 Issued1991-06 Revised2002-03 Superseding J2040 MAR2000 Tail Lamps (Rear Position Lamps) for Use on
4、 Vehicles 2032 mm or More in Overall Width 1.ScopeThis SAE Standard provides test procedures, requirements, and guidelines for tail lamps intended for use on vehicles 2032 mm or more in overall width. Tail lamps conforming to the requirements of this document may also be used on vehicles less than 2
5、032 mm in overall width. 2.References 2.1Applicable PublicationsThe following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply. 2.1.1SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive,
6、Warrendale, PA 15096-0001. SAEJ576Plastic Material for Use in Optical Parts Such as Lenses and Reflectors of Motor Vehicle Lighting Devices SAE J578Color Specification SAE J759Lighting Identification Code SAEJ2139Tests for Lighting Devices, Reflective Devices and Components Used on Vehicles 2032 mm
7、or More in Overall Width 2.2Related PublicationsThe following publications are provided for information purposes only and are not a required part of this document. Attention is called to the following documents for additional information on lamp design and installation requirements. 2.2.1SAE PUBLICA
8、TIONAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J387Terminology Motor Vehicle Lighting SAE J567Lamp Bulb Retention System for Requirements and Gages used in Retention System Design SAE J1330Laboratory Accuracy Guidelines SAE J1889L.E.D. Lighting Devices SAE830566Motor
9、Vehicle Conspicuity, R. L. Henderson, K. Ziedman, W.J. Burger, and K.E. Cavey, National Highway Traffic Safety Administration SAE J2040 Revised MAR2002 -2- 2.2.2FMVSS PUBLICATIONSAvailable from the Superintendent of Documents, U. S. Government Printing Office, Mail Stop: SSOP, Washington, DC 20402-9
10、320. Federal Motor Vehicle Safety Standard 49CFR 571.108 Federal Highway Administration 49CFR part 393 Subpart B 2.2.3TMC AND TTMA PUBLICATIONSAvailable from The Maintenance Council, American Trucking Associations, 2200 Mill Road, Alexandria, VA 22314-5388. TTMA #RP-9Location of Lighting Devices for
11、 Trailers TMC #RP-702ATrailer Lamp and Reflector Placement TMC #RP-704BHeavy Duty Lighting Systems for Trailers TMC #AV 7-1Heavy Duty Lighting Systems for Trailers 3.Definitions 3.1Tail LampA lamp used to designate the rear of a vehicle by a steady burning low-intensity light. 3.2Stop LampA lamp giv
12、ing a steady light to the rear of a vehicle to indicate the intention of the operator of the vehicle to stop or diminish speed by the application of the service brakes. 3.3Turn Signal LampThe signaling element of a turn signal system which indicates intent to change vehicle direction by giving a fla
13、shing light on the side toward which the turn or lane change will be made. 3.4Clearance LampLamps mounted on the permanent structure of the vehicle as near as practicable to the upper left and right extreme edges that provide light to the front or rear to indicate the overall width and height of the
14、 vehicle. 4.Lighting Identification CodeTail lamps for use on vehicles 2032 mm or more in overall width may be identified by the code “T2” in accordance with SAE J759. 5.Tests 5.1Tests for Lighting Devices, Reflective Devices, and Components Used on Vehicles 2032 mm or More in Overall WidthSAE J2139
15、 is a part of this document. The following tests are applicable with modification as indicated. 5.1.1VIBRATION 5.1.2MOISTURE 5.1.3DUST 5.1.4CORROSION 5.1.5PHOTOMETRYPhotometric measurements shall be made with the light source of the device at least 3 m from the photometer. 5.1.5.1The H-V axis of the
16、 device shall be taken to be parallel to the longitudinal axis of the vehicle, when the device is mounted in its design position. 5.1.5.2Photometric measurements shall be made with the light source steadily burning. Photometric measurements of multiple lamp arrangements may be made by either of the
17、following methods. SAE J2040 Revised MAR2002 -3- 5.1.5.2.1All lamps shall be photometered together provided that a line from the light source of each lamp to the center of the photometer sensing device does not make an angle of more than 0.6 degrees with the photometer H-V axis. When lamps are photo
18、metered together, the H-V axis shall intersect the midpoint between the extreme light sources. 5.1.5.2.2Each lamp shall be photometered separately by aligning the axis of each lamp with the axis of the photometer. The photometric measurement for the entire multiple lamp arrangement shall be determin
19、ed by adding the photometric outputs from each individual lamp at its corresponding test point. 5.1.6WARPAGE TEST ON DEVICES WITH PLASTIC COMPONENTS 5.2ColorSAE J578 is a part of this document. 5.3Plastic MaterialsSAE J576 is a part of this document. 6.Requirements 6.1Performance RequirementsThe dev
20、ice when tested in accordance with the test procedures of this document shall meet the requirements of SAE J2139 or as indicated. 6.1.1VIBRATION 6.1.2MOISTURE 6.1.3DUST 6.1.4CORROSION 6.1.5The lamp shall be designed to conform to the zone total photometric requirements of Table 1 and its footnotes.
21、The summation of the luminous intensity measurements at the test points in a zone shall be at least the value shown. 6.1.5.1An arrangement of lamps may be used to meet the photometric requirements of Table 1 provided the distance between adjacent light source does not exceed 560 m for two lamp arran
22、gements or does not exceed 410 mm for multiple lamp arrangements. If the distance between light sources exceeds those distances detailed previously then, each lamp shall individually comply with the photometric requirements of Table 1. 6.1.5.2When a tail lamp is combined with the stop lamp or turn s
23、ignal lamp, the stop lamp or turn signal lamp intensity shall be not less than three times the luminous intensity of the tail lamp at any test point, except that at H-V, H-5L, H-5R, and 5U-V, the stop lamp or turn signal lamp intensity shall be not less than five times the luminous intensity of the
24、tail lamp. When a tail lamp is combined with the stop lamp or turn signal lamp, and the maximum luminous intensity of the tail lamp is located below the horizontal and is within an area generated by a 1.0 degree radius around the test point, the ratio for the test point may be computed using the low
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