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 ther
2、efrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2015 SAE International All rights reserved. No part of this
3、publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-49
4、70 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/J1319_201510 SURFACE VEHICLE RECOMMENDED PRACTICE J1319 OCT2015 Issued 1987-08 R
5、evised 2015-10 Superseding J1319 AUG2010 Rear Fog Lamp Systems RATIONALE The intent of the 2010 revision to SAE J1319 was to create a new photometric table to allow an incandescent rear fog lamp designed to meet photometric values specified in United Nations (UN) Regulation 38 to also meet the photo
6、metric values contained in this standard. The photometric values shown in Figure 1 were lower than the UN. Regulation 38 values to account for differences between the UN. Test voltage of 13.5 volts versus the design voltage of 12.8 volts for incandescent light sources typically used in rear fog lamp
7、s at that time. With these changes, SAE J1319 and UN Regulation 38 were harmonized with respect to photometric values for rear fog lamps utilizing incandescent light sources. However, L.E.D. light sources that may operate at constant current were were not fully considered in the 2010 update of SAE J
8、1319. Rear fog lamps utilizing L.E.D. light sources may provide the same light output at any given test point throughout a range of voltages. An L.E.D. rear fog lamp designed to meet the minimum photometric values of UN Regulation 38 would be able to meet the lowered photometric values in Figure 1 o
9、f the 2010 version of this standard. The issue needing to be addressed is that L.E.D. rear fog lamps fulfilling the UN Regulation 38 requirement that the maximum luminous intensity in which all directions in which the lamp can be observed designed is 300 cd per lamp can fail the 250 cd maximum lumin
10、ous intensity value shown Note 1 of Figure 1 of the 2010 version of this standard. This is because the light output of rear fog lamps utilizing L.E.D. light sources may not be reduced in the same manner that occurs in rear fog lamps utilizing incandescent light sources. Accordingly, Note 1 of Figure
11、 1 of this standard has been revised to read “The maximum luminous intensity in all direction in which the lamp(s) can be observed is 300 cd per lamp.” With this change, SAE J1319 and UN Regulation 38 are harmonized with respect to photometric values for rear fog lamps utilizing incandescent light s
12、ources and/or L.E.D. light sources. Section 3.3 L.E.D. definition added. 6.1.7 Color section renumbered to 6.2 to coincide with 5.2 Color Test. Subsequent section numbers adjusted accordingly. FOREWORD UN Regulation 38, Revision 3, Rear Fog Lamps is similar to this Recommended Practice. SAE INTERNAT
13、IONAL J1319 OCT2015 Page 2 of 5 1. SCOPE This SAE Recommended Practice provides test procedures, requirements, and guidelines for rear fog lamp systems. 2. REFERENCES 2.1 Applicable Documents The following publications form a part of this specification to the extent specified herein. Unless otherwis
14、e indicated, the latest issue of SAE publications and the latest revision of UN Regulation 38 shall apply. 2.1.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.o
15、rg. SAE J567 Light Source Retention System SAE J575 Test Methods and Equipment for Lighting Devices for Use on Vehicles Less than 2032 mm in Overall Width SAE J576 Plastic Material or Materials for Use in Optical Parts Such as Lenses and Reflex Reflectors of Motor Vehicle Lighting Devices SAE J578 C
16、olor Specification SAE J585 Tail Lamps (Rear Position Lamps) for Use on Motor Vehicles Less than 2032 mm in Overall Width SAE J759 Lighting Identification Code 2.1.2 ECE Publication Available from United Nations Economic Commission for Europe, Palais des Nations, CH1211, Geneva 10, Switzerland, Tel:
17、 +41-0-22-917-12-34, www.unece.org. UN Regulation 38 Uniform Provisions Concerning the Approval of Rear Fog Lamps for Power-Driven Vehicles and Their Trailers 2.2 Related Publications The following publications are provided for information purposes only and are not a required part of this SAE Techni
18、cal Report. 2.2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. SAE J1889 L.E.D. Signal and Marking Lighting Devices SAE J2139 Tests for Signal and Marking
19、 Devices Used on Vehicles 2032 mm or More in Overall Width SAE INTERNATIONAL J1319 OCT2015 Page 3 of 5 3. DEFINITIONS 3.1 REAR FOG LAMP A lighting device providing a continuous red light of higher intensity than a tail lamp (SAE J585) for the purpose of marking the rear of a vehicle during fog or si
20、milar conditions of reduced visibility. 3.2 REAR FOG LAMP SYSTEM One or two rear fog lamps with their respective wiring, connectors, switch, and a function indicator. 3.3 L.E.D. A pn junction semiconductor device that emits incoherent optical radiation when forward biased. The optical emission may b
21、e in the ultraviolet, visible, or infrared wavelength regions. (ANSI definition). 4. LIGHTING IDENTIFICATION CODE Rear Fog lamps shall be identified by the code F2 in accordance with SAE J759. 5. TESTS 5.1 SAE J575 is a part of this report. The following tests are applicable: 5.1.1 Vibration Test 5.
22、1.2 Moisture Test 5.1.3 Dust Test 5.1.4 Corrosion Test 5.1.5 Photometry Test 5.1.5.1 Photometric measurements shall be made with light source of the lamp at least 3 m from the photometer. The H-V axis shall be taken as parallel to the axis of reference of the lamp as mounted on the vehicle. 5.1.6 Wa
23、rpage Test for Devices with Plastic Components 5.2 Color Test 5.2.1 SAE J578 is a part of this report. 6. REQUIREMENTS 6.1 Performance Requirements A device, when tested in accordance with the test procedures specified in Section 5, shall meet the following requirements with the modifications indica
24、ted: 6.1.1 Vibration SAE J575. 6.1.2 Moisture SAE J575. SAE INTERNATIONAL J1319 OCT2015 Page 4 of 5 6.1.3 Dust SAE J575. 6.1.4 Corrosion SAE J575. 6.1.5 Photometry SAE J575. 6.1.5.1 The lamp shall meet the photometric performance requirements contained in Figure 1 and its footnotes. Figure 1 - Photo
25、metric requirements minimum luminous intensity (cd) 6.1.6 Warpage SAE J575. 6.2 Color The color of light from a rear fog lamp shall be red as specified in SAE J578. 6.3 Materials Requirements Plastic materials used in the optical parts shall meet the requirements of SAE J576. SAE INTERNATIONAL J1319
26、 OCT2015 Page 5 of 5 6.4 Design Requirements 6.4.1 A rear fog lamp shall not be optically combined with any lamp other than a tail lamp. 7. GUIDELINES The following guidelines are intended to provide optimal performance of the system and uniformity in use but shall not be considered part of the requ
27、irements. 7.1 Installation Guidelines The user is cautioned that the mounting and use of rear fog lamps are specified by various regulatory agencies. 7.1.1 The illuminated edge of a rear fog lamp lens should be no closer than 100 mm from the illuminated edge of any stop lamp lens when projected on a
28、 vertical transverse plane. 7.1.2 The rear fog lamp system should consist of either: (a) one lamp mounted on or to the left of a vertical plane through the longitudinal centerline of the vehicle, or (b) two lamps symmetrically located about the vehicle centerline. 7.1.3 The rear fog lamp system shou
29、ld be wired so that it can be turned on only when the headlamps and/or front fog lamps are on, and should have a switch that allows the rear fog lamp to be turned off when headlamps are on. 7.1.4 Visibility of the rear fog lamp should not be obstructed by any part of the vehicle throughout the photo
30、metric test angles for the lamp unless the lamp is designed to comply with all photometric and visibility requirements with these obstructions considered. The signal from the lamp should be visible through a horizontal angle from 45 degrees to the left to 45 degrees to the right. 7.1.5 The rear fog
31、lamp system should include a continuous yellow indicator that illuminates when the system is switched on that should be mounted in a location readily visible to the driver of the vehicle. 7.2 Rear Fog Lamp Switching The rear fog lamp(s) shall not be able to be activated unless the vehicles parking,
32、tail, side marker, and license plate lamps are illuminated. The rear fog lamp(s) shall be illuminated only by specific, deliberate action, shall not be illuminated by the switching on of any other lighting function, and shall be able to be switched off independently of any other lighting function. T
33、he rear fog lamp(s) shall switch off and remain off until deliberately switched on again when the vehicles ignition or parking lamps are switched off, except that if the parking lamps or ignition is switched off for less than 30 seconds, the rear fog lamp(s) may remain illuminated. 8. NOTES 8.1 Revi
34、sion Indicator A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. PREPARED BY THE SAE SIGNALING AND MARKING DEVICES STANDARDS COMMITTEE
