1、SURFACE VEHICLERECOMMENDED PRACTICEJ2139 DEC2014Issued 1994-01Revised 2014-12Superseding J2139 APR2013Tests for Signal and Marking Devices Used on Vehicles2032 mm or More in Overall WidthRATIONALEChanged 4.5.2.7.7 - Photometric measurements and scan shall be performed with the light source(s) steady
2、 burning. The luminous intensity measurements (in candela) shall be recorded for each of the test points and zones specified for the function of the device under test. This is consistent with SAE J575Changed 4.10.2.2 to reference SAE J1455 instead of SAE J1889. Tests are very similar and was already
3、 referencing J1455 for the temperatures.Added 5.5.1.1 - For any signal and marking device, unless otherwise specified in the applicable SAE document, the minimum luminous intensity (candela) requirement between any two adjacent test points shall be no less than 60% of the lower specified minimum val
4、ue of the two test points on a horizontal or vertical or diagonal line. The specified minimum value is defined by the individual test point value not the zonal value. This is consistent with SAE J5751. SCOPEThis SAE Recommended Practice provides standardized laboratory tests, test methods, and perfo
5、rmance requirements applicable to signal and marking devices used on vehicles 2032 mm or more in overall width.2. REFERENCES2.1 Applicable DocumentsThe following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publica
6、tions shall apply.2.1.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.SAE J387 Terminology - Motor Vehicle LightingSAE J577 Vibration Test Machine and Operation
7、 ProcedureSAE J1330 Photometry Laboratory Accuracy GuidelinesSAE J1455 Recommended Environmental Practices for Electronic Equipment Design in Heavy-Duty Vehicle Applications_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engin
8、eering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may b
9、e revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2014 SAE InternationalAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, pho
10、tocopying, recording, or otherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: +1 724-776-4970 (outside USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feed
11、backon this Technical Report, please visithttp:/www.sae.org/technical/standards/J2139_201412 SAE INTERNATIONAL J2139 Revised DEC2014 Page 2 of 16SAE J1889 L.E.D. Signal and Marking Lighting DevicesSAE J2357 Application Guidelines for Electronically Driven and/or Controlled Exterior Automotive Lighti
12、ng EquipmentSAE J2721 Recommended Corrosion Test Methods for Commercial Vehicle Components2.1.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.orgASTM B 117 Method of Salt Spray (Fog) TestingASTM
13、 C 150-84 Specification for Portland CementASTM E 308-85 Standard Method for Computing the Colors of Objects by Using the CIE System2.1.3 ISO PublicationsAvailable from American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org.ISO 20653:2006
14、 Road vehicles - Degrees of protection (IP-Code) - Protection of electrical equipment against foreign objects, water and access2.2 Related Documents2.2.1 SAE PublicationsSAE J575 Test Methods and Equipment for Lighting Devices for Use on Vehicles Less than 2032 mm in Overall WidthSAE J576 Plastic Ma
15、terial or Materials for Use in Optical Parts Such as Lenses and Reflex Reflectors of Motor Vehicle Lighting DevicesSAE J578 Color SpecificationSAE J2577 Heavy Duty Lamp Electrical Connector Standard3. DEFINITIONS3.1 DISCHARGE SIGNAL LIGHTING (DSL) SYSTEMA vehicular lighting system used in signal and
16、 marking applications. The DSL system is composed of a discharge light source, interconnecting wiring, and a signal or marking lighting assembly.3.2 DISCHARGE LIGHT SOURCEAn electric light source in which light is produced by a stabilized electric discharge through an ionized gas. The light source c
17、onsists of a sealed glass/tube envelope wall and ballast. The size, shape, and color will depend on the application. (For example, but not limited to: neon, or fluorescent lamps.)SAE INTERNATIONAL J2139 Revised DEC2014 Page 3 of 163.3 LIGHT EMITTING DIODE (LED) LIGHTING DEVICEA lighting device in wh
18、ich light is produced by an LED or an array of LEDs.3.4 LIGHTING DEVICE LIGHT CENTERThe geometric center of the light source or sources used to illuminate the device function or the geometric center of the illuminated area if the light output is produced indirectly.3.5 INCANDESCENT LIGHTING DEVICEA
19、lighting device in which light is produced by a filament being heated to incandescence by an electrical current.3.6 INTEGRATED ELECTRONIC COMPONENTElectronic component(s) integrated within the housing of the lamp assembly or physically inseparable from the lighting device used to produce the desired
20、 output.3.7 SAMPLESSamples submitted for test shall be representative of the device as regularly manufactured and marketed. Each sample shall be securely mounted on the test fixture in its design position and shall include all accessory equipment necessary tooperate the device in its normal manner.3
21、.8 SEALED LIGHTING DEVICESA lighting device that does not allow the passage of gas or water between the interior environment and the exterior environment. 3.9 TEST FIXTUREFixture specifically designed to support the device in its designed operating position during a laboratory test.3.10 VIBRATION TE
22、ST FIXTUREA fixture specifically designed to support the device in its operating position during the vibration test. The fixture shall not have a resonant frequency in the test range.4. TESTSThe following sections describe the individual tests which need not be performed in any particular sequence,
23、except as noted in the test procedure. Unless otherwise specified all tests will be done at an ambient room temperature of 25 C 5 C. The completion of the tests may be expedited by performing the tests simultaneously on separately mounted samples. However, it is recommended that the design of each d
24、evice be evaluated to determine if the vibration test or the warpage test affect other tests, in which case, those tests shall be performed first.4.1 Vibration TestThis test evaluates the ability of the sample device to resist damage from vibration-induced stresses. This test is not intended to test
25、 the vibration resistance of bulb filaments, but may be used to evaluate the effects of vibration-induced stresses on shock-mounted devices.4.1.1 Vibration Test Procedures4.1.1.1 The DUT (Device Under Test), as mounted on the support supplied, shall be bolted to the anvil end of the table of the SAE
26、 J577 vibration test machine.4.1.1.2 Test duration is 60 +1/0 min.SAE INTERNATIONAL J2139 Revised DEC2014 Page 4 of 164.2 Moisture Intrusion TestsChoose one or more of the following tests in sections 4.2.1, 4.2.2 or 4.2.3 based on product application and with agreement between the manufacturer and c
27、ustomer4.2.1 Water-Spray Moisture TestThis test procedure shall be used to test the ability of the device to resist moisture leakage into the device from a water spray and to determine the drainage capability of the device with drain holes or other exposed openings in the device. 4.2.1.1 Water-Spray
28、 Moisture Test Equipment4.2.1.1.1 The water-spray cabinet shall be equipped with one or more nozzles which provides a solid cone of water spray of sufficient included angle to completely cover the DUT. The centerline of the nozzle shall be directed downward at an angle of 45 degrees 5 degrees to the
29、 vertical axis of the rotating test platform.4.2.1.1.2 The precipitation rate of the water spray at the DUT shall be 2.5 +1.6/0.0 mm minimum per minute as measured with a vertical cylindrical collector centered on the vertical axis of rotation. The collector shall be 100 mm high and the inside diame
30、ter shall be a minimum of 140 mm.4.2.1.1.3 The DUT shall rotate about its vertical axis at a rate of 4.0 rpm 0.5 rpm.4.2.1.2 Water-Spray Moisture Test Procedures4.2.1.2.1 The DUT shall be mounted and tested in the design position and in accordance with the manufacturers instructions.4.2.1.2.2 All dr
31、ain holes, slots, and other openings shall remain open during the test.4.2.1.2.3 Devices which have a portion protected in service may have that portion of the exterior surface of the DUT protected in the same manner during the test.4.2.1.2.4 The test duration shall be a minimum of 12 h.4.2.1.2.5 At
32、 the end of the water-spray test period, the rotation, the electrical supply, and the water spray shall be turned off and the DUT allowed to drain for a maximum of 1 hour in the closed cabinet.4.2.1.2.6 Upon completion of the drain period, the interior of the DUT shall be observed for moisture accum
33、ulation. If a standing pool of water has formed, or can be formed by tapping or tilting the DUT, the accumulated moisture shall be extracted and measured.4.2.1.2.7 Alternate Method for Determining Moisture Accumulation Within the DeviceThe DUT before testing shall be weighed and the weight in grams
34、recorded. Upon the completion of the drain period, the DUT shall be wiped dry of any exterior moisture and the DUT reweighed to determine the amount of water inside.4.2.2 Water-Submersion Moisture TestThis test procedure shall be used to test devices designed to be sealed lighting devices.4.2.2.1 Wa
35、ter-Submersion Moisture Test Equipment4.2.2.1.1 A tank large enough to completely submerge the DUT to a depth of 50 mm measured from the top of the device is required.4.2.2.1.2 The tank shall be filled with a mixture of water and wetting agent. The concentration of the mixture shall be sufficient to
36、 eliminate air bubble formation on the surface of the DUT.SAE INTERNATIONAL J2139 Revised DEC2014 Page 5 of 164.2.2.2 Water-Submersion Moisture Test Procedures4.2.2.2.1 The DUT shall be maintained at ambient room temperature until conditions have stabilized before testing.4.2.2.2.2 The DUT shall be
37、completely submerged to a depth of not less than 50 mm measured from the top of the device.4.2.2.2.3 Test duration shall be a minimum of 1 minute.4.2.2.2.4 The DUT shall be observed for air bubbles forming or escaping from the sealed portion of the DUT.4.2.2.2.5 Throughout the test, the tank tempera
38、ture shall be maintained at 70 C + 5 C/0 C.4.2.3 IP rated Sealing test4.2.3.1 The DUT shall be tested to IPX6 or greater as is specified in ISO 20653 4.3 Dust Integrity TestsThis test evaluates the ability of the device to resist dust penetration, which could significantly affect the photometric out
39、put. Choose one or more of the following tests in sections 4.3.1 or 4.3.2 based on product application and with agreement between the manufacturer and customer 4.3.1 SAE Dust Test4.3.1.1 Dust Test Equipment4.3.1.1.1 The interior of the test chamber shall be cubical in shape with measurements of 0.9
40、to 1.5 m per side. The bottom of the hopper may be cone shaped to aid in the collection of the dust.4.3.1.1.2 The internal chamber volume, not including a hopper-shaped bottom, shall be 2 m3maximum and shall be charged with 3 to 5 kg of the test dust.4.3.1.1.3 The chamber shall have the capability o
41、f agitating the test dust by means of compressed air or blower fans in such a way that the dust is diffused throughout the chamber.4.3.1.1.4 The test dust used shall be fine-powdered cement in accordance with ASTM C 150.4.3.1.2 Dust Test Procedures4.3.1.2.1 The DUT shall be mounted and tested in the
42、 design position and in accordance with the manufacturers instructions.4.3.1.2.2 All drain holes, slots, and other openings shall remain open during the test.4.3.1.2.3 Devices which have a portion protected in service may have that portion of the exterior surface of the DUT protected in the same man
43、ner during the test.4.3.1.2.4 Before the dust test, the luminous intensity at H-V shall be measured and the intensity recorded.4.3.1.2.5 The mounted DUT shall be placed no closer than 150 mm from a wall of the dust chamber. Devices with a length exceeding 600 mm shall be horizontally centered in the
44、 test chamber.4.3.1.2.6 The test dust shall be agitated as completely as possible by compressed air or blower(s) for 2 to 15 s at intervals of 15 min. The dust shall be allowed to settle between agitation periods.4.3.1.2.7 The test duration shall be a minimum of 5 h.SAE INTERNATIONAL J2139 Revised D
45、EC2014 Page 6 of 164.3.1.3 Upon completion of the dust test, the exterior of the lamp shall be cleaned and the luminous intensity at H-Vmeasured.4.3.2 IP Rated Dust Test4.3.2.1 The DUT shall be subjected to IP6X as specified in ISO 20653:4.4 Corrosion TestThis test evaluates the ability of exterior-
46、mounted devices to resist salt corrosion which would impair the functional characteristics of the device.4.4.1 Corrosion Test Equipment4.4.1.1 A salt-spray (fog) cabinet, operating at the conditions specified by ASTM B 117 shall be used.4.4.2 Corrosion Test Procedures4.4.2.1 The DUT shall be mounted
47、 and tested in the design position and in accordance with the manufacturers instructions.4.4.2.2 All drain holes, slots, and other openings shall remain open during the test.4.4.2.3 Devices which have a portion protected in service may have that portion of the exterior surface of the DUT protected i
48、n the same manner during the test.4.4.2.4 The test duration shall be a minimum of 240 .h4.4.3 Additional Corrosion Testing4.4.3.1 For products deemed to have high susceptibility to corrosion consideration should be given to using SAE J2721 Recommended Corrosion Test Methods for Commercial Vehicle Co
49、mponents4.5 Photometry TestThis test measures the luminous intensities at test points throughout the light distribution pattern as specified by the applicable SAE Publication for the sample device.4.5.1 Photometric Test Equipment4.5.1.1 The positioner (goniometer) configuration shall be capable of positioning the sample device at the test point posit
