1、SAE-J910ADOPTION NOTICESAE-J910, “SWITCH, HAZARD WARNING SIGNAL“, was adopted on04-APR-90 for use by the Department of Defense (DoD). Proposedchanges by DoD activities must be submitted to the DoD AdoptingActivity: Commander, Defense Supply Center Philadelphia, ATTN:DSCP-ITAA, 700 Robbins Avenue, Ph
2、iladelphia, PA 19111-5096. Copies of this document may be purchased from the Society ofAutomotive Engineers 400 Commonwealth Drive Warrendale,Pennsylvania, United States, 15096-0001. http:/www.sae.org/_Custodians: Adopting Activity:DLA - ISArmy - ATDLA - ISFSC 6220DISTRIBUTION STATEMENT A: Approved
3、for public release; distributionis unlimited.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 entirelyvoluntary, and its applicability and suitability for any particular use, inclu
4、ding 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 be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.QUESTIONS REGARDING THIS DOCUMENT: (412) 77
5、2-8512 FAX: (412) 776-0243TO PLACE A DOCUMENT ORDER; (412) 776-4970 FAX: (412) 776-0790http:www.sae.orgCopyright 1988 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001STANDARDAn American National StandardJ910REV
6、.OCT88Issued 1965-01Revised 1988-10Superseding J910 OCT77(R) HAZARD WARNING SIGNAL SWITCHForewordThis Document has not changed other than to put it into the new SAE Technical Standards BoardFormat.1. ScopeThis standard defines the test conditions, procedures and performance specifications for 6, 12
7、and24-V manually actuated hazard warning signal switch.2. References2.1 Applicable PublicationThe following publication forms a part of the specification to the extent specifiedherein. Unless otherwise indicated the lastest revision of SAE publications shall apply.2.1.1 SAE PUBLICATIONAvailable from
8、 SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.SAE J589bTurn Signal Switch3. Definitions3.1 Hazard Warning SwitchAn operator actuated device whose function is to cause at least one turn signallamp on the left and right of the front, and left and right of the rear of the vehicle to flash sim
9、ultaneously toindicate to the approaching driver the presence of a vehicular hazard.3.2 Combination Turn Signal and Hazard Warning Signal3.2.1 A combination switch is defined as a hazard warning switch combined in the same housing as the turn signalswitch.3.2.2 The operating motion of the hazard war
10、ning signal switch function shall differ from the actuating motion ofthe turn signal function.SAE J910 Revised OCT88-2-4. Test Requirements4.1 Test Equipment and Instrumentation4.1.1 POWER SUPPLYThe power supply shall not generate any adverse transients not present in motor vehicles,and shall comply
11、 with the following specifications:a. Output CurrentThe power supply shall be capable of supplying the continuous current of the designelectrical load and the in-rush current, as required by the bulb load complement.b. Output Regulation:DynamicThe dynamic output voltage at the supply shall not devia
12、te more than 1.0 V from zero tomaximum load (including in-rush current) and shall recover 63% of its maximum excursion within100milliseconds.StaticThe static output voltage at the supply shall not deviate more than 2% with changes in staticload from zero to maximum (not including in-rush current), a
13、nd means shall be provided tocompensate for static input line voltage variations.c. Ripple VoltageThe ripple output voltage shall be a maximum of 300 mV peak-to-peak.4.1.2 VOLTMETERA voltmeter with a 0-30 V maximum full scale deflection and 1/2% accuracy should be used. NOTEA digital meter having at
14、 least a 3-1/2 digit readout with an accuracy of 1% plus 1 digit isrecommended for mV readings4.1.3 AMMETERCapable of carrying full system load current, with an accuracy of 3%.4.2 Test ProceduresIt is essential to duplicate specific environmental conditions under which the device isexpected to funct
15、ion.4.2.1 ELECTRICAL LOADS4.2.1.1 The design load applied to the switch is the electrical load specified by the quantity and type of bulbs (orother electrical load devices) to be operated by each circuit of the hazard warning signal switch.4.2.1.2 The switch shall be operated with the maximum design
16、 bulb load stated by the switch manufacturer withthe flasher not included in the circuit unless the flasher is an integral part of the assembly.4.2.1.3 The switch shall be operated at 6.4 V DC 0.2 V DC for a 6-V system, 12.8 V DC 0.2 V DC for a12-Vsystem, or 25.6 V DC 0.2 V DC for a 24-V system. The
17、se voltages shall be the open circuit voltagemeasured at the input termination on the switch.4.2.2 TEMPERATURE TEST PROCEDURE4.2.2.1 The switch shall be manually cycled after a 1-h exposure with no electrical load at each of thesetemperatures: 25 C 5 C; 74 +0, 3 C; 32 +3, 0 C. The switch shall be ma
18、nually cycled at eachtemperature for 10 cycles at the designed loads.4.2.2.2 The same hazard warning signal switch shall be used for the described endurance test described in 4.2.3.SAE J910 Revised OCT88-3-4.2.3 ENDURANCE TEST PROCEDURE4.2.3.1 The switch shall be electrically connected to operate it
19、s design load for 7500 cycles at a temperature of25C 5 C, followed by a 1-h “on“ at a temperature of 25 C 5 C.4.2.3.2 One complete cycle shall consist of sequencing it through each position (with dwell in each position): Off,On, Off.4.2.3.3 The test equipment shall be arranged to provide the followi
20、ng switch operating time requirements:Travel Time0.10.5 s (time from one position to next)Dwell Time1.02.0 s (time in each position)Make and Break Rate130150 mm/s4.2.4 VOLTAGE DROP TEST PROCEDURE4.2.4.1 The voltage drop from the input terminals to the corresponding output terminals shall be measured
21、 at thebeginning of the test and immediately after the endurance test. Cycling the switch three times prior totaking readings is permitted and the reading should be taken right after cycling. A total of five readings canbe taken and the average reading will prevail.4.2.4.2 If wiring is an integral p
22、art of the switch, the voltage drop measurement shall be made including 75 mm 6mm of wire on each side of the switch; otherwise, the measurement shall be made at the switchterminals.5. Performance Requirements5.1 During and after each of the tests described in 4.2.2 and 4.2.3, the switch shall be el
23、ectrically and mechanicallyoperable.5.2 Combination Turn Signal and Hazard WarningThe same combination switch shall be used for the test ofeach function. The hazard warning switch shall meet the requirements of this standard. The turn signal switchshall meet the requirements of SAE J589.5.3 The volt
24、age drop shall not exceed 0.30 volts.6. Notes6.1 This document has been adopted by the Department of Defense. Any revisions must be coordinated with theMilitary preparing/coordinating activity. The responsible Military Agency is Military Coordinating Activity: Army- AT.6.2 Marginal IndiciaThe change
25、 bar (l) located in the left margin is for the convenience of the user in locatingareas where technical revisions have been made to the previous issue of the report. An (R) symbol to the leftof the document title indicates a complete revision of the report.PREPARED BY THE SAE AUXILIARY DEVICES SUBCO
26、MMITTEE OF THE SAE LIGHTING COMMITTEESAE J910 Revised OCT88RationaleThe last revision was in 1971. This revision incorporates a change in the organization and formatof the technical contents, consistent with other SAE Standards and Recommended Practices. It alsoproposes a realistic set of performanc
27、e criteria which will serve as minimum acceptable performancestandards representing the present state-of-the-art in switch technology.Relationship of SAE Standard to ISO StandardNot applicable.ApplicationThis standard defines the test conditions, procedures and performance specifications for 6, 12and 24-V manually actuated hazard warning signal switch.Reference SectionSAE J589bTurn Signal SwitchDeveloped by the SAE Auxiliary Devices SubcommitteeSponsored by the SAE Lighting Committee
