1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards EMINI RELAY TEST PROCEDURE (RELAY A. - SPST) Do Not Use on New Programs. Being Replaced by GMW15267 EDS-T-5249 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 3 (Superceded) EDS-T-5249EMINI RELAY TEST PR
2、OCEDURE (RELAY A. - SPST) PAGE: 1/4 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 3 GM DAEWOO Auto & Technology Note: This standard may be applied only for current project (incl. T255 Program). It is Superceded for all future projects and replaced by GMW15267. 1. PURPOSE This standar
3、d aims at determining the conditions of performance test, environmental test and durability test of the SPST 280 mini relay to be mounted on the vehicles. To this relay, the technical delivery conditions in EDS-T-5249 apply. The relay shall be manufactured to meet the safety regulations which are re
4、quired on occasions. 2. NUMBER OF SAMPLES For mass production test and sample test according to this standard, 24 or more relays with serial numbers according to the manufacturing certificate of DIN 50049 shall be provided. For some submitted test samples, the allowable deviation by litter may be sp
5、ecified for all necessary characteristics. In case these preconditions for the sample are not sufficient, the allowable deviation by litter for each necessary characteristic shall be specified on the certificate regardless of individual measurement result. 3. QUALITY CONTROL For the control of produ
6、ction quality and specification of this test, the quality control department is responsible. 4. APPROVAL BY GMDAT TECHNICAL CENTER The relay delivered as the mounting in the production products shall be the same as the mass production sample in all respects. Samples different from the mass productio
7、n sample shall be approved by GMDAT Technical Center. 5. MATERIAL All materials used for the relay shall be the same as indicated on drawings and mass production instructions. 6. MARKING The manufacturing date, GMDAT mark according to EDS-A-0040, part number, and manufacturing period according to ED
8、S-A-0012 shall be marked legibly and durably at an appropriate place on the relay. For products made of synthetic materials, abbreviation of materials shall be indicated according to EDS-M-0101. 7. TEST EQUIPMENT 7.1. Direct current below 100A that can be controllable 7.2. Ammeter with the same curr
9、ent load range of each relay 7.3. Ohmmeter with range of 0 to 300 that can measure resistance of each relay EDS-T-5249EMINI RELAY TEST PROCEDURE (RELAY A. - SPST) PAGE: 2/4 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 3 GM DAEWOO Auto & Technology 7.4. Instrument that can measure in
10、sulation resistance of each relay (0 - min. 20M ) 7.5. DC voltmeter for the ranges 0150mV, 0750mV and 1-16V(max. defect 0.5%), internal resistance 1k /V 7.6. Constant temperature oven with test space of 15.30 litter and temperature range of -403K to +1252.5K 7.7. Constant humidity oven with test spa
11、ce of 30 litter and temperature range of +202.5K to +402.5K and relative humidity of (933)% 7.8. Constant voltage supplier that supplies 14V in fatigue test 7.9. Vibration tester 8. TEST 8.1. Visual inspection and dimension checking 8.1.1. The relay shall be free from damage or defects, such as seam
12、 and crack, that can adversely affect its function or appearance. 8.1.2. The relay shall meet the requirements on allowable deviation and diameter specified on drawings and mass production instructions. 8.2. Initial performance test 8.2.1. Equivalent coil resistance test -40 55-67 +23 70-90 +125 95-
13、125 8.2.2. Pull-In voltage test -40 3.0-7.0 Volts +23 3.0-7.0 Volts +125 3.0-10.0 Volts 8.2.3. Drop-Out voltage test -40 1.0-4.2 Volts +23 1.0-4.2 Volts +125 1.0-5.2 Volts 8.2.4. Contact Circuit Voltage drop test Before durability life 150 mV After durability life 200 mV 8.2.5. Insulation resistance
14、 test EDS-T-5249EMINI RELAY TEST PROCEDURE (RELAY A. - SPST) PAGE: 3/4 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 3 GM DAEWOO Auto & Technology It shall be min. 20 M when DC 500V is applied between the inside coil and the circuit contact and between contacts in the open circuit. 8
15、.2.6. Dielectric resistance test The sample shall exhibit no abnormality when AC 500V is applied for a minute. 8.3. Operation time test To be 20 milliseconds max. 8.4. Audible sound test The sound level shall be 55dB max. at a distance of 900mm when DC 12V is applied. 8.5. Terminal Retention test De
16、formation of each terminal shall be 0.25mm max. when 110N is applied at a speed of 55mm/min. 8.6. Load impact test The sample shall exhibit no abnormality when operated at 16V, -40 after being operated at 125 under 35A for 24 hours. 8.7. Current Overload test The sample shall exhibit no abnormality
17、in function and appearance when tested under the following conditions. (55A 75 second ON 10 minute OFF)2 cycles (90A 20 second ON 10 minute OFF)2 cycles (200A0.5 second ON 2 second OFF)2 cycles 8.8. Cover Integrity strength test The cover Integrity strength shall be min. 200N. 8.9. Drop test The sam
18、ple shall exhibit no abnormality in appearance when dropped onto the metal floor from a height of 1m in both directions of three axes. 8.10. Shock test The sample shall exhibit no abnormality in function and appearance when impact pulse of 20G, 11mS sine wave is applied once in each X, Y, Z directio
19、n. 8.11. Vibration test The sample shall exhibit no abnormality in function when tested with vibration of 3.2G with frequency of 10 - 2000 Hz for 4 hours in each X, Y, Z direction. 8.12. Dust test The sample shall exhibit no abnormality in function and appearance when tested for 8 hours at a frequen
20、cy of 5 EDS-T-5249EMINI RELAY TEST PROCEDURE (RELAY A. - SPST) PAGE: 4/4 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 3 GM DAEWOO Auto & Technology second ON and 20 minute OFF. 8.13. Humidity test The sample shall exhibit no abnormality in function when tested for 120 hours at a fre
21、quency of 1 hr On and 3 four OFF under DC 14V and resistance load of 35A at a temperature of +24 to +38, humidity of 95%, 8.14. Durability test The sample shall exhibit no abnormality in function when tested under the following conditions and temperature condition of +2325% -4025% +12550%. Load type
22、 Cycle Requirements Duty Cycle Voltage Current Resistive 100,000 2sec. ON/2sec. OFF 14.0V 35A HVAC blower motor 150,000 3sec. ON/5sec. OFF 14.0V 25A Cooling fan motor 250,000 3sec. ON/5sec. OFF 14.0V 15A Starter solenoid 100,000 2sec. ON/25sec. OFF 14.0V 20A 9. EVALUATION Each test relay shall meet
23、the regulations for each test. The relays shall exhibit no functional abnormality that may cause troubles or drop in usability during and after durability test. 10. TEST FLOE CHART No. of samples Test item 1 2 34567891011121314151617 18 19 20 21 22 23242526278.1 Visual dimension X X XXXXXXXXXXXXXXXX
24、 X X X X XXXXX8.2 Performance X X XXXXXXXXXXXXXXXX X X X X XXXXX8.3 Operation time X X XXXX 8.4 Audible sound X X XXXX 8.5 Terminal retention X X XXXX 8.6 Load impact X X XXXX 8.7 Current overload X X XXXX 8.8 Cover integrity strength X X XXXX 8.9 Drop XXXXXX 8.10 Shock XXXXXX 8.11 Vibration XXXXXX 8.12 Dust XXXXXX 8.13 Humidity XXXXXX 8.14 Durability XXXXXX Resistive XXX HVAC blower motor XXX Cooling fan motor X X X Starter solenoid X XX
