1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards MICRO RELAY TEST PROCEDURE (RELAY A. SPST / SPDT) Do Not Use on New Programs. Being Replaced by GMW15267 EDS-T-5248 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 4 (Superceded) EDS-T-5248MICRO RELAY TE
2、ST PROCEDURE (RELAY A. SPST / SPDT) PAGE: 1/5 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 4 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 It is Superceded for all future projects and replaced by GMW15267. 1.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 Th
3、is standard aims at determining the conditions of performance test, environmental test and durability test of the SPST 280 micro relay to be mounted on the vehicles. To this relay, the technical delivery conditions in EDS-T-5248 apply. The relay shall be manufactured to meet the safety regulations w
4、hich are required on occasions. 2. NUMBER OF SAMPLES For mass production test and sample test according to this standard, 27 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 litte
5、r may be specified 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 contr
6、ol of production 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 mas
7、s production 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 acco
8、rding to EDS-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 th
9、e same current load range of each relay 7.3. Ohmmeter with range of 0 to 300 that can measure resistance of each relay EDS-T-5248MICRO RELAY TEST PROCEDURE (RELAY A. SPST / SPDT) PAGE: 2/5 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 4 GM DAEWOO Auto & Technology 7.4. Instrument tha
10、t can measure insulation 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 o
11、ven with test space 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 defe
12、cts, such as seam 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 56 - 83
13、 +23 75 105 +125 104 145 8.2.2. Pull-In voltage test -40 3.6 - 7 2 Volts +23 3.6 - 7.2 Volts +125 3.6 - 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 When DC 12V 20A(N.O) / 10A(N.C) resistance load is app
14、lied Before durability life N.C MAX. 175mV, N.O MAX. 150mV After durability life N.C MAX. 250Mv, N.O MAX. 200mV EDS-T-5248MICRO RELAY TEST PROCEDURE (RELAY A. SPST / SPDT) PAGE: 3/5 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 4 GM DAEWOO Auto & Technology 8.2.5. Insulation resistan
15、ce test 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. 8.2.6. Dielectric resistance test The sample shall exhibit no abnormality when AC 500V is applied for a minute. 8.3. Operation time test When DC 12V is appl
16、ied Operation time MAX. 20msec(BOUNCE TIME is exception) Returning time MAX. 20msec(BOUNCE TIME is exception) 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 Deformation of each terminal shall be 0.25mm max. when
17、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 14V 20A(N.O) / 10A(N.C) for 24 hours. 8.7. Current Overload test The sample shall exhibit no abnormality in function and appearance when t
18、ested under the following conditions at 23 14V resistance load. If SPDT contact, tested separate each contact N.C (20A 5 minute ON 10 minute OFF) 3 cycles N.O (40A 5 minute ON 10 minute OFF) 3 cycles 8.8. Cover Integrity strength test The cover Integrity strength shall be min. 220N. 8.9. Drop test T
19、he sample shall exhibit no abnormality in appearance when dropped onto the metal floor from a height of 1m in both directions of three axes. (1 time drop per each sample) 8.10. Shock test The sample shall exhibit no abnormality in function and appearance when impact pulse of 20G, 11mS sine wave is a
20、pplied once in each X, Y, Z direction. 8.11. Vibration test The sample shall exhibit no abnormality in function when tested with vibration of 3.2G with frequency of 10 - 2000 EDS-T-5248MICRO RELAY TEST PROCEDURE (RELAY A. SPST / SPDT) PAGE: 4/5 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VE
21、RSION: 4 GM DAEWOO Auto & Technology Hz at 51 min cycle 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 frequency of 5 second ON and 20 minute OFF. 8.13. Humidity test The sample shall exhibit no a
22、bnormality in function when tested for 120 hours at a frequency of 1 hr On and 3 four OFF under DC 14V and resistance load of 20A(N.O)/10A(N.C) 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 c
23、onditions and temperature condition of +2325% -4025% +12550%. If SPDT contact, tested separate each contact Load type Cycle Requirements Duty Cycle Voltage Current Resistive 100,000 2sec. ON/2sec. OFF 14.0V 20A(N.O) 100,000 2sec. ON/2sec. OFF 14.0V 10A(N.O) Fuel pump 50,000 1sec. ON/4sec. OFF 14.0V
24、5.8A(N.O) A/C Compressor clutch coil 500,000 2sec. ON/2sec. OFF 14.0V 4.5A(N.O) Horn 50,000 1sec. ON/3sec. OFF 14.0V 7A(N.O) High beam head lamp 100,000 2sec. ON/2sec. OFF 14.0V 15A(N.O) 9. EVALUATION Each test relay shall meet the regulations for each test. The relays shall exhibit no functional ab
25、normality that may cause troubles or drop in usability during and after durability test. EDS-T-5248MICRO RELAY TEST PROCEDURE (RELAY A. SPST / SPDT) PAGE: 5/5 ISSUED DATE: 1997. 05. 24 REVISED DATE: 2008. 10. 21 VERSION: 4 GM DAEWOO Auto & Technology 10. TEST FLOE CHART Test item No. of samples 8.1
26、Visual dimension 1 2 34567891011121314151617 18 19 20 21 22 23242526278.2 Performance X X XXXXXXXXXXXXXXXX X X X X XXXXX8.3 Operation time X X XXXXXXXXXXXXXXXX X X X X XXXXX8.4 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 Fuel pump XXX A/C Compresor clutch coil X X X Horn X XX High beam head lamp XXX
