NOKIA手机件耐化学测试

Mechanical, Environmental and EMC Testing Handbook For Chargers 1 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 Mechanical, Environmental, EMC Testing Handbook For Chargers Operating Conditions / Environmental tests Mechanical tests EMC tests Document ID: DTY12568-EN-1.0 Date 17.08.2009 Status: V1.0 / Approved Location: LN Author Jari Hiirola Approver Jarkko Lankinen Owner: Jari Hiirola Copyright Nokia Corporation. This material, including documentation and any related computer programs, is protected by copyright controlled by Nokia Corporation. All rights are reserved. Copying, including reproducing, storing, adapting or translating, any or all of this material requires the prior written consent of Nokia Corporation. This material also contains confidential information, which may not be disclosed to others without the prior written consent of Nokia Corporation. Mechanical, Environmental and EMC Testing Handbook For Chargers 2 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 Table of Contents: 1. INTRODUCTIONS.3 1.1 Purpose.3 1.2 References.3 1.3 Definitions.3 1.4 Abbreviations.4 2. TEST METHODS.4 2.1 Thermal .4 2.1.1 Cold and dry heat storage.4 2.1.2 Cold operational AC Chargers.5 2.1.3 Cold operational DC Chargers. (Cigarette light charger) .6 2.1.4 Dry heat operational.6 2.1.5 Change of temperature (Thermal Shock test).7 2.1.6 Ageing treatment.8 2.2 Chemical.10 2.2.1 Damp heat cyclic.10 Acceptance criteria:.11 2.2.2 Chemical resistance of external charger materials .12 2.2.3 Salt mist test for materials .14 2.2.4 Dust bounce.15 2.3 Radiation .18 2.3.1 UV exposure.18 2.4 Mechanical .19 2.4.1 AC-pin life cycle test.19 2.4.2 Cigarette lighter charger cycle.20 2.4.3 Bending of housing.23 2.4.4 AC-Charger pin twisting test.24 2.4.5 Pull out test for AC pin .25 2.4.6 Maximum pull out test for AC pin.26 2.4.7 Push in test for AC pin.27 2.4.8 Maximum Push in test for AC pin.27 2.4.9 AC Charger up and down cycle test for moving ground pin construction.28 2.4.10 AC Charger bending test for moving ground pin construction .28 2.4.11 Rip off test for AC-charger with lid and cable.29 2.4.12 Mating test for DC plug .30 2.4.13 Vibratory wearing (product).32 2.4.14 Rod test (scratch test).36 2.4.15 Free fall.38 2.4.16 Free fall for pin side.41 2.4.17 Free fall repeated.42 Free fall repeated for AC Chargers (tumbler).42 Free fall repeated for DC chargers.43 2.4.18 Cable tests.44 Cable bending.44 Bending test for low-temperature .46 Coiled card elacticy test.47 Pull out test for strain relief.49 Pull out test for DC-plug .49 Mechanical, Environmental and EMC Testing Handbook For Chargers 3 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 Humidity test for the DC-cables .50 .1 Short test.50 .2 Long-term test.51 .3 Cycle test.51 2.4.19 Typelabel tests.52 Wearing test for type label material and printing (dry) .52 Solvent resistance test.52 2.5 RELIABILITY DEMO .53 2.6 EMC.56 2.6.1 AC Voltage dips and interruptions .56 2.6.2 AC Fast transients.57 2.6.3 AC surges, common and differential mode.59 2.6.4 AC voltage deviation.61 2.6.5 AC voltage variation.62 2.6.6 Automotive environment, “Start pulse”.62 2.6.7 Automotive environment, DC supply immunity .64 2.6.8 Automotive environment, Transients.65 2.6.9 Automotive environment, Transient bursts.67 2.6.10 Automotive environment, Reverse polarity.70 2.6.11 ESD .70 2.6.12 Radiated Emissions EN55022.72 2.6.13 Radiated Spurious emission (2nd harm).75 2.6.14 Conducted emissions EN55022 .81 2.6.15 Charger output conducted emissions.83 2.6.16 Radio frequency, electromagnetic field immunity.85 1. INTRODUCTIONS 1.1 Purpose This document describes material- or component-level test methods. All specified tests described in this manual needs to be done and pass before approving supplier or approving new type of sample / tecnology or in case of any changes in sample (e.g. material) or in a manufacturing process. Quality control related issues e.g. test cases shall be described in product specified document. 1.2 References Nokia internal requirements. 1.3 Definitions NTP: Normal temperature and pressure. See laboratory environment Laboratory environment: In these tests defined as T = 20 25 C and RH = 40 60 % Room temperature: Same as laboratory environment Acceptance criteria: Defines the acceptance level of functionalities (mechanical, electrical), visual inspection etc which is required for PASS result of the test. All tested samples: failed and passed, should be opened and analyzed for corrosion, hidden failures, unusual wearing etc. Mechanical, Environmental and EMC Testing Handbook For Chargers 4 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 Normal Performance (N): All specified performance requirements shall be fulfilled. 1.4 Abbreviations ATE: Automatic test equipment EUT: Equipment Under Test IEC: International Electrotechnical Commission IPXX: Defined in IEC 60529: Degrees of protection provided by the enclosures (IP code) SEM: Scanning electron microscope XRF: X-ray fluorescence ISTA: International Safe Transit Association, / TUPA Project: KOTEL Research Project KOTEL 051: TUPA, 2006 2007. Optimized mechanical structure for production, packaging and logistics. Packaging and Logistics subproject studied typical environmental conditions of different transport methods and routes around the world 2. TEST METHODS 2.1 Thermal 2.1.1 Cold and dry heat storage REFERENCE IEC 60068-2-1: Environmental testing - Part 2: Tests. Tests A: Cold EC 60068-2-2: Environmental testing - Part 2: Tests. Tests B: Dry heat PURPOSE The purpose of the test is to ensure that materials survive the transportation and storage. TEST MATERIAL REQUIREMENTS Recommended minimum 3 material samples + reference sample Temperature chamber TEST PROCEDURE 1. The samples are placed into the test chamber. 2. The chamber temperature is decreased with a gradual change of 1 C / min to - 40 C. 3. After 16 hours of exposure the temperature of the chamber is increased to + 25 C with a gradual change of 1 C / min. Mechanical, Environmental and EMC Testing Handbook For Chargers 5 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 4. EUT are checked the laboratory environment. 5. The samples are placed back into the test chamber 6. The chamber temperature is increased with a gradual change of 1 C / min to + 85 C 7. After 16 hours of exposure the temperature of the chamber is increased to + 25 C with a gradual change of 1 C / min. 8. Visual check and final measurements are carried out in the laboratory environment to ensure that samples are undamaged ACCEPTANCE CRITERIA No changes at the materials, paintings etc are allowed 2.1.2 Cold operational AC Chargers. REFERENCE IEC 60068-2-1: Environmental testing - Part 2: Tests. Tests A: Cold EC 60068-2-2: Environmental testing - Part 2: Tests. Tests B: Dry heat PURPOSE The purpose of the test is to ensure functionality of the chargers in different temperatures. TEST NUMBER ENVIRONMENTAL TEST REFERENCE SEVERITY EUT DURATION REQ CLIMATIC Cold (operational) IEC 68-2-1 Ab -5C Office 3 16 h N Purpose of the test is to determine ability of components and equipments to be used and / or stored at low temperatures for example in wintertime. Testing method EUTs were measured and functions were checked before the test. They were put to the temperature chamber and temperature was changed to 5 C with a rate of 1 C/min. After 16 hours temperature was risen to +22 C with a rate of 1 C/min. EUTs were took off the chamber and they were measured and functions were checked to verify their faultlessness. (IEC 68-2-1 Ab). ACCEPTANCE CRITERIA Device has fulfill specification. Mechanical, Environmental and EMC Testing Handbook For Chargers 6 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 2.1.3 Cold operational DC Chargers. (Cigarette light charger) IEC 60068-2-1: Environmental testing - Part 2: Tests. Tests A: Cold EC 60068-2-2: Environmental testing - Part 2: Tests. Tests B: Dry heat TEST NUMBER ENVIRONMENTAL TEST REFERENCE SEVERITY EUT DURATION REQ CLIMATIC Cold (operational) IEC 60068-2-1 Ab -40C 3 16 h N Purpose of the test is to determine ability of components and equipments to be used and / or stored at low temperatures for example in wintertime. Testing method EUTs were measured and functions were checked before the test. They were put to the temperature chamber and temperature was changed to 40 C with a rate of 1 C/min. After 16 hours temperature was rised to +22 C with a rate of 1 C/min. EUTs were took off the chamber and they were measured and functions were checked to verify their faultlessness. (IEC 68-2-1 Ab). ACCEPTANCE CRITERIA Reduced performance. Output voltage spec is fullfilled. 2.1.4 Dry heat operational REFERENCE IEC 60068-2-1: Environmental testing - Part 2: Tests. Tests A: Cold EC 60068-2-2: Environmental testing - Part 2: Tests. Tests B: Dry heat PURPOSE The purpose of the test is to ensure functionality of the chargers in different temperatures. TEST NUMBER ENVIRONMENTAL TEST REFERENCE SEVERITY EUT DURATION REQ CLIMATIC Dry heat (operational) IEC 68-2-2 Bb +55/+70 C 3 16 h+ 2 h N Purpose of the test is to determine ability of components and equipments to be used and / or stored at high temperatures for example when the EUT is left in the sunshine. Testing method Mechanical, Environmental and EMC Testing Handbook For Chargers 7 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 EUTs were measured and functions were checked before the test. They were put to the temperature chamber and temperature was changed to +55 C with a rate of 1 C /min. After 16 hours temperature was raised to +70 C with a rate of 1 C /min. After 2 hours temperature was lowered to +22 C with a rate of 1 C /min. EUTs were took off the chamber and they were measured and functions were checked to verify their faultlessness. (IEC 68-2-2 Bb) 2.1.5 Change of temperature (Thermal Shock test) REFERENCES IEC 60068-2-14: Environmental testing - Part 2: Tests. Test N: Change of temperature; Test method Na IEC 60068-2-33: Environmental testing - Part 2: Tests. Guidance on change of temperature tests PURPOSE The purpose of the test is to determine the effects of rapid temperature changes on the sample e.g. during transportation. TEST MATERIAL REQUIREMENTS Recommended minimum sample size 10 Temperature shock chamber or 2 separate temperature chambers Test equipment for functional check TEST PROCEDURE 1. Before the test the samples are checked in the laboratory environment to ensure normal performance. 2. The samples are placed to the temperature chamber, which is then decreased to - 40 C. 3. After 2 hours dwell the samples are moved to the temperature chamber which is at + 85 C. The changing time should be less than 3 minutes. 4. The samples are kept for 2 hours at + 85 C. 5. After 2 hours the samples are moved to the chamber that is at - 40 C. 6. Repeat cycle specified in steps 3-5 four additional times. 7. After 5 cycles the samples are set to room temperature for recovery. 8. After 2 hours recovery times the final measurements are carried out in the laboratory environment to ensure normal performance. Mechanical, Environmental and EMC Testing Handbook For Chargers 8 (85) CONFIDENTIAL Gear Chargers Ver 1.0 Approved Jari Hiirola 17.08.2010 DTY12568-EN-1.0 V1.0 ACCEPTANCE CRITERIA Visible decomposition are not allowed Mechanical decomposition are not allowed TEST DESCRIPTION Figure 3: Change of temperature test sequence 2.1