额定电压源测试.doc

Battery Pack Test based on UL 1950 AND UL 20541) Limited Power Source Test: (sub-clause 2.11 of UL1950)额定电压源测试It is to evaluate if the Battery Pack is the Limited Power Source. A评估如果将Battery Pack当作一个额定电压源来看. 一台Notebook PC的电源Notebook PC supplied by the Limited Power Source can waive the由此额定的电压源(Battery Pack)来提供,此额定的电压源(Battery Pack)在防火上的requirement of Fire Enclosure. Its determined by varying the load要求可以不予重视(在此项测试),而是要变动一个负载阻抗,使输出从开路到短路(RL0)impedance from open circuit to short circuit. And the fully charged Battery Pack的情况来决定.此Battery Pack必须遵循下列的要求(在此项测试): should comply with the following requirements:a) The maximum output current after 60 seconds shall be less than or equal to 8.0 A (Max. Isc8.0 A), 在60秒后,调整负载使最大输出电流必须小于或等于8.0Aandb) The power output shall be less than 5 times the open circuit voltage (Max. VA 5 x Uoc), measured at the end of a 60-second period.在60秒内测量输出端,此时输出功率必须小于5 x 开路电压. (RL)(The instrument setup is as shown in Figure 1.)Vout RL2) Short Circuit / Rapid Discharge Test: (sub-clause 4.3.21 of UL1950) 短路及快放测试The fully charged Battery Pack is short- circuited by connecting the positive and 将一充饱电的Battery Pack之正、负端连接起来(短路), 如此Battery Pack将会放电至negative terminals of the Battery Pack. The Battery Pack is to discharged until a fire 起火、爆炸,或者是完全地放电完毕, Battery Pack外壳的温度会回复到周遭的温度。 or explosion happened, or until its completely discharged and the Battery Pack case temperature has returned to near ambient temperature. If the overcurrent or thermal protective device that has got the UL recognized 在此项测试,如果过电流或温度保护的装置是得到UL认证合格的,此类保护装置approval actuated during the test, the test is repeated with the Battery Pack 将会启动.重复此项试验, Battery Pack加上一最大负载(即不会引起保护装置之启动)connected to the maximum load that does not cause the protective device to function. During the test, the Battery Pack shall not explode or get fire. And maximum 测试期间(Battery Pack+最大负载),不能有爆炸、起火,而且外部表面的温度temperature on the exterior surface of casing shall not exceed 150.不能超过150。(The instrument setup is as shown in Figure 2.)u 短路时,Battery Pack保护装置应启动v Battery Pack+最大负载不能有异状,且T150.3) Abnormal Charging Test: (sub-Clause 4.3.21 of UL1950) 异常充电测试The fully charged Battery Pack is subjected to the maximum charging current with 将120%之额定电压(或厂商建议之最大充电电压)与最大充电电流施予在一充饱电120% rated voltage or manufacturers recommended maximum charging voltage, 的Battery Pack,电压部分取功率较大者,例如,额定值为DC 14.8V,4.2A(14.8*4.2=62.16W)which depends on which one is larger. For example, if the ratings are DC 14.8V, 而最大充电的额定值为DC16.8V,3.0A(16.8*3.0=50.4W),故在此项测试的充电额定值4.2Ah, and maximum charging ratings are DC 16.8V, 3.0A, the charging ratings for 为17.8V(14.8V x 120%),3.0A.test will be DC 17.8V (14.8V x 120%), 3.0A.The test is operated minimum 7 hours to obtain the thermal equilibrium. And during 此项测试最少工作7小时,以求得热平衡,在此项测试期间, Battery Pack不能有爆炸、the test, the Battery Pack shall not explode or catch fire or leak liquid.起火或漏液.(The instrument setup is as shown in Figure 3.)4) Abusive Overcharge Test: (sub-Clause 4.3.21 of UL1950) 异常过充测试The fully charged Battery Pack is subjected to the 2 times current capacity with将120%之额定电压(或厂商建议之最大充电电压)与2 x 电流之容量施予在一充饱电 120% rated voltage or manufacturers recommended maximum charging voltage, 的Battery Pack,电压部分取功率较大者,例如,额定值为DC 14.8V,4.2A(14.8*4.2=62.16W)which depends on which one is larger. For example, if the ratings are DC 14.8V, 而最大充电的额定值为DC16.8V,3.0A(16.8*3.0=50.4W),故在此项测试的充电额定值4.2Ah, and maximum charging ratings are DC 16.8V, 3.0A, the charging ratings for 为17.8V(14.8V x 120%),3.0A. 故在此项测试的充电额定值为test will be DC 17.8V (14.8V x 120%), 8.4A (4.2A x 2).DC 17.8V (14.8V x 120%), 8.4A (4.2A x 2).The test is operated minimum 7 hours to obtain the thermal equilibrium. And during 此项测试最少工作7小时,以求得热平衡,在此项测试期间, Battery Pack不能有爆炸、the test, the Battery Pack shall not explode or catch fire or leak liquid.起火或漏液.(The instrument setup is as shown in Figure 3.)5) Adhesives Aging Test: (sub-Clause 4.3.22 of UL1950) 粘胶剂老化试验If the enclosure is sealed by glue instead of ultrasonically welding, the following test Battery Pack的case以粘着剂来代替超音波压合,将四周粘合,在随后的测试中,将可确should be conducted to make sure the adhesives have the adequate properties.认此粘胶剂的性能,是否能被满足.Day 1:Place the Battery Pack in the oven at 100C2C for one week;第一天:将Battery Pack放置在烤箱(100C2C)一周(7天).Day 8:a) Remove from oven and leave at any convenient temperature between 20C and 30C for 1 hr;第八天: a)将Battery Pack移出烤箱,在20C30C放置一小时. b) Place in freezer at -40C2C for 4 hrs;b) 将Battery Pack放置在冰箱(-40C2C)四小时.c) Remove from freezer and allow to come to any convenient temperature between 20C and 30C over 8 hrs;c) 将Battery Pack移出冰箱,在20C30C八放置小时以上.Day 9:a)Place in a compartment at 95%5% relative humidity for 72 hrs;第九天:a) 将Battery Pack放置在恒温恒湿箱(相对湿度95%5%)72小时.b) Remove and leave at any convenient temperature between 20C and 30C for 1 hr;b) 将Battery Pack移出恒温恒湿箱,在20C30C放置一小时.c) Place in oven at 100C2C for 4 hrs;c) 将Battery Pack放置在烤箱(100C2C)4小时.d) Remove and allow sample to reach any convenient temperature between 20C and 30C over 8 hrs. )将Battery Pack移出烤箱,在20C30C放置一小时.Immediately after conditioning, the sample is subjected to the Drop Test and Enclosure Push Test .随即依下列的条件,将此sample作落地实验及封口压力实验6) Enclosure Push Test: (sub-Clause 4.2.3 of UL1950) 封口压力实验If the enclosure is sealed by glue instead of ultrasonically welding, the test should beBattery Pack的case以粘着剂来代替超音波压合,将四周粘合,在粘胶剂老化试验之后, done after the Adhesives Aging Test. 随即作此实验.Using a test tool having a 30 mm (1.2 in.) circular diameter contact surface, a force 如图4之测试工具(圆形物,直径为30mm,施力25010牛顿施加在Battery Pack的of 25010N is applied to the external surface of Battery Pack casing for a period of 5 seconds. 外壳表面上5秒钟,After the application of the test force, the Battery Pack shall not explode or catch fire,当施力之后, Battery Pack不能有爆炸、起火或漏液. or leak liquid, and the outer enclosure shall not crack to the extent that the cells or any protective devices are exposed.外部的粘着处不能裂开至裸露出电池或保护装置(The test tool is as shown in Figure 4.)7) Drop Test: (sub-Clause 4.2.5 of UL1950) 落下实验If the enclosure is sealed by glue instead of ultrasonically welding, the test should be 以粘着剂来代替超音波压合,将四周粘合,在粘胶剂老化试验之后,可随即作此项实验.done after the Adhesives Aging Test.The Battery Pack is dropped three times from a height 1.0 m (3.28 ft.) onto the Battery Pack落下3次,自高100公分处落在一固体物上.每次落下撞击PACK在不同concrete surface. Each drop impacts the Battery Pack at a different location that is most likely to produce the most adverse results. 的位置,也就是尽可能地作出反向的结果.After the test , the Battery Pack shall not explode or catch fire, or leak liquid, and the 此项实验后,Battery Pack不能有爆炸、起火或漏液.outer enclosure shall not crack to the extent that the cells or any protective devices are exposed.外部的粘着处不能裂开至裸露出电池或保护装置.8) Mold Stress Relief Test: (sub-Clause 4.2.6 of UL1950)模压Three samples are to placed in a full-draft circulating-air Oven maintained at a 将samples放置在单一温度70 full-draft circulating-air烤箱,持续7小时.uniform temperature of 70. The samples are to remain in the Oven for 7 hours.After 7 hours test and return to room temperature, the samples shall not have在7小时之后,回到室温状态,此samples不能有机构性的损伤. mechanical damage, such as cracking of the battery jacket or leakage of electrolyte. 例如,电池CASE的裂痕,电解液外漏. And the samples shall not explode or catch fire or leak liquid. In addition, the outer 此SAMPLE不能有爆炸、起火或漏液.另外, 外部的粘着处不能裂开至裸露出电池或保battery enclosure shall not crack to extent that the cells or any protective devices are exposed.护装置.9) Temperature Cycling Test: (sub-Clause 25 of UL 2054) (Optional) 温度循环测试The Battery Pack is to be placed in a test chamber and subjected to the following cycles:Battery Pack放置在恒温恒湿箱,依下列的循环条件:a) Raising the chamber-temperature to 703C within 30 minutes and maintaining this temperature for 4 hours.在30分钟以内,提升chamber的温度到703C,持续此温度(703C)4小时.b) Reducing the chamber-temperature to 203C within 30 minutes and maintaining this temperature for 2 hours.在30分钟以内,降低chamber的温度到203C, 持续此温度(203C)2小时.c) Reducing the chamber-temperature to minus 403C within 30 minutes and maintaining this temperature for 4 hours.在30分钟以内,再降低chamber的温度到 -403C,持续此温度(-403C)4小时.d) Raising the chamber-temperature to 203C within 30 minutes.在30分钟以内, 提升chamber的温度到203C.e) Repeating the sequence for a further 9 cycles.重复上列顺序(a d),9次循环以上