Modern Defense Technology ›› 2023, Vol. 51 ›› Issue (2): 14-22.DOI: 10.3969/j.issn.1009-086x.2023.02.002
• AIRCRAFT TECHNOLOGY • Previous Articles Next Articles
Yutian CHEN1, Yuxin CHEN2, Haijiao ZHANG1, Shuying DONG2, Lu XU1, Yujing WANG1, Yue QIU1
Received:
2022-06-22
Revised:
2022-09-21
Online:
2023-04-28
Published:
2023-05-05
陈雨田1, 陈彧欣2, 张海礁1, 董淑英2, 徐璐1, 王宇晶1, 邱越1
作者简介:
陈雨田(1988-),男,湖北京山人。工程师,硕士,研究方向为微小型飞行器无缆化、电装工艺。
CLC Number:
Yutian CHEN, Yuxin CHEN, Haijiao ZHANG, Shuying DONG, Lu XU, Yujing WANG, Yue QIU. Research and Experimental Verification of Current-Carrying Capacity of Electrical Layer in Flexible PCB Cable[J]. Modern Defense Technology, 2023, 51(2): 14-22.
陈雨田, 陈彧欣, 张海礁, 董淑英, 徐璐, 王宇晶, 邱越. 柔性电缆PCB内电层载流量研究与实验验证[J]. 现代防御技术, 2023, 51(2): 14-22.
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温升/℃ | 10 | 20 | 30 | |||||||
---|---|---|---|---|---|---|---|---|---|---|
覆铜厚度/Oz | 1/2 | 1 | 2 | 1/2 | 1 | 2 | 1/2 | 1 | 2 | |
线宽/inch | 线宽/mm | 最大电流/A | ||||||||
0.010 | 0.25 | 0.5 | 1.0 | 1.4 | 0.6 | 1.2 | 1.6 | 0.7 | 1.5 | 2.2 |
0.015 | 0.38 | 0.7 | 1.2 | 1.6 | 0.8 | 1.3 | 2.4 | 1.0 | 1.6 | 3.0 |
0.020 | 0.51 | 0.7 | 1.3 | 2.1 | 1.0 | 1.7 | 3.0 | 1.2 | 2.4 | 3.6 |
0.025 | 0.64 | 0.9 | 1.7 | 2.5 | 1.2 | 2.2 | 3.3 | 1.5 | 2.8 | 4.0 |
0.030 | 0.76 | 1.1 | 1.9 | 3.0 | 1.4 | 2.5 | 4.0 | 1.7 | 3.2 | 5.0 |
0.050 | 1.27 | 1.5 | 2.6 | 4.0 | 2.0 | 3.6 | 6.0 | 2.6 | 4.4 | 7.3 |
0.075 | 1.91 | 2.0 | 3.5 | 5.7 | 2.8 | 4.5 | 7.8 | 3.5 | 6.0 | 10.0 |
0.100 | 2.54 | 2.6 | 4.2 | 6.9 | 3.5 | 6.0 | 9.9 | 4.3 | 7.5 | 12.5 |
0.200 | 5.08 | 4.2 | 7.0 | 11.5 | 6.0 | 10.0 | 11.0 | 7.5 | 13.0 | 20.5 |
0.250 | 6.35 | 5.0 | 8.3 | 12.3 | 7.2 | 12.3 | 20.0 | 9.0 | 15.0 | 24.5 |
Table 1 Linewidth, temperature rise, and current-carrying capacity in MIL-STD-275
温升/℃ | 10 | 20 | 30 | |||||||
---|---|---|---|---|---|---|---|---|---|---|
覆铜厚度/Oz | 1/2 | 1 | 2 | 1/2 | 1 | 2 | 1/2 | 1 | 2 | |
线宽/inch | 线宽/mm | 最大电流/A | ||||||||
0.010 | 0.25 | 0.5 | 1.0 | 1.4 | 0.6 | 1.2 | 1.6 | 0.7 | 1.5 | 2.2 |
0.015 | 0.38 | 0.7 | 1.2 | 1.6 | 0.8 | 1.3 | 2.4 | 1.0 | 1.6 | 3.0 |
0.020 | 0.51 | 0.7 | 1.3 | 2.1 | 1.0 | 1.7 | 3.0 | 1.2 | 2.4 | 3.6 |
0.025 | 0.64 | 0.9 | 1.7 | 2.5 | 1.2 | 2.2 | 3.3 | 1.5 | 2.8 | 4.0 |
0.030 | 0.76 | 1.1 | 1.9 | 3.0 | 1.4 | 2.5 | 4.0 | 1.7 | 3.2 | 5.0 |
0.050 | 1.27 | 1.5 | 2.6 | 4.0 | 2.0 | 3.6 | 6.0 | 2.6 | 4.4 | 7.3 |
0.075 | 1.91 | 2.0 | 3.5 | 5.7 | 2.8 | 4.5 | 7.8 | 3.5 | 6.0 | 10.0 |
0.100 | 2.54 | 2.6 | 4.2 | 6.9 | 3.5 | 6.0 | 9.9 | 4.3 | 7.5 | 12.5 |
0.200 | 5.08 | 4.2 | 7.0 | 11.5 | 6.0 | 10.0 | 11.0 | 7.5 | 13.0 | 20.5 |
0.250 | 6.35 | 5.0 | 8.3 | 12.3 | 7.2 | 12.3 | 20.0 | 9.0 | 15.0 | 24.5 |
序号 | 测试前阻值/Ω | 测试后阻值/Ω | 测试后外观 | 测试结果 |
---|---|---|---|---|
1 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
2 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
3 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
4 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
5 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
Table2 Test results of impulse current under a copper width of 5 mm and thickness of 1/2 Oz
序号 | 测试前阻值/Ω | 测试后阻值/Ω | 测试后外观 | 测试结果 |
---|---|---|---|---|
1 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
2 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
3 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
4 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
5 | 0.03 | 0.03 | 无曲翘、烧蚀 | 通过 |
序号 | 测试前阻值/Ω | 测试后阻值/Ω | 测试后外观 | 测试结果 |
---|---|---|---|---|
1 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
2 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
3 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
4 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
5 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
Table3 Test results of impulse current under a copper width of 2 mm and thickness of 1/2 Oz
序号 | 测试前阻值/Ω | 测试后阻值/Ω | 测试后外观 | 测试结果 |
---|---|---|---|---|
1 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
2 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
3 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
4 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
5 | 0.06 | 0.06 | 无曲翘、烧蚀 | 通过 |
状态 | 产品 | |||
---|---|---|---|---|
实验样件 | 正式产品 | |||
特征 | 散热情况 | 特征 | 散热情况 | |
PCB板层数 | 四层 | 一般 | 多层 | 一般 |
PCB板状态 | 刚板 | 一般 | 刚挠结合板 | 良好 |
PCB安装状态 | 外部空间独立 | 一般 | 内部贴金属舱壁 | 良好 |
供电线宽 | 5 mm | 良好 | 5 mm | 良好 |
供电电流 | 最大10 A | 良好 | 2 A | 良好 |
工作时间 | 5 min | — | 20 s | — |
Table 4 Comparison of working conditions between test sample and formal product
状态 | 产品 | |||
---|---|---|---|---|
实验样件 | 正式产品 | |||
特征 | 散热情况 | 特征 | 散热情况 | |
PCB板层数 | 四层 | 一般 | 多层 | 一般 |
PCB板状态 | 刚板 | 一般 | 刚挠结合板 | 良好 |
PCB安装状态 | 外部空间独立 | 一般 | 内部贴金属舱壁 | 良好 |
供电线宽 | 5 mm | 良好 | 5 mm | 良好 |
供电电流 | 最大10 A | 良好 | 2 A | 良好 |
工作时间 | 5 min | — | 20 s | — |
温度/ ℃ | 电流/A | |||||
---|---|---|---|---|---|---|
5 | 6 | 7 | 8 | 9 | 10 | |
20 | 0.506 | 0.728 | 0.991 | 1.294 | 1.638 | 2.022 |
25 | 0.514 | 0.740 | 1.007 | 1.316 | 1.665 | 2.056 |
30 | 0.522 | 0.752 | 1.024 | 1.337 | 1.692 | 2.089 |
35 | 0.533 | 0.768 | 1.045 | 1.365 | 1.728 | 2.133 |
40 | 0.542 | 0.780 | 1.062 | 1.387 | 1.755 | 2.167 |
45 | 0.550 | 0.792 | 1.078 | 1.408 | 1.782 | 2.200 |
50 | 0.558 | 0.804 | 1.094 | 1.429 | 1.809 | 2.233 |
55 | 0.569 | 0.820 | 1.116 | 1.458 | 1.845 | 2.278 |
60 | 0.578 | 0.832 | 1.132 | 1.479 | 1.872 | 2.311 |
65 | 0.586 | 0.844 | 1.149 | 1.500 | 1.899 | 2.344 |
70 | 0.597 | 0.860 | 1.171 | 1.529 | 1.935 | 2.389 |
75 | 0.606 | 0.872 | 1.187 | 1.550 | 1.962 | 2.422 |
80 | 0.614 | 0.884 | 1.203 | 1.572 | 1.989 | 2.456 |
85 | 0.625 | 0.900 | 1.225 | 1.600 | 2.025 | 2.500 |
90 | 0.633 | 0.912 | 1.241 | 1.621 | 2.052 | 2.533 |
95 | 0.642 | 0.924 | 1.258 | 1.643 | 2.079 | 2.567 |
100 | 0.650 | 0.936 | 1.274 | 1.664 | 2.106 | 2.600 |
Table 5 Power parameters under different current conditions (at a copper width of 5 mm and thickness of 1/2 Oz)
温度/ ℃ | 电流/A | |||||
---|---|---|---|---|---|---|
5 | 6 | 7 | 8 | 9 | 10 | |
20 | 0.506 | 0.728 | 0.991 | 1.294 | 1.638 | 2.022 |
25 | 0.514 | 0.740 | 1.007 | 1.316 | 1.665 | 2.056 |
30 | 0.522 | 0.752 | 1.024 | 1.337 | 1.692 | 2.089 |
35 | 0.533 | 0.768 | 1.045 | 1.365 | 1.728 | 2.133 |
40 | 0.542 | 0.780 | 1.062 | 1.387 | 1.755 | 2.167 |
45 | 0.550 | 0.792 | 1.078 | 1.408 | 1.782 | 2.200 |
50 | 0.558 | 0.804 | 1.094 | 1.429 | 1.809 | 2.233 |
55 | 0.569 | 0.820 | 1.116 | 1.458 | 1.845 | 2.278 |
60 | 0.578 | 0.832 | 1.132 | 1.479 | 1.872 | 2.311 |
65 | 0.586 | 0.844 | 1.149 | 1.500 | 1.899 | 2.344 |
70 | 0.597 | 0.860 | 1.171 | 1.529 | 1.935 | 2.389 |
75 | 0.606 | 0.872 | 1.187 | 1.550 | 1.962 | 2.422 |
80 | 0.614 | 0.884 | 1.203 | 1.572 | 1.989 | 2.456 |
85 | 0.625 | 0.900 | 1.225 | 1.600 | 2.025 | 2.500 |
90 | 0.633 | 0.912 | 1.241 | 1.621 | 2.052 | 2.533 |
95 | 0.642 | 0.924 | 1.258 | 1.643 | 2.079 | 2.567 |
100 | 0.650 | 0.936 | 1.274 | 1.664 | 2.106 | 2.600 |
温度/ ℃ | 电流/A | |||||
---|---|---|---|---|---|---|
2 | 2.5 | 3 | 3.5 | 4 | 4.5 | |
20 | 0.202 | 0.316 | 0.455 | 0.619 | 0.809 | 1.024 |
25 | 0.206 | 0.321 | 0.463 | 0.630 | 0.822 | 1.041 |
30 | 0.209 | 0.326 | 0.470 | 0.640 | 0.836 | 1.058 |
35 | 0.213 | 0.333 | 0.480 | 0.653 | 0.853 | 1.080 |
40 | 0.217 | 0.339 | 0.488 | 0.664 | 0.867 | 1.097 |
45 | 0.220 | 0.344 | 0.495 | 0.674 | 0.880 | 1.114 |
50 | 0.223 | 0.349 | 0.503 | 0.684 | 0.893 | 1.131 |
55 | 0.228 | 0.356 | 0.513 | 0.698 | 0.911 | 1.153 |
60 | 0.231 | 0.361 | 0.520 | 0.708 | 0.924 | 1.170 |
65 | 0.234 | 0.366 | 0.528 | 0.718 | 0.938 | 1.187 |
70 | 0.239 | 0.373 | 0.538 | 0.732 | 0.956 | 1.209 |
75 | 0.242 | 0.378 | 0.545 | 0.742 | 0.969 | 1.226 |
80 | 0.246 | 0.384 | 0.553 | 0.752 | 0.982 | 1.243 |
85 | 0.250 | 0.391 | 0.563 | 0.766 | 1.000 | 1.266 |
90 | 0.253 | 0.396 | 0.570 | 0.776 | 1.013 | 1.283 |
95 | 0.257 | 0.401 | 0.578 | 0.786 | 1.027 | 1.299 |
100 | 0.260 | 0.406 | 0.585 | 0.796 | 1.040 | 1.316 |
Table 6 Power parameters under different current conditions (at a copper width of 2 mm and thickness of 1/2 Oz)
温度/ ℃ | 电流/A | |||||
---|---|---|---|---|---|---|
2 | 2.5 | 3 | 3.5 | 4 | 4.5 | |
20 | 0.202 | 0.316 | 0.455 | 0.619 | 0.809 | 1.024 |
25 | 0.206 | 0.321 | 0.463 | 0.630 | 0.822 | 1.041 |
30 | 0.209 | 0.326 | 0.470 | 0.640 | 0.836 | 1.058 |
35 | 0.213 | 0.333 | 0.480 | 0.653 | 0.853 | 1.080 |
40 | 0.217 | 0.339 | 0.488 | 0.664 | 0.867 | 1.097 |
45 | 0.220 | 0.344 | 0.495 | 0.674 | 0.880 | 1.114 |
50 | 0.223 | 0.349 | 0.503 | 0.684 | 0.893 | 1.131 |
55 | 0.228 | 0.356 | 0.513 | 0.698 | 0.911 | 1.153 |
60 | 0.231 | 0.361 | 0.520 | 0.708 | 0.924 | 1.170 |
65 | 0.234 | 0.366 | 0.528 | 0.718 | 0.938 | 1.187 |
70 | 0.239 | 0.373 | 0.538 | 0.732 | 0.956 | 1.209 |
75 | 0.242 | 0.378 | 0.545 | 0.742 | 0.969 | 1.226 |
80 | 0.246 | 0.384 | 0.553 | 0.752 | 0.982 | 1.243 |
85 | 0.250 | 0.391 | 0.563 | 0.766 | 1.000 | 1.266 |
90 | 0.253 | 0.396 | 0.570 | 0.776 | 1.013 | 1.283 |
95 | 0.257 | 0.401 | 0.578 | 0.786 | 1.027 | 1.299 |
100 | 0.260 | 0.406 | 0.585 | 0.796 | 1.040 | 1.316 |
电流/A | 实测温度/℃ | 仿真温度/℃ |
---|---|---|
5 | 37.0 | 39.863 |
6 | 43.9 | 45.809 |
7 | 51.7 | 54.625 |
8 | 61.8 | 64.645 |
9 | 77.3 | 76.712 |
10 | 91.0 | 89.635 |
Table 7 Circuit board simulation results (at a copper width of 5 mm and thickness of 1/2 Oz)
电流/A | 实测温度/℃ | 仿真温度/℃ |
---|---|---|
5 | 37.0 | 39.863 |
6 | 43.9 | 45.809 |
7 | 51.7 | 54.625 |
8 | 61.8 | 64.645 |
9 | 77.3 | 76.712 |
10 | 91.0 | 89.635 |
电流/A | 实测温度/℃ | 仿真温度/℃ |
---|---|---|
2.0 | 30.4 | 30.948 |
2.5 | 33.7 | 34.479 |
3.0 | 37.4 | 38.704 |
3.5 | 42.5 | 43.886 |
4.0 | 49.4 | 49.992 |
4.5 | 57.8 | 57.380 |
Table 8 Circuit board simulation results (at a copper width of 2 mm and thickness of 1/2 Oz)
电流/A | 实测温度/℃ | 仿真温度/℃ |
---|---|---|
2.0 | 30.4 | 30.948 |
2.5 | 33.7 | 34.479 |
3.0 | 37.4 | 38.704 |
3.5 | 42.5 | 43.886 |
4.0 | 49.4 | 49.992 |
4.5 | 57.8 | 57.380 |
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