基于光纤布拉格光栅传感器的光电复合缆绳应变测量

陶冶; 张素侠

doi:doi:10.3788/CJL202047.1010004

中国激光, 2020, 47 (10): 1010004, 网络出版: 2020-10-09

基于光纤布拉格光栅传感器的光电复合缆绳应变测量下载： 699次

Strain Measurement of Photoelectric Composite Cable Based on Fiber Bragg Grating Sensor

陶冶 ^1,2张素侠 ^1,2,*

作者单位

¹ 天津大学机械工程学院力学系, 天津 300354

² 天津市非线性动力学与混沌控制重点实验室, 天津 300354

图 & 表

图 1. 光电复合缆绳的截面示意图

Fig. 1. Cross-sectional schematic diagram of a photoelectric composite cable

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图 2. 粘贴FBG传感器的光电复合缆绳

Fig. 2. Photoelectric composite cable with FBG sensor

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图 3. 光纤横截面受到的横向作用力F

Fig. 3. Lateral force F on the fiber cross section

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图 4. 粘贴在复合缆绳上的FBG传感器

Fig. 4. FBG sensor pasted on the composite cable

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图 5. 粘贴在胶皮上的FBG波长变化曲线(d₁=80.08 mm)

Fig. 5. Wavelength variation curve of FBG pasted on the rubber surface (d₁=80.08 mm)

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图 6. 粘贴在铜芯上的FBG波长变化曲线(d₁=80.08 mm)

Fig. 6. Wavelength variation curve of FBG pasted on the copper core (d₁=80.08 mm)

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图 7. 用环氧树脂胶粘贴在铜芯上的FBG波长变化曲线(d₁=40.06 mm)

Fig. 7. Wavelength variation curve of FBG pasted on copper core with epoxy resin glue (d₁=40.06 mm)

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图 8. 用705胶粘贴在铜芯上的FBG波长变化曲线(d₁=40.06 mm)

Fig. 8. Wavelength variation curve of FBG pasted on copper core with 705 glue (d₁=40.06 mm)

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图 9. 相对中心波长偏移量与曲率的关系

Fig. 9. Relationship between relative center wavelength shift and curvature

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表 1粘贴在胶皮表面的FBG波长漂移量

Table1. Wavelength drift of FBG pasted on the rubber surface

Curvature radius /mm	Initial valueλ₀ /nm	Maximum value λ_m /nm		SteadyFBG1 λ_s /nm	AverageFBG2 λ_a /nm	Wavelength shift Δλ /nm
Curvature radius /mm	Initial valueλ₀ /nm	FBG1	FBG2	SteadyFBG1 λ_s /nm	AverageFBG2 λ_a /nm	FBG1	FBG2
50.02	1564.1697	1565.4012	1565.4483	1565.1530	1565.2046	0.9833	1.0349
45.01	1564.1771	1565.4927	1565.5745	1565.2027	1565.2788	1.0256	1.1017
40.04	1564.1583	1565.9230	1566.1008	1565.6928	1565.7577	1.5345	1.5994
35.01	1564.1516	1566.0073	1565.8387	1565.5198	1565.6402	1.3682	1.4886
30.03	1564.1630	1566.3853	1566.4726	1566.2689	1566.2847	2.1059	2.1217
25.00	1564.1487	1566.4569	1566.8587	1566.0418	1566.4784	1.8931	2.3297
20.03	1564.1322	1567.6144	1567.7252	1567.3874	1567.4358	3.2552	3.3036

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表 2粘贴在铜芯上的FBG波长漂移量

Table2. Wavelength drift of FBG pasted on the copper core

Curvature radius /mm	Initial valueλ₀ /nm	Maximum value λ_m /nm		SteadyFBG1 λ_s /nm	AverageFBG2 λ_a /nm	Wavelength shift Δλ /nm
Curvature radius /mm	Initial valueλ₀ /nm	FBG1	FBG2	SteadyFBG1 λ_s /nm	AverageFBG2 λ_a /nm	FBG1	FBG2
50.02	1564.1119	1564.4705	1564.7631	1564.3064	1564.5705	0.1945	0.4586
45.01	1564.1661	1564.6783	1564.6907	1564.3902	1564.4263	0.2241	0.2602
40.04	1564.1519	1564.7126	1564.9375	1564.4057	1564.5046	0.2538	0.3527
35.01	1564.1859	1564.7577	1564.7623	1564.4030	1564.5212	0.2171	0.3353
30.03	1564.1453	1564.6126	1564.9738	1564.4373	1564.6606	0.2920	0.5153
25.00	1564.1567	1564.6389	1565.1233	1564.4586	1564.7432	0.3019	0.5865
20.03	1564.1755	1564.8346	1565.4011	1564.5189	1564.7233	0.3434	0.5478

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表 3使用705软硅胶封装的FBG波长漂移量

Table3. FBG wavelength drift using 705 soft silicone package

Curvatureradius /mm	Initial wavelengthλ₀ /nm	Maximum wavelengthλ_m /nm	Steady wavelengthλ_s /nm	Wavelength shiftΔλ /nm
50.02	1564.1182	1564.8247	1564.7060	0.5878
45.01	1564.1231	1564.8730	1564.7915	0.6684
40.04	1564.1207	1564.9846	1564.9027	0.7820
35.01	1564.1194	1565.1855	1565.0625	0.9431
30.03	1564.1205	1565.3824	1565.1978	1.0773
25.00	1564.1226	1565.6981	1565.3792	1.2566
20.03	1564.1214	1565.9744	1565.6867	1.5653

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表 4FBG的回差实验结果

Table4. Backlash test results of FBG

Curvature radius /mm	1st		2nd		3rd
Curvature radius /mm	Forward /nm	Backward /nm	Forward /nm	Backward /nm	Forward /nm	Backward /nm
50.02	1564.7057	1564.7068	1564.7061	1564.7067	1564.7054	1564.7065
45.01	1564.7909	1564.7941	1564.7907	1564.7944	1564.7909	1564.7942
40.04	1564.9027	1564.9131	1564.9023	1564.9136	1564.9022	1564.9138
35.01	1565.0625	1565.0783	1565.0622	1565.0787	1565.0624	1565.0784
30.03	1565.1978	1565.2194	1565.1974	1565.2193	1565.1977	1565.2189
25.00	1565.3792	1565.3921	1565.3789	1565.3927	1565.3790	1565.3925
20.03	1565.6862	1565.6887	1565.6863	1565.6882	1565.6859	1565.6885

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表 5FBG的反向弯曲实验结果

Table5. Reverse bending experiment result of FBG

Curvatureradius /mm	Initial wavelengthλ₀ /nm	Minimum wavelengthλ_m /nm	Steady wavelengthλ_s /nm	Wavelength shiftΔλ /nm
50.02	1564.1712	1563.5793	1563.6076	-0.5636
45.01	1564.1686	1563.4520	1563.5005	-0.6681
40.04	1564.1657	1563.2501	1563.4309	-0.7348
35.01	1564.1749	1563.1944	1563.3695	-0.8054

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陶冶, 张素侠. 基于光纤布拉格光栅传感器的光电复合缆绳应变测量[J]. 中国激光, 2020, 47(10): 1010004. Tao Ye, Zhang Suxia. Strain Measurement of Photoelectric Composite Cable Based on Fiber Bragg Grating Sensor[J]. Chinese Journal of Lasers, 2020, 47(10): 1010004.

基于光纤布拉格光栅传感器的光电复合缆绳应变测量下载： 699次

图 1. 光电复合缆绳的截面示意图

Fig. 1. Cross-sectional schematic diagram of a photoelectric composite cable

图 2. 粘贴FBG传感器的光电复合缆绳

Fig. 2. Photoelectric composite cable with FBG sensor

图 3. 光纤横截面受到的横向作用力F

Fig. 3. Lateral force F on the fiber cross section

图 4. 粘贴在复合缆绳上的FBG传感器

Fig. 4. FBG sensor pasted on the composite cable

图 5. 粘贴在胶皮上的FBG波长变化曲线(d₁=80.08 mm)

Fig. 5. Wavelength variation curve of FBG pasted on the rubber surface (d₁=80.08 mm)

图 6. 粘贴在铜芯上的FBG波长变化曲线(d₁=80.08 mm)

Fig. 6. Wavelength variation curve of FBG pasted on the copper core (d₁=80.08 mm)

图 7. 用环氧树脂胶粘贴在铜芯上的FBG波长变化曲线(d₁=40.06 mm)

Fig. 7. Wavelength variation curve of FBG pasted on copper core with epoxy resin glue (d₁=40.06 mm)

图 8. 用705胶粘贴在铜芯上的FBG波长变化曲线(d₁=40.06 mm)

Fig. 8. Wavelength variation curve of FBG pasted on copper core with 705 glue (d₁=40.06 mm)

图 9. 相对中心波长偏移量与曲率的关系

Fig. 9. Relationship between relative center wavelength shift and curvature

表 1粘贴在胶皮表面的FBG波长漂移量

Table1. Wavelength drift of FBG pasted on the rubber surface

表 2粘贴在铜芯上的FBG波长漂移量

Table2. Wavelength drift of FBG pasted on the copper core

表 3使用705软硅胶封装的FBG波长漂移量

Table3. FBG wavelength drift using 705 soft silicone package

表 4FBG的回差实验结果

Table4. Backlash test results of FBG

表 5FBG的反向弯曲实验结果

Table5. Reverse bending experiment result of FBG

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基于光纤布拉格光栅传感器的光电复合缆绳应变测量 下载： 699次

图 1. 光电复合缆绳的截面示意图

Fig. 1. Cross-sectional schematic diagram of a photoelectric composite cable

图 2. 粘贴FBG传感器的光电复合缆绳

Fig. 2. Photoelectric composite cable with FBG sensor

图 3. 光纤横截面受到的横向作用力F

Fig. 3. Lateral force F on the fiber cross section

图 4. 粘贴在复合缆绳上的FBG传感器

Fig. 4. FBG sensor pasted on the composite cable

图 5. 粘贴在胶皮上的FBG波长变化曲线(d1=80.08 mm)

Fig. 5. Wavelength variation curve of FBG pasted on the rubber surface (d1=80.08 mm)

图 6. 粘贴在铜芯上的FBG波长变化曲线(d1=80.08 mm)

Fig. 6. Wavelength variation curve of FBG pasted on the copper core (d1=80.08 mm)

图 7. 用环氧树脂胶粘贴在铜芯上的FBG波长变化曲线(d1=40.06 mm)

Fig. 7. Wavelength variation curve of FBG pasted on copper core with epoxy resin glue (d1=40.06 mm)

图 8. 用705胶粘贴在铜芯上的FBG波长变化曲线(d1=40.06 mm)

Fig. 8. Wavelength variation curve of FBG pasted on copper core with 705 glue (d1=40.06 mm)

图 9. 相对中心波长偏移量与曲率的关系

Fig. 9. Relationship between relative center wavelength shift and curvature

表 1粘贴在胶皮表面的FBG波长漂移量

Table1. Wavelength drift of FBG pasted on the rubber surface

表 2粘贴在铜芯上的FBG波长漂移量

Table2. Wavelength drift of FBG pasted on the copper core

表 3使用705软硅胶封装的FBG波长漂移量

Table3. FBG wavelength drift using 705 soft silicone package

表 4FBG的回差实验结果

Table4. Backlash test results of FBG

表 5FBG的反向弯曲实验结果

Table5. Reverse bending experiment result of FBG

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基于光纤布拉格光栅传感器的光电复合缆绳应变测量下载： 699次

图 5. 粘贴在胶皮上的FBG波长变化曲线(d₁=80.08 mm)

Fig. 5. Wavelength variation curve of FBG pasted on the rubber surface (d₁=80.08 mm)

图 6. 粘贴在铜芯上的FBG波长变化曲线(d₁=80.08 mm)

Fig. 6. Wavelength variation curve of FBG pasted on the copper core (d₁=80.08 mm)

图 7. 用环氧树脂胶粘贴在铜芯上的FBG波长变化曲线(d₁=40.06 mm)

Fig. 7. Wavelength variation curve of FBG pasted on copper core with epoxy resin glue (d₁=40.06 mm)

图 8. 用705胶粘贴在铜芯上的FBG波长变化曲线(d₁=40.06 mm)

Fig. 8. Wavelength variation curve of FBG pasted on copper core with 705 glue (d₁=40.06 mm)