水膜压力监测节点非接触供电耦合机构研究

赵一帆; 王楠; 张楠; 江帆; 岳晓奎

doi:10.13433/j.cnki.1003-8728.20220148

水膜压力监测节点非接触供电耦合机构研究

doi: 10.13433/j.cnki.1003-8728.20220148

赵一帆^{1, 2,},
王楠^{1, 2, ,},
张楠^{1, 2},
江帆^{1, 2},
岳晓奎³

1.
陕西理工大学机械工程学院，陕西汉中 723001
2.
陕西省工业自动化重点实验室，陕西汉中 723001
3.
西北工业大学航天飞行动力学技术国家级重点实验室，西安 712000

基金项目:

国家自然科学基金项目 51605269

陕西省高校青年杰出人才支持计划项目 SLGQD1802

陕西理工大学重点培育项目 SLG2102

详细信息

作者简介:
赵一帆(1998-)，硕士研究生，研究方向为无线电能传输理论及应用，zyfdcz@163.com

通讯作者:
王楠，副教授，硕士生导师，heroyoyu@126.com

中图分类号: TH39
计量
- 文章访问数: 52
- HTML全文浏览量: 50
- PDF下载量: 12
- 被引次数: 0
出版历程
- 收稿日期: 2021-11-05
- 刊出日期: 2023-10-25

Research on Coupling Mechanism of Contactless Power Supply System for Water Film Pressure Monitoring Node

ZHAO Yifan^{1, 2
,},
WANG Nan^{1, 2
, ,},
ZHANG Nan^{1, 2},
JIANG Fan^{1, 2},
YUE Xiaokui³

1.
School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723001, Shaanxi, China
2.
Shaanxi Key Laboratory of Industrial Automation, Hanzhong 723001, Shaanxi, China
3.
National Key Laboratory of Aero Space Flight Dynamics, Northwestern Polytechnical University, Xi′an, 712000, China

摘要

摘要: 水润滑轴承水膜压力无线监测节点同轴安装、随轴高速旋转，因此对其供电成为一大难题。针对上述问题，提出一种非接触供电方法，建立了耦合机构物理模型及其等效电路，并进行特性分析；然后，对耦合机构原、副边电路进行补偿，并对其输出功率及效率进行仿真；最后通过试验进行验证。结果表明：仿真与试验结果具有较好一致性，该耦合机构在SP补偿后平均输出功率为10.332 W，传输效率为69.84%，能够满足无线监测节点非接触供电需要。
- 水润滑轴承 /
- 水膜压力 /
- 无线监测节点 /
- 非接触供电 /
- 耦合机构
Abstract: Since the water-film pressure wireless monitoring node of water-lubricated bearing is installed coaxially and rotating with the shaft at high speed, its power supply becomes vital importance and difficult. To solve the above problems, a contactless power supply method was proposed in this study, the physical model of coupling mechanism and its equivalent circuit were established, and its characteristics were analyzed. Then, the primary and secondary side circuits of the coupling mechanism are compensated, further the output power and efficiency are simulated. Finally, it is verified by experiment. The results show that the simulation results are in good agreement with the experimental results. After SP compensation, the average output power of the coupling mechanism is 10.332 W, and the transmission efficiency is 69.84%, which can meet the requirements of contactless power supply for wireless monitoring nodes.
- water-lubricated bearing /
- water film pressure /
- wireless monitoring node /
- contactless power supply /
- coupling mechanism

HTML全文

图 1 水润滑轴承水膜压力试验台

Figure 1. Test-rig of film pressure for water-lubricated bearings

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图 2 无线监测节点非接触供电方法

Figure 2. Contactless power supply method for wireless monitoring node

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图 3 非接触供电系统

Figure 3. Contactless power supply system

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图 4 非接触供电耦合机构

Figure 4. Coupling mechanisms of contactless power supply

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图 5 耦合机构互感等效电路模型

Figure 5. Reciprocal inductance equivalent circuit model of coupling mechanisms

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图 6 轴向位移下磁感强度及磁感线分布

Figure 6. Distribution of magnetic inductance intensity and magnetic inductance line under axial displacement

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图 7 轴向位移下互感、漏感及耦合系数变化

Figure 7. Change of mutual inductance, leakage inductance and coupling coefficient under axial displacement

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图 8 径向偏移下互感、漏感及耦合系数变化

Figure 8. Change of mutual inductance, leakage inductance and coupling coefficient under radial migration

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图 9 两种基本补偿拓扑

Figure 9. Two basic compensation topologies

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图 10 两种基本补偿拓扑及无补偿下输出功率

Figure 10. Two basic compensation topologies and output power without compensation

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图 11 耦合机构试验系统

Figure 11. Coupling mechanism test system

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图 12 耦合机构测试试验现场

Figure 12. Test site of coupling mechanism

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图 13 测试系统标定曲线

Figure 13. Calibration curve of test system

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图 14 耦合机构轴向相对位置变化下输出电压有效值

Figure 14. RMS values of output voltage when the axial relative position of coupling mechanisms changes

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图 15 SP补偿下的负载端电压电流波形

Figure 15. Voltage and current waveform of load terminal under SP compensation

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表 1 联合仿真参数值

Table 1. Co-simulation parameter values

参数	数值	参数	数值
U_in	15 V	f	20 kHz
L_p	94.962 μH	L_s	75.557 μH
M	52.039 μH	R_L	25 Ω
C_p.ss	0.667 μF	C_s.ss	0.838 μF
C_p.sp	0.653 μF	C_s.sp	0.838 μF

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表 2 试验系统参数值

Table 2. Parameter values of test system

参数	数值	参数	数值
U_in	15 V	f	20 kHz
L_p	98 μH	L_s	72 μH
M	59.5 μH	R_L	25 Ω
RL_p	0.9 Ω	RL_s	0.8 Ω
C_p.sp	0.625 μF	C_s.sp	0.879 μF

下载: 导出CSV

参考文献(15)

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