Cubic Inch Relay Anti-Vibration Design Based on Finite Element Simulation of Vibration Characteristics

doi:10.16628/j.cnki.2095-8188.2021.04.005

Abstract

Abstract:

The vibration failure mode and weak links of the inch relay through vibration test were analyzed.An Ansys-based anti-vibration finite element model was established to perform modal analysis verification and key part response force analysis.Combined the basic ideas of anti-vibration design and transfer path analysis of vibrational excitation,the anti-vibration design of the relay was given out.It is verified that the anti-vibration design has a significant effect on improving the anti-vibration performance of the relay through simulation analysis and testing.

Key words: relay, finite element, model analysis, responsive force

CLC Number:

TM581.3

WANG Yue, TAN Jun. Cubic Inch Relay Anti-Vibration Design Based on Finite Element Simulation of Vibration Characteristics[J]. LOW VOLTAGE APPARATUS, 2021, 0(4): 24-28.

Figures/Tables 13

References 12

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产品编号	X方向				Y方向				Z方向				备注
		正弦		随机		正弦		随机		正弦		随机
		D	E	D	E	D	E	D	E	D	E	D		E
	#1	√	√	√	×	√	√	√	√	√	√	√		√	6号触点抖断
#2	√	√	√	×	√	√	√	√	√	√	√	√		5号触点抖断
#3	√	√	√	×	√	√	√	√	√	√	√	√		1号触点抖断
#4	√	×	√	×	√	√	√	√	√	√	√	√	6号(600~800 Hz)/ 5号触点抖断
#5	√	√	√	×	√	√	√	√	√	√	√	√	2号、3号触点抖断
#6	√	√	√	×	√	√	√	√	√	√	√	√	2号~6号触点同时抖断
#7	√	√	√	×	√	√	√	√	√	√	√	√	6号触点抖断
#8	√	×	√	√	√	√	√	√	√	√	√	√	4号、5号触点点抖断
#9	√	×	√	×	√	√	√	√	√	√	√	√	6号(600~800 Hz)/ 1号~6号触点同时抖断

名称	类别	响应力 /N	同比降低百分比/%
触点系统	无减振簧片	0.84	39.2
触点系统	有减振簧片	0.51	39.2
衔铁组件	无减振簧片	5.42	22.3
衔铁组件	有减振簧片	4.21	22.3

产品编号	X方向				Y方向				Z方向				备注
		正弦		随机		正弦		随机		正弦		随机
		D	E	D	E	D	E	D	E	D	E	D		E
	#11	√	√	√	√	√	√	√	√	√	√	√		√	—
#12	√	√	√	√	√	√	√	√	√	√	√	√		—
#13	√	√	√	√	√	√	√	√	√	√	√	√		—
#14	√	√	√	√	√	√	√	√	√	√	√	√	—
#15	√	√	√	√	√	√	√	√	√	√	√	√	—
#16	√	×	√	√	√	√	√	√	√	√	√	√	2号、3号触点抖闭(1 090Hz)
#17	√	√	√	√	√	√	√	√	√	√	√	√	—
#18	√	×	√	√	√	√	√	√	√	√	√	√	3号、4号、5号触点抖闭(1 130Hz)
#19	√	√	√	√	√	√	√	√	√	√	√	√	—

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