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소형 솔레노이드를 이용한 개폐 구조 설계

Design of a Cover Locking Mechanism with a Miniature Solenoid

Journal of the Korean Society for Precision Engineering 2017;34(11):807-812.
Published online: November 1, 2017

1 고려대학교 대학원 기계공학과

2 고려대학교 기계공학부

1 Department of Mechanical Engineering, Graduate School, Korea University

2 Department of Mechanical Engineering, Korea University

#E-mail: kwonhkim@korea.ac.kr, TEL: +82-2-3290-3360
• Received: November 16, 2016   • Revised: July 6, 2017   • Accepted: July 21, 2017

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Design and optimization of a novel solenoid with high magnetic uniformity
    Xuehua Zhu, Meng Xing, Juntao Ye, Xinyu Liu, Ziruo Ren
    Scientific Reports.2024;[Epub]     CrossRef

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Design of a Cover Locking Mechanism with a Miniature Solenoid
J. Korean Soc. Precis. Eng.. 2017;34(11):807-812.   Published online November 1, 2017
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Design of a Cover Locking Mechanism with a Miniature Solenoid
J. Korean Soc. Precis. Eng.. 2017;34(11):807-812.   Published online November 1, 2017
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Design of a Cover Locking Mechanism with a Miniature Solenoid
Image Image Image Image Image Image Image Image Image
Fig. 1 Battery cover locking mechanism using solenoid
Fig. 2 Operation of battery cover locking mechanism using solenoid
Fig. 3 Design parameters of the solenoid for optimization
Fig. 4 Mean value analysis of the design parameters
Fig. 5 Acceleration measuring instrument of solenoid moving core
Fig. 6 Comparison of moving core acceleration: simulation and experiment
Fig. 7 Comparison of moving core velocity: simulation and experiment
Fig. 8 Moving core velocity of solenoids with various coil wire diameter
Fig. 9 Improvement of battery cover locking mechanism using TRIZ
Design of a Cover Locking Mechanism with a Miniature Solenoid
Design parameter Level 1 Level 2
Moving core weight (A) 5.7 g 3.9 g
Air gap (B) 6 mm 12 mm
Current (C) 3A 5A
Diameter of coil wire (D) 0.22 mm 0.32 mm
RUN A B C D F (gf)
1 1 1 1 1 74.8
2 1 1 2 2 74.8
3 1 2 1 2 80.8
4 1 2 2 1 140.8
5 2 1 1 2 57.4
6 2 1 2 1 74.2
7 2 2 1 1 126.4
8 2 2 2 2 105.4
Diameter of coil wire (d) 0.32 mm
Length of moving core (l) 30 mm
Mass of moving core (m) 7.05 g
Permeability of moving core (μs) 1.26 × 10-4 H/m
Permeability of air (μa) 1.26 × 10-6 H/m
Number of turns (N) 184
Projected area of solenoid coil (A) 19.62 mm2
Input current (I) 5A
Diameter of coil wire (d) 0.10-0.45 mm
Number of radial turns of coil (M) 2-10 turns
Number of axial of coil (N) 42-190 turns
Length of bobbin (L) 19 mm
Diameter of bobbin (D) 4 mm
Resistivity of copper (Ω·m) 1.72 × 10-8
Feature to improve Worsening feature
force(10)
Volume of moving object(7) 15, 35, 36, 37
Table 1 Design parameters in 2 levels
Table 2 Test results of L8 orthogonal array for the 4 control factors
Table 3 Constants of optimized solenoid
Table 4 Variables and constants of solenoid coil for optimization
Table 5 TRIZ technical contradiction analysis