A Flexible Inductive Coil Tag for Household Two-Wire Current Sensing Applications

Author

Chen, Yung-Chang ; Yu, Sung-Chu ; Cheng, Shih-Hsien ; Cheng, Yu-Ting

Author_Institution

Dept. of Electron. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan

Volume

12

Issue

6

fYear

2012

fDate

6/1/2012 12:00:00 AM

Firstpage

2129

Lastpage

2134

Abstract

This paper presents a flexible inductive coil tag for sensing the electric current in the two-wire power cords of household goods. The tag is fabricated using a complementary metal-oxide semiconductor compatible SU-8 flexible technology which provides unique device characteristics of low-cost, reliability and pervasiveness. With a 30-turns coil design in an area of 0.5 × 1 cm², the coil tag can provide sensitivity of 18 and 21 μV/A for detecting 50-and 60-Hz electric current in the ampere regime, respectively.

Keywords

CMOS integrated circuits; building management systems; coils; domestic appliances; electric sensing devices; semiconductor device reliability; wires (electric); SU-8 flexible technology; coil design; complementary metal oxide semiconductor; device reliability; electric current detection; electric current sensing; flexible inductive coil tag; household goods; household two-wire current sensing applications; two-wire power cords; Coils; Current; Fabrication; Magnetic flux; Sensitivity; Sensors; Substrates; Current sensor; demand-response electricity monitoring systems; flexible; proximity;

fLanguage

English

Journal_Title

Sensors Journal, IEEE

Publisher

ieee

ISSN

1530-437X

Type

jour

DOI

10.1109/JSEN.2012.2183587

Filename

6125966