Title:
CURRENT MEASUREMENT APPARATUS AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/020013
Kind Code:
A1
Abstract:
A current measurement apparatus (300) and an electronic device, capable of improving the sensitivity of the current measurement apparatus (300). The current measurement apparatus (300) comprises: a magnetic sensor (100) configured to sense a magnetic field change of a current to be measured path and convert the magnetic field change into an electrical signal; and a magnetic conduction unit (200) which comprises a magnetic conduction material, and is disposed at at least one of the following positions: on the left side of the magnetic sensor (100), on the right side of the magnetic sensor (100), and above the magnetic sensor (100), wherein the left side and the right side of the magnetic sensor (100) being the left side and the right side of the magnetic sensor (100) along the current to be measured path.
Inventors:
ZHONG SHU (CN)
HU XIAOLU (CN)
JING XIAMING (CN)
YI LIQIONG (CN)
HU XIAOQING (CN)
XIE TAO (CN)
HU XIAOLU (CN)
JING XIAMING (CN)
YI LIQIONG (CN)
HU XIAOQING (CN)
XIE TAO (CN)
Application Number:
PCT/CN2022/090477
Publication Date:
February 23, 2023
Filing Date:
April 29, 2022
Export Citation:
Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
G01R15/20; G01R19/00
Domestic Patent References:
| WO2013080557A1 | 2013-06-06 |
Foreign References:
| CN113791263A | 2021-12-14 | |||
| CN107710001A | 2018-02-16 | |||
| US20080186021A1 | 2008-08-07 | |||
| CN103134526A | 2013-06-05 | |||
| CN103748474A | 2014-04-23 | |||
| JP2011149827A | 2011-08-04 | |||
| JP2014098634A | 2014-05-29 | |||
| JPH0634669A | 1994-02-10 | |||
| CN202110949893A | 2021-08-18 |
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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