Title:
CURRENT TRANSFORMER MODULE
Document Type and Number:
WIPO Patent Application WO/2021/157437
Kind Code:
A1
Abstract:
The present invention provides a current transformer module capable of preventing rising and falling of a primary-side coil and also bobbin cracking due to insertion of the primary-side coil. A current transformer module 10 according to the present invention is a current transformer module provided with a current transformer 10 provided with: a resin bobbin 20 in which a U-shaped primary-side coil 30 passes through a primary-side coil hole 40 provided therethrough and around which a secondary-side coil 27 is wound; and a core 50 mounted on the bobbin; and a casing 80 containing the current transformer, wherein the primary-side coil is a U-shaped pin having a pair of leg sections 32, 32, and a U-shaped curved section connecting the leg sections, and the casing is such that an abutting section 82 which suppresses pulling out of the primary-side coil is formed in a recessed manner in a position facing the U-shaped curved section of the primary-side coil.
Inventors:
IMAZATO YUICHI
KASATANI KAZUHIRO
MORI KAZUSA
KASATANI KAZUHIRO
MORI KAZUSA
Application Number:
PCT/JP2021/002711
Publication Date:
August 12, 2021
Filing Date:
January 27, 2021
Export Citation:
Assignee:
SHT CORPORATION LTD (JP)
International Classes:
H01F38/30; H01F27/02; H01F27/28; H01F27/30; H02M7/48
Foreign References:
| JP2002064020A | 2002-02-28 | |||
| JPH058923U | 1993-02-05 | |||
| JPS61201327U | 1986-12-17 | |||
| US20110115596A1 | 2011-05-19 | |||
| JP6647723B1 | 2020-02-14 | |||
| JPS6318824U | 1988-02-08 |
Other References:
See also references of EP 4102525A4
Attorney, Agent or Firm:
MARUYAMA & CO. (JP)
Download PDF: