JPH02150573U - - Google Patents

Info

Publication number
JPH02150573U
JPH02150573U JP6125989U JP6125989U JPH02150573U JP H02150573 U JPH02150573 U JP H02150573U JP 6125989 U JP6125989 U JP 6125989U JP 6125989 U JP6125989 U JP 6125989U JP H02150573 U JPH02150573 U JP H02150573U
Authority
JP
Japan
Prior art keywords
magnetic
thin plate
core
plate core
sensing element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6125989U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6125989U priority Critical patent/JPH02150573U/ja
Publication of JPH02150573U publication Critical patent/JPH02150573U/ja
Pending legal-status Critical Current

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  • Transformers For Measuring Instruments (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案による方形の金属磁性薄板コア
を用いた電流検出器の構造を示す斜視図。第２図
は第１図に示す電流検出器の側面図。第３図は本
考案による環状の金属磁性薄板コアを用いた電流
検出器の構造を示す斜視図。第４図は感磁素子を
取り付けた回路実装基板を示す斜視図。第５図は
本考案による電流検出器の金属磁性薄板コアの実
装構造の一例を示す斜視図。第６図は従来の金属
磁性薄板コアの実装構造を示す斜視図。 １……感磁素子、２……回路実装基板、３……
金属磁性薄板コア、４……磁気空隙、５……外部
端子、６……巻線、７……樹脂ケース、８……コ
アガイド、９……樹脂ケース蓋、１０……突起部
、１１……窓、１２……樹脂ケースカバー。 FIG. 1 is a perspective view showing the structure of a current detector using a square metal magnetic thin plate core according to the present invention. FIG. 2 is a side view of the current detector shown in FIG. 1. FIG. 3 is a perspective view showing the structure of a current detector using an annular metal magnetic thin plate core according to the present invention. FIG. 4 is a perspective view showing a circuit mounting board to which a magnetic sensing element is attached. FIG. 5 is a perspective view showing an example of the mounting structure of the metal magnetic thin plate core of the current detector according to the present invention. FIG. 6 is a perspective view showing the mounting structure of a conventional metal magnetic thin plate core. 1...Magnetic sensing element, 2...Circuit mounting board, 3...
Metal magnetic thin plate core, 4...Magnetic gap, 5...External terminal, 6...Winding wire, 7...Resin case, 8...Core guide, 9...Resin case lid, 10...Protrusion, 11... ...Window, 12...Resin case cover.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 環状の金属磁性薄板コアを積層した磁性コアの
磁路の一部に感磁素子を収納する磁気空隙を設け
、該磁性コアに巻線を施して前記磁気空隙内に配
置された感磁素子により巻線に流れる被測定電流
を検出し、感磁素子に誘起された電圧を増巾回路
を通して巻線に流れる被測定電流を測定する電流
検出器において、前記金属磁性薄板コアには予め
感磁素子を収める磁気空隙と、金属磁性薄板コア
を収納する絶縁性の樹脂ケース内壁の突起に嵌合
するくぼみを設け、熱処理後、樹脂ケース内に金
属磁性薄板コアを積層固定するように構成したこ
とを特徴とする電流検出器。 A magnetic air gap is provided in a part of the magnetic path of the magnetic core in which annular metal magnetic thin plate cores are laminated, and a magnetic sensing element is placed in the magnetic air gap by winding the magnetic core. In a current detector that detects a current to be measured flowing through a winding, and passes a voltage induced in a magnetic sensing element through an amplification circuit to measure the current flowing through the winding, the magnetic thin plate core is provided with a magnetic sensing element in advance. A magnetic gap is provided to accommodate the metal magnetic thin plate core, and a recess is provided to fit into the protrusion on the inner wall of the insulating resin case that houses the metal magnetic thin plate core, and after heat treatment, the metal magnetic thin plate core is laminated and fixed inside the resin case. Characteristic current detector.
JP6125989U 1989-05-25 1989-05-25 Pending JPH02150573U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6125989U JPH02150573U (en) 1989-05-25 1989-05-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6125989U JPH02150573U (en) 1989-05-25 1989-05-25

Publications (1)

Publication Number Publication Date
JPH02150573U true JPH02150573U (en) 1990-12-26

Family

ID=31589353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6125989U Pending JPH02150573U (en) 1989-05-25 1989-05-25

Country Status (1)

Country Link
JP (1) JPH02150573U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10253666A (en) * 1997-03-14 1998-09-25 Stanley Electric Co Ltd Current detecting apparatus
JP2006519375A (en) * 2003-02-27 2006-08-24 リエゾン、エレクトロニク−メカニク、エルウエム、ソシエテ、アノニム Current sensor
JP2008020404A (en) * 2006-07-14 2008-01-31 Asahi Kasei Electronics Co Ltd Current detection mechanism and method of assembling the same
WO2008111586A1 (en) * 2007-03-14 2008-09-18 Tamura Corporation Current detector
JP2013250257A (en) * 2012-05-01 2013-12-12 Mitsumi Electric Co Ltd Current sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62151765A (en) * 1985-12-26 1987-07-06 Toyoda Autom Loom Works Ltd Current detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62151765A (en) * 1985-12-26 1987-07-06 Toyoda Autom Loom Works Ltd Current detector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10253666A (en) * 1997-03-14 1998-09-25 Stanley Electric Co Ltd Current detecting apparatus
JP2006519375A (en) * 2003-02-27 2006-08-24 リエゾン、エレクトロニク−メカニク、エルウエム、ソシエテ、アノニム Current sensor
JP2008020404A (en) * 2006-07-14 2008-01-31 Asahi Kasei Electronics Co Ltd Current detection mechanism and method of assembling the same
WO2008111586A1 (en) * 2007-03-14 2008-09-18 Tamura Corporation Current detector
JP2013250257A (en) * 2012-05-01 2013-12-12 Mitsumi Electric Co Ltd Current sensor

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