JP2014209510A5 - - Google Patents

Download PDF

Info

Publication number
JP2014209510A5
JP2014209510A5 JP2013085827A JP2013085827A JP2014209510A5 JP 2014209510 A5 JP2014209510 A5 JP 2014209510A5 JP 2013085827 A JP2013085827 A JP 2013085827A JP 2013085827 A JP2013085827 A JP 2013085827A JP 2014209510 A5 JP2014209510 A5 JP 2014209510A5
Authority
JP
Japan
Prior art keywords
shows
laminated core
load
top view
current
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.)
Granted
Application number
JP2013085827A
Other languages
Japanese (ja)
Other versions
JP6137922B2 (en
JP2014209510A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2013085827A priority Critical patent/JP6137922B2/en
Priority claimed from JP2013085827A external-priority patent/JP6137922B2/en
Publication of JP2014209510A publication Critical patent/JP2014209510A/en
Publication of JP2014209510A5 publication Critical patent/JP2014209510A5/ja
Application granted granted Critical
Publication of JP6137922B2 publication Critical patent/JP6137922B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Description

また、Ｌ負荷を用いて大きい電流を測定する場合は、小さいインダクタンスＬを用いるのが好ましく、時間Ｔの変動に対する電流Ｉの変動が大きいため、短いパルスで設定電流を印加することができ、ハーフブリッジ回路に備えられるバンクコンデンサの電荷の消費を抑えることができる。一方、インダクタンスＬが小さい場合は、小さい電流を精度良く測定することができない。 Further, when measuring a large current using an L load, it is preferable to use a small inductance L. Since the fluctuation of the current I with respect to the fluctuation of the time T is large, the set current can be applied with a short pulse, and half It is possible to suppress the charge consumption of the bank capacitor provided in the bridge circuit. On the other hand, when the inductance L is small, a small current cannot be measured with high accuracy.

上記の課題を解決するために、本発明によるＬ負荷は、複数の板状のコアを積層して形成された積層コアと、積層コアの予め定められた部分に巻き付けられ、電流を流すことが可能な配線とを備え、積層コアは、配線が巻き付けられた部分とは異なる予め定められた部分において、積層コアの断面積が変わるように切り欠いて形成された切り欠き部を少なくとも１つ以上有することを特徴とする。 In order to solve the above problems, L load according to the present invention comprises a laminated core formed by laminating a plurality of plate-shaped core, wound around the predetermined portion of the laminated core, it is possible to flow the current The laminated core includes at least one notch formed by cutting out the cross-sectional area of the laminated core at a predetermined portion different from a portion around which the wire is wound. It is characterized by having.

本発明によると、複数の板状のコアを積層して形成された積層コアと、積層コアの予め定められた部分に巻き付けられ、電流を流すことが可能な配線とを備え、積層コアは、配線が巻き付けられた部分とは異なる予め定められた部分において、積層コアの断面積が変わるように切り欠いて形成された切り欠き部を少なくとも１つ以上有するため、広範囲の電流を精度良く測定し、かつ、従来と取り付け性や強度が変わらず、外部への磁束の漏れ防止が可能となる。 According to the present invention, a laminated core formed by laminating a plurality of plate-like cores, and a wiring that is wound around a predetermined portion of the laminated core and can flow current, the laminated core includes: Since there is at least one notch formed by changing the cross-sectional area of the laminated core in a predetermined part different from the part around which the wiring is wound, a wide range of current can be measured with high accuracy. And attachment property and intensity | strength do not change with the past, and it becomes possible to prevent the leakage of the magnetic flux to the exterior.

本発明の実施の形態１によるＬ負荷の構成の一例を示す平面図である。It is a top view which shows an example of a structure of L load by Embodiment 1 of this invention. 本発明の実施の形態２によるＬ負荷の構成の一例を示す平面図である。It is a top view which shows an example of a structure of L load by Embodiment 2 of this invention. 本発明の実施の形態２による時間と電流との相関の一例を示すグラフである。It is a graph which shows an example of the correlation with time and electric current by Embodiment 2 of this invention. 本発明の実施の形態３によるＬ負荷の構成の一例を示す平面図である。It is a top view which shows an example of a structure of L load by Embodiment 3 of this invention. 本発明の実施の形態３による時間と電流との相関の一例を示すグラフである。It is a graph which shows an example of correlation with time and current by Embodiment 3 of the present invention. 本発明の実施の形態４によるＬ負荷の構成の一例を示す平面図である。It is a top view which shows an example of a structure of L load by Embodiment 4 of this invention. 図６の断面の一例を示す図である。Is a diagram showing an example of the cross-section of FIG. 本発明の変形例１によるコアの構成の一例を示す平面図である。It is a top view which shows an example of a structure of the core by the modification 1 of this invention. 図８の断面の一例を示す図である。It is a figure which shows an example of the cross section of FIG. 本発明の変形例２によるコアの構成の一例を示す平面図である。It is a top view which shows an example of a structure of the core by the modification 2 of this invention. 図１０の断面の一例を示す図である。It is a figure which shows an example of the cross section of FIG. 本発明の変形例２によるコアの構成の他の一例を示す平面図である。It is a top view which shows another example of a structure of the core by the modification 2 of this invention. 本発明の変形例２によるコアの構成の一例を示す平面図である。It is a top view which shows an example of a structure of the core by the modification 2 of this invention. 図１３の断面の一例を示す図である。It is a figure which shows an example of the cross section of FIG. 前提技術によるパワーデバイスの電気的特性測定回路の一例を示す図である。It is a figure which shows an example of the electrical property measurement circuit of the power device by prerequisite technology. 時間と電流との相関の一例を示すグラフである。It is a graph which shows an example of the correlation of time and an electric current. 磁気回路を説明するための図である。It is a figure for demonstrating a magnetic circuit. Ｂ−Ｈ曲線の一例を示す図である。It is a figure which shows an example of a BH curve. 従来のＬ負荷の構成の一例を示す平面図である。It is a top view which shows an example of a structure of the conventional L load. 従来のＬ負荷の構成の他の一例を示す平面図である。It is a top view which shows another example of the structure of the conventional L load.

また、Ｌ負荷のコアには、軟磁性体が用いられる。軟磁性体のＢ−Ｈ曲線を図１８に示す。なお、図１８の縦軸Ｂは単位面積当たりの磁束、すなわち磁束密度を示している。また、横軸Ｈは磁界を示している。

A soft magnetic material is used for the L-load core. A BH curve of the soft magnetic material is shown in FIG. The vertical axis B of Figure 18 illustrates the magnetic flux per unit area, i.e., the magnetic flux density. The horizontal axis H represents the magnetic field.

Claims (1)

複数の板状のコアを積層して形成された積層コアと、
前記積層コアの予め定められた部分に巻き付けられ、電流を流すことが可能な配線と、
を備え、
前記積層コアは、前記配線が巻き付けられた部分とは異なる予め定められた部分において、前記積層コアの断面積が変わるように切り欠いて形成された切り欠き部を少なくとも１つ以上有することを特徴とする、Ｌ負荷。 A laminated core formed by laminating a plurality of plate-shaped cores;
A wire that is wound around a predetermined portion of the laminated core and can pass a current;
With
The laminated core has at least one or more notches formed by cutting so that a cross-sectional area of the laminated core changes in a predetermined portion different from a portion around which the wiring is wound. L load.
JP2013085827A 2013-04-16 2013-04-16 L load Active JP6137922B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013085827A JP6137922B2 (en) 2013-04-16 2013-04-16 L load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013085827A JP6137922B2 (en) 2013-04-16 2013-04-16 L load

Publications (3)

Publication Number Publication Date
JP2014209510A JP2014209510A (en) 2014-11-06
JP2014209510A5 true JP2014209510A5 (en) 2015-07-02
JP6137922B2 JP6137922B2 (en) 2017-05-31

Family

ID=51903585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013085827A Active JP6137922B2 (en) 2013-04-16 2013-04-16 L load

Country Status (1)

Country Link
JP (1) JP6137922B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6142409B2 (en) * 2012-08-06 2017-06-07 高周波熱錬株式会社 Electric heating method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183119A (en) * 1975-01-17 1976-07-21 Sansha Electric Mfg Co Ltd
JPS56145824U (en) * 1980-03-31 1981-11-04
JPS5931216U (en) * 1982-08-19 1984-02-27 フジテック株式会社 Gapped iron core reactor
JPH0631703Y2 (en) * 1985-04-30 1994-08-22 フジテック株式会社 Transformer core structure
JPS62103225U (en) * 1985-12-18 1987-07-01
JPS62154626U (en) * 1986-03-25 1987-10-01
JPH07226320A (en) * 1994-02-14 1995-08-22 Mitsubishi Electric Corp Anode reactor
US20080074230A1 (en) * 2006-09-21 2008-03-27 Ford Motor Company Variable permeability inductor cre structures

Similar Documents

Publication Publication Date Title
JP2017527425A5 (en)
US9279836B2 (en) Device for measuring the direct component of alternating current
EP2779259A3 (en) Magnetoresistive structures and magnetic random-access memory devices including the same
KR102112976B1 (en) Magnetic core flux sensor
JP2014526795A5 (en) Printed circuit board and magnetic field / current sensor
JP2014531018A5 (en)
US9651633B2 (en) Magnetic core flux sensor
EP2688076A3 (en) Linear electromagnetic device
EP3012846B1 (en) Pcb rogowski coil
EP2860535B1 (en) Hall effect sensor core with multiple air gaps
ATE537458T1 (en) CURRENT SENSOR ARRANGEMENT FOR MEASURING CURRENTS IN A PRIMARY CONDUCTOR
JP2015531461A5 (en)
BR112014017339A2 (en) current sensor, and coil for use in conjunction with a current sensor
JP6845247B2 (en) Magnetic field measuring device and method using spin Hall phenomenon
JP2017083173A (en) Magnetometric sensor
JP2014209510A5 (en)
CN103777156A (en) Device and method for detection of saturation of magnetic core of transformer
JP6934740B2 (en) Magnetization measurement method
CN102841324A (en) Circuit structure for anisotropic magnetic resistance device
JP6137922B2 (en) L load
DiMarco Application of PCB and FDM technologies to magnetic measurement probe development
TWI717707B (en) Current sensing method and current sensor
RU2015133734A (en) Combined magnetoresistive sensor
ATE557405T1 (en) SYMMETRIC INDUCTIVE COMPONENTS, ESPECIALLY FOR PROXIMITY SENSORS
JP6096058B2 (en) Electromagnetic force generator for electromagnetic balance type weighing device