JP2001194392A - Current detector - Google Patents

Current detector

Info

Publication number
JP2001194392A
JP2001194392A JP2000006462A JP2000006462A JP2001194392A JP 2001194392 A JP2001194392 A JP 2001194392A JP 2000006462 A JP2000006462 A JP 2000006462A JP 2000006462 A JP2000006462 A JP 2000006462A JP 2001194392 A JP2001194392 A JP 2001194392A
Authority
JP
Japan
Prior art keywords
current
magnetic field
air gap
electric wire
conversion device
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
JP2000006462A
Other languages
Japanese (ja)
Inventor
Yoshio Odate
義雄 大館
Fuyuki Kurokawa
冬樹 黒川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Meter Techno Co Ltd
Original Assignee
Toshiba Corp
Toshiba Meter Techno Co Ltd
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 by Toshiba Corp, Toshiba Meter Techno Co Ltd filed Critical Toshiba Corp
Priority to JP2000006462A priority Critical patent/JP2001194392A/en
Publication of JP2001194392A publication Critical patent/JP2001194392A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a current detector at a low cost by use of a structure realizing a reduction in assembling and manufacturing costs, an improvement in part manufacturability and the common use of a part. SOLUTION: The space of the air gap 8 of a square core 7 constituting the current-magnetic converting device of this current detector is set sufficiently wide to insert a cable ring 9, and one side part forming the air gap 9 and a position 10 for mounting the cable ring 9 are formed into a linearly continued shape, whereby the cable ring 9 can be inserted in one direction from the air gap 8 side. The space of the air gap 9 is set sufficiently wide to arrange a substrate 1 having a magnetic detecting element 4 mounted on the plate surface. According to this, the substrate 1 can be made to the same substrate as the peripheral circuit for performing the signal processing of a magnetic detecting element 4 or the like.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、例えば電力量測定
装置、電力測定装置、電流測定装置等に適応可能な電流
検出装置に関し、特に、被測定電流を一度磁界に変換
し、その磁界強度を電気に変換して測定する機能を有す
る電流検出装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a current detecting device applicable to, for example, a power measuring device, a power measuring device, a current measuring device, and the like. The present invention relates to a current detection device having a function of measuring by converting to electricity.

【0002】[0002]

【従来の技術】従来、この種の電流検出装置としては、
図6に示すような形状のものが知られている。この電流
検出装置は、電源供給側から負荷側に至る電線1を、電
流−磁界変換装置を構成する輪状のコア2に巻き付けて
いる。この輪状のコア2のエアギャップ3の間隔は、磁
気検出素子4に印加される磁界強度を上げる為狭くする
必要があり、エアギャップ3を狭くするため磁気検出素
子4単体がエアギャップ3に配置される構造となってい
る。
2. Description of the Related Art Conventionally, as this type of current detecting device,
A shape as shown in FIG. 6 is known. In this current detection device, an electric wire 1 from a power supply side to a load side is wound around a ring-shaped core 2 constituting a current-magnetic field conversion device. The space between the air gaps 3 of the ring-shaped core 2 needs to be narrowed in order to increase the magnetic field intensity applied to the magnetic sensing element 4. In order to narrow the air gap 3, the magnetic sensing element 4 alone is arranged in the air gap 3. It is a structure that is performed.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、上記電
流検出装置においては、エアギャップ3の間隔が狭いた
め、電線1をあらかじめ輪状に加工してからコア2に挿
入することが困難であった。
However, in the above current detecting device, it is difficult to insert the wire 1 into the core 2 after processing the wire 1 into a ring shape in advance because the gap of the air gap 3 is narrow.

【0004】このため、電線1をコア2に巻き付けてい
るが、巻き付ける作業は電線1の材質が柔らかい場合に
のみ可能であり、電線1に流れる被測定電流が小さい場
合に巻き数を増やすことも困難であった。また、巻き付
ける作業は組立製造コストがかかるものであった。
For this reason, the electric wire 1 is wound around the core 2. However, the winding operation can be performed only when the material of the electric wire 1 is soft, and when the current to be measured flowing through the electric wire 1 is small, the number of turns may be increased. It was difficult. In addition, the winding operation requires assembly and manufacturing costs.

【0005】また、磁気検出素子4単体をエアギャップ
3に配置するため、磁気検出素子4を実装する基板5に
キリカキ6を設けていたが、このキリカキ6は基板強度
低下および製造コスト増加の原因となっていた。
Also, in order to dispose the magnetic sensing element 4 alone in the air gap 3, a squeeze 6 is provided on the substrate 5 on which the magnetic sensing element 4 is mounted. However, the squeal 6 causes a reduction in substrate strength and an increase in manufacturing cost. Had become.

【0006】さらに、コア2の形状が輪状である為、ケ
ースなどへの固定が難しかった。
Furthermore, since the core 2 has a ring shape, it is difficult to fix the core 2 to a case or the like.

【0007】また、絶縁耐電圧に関する対策がなかっ
た。
[0007] Further, there is no countermeasure against the withstand voltage.

【0008】本発明は、上記に鑑みてなされたもので、
その目的としては、組立製造コストの減少、部品製造性
の向上、部品の共通化を実現した構造により、ローコス
トな電流検出装置を提供することにある。
[0008] The present invention has been made in view of the above,
It is an object of the present invention to provide a low-cost current detection device with a structure that realizes a reduction in assembly / manufacturing costs, an improvement in component manufacturability, and a common component.

【0009】[0009]

【課題を解決するための手段】請求項1に記載の本発明
に係る電流検出装置は、上記課題を解決するため、電源
供給側から負荷側に至る電線を輪状に成形した電線輪
と、この電線輪の中心付近にその一部を有し、電線輪の
被測定電流を磁界に変換する電流−磁界変換装置と、こ
の電流−磁界変換装置に設けられたエアギャップに配置
した磁気検出素子を用いて当該磁界の強度に応じた電圧
に変換する磁界−電圧変換装置とから成る電流検出装置
において、電流−磁界変換装置のエアギャップの間隔
を、少なくとも輪状に成形した電線輪を挿入することが
できる間隔としたことを要旨とする。
According to a first aspect of the present invention, there is provided a current detecting device, comprising: a wire ring formed by forming a wire from a power supply side to a load side into a ring shape; A current-magnetic field converter having a part near the center of the wire loop and converting a measured current of the wire loop into a magnetic field, and a magnetic detection element arranged in an air gap provided in the current-magnetic field converter. And a magnetic field-to-voltage converter that converts the voltage into a voltage corresponding to the strength of the magnetic field. The gist is to make the interval possible.

【0010】請求項1に記載の本発明にあっては、エア
ギャップの間隔を少なくとも輪状に成形した電線輪を挿
入することができる間隔としたことにより、電線を電流
-磁界変換装置に巻き付けるのではなく、あらかじめ電
線を輪状に成形して電流-磁界変換装置に挿入すること
が可能であり、材質の堅い電線であってもその加工が容
易となるという作用を有する。
According to the first aspect of the present invention, the gap between the air gaps is at least a gap into which a wire loop formed in a ring shape can be inserted, so that the electric wire is supplied with a current.
-It is possible to form an electric wire in a loop and insert it into the current-magnetic field converter instead of winding it around the magnetic field converter. .

【0011】請求項2に記載の本発明は、上記課題を解
決するため、請求項1に記載の電流検出装置において、
電流−磁界変換装置におけるエアギャップを形成する片
側の部分を、電線輪の取り付け箇所と直線的に連続した
形状としたことを要旨とする。
According to a second aspect of the present invention, there is provided a current detecting device according to the first aspect, wherein:
The gist is that a portion on one side forming an air gap in the current-magnetic field conversion device has a shape linearly continuous with a mounting portion of a wire loop.

【0012】請求項2に記載の本発明にあっては、電流
−磁界変換装置に前記電線輪を直線方向に挿入可能であ
るという作用を有する。
The present invention according to claim 2 has the effect that the wire loop can be inserted into the current-magnetic field converter in a linear direction.

【0013】請求項3に記載の本発明は、上記課題を解
決するため、請求項1に記載の電流検出装置において、
電流−磁界変換装置のエアギャップに、磁気検出素子を
板面上に実装した基板を配置したことを要旨とする。
According to a third aspect of the present invention, there is provided a current detecting device according to the first aspect, wherein:
The gist is that a substrate on which a magnetic detection element is mounted on a plate surface is arranged in an air gap of the current-magnetic field converter.

【0014】請求項3に記載の本発明にあっては、磁気
検出素子を実装した基板にキリカキを設けていないた
め、基板強度向上、製造コスト低減という作用を有す
る。
According to the third aspect of the present invention, since no sharpness is provided on the substrate on which the magnetic sensing element is mounted, the effect of improving the substrate strength and reducing the manufacturing cost is obtained.

【0015】請求項4に記載の本発明は、上記課題を解
決するため、請求項1に記載の電流検出装置において、
電流−磁界変換装置における電線輪の取り付け箇所を、
巻き数の異なる複数種類の電線輪のうちのいずれをも取
り付けられるように広くしたことを要旨とする。
According to a fourth aspect of the present invention, there is provided a current detecting device as set forth in the first aspect, wherein:
The installation location of the wire loop in the current-magnetic field converter is
The gist of the present invention is that the wire is widened so that any of a plurality of types of wire loops having different numbers of turns can be attached.

【0016】請求項4に記載の本発明にあっては、電線
輪の被測定電流が小さい場合に、磁気検出素子に印加さ
れる磁界強度を上げるため、電線輪の巻き数を増やすこ
とが容易であり、被測定電流の定格の大小に関わらず、
同一の電流−磁界変換装置を使用可能であるという作用
を有する。
According to the fourth aspect of the present invention, when the measured current of the electric wire is small, the strength of the magnetic field applied to the magnetic detecting element is increased, so that it is easy to increase the number of turns of the electric wire. And regardless of the magnitude of the current to be measured,
This has the effect that the same current-magnetic field converter can be used.

【0017】請求項5に記載の本発明は、上記課題を解
決するため、請求項1に記載の電流検出装置において、
電流-磁界変換装置の形状が角形であることを要旨とす
る。
According to a fifth aspect of the present invention, there is provided a current detecting device according to the first aspect, wherein:
The gist is that the shape of the current-magnetic field converter is square.

【0018】請求項5に記載の本発明にあっては、電流
-磁界変換装置の形状が角形であるため、ケース等への
固定が容易であるという作用を有する。
According to the fifth aspect of the present invention, the current
-Since the magnetic field conversion device has a square shape, it has an effect that it can be easily fixed to a case or the like.

【0019】請求項6に記載の本発明は、上記課題を解
決するため、請求項1に記載の電流検出装置において、
電流-磁界変換装置に絶縁カバーを設けたことを要旨と
する。
According to a sixth aspect of the present invention, there is provided a current detecting device according to the first aspect, wherein:
The gist is that an insulating cover is provided on the current-magnetic field converter.

【0020】請求項6記載の発明にあっては、絶縁カバ
ーにより縁面距離を上げ、電線輪と電流-磁界変換装置
間での雷などによる高圧放電を防ぐことができるという
作用を有する。
According to the sixth aspect of the present invention, there is an effect that the edge distance can be increased by the insulating cover, and high-voltage discharge due to lightning between the electric wire loop and the current-magnetic field converter can be prevented.

【0021】[0021]

【発明の実施の形態】以下、本発明の実施形態を、図面
を参照して説明する。
Embodiments of the present invention will be described below with reference to the drawings.

【0022】(第1の実施形態)図1は、本発明の第1
の実施形態に係る電流検出装置の構造を示す図であり、
図2は、図1を各要素毎に分けて示した図である。また
図3は電流検出装置のコアをケースへ固定した部分の断
面構造を示す図である。
(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
It is a diagram showing a structure of a current detection device according to the embodiment of the present invention,
FIG. 2 is a diagram showing FIG. 1 separately for each element. FIG. 3 is a diagram showing a cross-sectional structure of a portion where the core of the current detection device is fixed to the case.

【0023】図1および図2において、電流−磁界変換
装置を構成する四角形のコア7の一部にエアギャップ8
を設け、エアギャップ8の間隔は電線輪9を挿入するに
十分な広いものとするとともに、磁界検出素子4を板面
上に実装した基板11を配置するに十分な広いものとし
ている。また、エアギャップ8を形成する片側の部分と
電線輪9を取り付ける箇所10は直線的に連続した形状
となっている。
In FIGS. 1 and 2, an air gap 8 is formed in a part of a square core 7 constituting a current-magnetic field conversion device.
The gap of the air gap 8 is set to be wide enough to insert the electric wire loop 9 and wide enough to arrange the substrate 11 on which the magnetic field detecting element 4 is mounted on the plate surface. Further, a portion on one side forming the air gap 8 and a portion 10 where the electric wire ring 9 is attached have a linearly continuous shape.

【0024】このように、エアギャップ8の間隔は電線
輪9を挿入するに十分な広いものであり、エアギャップ
8を形成する片側の部分と電線輪9を取り付ける箇所1
0は直線的に連続した形状となっているため、電線輪9
はエアギャップ8側から、一方向で挿入が可能である。
従って、電線を電流-磁界変換装置に巻き付けるのでは
なく、あらかじめ電線を輪状に成形した電線輪9をコア
7に挿入することが可能であり、材質の堅い電線であっ
てもその加工が容易となる。
As described above, the space between the air gaps 8 is wide enough to insert the electric wire loops 9.
0 has a linearly continuous shape.
Can be inserted in one direction from the air gap 8 side.
Therefore, instead of winding the electric wire around the current-magnetic field conversion device, it is possible to insert the electric wire loop 9 in which the electric wire is formed in a ring shape in advance into the core 7, and even if the electric wire is made of a hard material, the processing is easy. Become.

【0025】また、エアギャップ8の間隔は、磁界検出
素子4を板面上に実装した基板11を配置するに十分な
広いものであるため、基板11は磁気検出素子4の信号
処理などを行なう周辺回路と同一の基板とすることが、
容易に可能である。また、磁気検出素子4を実装した基
板11にキリカキを設けていないため、基板強度向上、
製造コスト低減を図ることができる。
Since the air gap 8 is wide enough to dispose the substrate 11 on which the magnetic field detecting element 4 is mounted on the plate surface, the substrate 11 performs signal processing of the magnetic detecting element 4 and the like. To be on the same board as the peripheral circuit,
It is easily possible. Further, since no sharpness is provided on the substrate 11 on which the magnetic sensing element 4 is mounted, the strength of the substrate is improved.
Manufacturing costs can be reduced.

【0026】また、電線輪の取り付け箇所10は電線輪
9の巻き数を増やすことが、十分可能な広さをもつもの
である。従って図2に示すように、巻き数の異なる複数
種類の電線輪9のいずれをも選択してコア7に取付ける
ことができる。例えば、測定電流定格値が120Aの電
力量計に使用するとき電線輪9の巻き数を1回とし、3
0Aの電力量計に使用するとき巻き数を4回とし、5A
の電力量計に使用するとき巻き数を24回とすること
で、同一のコア7で3種類の定格の電力量計を実現する
ことが可能となる。
Further, the mounting portion 10 of the electric wire loop has a sufficiently large area that the number of turns of the electric wire loop 9 can be increased. Therefore, as shown in FIG. 2, any of a plurality of types of wire loops 9 having different numbers of windings can be selected and attached to the core 7. For example, when used for a watt hour meter having a measured current rating of 120 A, the number of turns of the wire ring 9 is set to one, and
When used for 0A watt hour meter, the number of windings is 4 and 5A
When the number of windings is set to 24 when used in the watt hour meter, three types of watt hour meters with the same core 7 can be realized.

【0027】更に、コア7は角形の形状を有しており、
測定器のケース13に簡単な形状で固定することが可能
である。即ち、図3に示すように、測定器のケース13
の上部内壁から垂下して形成された取り付け部13a
に、取り付け具14を用いて取り付けネジ15により、
角形のコア7の上部の一辺の一部を固定することによ
り、コア7を測定器のケース13に安定して固定するこ
とができる。
Further, the core 7 has a square shape,
It can be fixed in a simple shape to the case 13 of the measuring instrument. That is, as shown in FIG.
Mounting portion 13a hanging from the upper inner wall of the vehicle
In addition, with the mounting screw 14 using the mounting tool 14,
By fixing a part of one side of the upper part of the square core 7, the core 7 can be stably fixed to the case 13 of the measuring instrument.

【0028】(第2の実施形態)図4は本発明の第2の
実施形態に係る電流検出装置のコアの構造を示す図であ
り、図5は図4に示すコアをケースへ固定した部分の断
面構造を示す図である。
(Second Embodiment) FIG. 4 is a view showing a structure of a core of a current detection device according to a second embodiment of the present invention, and FIG. 5 is a portion where the core shown in FIG. 4 is fixed to a case. FIG. 3 is a diagram showing a cross-sectional structure of FIG.

【0029】図4に示すように、電流−磁界変換装置を
構成するコア7は、絶縁性のカバー12で覆われてい
る。即ち、絶縁性のカバー12は、2つに分かれたカバ
ー片によりコア7を左右から挟み込んでコア7を覆うよ
うに構成している。電線輪9は絶縁性のカバー12の外
側に巻回されるが、絶縁性のカバー12は図5の断面図
に示すように、コア7に取り付けられる電線輪9との縁
面距離を上げる構造を有しており、これにより電線輪9
からの雷などによる高電圧放電を防ぐことができる。
As shown in FIG. 4, the core 7 constituting the current-magnetic field converter is covered with an insulating cover 12. That is, the insulating cover 12 is configured to cover the core 7 by sandwiching the core 7 from the left and right by the two separate cover pieces. The electric wire ring 9 is wound around the outside of the insulating cover 12, and the insulating cover 12 has a structure in which the edge surface distance with the electric wire ring 9 attached to the core 7 is increased as shown in the sectional view of FIG. And thereby the wire loop 9
High voltage discharge due to lightning from the sky can be prevented.

【0030】また、この実施形態の場合も、コア7は角
形の形状を有しており、測定器のケース13に簡単な形
状で固定することが可能である。即ち、図5に示すよう
に、測定器のケース13の上部内壁から垂下して形成さ
れた取り付け部13aに、絶縁カバー12の一方の所定
箇所に設けられた取り付け具14を用いて取り付けネジ
15により、絶縁カバー12で覆われた角形のコア7を
固定することにより、絶縁カバー12で覆われたコア7
を測定器のケース13に安定して固定することができ
る。
Also in this embodiment, the core 7 has a rectangular shape, and can be fixed to the measuring instrument case 13 with a simple shape. That is, as shown in FIG. 5, a mounting screw 13 is attached to a mounting portion 13a formed by hanging from an upper inner wall of a case 13 of a measuring instrument by using a mounting tool 14 provided at one predetermined position of an insulating cover 12. By fixing the square core 7 covered with the insulating cover 12, the core 7 covered with the insulating cover 12 is fixed.
Can be stably fixed to the case 13 of the measuring instrument.

【0031】[0031]

【発明の効果】以上、説明したように、本発明によれ
ば、組立製造コストの減少、部品製造性の向上、部品の
共通化を実現した構造により、ローコストな電流検出装
置を実現することができる。
As described above, according to the present invention, a low-cost current detecting device can be realized by a structure that realizes a reduction in assembly / manufacturing costs, an improvement in manufacturability of parts, and a common use of parts. it can.

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

【図1】 本発明の第1の実施形態に係る電流検出装置
の構造を示す斜視図。
FIG. 1 is a perspective view showing the structure of a current detection device according to a first embodiment of the present invention.

【図2】 図1に示す電流検出装置の各要素を示す分解
斜視図。
FIG. 2 is an exploded perspective view showing each element of the current detection device shown in FIG.

【図3】 図1に示す電流検出装置のコアをケースへ固
定した部分の構造を示す断面図。
FIG. 3 is a sectional view showing the structure of a portion where the core of the current detection device shown in FIG. 1 is fixed to a case.

【図4】 本発明の第2の実施形態に係る電流検出装置
のコアの構造を示す分解斜視図。
FIG. 4 is an exploded perspective view showing a structure of a core of a current detection device according to a second embodiment of the present invention.

【図5】 図4に示すコアをケースへ固定した部分の構
造を示す断面図。
FIG. 5 is a sectional view showing a structure of a portion where the core shown in FIG. 4 is fixed to a case.

【図6】 従来の電流検出装置の構造を示す斜視図。FIG. 6 is a perspective view showing the structure of a conventional current detection device.

【符号の説明】 1…電線 2…電流-磁界変換装置 3…エアギャップ 4…磁界検出素子 5…基板 6…キリカキ 7…コア 8…エアギャップ 9…電線輪 10…電線輪のとり付け箇所 11…基板 12…カバー 13…ケース 13a…取り付け部 14…取り付け具 15…取り付けネジ[Explanation of Signs] 1 ... Electric wire 2 ... Current-magnetic field converter 3 ... Air gap 4 ... Magnetic field detection element 5 ... Substrate 6 ... Kirikaki 7 ... Core 8 ... Air gap 9 ... Wire ring 10 ... Mounting point of wire ring 11 ... Substrate 12 ... Cover 13 ... Case 13a ... Mounting part 14 ... Mounting tool 15 ... Mounting screw

───────────────────────────────────────────────────── フロントページの続き (72)発明者 黒川 冬樹 神奈川県川崎市幸区柳町70番地 株式会社 東芝柳町工場内 Fターム(参考) 2G025 AB01 5E081 AA18 BB08 DD05 EE05 EE13 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Fuyuki Kurokawa 70, Yanagicho, Saiwai-ku, Kawasaki-shi, Kanagawa F-term in Toshiba Yanagimachi Plant (reference) 2G025 AB01 5E081 AA18 BB08 DD05 EE05 EE13

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】電源供給側から負荷側に至る電線を輪状に
成形した電線輪と、この電線輪の中心付近にその一部を
有し、前記電線輪の被測定電流を磁界に変換する電流−
磁界変換装置と、この電流−磁界変換装置に設けられた
エアギャップに配置した磁気検出素子を用いて当該磁界
の強度に応じた電圧に変換する磁界−電圧変換装置とか
ら成る電流検出装置において、前記電流−磁界変換装置
のエアギャップの間隔を、少なくとも前記輪状に成形し
た電線輪を挿入することができる間隔としたことを特徴
とする電流検出装置。
1. An electric wire loop formed by forming an electric wire from a power supply side to a load side into a ring shape, and a current having a part near the center of the electric wire ring and converting a measured current of the electric wire ring into a magnetic field. −
A magnetic field conversion device, and a current detection device including a magnetic field-to-voltage conversion device that converts the voltage into a voltage corresponding to the strength of the magnetic field using a magnetic detection element arranged in an air gap provided in the current-magnetic field conversion device; A current detecting device, wherein an interval of an air gap of the current-magnetic field conversion device is an interval at which at least the wire-shaped wire loop can be inserted.
【請求項2】前記電流−磁界変換装置におけるエアギャ
ップを形成する片側の部分を、前記電線輪の取り付け箇
所と直線的に連続した形状としたことを特徴とする請求
項1に記載の電流検出装置。
2. The current detection device according to claim 1, wherein one side of the current-magnetic field conversion device that forms an air gap has a shape that is linearly continuous with a mounting portion of the wire loop. apparatus.
【請求項3】前記電流−磁界変換装置のエアギャップ
に、前記磁気検出素子を板面上に実装した基板を配置し
たことを特徴とする請求項1に記載の電流検出装置。
3. The current detection device according to claim 1, wherein a substrate on which the magnetic detection element is mounted is disposed in an air gap of the current-magnetic field conversion device.
【請求項4】前記電流−磁界変換装置における前記電線
輪の取り付け箇所を、巻き数の異なる複数種類の電線輪
のうちのいずれをも取り付けられるように広くしたこと
を特徴とする請求項1に記載の電流検出装置。
4. The electric current-magnetic field converter according to claim 1, wherein the mounting position of the electric wire is widened so that any one of a plurality of types of electric wires having different numbers of turns can be attached. The current detection device according to claim 1.
【請求項5】前記電流−磁界変換装置の形状が角形であ
ることを特徴とする請求項1に記載の電流検出装置。
5. The current detection device according to claim 1, wherein the current-magnetic field conversion device has a square shape.
【請求項6】前記電流−磁界変換装置に絶縁カバーを設
けたことを特徴とする請求項1に記載の電流検出装置。
6. The current detection device according to claim 1, wherein an insulation cover is provided on the current-magnetic field conversion device.
JP2000006462A 2000-01-14 2000-01-14 Current detector Pending JP2001194392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000006462A JP2001194392A (en) 2000-01-14 2000-01-14 Current detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000006462A JP2001194392A (en) 2000-01-14 2000-01-14 Current detector

Publications (1)

Publication Number Publication Date
JP2001194392A true JP2001194392A (en) 2001-07-19

Family

ID=18534993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000006462A Pending JP2001194392A (en) 2000-01-14 2000-01-14 Current detector

Country Status (1)

Country Link
JP (1) JP2001194392A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090159671A1 (en) * 2007-12-24 2009-06-25 Dynamics Inc. Cards and devices with magnetic emulators with zoning control and advanced interiors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090159671A1 (en) * 2007-12-24 2009-06-25 Dynamics Inc. Cards and devices with magnetic emulators with zoning control and advanced interiors

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