JPH06273455A - Turned-on-electricity indicator - Google Patents
Turned-on-electricity indicatorInfo
- Publication number
- JPH06273455A JPH06273455A JP5065196A JP6519693A JPH06273455A JP H06273455 A JPH06273455 A JP H06273455A JP 5065196 A JP5065196 A JP 5065196A JP 6519693 A JP6519693 A JP 6519693A JP H06273455 A JPH06273455 A JP H06273455A
- Authority
- JP
- Japan
- Prior art keywords
- current
- electric wire
- indicator
- detected
- winding
- 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
Links
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、検知対象となる電線な
どに所定値以上の電流が流れているか否かを検知して表
示する通電表示器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a current-carrying indicator for detecting and displaying whether or not a current of a predetermined value or more is flowing through an electric wire or the like to be detected.
【０００２】[0002]
《商用電源用》家庭内や工場内などにおいて、検知対象
となる電線に所定値以上の電流が流れているか否かを検
知して表示する通電表示器としては、従来より電線を切
断して取り付けるものと、電線を挟み込むものとが知ら
れている。<For commercial power supply> As a power indicator that detects whether or not a current exceeding a specified value is flowing in the electric wire to be detected at home or in a factory, etc. It is known that something and an electric wire are sandwiched.
【０００３】電線を切断して取り付ける通電表示器は、
入力された電流の値が所定値以上になったときに点灯す
るネオン管等を備えており、検知対象となる電線の一部
を切断して前記ネオン管の各端子を前記電線に接続し、
ネオン管の点灯有無によって前記電線に電流が流れてい
るか否かを表示する。A current indicator attached by cutting an electric wire is
Equipped with a neon tube or the like that lights when the value of the input current exceeds a predetermined value, disconnecting a part of the electric wire to be detected and connecting each terminal of the neon tube to the electric wire,
Whether or not current is flowing through the electric wire is displayed depending on whether or not the neon tube is turned on.
【０００４】また、電線を挟み込む通電表示器は、２つ
の半リング部材を一側部で回動自在に接続するととも
に、これらの半リング部材に巻回される２次巻線と、こ
の２次巻線に誘起される電流の値を表示するメータとを
備えている。そして、各半リング部材の各他側部を開い
て検知対象となる電線を挟んだ後、各半リング部材を閉
じて結合させ、この状態で前記電線に流れる電流値をメ
ータ表示する。In addition, in the current indicator which sandwiches the electric wire, two half ring members are rotatably connected at one side, and a secondary winding wound around these half ring members and the secondary winding. And a meter for displaying the value of the current induced in the winding. Then, after opening the other side of each half ring member to sandwich the electric wire to be detected, each half ring member is closed and connected, and the current value flowing through the electric wire is displayed in meters in this state.
【０００５】《高周波電源用》また、テレビ放送所など
において、検知対象となる大電力高周波信号線などに高
周波電流が流れているか否かを検知して表示する通電表
示器としては、従来より貫通型高周波変流器を使用した
ものが知られている。<< For high-frequency power source >> Further, in a television broadcasting station, as an energization indicator for detecting and displaying whether or not a high-frequency current is flowing through a high-power high-frequency signal line or the like to be detected, there is a conventional penetration indicator. A type using a high frequency current transformer is known.
【０００６】但し、通電表示器として、簡単な構造で高
耐圧な通電表示器は開発されていない。However, a current-carrying indicator having a simple structure and high withstand voltage has not been developed.
【０００７】[0007]
【発明が解決しようとする課題】しかしながら、上述し
た従来の通電表示器においては、次に述べるような問題
があった。However, the above-described conventional energization indicator has the following problems.
【０００８】《商用電源用》すなわち、商用電源用とし
て使用されている通電表示器のうち、電線を切断して取
り付ける通電表示器は、取付け作業に時間と手間がかか
り過ぎるばかりか、検出後に電線を接続して元の状態に
戻さねばならず極めて煩わしいという問題があった。<< Commercial Power Supply >> That is, among the power supply indicators used for the commercial power supply, the power supply display which is cut and attached with the electric wire not only takes too much time and labor for the installation work, but also the electric wire after the detection. There was a problem that it was extremely annoying to connect and to return to the original state.
【０００９】また、電線を挟み込む通電表示器は、各半
リング部材を互いに結合させた際のリング内径よりも太
い電線は、挟み込むことができないので、検出可能範囲
は電線の外径に規制され、汎用性に欠ける。Further, in the energization indicator for sandwiching an electric wire, an electric wire thicker than the ring inner diameter when the respective half ring members are coupled to each other cannot be caught, so that the detectable range is restricted to the outer diameter of the electric wire. It lacks versatility.
【００１０】また、これら電線を切断して取り付ける通
電表示器や電線を挟み込む通電表示器では、高圧回路で
使用しているネオン管が劣化して、電線に所定値以上の
電流が流れていてもネオン管が点灯しないことがあっ
た。In addition, in the energization indicator which cuts and attaches these electric wires and the electrification indicator which sandwiches the electric wire, even if the neon tube used in the high voltage circuit deteriorates and a current of a predetermined value or more flows in the electric wire. The neon tube sometimes did not light.
【００１１】《高周波電源用》一方、検知対象となる大
電力高周波信号線などに高周波電流が流れているか否か
を検知して表示するために使用される貫通型高周波変流
器は、その構造上、使用電圧に対する耐圧を高くしなけ
ればならず、小型化が困難、かつ高価であるという問題
があった。<For high-frequency power source> On the other hand, the through-type high-frequency current transformer used for detecting and displaying whether or not a high-frequency current is flowing through a high-power high-frequency signal line to be detected has a structure In addition, there is a problem that it is difficult to reduce the size and the cost is high because the withstand voltage against the working voltage must be increased.
【００１２】本発明は上記の事情に鑑みてなされたもの
であり、その目的は、電線を切断することなく、かつ電
線の外径に制限されることなく電線の電流有無を容易に
検出することができるとともに、検出時の信頼性を大幅
に向上させることができる通電表示器を安価に提供する
ことにある。The present invention has been made in view of the above circumstances, and an object thereof is to easily detect the presence or absence of a current in an electric wire without cutting the electric wire and without being restricted by the outer diameter of the electric wire. In addition, it is possible to provide an electricity indicator at low cost, which can significantly improve the reliability at the time of detection.
【００１３】また、他の目的は、簡単かつ小型な構造で
大電力高周波信号線などに高周波電流が流れているか否
かを容易に検出することができる通電表示器を安価に提
供することにある。Another object of the present invention is to provide, at a low cost, a current-carrying indicator which has a simple and compact structure and can easily detect whether or not a high-frequency current is flowing through a high-power high-frequency signal line or the like. .
【００１４】[0014]
【課題を解決するための手段】上記の目的を達成するた
めに第１の発明では、検知対象となる電線に所定値以上
の電流が流れているか否かを検出する通電表示器におい
て、２次巻線となる巻線部材と、可撓性を有し、前記巻
線部材と検知対象となる電線とを磁気的に結合するテー
プ状の磁性部材と、前記巻線部材に接続され、該巻線部
材に誘起された誘導起電力によって点灯駆動される発光
素子とを備えたことを特徴とする。In order to achieve the above object, in the first aspect of the present invention, a secondary indicator is provided in an electrification indicator for detecting whether or not a current of a predetermined value or more is flowing through an electric wire to be detected. A winding-shaped member serving as a winding, a tape-shaped magnetic member having flexibility, which magnetically couples the winding member and an electric wire to be detected, and the winding member connected to the winding member. And a light emitting element driven to be turned on by an induced electromotive force induced in the line member.
【００１５】また、第２の発明では、検知対象となる信
号線もしくは通電部位に所定値以上の高周波電流が流れ
ているか否かを検出する通電表示器において、前記検知
対象となる信号線もしくは通電部位が作る磁界中に配置
され、２次巻線となる巻線部材と、前記巻線部材と検知
対象となる電線とを磁気的に結合する結合部材と、前記
巻線部材に接続され、該巻線部材に誘起された誘導起電
力によって点灯駆動される発光素子とを備えたことを特
徴とする。According to the second aspect of the invention, in the energization indicator for detecting whether or not a high frequency current of a predetermined value or more is flowing in the signal line or energized portion to be detected, the signal line or energized to be detected. A winding member that is disposed in a magnetic field created by the part, and that is a secondary winding, a coupling member that magnetically couples the winding member and an electric wire to be detected, and a connecting member that is connected to the winding member. And a light emitting element driven to be turned on by an induced electromotive force induced in the winding member.
【００１６】[0016]
【作用】上記の構成において、第１の発明では、可撓性
を有するテープ状の磁性部材を検知対象となる電線に巻
き付けることにより、電線と磁性部材とを磁気的に結合
した変流器を構成する。そして、電線に所定値以上の電
流が流れているとき、２次巻線となる磁性部材に起電力
が誘起され、この誘導起電力により巻線部材に電流が流
れて発光素子が点灯する。According to the first aspect of the present invention, in the first aspect of the invention, there is provided a current transformer in which a flexible tape-shaped magnetic member is wound around an electric wire to be detected to magnetically connect the electric wire and the magnetic member. Constitute. Then, when a current equal to or higher than a predetermined value flows in the electric wire, an electromotive force is induced in the magnetic member that serves as the secondary winding, and the induced electromotive force causes a current to flow in the winding member to light the light emitting element.
【００１７】また、第２の発明では、検知対象となる信
号線もしくは通電部位の磁界中に磁性部材が配置され、
前記電線に電流が流れているとき、前記２次巻線に起電
力が誘起され、この誘導起電力により巻線部材に電流が
流れて発光素子が点灯する。Further, in the second invention, the magnetic member is arranged in the magnetic field of the signal line or the energized portion to be detected,
When a current is flowing through the electric wire, an electromotive force is induced in the secondary winding, and the induced electromotive force causes a current to flow through the winding member to light the light emitting element.
【００１８】[0018]
《商用電源用》図１は本発明に係る通電表示器の第１実
施例を示す斜視図である。<< For Commercial Power Supply >> FIG. 1 is a perspective view showing a first embodiment of an energization indicator according to the present invention.
【００１９】この図に示す通電表示器１は、磁性部材と
しての金属テープ２と、巻線部材としての２次巻線３
と、発光素子としてのＬＥＤ表示器４とを備えている。The current indicator 1 shown in this figure includes a metal tape 2 as a magnetic member and a secondary winding 3 as a winding member.
And an LED display 4 as a light emitting element.
【００２０】２次巻線３は、電線を所定の回数だけ巻回
して構成される中空のコイルであり、検知対象となる電
線５の電流有無を検出するとき、検知対象となる電線５
の近傍に配置し、金属テープ２によって前記電線５と磁
気的に結合される。The secondary winding 3 is a hollow coil formed by winding an electric wire a predetermined number of times, and when detecting the presence or absence of current in the electric wire 5 to be detected, the electric wire 5 to be detected is detected.
And is magnetically coupled to the electric wire 5 by the metal tape 2.
【００２１】金属テープ２は、可撓性を有しかつ高い比
透磁率を持つ磁性材料によって構成されるテープであ
る。The metal tape 2 is a tape made of a magnetic material having flexibility and high relative magnetic permeability.
【００２２】また、ＬＥＤ表示器４は、２次巻線３と一
体に構成され、図２に示す如く、赤色または青色などで
発光するＬＥＤ６と、このＬＥＤ６に流れる電流の値を
規制する抵抗７とを備えている。The LED indicator 4 is formed integrally with the secondary winding 3, and as shown in FIG. 2, the LED 6 emits red or blue light, and the resistor 7 that regulates the value of the current flowing through the LED 6. It has and.
【００２３】上記の構成において、検知対象となる電線
５に電流が流れているか否かを検出する場合、まず電線
５の近傍に２次巻線３を配置する。そして、金属テープ
２を２次巻線３の中孔を通し、かつ電線５全体を囲むよ
うに数回〜数十回程度巻付ける。これにより、２次巻線
３と前記電線５とが磁気的に結合され変流器が構成され
る。この状態で、電線５に所定値以上の電流が流れる
と、２次巻線３に起電力が誘起され、この誘導起電力に
よりＬＥＤ表示器４が点灯して通電状態を報知する。In the above structure, when detecting whether or not a current flows through the electric wire 5 to be detected, first, the secondary winding 3 is arranged near the electric wire 5. Then, the metal tape 2 is passed through the inner hole of the secondary winding 3 and wound several times to several tens of times so as to surround the entire electric wire 5. Thereby, the secondary winding 3 and the electric wire 5 are magnetically coupled to each other to form a current transformer. In this state, when a current of a predetermined value or more flows in the electric wire 5, an electromotive force is induced in the secondary winding 3, and the LED electromotive force is turned on by the induced electromotive force to notify the energized state.
【００２４】したがって本実施例によれば、電線５を切
断することなく、かつ電線５の線径に制限されることな
く電線５に所定値以上の電流が流れているか否かを検出
することができる。Therefore, according to this embodiment, it is possible to detect whether or not a current of a predetermined value or more is flowing through the electric wire 5 without cutting the electric wire 5 and without being restricted by the wire diameter of the electric wire 5. it can.
【００２５】また、本実施例では、発光素子としてフィ
ラメント断線の虞れのないＬＥＤ表示器４を使用してい
るので、常に適確に通電状態を検出でき、検出時の信頼
性が大幅に向上する。Further, in this embodiment, since the LED display 4 which is free from the risk of filament breakage is used as the light emitting element, the energized state can always be detected accurately, and the reliability at the time of detection is greatly improved. To do.
【００２６】さらに、本実施例においては、電線５に流
れる電流の値に応じて２次巻線３の巻回数を調整するだ
けで、幅広い電流値に対応することができる。Further, in this embodiment, a wide range of current values can be dealt with by simply adjusting the number of turns of the secondary winding 3 according to the value of the current flowing through the electric wire 5.
【００２７】図３は本発明に係る通電表示器の第２実施
例を示す構成図である。FIG. 3 is a block diagram showing a second embodiment of the energization indicator according to the present invention.
【００２８】この図に示す通電表示器１０が図１に示す
通電表示器１と異なる点は、２次巻線３とこの２次巻線
に接続されたＬＥＤ表示器４とを複数個配置し、金属テ
ープ２によって各２次巻線３と電線５とを結合し、各Ｌ
ＥＤ表示器４の点灯有無により電線５に流れる電流の値
を表示するようにしたことである。The current indicator 10 shown in this figure differs from the current indicator 1 shown in FIG. 1 in that a plurality of secondary windings 3 and LED indicators 4 connected to the secondary windings are arranged. , The secondary winding 3 and the electric wire 5 are connected by the metal tape 2,
The value of the current flowing through the electric wire 5 is displayed depending on whether the ED display 4 is turned on or off.
【００２９】各２次巻線３は、それぞれ巻数が異なるよ
うに構成されており、前記電線５に流れる電流の値が最
小であるときには、最も巻数が小さい側のＬＥＤ表示器
４のみが点灯し、前記電線５に流れる電流の値が最大で
あるときには、全てのＬＥＤ表示器４が点灯するように
各２次巻線３の巻数が設定される。Each of the secondary windings 3 has a different number of turns, and when the value of the current flowing through the electric wire 5 is minimum, only the LED display 4 having the smallest number of turns turns on. When the value of the current flowing through the electric wire 5 is the maximum, the number of turns of each secondary winding 3 is set so that all the LED indicators 4 are turned on.
【００３０】すなわち、一般に変流器では、１次電流を
Ｉ1 、２次電流をＩ2 、１次巻線数をｎ1 、２次巻線数
をｎ2 とすると、Ｉ1 ｎ1 ＝Ｉ2 ｎ2 の関係が成立し、
この式から２次電流Ｉ2 と１次電流Ｉ1 との関係を求め
ると、 Ｉ2 ＝（ｎ1 ／ｎ2 ）・Ｉ1 となり、２次電流Ｉ2 の大きさは、２次巻線数ｎ2 に反
比例する。したがって、２次巻線３に接続されているＬ
ＥＤ表示器４は電流の大きさにより点滅するため、２次
巻線数ｎ2 が少ないほど早く点灯することになる。That is, generally, in a current transformer, assuming that the primary current is I 1 , the secondary current is I 2 , the number of primary windings is n 1 , and the number of secondary windings is n 2 , I 1 n 1 = The relationship of I 2 n 2 is established,
When the relation between the secondary current I 2 and the primary current I 1 is calculated from this equation, I 2 = (n 1 / n 2 ) · I 1 and the magnitude of the secondary current I 2 is the secondary winding. It is inversely proportional to the number n 2 . Therefore, the L connected to the secondary winding 3
Since the ED display 4 blinks depending on the magnitude of the current, the smaller the number of secondary windings n 2 is, the faster the light is turned on.
【００３１】このように本実施例においては、金属テー
プ２によって互いに巻数が異なる複数の２次巻線３と、
電線５とを磁気的に結合するようにしているので、上述
した第１実施例と同様の効果を奏するとともに、電線５
に流れる電流の値に応じてそれぞれＬＥＤ表示器４を点
灯するようにしたので、電線にどの程度の電流が流れて
いるか、および電流値の時間的変化を容易に視認でき、
その使い勝手が向上する。As described above, in this embodiment, the plurality of secondary windings 3 having different numbers of turns by the metal tape 2,
Since the electric wire 5 is magnetically coupled, the same effect as that of the above-described first embodiment is obtained, and the electric wire 5 is also provided.
Since the LED indicator 4 is turned on according to the value of the current flowing through the wire, it is possible to easily visually check how much current is flowing in the electric wire and the time change of the current value.
Its usability is improved.
【００３２】また、ＬＥＤ表示器４は、青、赤等、種々
の色を出すことができるので、各ＬＥＤ表示器４を異な
る発色に設定することにより、電線５に流れている電流
の大きさおよびその変化を色の違いで表現できる。さら
に、電線５の用途別にＬＥＤ表示器４の発色を選択すれ
ば、系統毎の通電を色の違いで表現できる。Further, since the LED indicators 4 can emit various colors such as blue and red, by setting the respective LED indicators 4 to different colors, the magnitude of the current flowing through the electric wire 5 can be increased. And the change can be expressed by the difference in color. Furthermore, by selecting the color of the LED display 4 according to the use of the electric wire 5, it is possible to express the energization for each system by a color difference.
【００３３】《高周波電源用》図４は本発明に係る通電
表示器の第３実施例を示す構成図である。<< For High Frequency Power Supply >> FIG. 4 is a constitutional view showing a third embodiment of the energization indicator according to the present invention.
【００３４】この図に示す通電表示器１１は、フェライ
トバー１２と、このフェライトバー１２に巻回された２
次巻線１３と、ＬＥＤ表示器１４とを備えており、ま
た、ＬＥＤ表示器１４は、赤色または青色などで発光す
るＬＥＤ１６と、このＬＥＤ１６に流れる電流の値を規
制する抵抗１７とを備えている。The current indicator 11 shown in this figure has a ferrite bar 12 and two windings wound around the ferrite bar 12.
The secondary winding 13 and the LED indicator 14 are provided, and the LED indicator 14 is provided with the LED 16 that emits red or blue light and the resistor 17 that regulates the value of the current flowing through the LED 16. There is.
【００３５】上記の構成において、検知対象となる高周
波信号線１５に高周波電流が流れているか否かを検出す
る場合、まず検知対象となる高周波信号線１５の近傍
に、２次巻線１３が巻回されたフェライトバー１２をそ
の中心軸が高周波信号線１５の長手方向と直交する方向
に配置してこのフェライトバー１２と前記高周波信号線
１５とが磁気的に結合される状態にする。これにより、
前記高周波信号線１５に所定値以上の高周波電流が流れ
ると、前記フェライトバー１２に巻回されている２次巻
線１３に高周波電流が誘起される。これによりＬＥＤ表
示器１４が点灯して通電を報知する。In the above structure, when detecting whether or not a high frequency current is flowing through the high frequency signal line 15 to be detected, the secondary winding 13 is first wound near the high frequency signal line 15 to be detected. The rotated ferrite bar 12 is arranged such that its central axis is orthogonal to the longitudinal direction of the high frequency signal line 15 so that the ferrite bar 12 and the high frequency signal line 15 are magnetically coupled. This allows
When a high frequency current of a predetermined value or more flows through the high frequency signal line 15, a high frequency current is induced in the secondary winding 13 wound around the ferrite bar 12. As a result, the LED display 14 is turned on to notify the energization.
【００３６】したがって本実施例によれば、貫通型高周
波変流器を使用した従来の通電表示器と比べて小型で簡
素かつ安価に装置を構成することができる。また、高周
波電流の大きさに応じて、２次巻線１３の巻数を変えて
変流比を変化させること、および高周波信号線１５と２
次巻線１３との距離を調整することにより、検出できる
電流値の範囲を広くとることができ、その汎用性が向上
する。さらには、取扱いが容易であるため、長波〜短波
の業務用からアマチュア無線局まで幅広く適用が可能で
ある。Therefore, according to the present embodiment, the device can be made smaller, simpler and cheaper than the conventional energization indicator using the penetration type high frequency current transformer. Further, the number of turns of the secondary winding 13 is changed according to the magnitude of the high frequency current to change the current transformation ratio, and the high frequency signal lines 15 and 2 are changed.
By adjusting the distance to the next winding 13, the range of detectable current value can be widened, and its versatility is improved. Furthermore, since it is easy to handle, it can be widely applied from long-wave to short-wave commercial use to amateur radio stations.
【００３７】図５は本発明に係る通電表示器の第４実施
例を示す斜視図である。FIG. 5 is a perspective view showing a fourth embodiment of the current indicator according to the present invention.
【００３８】この図に示す通電表示器２０は、２次巻線
板２１と、ＬＥＤ表示器２２とを備え、２次巻線板２１
を複数のネジ２３によって大電力高周波信号が流れる通
電部位、例えば、大電力高周波型切替器の可動片２４に
取り付けるようにしたものである。The energization indicator 20 shown in this figure comprises a secondary winding plate 21 and an LED indicator 22.
Is attached to a power-carrying part through which a high-power high-frequency signal flows, for example, a movable piece 24 of the high-power high-frequency type switching device by a plurality of screws 23.
【００３９】２次巻線板２１は、中央部分に中孔２５が
形成されるとともに一部に切欠き２６が形成された金属
板２７によって構成されている。The secondary winding plate 21 is composed of a metal plate 27 having a central hole 25 formed in the central portion and a notch 26 formed in a part thereof.
【００４０】また、ＬＥＤ表示器２２は、前記切欠き２
６間に接続され、赤色または青色などで発光するＬＥＤ
２８と、このＬＥＤ２８に流れる電流の値を規制する抵
抗２９とを備えている。Further, the LED indicator 22 is provided with the notch 2
LED connected between 6 and emitting red or blue light
28 and a resistor 29 that regulates the value of the current flowing through the LED 28.
【００４１】上記の構成において、まず複数のネジ２３
によって２次巻線板２１を検知対象となる大電力高周波
型切替器の可動片２４に取り付ける。これにより可動片
２４と前記２次巻線板２１とが磁気的に結合される。そ
して可動片２４に所定値以上の高周波電流が流れると、
２次巻線板２１に高周波電流が誘起されてＬＥＤ表示器
２２が点灯して通電状態を報知する。In the above structure, first, the plurality of screws 23
Then, the secondary winding plate 21 is attached to the movable piece 24 of the high-power high-frequency switching device to be detected. As a result, the movable piece 24 and the secondary winding plate 21 are magnetically coupled. When a high frequency current of a predetermined value or more flows through the movable piece 24,
A high-frequency current is induced in the secondary winding plate 21 and the LED display 22 lights up to notify the energized state.
【００４２】したがって本実施例によれば、上述した第
３実施例と同様に、貫通型高周波変流器を使用した従来
の通電表示器と比べて構造を簡素化することができ、こ
れによって装置全体を小型化、安価にしつつも、高周波
電流の通電状態を容易に検出することができる。しか
も、金属板２７は、可動片２４のように板状の通電部位
に対してもネジ２３により容易に取り付け可能であり、
検出時の作業能率が向上する。Therefore, according to the present embodiment, the structure can be simplified as compared with the conventional energization indicator using the penetration type high frequency current transformer as in the case of the third embodiment described above. It is possible to easily detect the energization state of the high frequency current while making the whole compact and inexpensive. Moreover, the metal plate 27 can be easily attached to the plate-shaped energized portion like the movable piece 24 by the screw 23,
The work efficiency at the time of detection is improved.
【００４３】なお、本実施例の場合は、この構成に限る
ことなく、２次巻線と電線（可動片２４）とを磁気的に
結合すればよく、ネジ２３で固定することは必ずしも必
須の要件ではない。In the case of the present embodiment, the structure is not limited to this, and the secondary winding and the electric wire (movable piece 24) may be magnetically coupled, and fixing with the screw 23 is not always necessary. Not a requirement.
【００４４】[0044]
【発明の効果】以上説明したように第１の発明によれ
ば、電線を切断することなく、かつ電線の外径に制限さ
れることなく電線の電流有無を容易に検出することがで
きるとともに、検出時の信頼性を大幅に向上させること
ができる通電表示器を安価に提供することが可能とな
る。As described above, according to the first invention, it is possible to easily detect the presence or absence of a current in an electric wire without cutting the electric wire and without being restricted by the outer diameter of the electric wire. It is possible to inexpensively provide a current-carrying indicator capable of significantly improving reliability at the time of detection.
【００４５】また、第２の発明によれば、簡単かつ小型
な構造で大電力高周波信号線などに高周波電流が流れて
いるか否かを容易に検出することができる通電表示器を
安価に提供することが可能となる。Further, according to the second aspect of the present invention, there is provided at low cost a current indicator which has a simple and compact structure and which can easily detect whether or not a high frequency current is flowing through a high power high frequency signal line or the like. It becomes possible.
【００４６】電線を切断することなく、かつ電線の線径
に制限されることなく電線に電流が流れているか否かを
容易に検出することができるとともに、検出時の信頼性
を大幅に向上させることができる。It is possible to easily detect whether or not an electric current is flowing through the electric wire without cutting the electric wire and without being restricted by the wire diameter of the electric wire, and greatly improve the reliability at the time of detection. be able to.
【図１】本発明に係る通電表示器の第１実施例を示す斜
視図である。FIG. 1 is a perspective view showing a first embodiment of an energization indicator according to the present invention.
【図２】図１に示す通電表示器の動作原理を示す模式図
である。FIG. 2 is a schematic diagram showing an operation principle of the electricity flow indicator shown in FIG.
【図３】本発明に係る通電表示器の第２実施例を示す構
成図である。FIG. 3 is a configuration diagram showing a second embodiment of an electrification indicator according to the present invention.
【図４】本発明に係る通電表示器の第３実施例を示す構
成図である。FIG. 4 is a configuration diagram showing a third embodiment of a current-carrying indicator according to the present invention.
【図５】本発明に係る通電表示器の第４実施例を示す斜
視図である。FIG. 5 is a perspective view showing a fourth embodiment of a current-carrying indicator according to the present invention.
１、１０、１１、２０ 通電表示器 ２ 金属テープ（巻線部材） ３、１３ ２次巻線 ４、１４、２２ ＬＥＤ表示器（発光素子） ５ 電線 １２ フェライトバー １５ 高周波信号線 ２１ ２次巻線板 ２４ 可動片（通電部位） ２５ 中孔 ２６ 切欠き ２７ 金属板 1, 10, 11, 20 Current indicator 2 Metal tape (winding member) 3, 13 Secondary winding 4, 14, 22 LED indicator (light emitting element) 5 Electric wire 12 Ferrite bar 15 High frequency signal line 21 Secondary winding Wire plate 24 Movable piece (energized portion) 25 Medium hole 26 Notch 27 Metal plate
【手続補正書】[Procedure amendment]
【提出日】平成５年４月１９日[Submission date] April 19, 1993
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図３[Name of item to be corrected] Figure 3
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図３】 [Figure 3]
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小野沢 裕親 埼玉県南埼玉郡菖蒲町大字三箇3047−１ 日本放送協会菖蒲久喜ラジオ放送所内 (72)発明者 溝上 徹 埼玉県南埼玉郡菖蒲町大字三箇3047−１ 日本放送協会菖蒲久喜ラジオ放送所内 (72)発明者 尾形 雄二 埼玉県南埼玉郡菖蒲町大字三箇3047−１ 日本放送協会菖蒲久喜ラジオ放送所内 (72)発明者 小林 和文 埼玉県南埼玉郡菖蒲町大字三箇3047−１ 日本放送協会菖蒲久喜ラジオ放送所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hirochika Onozawa 3047-1 Ozamachi, Minami-Saitama-gun, Saitama, Japan 3072-1 Inside the Radio Broadcasting Station, Iris Kuki, Japan Broadcasting Corporation (72) Toru Mizogami 3047 Oza-machi, Minami-Saitama-gun, Saitama Prefecture -1 Inside the Japan Broadcasting Corporation's Iris Kuki Radio Broadcasting Station (72) Inventor Yuji Ogata Saitama-cho Minami Saitama-gun, Azabu-cho Sanka 3047-1 Japan Broadcasting Corporation Ayaka Kuki Radio Broadcasting Station (72) Inventor Kobayashi, Saitama-ken Minami-Saitama-gun Azabu-cho Daiji Sanka 3047-1 The Japan Broadcasting Corporation's Shobu Kuki Radio Station
Claims (2)
が流れているか否かを検出する通電表示器において、 ２次巻線となる巻線部材と、 可撓性を有し、前記巻線部材と検知対象となる電線とを
磁気的に結合するテープ状の磁性部材と、 前記巻線部材に接続され、該巻線部材に誘起された誘導
起電力によって点灯駆動される発光素子と、 を備えたことを特徴とする通電表示器。1. A current-carrying indicator for detecting whether or not a current of a predetermined value or more is flowing through an electric wire to be detected, and a winding member serving as a secondary winding, having flexibility, A tape-shaped magnetic member that magnetically couples a wire member and an electric wire to be detected, a light-emitting element that is connected to the winding member and is driven to light by an induced electromotive force induced in the winding member, An electric power indicator characterized by being equipped with.
に所定値以上の高周波電流が流れているか否かを検出す
る通電表示器において、 前記信号線もしくは通電部位が作る磁界中に配置され、
２次巻線となる巻線部材と、 前記巻線部材と検知対象となる電線とを磁気的に結合す
る結合部材と、 前記巻線部材に接続され、該巻線部材に誘起された誘導
起電力によって点灯駆動される発光素子と、 を備えたことを特徴とする通電表示器。2. A current-carrying indicator for detecting whether or not a high-frequency current of a predetermined value or more is flowing through a signal line or a current-carrying part to be detected, the indicator being arranged in a magnetic field created by the signal line or the current-carrying part
A winding member that serves as a secondary winding, a coupling member that magnetically couples the winding member and an electric wire to be detected, and an induction device that is connected to the winding member and is induced in the winding member. An electrification indicator, comprising: a light emitting element that is driven to be turned on by electric power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06519693A JP3200225B2 (en) | 1993-03-24 | 1993-03-24 | Power indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06519693A JP3200225B2 (en) | 1993-03-24 | 1993-03-24 | Power indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06273455A true JPH06273455A (en) | 1994-09-30 |
| JP3200225B2 JP3200225B2 (en) | 2001-08-20 |
Family
ID=13279930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06519693A Expired - Fee Related JP3200225B2 (en) | 1993-03-24 | 1993-03-24 | Power indicator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3200225B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018110872A (en) * | 2012-04-19 | 2018-07-19 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | Energy application apparatus |
| KR101889759B1 (en) * | 2018-03-13 | 2018-08-20 | 성도제 | Cover type Indicator for Terminal |
| WO2021166313A1 (en) * | 2020-02-18 | 2021-08-26 | 株式会社日立産機システム | Electric current sensor, adjustment method therefor, transformer having said electric current sensor mounted thereon, measurement system for analyzing output of electric current sensor of transformer |
-
1993
- 1993-03-24 JP JP06519693A patent/JP3200225B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018110872A (en) * | 2012-04-19 | 2018-07-19 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | Energy application apparatus |
| US10874449B2 (en) | 2012-04-19 | 2020-12-29 | Koninklijke Philips N.V. | Energy application apparatus |
| KR101889759B1 (en) * | 2018-03-13 | 2018-08-20 | 성도제 | Cover type Indicator for Terminal |
| WO2021166313A1 (en) * | 2020-02-18 | 2021-08-26 | 株式会社日立産機システム | Electric current sensor, adjustment method therefor, transformer having said electric current sensor mounted thereon, measurement system for analyzing output of electric current sensor of transformer |
| JP2021131262A (en) * | 2020-02-18 | 2021-09-09 | 株式会社日立産機システム | Current sensor, adjusting method thereof, transformer mounted therewith, and measurement system for analyzing output of current sensor of transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3200225B2 (en) | 2001-08-20 |
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