JPS62141767U

JPS62141767U -

Info

Publication number: JPS62141767U
Application number: JP2992786U
Authority: JP
Priority date: 1986-02-28
Filing date: 1986-02-28
Publication date: 1987-09-07
Anticipated expiration: 2001-02-28
Also published as: JPH0645900Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の構造を示す正面図
ａと側面図ｂ。第２図は本考案の他の実施例の構
造を示す正面図。さらに、第３図は本考案のもう
一つの実施例の構造を示す側面図。第４図は従来
の電流検出器の構造を示す正面図である。図において、１０１は磁気ギヤツプ、１０２は
強磁性体コア、１０３は感磁素子、１０４はコイ
ル、１０５はケース、１０６は回路基板、１０８
は樹脂、１０９はリード線、１１０はボリユーム
抵抗、１０７は外部端子である。 FIG. 1 is a front view a and a side view b showing the structure of an embodiment of the present invention. FIG. 2 is a front view showing the structure of another embodiment of the present invention. Furthermore, FIG. 3 is a side view showing the structure of another embodiment of the present invention. FIG. 4 is a front view showing the structure of a conventional current detector. In the figure, 101 is a magnetic gap, 102 is a ferromagnetic core, 103 is a magnetic sensing element, 104 is a coil, 105 is a case, 106 is a circuit board, 108
109 is a lead wire, 110 is a volume resistor, and 107 is an external terminal.

補正昭６１．６．１１実用新案登録請求の範囲を次のように補正する
。Amendment June 11, 1986 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】 (1) 少なくとも回周形状を有する磁路の一部に
磁気ギヤツプを設けた強磁性体コアと、前記磁気
ギヤツプ内に置かれた感磁素子と、少なくとも前
記感磁素子からの出力信号を処理する回路と部品
からなる回路実装基板とからなる電流検出器にお
いて、前記感磁素子を前記回路実装基板に実装し
、前記感磁素子が前記磁気ギヤツプ内に位置する
ように前記強磁性体コアの平面と前記回路実装基
板の平面を、前記磁気ギヤツプで略直角方向に交
叉させ、前記強磁性体コアと前記回路実装基板を
絶縁性のケースに収容し、前記実装回路基板の回
路端子を前記ケースに保持してなる電流検出器。 (2) 前記ケースを、前記強磁性体コアを収容す
るケースと前記回路実装基板を収容するケースに
分離して製作し後に一体ケースに連結してなる実
用新案登録請求の範囲第(1)項記載の電流検出器
。 (3) 前記ケースの一部分に、上記回路実装基板
の一部分が露出する窓又は切り欠けを設けた実用
新案登録請求の範囲第(1)項又は第(2)項記載の電
流検出器。[Claims for Utility Model Registration] (1) A ferromagnetic core provided with a magnetic gap in at least a part of a magnetic path having a circular shape, a magnetic sensing element placed in the magnetic gap, and at least br/>In a current detector comprising a circuit for processing an output signal from the magneto-sensitive element and a circuit mounting board made up of components, the magneto-sensor element is mounted on the circuit mounting board, and the magneto-sensor element The plane of the ferromagnetic core and the plane of the circuit mounting board intersect at a substantially right angle at the magnetic gap so as to be located within the gap, and the ferromagnetic core and the circuit mounting board are placed in an insulating case. A current detector is housed in the case , and the circuit terminals of the mounted circuit board are held in the case. (2) Utility model registration claim item (1) in which the case is manufactured separately into a case housing the ferromagnetic core and a case housing the circuit mounting board, and then connected to an integrated case. Current detector as described. (3) The current detector according to claim (1) or (2) of the utility model registration claim, wherein a portion of the case is provided with a window or cutout through which a portion of the circuit mounting board is exposed.

Claims

[Claims for Utility Model Registration] (1) A ferromagnetic core in which a magnetic gap is provided in a part of a magnetic path having a rotating shape, a magnetic sensing element placed in the magnetic gap, and the magnetic sensing element In a current detector comprising a circuit mounting board consisting of a circuit and components for processing an output signal from the ferromagnetic core, and a coil wound around a magnetic path of the ferromagnetic core, the magnetic sensing element is connected to the circuit mounting board. The plane of the ferromagnetic core and the plane of the circuit mounting board intersect at a substantially right angle in the magnetic gap so that the magnetic sensing element is located within the magnetic gap, and the ferromagnetic core and the circuit mounting board is housed in an insulating case, the coil is wound around the periphery of the magnetic path of the ferromagnetic core from the outside of the case, and the circuit terminal of the mounted circuit board is held in the case. current detector. (2) Utility model registration claim item (1) in which the case is manufactured separately into a case housing the ferromagnetic core and a case housing the circuit mounting board, and then connected to an integrated case. Current detector as described. (3) The current detector according to claim (1) or (2) of the utility model registration claim, wherein a portion of the case is provided with a window or cutout through which a portion of the circuit mounting board is exposed.