JP6527691B2 - Frequency characteristic correction structure of voltage input resistance portion, component mounting board and measuring apparatus - Google Patents

Frequency characteristic correction structure of voltage input resistance portion, component mounting board and measuring apparatus Download PDF

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JP6527691B2
JP6527691B2 JP2014255500A JP2014255500A JP6527691B2 JP 6527691 B2 JP6527691 B2 JP 6527691B2 JP 2014255500 A JP2014255500 A JP 2014255500A JP 2014255500 A JP2014255500 A JP 2014255500A JP 6527691 B2 JP6527691 B2 JP 6527691B2
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元 依田
元 依田
千明 山浦
千明 山浦
謙太郎 中島
謙太郎 中島
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Hioki EE Corp
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Description

本発明は、電圧入力抵抗部の周波数特性補正構造および部品搭載基板ならびに測定装置に関する。   The present invention relates to a frequency characteristic correction structure of a voltage input resistor portion, a component mounting board, and a measuring apparatus.

電力計を含む各種の電圧測定機器については、電圧を入力抵抗で広帯域にわたり分圧している。このとき、周波数特性を補正するために、入力抵抗と並列に適切な静電容量のコンデンサを配置して周波数特性を補正できるようにしている（たとえば特許文献１参照）。   For various voltage measurement devices, including power meters, the voltage is divided over a wide band by the input resistance. At this time, in order to correct the frequency characteristic, a capacitor of an appropriate capacitance is disposed in parallel with the input resistance so that the frequency characteristic can be corrected (see, for example, Patent Document 1).

たとえば、電圧測定機器が電力計である場合には、数キロボルトの耐圧が必要であるが、市販されているコンデンサの種類が少ないこともあって、任意の定数のものを用意することが難しい。また、コンデンサは、静電容量の温度特性や電圧依存性などが大きいことから、周波数特性に与える影響が大きい。   For example, in the case where the voltage measuring device is a power meter, a withstand voltage of several kilovolts is required, but there are few types of capacitors available on the market, and it is difficult to prepare an arbitrary constant. In addition, since the capacitor has large temperature characteristics and voltage dependency of capacitance, it has a large influence on frequency characteristics.

このため、電力計などに用いるコンデンサについては、空気を誘電体とし、導電性金属で形成した方が、任意の耐圧で、静電容量も比較的安定している高精度のものを製作できるとされている。   Therefore, for capacitors used in wattmeters and the like, it is possible to produce a high-precision capacitor with an arbitrary withstand voltage and relatively stable electrostatic capacitance if air is used as the dielectric and is made of a conductive metal. It is done.

上述した空気を誘電体とするコンデンサは、二つの電極部を有し、この二つの電極部の配置位置によって、コンデンサの静電容量が決定される。また、二つの電極部の間に、抵抗器が配置されるため、コンデンサと抵抗器との間の容量結合もコンデンサの静電容量に影響する。このため、コンデンサの二つの電極部と抵抗器の配置位置を全ての製品で同じ位置にするために、特許文献２のように、コンデンサおよび抵抗器を位置決め配置できるコンデンサユニットが提案されている。   The above-described capacitor having air as a dielectric has two electrode parts, and the arrangement position of the two electrode parts determines the capacitance of the capacitor. In addition, since a resistor is disposed between the two electrode parts, capacitive coupling between the capacitor and the resistor also affects the capacitance of the capacitor. For this reason, in order to make the arrangement position of the two electrode parts of a capacitor, and a resistor into the same position in all products, the capacitor unit which can carry out the positioning arrangement of a capacitor and a resistor like patent document 2 is proposed.

特開平４−２７６５６１号公報JP-A-4-276561 特開２０１４−４９４５９号公報JP, 2014-49459, A

上述したコンデンサおよび抵抗器を位置決め配置できるコンデンサユニットは、コンデンサおよび抵抗器を合成樹脂製のケースで周囲から覆うことにより、コンデンサおよび抵抗器が位置決めされて固定される。しかしこのように合成樹脂製のケースで周囲を囲むコンデンサユニットでは、ケースの分大きくなり、装置の小型化に支障を来す。またケースとコンデンサまたはケースと抵抗器の意図しない容量結合が大きくなってしまう。   The capacitor unit and the resistor can be positioned and arranged. The capacitor and the resistor are positioned and fixed by covering the capacitor and the resistor from the surroundings with a synthetic resin case. However, in the case of the capacitor unit which surrounds the periphery with a synthetic resin case as described above, the size of the case increases, which hinders the downsizing of the apparatus. Also, unintended capacitive coupling between the case and the capacitor or between the case and the resistor is increased.

本発明は、このような背景の下に行われたものであって、小型化と共に、コンデンサと部材との容量結合の割合を小さくすることができる電圧入力抵抗部の周波数特性補正構造および部品搭載基板ならびに測定装置を提供することを目的とする。   The present invention has been made under such a background, and is capable of reducing the ratio of capacitive coupling between a capacitor and a member as well as miniaturizing the frequency characteristic correction structure and component mounting of a voltage input resistor portion. It aims at providing a substrate and a measuring device.

本発明は、抵抗器と、抵抗器に並列に接続され、空気を誘電体とするコンデンサと、を有し、抵抗器とコンデンサとがプリント配線基板上に配置され、コンデンサは、第１および第２の二つの電極部を有し、第１および第２の電極部は、それぞれ一対の側板部と、側板部に相互に架け渡される連結部とを有し、第２の電極部の一対の側板部は、第１の電極部の一対の側板部の外側に平行に配置され、側板部には、プリント配線基板に差し込まれる足部を有し、抵抗器は薄い板状であり、抵抗器の長手方向端部は、第１および第２の電極部の連結部に対向して配置され、コンデンサと抵抗器とが載置される基台を有し、基台は、抵抗器を把持する抵抗器把持部と、第１の電極部および第２の電極部の側板部が嵌まり込む溝部を有する電極部把持部と、を有し、プリント配線基板に対し、コンデンサおよび抵抗器を介して反対側に基台が配置される、ものである。 The present invention comprises a resistor and a capacitor connected in parallel to the resistor and having air as a dielectric, wherein the resistor and the capacitor are disposed on the printed wiring board, and the capacitors are first and second ones. The first and second electrode portions each have a pair of side plate portions and a connecting portion which is bridged to each other on the side plate portions, and the pair of second electrode portions are provided. The side plate portion is disposed parallel to the outside of the pair of side plate portions of the first electrode portion, and the side plate portion has a foot portion to be inserted into the printed wiring board, and the resistor has a thin plate shape. The longitudinal end of the base has a base on which the connection portion of the first and second electrode parts is disposed opposite to and on which the capacitor and the resistor are mounted, and the base grips the resistor a resistor gripping portion, the electrode portion gripping having a groove that writing side plate portion fits in the first electrode portion and the second electrode portion If, have a relative to the printed circuit board, base on the opposite side is arranged via a capacitor and a resistor, it is those.

本発明の他の観点は、本発明の電圧入力抵抗部の周波数特性補正構造が搭載されることを特徴とする部品搭載基板である。   Another aspect of the present invention is a component mounting board on which the frequency characteristic correction structure of the voltage input resistance portion of the present invention is mounted.

本発明のさらに他の観点は、本発明の部品搭載基板を有し、被測定量を測定することを特徴とする測定装置である。   Yet another aspect of the present invention is a measuring apparatus having the component mounting board of the present invention and measuring a measured amount.

本発明によれば、小型化と共に、コンデンサと部材との容量結合の割合を小さくすることができる電圧入力抵抗部の周波数特性補正構造および部品搭載基板ならびに測定装置を提供することができる。   According to the present invention, it is possible to provide a frequency characteristic correction structure for a voltage input resistor portion, a component mounting board, and a measuring device capable of reducing the ratio of capacitive coupling between a capacitor and a member as well as downsizing.

本発明の第一の実施の形態に係る電圧入力抵抗部の周波数特性補正構造を示す斜視図である。It is a perspective view which shows the frequency characteristic correction | amendment structure of the voltage input resistance part which concerns on 1st embodiment of this invention. 図１の基台を示す図である。It is a figure which shows the base of FIG. 図１の基台からコンデンサと抵抗器を切り離した状態を示す図である。It is a figure which shows the state which isolate | separated the capacitor | condenser and the resistor from the base of FIG. 本発明の第二の実施の形態に係る電圧入力抵抗の周波数特待補正構造の斜視図である。It is a perspective view of the frequency characteristic compensation structure of voltage input resistance concerning a second embodiment of the present invention. 図４の斜視図からコンデンサを取り除いた状態を示す図である。It is a figure which shows the state which removed the capacitor | condenser from the perspective view of FIG. 図５の抵抗器と抵抗器把持部の位置関係を説明するための図である。It is a figure for demonstrating the positional relationship of the resistor of FIG. 5, and a resistor holding part. 図６の構成を一方の抵抗器把持部側から見た状態を示す図である。It is a figure which shows the state which looked at the structure of FIG. 6 from the one resistor holding part side. 図７の抵抗器把持部が抵抗器を把持する状態を示す図である。It is a figure which shows the state which the resistor holding part of FIG. 7 hold | maintains a resistor. 本発明の第三の実施の形態に係る電圧入力抵抗部の周波数特性補正構造の斜視図である。It is a perspective view of the frequency characteristic correction | amendment structure of the voltage input resistance part which concerns on 3rd embodiment of this invention. 図９の斜視図からコンデンサを切り離した状態を示す図である。It is a figure which shows the state which isolate | separated the capacitor | condenser from the perspective view of FIG. 図１０の抵抗器と抵抗器把持部の位置関係を説明するための図である。It is a figure for demonstrating the positional relationship of the resistor of FIG. 10, and a resistor holding part. 図１１の構成を一方の抵抗器把持部側から見た状態を示す図である。It is a figure which shows the state which looked at the structure of FIG. 11 from the one resistor holding part side. 図１２の抵抗器把持部が抵抗器を把持する状態を示す図である。It is a figure which shows the state which the resistor holding part of FIG. 12 hold | maintains a resistor. 本発明の第四の実施の形態に係る電圧入力抵抗部の周波数特性補正構造が基板に取り付けられた状態を示す図である。It is a figure which shows the state in which the frequency characteristic correction | amendment structure of the voltage input resistance part which concerns on 4th embodiment of this invention was attached to the board | substrate. 本発明の第四の実施の形態に係る電圧入力抵抗部の周波数特性補正構造の斜視図である。It is a perspective view of the frequency characteristic correction | amendment structure of the voltage input resistance part which concerns on 4th embodiment of this invention. 図１５の電圧入力抵抗部の周波数特性補正構造からコンデンサおよび抵抗器を取り除いた状態を示す図である。It is a figure which shows the state which remove | eliminated the capacitor | condenser and the resistor from the frequency characteristic correction | amendment structure of the voltage input resistance part of FIG. 図１５の電圧入力抵抗部の周波数特性補正構造からコンデンサの一方の電極部を取り除いた状態を示す図である。It is a figure which shows the state which removed the one electrode part of the capacitor | condenser from the frequency characteristic correction | amendment structure of the voltage input resistance part of FIG. 図１５の電圧入力抵抗部の周波数特性補正構造がプリント配線基板に取り付けられると共にシールドケースに覆われている状態を示す図である。It is a figure which shows the state which the frequency characteristic correction | amendment structure of the voltage input resistance part of FIG. 15 is attached to a printed wiring board, and is covered by a shield case. 図１の電圧入力抵抗部の周波数特性補正構造が搭載される部品搭載基板を有する測定装置の構成図である。It is a block diagram of a measuring device which has the components mounting board | substrate with which the frequency characteristic correction | amendment structure of the voltage input resistance part of FIG. 1 is mounted.

（第一の実施の形態）
本発明の第一の実施の形態に係る電圧入力抵抗部の周波数特性補正構造１（以下では、補正構造１と略記する。）の構成を図１〜図３を参照して説明する。図１は、補正構造１を示す斜視図である。図２は、図１の基台２を示す図である。図３は、図１の基台２からコンデンサ１２と抵抗器１１を切り離した状態を示す図である。 (First embodiment)
The configuration of the frequency characteristic correction structure 1 (hereinafter abbreviated as correction structure 1) of the voltage input resistor unit according to the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view showing the correction structure 1. FIG. 2 is a view showing the base 2 of FIG. FIG. 3 is a view showing a state in which the capacitor 12 and the resistor 11 are separated from the base 2 of FIG.

補正構造１は、不図示のプリント配線基板上に、基台２を介して配置され、電力計を含む各種の電圧測定機器の被測定電圧を入力抵抗で広帯域にわたり分圧する際の周波数特性を補正する。   The correction structure 1 is disposed on the printed wiring board (not shown) via the base 2, and corrects the frequency characteristic when dividing the voltage to be measured of various voltage measurement devices including the power meter over a wide band by the input resistance Do.

補正構造１は、図１に示すように、基台２と、基台２に載置される抵抗器１１と、同じく基台２に載置され、抵抗器１１に電気的に並列に接続され、空気を誘電体とするコンデンサ１２と、を有する。   As shown in FIG. 1, the correction structure 1 is mounted on the base 2, the resistor 11 mounted on the base 2, and similarly mounted on the base 2, and electrically connected in parallel to the resistor 11. And a capacitor 12 with air as a dielectric.

コンデンサ１２は、二つの電極部２１，２２を有する。電極部２１は、一対の側板部３１，３２と、側板部３１，３２に相互に架け渡される連結部３３とを有する。同様に、電極部２２は、一対の側板部４１，４２と、側板部４１，４２に相互に架け渡される連結部４３とを有する。電極部２１の一対の側板部３１，３２は、電極部２２の一対の側板部４１，４２の外側に平行となる位置に配置される。   The capacitor 12 has two electrode parts 21 and 22. The electrode portion 21 includes a pair of side plate portions 31 and 32 and a connecting portion 33 bridged between the side plate portions 31 and 32. Similarly, the electrode portion 22 has a pair of side plate portions 41 and 42 and a connecting portion 43 bridged between the side plate portions 41 and 42. The pair of side plate portions 31 and 32 of the electrode portion 21 is disposed at a position parallel to the outside of the pair of side plate portions 41 and 42 of the electrode portion 22.

図３に示すように、電極部２１の側板部３１，３２は、プリント配線基板に差し込まれる足部５１，５２を有する。電極部２２の側板部４１，４２は、プリント配線基板に差し込まれる足部６１，６２を有する。電極部２１には、抵抗器１１の端子８１が差し込まれるタブ９１が設けられている。電極部２２には、抵抗器１１の端子８１が差し込まれるタブ９２が設けられている。   As shown in FIG. 3, the side plate portions 31 and 32 of the electrode portion 21 have foot portions 51 and 52 to be inserted into the printed wiring board. The side plate parts 41 and 42 of the electrode part 22 have the foot parts 61 and 62 inserted in a printed wiring board. The electrode portion 21 is provided with a tab 91 into which the terminal 81 of the resistor 11 is inserted. The electrode portion 22 is provided with a tab 92 into which the terminal 81 of the resistor 11 is inserted.

抵抗器１１は薄い板状の形状を有する抵抗器である。抵抗器１１には端子８１が設けられ、それらが、電極部２１のタブ９１および電極部２２のタブ９２に差し込まれることでコンデンサ１２との位置が決定される。抵抗器１１の長手方向端部は、電極部２１，２２の連結部３３，４３に対向して配置される。   The resistor 11 is a resistor having a thin plate shape. The resistor 11 is provided with terminals 81, which are inserted into the tab 91 of the electrode portion 21 and the tab 92 of the electrode portion 22 to determine the position with the capacitor 12. The longitudinal direction end of the resistor 11 is disposed to face the connecting portions 33 and 43 of the electrode portions 21 and 22.

抵抗器１１とコンデンサ１２とが載置される基台２は、図３に示すように、抵抗器１１を把持する抵抗器把持部７１と、コンデンサ１２の電極部２２を把持する電極部把持部７２と、電極部２１の載置位置を決定する突出部７３と、電極部２１，２２の足部５１，５２，６１，６２が差し込まれる孔部７４と、を有する。   The base 2 on which the resistor 11 and the capacitor 12 are mounted is, as shown in FIG. 3, a resistor holding portion 71 which holds the resistor 11 and an electrode portion holding portion which holds the electrode portion 22 of the capacitor 12. 72, a projecting portion 73 for determining the mounting position of the electrode portion 21, and a hole 74 into which the foot portions 51, 52, 61, 62 of the electrode portions 21 and 22 are inserted.

基台２は、たとえば、プラスチックなどの合成樹脂製である。基台２の材質は、電気的に絶縁されており一定の強度が確保できればどのような材質であってもよい。   The base 2 is made of, for example, a synthetic resin such as plastic. The material of the base 2 may be any material as long as it is electrically insulated and a certain strength can be secured.

次に、基台２に抵抗器１１およびコンデンサ１２の位置を設定するための構造について、詳細に説明する。孔部７４は、コンデンサ１２の電極部２１，２２の足部５１，５２，６１，６２に対応する位置に設けられた孔である。コンデンサ１２の電極部２１，２２の足部５１，５２，６１，６２が、各孔部７４に差し込まれる。   Next, the structure for setting the positions of the resistor 11 and the capacitor 12 on the base 2 will be described in detail. The hole portion 74 is a hole provided at a position corresponding to the foot portions 51, 52, 61, 62 of the electrode portions 21, 22 of the capacitor 12. The feet 51, 52, 61, 62 of the electrodes 21, 22 of the capacitor 12 are inserted into the holes 74.

突出部７３は、基台２の周囲の壁から電極部２１の厚み分だけ内側に離れた位置に設けられる。電極部２１の側板部３１，３２の下側の一部が、突出部７３によって内側から支持されるとともに、突出部７３と基台２の壁によって挟み込まれる。   The protruding portion 73 is provided at a position spaced inwardly from the peripheral wall of the base 2 by the thickness of the electrode portion 21. A portion of the lower side of the side plate portions 31 and 32 of the electrode portion 21 is supported from the inside by the projecting portion 73 and is sandwiched by the projecting portion 73 and the wall of the base 2.

電極部把持部７２は、電極部２２の下部が嵌り込む溝を有する。コンデンサ１２の電極部２２の側板部４１，４２の下側の一部が、電極部把持部７２の嵌り込む溝に差し込まれる。   The electrode holding portion 72 has a groove in which the lower portion of the electrode portion 22 is fitted. A portion of the lower side of the side plate portions 41 and 42 of the electrode portion 22 of the capacitor 12 is inserted into the groove into which the electrode portion gripping portion 72 is fitted.

抵抗器把持部７１は、矩形の抵抗器１１を長手方向の中央部を両脇から挟み込む切欠部を有する。抵抗器１１は、抵抗器把持部７１によって長手方向の中央部を両脇から挟み込まれる。   The resistor gripping portion 71 has a notch that sandwiches the rectangular resistor 11 in the longitudinal direction from both sides. The resistor 11 holds the central portion in the longitudinal direction from both sides by the resistor holding portion 71.

抵抗器１１の、電極部２１のタブ９１側の端子８１は、タブ９１の孔に挿入されて半田付け処理が施される。同様に、抵抗器１１の、電極部２２のタブ９２側の端子８１は、タブ９２の孔に挿入されて半田付け処理が施される。   The terminal 81 on the tab 91 side of the electrode portion 21 of the resistor 11 is inserted into the hole of the tab 91 and subjected to a soldering process. Similarly, the terminal 81 of the resistor 11 on the side of the tab 92 of the electrode portion 22 is inserted into the hole of the tab 92 and subjected to a soldering process.

以上のように、電極部２１，２２は、孔部７４に足部５１，５２，６１，６２が差し込まれることで位置が設定され、さらに、電極部２１は、突出部７３と基台２の壁による挟み込みで横方向の位置が固定され、電極部２２は、電極部把持部７２の溝による電極部２２下部の嵌まり込みで横方向の位置が固定される。また、抵抗器１１は、抵抗器把持部７１による長手方向中央部の把持とタブ９１，９２への端子８１の挿入により位置が設定されて固定される。   As described above, the positions of the electrode portions 21 and 22 are set by inserting the foot portions 51, 52, 61 and 62 into the hole portions 74. Further, the electrode portions 21 include the projecting portion 73 and the base 2. The lateral position is fixed by sandwiching with a wall, and the lateral position is fixed by fitting the lower portion of the electrode portion 22 by the groove of the electrode portion gripping portion 72. The position of the resistor 11 is set and fixed by holding the central portion in the longitudinal direction by the resistor holding portion 71 and inserting the terminal 81 into the tabs 91 and 92.

これにより、従来のように、体積の大きな樹脂ケースを有することなく、抵抗器１１およびコンデンサ１２の位置決めおよび固定のための部材としての基台２を小型化することができる。また、位置決めおよび固定のための部材としての基台２が小さいので、コンデンサ１２と基台２との容量結合の割合を小さくすることができる。   Thus, the base 2 as a member for positioning and fixing the resistor 11 and the capacitor 12 can be miniaturized without having a resin case having a large volume as in the prior art. Further, since the base 2 as a member for positioning and fixing is small, the rate of capacitive coupling between the capacitor 12 and the base 2 can be reduced.

（第二の実施の形態）
本発明の第二の実施の形態に係る電圧入力抵抗部の周波数特性補正構造１Ａ（以下では、補正構造１Ａと略記する。）の構成を図４〜図８を参照して説明する。なお、補正構造１と対応する部分には、同じ符号を付し、適宜説明を省略する。図４は、補正構造１Ａの斜視図である。図５は、図４の斜視図からコンデンサ１２を取り除いた状態を示す図である。図６は、抵抗器１１と抵抗器把持部７１ａ，７１ｂの位置関係を説明するための図である。 Second Embodiment
The configuration of the frequency characteristic correction structure 1A (hereinafter abbreviated as correction structure 1A) of the voltage input resistor unit according to the second embodiment of the present invention will be described with reference to FIGS. The portions corresponding to those of the correction structure 1 are denoted by the same reference numerals, and the description thereof is appropriately omitted. FIG. 4 is a perspective view of the correction structure 1A. FIG. 5 is a view showing the perspective view of FIG. 4 with the capacitor 12 removed. FIG. 6 is a diagram for explaining the positional relationship between the resistor 11 and the resistor gripping portions 71a and 71b.

抵抗器１１とコンデンサ１２Ａが載置される基台２Ａは、図６に示すように、抵抗器１１を把持する抵抗器把持部７１ａ，７１ｂを有する。   The base 2A on which the resistor 11 and the capacitor 12A are mounted has resistor gripping portions 71a and 71b for gripping the resistor 11, as shown in FIG.

補正構造１Ａは、図４〜図６に示すように、抵抗器把持部７１ａ，７１ｂは、矩形の抵抗器１１を長手方向の両端部付近で両脇から挟み込む腕７１ａ１，７１ａ２，７１ｂ１，７１ｂ２を有する。これにより、抵抗器１１は、抵抗器把持部７１ａ，７１ｂによって位置が設定されて固定される。   In the correction structure 1A, as shown in FIGS. 4 to 6, the resistor holding portions 71a and 71b hold arms 71a1, 71a2, 71b1 and 71b2 sandwiching the rectangular resistor 11 from both sides near both ends in the longitudinal direction. Have. Thereby, the position of the resistor 11 is set and fixed by the resistor gripping portions 71a and 71b.

図７は、図５の構成を抵抗器把持部７１ａの方向から見た図である。図８は、図７の抵抗器把持部７１ａが抵抗器１１を把持する状態を示す図である。腕７１ａ１，７１ａ２の対向する部分の最小間隔は、抵抗器１１の厚みよりも狭い。これにより、図８に示すように、抵抗器把持部７１ａは、腕７１ａ１，７１ａ２の反発力で、抵抗器１１を両脇からしっかりと把持することができる。   FIG. 7 is a view of the configuration of FIG. 5 as seen from the direction of the resistor holding portion 71a. FIG. 8 is a view showing a state in which the resistor gripping portion 71 a of FIG. 7 grips the resistor 11. The minimum distance between the opposing parts of the arms 71a1 and 71a2 is smaller than the thickness of the resistor 11. Thereby, as shown in FIG. 8, the resistor holding part 71a can hold the resistor 11 firmly from both sides by the repulsive force of the arms 71a1 and 71a2.

また、一般的に、矩形の抵抗器１１の内部の抵抗体は、抵抗器１１のほぼ中央部分に集中して配置される。これに対し、抵抗器把持部７１ａ，７１ｂは、抵抗器１１の抵抗体が配置されていない長手方向端部付近を把持する。これにより、抵抗器１１と抵抗器把持部７１ａ，７１ｂとの間の容量結合の割合を第一の実施の形態の補正構造１における抵抗器把持部７１と抵抗器１１との間の容量結合の割合と比較すると小さく抑えることができる。   Also, in general, the resistors inside the rectangular resistor 11 are arranged in a concentrated manner in the approximate center of the resistor 11. On the other hand, the resistor gripping portions 71a and 71b grip the vicinity of the longitudinal direction end portion where the resistor of the resistor 11 is not disposed. Thereby, the ratio of the capacitive coupling between the resistor 11 and the resistor gripping portions 71a and 71b is determined by the capacitive coupling between the resistor gripping portion 71 and the resistor 11 in the correction structure 1 of the first embodiment. It can be kept small compared to the ratio.

また、電極部２１Ａ，２２Ａの足部５１Ａ，５２Ａ，６１Ａ，６２Ａが孔７４Ａに差し込まれることで電極部２１Ａ，２２Ａの位置が設定される。また、抵抗器１１の端子８１がタブ９１Ａ，９２Ａの孔に挿入されることで抵抗器１１のコンデンサ１２Ａとの位置が設定される。また、電極部２１Ａの位置の固定については、補正構造１Ａでは、補正構造１の基台２とは異なり、基台２Ａが周囲に壁を有さない。よって、突出部７３Ａは、電極部２１Ａを内側から支持することで、電極部２１Ａの位置が固定される。電極部２２Ａについては、電極部把持部７２Ａの溝に、電極部２２Ａ下部が嵌り込むことにより位置が固定される。抵抗器１１は、上述したように、抵抗器把持部７１ａ，７１ｂの腕７１ａ１，７１ａ２，７１ｂ１，７１ｂ２による把持によって位置が固定される。また、電極部２１Ａ，２２Ａは、抵抗器把持部７１ａ，７１ｂによって内側から支持されることによってもその位置が固定される。   The positions of the electrode portions 21A and 22A are set by inserting the foot portions 51A, 52A, 61A and 62A of the electrode portions 21A and 22A into the holes 74A. Further, the terminal 81 of the resistor 11 is inserted into the holes of the tabs 91A and 92A, whereby the position of the resistor 11 with the capacitor 12A is set. Further, as for fixing the position of the electrode portion 21A, in the correction structure 1A, unlike the base 2 of the correction structure 1, the base 2A does not have a wall around it. Therefore, the position of the electrode part 21A is fixed by supporting the electrode part 21A from the inside of the protruding part 73A. The position of the electrode portion 22A is fixed by fitting the lower portion of the electrode portion 22A into the groove of the electrode portion gripping portion 72A. As described above, the position of the resistor 11 is fixed by the gripping of the arms 71 a 1, 71 a 2, 71 b 1, and 71 b 2 of the resistor gripping portions 71 a and 71 b. The positions of the electrode portions 21A and 22A are also fixed by being supported from the inside by the resistor holding portions 71a and 71b.

（第三の実施の形態）
本発明の第三の実施の形態に係る電圧入力抵抗部の周波数特性補正構造１Ｂ（以下では、補正構造１Ｂと略記する。）の構成を図９〜図１３を参照して説明する。なお、補正構造１Ｂと既に説明した補正構造１，１Ａとは一部が異なるので、異なる部分について主に説明し、重複する部分についての説明は省略する。図９は、補正構造１Ｂの斜視図である。図１０は、図９の斜視図からコンデンサ１２を切り離した状態を示す図である。図１１は、抵抗器１１と抵抗器把持部７１ｃ，７１ｄの位置関係を説明するための図である。 Third Embodiment
The configuration of the frequency characteristic correction structure 1B (hereinafter abbreviated as correction structure 1B) of the voltage input resistance portion according to the third embodiment of the present invention will be described with reference to FIGS. In addition, since the correction structure 1B and the correction structures 1 and 1A already described are partially different, the different portions will be mainly described, and the description of the overlapping portions will be omitted. FIG. 9 is a perspective view of the correction structure 1B. FIG. 10 is a view showing a state in which the capacitor 12 is separated from the perspective view of FIG. FIG. 11 is a diagram for explaining the positional relationship between the resistor 11 and the resistor gripping portions 71c and 71d.

抵抗器１１とコンデンサ１２Ｂが載置される基台２Ｂは、図９に示すように、抵抗器１１を把持する抵抗器把持部７１ｃ，７１ｄを有する。   The base 2B on which the resistor 11 and the capacitor 12B are mounted has resistor gripping portions 71c and 71d for gripping the resistor 11, as shown in FIG.

補正構造１Ｂは、図９〜図１１に示すように、抵抗器把持部７１ｃ，７１ｄは、
矩形の抵抗器１１を長手方向の両端部の上部付近を両脇から押さえ込む腕７１ｃ１，７１ｃ２，７１ｄ１，７１ｄ２を有する。これにより、抵抗器１１は、抵抗器把持部７１ｃ，７１ｄによって位置が固定される。 In the correction structure 1B, as shown in FIGS. 9 to 11, the resistor gripping portions 71c and 71d are
It has arms 71 c 1, 71 c 2, 71 d 1, 71 d 2 for pressing the vicinity of the upper part of both ends in the longitudinal direction of the rectangular resistor 11 from both sides. Thereby, the position of the resistor 11 is fixed by the resistor gripping portions 71c and 71d.

図１２は、図１１の状態を抵抗器把持部７１ｃの方向から見た図である。図１３は、図１２の抵抗器把持部７１ｃが抵抗器１１を把持する状態を示す図である。腕７１ｃ１，７１ｃ２の対向する部分の最小間隔は、抵抗器１１の厚みよりも狭い。これにより、図１３に示すように、抵抗器把持部７１ｃは、腕７１ｃ１，７１ｃ２の反発力で、抵抗器１１を両脇および上部からしっかりと把持することができる。   FIG. 12 is a view of the state of FIG. 11 as viewed from the direction of the resistor holding portion 71c. FIG. 13 is a view showing a state in which the resistor gripping portion 71 c of FIG. 12 grips the resistor 11. The minimum distance between the facing portions of the arms 71 c 1 and 71 c 2 is smaller than the thickness of the resistor 11. Thereby, as shown in FIG. 13, the resistor holding portion 71c can hold the resistor 11 firmly from both sides and the upper portion by the repulsive force of the arms 71c1 and 71c2.

また、一般的に、抵抗器１１の内部の抵抗体は、抵抗器１１のほぼ中央部分に集中して配置される。これに対し、抵抗器把持部７１ｃ，７１ｄは、抵抗器１１の抵抗体が配置されていない端部を把持する。これにより、抵抗器１１と抵抗器把持部７１ｃ，７１ｄとの間の容量結合の割合を第一の実施の形態の補正構造１の抵抗器把持部７１と抵抗器１１との間の容量結合の割合と比較すると小さく抑えることができる。さらに、抵抗器把持部７１ｃ，７１ｄは、抵抗器１１を上部からも抑えることができるので、抵抗器１１の把持を補正構造１Ａと比較してさらに上下方向の振動等に対して強固に行うことができる。   Also, in general, the internal resistors of the resistor 11 are arranged in a concentrated manner in a substantially central portion of the resistor 11. On the other hand, the resistor gripping portions 71c and 71d grip the end portion of the resistor 11 where the resistor is not disposed. Thereby, the ratio of the capacitive coupling between the resistor 11 and the resistor gripping portions 71c and 71d is determined by the capacitive coupling between the resistor gripping portion 71 and the resistor 11 of the correction structure 1 of the first embodiment. It can be kept small compared to the ratio. Furthermore, since the resistor gripping portions 71c and 71d can suppress the resistor 11 also from above, the gripping of the resistor 11 should be performed more firmly against vertical vibration and the like as compared with the correction structure 1A. Can.

このように、補正構造１Ｂでは、電極部２１Ｂ，２２Ｂの足部５１Ｂ，５２Ｂ，６１Ｂ，６２Ｂが孔７４Ｂに差し込まれることで電極部２１Ｂ，２２Ｂの位置が設定される。また、抵抗器１１の端子８１がタブ９１Ｂ，９２Ｂの孔に挿入されることで抵抗器１１のコンデンサ１２Ｂとの位置が設定される。さらに、電極部２２Ａは、電極部把持部７２Ｂの溝に、電極部２２Ｂ下部が嵌り込むことにより位置が固定される。抵抗器１１は、上述したように、抵抗器把持部７１ｃ，７１ｄの腕７１ｃ１，７１ｃ２，７１ｄ１，７１ｄ２による把持によって位置が固定される。また、電極部２１Ｂ，２２Ｂは、抵抗器把持部７１ｃ，７１ｄによって内側から支持されることによってもその位置が固定される。   As described above, in the correction structure 1B, the positions of the electrode parts 21B and 22B are set by inserting the foot parts 51B, 52B, 61B and 62B of the electrode parts 21B and 22B into the holes 74B. Further, the terminal 81 of the resistor 11 is inserted into the holes of the tabs 91B and 92B, whereby the position of the resistor 11 with the capacitor 12B is set. Further, the position of the electrode portion 22A is fixed by fitting the lower portion of the electrode portion 22B into the groove of the electrode portion gripping portion 72B. As described above, the position of the resistor 11 is fixed by the gripping of the arms 71 c 1, 71 c 2, 71 d 1, and 71 d 2 of the resistor gripping portions 71 c and 71 d. The positions of the electrode portions 21B and 22B are also fixed by being supported from the inside by the resistor holding portions 71c and 71d.

（第四の実施の形態）
本発明の第四の実施の形態に係る補正構造１Ｃを図１４〜図１８を参照して説明する。なお、補正構造１Ｃと既に説明した補正構造１，１Ａ，１Ｂとは一部が異なるので、異なる部分について主に説明し、重複する部分の説明は省略する。図１４は、補正構造１Ｃがプリント配線基板Ｐに取り付けられた状態を示す図である。図１５は、補正構造１Ｃの斜視図である。図１６は、図１５の補正構造１Ｃからコンデンサ１２および抵抗器１１を取り除いた状態を示す図である。図１７は、図１５の補正構造１Ｃからコンデンサ１２の一方の電極部２１Ｃを取り除いた状態を示す図である。図１８は、図１５の補正構造１Ｃがプリント配線基板Ｐに取り付けられると共にシールドケースＳに覆われている状態を示す図である。 Fourth Embodiment
A correction structure 1C according to a fourth embodiment of the present invention will be described with reference to FIGS. In addition, since the correction structure 1C and the correction structures 1, 1A and 1B described above are partially different, the different parts will be mainly described, and the description of the overlapping parts will be omitted. FIG. 14 is a diagram showing the correction structure 1C attached to the printed wiring board P. As shown in FIG. FIG. 15 is a perspective view of the correction structure 1C. FIG. 16 is a diagram showing the correction structure 1C of FIG. 15 from which the capacitor 12 and the resistor 11 are removed. FIG. 17 is a view showing the correction structure 1C of FIG. 15 from which one electrode portion 21C of the capacitor 12 is removed. FIG. 18 is a view showing a state in which the correction structure 1C of FIG. 15 is attached to the printed wiring board P and covered by the shield case S.

補正構造１Ｃは、図１４に示すように、抵抗器１１およびコンデンサ１２Ｃと電気的に接続されるプリント配線基板Ｐに対し、抵抗器１１およびコンデンサ１２Ｃを介して反対側に基台２Ｃが配置される。そのため、図１５に示すように、抵抗器１１の端子８１が挿入される孔を有するタブ９１Ｃ，９２Ｃは、電極部２１Ｃ，２２Ｃの基台２Ｃに載置されている側とは反対側に設けられている。また、電極部２１Ｃ，２２Ｃをプリント配線基板Ｐに取付けるための足部５１Ｃ，５２Ｃ，６１Ｃ，６２Ｃも基台２Ｃの側とは反対側に設けられている。   In correction structure 1C, as shown in FIG. 14, base 2C is disposed on the opposite side to printed wiring board P electrically connected to resistor 11 and capacitor 12C via resistor 11 and capacitor 12C. Ru. Therefore, as shown in FIG. 15, the tabs 91C and 92C having the holes into which the terminals 81 of the resistor 11 are inserted are provided on the side opposite to the side mounted on the base 2C of the electrode portions 21C and 22C. It is done. Further, foot portions 51C, 52C, 61C, 62C for attaching the electrode portions 21C, 22C to the printed wiring board P are also provided on the side opposite to the base 2C side.

補正構造１Ｃは、図１６および図１７に示すように、基台２Ｃに設けられた抵抗器把持部７１ｅ，７１ｆおよび複数の電極部把持部７２Ｃによって構成される。   The correction structure 1C, as shown in FIG. 16 and FIG. 17, is configured by resistor gripping portions 71e and 71f provided on the base 2C and a plurality of electrode gripping portions 72C.

補正構造１Ｃによれば、図１８に示すように、補正構造１ＣをシールドケースＳで覆う場合、基台２ＣがシールドケースＳと補正構造１Ｃとの間で絶縁物となる。これにより、補正構造１ＣとシールドケースＳとの間で電気的な絶縁に対する安全距離を確保することができる。   According to the correction structure 1C, as shown in FIG. 18, when the correction structure 1C is covered with the shield case S, the base 2C becomes an insulator between the shield case S and the correction structure 1C. Thus, a safe distance for electrical insulation can be secured between the correction structure 1C and the shield case S.

また、補正構造１Ｃでは、電極部２１Ｃ，２２Ｃは、電極部２１Ｃ，２２Ｃの下部が電極部把持部７２Ｃによって把持されることで位置が設定されて固定される。また、抵抗器１１の端子８１がタブ９１Ｃ，９２Ｃの孔に挿入されることで抵抗器１１の位置が設定される。さらに、抵抗器１１は、抵抗器把持部７１ｅ，７１ｆによる把持によって位置が固定される。   In the correction structure 1C, the positions of the electrode portions 21C and 22C are set and fixed by holding the lower portions of the electrode portions 21C and 22C by the electrode portion gripping portion 72C. The position of the resistor 11 is set by inserting the terminal 81 of the resistor 11 into the holes of the tabs 91C and 92C. Furthermore, the position of the resistor 11 is fixed by gripping by the resistor gripping portions 71e and 71f.

（第五の実施の形態）
本発明の第五の実施の形態に係る測定装置１００を図１９を参照して説明する。測定装置１００は、上述した補正構造１，１Ａ，１Ｂ，１Ｃのいずれかが搭載される部品搭載基板１０１を有し、被測定量を測定する。 (Fifth embodiment)
A measuring apparatus 100 according to a fifth embodiment of the present invention will be described with reference to FIG. The measuring apparatus 100 has a component mounting board 101 on which any one of the correction structures 1, 1A, 1B, and 1C described above is mounted, and measures an amount to be measured.

図１９に示す測定装置１００は、部品搭載基板１０１、測定部１０２、操作部１０３、表示部１０４、制御部１０５、およびこれらの構成要素を収容する筐体１０６を備え、被測定量（たとえば、測定対象に供給されている電圧）を測定可能に構成されている。   The measuring apparatus 100 illustrated in FIG. 19 includes a component mounting substrate 101, a measuring unit 102, an operation unit 103, a display unit 104, a control unit 105, and a housing 106 for accommodating these components, and It is configured to be able to measure the voltage supplied to the object to be measured.

測定部１０２は、処理部として機能し、制御部１０５の制御に従い、部品搭載基板１０１に搭載された補正構造１，１Ａ，１Ｂ，１Ｃのいずれかによって構成される電気回路から出力される電気信号に基づいて被測定量を測定する処理を行う。操作部１０３は、各種のスイッチやキーを備えて構成され、これらのスイッチやキーが操作されたときに操作信号を出力する。表示部１０４は、制御部１０５の制御に従って測定部１０２によって測定された被測定量などの各種の情報を表示する。制御部１０５は、操作部１０３から出力される操作信号に従って測定装置１００を構成する各部を制御する。   The measuring unit 102 functions as a processing unit, and according to the control of the control unit 105, an electric signal output from an electric circuit configured by any one of the correction structures 1, 1A, 1B, and 1C mounted on the component mounting substrate 101. Processing of measuring the measured amount based on The operation unit 103 includes various switches and keys, and outputs an operation signal when these switches and keys are operated. The display unit 104 displays various types of information such as the measured amount measured by the measurement unit 102 according to the control of the control unit 105. The control unit 105 controls each unit constituting the measuring apparatus 100 in accordance with the operation signal output from the operation unit 103.

（その他の実施の形態）
上述した実施の形態は、その要旨を逸脱しない限りにおいて、様々に変更が可能である。たとえば、補正構造１，１Ａ，１Ｂ，１Ｃのいずれかを有する部品搭載基板１０１を有する測定装置１００は、被測定量としての電圧を測定する例について上記したが、電圧、抵抗、電力、位相、温度、湿度、歪み、輝度、照度等の各種の物理量や、原子量、分子量、化学式量等の各種の化学量を被測定量として測定する各種の測定装置、ならびに被測定量の測定機能を有していない電子機器（表示装置や記録装置）に適用することができ、この場合においても、上記した各効果を実現することができる。 (Other embodiments)
The embodiment described above can be variously modified without departing from the scope of the invention. For example, although the measuring apparatus 100 having the component mounting board 101 having any of the correction structures 1, 1A, 1B, and 1C has been described above with reference to an example of measuring a voltage as a measured quantity, voltage, resistance, power, phase, It has various measuring devices that measure various physical quantities such as temperature, humidity, strain, luminance, illuminance, etc., various chemical quantities such as atomic weight, molecular weight, and chemical formula weight as measured quantities, and has a measuring function of measured quantities. The present invention can be applied to electronic devices (display devices and recording devices), and in this case also, the above-described effects can be realized.

１，１Ａ，１Ｂ，１Ｃ…補正構造、１１…抵抗器、１２…コンデンサ、２１，２２…電極部、２，２Ａ，２Ｂ，２Ｃ…基台、５１，５１Ａ，５１Ｂ，５１Ｃ，６１，６１Ａ，６１Ｂ，６１Ｃ… 足部、７１，７１ａ，７１ｂ，７１ｃ，７１ｄ，７１ｅ，７１ｆ…抵抗器把持部、７２，７２Ａ，７２Ｂ，７２Ｃ…電極部把持部、７４，７４Ａ，７４Ｂ…孔部、Ｐ…プリント配線基板、１００…測定装置、１０１…部品搭載基板 1, 1A, 1B, 1C: correction structure, 11: resistor, 12: capacitor, 21, 22: electrode part, 2, 2A, 2B, 2C: base, 51, 51A, 51B, 51C, 61, 61A, 61B, 61C ... Foot section, 71, 71a, 71b, 71c, 71d, 71f ... Resistor gripping section, 72, 72A, 72B, 72C ... Electrode section gripping section, 74, 74A, 74B ... Hole section, P ... Printed wiring board, 100 ... measuring device, 101 ... component mounting board

Claims (3)

抵抗器と、前記抵抗器に並列に接続され、空気を誘電体とするコンデンサと、を有し、前記抵抗器と前記コンデンサとがプリント配線基板上に配置され、
前記コンデンサは、第１および第２の二つの電極部を有し、
前記第１および第２の電極部は、それぞれ一対の側板部と、前記側板部に相互に架け渡される連結部とを有し、
前記第２の電極部の前記一対の側板部は、前記第１の電極部の前記一対の側板部の外側に平行に配置され、
前記側板部には、前記プリント配線基板に差し込まれる足部を有し、
前記抵抗器は薄い板状であり、前記抵抗器の長手方向端部は、前記第１および第２の電極部の前記連結部に対向して配置され、
前記コンデンサと前記抵抗器とが載置される基台を有し、
前記基台は、
前記抵抗器を把持する抵抗器把持部と、
前記第１の電極部および前記第２の電極部の側板部が嵌まり込む溝部を有する電極部把持部と、
を有し、
前記プリント配線基板に対し、前記コンデンサおよび前記抵抗器を介して反対側に前記基台が配置される、
ことを特徴とする電圧入力抵抗部の周波数特性補正構造。 A resistor and a capacitor connected in parallel to the resistor and having air as a dielectric, the resistor and the capacitor being disposed on a printed wiring board;
The capacitor has first and second two electrode parts,
Each of the first and second electrode portions has a pair of side plate portions and a connecting portion which is bridged between the side plate portions.
The pair of side plate portions of the second electrode portion is disposed parallel to the outside of the pair of side plate portions of the first electrode portion,
The side plate portion has a foot portion to be inserted into the printed wiring board,
The resistor has a thin plate shape, and longitudinal end portions of the resistor are disposed to face the connection portions of the first and second electrode portions,
A base on which the capacitor and the resistor are mounted;
The base is
A resistor gripping portion that grips the resistor;
An electrode portion holding portion having a groove portion into which the side plate portion of the first electrode portion and the second electrode portion is fitted;
I have a,
The base is disposed on the opposite side of the printed wiring board via the capacitor and the resistor.
A frequency characteristic correction structure of a voltage input resistance unit characterized in that. 請求項１に記載の電圧入力抵抗部の周波数特性補正構造が搭載されることを特徴とする部品搭載基板。   A component mounting board on which the frequency characteristic correction structure of the voltage input resistor unit according to claim 1 is mounted. 請求項２記載の部品搭載基板を有し、被測定量を測定することを特徴とする測定装置。   A measuring apparatus comprising the component mounting board according to claim 2 and measuring an amount to be measured.
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