JPH06258076A - Oblique angle measuring apparatus - Google Patents
Oblique angle measuring apparatusInfo
- Publication number
- JPH06258076A JPH06258076A JP7071293A JP7071293A JPH06258076A JP H06258076 A JPH06258076 A JP H06258076A JP 7071293 A JP7071293 A JP 7071293A JP 7071293 A JP7071293 A JP 7071293A JP H06258076 A JPH06258076 A JP H06258076A
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- tilt angle
- angle measuring
- measuring device
- shape
- 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
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、電気的に傾斜角を測
定する傾斜角測定装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tilt angle measuring device for electrically measuring a tilt angle.
【０００２】[0002]
【従来の技術】２つの電極の抵抗値に基づいて傾斜角を
電気的に測定する方式の傾斜角測定装置が従来から用い
られている。この方式の傾斜角測定装置の一例を図５に
示す。2. Description of the Related Art A tilt angle measuring device of the type that electrically measures a tilt angle based on the resistance values of two electrodes has been conventionally used. An example of this type of tilt angle measuring device is shown in FIG.
【０００３】図５からもわかるように、従来の傾斜角測
定装置では、ガラス管部材１の“蓋”に相当する部分す
なわち湾曲していない端面部９から電極４を挿入するよ
うになっている。そして、抵抗値を一定にするために、
挿入した電極４の一部分を被膜する構成になっている。As can be seen from FIG. 5, in the conventional tilt angle measuring device, the electrode 4 is inserted from the portion corresponding to the "lid" of the glass tube member 1, that is, the end surface portion 9 which is not curved. . And to keep the resistance constant,
It is configured to cover a part of the inserted electrode 4.
【０００４】[0004]
【発明が解決しようとする課題】ところが、従来の傾斜
角測定装置では、２つの電極４の電導性液体２内での抵
抗値が一定値になるように、ガラス管部材１内に挿入し
た電極４の一部を被膜した後、電導性液体２と電極４と
の浸漬部を適当な長さに設け、かつ気泡の移動量が所定
の範囲で確保できるように、左右の電極４の位置を決め
る。その後、被膜した電極４を端面部９に融着するとい
う手順で行われる。このため従来の傾斜角測定装置は、
製造工程で手間がかかりコスト高になっていた。However, in the conventional tilt angle measuring device, the electrodes inserted in the glass tube member 1 are set so that the resistance values of the two electrodes 4 in the conductive liquid 2 become constant. After coating a part of 4, the dipping portion between the conductive liquid 2 and the electrode 4 is provided at an appropriate length, and the positions of the left and right electrodes 4 are adjusted so that the movement amount of bubbles can be ensured within a predetermined range. Decide Thereafter, the coated electrode 4 is fused to the end face portion 9 in a procedure. Therefore, the conventional tilt angle measuring device
The manufacturing process was time-consuming and costly.
【０００５】そこで、本発明は、上記問題点を解決し、
従来の傾斜角測定装置の被膜されていない電極部分を特
徴ある形状にして、被膜する必要がなくても、電導性液
体内での抵抗値が一定になるようにして傾斜角を高精度
で測定することができ、しかも低コストで製造できる傾
斜角測定装置を提供することを目的としている。Therefore, the present invention solves the above problems,
Even if it is not necessary to form an uncoated electrode part of a conventional tilt angle measuring device into a characteristic shape, the resistance value in the conductive liquid becomes constant and the tilt angle is measured with high accuracy. It is an object of the present invention to provide a tilt angle measuring device that can be manufactured at low cost.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
に、本願第１発明は、所定曲率を有する管状部材に電導
性液体と気泡を封入して傾斜角を２つの電極の抵抗値に
基づいて電気的に測定する傾斜角測定装置において、上
記電極を同一の屈曲（たとえばＬ字）形状を有し、上記
管状部材の所定曲率を有する側面から同一直線上に対向
するように上記電極を挿入してなることを特徴とする傾
斜角測定装置を構成上の特徴としている。In order to solve the above-mentioned problems, the first invention of the present application encloses a conductive member and bubbles in a tubular member having a predetermined curvature and determines the inclination angle based on the resistance value of two electrodes. In a tilt angle measuring device that electrically measures the electrodes, the electrodes have the same bending (for example, L-shape) shape, and the electrodes are inserted so as to face each other on the same straight line from the side surface having a predetermined curvature of the tubular member. The tilt angle measuring device characterized by the above is a structural feature.
【０００７】また、本願第２発明は、所定曲率を有する
管状部材に電導性液体と気泡を封入して傾斜角を２つの
電極の抵抗値に基づいて電気的に測定する傾斜角測定装
置において、上記電極が同一の屈曲（たとえばのＬ字）
形状を有し、上記管状部材内面から所定間隔を置いて上
記電極を配置したことを特徴とする傾斜角測定装置も提
供する。The second invention of the present application is a tilt angle measuring apparatus for electrically measuring a tilt angle based on resistance values of two electrodes by enclosing a conductive liquid and bubbles in a tubular member having a predetermined curvature. The electrodes have the same bend (for example, L shape)
There is also provided a tilt angle measuring device having a shape, in which the electrodes are arranged at a predetermined distance from the inner surface of the tubular member.
【０００８】なお、電極を屈曲形状たとえばＬ字形状に
設けるとは、電極の少なくとも一部分をＬ字形状などに
することを意味している。従って、電極全体の形状がＬ
字形である必要はない。The provision of the electrode in a bent shape, for example, an L-shape means that at least a part of the electrode has an L-shape. Therefore, the shape of the entire electrode is L
It does not have to be glyphic.
【０００９】[0009]
【実施例】以下、図面を参照して本発明の実施例を説明
する。図１は、本発明に係る傾斜角測定装置の一つの好
適な実施例を示す断面図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing one preferred embodiment of the tilt angle measuring device according to the present invention.
【００１０】図１の傾斜角測定装置１０は、全体的に僅
かに湾曲した円柱形状の管状部材１１を有している。管
状部材１１はガラス管を湾曲させて図１の形状に成形し
たものである。管状部材１１内には、例えばジエチルエ
ーテルとエチルアルコールの混合液にヨウ化カリウムを
添加してなる導電性液体１２が、一部に気泡１３を残し
て封入されている。The tilt angle measuring device 10 of FIG. 1 has a cylindrical tubular member 11 which is slightly curved as a whole. The tubular member 11 is formed by bending a glass tube into the shape shown in FIG. In the tubular member 11, for example, a conductive liquid 12 obtained by adding potassium iodide to a mixed liquid of diethyl ether and ethyl alcohol is sealed, leaving bubbles 13 in part.
【００１１】管状部材１１内には２つの電極１４が***
を通して挿入され、低融点ガラス１６で融着固定されて
いる。電極用の***は、ガラス管１１の曲率を有する外
側部分、すなわち“背”部分に配置してある。２つの電
極１４は同形であって、屈曲形状の部分たとえばＬ字形
状の部分を有している。そして、各電極のＬ字形状部分
の一辺同志が互いに対向し、これが同一直線上に整列す
るように配置されている。Two electrodes 14 are inserted into the tubular member 11 through small holes, and are fused and fixed with a low melting point glass 16. The eyelets for the electrodes are located in the curved outer part of the glass tube 11, ie in the "back" part. The two electrodes 14 have the same shape and have a bent portion, for example, an L-shaped portion. Then, one sides of the L-shaped portions of the respective electrodes face each other and are arranged so as to be aligned on the same straight line.
【００１２】ガラス管１１の内側部分、すなわち“腹”
部分には、アース線１５がアース線用の***を通して配
置され、低融点ガラス１７で固定されている。The inner portion of the glass tube 11, or "belly"
A ground wire 15 is arranged in the portion through a small hole for the ground wire, and is fixed with a low melting point glass 17.
【００１３】次に、図２、４〜５を参照して、本発明に
係る傾斜角測定装置の製造工程一例を説明する。Next, an example of the manufacturing process of the tilt angle measuring device according to the present invention will be described with reference to FIGS.
【００１４】図２に示すように、長尺のガラスパイプを
切断し、所定長さを有するガラス管２０をつくる。その
ガラス管２０に、所定間隔をおいてＬ字形状電極用の２
つの***２１を設ける。この***２１は図３ではガラス
管２０の上部に設けられているが、上部は後の工程で曲
率を設けた時に“背”部となる。また、ガラス管２０の
下部に、アース線用の２つの***２２を設ける。下部の
***２２はガラスパイプを湾曲させた時に“腹”部に配
置される。さらに、ガラス管の“背”から約４５°の部
分に、液体充填用の***２３もしくは注入口（断面）２
４（図３）を設ける。これは所定の曲率を設けた時に
“背”部分から外すためである。As shown in FIG. 2, a long glass pipe is cut to make a glass tube 20 having a predetermined length. The glass tube 20 is provided with two L-shaped electrodes at predetermined intervals.
Two small holes 21 are provided. The small hole 21 is provided in the upper portion of the glass tube 20 in FIG. 3, but the upper portion becomes a "back" portion when a curvature is provided in a later step. In addition, two small holes 22 for the ground wire are provided in the lower part of the glass tube 20. The lower eyelet 22 is located in the "belly" when the glass pipe is bent. Further, at a portion about 45 ° from the "back" of the glass tube, a small hole 23 for filling liquid or an injection port (cross section) 2
4 (FIG. 3). This is to remove it from the "back" portion when a predetermined curvature is provided.
【００１５】次に、Ｌ字形状の部分を有する２つの電極
１４を準備する（図４参照）。そして、両者を対向させ
るように***２１から挿入して、Ｌ字の“一辺”部分が
同一直線上に来るようにガラス管に配置する。また、ア
ース線も***２２を利用してガラス管に配置する。Next, two electrodes 14 having L-shaped portions are prepared (see FIG. 4). Then, the two are inserted so as to face each other through the small hole 21 and arranged in the glass tube so that the "one side" portion of the L shape is on the same straight line. Further, the ground wire is also arranged in the glass tube using the small hole 22.
【００１６】そして、ガラス管の両端を図４に示すよう
に火加工によって閉じる。その後、所定の曲率を設け、
ガラス管とＬ字形状の電極、ガラス管とアース線とをそ
れぞれ低融点ガラスで融着させて固定する。Then, both ends of the glass tube are closed by fire processing as shown in FIG. After that, provide a predetermined curvature,
The glass tube and the L-shaped electrode, and the glass tube and the ground wire are fused and fixed with low melting glass.
【００１７】電極、アース線ともに固定された後に、ガ
ラス管の“背”部分から約４５°の部分に設けた***２
３から、例えば、ジエチルエーテルとエチルアルコール
の混合液にヨウ化カリウムを添加してなる導電性液体
を、一部に気泡が残るように封入し、その***を閉じ
て、傾斜角測定装置を完成させる。A small hole 2 provided at a portion about 45 ° from the "back" portion of the glass tube after both the electrode and the ground wire are fixed.
From 3, for example, a conductive liquid made by adding potassium iodide to a mixed liquid of diethyl ether and ethyl alcohol is sealed so that some bubbles remain, and the small hole is closed to complete the tilt angle measuring device. Let
【００１８】[0018]
【発明の効果】本発明の傾斜角測定装置によれば、電極
を同一の屈曲形状たとえばＬ字形状に設け、上記管状部
材の所定曲率を有する側面から同一直線上に対向するよ
うに挿入する構成になっているので、２つの電極の屈曲
形状（Ｌ字形状）の“一辺”部分のみを導電性液体に浸
す構成にすることができる。その結果、抵抗値が一定値
になるようにして傾斜角を高精度で測定することがで
き、しかも、装置を低コストで製造できる。According to the tilt angle measuring apparatus of the present invention, the electrodes are provided in the same bent shape, for example, L-shape, and the electrodes are inserted so as to face each other on the same straight line from the side surface having the predetermined curvature of the tubular member. Therefore, only one "side" of the bent shape (L shape) of the two electrodes can be immersed in the conductive liquid. As a result, it is possible to measure the tilt angle with high accuracy while keeping the resistance value constant, and it is possible to manufacture the device at low cost.
【図１】本発明による傾斜角測定装置の実施例を示す縦
断面図。FIG. 1 is a vertical sectional view showing an embodiment of a tilt angle measuring device according to the present invention.
【図２】本発明の傾斜角測定装置の製造工程を示す側面
図。FIG. 2 is a side view showing a manufacturing process of the tilt angle measuring device of the present invention.
【図３】本発明の別の実施例を示す横断面図。FIG. 3 is a cross-sectional view showing another embodiment of the present invention.
【図４】本発明の傾斜角測定装置の製造工程を示す断面
図。FIG. 4 is a cross-sectional view showing a manufacturing process of the tilt angle measuring device of the present invention.
【図５】従来の傾斜角測定装置を示す縦断面図。FIG. 5 is a vertical sectional view showing a conventional inclination angle measuring device.
１０ 傾斜角測定装置 １１ 管状部材 １２ 導電性液体 １３ 気泡 １４ 電極 １５ アース線 １６，１７ 低融点ガラス １８，２１，２３ *** ２０ ガラス管 10 Tilt Angle Measuring Device 11 Tubular Member 12 Conductive Liquid 13 Bubble 14 Electrode 15 Ground Wire 16,17 Low Melting Glass 18,21,23 Small Hole 20 Glass Tube
Claims (2)
と気泡を封入して傾斜角を２つの電極の抵抗値に基づい
て電気的に測定する傾斜角測定装置において、上記電極
が同一の屈曲形状を有し、上記管状部材の所定曲率を有
する側面から同一直線上に対向するように上記電極を挿
入してなることを特徴とする傾斜角測定装置。1. A tilt angle measuring device for enclosing a conductive liquid and bubbles in a tubular member having a predetermined curvature to electrically measure the tilt angle based on the resistance values of two electrodes, wherein the electrodes have the same bending. A tilt angle measuring device having a shape, wherein the electrodes are inserted so as to face each other on the same straight line from a side surface having a predetermined curvature of the tubular member.
と気泡を封入して傾斜角を２つの電極の抵抗値に基づい
て電気的に測定する傾斜角測定装置において、上記電極
が同一の屈曲形状を有し、上記管状部材内面から所定間
隔を置いて上記電極を配置したことを特徴とする傾斜角
測定装置。2. A tilt angle measuring device in which a conductive liquid and air bubbles are enclosed in a tubular member having a predetermined curvature to electrically measure the tilt angle based on the resistance values of two electrodes, wherein the electrodes have the same bend. A tilt angle measuring device having a shape, wherein the electrodes are arranged at a predetermined distance from the inner surface of the tubular member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7071293A JPH06258076A (en) | 1993-03-08 | 1993-03-08 | Oblique angle measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7071293A JPH06258076A (en) | 1993-03-08 | 1993-03-08 | Oblique angle measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06258076A true JPH06258076A (en) | 1994-09-16 |
Family
ID=13439469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7071293A Pending JPH06258076A (en) | 1993-03-08 | 1993-03-08 | Oblique angle measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06258076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012103073A2 (en) * | 2011-01-24 | 2012-08-02 | President And Fellows Of Harvard College | Non-differential elastomer curvature sensor |
-
1993
- 1993-03-08 JP JP7071293A patent/JPH06258076A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012103073A2 (en) * | 2011-01-24 | 2012-08-02 | President And Fellows Of Harvard College | Non-differential elastomer curvature sensor |
| WO2012103073A3 (en) * | 2011-01-24 | 2012-11-01 | President And Fellows Of Harvard College | Non-differential elastomer curvature sensor |
| US9228822B2 (en) | 2011-01-24 | 2016-01-05 | President And Fellows Of Harvard College | Non-differential elastomer curvature sensor |
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