JPH0587511A - Bending detection device - Google Patents
Bending detection deviceInfo
- Publication number
- JPH0587511A JPH0587511A JP18482891A JP18482891A JPH0587511A JP H0587511 A JPH0587511 A JP H0587511A JP 18482891 A JP18482891 A JP 18482891A JP 18482891 A JP18482891 A JP 18482891A JP H0587511 A JPH0587511 A JP H0587511A
- Authority
- JP
- Japan
- Prior art keywords
- bending
- amount detector
- bending amount
- radius
- measured
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は人体各部の関節の曲げを
検出する曲げ検出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bending detecting device for detecting bending of joints of various parts of a human body.
【０００２】[0002]
【従来の技術】図４は従来の曲げ量検出器１の構成例を
示す図である。この図において、２は十分な絶縁性と可
撓性とを有する長尺薄板状のベース部材であり、このベ
ース部材２の上面と下面とには、往路と復路とを有する
Ｕ字状の抵抗体３aと３bとが各々設けられている。2. Description of the Related Art FIG. 4 is a diagram showing a configuration example of a conventional bending amount detector 1. In this figure, 2 is a long thin plate-shaped base member having sufficient insulation and flexibility, and a U-shaped resistor having an outward path and a return path on the upper surface and the lower surface of this base member 2. The bodies 3a and 3b are provided respectively.
【０００３】そして、ベース部材２の基端部に設けられ
た抵抗体３aと３bとの各端部の接続端子には、リード線
４a〜４dが各々接続されている。上記の抵抗体３aと３b
とは、可撓性を有すると共に、伸縮に応じて抵抗値が変
化する素子材料（たとえば、カーボン粉末）によって構
成されている。これにより、ベース部材２が図５（イ）
に示すように平らな状態から、同図（ロ）に示すように
曲がると、上面側の抵抗体３aは伸びて抵抗値が大きく
なり、下面側の抵抗体３bは縮んで抵抗値が小さくな
る。[0003] Then, the connection terminals of the ends of the resistor 3 a and 3 b provided at the proximal end of the base member 2, the lead wire 4 a to 4 d are respectively connected. Additional resistor 3 a and 3 b
Is composed of an element material (for example, carbon powder) which has flexibility and whose resistance value changes according to expansion and contraction. As a result, the base member 2 is moved to the position shown in FIG.
From a flat state as shown in, and turn as shown in FIG. (B), the resistor 3 a on the upper surface resistance value is increased stretched, resistor 3 b of the lower surface side are squashed resistance Get smaller.
【０００４】即ち、抵抗体３aと３bの曲げる前の抵抗値
をＲ、曲げ角度をθ（＞０）とすると、抵抗体３aの抵
抗値Ｒaおよび抵抗体３bの抵抗値Ｒbはそれぞれ次式で
表される。 Ｒa＝Ｒ(１＋θＫ)・・・ Ｒb＝Ｒ(１−θＫ)・・・ ここで、Ｋ（＞０）は定数である。[0004] That is, the resistance value before bending the resistor 3 a and 3 b R, bend the angle theta (> 0) to the resistance value of the resistance value R a and resistor 3 b of the resistor 3 a R Each b is expressed by the following equation. Ra = R (1 + θK) ... Rb = R (1-θK) ... Here, K (> 0) is a constant.
【０００５】そして、この曲げ量検出器１を、たとえ
ば、図６に示すように、手袋型の装身具５の手の指の背
の部分に収納して曲げ検出装置６を構成し、操作者がこ
の曲げ検出装置６を手に装着した後、指７を曲げ伸ばし
することにより、上述した抵抗体３aと３bのそれぞれの
抵抗値ＲaおよびＲbの変化に基づいて指７の曲げが検出
される。尚、上述した技術の詳細については、本出願人
が先に提案した曲げ量検出器の資料（特願平２−２８９
３９２号の願書に添付した明細書および図面）を参照さ
れたい。Then, as shown in FIG. 6, the bending amount detector 1 is housed in the back part of the fingers of the glove-shaped accessory 5 to form the bending detection device 6, and the operator can After the bending detecting device 6 is attached to the hand, the finger 7 is bent and stretched to bend the finger 7 based on the changes in the resistance values R a and R b of the resistors 3 a and 3 b described above. To be detected. For details of the above-mentioned technique, refer to the material of the bending amount detector previously proposed by the present applicant (Japanese Patent Application No. 2-289).
See the specification and drawings attached to the application of No. 392).
【０００６】[0006]
【発明が解決しようとする課題】ところで、上述した従
来の曲げ検出装置６においては、耐久性を確保するため
には、曲げ量検出器１の構造上、その曲げ半径Ｒが所定
値、たとえば、７ｍｍ程度以下にならないようにする必
要があった。というのは、抵抗体３aと３bとが、たとえ
ば、カーボン粉末によって構成されているため、曲げ量
検出器１の曲げ半径Ｒが所定値以下になると、伸ばされ
た側の抵抗体３aが切れてしまう虞れがあるからであ
る。By the way, in the above-described conventional bending detecting device 6, in order to ensure durability, the bending radius R of the bending amount detector 1 has a predetermined value, for example, because of the structure of the bending amount detector 1. It was necessary to prevent it from becoming less than about 7 mm. Because the resistors 3 a and 3 b are made of, for example, carbon powder, when the bending radius R of the bending amount detector 1 becomes a predetermined value or less, the resistors 3 a on the stretched side are formed. This is because there is a risk that the product will run out.
【０００７】しかしながら、上述した従来の曲げ検出装
置６においては、操作者が指を深く曲げると、曲げ量検
出器１の曲げ半径が３ｍｍ程度になってしまい、耐久性
に問題があった。本発明は、このような背景の下になさ
れたもので、曲げ量検出器の曲げ半径を適切な値に抑え
ることができ、耐久性を保持することができる曲げ検出
装置を提供することを目的とする。However, in the above-described conventional bending detecting device 6, when the operator bends the finger deeply, the bending radius of the bending amount detector 1 becomes about 3 mm, and there is a problem in durability. The present invention has been made under such a background, and an object of the present invention is to provide a bending detection device capable of suppressing the bending radius of the bending amount detector to an appropriate value and maintaining durability. And
【０００８】[0008]
【課題を解決するための手段】請求項１記載の発明は、
曲げに応じた信号を出力する可撓性を有するセンサから
なる曲げ量検出器と、該曲げ量検出器と被測定物との間
に介挿され、前記曲げ量検出器の最小曲げ半径を限界曲
げ半径以上に規制する部材とを具備することを特徴とし
ている。The invention according to claim 1 is
A bending amount detector composed of a flexible sensor that outputs a signal according to bending, and a bending amount detector interposed between the bending amount detector and the object to be measured, and the minimum bending radius of the bending amount detector is limited. It is characterized by comprising a member for restricting the bending radius or more.
【０００９】請求項２記載の発明は、曲げに応じた信号
を出力する可撓性を有するセンサからなる曲げ量検出器
と、該曲げ量検出器と被測定物との間に介挿され、すく
なくとも前記曲げ量検出器の限界曲げ半径と前記被測定
物の最小曲げ半径との差の厚さを有し、可撓性を有する
部材とを具備することを特徴としている。According to a second aspect of the present invention, a bending amount detector including a flexible sensor that outputs a signal according to bending, and the bending amount detector and the object to be measured are inserted, At least, a flexible member having a thickness of a difference between a limit bending radius of the bending amount detector and a minimum bending radius of the object to be measured is provided.
【００１０】請求項３記載の発明は、曲げに応じた信号
を出力する可撓性を有するセンサからなる曲げ量検出器
と、該曲げ量検出器と被測定物との間に介挿され、ほぼ
半円柱状あるいは台形状の凸部が所定間隔で連続して並
べられた長手方向の断面形状を有し、かつ、その曲げ半
径が前記曲げ量検出器の限界曲げ半径以上である部材と
を具備することを特徴としている。According to a third aspect of the present invention, a bending amount detector including a flexible sensor that outputs a signal according to bending, and the bending amount detector and the object to be measured are inserted. A member having a substantially semi-cylindrical or trapezoidal projection having a longitudinal cross-sectional shape in which the projections are continuously arranged at a predetermined interval, and the bending radius of which is equal to or larger than the limit bending radius of the bending amount detector. It is characterized by having.
【００１１】[0011]
【作用】請求項１ないし３記載の発明によれば、被測定
物が曲げ伸ばしされても、曲げ量検出器は、その最小曲
げ半径が限界曲げ半径より小さくはならない。According to the first to third aspects of the present invention, even when the object to be measured is bent and stretched, the minimum bending radius of the bending amount detector does not become smaller than the limit bending radius.
【００１２】[0012]
【実施例】以下、図面を参照して、本発明の一実施例に
ついて説明する。図１は本発明の第１の実施例による曲
げ検出装置８の構成を示す部分断面図であり、この図に
おいて、図６の各部に対応する部分には同一の符号を付
け、その説明を省略する。この図に示す曲げ検出装置８
においては、曲げ量検出器１と指７（被測定物）との間
に、所定の厚さを有した可撓性部材９が新たに設けられ
ている。この可撓性部材９の厚さは、少なくとも、曲げ
量検出器１の限界曲げ半径Ｒ1（たとえば、７ｍｍ）か
ら被測定物である指７の最小曲げ半径Ｒ2（たとえば、
３ｍｍ）を引いた厚さ（たとえば、４ｍｍ）とする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a partial cross-sectional view showing the structure of a bend detecting device 8 according to a first embodiment of the present invention. In this figure, parts corresponding to the respective parts in FIG. To do. Bending detection device 8 shown in this figure
In the above, a flexible member 9 having a predetermined thickness is newly provided between the bending amount detector 1 and the finger 7 (object to be measured). The thickness of the flexible member 9 is at least from the limit bending radius R 1 (for example, 7 mm) of the bending amount detector 1 to the minimum bending radius R 2 (for example, 7 mm) of the finger 7 as the object to be measured.
3 mm) minus the thickness (for example, 4 mm).
【００１３】このような構成において、操作者がこの曲
げ検出装置８を手に装着した後、指７を曲げ伸ばしする
ことにより、上述した抵抗体３aと３bのそれぞれの抵抗
値ＲaおよびＲbの変化に基づいて指７の曲げが検出され
る。この時、曲げ量検出器１と指７との間に可撓性部材
９が設けられているので、曲げ量検出器１は、その限界
曲げ半径Ｒ1より曲がることはないので、耐久性を確保
することができる。In such a structure, the operator mounts the bending detecting device 8 on his / her hand, and then bends and extends the finger 7, whereby the resistance values R a and R a of the resistors 3 a and 3 b are increased. The bending of the finger 7 is detected based on the change in R b . At this time, since the flexible member 9 is provided between the bending amount detector 1 and the finger 7, the bending amount detector 1 does not bend beyond its limit bending radius R 1, and therefore durability is improved. Can be secured.
【００１４】次に、本発明の第２の実施例について説明
する。図２は本発明の第２の実施例による曲げ検出装置
１０の構成を示す部分断面図であり、この図において、
図１の各部に対応する部分には同一の符号を付け、その
説明を省略する。この図に示す曲げ検出装置１０におい
ては、曲げ量検出器１と指７（被測定物）との間に、ほ
ぼ半円柱状あるいは台形状の凸部が所定間隔で連続して
並べられた長手方向の断面形状（図３（イ）参照）を有
し、かつ、その曲げ半径Ｒ3が曲げ量検出器１の限界曲
げ半径Ｒ1以上（図３（ロ）参照）である部材１１が新
たに設けられている。Next, a second embodiment of the present invention will be described. FIG. 2 is a partial cross-sectional view showing the configuration of the bending detection device 10 according to the second embodiment of the present invention.
The same reference numerals are given to the portions corresponding to the respective portions in FIG. 1, and the description thereof will be omitted. In the bending detection device 10 shown in this figure, a substantially semi-cylindrical or trapezoidal convex portion is continuously arranged at a predetermined interval between the bending amount detector 1 and the finger 7 (object to be measured). A member 11 having a cross-sectional shape in the direction (see FIG. 3A) and having a bending radius R 3 not less than the limit bending radius R 1 of the bending amount detector 1 (see FIG. 3B) is newly added. It is provided in.
【００１５】このような構成において、操作者がこの曲
げ検出装置１０を手に装着した後、指７を曲げ伸ばしす
ることにより、上述した抵抗体３aと３bのそれぞれの抵
抗値ＲaおよびＲbの変化に基づいて指７の曲げが検出さ
れる。この時、曲げ量検出器１と指７との間に部材１１
が設けられているので、曲げ量検出器１は、その限界曲
げ半径Ｒ1より曲がることはないので、耐久性を確保す
ることができる。In such a structure, the operator mounts the bending detecting device 10 on his / her hand, and then bends and extends the finger 7, whereby the respective resistance values R a and R a of the resistors 3 a and 3 b are increased. The bending of the finger 7 is detected based on the change in R b . At this time, the member 11 is placed between the bending amount detector 1 and the finger 7.
Since the bending amount detector 1 does not bend beyond its limit bending radius R 1 , durability can be ensured.
【００１６】尚、上述した実施例においては、曲げ量検
出器１と指７との間に、可撓性部材９あるいは部材１１
を単に介挿した例を示したが、これら全体あるいはその
一部を曲げ量検出器１の指７側の面に接着剤等により固
定してもよい。また、可撓性部材９あるいは部材１１
を、指全長にわたってではなく、関節部のみに当接する
よう、装身具５と曲げ量検出器１との間あるいは曲げ量
検出器１の指７側の面で、指７の関節の位置に接着剤等
により固定してもよい。また、上述した実施例において
は、被測定物の曲げを検出する検出器として曲げ量検出
器１を用いた例を示したが、所定の限界曲げ半径を有す
る検出器であればどのようなものでもよい。In the above-described embodiment, the flexible member 9 or the member 11 is provided between the bending amount detector 1 and the finger 7.
Although the example in which the above is simply inserted is shown, the whole or a part thereof may be fixed to the surface of the bending amount detector 1 on the finger 7 side with an adhesive or the like. In addition, the flexible member 9 or the member 11
So as to contact only the joint portion, not the entire length of the finger, or the adhesive at the joint position of the finger 7 between the accessory 5 and the bending amount detector 1 or on the surface of the bending amount detector 1 on the finger 7 side. It may be fixed by, for example. Further, in the above-described embodiment, the example in which the bending amount detector 1 is used as the detector for detecting the bending of the object to be measured is shown, but any detector having a predetermined limit bending radius can be used. But it's okay.
【００１７】[0017]
【発明の効果】以上説明したように、請求項１ないし３
記載の発明によれば、曲げ量検出器の曲げ半径を適切な
値に抑えることができ、耐久性を保持することができる
という効果がある。また、請求項３記載の発明によれ
ば、曲げ量検出器と被測定物との間に厚い部材を介挿す
る必要がない（たとえば、厚さは１ｍｍ程度でよい）た
め、外観上好ましく、また、装着感覚もよいという効果
がある。As described above, according to claims 1 to 3,
According to the described invention, there is an effect that the bending radius of the bending amount detector can be suppressed to an appropriate value, and durability can be maintained. Further, according to the invention described in claim 3, since it is not necessary to insert a thick member between the bending amount detector and the object to be measured (for example, the thickness may be about 1 mm), it is preferable in appearance. Moreover, there is an effect that the wearing feeling is good.
【図１】 本発明の第１の実施例による曲げ検出装置８
の構成を示す部分断面図である。FIG. 1 is a bending detection device 8 according to a first embodiment of the present invention.
3 is a partial cross-sectional view showing the configuration of FIG.
【図２】 本発明の第２の実施例による曲げ検出装置１
０の構成を示す部分断面図である。FIG. 2 is a bend detection device 1 according to a second embodiment of the present invention.
It is a fragmentary sectional view which shows the structure of 0.
【図３】 部材１１の部分拡大断面図である。FIG. 3 is a partially enlarged sectional view of a member 11.
【図４】 従来の曲げ量検出器１の構成例を示す斜視図
である。FIG. 4 is a perspective view showing a configuration example of a conventional bending amount detector 1.
【図５】 図４に示す曲げ量検出器１の検出原理を説明
するための部分断面図である。5 is a partial cross-sectional view for explaining the detection principle of the bending amount detector 1 shown in FIG.
【図６】 従来の曲げ検出装置６の構成例を示す部分断
面図である。FIG. 6 is a partial cross-sectional view showing a configuration example of a conventional bending detection device 6.
１……曲げ量検出器、２……ベース部材、３a，３b……
抵抗体、４a〜４d……リード線、５……装身具、６，
８，１０……曲げ検出装置、７……指、９……可撓性部
材、１１……部材。1 ... Bending amount detector, 2 ... Base member, 3a , 3b ...
Resistor, 4 a ~4 d ...... lead, 5 ...... trinkets, 6,
8, 10 ... Bending detection device, 7 ... Finger, 9 ... Flexible member, 11 ... Member.
Claims (3)
するセンサからなる曲げ量検出器と、 該曲げ量検出器と被測定物との間に介挿され、前記曲げ
量検出器の最小曲げ半径を限界曲げ半径以上に規制する
部材とを具備することを特徴とする曲げ検出装置。1. A bending amount detector comprising a flexible sensor that outputs a signal according to bending, and a bending amount detector inserted between the bending amount detector and an object to be measured. A bend detecting device, comprising: a member that restricts a minimum bend radius to a limit bend radius or more.
するセンサからなる曲げ量検出器と、 該曲げ量検出器と被測定物との間に介挿され、すくなく
とも前記曲げ量検出器の限界曲げ半径と前記被測定物の
最小曲げ半径との差の厚さを有し、可撓性を有する部材
とを具備することを特徴とする曲げ検出装置。2. A bending amount detector comprising a flexible sensor for outputting a signal according to bending, and a bending amount detector interposed between the bending amount detector and an object to be measured, and at least the bending amount detector. And a flexible member having a thickness that is the difference between the limit bend radius of the above item and the minimum bend radius of the object to be measured.
するセンサからなる曲げ量検出器と、 該曲げ量検出器と被測定物との間に介挿され、ほぼ半円
柱状あるいは台形状の凸部が所定間隔で連続して並べら
れた長手方向の断面形状を有し、かつ、その曲げ半径が
前記曲げ量検出器の限界曲げ半径以上である部材とを具
備することを特徴とする曲げ検出装置。3. A bending amount detector formed of a flexible sensor that outputs a signal in accordance with bending, and a bending amount detector interposed between the bending amount detector and an object to be measured, and having a substantially semi-cylindrical shape or a base. And a member having a longitudinal cross-sectional shape in which convex portions of a shape are continuously arranged at a predetermined interval, and the bending radius of which is equal to or larger than the limit bending radius of the bending amount detector. Bending detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18482891A JPH0587511A (en) | 1991-07-24 | 1991-07-24 | Bending detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18482891A JPH0587511A (en) | 1991-07-24 | 1991-07-24 | Bending detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0587511A true JPH0587511A (en) | 1993-04-06 |
Family
ID=16160012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18482891A Pending JPH0587511A (en) | 1991-07-24 | 1991-07-24 | Bending detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0587511A (en) |
Cited By (36)
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|---|---|---|---|---|
| JP2006038710A (en) * | 2004-07-28 | 2006-02-09 | Hiroshima Univ | Bending deformation sensor and deformation measuring device |
| JP2006330082A (en) * | 2005-05-23 | 2006-12-07 | Fujifilm Holdings Corp | Curvature-detecting apparatus and flexible apparatus |
| JP2009109337A (en) * | 2007-10-30 | 2009-05-21 | Minebea Co Ltd | Bend sensor |
| WO2015127458A1 (en) * | 2014-02-24 | 2015-08-27 | Mc10, Inc. | Conformal electronics with deformation indicators |
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| US9408305B2 (en) | 2012-06-11 | 2016-08-02 | Mc10, Inc. | Strain isolation structures for stretchable electronics |
| US9516758B2 (en) | 2008-10-07 | 2016-12-06 | Mc10, Inc. | Extremely stretchable electronics |
| US9554850B2 (en) | 2012-07-05 | 2017-01-31 | Mc10, Inc. | Catheter device including flow sensing |
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