JPH03257374A - Composite type photosensor for measuring acceleration and temperature - Google Patents
Composite type photosensor for measuring acceleration and temperatureInfo
- Publication number
- JPH03257374A JPH03257374A JP5504090A JP5504090A JPH03257374A JP H03257374 A JPH03257374 A JP H03257374A JP 5504090 A JP5504090 A JP 5504090A JP 5504090 A JP5504090 A JP 5504090A JP H03257374 A JPH03257374 A JP H03257374A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- light
- acceleration
- optical fiber
- mirror
- 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
- 230000001133 acceleration Effects 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims description 4
- 239000013307 optical fiber Substances 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 3
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、温度と加速度を同時に測定できる複合型光セ
ンサに関する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a composite optical sensor that can simultaneously measure temperature and acceleration.
「従来の技術」
従来の光ファイバを利用した光センサでは、1本の光フ
ァイバからの入射光に対して、一つの情報を得るもので
あった。ここでは、従来の売却速度センサ、光温度セン
サについて説明する。"Prior Art" A conventional optical sensor using an optical fiber obtains one piece of information for incident light from one optical fiber. Here, a conventional sales speed sensor and light temperature sensor will be explained.
第二図に売却速度センサの槽底を記す。同図において光
ファイバlより入射した光は、ロッドレンズ3により平
行光線となり、振動梁エレメント5に照射され、前記振
動梁エレメント5上のミラーにより反射される。反射光
は前記ロッドレンズ3により、ファイバの端面で焦点を
結ぶ。Figure 2 shows the bottom of the tank for the selling speed sensor. In the figure, light incident from an optical fiber 1 is converted into a parallel beam by a rod lens 3, is irradiated onto a vibrating beam element 5, and is reflected by a mirror on the vibrating beam element 5. The reflected light is focused by the rod lens 3 on the end face of the fiber.
加速度が加えられた場合、前記振動梁エレメント5のス
プリング作用による角度変位に応じて、焦点が移動する
。このためファイバへの光入力信号量が変化し、これが
加速度情報を表す。When acceleration is applied, the focal point moves in accordance with the angular displacement of the vibrating beam element 5 due to the action of the spring. This changes the amount of optical input signal to the fiber, which represents acceleration information.
前記光ファイバ1からの入射光は発光物質2を照射し、
前記発光物質2は励起光を発し前記光ファイバ]−へ再
入射する。この励起光はファイバやコネクタによる損失
を補償する参照信号である。The incident light from the optical fiber 1 illuminates the luminescent substance 2,
The luminescent material 2 emits excitation light and re-enters the optical fiber. This excitation light is a reference signal that compensates for losses due to fibers and connectors.
第3図に光温度センサの講或を記す。Fig. 3 shows a description of the optical temperature sensor.
光ファイバ7より入射した光は8を照射し、前記螢光体
8は入射光と全く異なった波長の光を励起する。この励
起光の波長が温度に依存して変化するため、これが温度
情報を持つ。Light incident from the optical fiber 7 illuminates the phosphor 8, and the phosphor 8 excites light having a wavelength completely different from that of the incident light. Since the wavelength of this excitation light changes depending on the temperature, it has temperature information.
「発明が解決しようとする課題」
従来の構成では、1つのセンサにつき、加速度、温度等
、1つの情報を測定するものであった。"Problem to be Solved by the Invention" In the conventional configuration, one sensor measures one piece of information such as acceleration and temperature.
「課題を解決するための手段」
本発明では1本の光ファイバによる入射光に対し、加速
度、温度の2つの情報を持った反射光を得るセンサを実
現する。"Means for Solving the Problems" The present invention realizes a sensor that obtains reflected light having two pieces of information, acceleration and temperature, for incident light through one optical fiber.
「作用」
1本の光ファイバによる入射光を、ハーフミラ−により
50%ずつ分離し、それぞれの光が加速度センサ、温度
センサに入射し、加速度、温度の情報を持った光が再び
ハーフミラ−を通って、光ファイバに再入射する機能を
備えた複合型光センサである。"Operation" The incident light from one optical fiber is separated by 50% by a half mirror, each light enters an acceleration sensor and a temperature sensor, and the light with acceleration and temperature information passes through the half mirror again. This is a composite optical sensor that has the function of re-injecting light into an optical fiber.
「実施例」 本発明の実施例を第1図を参照しながら説明する。"Example" An embodiment of the present invention will be described with reference to FIG.
光ファイバ1より出射した光は、ハーフミラ−11によ
り、50%はそのまま透過し、グラス10に到り、加速
度センサへの入射光となる。50% of the light emitted from the optical fiber 1 is transmitted through the half mirror 11 as it is, reaches the glass 10, and becomes incident light on the acceleration sensor.
反射ミラー6で反射した光と発光物質2が発した励起光
は、前記ハーフミラ−エ1によりその50%が透過し、
前記光ファイバ1の端面に入射する。50% of the light reflected by the reflection mirror 6 and the excitation light emitted by the luminescent substance 2 is transmitted by the half mirror 1,
The light is incident on the end face of the optical fiber 1.
前記光ファイバ1より出射した光の50%は前記ハーフ
ミラ−11により進行方向を90°変え、温度センサへ
の入射光となり、蛍光体8を励起し、前記蛍光体8より
温度情報を持つ光が発せられ、前記ハーフミラ−1工に
よりその50%が前記光フアイバ上の端面に入射する。50% of the light emitted from the optical fiber 1 changes its traveling direction by 90 degrees by the half mirror 11, becomes incident light on the temperature sensor, excites the phosphor 8, and the phosphor 8 emits light having temperature information. The light is emitted, and 50% of it is incident on the end face of the optical fiber by the half mirror.
「発明の効果」
本発明により1本のセンサによって温度、加速度という
2つの情報を持つセンサが実現される。"Effects of the Invention" According to the present invention, a sensor having two pieces of information, temperature and acceleration, can be realized using one sensor.
第1図は、本発明の詳細な説明するための図である。第
2図は、従来の技術である加速度センサを説明するため
の図、第3図は、従来の技術である光温度センサを説明
するための図である。
1:光ファイバ
2:発光物質
3;レンズ
4;グラス
5:振動梁エレメント
6:反射ミラー
7;光ファイバ
8:蛍光体
9:保護物
10ニゲラス
11:ハーフミラ−FIG. 1 is a diagram for explaining the present invention in detail. FIG. 2 is a diagram for explaining a conventional acceleration sensor, and FIG. 3 is a diagram for explaining a conventional optical temperature sensor. 1: Optical fiber 2: Luminescent substance 3; Lens 4; Glass 5: Vibrating beam element 6: Reflection mirror 7; Optical fiber 8: Phosphor 9: Protective material 10 Nigelas 11: Half mirror
Claims (1)
ハーフミラーと、このハーフミラーの先端面に反射ミラ
ーとカンチレバーとレンズと発光物質よりなる加速度検
知部を含み、前記ハーフミラーの側面に温度依存性を持
つ螢光体よりなる温度検知部を含む1本の光ファイバか
らの入射光をハーフミラーを用いて2分し、加速度検知
部、温度検知部にそれぞれ入射し、加速度、温度をそれ
ぞれ検知することを特徴とした加速度温度測定用複合型
光センサ。An optical fiber, a half mirror optically coupled to the optical fiber, and an acceleration detecting section consisting of a reflective mirror, a cantilever, a lens, and a luminescent substance on the tip surface of the half mirror, and a temperature-dependent sensor on the side surface of the half mirror. A half mirror is used to split the incident light from one optical fiber, which includes a temperature detection part made of a fluorescent substance with a characteristic, into two parts, and the light enters the acceleration detection part and temperature detection part, respectively, to detect acceleration and temperature. A composite optical sensor for acceleration temperature measurement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5504090A JPH03257374A (en) | 1990-03-08 | 1990-03-08 | Composite type photosensor for measuring acceleration and temperature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5504090A JPH03257374A (en) | 1990-03-08 | 1990-03-08 | Composite type photosensor for measuring acceleration and temperature |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03257374A true JPH03257374A (en) | 1991-11-15 |
Family
ID=12987550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5504090A Pending JPH03257374A (en) | 1990-03-08 | 1990-03-08 | Composite type photosensor for measuring acceleration and temperature |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03257374A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05161205A (en) * | 1991-12-06 | 1993-06-25 | Takaoka Electric Mfg Co Ltd | Pantograph |
US8317392B2 (en) * | 2008-12-23 | 2012-11-27 | Honeywell International Inc. | Surface acoustic wave based micro-sensor apparatus and method for simultaneously monitoring multiple conditions |
GB2500255A (en) * | 2012-03-16 | 2013-09-18 | Oxsensis Ltd | Optical sensor |
CN107703779A (en) * | 2017-07-25 | 2018-02-16 | 广东乐心医疗电子股份有限公司 | Method and device for controlling opening and closing of function by identifying whether wearable equipment is worn or not |
-
1990
- 1990-03-08 JP JP5504090A patent/JPH03257374A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05161205A (en) * | 1991-12-06 | 1993-06-25 | Takaoka Electric Mfg Co Ltd | Pantograph |
US8317392B2 (en) * | 2008-12-23 | 2012-11-27 | Honeywell International Inc. | Surface acoustic wave based micro-sensor apparatus and method for simultaneously monitoring multiple conditions |
GB2500255A (en) * | 2012-03-16 | 2013-09-18 | Oxsensis Ltd | Optical sensor |
US9766099B2 (en) | 2012-03-16 | 2017-09-19 | Oxsensis Limited | Optical sensor with one or more sensing interference elements |
US10545035B2 (en) | 2012-03-16 | 2020-01-28 | Oxsensis Limited | Optical sensor with one or more sensing interference elements |
GB2500255B (en) * | 2012-03-16 | 2020-04-15 | Oxsensis Ltd | Optical sensor |
CN107703779A (en) * | 2017-07-25 | 2018-02-16 | 广东乐心医疗电子股份有限公司 | Method and device for controlling opening and closing of function by identifying whether wearable equipment is worn or not |
CN107703779B (en) * | 2017-07-25 | 2020-03-10 | 广东乐心医疗电子股份有限公司 | Method and device for controlling opening and closing of function by identifying whether wearable equipment is worn or not |
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