JP2545645Y2 - Optical sensing device - Google Patents
Optical sensing deviceInfo
- Publication number
- JP2545645Y2 JP2545645Y2 JP1992010388U JP1038892U JP2545645Y2 JP 2545645 Y2 JP2545645 Y2 JP 2545645Y2 JP 1992010388 U JP1992010388 U JP 1992010388U JP 1038892 U JP1038892 U JP 1038892U JP 2545645 Y2 JP2545645 Y2 JP 2545645Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- thin plate
- prepaid card
- light receiving
- face
- 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.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】本考案は薄板状物検数器などに用
いられる光学的検知装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical detecting device used for a thin-sheet counter and the like.
【０００２】[0002]
【従来の技術】従来、複数の重ねられて端面を揃えたプ
リペイドカードなどの薄板状物を検数する薄板状物検数
器は、図５に示すように複数の重ねられた薄板状物、例
えばプリペイドカード１1，１2，１3・・・の重ね方向
Ａへホトセンサー２を図示しない走査機構により一定の
速度で移動させてプリペイドカード１1，１2，１3・・
・の揃えた端面をホトセンサー２における発光素子３か
ら投光されてレンズ５で集光された光線でプリペイドカ
ード１1，１2，１3・・・の重ね方向Ａにスキャニング
し、その反射光線をレンズ６によりホトセンサー２にお
ける受光素子４に集光して受光することによりプリペイ
ドカード１1，１2，１3・・・の端面からの反射光線の
強弱を電気的な信号に変換してプリペイドカード１1，
１2，１3・・・を検知する。そして、この検知信号をビ
ット処理回路で比較レベルと比較して２値のビット信号
に変換した後にカウント手段でカウントすることにより
プリペイドカード１1，１2，１3・・・を検数してい
る。この場合、光線のプリペイドカード１1，１2，１3
・・・端面に対する入射角λ1と反射角λ2とが等しくな
るように設定している。2. Description of the Related Art Conventionally, a sheet-like object counter for counting a plurality of sheet-like objects such as a prepaid card having a plurality of stacked end-faces aligned, as shown in FIG. for example prepaid card 1 1, 1 2, 1 3, ... are moved to the overlapping direction a by a scanning mechanism (not shown) the photo sensor 2 at a constant rate of prepaid cards 1 1, 1 2, 1 3 ...
· Justification and the end surface scanned to the prepaid card 1 1, 1 2, 1 3 ... lap direction A by the condensing light rays are projected from the light-emitting element 3 by the lens 5 in the photosensor 2, the reflected the lens 6 light rays is converted into an electrical signal the intensity of the reflected light from the end face of the prepaid card 1 1, 1 2, 1 3 ... by receiving light focused on the light receiving element 4 in the photosensor 2 Prepaid card 1 1 ,
To detect the 1 2, 1 3 .... Then, count the prepaid card 1 1, 1 2, 1 3 ... by counting the count means the detection signal after converting to bit binary signal as compared to the comparison level at the bit processing circuit I have. In this case, the light beam prepaid card 1 1 , 1 2 , 1 3
... The incident angle λ 1 and the reflection angle λ 2 with respect to the end face are set to be equal.
【０００３】[0003]
【考案が解決しようとする課題】上記薄板状物検数器は
発光素子３からの光線をレンズ５によりプリペイドカー
ド１1，１2，１3・・・の端面に集光してその反射光線
をレンズ６により受光素子４に集光し、光線のプリペイ
ドカード１1，１2，１3・・・端面に対する入射角λ1と
反射角λ2とが等しくなるように設定しているので、ホ
トセンサー２によるプリペイドカード１1，１2，１3・
・・の検知がレンズ５からプリペイドカード１1，１2，
１3・・・の端面までの距離の変動により影響されてプ
リペイドカード１1，１2，１3・・・を正確に検知でき
なくなってプリペイドカード１1，１2，１3・・・を正
確に検数することが困難になり、レンズ５からプリペイ
ドカード１1，１2，１3・・・の端面までの距離を高い
精度で設定する必要があった。An invention is to provide a prepaid card 1 1 by the lens 5 light rays from the thin plate-like material count instrument light emitting element 3, 1 2, 1 3 and converges at the end face of ... with the reflected light beam Is condensed on the light receiving element 4 by the lens 6, and the incident angle λ 1 and the reflection angle λ 2 of the light beam with respect to the prepaid card 11 1 , 1 2 , 13 3 ... Prepaid card 1 1 , 1 2 , 1 3.
・ ・ Detection from lens 5 to prepaid card 1 1 , 1 2 ,
1 3 ... end surface to the prepaid card 1 1 is affected by changes in the distance of 1 2, 1 3 prepaid card 1 1 no longer possible to accurately detect the ..., 1 2, 1 3 ... it is difficult to count correctly inspected, the prepaid card 1 1 from the lens 5, 1 2, it is necessary to set a third distance to the end face of ... with high accuracy.
【０００４】本考案は上記欠点を改善し、光学系から薄
板状物の端面までの距離に影響されずに薄板状物を正確
に検知することができる光学的検知装置を提供すること
を目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to improve the above-mentioned drawbacks and to provide an optical detection device capable of accurately detecting a thin plate without being affected by the distance from the optical system to the end surface of the thin plate. I do.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、請求項１記載の考案は、複数の重ねられた薄板状物
の端面を投光部からの光線でスキャニングしてその反射
光線の強弱を受光部により電気的な信号に変換して薄板
状物を検知する光学的検知装置において、前記投光部を
その光軸が前記薄板状物の端面に対して略垂直になるよ
うに設け、前記受光部として光軸を外れた点で前記薄板
状物の端面により生ずる乱反射光の一部を集光し受光す
る受光部を設け、前記受光部を前記スキャニングの方向
については前記投光部とほぼ同じ位置で、かつ、前記ス
キャニングの方向と直角で前記薄板状物の端面に垂直な
方向より所定の角度だけずれた方向で受光するような位
置に配置したものである。In order to achieve the above-mentioned object, the invention according to claim 1 is characterized in that the end faces of a plurality of stacked thin plate-like objects are scanned with light rays from a light projecting portion, and the intensity of reflected light rays is reduced. In an optical detection device that detects a thin plate by converting the light into an electrical signal by a light receiving unit, the light projecting unit is provided such that its optical axis is substantially perpendicular to an end surface of the thin plate, A light receiving unit is provided as the light receiving unit for collecting and receiving a part of diffusely reflected light generated by the end face of the thin plate at a point off the optical axis, and the light receiving unit is moved in the scanning direction.
Is located at substantially the same position as the light emitting section and
Perpendicular to the canning direction and perpendicular to the end face of the sheet
Position that receives light in a direction shifted by a predetermined angle from the
It is arranged in the place .
【０００６】[0006]
【作用】請求項１記載の考案は、投光部が光線を薄板状
物の端面に対して略垂直に投光し、受光部が薄板状物の
端面からの乱反射光を受光する。According to the first aspect of the present invention, the light projecting unit projects the light beam substantially perpendicular to the end face of the thin plate, and the light receiving unit receives the irregularly reflected light from the end face of the thin plate.
【０００７】[0007]
【実施例】図１は本考案の一実施例の前提となる光学的
検知装置を示す。前述した薄板状物検数器において、ホ
トセンサー２が発光素子３ａ、受光素子４ａ及びレンズ
５ａ，６ａにより構成され、発光素子３ａ及びレンズ５
ａは複数の重ねて端面を揃えたプリペイドカード１1，
１2，１3・・・からなる薄板状物の揃えた端面に対して
垂直に光線を投光するように配置される。つまり、発光
素子３ａ及びレンズ５ａからなる投光部はその光軸がプ
リペイドカード１1，１2，１3・・・の端面に対して略
垂直になるように設けられる。FIG. 1 shows an optical system which is a premise of an embodiment of the present invention.
3 shows a detection device . In the above-described thin plate object counter, the photosensor 2 includes the light emitting element 3a, the light receiving element 4a, and the lenses 5a, 6a.
Prepaid cards 1 1 a is stocked with end faces a plurality of superimposed,
Is arranged to project a light beam perpendicularly to 1 2, 1 3 aligned end faces of the thin plate composed of .... In other words, the light projecting unit comprising a light emitting element 3a and the lens 5a is provided so that its optical axis is substantially perpendicular to the end face of the prepaid card 1 1, 1 2, 1 3,.
【０００８】また、受光素子４ａ及びレンズ６ａはプリ
ペイドカード１1，１2，１3・・・の揃えた端面からの
乱反射光を垂直方向より所定の角度だけずれた方向で受
光するように配置される。つまり、受光素子４ａ及びレ
ンズ６ａは投光部の光軸を外れた点でプリペイドカード
１1，１2，１3・・・の端面により生ずる乱反射光の一
部を集光し受光する受光部を構成する。従って、発光素
子３ａからの光線はレンズ５ａによりプリペイドカード
１1，１2，１3・・・の端面に集光されて垂直に入射
し、その乱反射光線の一部がレンズ６ａにより集光され
て受光素子４ａにより受光される。 Further, the light receiving elements 4a and the lens 6a is positioned to receive prepaid card 1 1, 1 2, 1 3 by a predetermined angle from the vertical direction irregular reflection light from the end face justified ... displacement direction Is done. That is, the light receiving elements 4a and the lens 6a prepaid card 1 1 at a point off the optical axis of the light projecting unit, 1 2, 1 3 a part of the diffuse reflection light caused by the end face of ... condensed light receiving portion for receiving Is configured. Thus, light from the light emitting element 3a is a lens 5a is incident vertically converges at the end face of the prepaid card 1 1, 1 2, 1 3 ..., a part of the diffused reflection light is condensed by the lens 6a The light is received by the light receiving element 4a.
【０００９】ホトセンサー２は走査機構によりプリペイ
ドカード１1，１2，１3・・・の重ね方向Ａへ一定の速
度で移動させられてプリペイドカード１1，１2，１3・
・・の揃えた端面がホトセンサー２における発光素子３
ａからのレンズ５ａにより集光された光線でプリペイド
カード１1，１2，１3・・・の重ね方向Ａにスキャニン
グされ、その反射光線がホトセンサー２における受光素
子４ａでレンズ６ａを介して受光されることによりプリ
ペイドカード１1，１2，１3・・・の端面からの反射光
線の強弱が電気的な信号に変換されてプリペイドカード
１1，１2，１3・・・が検知される。そして、この検知
信号がビット処理回路で比較レベルと比較されて２値の
ビット信号に変換された後にカウント手段でカウントさ
れることによりプリペイドカード１1，１2，１3・・・
が検数される。[0009] Prepaid cards 1 1 by the photo sensor 2 is scanning mechanism, 1 2, 1 3 ... is moved in the stacked direction A at a constant rate of prepaid cards 1 1, 1 2, 1 3-
.. the light-emitting element 3 in the photosensor 2 having the aligned end faces
are scanned in the overlapping direction A of the prepaid cards 1 1 , 1 2 , 1 3, ..., and the reflected light is transmitted through the lens 6 a by the light receiving element 4 a of the photosensor 2. prepaid card 1 1 by being received, 1 2, 1 3 ... prepaid card 1 intensity of the reflected light is converted into an electrical signal from the end face 1, 1 2, 1 3 ... are detected Is done. The detection signal is compared with a comparison level by a bit processing circuit, converted into a binary bit signal, and then counted by a counting means, so that the prepaid card 1 1 , 1 2 , 1 3.
Is counted.
【００１０】この光学的検知装置では、発光素子３ａか
らの光線をレンズ５ａによりプリペイドカード１1，
１2，１3・・・の端面に集光して垂直に入射させ、その
乱反射光線の一部をレンズ６ａにより受光素子４ａによ
り集光して受光するので、受光素子４ａで受光する光線
はやや弱まるが、ホトセンサー２によるプリペイドカー
ド１1，１2，１3・・・の検知がレンズ５ａからプリペ
イドカード１1，１2，１3・・・の端面までの距離の変
動によりあまり影響されされなくなってプリペイドカー
ド１1，１2，１3・・・を正確に検知でき、プリペイド
カード１1，１2，１3・・・を正確に検数することが可
能になってレンズ５ａからプリペイドカード１1，１2，
１3・・・の端面までの距離を高い精度で設定する必要
がなくなる。In this optical detecting device , the light beam from the light emitting element 3a is transmitted by the lens 5a to the prepaid card 11 1 ,
.. Are condensed on the end faces of 1 2 , 1 3, ..., And vertically incident, and a part of the irregularly reflected light is condensed by the light receiving element 4 a by the lens 6 a and received by the light receiving element 4 a. slightly weakened, but the prepaid card 1 1 by the photosensor 2, 1 2, 1 3 prepaid card 1 1 detected from the lens 5a of ..., 1 2, 1 3 significantly affected by changes in the distance to the end faces of ... prepaid cards 1 1 is no longer to be, 1 2, 1 3 ... can be accurately detected, and pre-paid cards 1 1, 1 2, 1 3 ... a becomes possible to accurately count the lens 5a From the prepaid cards 1 1 , 1 2 ,
1 3 The distance to the end face of ... with high accuracy is not necessary to be set.
【００１１】また、上記光学的検知装置においては、図
２に示すようにプリペイドカード１1，１2，１3・・・
の端面がずれていた場合には光線でスキャニングしてい
る最中のプリペイドカード１2の前後のプリペイドカー
ドにより光線が影響されてプリペイドカード１1，１2，
１3・・・を正確に検知できなくなるという不都合が生
ずることもある。Further, in the above-described optical detection device, a prepaid card 1 1 as shown in FIG. 2, 1 2, 1 3 ...
Prepaid cards 1 1 is rays influenced by the prepaid card 1 2 before and after the prepaid card midst of scanning with light in the case where the end face is deviated, 1 2,
1 3 ... can not be accurately detect the sometimes inconvenience is caused that.
【００１２】本考案の一実施例はこのような不都合を解
消するようにしたものであり、上記図１に示した光学的
検知装置において、図３及び図４に示すように受光素子
４ａ及びレンズ６ａをホトセンサー２のスキャニング方
向（プリペイドカード１1，１2，１3・・・の重ね方向
Ａ）については発光素子３ａ及びレンズ５ａとほぼ同じ
位置で、かつ、ホトセンサー２のスキャニング方向と直
角な方向（プリペイドカード１1，１2，１3・・・の横
方向）についてプリペイドカード１1，１2，１3・・・
の端面からの乱反射光を垂直方向より所定の角度だけず
れた方向で受光するような位置に配置したものである。 One embodiment of the present invention is intended to solve such a disadvantage, and the optical system shown in FIG.
In sensing device 3 and the scanning direction of the photosensor 2 light receiving elements 4a and the lens 6a as shown in FIG. 4 (prepaid card 1 1, 1 2, 1 3 ... lap direction A) light-emitting elements 3a for and at approximately the same position as the lens 5a, and the scanning direction perpendicular to the direction of the photosensor 2 prepaid card 1 1 for (prepaid card 1 1, 1 2, 1 3 lateral ...), 1 2, 1 3 ...
Are arranged so as to receive irregularly reflected light from the end face of the lens in a direction shifted by a predetermined angle from the vertical direction.
【００１３】この実施例では、プリペイドカード１1，
１2，１3・・・の端面がずれていた場合にも、光線でス
キャニングしている最中のプリペイドカードの前後のプ
リペイドカードにより光線が影響されることがなくな
り、プリペイドカード１1，１2,13・・・を正確に検知
することができる。In this embodiment, the prepaid card 1 1 ,
1 2, 1 3 ... when the end face is deviated even of, prevents the light beam is affected by the front and rear prepaid card prepaid cards midst of scanning with light, the prepaid card 1 1, 1 2, 1 3 ... it can be detected accurately.
【００１４】[0014]
【考案の効果】以上のように請求項１記載の考案によれ
ば、複数の重ねられた薄板状物の端面を投光部からの光
線でスキャニングしてその反射光線の強弱を受光部によ
り電気的な信号に変換して薄板状物を検知する光学的検
知装置において、前記投光部をその光軸が前記薄板状物
の端面に対して略垂直になるように設け、前記受光部と
して光軸を外れた点で前記薄板状物の端面により生ずる
乱反射光の一部を集光し受光する受光部を設けたので、
薄板状物の端面の不揃いが生じた場合も確実に投光部か
ら薄板状物の端面に光線を当てることができ、投光軸か
ら外れた点で薄板状物の端面により生ずる乱反射光の一
部を受光部で受光して薄板状物端面の光情報を薄板状物
端面が凹部となっている場合においても確実に得ること
ができて光学系と薄板状物の端面との距離に影響されず
に薄板状物を正確に検知することができる。As described above, according to the first aspect of the present invention, the end faces of a plurality of stacked thin plate-like objects are scanned by the light from the light projecting unit, and the intensity of the reflected light is electrically transmitted to the light receiving unit. In the optical detection device for detecting a thin plate by converting the light into a signal, the light projecting unit is provided so that its optical axis is substantially perpendicular to an end surface of the thin plate, and the light receiving unit is used as the light receiving unit. Since a light receiving unit for condensing and receiving a part of the irregularly reflected light generated by the end face of the thin plate at an off-axis point is provided,
Even when the end surfaces of the thin plate are irregular, the light can be reliably applied from the light projecting part to the end surface of the thin plate, and one of the irregularly reflected light generated by the end surface of the thin plate at a point deviated from the light projecting axis. The light receiving part receives the light and the light information of the end face of the thin plate can be reliably obtained even when the end face of the thin plate is concave, and is affected by the distance between the optical system and the end face of the thin plate. It is possible to accurately detect a thin plate-like object without the need.
【００１５】また、前記受光部を前記スキャニングの方
向については前記投光部とほぼ同じ位置で、かつ、前記
スキャニングの方向と直角で前記薄板状物の端面に垂直
な方向より所定の角度だけずれた方向で受光するような
位置に配置したので、光学系と薄板状物の端面との距離
に影響されずに薄板状物を正確に検知することができる
だけでなく、薄板状物の端面がずれていた場合に光線で
スキャニングしている最中の薄板状物の前後の薄板状物
により光線が影響されて薄板状物を正確に検知できなく
なるという不都合を解消することができる。 Further, the light receiving portion in substantially the same position as the light projecting unit for direction of said scanning, and offset by a predetermined angle from a direction perpendicular to the end face of the thin plate material in a direction at right angles with the scanning Is positioned so as to receive light in the same direction as above, so that not only can the thin plate-like object be accurately detected without being affected by the distance between the optical system and the end surface of the thin plate-like object, but also the end surface of the thin plate-like object is displaced. In this case, it is possible to solve the problem that the light beam is affected by the thin plate material before and after the thin plate material being scanned with the light beam and the thin plate material cannot be detected accurately.
【図１】本考案の一実施例の前提となる光学的検知装置
を示す平面図である。FIG. 1 is a plan view showing an optical detection device which is a premise of one embodiment of the present invention.
【図２】同光学的検知装置の薄板状物検知状態例を示す
正面図である。FIG. 2 is a front view showing an example of a thin plate detection state of the optical detection device .
【図３】本考案の一実施例を示す平面図である。FIG. 3 is a plan view showing an embodiment of the present invention.
【図４】同実施例を示す正面図である。FIG. 4 is a front view showing the same embodiment.
【図５】従来の薄板状物検数器における光学的検知装置
を示す正面図である。FIG. 5 is a front view showing an optical detection device in a conventional thin plate object counter.
１1，１2，１3 プリペイドカード ３ａ 発光素子 ４ａ 受光素子 ５ａ レンズ ６ａ レンズ1 1, 1 2, 1 3 prepaid card 3a emitting element 4a receiving element 5a lens 6a lens
───────────────────────────────────────────────────── フロントページの続き (72)考案者 池永 一郎 熊本県熊本市上熊本３丁目８番１号・金 剛株式会社内 (56)参考文献 特開 平２−136989（ＪＰ，Ａ) 特開 昭62−226295（ＪＰ，Ａ) 特開 平２−291090（ＪＰ，Ａ) 実開 昭61−70268（ＪＰ，Ｕ) 特公 昭57−10475（ＪＰ，Ｂ２) ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Ichiro Ikenaga 3-8-1, Kamimakumamoto, Kumamoto City, Kumamoto Prefecture, Kongo Corporation (56) References JP-A-2-136989 (JP, A) JP 62-226295 (JP, A) JP-A-2-291090 (JP, A) Japanese Utility Model Application Sho 61-70268 (JP, U) JP-B-57-10475 (JP, B2)
Claims (1)
からの光線でスキャニングしてその反射光線の強弱を受
光部により電気的な信号に変換して薄板状物を検知する
光学的検知装置において、前記投光部をその光軸が前記
薄板状物の端面に対して略垂直になるように設け、前記
受光部として光軸を外れた点で前記薄板状物の端面によ
り生ずる乱反射光の一部を集光し受光する受光部を設
け、前記受光部を前記スキャニングの方向については前
記投光部とほぼ同じ位置で、かつ、前記スキャニングの
方向と直角で前記薄板状物の端面に垂直な方向より所定
の角度だけずれた方向で受光するような位置に配置した
ことを特徴とする光学的検知装置。1. An optical system which scans the end faces of a plurality of laminated sheet-like objects with light rays from a light projecting unit and converts the intensity of the reflected light into an electric signal by a light receiving unit to detect the sheet-like objects. In the target detection device, the light projecting unit is provided so that its optical axis is substantially perpendicular to the end surface of the thin plate-like object, and is generated by the end surface of the thin plate-like object at a point off the optical axis as the light receiving unit. A light receiving unit that collects and receives a part of the irregularly reflected light is provided, and the light receiving unit is located at substantially the same position as the light emitting unit in the scanning direction, and at a right angle to the scanning direction. An optical detecting device, wherein the optical detecting device is arranged at a position where light is received in a direction shifted by a predetermined angle from a direction perpendicular to an end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992010388U JP2545645Y2 (en) | 1992-03-03 | 1992-03-03 | Optical sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992010388U JP2545645Y2 (en) | 1992-03-03 | 1992-03-03 | Optical sensing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0571971U JPH0571971U (en) | 1993-09-28 |
| JP2545645Y2 true JP2545645Y2 (en) | 1997-08-25 |
Family
ID=11748745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992010388U Expired - Fee Related JP2545645Y2 (en) | 1992-03-03 | 1992-03-03 | Optical sensing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2545645Y2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710475A (en) * | 1980-06-23 | 1982-01-20 | Nec Corp | Moving target detector |
| JPS59154341A (en) * | 1983-02-23 | 1984-09-03 | Hitachi Ltd | Measuring device of foreign matter |
| JPH0814840B2 (en) * | 1986-03-27 | 1996-02-14 | 株式会社東京機械製作所 | Transported object counting device |
| JPH02136989A (en) * | 1988-11-17 | 1990-05-25 | Daipoole:Kk | Paper measuring instrument |
-
1992
- 1992-03-03 JP JP1992010388U patent/JP2545645Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0571971U (en) | 1993-09-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |