JP5756912B2 - Reflective photoelectric sensor and manufacturing method thereof - Google Patents

Reflective photoelectric sensor and manufacturing method thereof Download PDF

Info

Publication number
JP5756912B2
JP5756912B2 JP2010274128A JP2010274128A JP5756912B2 JP 5756912 B2 JP5756912 B2 JP 5756912B2 JP 2010274128 A JP2010274128 A JP 2010274128A JP 2010274128 A JP2010274128 A JP 2010274128A JP 5756912 B2 JP5756912 B2 JP 5756912B2
Authority
JP
Japan
Prior art keywords
lens
photoelectric sensor
light receiving
reflective photoelectric
light
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
Application number
JP2010274128A
Other languages
Japanese (ja)
Other versions
JP2012122858A (en
Inventor
真武 宇野
真武 宇野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2010274128A priority Critical patent/JP5756912B2/en
Priority to CN2011104015271A priority patent/CN102565802A/en
Publication of JP2012122858A publication Critical patent/JP2012122858A/en
Application granted granted Critical
Publication of JP5756912B2 publication Critical patent/JP5756912B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Light Receiving Elements (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Measurement Of Optical Distance (AREA)

Description

本発明は、反射型光電センサおよびその製造方法に係り、特に、発光素子と、この発光素子から前方に光を出射し、検出対象で反射した光を受光する受光素子とを備えた反射型光電センサに関する。   The present invention relates to a reflective photoelectric sensor and a method for manufacturing the same, and in particular, a reflective photoelectric sensor including a light emitting element and a light receiving element that emits light forward from the light emitting element and receives light reflected from a detection target. It relates to sensors.

図１８に従来の反射型光電センサの構成断面図を示す。従来の反射型光電センサは、投光レンズ１と、この投光レンズ１を介して前方に光を出射する発光素子３と、受光レンズ２と、この受光レンズ２を介して前方から入る光を受光する受光素子４と、これらの部品を実装している主回路部５を構成する基板を保持する構造体（センサボディ）６とを具備している。
発光素子３としては、電流を流すと発光するＬＥＤ素子などが用いられ、受光素子４としては受光面における入射光の位置に応じて出力が変化するＰＳＤ（位置検出素子）や２分割フォトダイオード（２分割ＰＤ）などである。７はフィルタ、８はカバーである。 FIG. 18 shows a cross-sectional view of a conventional reflective photoelectric sensor. A conventional reflective photoelectric sensor includes a light projecting lens 1, a light emitting element 3 that emits light forward through the light projecting lens 1, a light receiving lens 2, and light that enters from the front through the light receiving lens 2. It includes a light receiving element 4 that receives light and a structure (sensor body) 6 that holds a substrate that constitutes a main circuit unit 5 on which these components are mounted.
As the light emitting element 3, an LED element that emits light when an electric current flows is used, and as the light receiving element 4, a PSD (position detecting element) or a two-division photodiode (the output of which varies depending on the position of incident light on the light receiving surface) 2 division PD). 7 is a filter and 8 is a cover.

このような構成の反射型光電センサでは、三角測距の原理が用いられている。つまり、図１９に示すように、発光素子３から出射される赤外光などの光を投光レンズ１で集光し、前方の検出物体で反射し、この反射光を受光レンズ２で集光し、受光素子４で受光するものとすると、センサの検出距離は、三角形で示す形のＬａで表される。実際、発光素子３と受光素子４は基板上で所定の離間距離をもつように実装されて固定されている。
このため、投光レンズ１と受光レンズ２の離間距離が大きくなると、センサの検出距離Ｌａは大きくなる。一方、図２０に示すように投光レンズ１と受光レンズ２の離間距離が小さくなると、センサの検出距離Ｌａは小さくなる。このようにして投光レンズ１と受光レンズ２の離間距離を変えることによりセンサの有効検出距離を調整することができる。 In the reflective photoelectric sensor having such a configuration, the principle of triangulation is used. That is, as shown in FIG. 19, light such as infrared light emitted from the light emitting element 3 is condensed by the light projecting lens 1, reflected by the front detection object, and this reflected light is condensed by the light receiving lens 2. If the light receiving element 4 receives light, the detection distance of the sensor is represented by La having a shape indicated by a triangle. Actually, the light emitting element 3 and the light receiving element 4 are mounted and fixed so as to have a predetermined separation distance on the substrate.
For this reason, when the separation distance between the light projecting lens 1 and the light receiving lens 2 is increased, the detection distance La of the sensor is increased. On the other hand, as shown in FIG. 20, when the distance between the light projecting lens 1 and the light receiving lens 2 is reduced, the detection distance La of the sensor is reduced. Thus, the effective detection distance of the sensor can be adjusted by changing the separation distance between the light projecting lens 1 and the light receiving lens 2.

しかしながら、レンズが固定されていないとセンサの有効検出距離が変動することから、センサの検出距離を投光レンズ・受光レンズで調整した後に接着固定して、センサの検出距離が変動しないようにしている。そのため実使用時に周辺の障害物の影響によりセンサの検出距離を変更したい場合にも、変更することができない。このため、センサ設置場所の周辺の障害物に関する制約条件がでてくることになる。
そこで、センサの検出距離の変化にも対応できるように、レンズ位置を変更可能に構成した種々の反射型光電スイッチや、センサが提案されている（例えば特許文献１−６）。 However, since the effective detection distance of the sensor fluctuates if the lens is not fixed, the sensor detection distance is adjusted with the light projecting lens and the light receiving lens, and then bonded and fixed so that the sensor detection distance does not fluctuate. Yes. Therefore, even if it is desired to change the detection distance of the sensor due to the influence of surrounding obstacles during actual use, it cannot be changed. For this reason, the constraint condition regarding the obstacle around a sensor installation place comes out.
Therefore, various reflection type photoelectric switches and sensors that can change the lens position so as to cope with changes in the detection distance of the sensor have been proposed (for example, Patent Documents 1-6).

特許文献１では、光学系及び発光素子・受光素子の相対的な位置関係を変えて検知可能領域を変更するための調節手段を備えた反射型光電スイッチが提案されている。   Patent Document 1 proposes a reflective photoelectric switch including an adjusting unit for changing a detectable region by changing a relative positional relationship between an optical system and a light emitting element and a light receiving element.

特許文献２では、投光側ホルダまたは受光側ホルダのいずれかに回転伝達部材を設け、ばねの一端を本体ケースによって受け止め、回転伝達部材によってネジの回転を直線運動に変え、投光側ホルダまたは受光側ホルダのいずれかを変位させるように構成されている。   In Patent Document 2, a rotation transmission member is provided on either the light projecting side holder or the light receiving side holder, one end of the spring is received by the main body case, the rotation of the screw is changed to a linear motion by the rotation transmission member, and the light transmission side holder or Any one of the light receiving side holders is displaced.

また特許文献３乃至６についても、発光素子と受光素子との位置関係を調整するようにした支持構造が提案されている。   Patent Documents 3 to 6 also propose a support structure that adjusts the positional relationship between the light emitting element and the light receiving element.

特開昭６３−５５８２７号公報JP-A-63-55827 実開昭６３−１８７２３８号公報Japanese Utility Model Publication No. 63-187238 特許昭６２−０７０７０９号公報Japanese Patent Publication No. Sho 62-070709 特開昭６０−０８０７１０号公報JP 60-080710 A 特開昭５４−１６４２６７号公報JP 54-164267 A 特開平１０−０６２１６０号公報Japanese Patent Laid-Open No. 10-062160

特許文献１および２の例では、ネジの回転によってレンズ保持部材を移動させるものであり、移動に際してレンズの支持も十分でなくレンズの傾きや位置ずれを免れ得ないため、十分な検出範囲（検出距離）を確保するのが困難であるという問題があった。
また特許文献３乃至６の例においても、取扱が難しかったり、あるいは十分な検出距離の拡大を行うことができないなどという問題があった。
また、一旦距離を決定すると、レンズは固定するのが望ましい。レンズが固定されていないとセンサの検出距離が変動することから、各レンズを接着固定して、センサの検出距離が変動しないようにする必要がある。そこで図１８−２０に示す構造において、構造体６にレンズ１，２を固定する場合、構造体６に接着剤を塗布しレンズ１，２を固定する。このとき、図２１に示すように構造体６とレンズ１，２の接する部分だけでなく、レンズ面の受光領域Ａｒにも接着剤Ｐが付着しやすいという問題があった。このため、レンズを透過する光量の低下に伴うセンサ感度の低下、あるいは見栄えが低下するなどの問題があった。
このような接着剤の付着の問題は、レンズ間距離を現場で調整して固定する方式だけでなく、製造時に固定する方式においても同様であった。
本発明は前記実情に鑑みてなされたもので、レンズ面の受光領域への接着剤の流出を防止し、高感度で信頼性の高い反射型光電センサを提供することを目的とする。 In the examples of Patent Documents 1 and 2, the lens holding member is moved by the rotation of a screw, and the lens is not sufficiently supported during the movement, so that it is not possible to avoid the inclination and displacement of the lens. There was a problem that it was difficult to ensure the distance.
Also, in the examples of Patent Documents 3 to 6, there are problems that handling is difficult or sufficient detection distance cannot be expanded.
It is also desirable to fix the lens once the distance is determined. Since the detection distance of the sensor fluctuates if the lens is not fixed, it is necessary to bond and fix each lens so that the detection distance of the sensor does not fluctuate. Therefore, in the structure shown in FIGS. 18-20, when the lenses 1 and 2 are fixed to the structure 6, an adhesive is applied to the structure 6 and the lenses 1 and 2 are fixed. At this time, as shown in FIG. 21, there is a problem that the adhesive P easily adheres not only to the portion where the structure 6 and the lenses 1 and 2 are in contact but also to the light receiving area Ar of the lens surface. For this reason, there existed problems, such as a sensor sensitivity fall accompanying the fall of the light quantity which permeate | transmits a lens, or the appearance fell.
The problem of adhesion of such an adhesive was not only in the method of fixing by adjusting the distance between lenses on site, but also in the method of fixing at the time of manufacture.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a reflective photoelectric sensor with high sensitivity and high reliability that prevents the adhesive from flowing into the light receiving region of the lens surface.

そこで本発明は、発光素子と、前記発光素子前方に設けられた投光レンズと、前記発光素子からの光を受光する受光素子と、前記受光素子の前方に設けられた受光レンズと、前記受光素子からの出力信号に基づき、信号処理を行う主回路部と、前記投光レンズ及び前記受光レンズの少なくとも一方を固定する接続部を備えた構造体と、を具備した、反射型光電センサであって、前記構造体は、接着剤を前記接続部に供給する供給部と、前記供給部から供給された前記接着剤を前記接続部に導くガイド部とを具備したことを特徴とする。   Accordingly, the present invention provides a light emitting element, a light projecting lens provided in front of the light emitting element, a light receiving element that receives light from the light emitting element, a light receiving lens provided in front of the light receiving element, and the light receiving element. A reflective photoelectric sensor comprising: a main circuit portion that performs signal processing based on an output signal from an element; and a structure including a connection portion that fixes at least one of the light projecting lens and the light receiving lens. The structure includes a supply part that supplies an adhesive to the connection part, and a guide part that guides the adhesive supplied from the supply part to the connection part.

また本発明は、反射型光電センサにおいて、前記ガイド部または前記レンズの周縁部のいずれか一方が前記供給部に連通する凹溝を有するものを含む。   Further, the present invention includes a reflective photoelectric sensor in which either one of the guide portion or the peripheral portion of the lens has a concave groove communicating with the supply portion.

また本発明は、反射型光電センサにおいて、前記ガイド部は、前記供給部で鉛直方向の位置が最も高くなるように構成されたものを含む。   In the reflective photoelectric sensor according to the present invention, the guide unit may be configured such that the vertical position of the supply unit is the highest.

また本発明は、反射型光電センサにおいて、前記投光レンズ及び前記受光レンズは、いずれもその両側面にフランジ部を具備し、前記構造体は、前記フランジ部を挿通する溝部を具備し、前記ガイド部は、前記溝部に連通して装着されるとともに、前記供給部に連通し、前記フランジ部に沿うように形成された凹溝を有し、前記投光レンズ及び前記受光レンズが、前記フランジ部で前記構造体に前記接着剤で固定されたものを含む。   In the reflective photoelectric sensor according to the present invention, both the light projecting lens and the light receiving lens include flange portions on both side surfaces thereof, and the structure includes a groove portion through which the flange portion is inserted, The guide portion is mounted in communication with the groove portion and has a concave groove formed in communication with the supply portion and along the flange portion. The light projecting lens and the light receiving lens are connected to the flange portion. And a portion fixed to the structure with the adhesive.

また本発明は、反射型光電センサにおいて、前記凹溝は前記ガイド部の長手方向全体にわたり形成されたものを含む。   In the reflection type photoelectric sensor according to the present invention, the concave groove may be formed over the entire longitudinal direction of the guide portion.

また本発明は、反射型光電センサにおいて、前記凹溝は前記フランジ部との間に隙間を有するように、前記フランジ部よりも断面積が大きく構成されたものを含む。   The present invention also includes a reflective photoelectric sensor in which the concave groove has a larger cross-sectional area than the flange portion so as to have a gap between the concave portion and the flange portion.

また本発明は、反射型光電センサにおいて、前記凹溝は前記供給部から離間するに従い、深さが深く構成されたものを含む。   Further, the present invention includes a reflective photoelectric sensor in which the concave groove is configured to have a deeper depth as it is separated from the supply unit.

また本発明は、反射型光電センサにおいて、前記溝部は前記凹溝を兼ねるように、前記供給部に連通して、前記フランジ部を挿通する位置に配設されたものを含む。   Further, the present invention includes a reflective photoelectric sensor, wherein the groove portion is connected to the supply portion so as to serve also as the concave groove, and is disposed at a position where the flange portion is inserted.

また本発明の反射型光電センサの製造方法は、接着剤を前記接続部に供給する供給部と、前記供給部から供給された前記接着剤を前記接続部に導くガイド部とを具備した構造体に前記投光レンズ及び前記受光レンズの少なくとも一方を装着する工程と、前記供給部から接着剤を充填し、前記接着剤を硬化させることで前記構造体に前記投光レンズ及び前記受光レンズの少なくとも一方を固着する工程とを含むことを特徴とする。   Moreover, the manufacturing method of the reflective photoelectric sensor of the present invention includes a supply part that supplies an adhesive to the connection part, and a guide part that guides the adhesive supplied from the supply part to the connection part. Attaching at least one of the light projecting lens and the light receiving lens to the structure, filling the adhesive from the supply unit, and curing the adhesive, thereby causing the structure to have at least the light projecting lens and the light receiving lens. And a step of fixing one of them.

この構成によれば、構造体が、接着剤を接続部に供給する供給部と、供給部から供給された接着剤を接続部に導くガイド部とを具備しているため、接着剤の流出により、レンズ面の受光領域に接着剤が付着するのを防ぎ、レンズを透過する光量の低下に伴うセンサ感度の低下、あるいは見栄えの低下を抑制することができる。   According to this configuration, the structure includes the supply unit that supplies the adhesive to the connection unit, and the guide unit that guides the adhesive supplied from the supply unit to the connection unit. Thus, it is possible to prevent the adhesive from adhering to the light receiving region of the lens surface, and to suppress a decrease in sensor sensitivity or a decrease in appearance due to a decrease in the amount of light transmitted through the lens.

本発明の実施の形態１の反射型光電センサを示す図であり、（ａ）は上面図、（ｂ）は側面図It is a figure which shows the reflective photoelectric sensor of Embodiment 1 of this invention, (a) is a top view, (b) is a side view. 本発明の実施の形態１の反射型光電センサのレンズ装着前の構造体を示す図であり、（ａ）は上面図、（ｂ）は側面図It is a figure which shows the structure before the lens mounting | wearing of the reflective photoelectric sensor of Embodiment 1 of this invention, (a) is a top view, (b) is a side view. 本発明の実施の形態１の反射型光電センサにおける接着剤用の供給部およびガイド部と接着剤の流れを示す説明図Explanatory drawing which shows the supply part and guide part for adhesive agents, and the flow of an adhesive agent in the reflective photoelectric sensor of Embodiment 1 of this invention 本発明の実施の形態１の反射型光電センサの分解斜視図1 is an exploded perspective view of a reflective photoelectric sensor according to Embodiment 1 of the present invention. 本発明の実施の形態１の反射型光電センサの要部断面図、（ａ）は図４のｐ−ｐ断面、（ｂ）は図４のｑ−ｑ断面を示すSectional drawing of the principal part of the reflection type photoelectric sensor of Embodiment 1 of this invention, (a) shows the pp cross section of FIG. 4, (b) shows the qq cross section of FIG. 本発明の実施の形態１の反射型光電センサの検出距離を示す説明図Explanatory drawing which shows the detection distance of the reflection type photoelectric sensor of Embodiment 1 of this invention. 本発明の実施の形態１の反射型光電センサの検出距離を示す説明図Explanatory drawing which shows the detection distance of the reflection type photoelectric sensor of Embodiment 1 of this invention. 接続部Ｂの要部拡大図Enlarged view of the main part of connection B 接続部Ｂの変形例を示す要部拡大図The principal part enlarged view which shows the modification of the connection part B 本発明の実施の形態２の反射型光電センサの要部拡大断面図The principal part expanded sectional view of the reflective photoelectric sensor of Embodiment 2 of this invention. 本発明の実施の形態３の反射型光電センサの要部拡大断面図The principal part expanded sectional view of the reflection type photoelectric sensor of Embodiment 3 of this invention. 本発明の実施の形態４の反射型光電センサのレンズ装着前の構造体を示す図であり、（ａ）は上面図、（ｂ）は側面図It is a figure which shows the structure before the lens mounting | wearing of the reflective photoelectric sensor of Embodiment 4 of this invention, (a) is a top view, (b) is a side view. 本発明の実施の形態４の反射型光電センサにおける接着剤用の供給部およびガイド部と接着剤の流れを示す説明図Explanatory drawing which shows the supply part and guide part for adhesive agents, and the flow of an adhesive agent in the reflective photoelectric sensor of Embodiment 4 of this invention 本発明の実施の形態４の反射型光電センサの要部拡大断面図The principal part expanded sectional view of the reflection type photoelectric sensor of Embodiment 4 of this invention. 本発明の実施の形態４の反射型光電センサのレンズ装着前の構造体の変形例を示す図The figure which shows the modification of the structure before the lens mounting | wearing of the reflection type photoelectric sensor of Embodiment 4 of this invention. 本発明の実施の形態５の反射型光電センサのレンズ装着前の構造体を示す図であり、（ａ）は上面図、（ｂ）は側面図It is a figure which shows the structure before the lens mounting | wearing of the reflective photoelectric sensor of Embodiment 5 of this invention, (a) is a top view, (b) is a side view. 本発明の実施の形態５の反射型光電センサにおける接着剤用の供給部１１およびガイド部と接着剤の流れを示す説明図Explanatory drawing which shows the supply part 11 and guide part for adhesives, and the flow of an adhesive agent in the reflective photoelectric sensor of Embodiment 5 of this invention 従来例の反射型光電センサの断面図Sectional view of a conventional reflective photoelectric sensor 従来例の反射型光電センサの断面図Sectional view of a conventional reflective photoelectric sensor 従来例の反射型光電センサの断面図Sectional view of a conventional reflective photoelectric sensor 従来例の反射型光電センサの断面図Sectional view of a conventional reflective photoelectric sensor

以下、本発明の実施の形態に係る反射型光電センサについて、図面を参照しつつ詳細に説明する。   Hereinafter, a reflective photoelectric sensor according to an embodiment of the present invention will be described in detail with reference to the drawings.

（実施の形態１）
図１（ａ）および（ｂ）は本発明の実施の形態１の反射型光電センサの上面図及び側面図である。図２（ａ）および（ｂ）は本発明の実施の形態１の反射型光電センサのレンズ装着前の構造体の上面図及び側面図である。図３は本発明の実施の形態１の反射型光電センサにおける接着剤用の供給部１１およびガイド部と接着剤の流れを示す説明図である。図３は図２のＡ−Ａ断面図である。図４および図５に、本発明の実施の形態１の反射型光電センサの分解斜視図および要部断面図を示す。図５（ａ）は図４のｐ−ｐ断面、図５（ｂ）は図４のｑ−ｑ断面を示す。図６および７に本発明の実施の形態１の反射型光電センサの検出距離の調整原理を示す。図８に接続部Ｂの要部拡大図を示す。
この反射型光電センサにおいては、投光レンズ１及び受光レンズ２をポリカーボネート製の構造体６に並置している。そして構造体６が、接着剤を接続部Ｂに供給する供給部１１と、この供給部から供給された接着剤を接続部Ｂに導くガイド部６ｇとを具備したことを特徴とする。このガイド部６ｇは投光レンズ１及び受光レンズ２の周縁部のフランジ部（１ａ、）２ａを相通する位置決め用の溝部を兼ねた凹溝を構成しており、供給部１１に連通する凹溝を構成しており、この凹溝に接着剤が流れ込むように構成されている。 (Embodiment 1)
1A and 1B are a top view and a side view of a reflective photoelectric sensor according to Embodiment 1 of the present invention. 2A and 2B are a top view and a side view of the structure of the reflective photoelectric sensor according to Embodiment 1 of the present invention before the lens is mounted. FIG. 3 is an explanatory diagram showing the flow of the adhesive supply section 11 and the guide section and the adhesive in the reflective photoelectric sensor according to Embodiment 1 of the present invention. 3 is a cross-sectional view taken along the line AA in FIG. 4 and 5 are an exploded perspective view and a cross-sectional view of the main part of the reflective photoelectric sensor according to Embodiment 1 of the present invention. 5A shows a pp cross section of FIG. 4, and FIG. 5B shows a qq cross section of FIG. 6 and 7 show the principle of adjusting the detection distance of the reflective photoelectric sensor according to the first embodiment of the present invention. FIG. 8 shows an enlarged view of the main part of the connection part B.
In this reflective photoelectric sensor, the light projecting lens 1 and the light receiving lens 2 are juxtaposed on a polycarbonate structure 6. The structure 6 includes a supply unit 11 that supplies an adhesive to the connection portion B and a guide portion 6g that guides the adhesive supplied from the supply unit to the connection portion B. The guide portion 6g forms a concave groove that also serves as a positioning groove portion that communicates with the flange portions (1a, 2a) at the peripheral portions of the light projecting lens 1 and the light receiving lens 2, and is a concave groove that communicates with the supply portion 11. It is comprised so that an adhesive may flow into this concave groove.

このガイド部６ｇは構造体６の相対向する位置に互いに平行となるように形成され、フランジ部（１ａ、）２ａの位置決めを行うための溝部を兼ねている。
そして、投光レンズ１と受光レンズ２は、このガイド部６ｇとしての溝部に沿って、挿入される。そして、投光レンズ１と受光レンズ２との距離が調整され、センサの検出距離を調整した状態で接着剤で固定される。 The guide portion 6g is formed to be parallel to each other at opposite positions of the structure 6, and also serves as a groove portion for positioning the flange portions (1a, 2a).
The light projecting lens 1 and the light receiving lens 2 are inserted along the groove portion as the guide portion 6g. Then, the distance between the light projecting lens 1 and the light receiving lens 2 is adjusted, and is fixed with an adhesive in a state where the detection distance of the sensor is adjusted.

一方この投光レンズ１及び受光レンズ２は、いずれもその両側面にフランジ部１ａ，２ａを具備している。そしてこのガイド部６ｇにこのフランジ部１ａ，２ａを挿通することで、回転することなく、平行な姿勢角と位置とを保持されている。なお、投光レンズ及び受光レンズは、このガイド部６ｇに沿って、受光レンズ２を基線長方向に変位可能とすることで、距離が調整され、センサの検出可能距離を調整した状態で接着剤で固定する。   On the other hand, both the light projecting lens 1 and the light receiving lens 2 have flange portions 1a and 2a on both side surfaces thereof. By inserting the flange portions 1a and 2a through the guide portion 6g, the parallel posture angle and position are maintained without rotating. The light projecting lens and the light receiving lens can be displaced along the guide portion 6g by moving the light receiving lens 2 in the base line length direction, and the adhesive is adjusted in a state where the sensor detectable distance is adjusted. Secure with.

そして、投光レンズ１の後方には赤外線発光素子からなる発光素子３が設けられている。又受光レンズ２の後方には発光素子３からの光を受光する受光素子４が設けられている。
又発光素子３と、受光素子４からの出力信号に基づき信号処理を行う主回路部５とが同一の回路基板上に実装され、基板ブロックを構成している。 A light emitting element 3 composed of an infrared light emitting element is provided behind the light projecting lens 1. A light receiving element 4 that receives light from the light emitting element 3 is provided behind the light receiving lens 2.
The light emitting element 3 and the main circuit unit 5 that performs signal processing based on the output signal from the light receiving element 4 are mounted on the same circuit board to constitute a board block.

主回路部５は、受光素子４からの出力信号から三角測距方式に従った測距結果により前方に障害物の有無を判断するもので、回路基板に実装され基板ブロックを構成する。
さらに、センサ表面には赤外光を透過するフィルタ７が設けられ、センサの裏面にはセンサ裏面を覆うカバー８が形成されている。 The main circuit unit 5 determines whether or not there is an obstacle ahead from the output signal from the light receiving element 4 based on the distance measurement result according to the triangular distance measurement method, and is mounted on the circuit board to constitute a board block.
Further, a filter 7 that transmits infrared light is provided on the sensor surface, and a cover 8 that covers the sensor back surface is formed on the sensor back surface.

そして、位置決め後、供給部（供給口）１１から接着剤Ｐが充填され、ガイド部６ｇを通って所望の領域に充填されて、投光レンズ１及び受光レンズ２が構造体６に固着される。   Then, after positioning, the adhesive P is filled from the supply part (supply port) 11, filled in a desired region through the guide part 6 g, and the light projecting lens 1 and the light receiving lens 2 are fixed to the structure 6. .

このようにして、構造体６に設けられたガイド部６ｇに沿って、投光レンズ１及び受光レンズ２のフランジ部１ａ、２ａが移動でき、位置決め後接着剤Ｐで固定されるため、各レンズはそのガイド部６ｇに入って、各レンズが構造体６内を基線長方向に移動し姿勢角を維持しつつ位置決めがなされる。そして接着剤はガイド部６ｇの存在により、レンズの受光領域となる領域である有効領域に流れだすことなく、接着部であるガイド部内壁に供給される。   In this way, the flange portions 1a and 2a of the light projecting lens 1 and the light receiving lens 2 can move along the guide portion 6g provided in the structure 6, and are fixed by the adhesive P after positioning. Enters the guide portion 6g, and each lens moves in the base body length direction in the structure 6 and is positioned while maintaining the posture angle. Then, due to the presence of the guide portion 6g, the adhesive is supplied to the inner wall of the guide portion, which is an adhesive portion, without flowing into the effective region, which is the light receiving region of the lens.

例えば受光レンズ２が図６に示す位置にある時、検出可能距離すなわちセンサのフィルタ７から検出対象までの検出可能距離がＬａとなっているものとする。
このとき、図７に示すように受光レンズ２が方向Ａに移動せしめられた時、検出可能距離すなわちセンサのフィルタ７から検出対象までの検出可能距離がＬｂとなる。これにより、このセンサの有効検出可能距離ＬはＬａ＞Ｌ＞Ｌｂとなる。 For example, when the light receiving lens 2 is at the position shown in FIG. 6, it is assumed that the detectable distance, that is, the detectable distance from the sensor filter 7 to the detection target is La.
At this time, when the light receiving lens 2 is moved in the direction A as shown in FIG. 7, the detectable distance, that is, the detectable distance from the filter 7 of the sensor to the detection target is Lb. Thereby, the effective detectable distance L of this sensor becomes La>L> Lb.

このように、受光レンズは構造体内部をガイド部６ｇに沿って移動し、所望の位置で供給部１１から接着剤Ｐを供給すると接着剤Ｐの流動性によりガイド部６ｇに沿って流動し、硬化することで、投光レンズ１と受光レンズ２の離間距離が決定される。このようにして、検出距離を微調整することができ、高精度の検出が可能となる。   In this way, the light receiving lens moves along the guide portion 6g in the structure, and when the adhesive P is supplied from the supply portion 11 at a desired position, the light receiving lens flows along the guide portion 6g due to the fluidity of the adhesive P. By curing, the distance between the light projecting lens 1 and the light receiving lens 2 is determined. In this way, the detection distance can be finely adjusted, and highly accurate detection is possible.

また、構造体６に設けられたガイド部６ｇに沿って、投光レンズ１及び受光レンズ２のフランジ部１ａ、２ａが移動して、発光素子３及び受光素子４に対する姿勢角が良好に維持され、高精度の検出が可能となる。このように、ガイド部６ｇでフランジ部１ａ、２ａの姿勢角が維持されているため、構造体６に発光素子３および受光素子４に対する姿勢角を維持することができる。   Further, the flange portions 1 a and 2 a of the light projecting lens 1 and the light receiving lens 2 move along the guide portion 6 g provided in the structure 6, so that the posture angle with respect to the light emitting element 3 and the light receiving element 4 is favorably maintained. Highly accurate detection is possible. Thus, since the posture angle of the flange portions 1a and 2a is maintained by the guide portion 6g, the structure body 6 can maintain the posture angle with respect to the light emitting element 3 and the light receiving element 4.

なお、前記実施の形態１では、図８に示すように、ガイド部６ｇ自体が供給部１１に連通する凹溝を構成しており、凹溝に接着剤が流れ込むように構成したが、図９に変形例の要部拡大図を示すように、レンズの周縁部例えばフランジ部（１ａ）２ａに供給部に連通する凹溝１２をガイド部６ｇに連通するように別途設け、この凹溝１２に接着剤Ｐが流れ込むように構成してもよい。この構成によれば、より確実に接着剤のはみ出しを抑制することができる。   In the first embodiment, as shown in FIG. 8, the guide portion 6g itself forms a concave groove that communicates with the supply portion 11, and the adhesive flows into the concave groove. As shown in the enlarged view of the main part of the modification, a concave groove 12 communicating with the supply portion is provided separately to the peripheral portion of the lens, for example, the flange portion (1a) 2a so as to communicate with the guide portion 6g. You may comprise so that the adhesive agent P may flow. According to this configuration, it is possible to more reliably prevent the adhesive from protruding.

この凹溝１２については、供給部１１から次第に深くなるテーパ面を構成してもよい。また途中でフラット面があったり、次第に浅くなるテーパ面があったりしてもよい。また、テーパ面に代えて段差が存在していてもよい。   About this ditch | groove 12, you may comprise the taper surface which becomes deep gradually from the supply part 11. FIG. Further, there may be a flat surface in the middle or a tapered surface that becomes gradually shallower. Further, a step may be present instead of the tapered surface.

またレンズの形状については前記実施の形態に限定されるものではなく、フランジ部無しに形成されているものもあり、適宜変更可能である。   Further, the shape of the lens is not limited to the embodiment described above, and some lenses are formed without a flange portion, and can be appropriately changed.

（実施の形態２）
次に本発明の実施の形態２について説明する。
図１０は、本発明の実施の形態２の反射型光電センサを示す要部拡大断面図である。この例では、凹溝を構成するガイド部６ｇはフランジ部（１ａ、）２ａとの間に隙間Ｃを有するように、フランジ部（１ａ、）２ａよりも断面積が大きくなるように構成されている。つまり本来の位置決めを行うための溝部よりもガイド部６ｇの断面積を大きくし、隙間Ｃを形成するものである。
他部については前記実施の形態１と同様であるため、説明は省略する。
この構成により、ガイド部６ｇとフランジ部（１ａ、）２ａとの間だけでなくこの隙間Ｃに接着剤が入り込み、より接合強度を高めるとともに、接着剤の有効領域への流れ込みを防ぐことが可能となる。 (Embodiment 2)
Next, a second embodiment of the present invention will be described.
FIG. 10 is an enlarged cross-sectional view showing a main part of the reflective photoelectric sensor according to the second embodiment of the present invention. In this example, the guide portion 6g constituting the concave groove is configured to have a larger cross-sectional area than the flange portion (1a, 2a) so as to have a gap C between the flange portion (1a,) 2a. Yes. That is, the gap C is formed by making the cross-sectional area of the guide portion 6g larger than the groove portion for the original positioning.
Since other parts are the same as those in the first embodiment, description thereof is omitted.
With this configuration, the adhesive enters not only between the guide portion 6g and the flange portion (1a, 2a) but also into the gap C, thereby further increasing the bonding strength and preventing the adhesive from flowing into the effective region. It becomes.

（実施の形態３）
次に本発明の実施の形態３について説明する。
図１１は、本発明の実施の形態３の反射型光電センサを示す要部拡大断面図である。この図は前記実施の形態１では図２に相当する。本実施の形態では、ガイド部６ｇは、供給部１１で鉛直方向の位置が最も高く、供給部１１から離間するに従い低くなるように構成されている。またこのときガイド部６ｇはフランジ部の幅よりも狭い部分をもつように形成することで、フランジ部の位置は水平に維持され、ガイド部６ｇの底部のみが傾斜するように構成されているため、接着剤Ｐはガイド部６ｇを伝わってＲ方向に効率よく流れるように構成される。他部については前記実施の形態１と同様であるため、説明は省略する。 (Embodiment 3)
Next, a third embodiment of the present invention will be described.
FIG. 11 is an enlarged cross-sectional view showing a main part of a reflective photoelectric sensor according to Embodiment 3 of the present invention. This figure corresponds to FIG. 2 in the first embodiment. In the present embodiment, the guide portion 6g is configured to have the highest position in the vertical direction in the supply unit 11 and to become lower as the distance from the supply unit 11 increases. At this time, the guide portion 6g is formed so as to have a portion narrower than the width of the flange portion, so that the position of the flange portion is maintained horizontally, and only the bottom portion of the guide portion 6g is inclined. The adhesive P is configured to efficiently flow in the R direction along the guide portion 6g. Since other parts are the same as those in the first embodiment, description thereof is omitted.

この構成によれば、ガイド部６gを構成する凹溝の深さが、供給部１１から次第に深くなるテーパ面を構成しているため、Ｒ方向に自然に接着剤Ｐが流れ、ガイド部６ｇを伝わって接続部に浸透するため、よどみなく流れ、はみ出しもなく効率よく構造体６に接合することが可能となる。   According to this configuration, since the depth of the concave groove constituting the guide portion 6g forms a tapered surface that gradually increases from the supply portion 11, the adhesive P flows naturally in the R direction, and the guide portion 6g Since it is transmitted and penetrates into the connecting portion, it can flow without stagnation and can be efficiently joined to the structure 6 without protruding.

なお、前記実施の形態３では、ガイド部を構成する凹溝の深さが、供給部１１から次第に深くなるテーパ面を構成したが、途中でフラット面があったり、次第に浅くなるテーパ面があったりしてもよい。また、テーパ面に代えて段差が存在していてもよい。   In the third embodiment, the depth of the groove forming the guide portion is a tapered surface that gradually increases from the supply portion 11, but there is a flat surface in the middle or a tapered surface that gradually becomes shallower. Or you may. Further, a step may be present instead of the tapered surface.

（実施の形態４）
次に本発明の実施の形態４について説明する。図１２（ａ）および（ｂ）は本発明の実施の形態４の反射型光電センサのレンズ装着前の構造体の上面図及び側面図である。図１３は本発明の実施の形態４の反射型光電センサにおける接着剤用の供給部１１およびガイド部６ｇと接着剤の流れを示す説明図である。図１３は図１２のＡ−Ａ断面図である。図１４は供給部１１及びガイド部６ｇの要部拡大断面図である。
本実施の形態の反射型光電センサは、ガイド部６ｇの周縁部に供給部１１に連通する凹溝を形成し凹溝に接着剤が流れ込むように構成したことを特徴とするものである。本実施の形態ではガイド部６ｇの底面に底面凹溝１３を有している。
この構成によれば、供給部１１からガイド部６ｇに接着剤Ｐが供給されるが、ガイド部６ｇ上および底面凹溝１３を伝って矢印Ｓの方向に接着剤が流れていく。レンズのフランジ部の位置に到達するとガイド部６ｇとレンズの間だけでなく底面凹溝１３にも必ず接着剤は流れ込む。このため、底面凹溝１３がない場合に比べより確実に接着剤が流れ込み、接着剤の受光領域へのはみ出しを抑制することができかつ接着安定性が増す。そしてさらにこの構成に加え、前記実施の形態１の変形例で示したように、レンズとガイド部の間に隙間を設けてさらにこの底面凹溝１３を形成してもよく、この場合もより接着強度が増大する。 (Embodiment 4)
Next, a fourth embodiment of the present invention will be described. FIGS. 12A and 12B are a top view and a side view of the structure of the reflective photoelectric sensor according to the fourth embodiment of the present invention before the lens is mounted. FIG. 13 is an explanatory diagram showing the flow of adhesive and the adhesive supply section 11 and guide section 6g in the reflective photoelectric sensor according to Embodiment 4 of the present invention. 13 is a cross-sectional view taken along line AA in FIG. FIG. 14 is an enlarged cross-sectional view of a main part of the supply unit 11 and the guide unit 6g.
The reflective photoelectric sensor of the present embodiment is characterized in that a concave groove communicating with the supply section 11 is formed at the peripheral edge of the guide section 6g, and an adhesive flows into the concave groove. In the present embodiment, the bottom groove 13 is provided on the bottom surface of the guide portion 6g.
According to this configuration, the adhesive P is supplied from the supply part 11 to the guide part 6g, but the adhesive flows in the direction of the arrow S on the guide part 6g and along the bottom groove 13. When reaching the position of the flange portion of the lens, the adhesive always flows into the bottom groove 13 as well as between the guide portion 6g and the lens. For this reason, compared with the case where the bottom groove 13 is not provided, the adhesive flows more reliably, the protrusion of the adhesive to the light receiving region can be suppressed, and the adhesion stability is increased. Further, in addition to this configuration, as shown in the modified example of the first embodiment, a gap may be provided between the lens and the guide portion to further form the bottom groove 13. Strength increases.

さらにまた、図１５に変形例を示すように、ガイド部とレンズとの間に隙間Ｃを設け、この隙間Ｃにも接着剤が充填されるようにしてもよい。この例ではガイド部６ｇを構成する凹溝はフランジ部との間に隙間を有するように、フランジ部よりも断面積が大きくなるように構成される。   Furthermore, as shown in FIG. 15, a gap C may be provided between the guide portion and the lens, and the gap C may be filled with an adhesive. In this example, the concave groove constituting the guide portion 6g is configured to have a larger cross-sectional area than the flange portion so as to have a gap between the groove portion and the flange portion.

（実施の形態５）
次に本発明の実施の形態５について説明する。図１６（ａ）および（ｂ）は本発明の実施の形態５の反射型光電センサのレンズ装着前の構造体の上面図及び側面図である。図１７は本発明の実施の形態５の反射型光電センサにおける接着剤用の供給部１１およびガイド部６ｇと接着剤の流れを示す説明図である。図１７は図１６のＡ−Ａ断面図である。
本実施の形態の反射型光電センサは、上記実施の形態４の反射型光電センサの構成に加え、ガイド部６ｇを構成する凹溝の底面を供給部から離れるに従って深くなるように構成したことを特徴とするものである。他は前記実施の形態４と同様であり、ガイド部６ｇの周縁部に供給部１１に連通する凹溝すなわち底面凹溝１３を形成しこの底面凹溝１３に接着剤が流れ込むように構成される。本実施の形態ではガイド部６ｇの底面に底面凹溝１３を有している。 (Embodiment 5)
Next, a fifth embodiment of the present invention will be described. 16 (a) and 16 (b) are a top view and a side view of the structure of the reflective photoelectric sensor according to Embodiment 5 of the present invention before the lens is mounted. FIG. 17 is an explanatory diagram showing the flow of adhesive and the adhesive supply section 11 and guide section 6g in the reflective photoelectric sensor according to Embodiment 5 of the present invention. 17 is a cross-sectional view taken along the line AA in FIG.
In addition to the configuration of the reflection type photoelectric sensor of the fourth embodiment, the reflection type photoelectric sensor of the present embodiment is configured such that the bottom surface of the concave groove forming the guide portion 6g becomes deeper as the distance from the supply portion increases. It is a feature. Others are the same as those in the fourth embodiment, and a concave groove communicating with the supply section 11, that is, a bottom concave groove 13 is formed in the peripheral edge portion of the guide portion 6g, and the adhesive flows into the bottom concave groove 13. . In the present embodiment, the bottom groove 13 is provided on the bottom surface of the guide portion 6g.

この構成によれば、供給部１１からガイド部６ｇに接着剤Ｐが供給されるが、ガイド部６ｇを構成する凹溝のテーパ面および底面凹溝１３を伝って矢印Ｔの方向に接着剤が流れていく。レンズのフランジ部の位置に到達するとガイド部６ｇとレンズの間だけでなく底面凹溝１３にも必ず接着剤は流れ込む。このため、底面凹溝１３がない場合に比べより確実に接着剤が流れ込み受光領域へのはみ出しを抑制することができかつ接着安定性が増す。そしてさらにこの構成に加え、前記実施の形態１の変形例で示したように、レンズとガイド部の間に隙間を設けてさらにこの底面凹溝１３を形成してもよく、この場合もより接着強度が増大する。   According to this configuration, the adhesive P is supplied from the supply unit 11 to the guide unit 6g, but the adhesive is transmitted in the direction of the arrow T along the tapered surface of the concave groove and the bottom concave groove 13 constituting the guide unit 6g. It flows. When reaching the position of the flange portion of the lens, the adhesive always flows into the bottom groove 13 as well as between the guide portion 6g and the lens. For this reason, compared with the case where the bottom groove 13 is not provided, the adhesive flows more reliably, and the protrusion to the light receiving region can be suppressed and the adhesion stability is increased. Further, in addition to this configuration, as shown in the modified example of the first embodiment, a gap may be provided between the lens and the guide portion to further form the bottom groove 13. Strength increases.

以上説明してきた実施の形態１乃至５では、凹溝はフランジ部１ａ、２ａの長手方向全体にわたって形成したが、一部でも良い。また、この凹溝はフランジの長手方向で複数個所にわたって形成されていても良い。ガイド部の断面積を、供給部から離間するに従って次第に大きくなるようにすることでより効率よく接着剤が充填される。   In Embodiment 1 thru | or 5 demonstrated above, although the ditch | groove was formed over the whole longitudinal direction of the flange parts 1a and 2a, a part may be sufficient. Moreover, this concave groove may be formed over several places in the longitudinal direction of the flange. The adhesive is more efficiently filled by increasing the cross-sectional area of the guide portion as the distance from the supply portion increases.

なお、前記実施の形態では、発光素子としては赤外発光素子を用いたが、これに限定されることなく、紫外光源、可視光源など所望の光源を用いることは可能である。赤外発光素子を用いることにより、ＬＥＤ光源、蛍光灯光源など、照明用光源に影響を与えることなく、検出可能である。   In the above embodiment, an infrared light emitting element is used as the light emitting element. However, the present invention is not limited to this, and a desired light source such as an ultraviolet light source or a visible light source can be used. By using an infrared light emitting element, detection is possible without affecting an illumination light source such as an LED light source or a fluorescent light source.

１ 投光レンズ
２ 受光レンズ
１ａ，２ａ フランジ部
３ 発光素子
４ 受光素子
５ 主回路部
６ 構造体
６ｇ ガイド部
７ フィルタ
８ カバー
１２ 凹溝
１３ 底面凹溝
Ｐ 接着剤
Ｂ 接続部 DESCRIPTION OF SYMBOLS 1 Light projection lens 2 Light reception lens 1a, 2a Flange part 3 Light emitting element 4 Light receiving element 5 Main circuit part 6 Structure 6g Guide part 7 Filter 8 Cover 12 Groove 13 Bottom groove P Adhesive B Connection part

Claims (7)

発光素子と、
前記発光素子前方に設けられた投光レンズと、
前記発光素子からの光を受光する受光素子と、
前記受光素子の前方に設けられた受光レンズと、
前記受光素子からの出力信号に基づき、信号処理を行う主回路部と、
前記投光レンズ及び前記受光レンズのうち少なくとも一方のレンズを固定する構造体と、を具備した、反射型光電センサであって、
前記発光素子と前記投光レンズとを結ぶ方向を鉛直方向としたとき、
前記構造体は、接着剤を供給する供給部と、前記供給部から供給された前記接着剤を導き前記投光レンズ及び前記受光レンズのうち少なくとも一方のレンズを固定するガイド部とを具備し、
前記ガイド部は、前記発光素子からの前記鉛直方向の距離が、前記供給部と接続される部分で最も長くなるように構成された反射型光電センサ。 A light emitting element;
A light projecting lens provided in front of the light emitting element;
A light receiving element for receiving light from the light emitting element;
A light receiving lens provided in front of the light receiving element;
A main circuit unit that performs signal processing based on an output signal from the light receiving element;
Equipped with a, and structural member to affix at least one lens of the projection lens and the light receiving lens, a reflection type photoelectric sensor,
When the direction connecting the light emitting element and the projection lens is a vertical direction,
The structure comprises a supply unit for supplying test an adhesive, and a guide portion for securing at least one lens of the projection lens and the light receiving lens guides the adhesive supplied from the supply unit ,
The guide unit is a reflective photoelectric sensor configured such that a distance in the vertical direction from the light emitting element is longest at a portion connected to the supply unit . 請求項１に記載の反射型光電センサであって、
前記ガイド部の前記鉛直方向の底面または前記レンズの周縁部に、前記供給部に連通する凹溝を有する反射型光電センサ。 The reflective photoelectric sensor according to claim 1,
A reflective photoelectric sensor having a concave groove communicating with the supply unit on a bottom surface of the guide unit in the vertical direction or a peripheral part of the lens. 請求項１に記載の反射型光電センサであって、
前記投光レンズ及び前記受光レンズは、いずれもその両側面にフランジ部を具備し、
前記ガイド部は、前記供給部に連通し、前記フランジ部に沿うように形成された凹溝を有し、
前記投光レンズ及び前記受光レンズが、前記フランジ部で前記構造体に前記接着剤で固定された反射型光電センサ。 The reflective photoelectric sensor according to claim 1,
Each of the light projecting lens and the light receiving lens includes flange portions on both side surfaces thereof.
The guide portion is communicated before Symbol supply unit has a formed concave groove along the flange portion,
A reflective photoelectric sensor in which the light projecting lens and the light receiving lens are fixed to the structure by the flange at the flange portion. 請求項３に記載の反射型光電センサであって、
前記凹溝は前記ガイド部の鉛直方向の底面全体にわたり形成された反射型光電センサ。 The reflective photoelectric sensor according to claim 3 ,
The concave groove is a reflective photoelectric sensor formed over the entire bottom surface of the guide portion in the vertical direction . 請求項４に記載の反射型光電センサであって、
前記凹溝は対向するように前記構造体に一対設けられ、
前記投光レンズ及び前記受光レンズは一対の前記凹溝に挿通されるように一対のフランジ部を有し、
前記投光レンズまたは前記受光レンズの一対の前記フランジ部の間の距離が、一対の前記凹溝の間の距離よりも短い反射型光電センサ。 The reflective photoelectric sensor according to claim 4 ,
A pair of the concave grooves are provided in the structure so as to face each other,
The light projecting lens and the light receiving lens have a pair of flange portions so as to be inserted into the pair of concave grooves,
A reflective photoelectric sensor in which a distance between the pair of flange portions of the light projecting lens or the light receiving lens is shorter than a distance between the pair of concave grooves . 請求項５に記載の反射型光電センサであって、
前記凹溝は前記供給部から離間するに従い、深さが深く構成された反射型光電センサ。 The reflective photoelectric sensor according to claim 5 ,
The reflective photoelectric sensor is configured such that the depth of the concave groove increases as the distance from the supply unit increases. 請求項１乃至６のいずれか１項に記載の反射型光電センサの製造方法であって、
接着剤を供給する供給部と、前記供給部から供給された前記接着剤を導き前記投光レンズ及び前記受光レンズのうち少なくとも一方のレンズを固定するガイド部とを具備した構造体に、
投光レンズまたは受光レンズのすくなくとも一方を装着する工程と、
前記供給部から接着剤を充填し、前記接着剤を硬化させることで前記構造体に前記投光レンズ及び前記受光レンズの少なくとも一方を固着する工程とを含む反射型光電センサの製造方法。 It is a manufacturing method of the reflection type photoelectric sensor of any one of Claims 1 thru | or 6 , Comprising:
A supply unit for supplying test adhesive, the structure comprising a guide portion for securing at least one lens of the projection lens and the light receiving lens guides the adhesive supplied from the supply unit,
Attaching at least one of the light projecting lens or the light receiving lens;
A method of manufacturing a reflective photoelectric sensor, comprising: filling an adhesive from the supply unit and curing the adhesive to fix at least one of the light projecting lens and the light receiving lens to the structure.
JP2010274128A 2010-12-08 2010-12-08 Reflective photoelectric sensor and manufacturing method thereof Expired - Fee Related JP5756912B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010274128A JP5756912B2 (en) 2010-12-08 2010-12-08 Reflective photoelectric sensor and manufacturing method thereof
CN2011104015271A CN102565802A (en) 2010-12-08 2011-12-06 Reflection-type photoelectric sensor and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010274128A JP5756912B2 (en) 2010-12-08 2010-12-08 Reflective photoelectric sensor and manufacturing method thereof

Publications (2)

Publication Number Publication Date
JP2012122858A JP2012122858A (en) 2012-06-28
JP5756912B2 true JP5756912B2 (en) 2015-07-29

Family

ID=46411679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010274128A Expired - Fee Related JP5756912B2 (en) 2010-12-08 2010-12-08 Reflective photoelectric sensor and manufacturing method thereof

Country Status (2)

Country Link
JP (1) JP5756912B2 (en)
CN (1) CN102565802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019066527A3 (en) * 2017-09-28 2019-05-23 크루셜텍(주) Distance measuring sensor

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6220672B2 (en) 2013-12-27 2017-10-25 パナソニック デバイスＳｕｎｘ株式会社 Displacement sensor
JP2017026813A (en) * 2015-07-22 2017-02-02 株式会社リコー Image reading lens, image reading device, and image forming apparatus
DE102016103123A1 (en) * 2016-02-23 2017-08-24 Vishay Semiconductor Gmbh Optoelectronic device
DE102016103113A1 (en) * 2016-02-23 2017-08-24 Vishay Semiconductor Gmbh Optoelectronic device
JP6925216B2 (en) * 2017-09-28 2021-08-25 アズビル株式会社 Photoelectric sensor
JP6904285B2 (en) * 2018-03-13 2021-07-14 オムロン株式会社 Limited reflective sensor
JP6995288B2 (en) * 2018-03-15 2022-01-14 オムロン株式会社 Photoelectric sensor
JP7327034B2 (en) * 2019-09-19 2023-08-16 オムロン株式会社 Toner concentration sensor and image forming apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0333801A (en) * 1989-06-30 1991-02-14 Canon Inc Resin molded lens
JPH04342916A (en) * 1991-05-20 1992-11-30 Omron Corp Photoelectric switch
JP3018846B2 (en) * 1993-08-06 2000-03-13 富士電機株式会社 Distance measuring unit
US5781351A (en) * 1995-06-02 1998-07-14 Matsushita Electric Industrial Co., Ltd. Mounting structure of objective lens for optical pick-up used for optical disk device
JP3726750B2 (en) * 2001-12-28 2005-12-14 松下電工株式会社 Photoelectric sensor and manufacturing method thereof
JP2003287420A (en) * 2002-03-27 2003-10-10 Sharp Corp Ranging sensor, electronic equipment having the same, and manufacturing method of the ranging sensor
JP4222792B2 (en) * 2002-06-26 2009-02-12 シャープ株式会社 Ranging sensor, electronic device using the same, and manufacturing method of ranging sensor
WO2006064876A1 (en) * 2004-12-17 2006-06-22 Matsushita Electric Industrial Co., Ltd. Optical unit and method for manufacturing same
CN101430409B (en) * 2007-11-05 2011-01-05 鸿富锦精密工业（深圳）有限公司 Drawtube, lens module with the same, and lens module assembling method
JP4180646B1 (en) * 2008-02-03 2008-11-12 コーセイ電子株式会社 Ranging device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019066527A3 (en) * 2017-09-28 2019-05-23 크루셜텍(주) Distance measuring sensor

Also Published As

Publication number Publication date
JP2012122858A (en) 2012-06-28
CN102565802A (en) 2012-07-11

Similar Documents

Publication Publication Date Title
JP5756912B2 (en) Reflective photoelectric sensor and manufacturing method thereof
JP5677355B2 (en) Ferrule, ferrule with optical fiber
CN102211549B (en) For the pick up camera of vehicle
US9593980B2 (en) Optical sensor
TWI479177B (en) Reflection optoelectronic sensor
KR101725051B1 (en) Optical transiver comprised of components assembled by sliding
CN104272133A (en) Optoelectronic sensor device, particularly laser scanner, with an adapted receiving unit for optimized reception level reduction
TW201307934A (en) Light receptacle and optical module equipped with same
TW200712597A (en) Optical module of a light source module and a sensor module positioned on a frame
JP4662153B2 (en) OPTICAL MODULE AND OPTICAL CONNECTOR HAVING OPTICAL MODULE
JP6451283B2 (en) Optical sensor
JP6220672B2 (en) Displacement sensor
JP6991463B2 (en) Photoelectric sensor and its manufacturing method
JP2009008766A (en) Optical module
WO2006016504A1 (en) Optical device for photoelectric sensor and photoelectric sensor using the same
JP2009253086A (en) Light-emitting module
JP6338378B2 (en) Optical fiber head, optical sensor
TWI280350B (en) Sensor head of optical displacement sensor
JP2009008767A (en) Optical module
JP2012074412A (en) Reflection type photoelectric sensor
WO2015054455A1 (en) Beam splitting for laser power monitoring in molded optical coupling units
JP6011908B2 (en) Optical receptacle and optical module having the same
JP4992127B2 (en) Reflective optical element mounting mechanism and projection display device
JP5904831B2 (en) Optical detector
KR101361069B1 (en) Optical subassembly

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20131011

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20131225

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140722

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140729

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140924

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20141007

TRDD Decision of grant or rejection written
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20150119

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150120

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150216

R151 Written notification of patent or utility model registration

Ref document number: 5756912

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees