JP3206693B2 - Vending machine product detection device - Google Patents
Vending machine product detection deviceInfo
- Publication number
- JP3206693B2 JP3206693B2 JP22268993A JP22268993A JP3206693B2 JP 3206693 B2 JP3206693 B2 JP 3206693B2 JP 22268993 A JP22268993 A JP 22268993A JP 22268993 A JP22268993 A JP 22268993A JP 3206693 B2 JP3206693 B2 JP 3206693B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- product
- sensor
- vending machine
- aperture
- 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
Landscapes
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Vending Machines For Individual Products (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、光センサからなる商品
検知装置であって、特に検知精度を高めた自動販売機の
商品検知装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a merchandise detecting device comprising an optical sensor, and more particularly to a merchandise detecting device for a vending machine having improved detection accuracy.
【０００２】なお、以下各図において同一の符号は同一
もしくは相当部分を示す。[0002] In the drawings, the same reference numerals indicate the same or corresponding parts.
【０００３】[0003]
【従来の技術】図５はいわゆる缶自動販売機における商
品収納用ラックの商品投入口部分の構成例を示し、同図
（Ａ）はラックの前斜め上方からの斜視図、同図（Ｂ）
は平面図である。この両図（Ａ），（Ｂ）において、１
は例えばいわゆるサーペンタイン方式の商品収納用ラッ
ク、１１は商品投入口、４は缶，ビン等の円柱状の容器
に納められた飲料などの投入商品、１２はラック内のこ
の投入商品４の商品通路の底面となる底面板で、この底
面板はこの部分ではラック１の奥行方向に下り勾配を持
って設けられている。投入商品４はこの底面板１２の上
を矢印１３の方向に転がりながら、一旦このラックの奥
へ向かったのち、更に下方へ転動落下して順次積重な
り、このラック内に収納される。2. Description of the Related Art FIG. 5 shows an example of the configuration of a product insertion port of a product storage rack in a so-called can vending machine. FIG. 5A is a perspective view of the rack from obliquely above the front, and FIG.
Is a plan view. In both figures (A) and (B), 1
For example, a so-called serpentine type product storage rack, 11 is a product slot, 4 is a product such as a beverage contained in a cylindrical container such as a can or a bottle, and 12 is a product path of the product 4 in the rack. The bottom plate is provided with a downward slope in the depth direction of the rack 1 at this portion. The rolled-in commodities 4 once go to the back of the rack while rolling on the bottom plate 12 in the direction of the arrow 13 and then roll down and fall further to be sequentially stacked and stored in the rack.
【０００４】次に３と２は、商品投入口１１の奥にあっ
てラック１の両側面１ｂと１ａ（この面は同時に商品通
路の両側面を形成している）上に夫々設けられた光セン
サとしての投光センサと受光センサで、互に対向して光
を授受する。そして、投入商品４が商品通路に沿って底
面板１２上を矢印１３の方向に転動落下する途中で、こ
の２つの光センサ３，２の授受する光が投入商品４によ
って遮られることによって、商品４の投入が検知され
る。なお、５はこのセンサ２，３による商品の検知範囲
である。[0006] Lights 3 and 2 are provided on both sides 1 b and 1 a of the rack 1 at the back of the commodity insertion slot 11 (the surfaces simultaneously form both sides of the commodity passage). A light-emitting sensor and a light-receiving sensor as sensors transmit and receive light to face each other. Then, while the input product 4 is rolling and falling on the bottom plate 12 in the direction of the arrow 13 along the product path, the light transmitted and received by the two optical sensors 3 and 2 is blocked by the input product 4, The insertion of the product 4 is detected. Reference numeral 5 denotes a product detection range of the sensors 2 and 3.
【０００５】ところでこのような構成の商品投入検知装
置においては、ビン商品などは光が透過し、缶商品でも
光の反射によって投入数のカウントに誤差が出る。そこ
でこの問題を解消するために、光センサ２，３にレンズ
を内蔵させ、光の絞り込みを行う自動販売機が知られて
いる。[0005] In the merchandise insertion detection device having such a configuration, light is transmitted to bottled commodities and the like, and even canned commodities have errors in counting the number of inserted merchandise due to reflection of light. In order to solve this problem, there is known a vending machine in which a lens is built in the optical sensors 2 and 3 to narrow down the light.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、最近の
この種の自動販売機では多種の商品をなるべく小さな筺
体に収容する必要があり、互に隣接する商品収納用ラッ
ク１間における、ラック側面１ａ，１ｂに取付ける光セ
ンサ２，３の許容スペースＷ、つまりラック側面１ａ，
１ｂの厚み方向の幅が図５（Ｂ）に示すように５mm程度
しかない。このため商品検知精度を上げるために、光セ
ンサ２，３にレンズを内蔵しようとすると光センサ２，
３の厚みが厚くなり、商品収納用ラック１に取付けるこ
とが不可能となる。また、仮に取付可能なものを作った
としても非常に高価なものになってしまうという問題が
ある。However, in a recent vending machine of this type, it is necessary to store various kinds of products in a small housing as much as possible, and rack side surfaces 1a, 1b, 1b, the allowable space W of the optical sensors 2 and 3 attached to the rack side 1a,
The width 1b in the thickness direction is only about 5 mm as shown in FIG. For this reason, in order to increase the product detection accuracy, if it is attempted to incorporate a lens into the optical sensors 2 and 3,
3 becomes thicker and cannot be mounted on the product storage rack 1. In addition, there is a problem that even if a product that can be attached is made, it becomes very expensive.
【０００７】そこで本発明は、光センサ２，３にレンズ
を使用せずに光の絞り込みを行い、商品検知精度を向上
させることができるような自動販売機の商品検知装置を
提供することを課題とする。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a product detection device for a vending machine which can improve the product detection accuracy by narrowing down the light without using a lens for the optical sensors 2 and 3. And
【０００８】[0008]
【課題を解決するための手段】前記の課題を解決するた
めに、商品通路の両側面上に夫々あって、互に対向して
光を授受し、かつ商品通路上の商品が、前記の光を遮る
ように設けられた投光センサ及び受光センサを備えた自
動販売機の商品検知装置において、この２つのセンサを
商品通路に取り付けるための取付金に***を設け、当該
のセンサに対しこの***からのみ光を通過させるように
する。In order to solve the above-mentioned problem, light is provided on both sides of a product passage so as to oppose each other, and light is transmitted and received on the product passage. In a commodity detection device of a vending machine provided with a light emitting sensor and a light receiving sensor provided so as to block the light, a small hole is provided in a mounting metal for attaching the two sensors to a commodity passage, and the small hole is provided for the sensor. Let light only pass from
【０００９】[0009]
【作用】光センサの受光，発光部の部分に光の絞り込み
を行うための小さな穴（アパーチャ）を取付金やシール
等の手段を介して、あるいは二重成形，印刷等の方法を
用いて設ける。このようにして光センサの商品検知精度
を向上させ、かつセンサを商品収納用ラックに取付可能
な超薄形構造とする。A small hole (aperture) for narrowing down the light at the light receiving and light emitting portions of the optical sensor is provided through means such as a mounting metal or a seal, or by a method such as double molding or printing. . In this way, a product detection accuracy of the optical sensor is improved, and the sensor has an ultra-thin structure that can be attached to a product storage rack.
【００１０】[0010]
【実施例】次に図１ないし図４を用いて本発明の実施例
を説明する。図１は本発明に基づく光センサの説明図
で、同図（Ａ）は光センサ２，３の概略の構成を示し、
同図（Ｂ）はその動作の概略を示す。同図（Ａ）におい
て、６は受光センサ２の受光部及び投光センサ３の投光
部に設けられた光の通過する窓となる、この例では円形
の***としてのアパーチャで、光センサ３，２が授受す
る光を絞り込む役割を持つ。Next, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an explanatory view of an optical sensor according to the present invention, and FIG. 1A shows a schematic configuration of optical sensors 2 and 3.
FIG. 1B shows an outline of the operation. In FIG. 1A, reference numeral 6 denotes a window provided in the light receiving portion of the light receiving sensor 2 and the light projecting portion of the light projecting sensor 3 through which light passes. In this example, an aperture as a circular small hole is provided. , 2 have a role of narrowing down the light transmitted and received.
【００１１】光センサ２，３にこのアパーチャ６を設け
るには、光センサ２，３の取付金やシールにアパーチャ
６を設ける方法や、一旦、樹脂成形によって作った光セ
ンサ２，３に対して更に樹脂の二重成形、または印刷で
アパーチャを施す方法等が考えられる。図１（Ｂ）はこ
のアパーチャ６に基づく光の絞り込み動作の例を示し、
この図は図５の（Ｂ）に対応している。この図１（Ｂ）
において、点線のセンサ検知範囲５−１は光センサ２，
３にアパーチャ６を設けない場合を示し、実線のセンサ
検知範囲５−２は同じくアパーチャ６を設けた場合を示
す。In order to provide the apertures 6 on the optical sensors 2 and 3, a method of providing the apertures 6 on a mounting metal or a seal of the optical sensors 2 and 3 or a method of providing the optical sensors 2 and 3 once formed by resin molding is used. Further, a method of forming an aperture by double molding of resin or printing may be considered. FIG. 1B shows an example of a light-squeezing operation based on the aperture 6.
This figure corresponds to FIG. This FIG. 1 (B)
, The dotted line sensor detection range 5-1 is the optical sensor 2,
3 shows the case where the aperture 6 is not provided, and the solid line sensor detection range 5-2 shows the case where the aperture 6 is also provided.
【００１２】図２はアパーチャの穴径と指向性（換言す
れば商品検知範囲である立体角）、及び検知対象商品の
大きさとの関係の例を示す。なお、縦軸の目盛は光セン
サ２又は３の受光又は投光の軸方向の距離（透過距離と
いう）を表し、横軸の目盛は検知対象商品の半径を表わ
す。図２ではアパーチャの無（立体角５２°），４．５
φ（立体角４８°），３φ（立体角４３°），２φ（立
体角３３°），１．５φ（立体角２３°）の各々の場合
についての指向性が示されている。商品検知精度を向上
させる具体例としては商品最大径６６φ，光センサ２，
３間距離１７５ｍｍの場合、アパーチャ径は２φが適当
である。FIG. 2 shows an example of the relationship between the hole diameter of the aperture, the directivity (in other words, the solid angle which is the product detection range), and the size of the product to be detected. The scale on the vertical axis represents the axial distance of light reception or light projection (referred to as transmission distance) of the optical sensor 2 or 3, and the scale on the horizontal axis represents the radius of the product to be detected. In FIG. 2, no aperture (solid angle 52 °), 4.5
Directivity is shown for each of φ (solid angle 48 °), 3φ (solid angle 43 °), 2φ (solid angle 33 °), and 1.5φ (solid angle 23 °). Specific examples of improving the product detection accuracy include a product maximum diameter of 66φ, an optical sensor 2,
When the distance between the three is 175 mm, the aperture diameter is suitably 2φ.
【００１３】また、図３は図２のアパーチャの穴径と指
向性（立体角）との関係についての特性図であり、図４
は同じくアパーチャの穴径と商品検知可能な最大透過距
離との関係を示す特性図である。FIG. 3 is a characteristic diagram showing the relationship between the hole diameter of the aperture of FIG. 2 and the directivity (solid angle).
Is a characteristic diagram showing the relationship between the hole diameter of the aperture and the maximum transmission distance that allows product detection.
【００１４】[0014]
【発明の効果】本発明によれば、商品通路の両側面上に
夫々あって、互に対向して光を授受し、かつ商品通路上
の商品が、前記の光を遮るように設けられた投光センサ
及び受光センサを備えた自動販売機の商品検知装置にお
いて、この２つのセンサを商品通路に取り付けるための
取付金に***を設け、当該のセンサに対しこの***から
のみ光を通過させるようにしたので、低価格で商品検知
精度の高い超薄形センサを得ることができる。According to the present invention, light is provided on both sides of the product passage so as to oppose each other to transmit and receive light, and the product on the product passage is provided so as to block the light. In a merchandise detecting device of a vending machine provided with a light emitting sensor and a light receiving sensor, a small hole is provided in a mounting metal for attaching the two sensors to a merchandise passage, and light is allowed to pass through only the small hole for the sensor. Therefore, it is possible to obtain an ultra-thin sensor having a low price and a high product detection accuracy.
【図１】本発明の実施例としての光センサの基本的な構
成と動作を示す図FIG. 1 is a diagram showing a basic configuration and operation of an optical sensor as an embodiment of the present invention.
【図２】光センサのアパーチャの穴径と指向性及び検知
対象商品の大きさとの関係の実施例を示す図FIG. 2 is a diagram showing an example of a relationship between a hole diameter of an aperture of an optical sensor, directivity, and a size of a detection target product.
【図３】図２のアパーチャの穴径と指向性（立体角）と
の関係を示す特性図FIG. 3 is a characteristic diagram showing a relationship between a hole diameter of the aperture of FIG. 2 and directivity (solid angle).
【図４】図２のアパーチャの穴径と最大透過距離との関
係を示す特性図FIG. 4 is a characteristic diagram showing a relationship between a hole diameter of the aperture of FIG. 2 and a maximum transmission distance.
【図５】商品収納用ラックの商品投入口部分の要部の構
成を示す図FIG. 5 is a diagram showing a configuration of a main part of a product insertion port portion of a product storage rack;
１ 商品収納用ラック １ａ，１ｂ ラック側面 ２ 受光センサ ３ 投光センサ ４ 投入商品 ５−２ センサ検知範囲 ６ アパーチャ １１ 商品投入口 １２ 底面板 DESCRIPTION OF SYMBOLS 1 Rack for storing goods 1a, 1b Side of rack 2 Light receiving sensor 3 Light emitting sensor 4 Input product 5-2 Sensor detection range 6 Aperture 11 Product input port 12 Bottom plate
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) G07F 5/00 - 11/72 F24C 7/02 H01L 31/12 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) G07F 5/00-11/72 F24C 7/02 H01L 31/12
Claims (1)
向して光を授受し、かつ商品通路上の商品が、前記の光
を遮るように設けられた投光センサ及び受光センサを備
えた自動販売機の商品検知装置において、この２つのセ
ンサを商品通路に取り付けるための取付金に***を設
け、当該のセンサに対しこの***からのみ光を通過させ
るようにしたことを特徴とする自動販売機の商品検知装
置。1. A light-emitting sensor and a light-receiving sensor which are provided on both sides of a product passage so as to transmit and receive light so as to face each other and to block the light. In a vending machine product detection device provided with a small hole in a mounting metal for mounting the two sensors in a product passage, light is allowed to pass only from the small hole to the sensor. Detecting device for vending machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22268993A JP3206693B2 (en) | 1993-09-08 | 1993-09-08 | Vending machine product detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22268993A JP3206693B2 (en) | 1993-09-08 | 1993-09-08 | Vending machine product detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0778283A JPH0778283A (en) | 1995-03-20 |
| JP3206693B2 true JP3206693B2 (en) | 2001-09-10 |
Family
ID=16786376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22268993A Expired - Fee Related JP3206693B2 (en) | 1993-09-08 | 1993-09-08 | Vending machine product detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3206693B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198980C (en) | 1997-12-17 | 2005-04-27 | 旭化成株式会社 | Lining cloth and method for producing same |
-
1993
- 1993-09-08 JP JP22268993A patent/JP3206693B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0778283A (en) | 1995-03-20 |
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