JP2016057170A - Operation confirmation method of detection sensor, inspection meter, and test piece - Google Patents

Operation confirmation method of detection sensor, inspection meter, and test piece Download PDF

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JP2016057170A
JP2016057170A JP2014183969A JP2014183969A JP2016057170A JP 2016057170 A JP2016057170 A JP 2016057170A JP 2014183969 A JP2014183969 A JP 2014183969A JP 2014183969 A JP2014183969 A JP 2014183969A JP 2016057170 A JP2016057170 A JP 2016057170A
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detection
detection sensor
test piece
sensor
region
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明男 日比野
Akio Hibino
明男 日比野
佳世子 石橋
Kayoko Ishibashi
佳世子 石橋
遠藤　健治
Kenji Endo
健治 遠藤
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Hashima Co Ltd
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Hashima Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a test piece capable of very simply performing operation confirmation of a detection sensor, an operation confirmation method of the detection sensor, an inspection meter, and a test piece capable of performing the operation confirmation.SOLUTION: An operation confirmation method for performing the operation confirmation of detection sensors (310 to 350) in an inspection meter 1000 having a detection head 300, in which a plurality of detection sensors (310 to 350) for detecting an object to be detected of metals mixed into the object such as clothes and the like are arranged in parallel, causes a test piece 510 having a length capable of crossing the detection areas (313 to 353) of the detection sensor (310 to 350) to cross toward the detection areas (313 to 353) of the detection sensor (310 to 350), and the operation confirmation of the detection sensors (310 to 350) is performed based on a detection value D of the detection sensor (310 to 350) at that time.SELECTED DRAWING: Figure 1

Description

本願発明は、例えば縫製品、インテリア製品、食料品、玩具等の製造工程中において混入した縫い針等の金属類を検出する検出センサーを備えた検針機において、当該検出センサーの動作確認を行う、検出センサーの動作確認方法、検針機、及び、当該動作確認を可能とするテストピースに関するものである。   The present invention, for example, in a meter reading machine equipped with a detection sensor that detects metals such as sewing needles mixed during the manufacturing process of sewing products, interior products, food products, toys, etc., confirms the operation of the detection sensor. The present invention relates to an operation confirmation method for a detection sensor, a meter reading machine, and a test piece that enables the operation confirmation.

従来から、様々な検針機が開発されているが、例えば、特許文献１に示す検針機１０００が知られている。この検針機１０００は、図４（ａ）に示すように、検針機１０００の動作を制御する制御装置等が格納された土台部１００と、衣類等の対象物を搬送する搬送ベルト２００と、対象物内に混入した金属類の被検出物を検出する検出ヘッド３００とからなる。   Conventionally, various meter reading machines have been developed. For example, a meter reading machine 1000 shown in Patent Document 1 is known. As shown in FIG. 4 (a), the meter-reading machine 1000 includes a base unit 100 in which a control device for controlling the operation of the meter-reading machine 1000 is stored, a transport belt 200 that transports an object such as clothing, It comprises a detection head 300 for detecting a metal object to be detected mixed in the object.

この検出ヘッド３００は門型形状であり、この検出ヘッド３００と搬送ベルト２００との間に検出領域を発生させている。そして、この検出領域へ搬送ベルト２００によって、衣類等の対象物が搬送された際に、対象物内に金属等の被検出物が混入していると、検出ヘッド３００が被検出物を検出して、検針機１０００の使用者に被検出物の混入を知らせる。   The detection head 300 has a portal shape, and a detection region is generated between the detection head 300 and the conveyor belt 200. When an object such as clothing is conveyed to the detection area by the conveyance belt 200, if an object to be detected such as metal is mixed in the object, the detection head 300 detects the object to be detected. Thus, the user of the meter-reading machine 1000 is informed of contamination of the detected object.

そして、この検出ヘッド３００は、複数の検出センサー３１０から検出センサー３５０を、検出ヘッド３００の長尺方向へ並列に配置しており、各検出センサーの検出値から、被検出物の位置を特定することができる。   In this detection head 300, detection sensors 350 to 350 are arranged in parallel in the longitudinal direction of the detection head 300, and the position of the object to be detected is specified from the detection value of each detection sensor. be able to.

では、図４（ｂ）を参照して、各検出センサーの詳しい構成について説明する。なおすべての検出センサーの構成は同一なので、図４（ｂ）では、その代表として、検出センサー３１０についてのみ説明する。この検出センサー３１０は、搬送ベルト２００の下面に配置された下検出部３１１と、検出ヘッド３００内部に配置された上検出部３１２とからなる。この下検出部３１１と上検出部３１２との間には、直流磁界３１３を発生させており、この直流磁界３１３に被検出物が通過することで、直流磁界３１３は、乱されたり遮断されたりして変化する。そして、この変化により誘起される誘起電圧（検出値）を測定することにより、検出センサー３１０は被検出物を検知することができる。また、この直流磁界３１３は、被検出物を検出する領域であるから、以下、検出領域と呼ぶ。   Now, a detailed configuration of each detection sensor will be described with reference to FIG. Since all the detection sensors have the same configuration, only the detection sensor 310 will be described as a representative in FIG. The detection sensor 310 includes a lower detection unit 311 disposed on the lower surface of the conveyor belt 200 and an upper detection unit 312 disposed within the detection head 300. A DC magnetic field 313 is generated between the lower detection unit 311 and the upper detection unit 312, and the DC magnetic field 313 is disturbed or cut off by passing an object to be detected through the DC magnetic field 313. Change. And the detection sensor 310 can detect a to-be-detected object by measuring the induced voltage (detection value) induced by this change. Further, since the DC magnetic field 313 is an area for detecting an object to be detected, it is hereinafter referred to as a detection area.

ところで、どのような検針機であっても、稼働前や定期的に、検出センサーが正常に動作するか確認する必要がある。当然ながら、この複数の検出センサーを備える検針機１０００も例外ではなく、稼働前や定期的に、各検出センサーが故障等しておらず、正常に動作するかの動作確認作業を行う。この動作確認作業では、図５（ａ）及び（ｂ）に示すように、略立方体形状をした設置台４００の上表面に配置された、金属製の球体状のテストピース４１０を用いる。そして、設置台４００を搬送ベルト２００により、検出ヘッド３００に向けて搬送して、各検出センサーの動作確認を行っていく。   By the way, it is necessary to confirm whether the detection sensor operates normally before operation or periodically, regardless of the meter reading machine. Of course, the meter-reading machine 1000 provided with the plurality of detection sensors is not an exception, and an operation check operation is performed to check whether each detection sensor is operating normally or not before operation or periodically. In this operation confirmation work, as shown in FIGS. 5A and 5B, a metal spherical test piece 410 disposed on the upper surface of the installation table 400 having a substantially cubic shape is used. Then, the installation table 400 is transported toward the detection head 300 by the transport belt 200, and the operation of each detection sensor is checked.

ところで、検出センサー３１０の下検出部３１１と上検出部３１２の間に発生する検出領域３１３は、磁界の特性上、左右方向へ膨らむ提灯型をしており、隣接する検出センサーの検出領域は、互いに重なり合うようになっている。そのため、このような特徴を備える検針機１０００では、例えば、検出センサー３１０の検出領域３１３（右下がり斜線）と、検出センサー３２０の検出領域３２３（左下がり斜線）が重なる部分にテストピース４１０が進入すると、検出領域３１３と検出領域３２３の両方の磁界（検出領域）が乱され、検出センサー３１０と検出センサー３２０の両方がテストピース４１０を検知する。   By the way, the detection region 313 generated between the lower detection unit 311 and the upper detection unit 312 of the detection sensor 310 has a lantern type that expands in the left-right direction due to the characteristics of the magnetic field, and the detection region of the adjacent detection sensor is They overlap each other. Therefore, in the meter reading machine 1000 having such a feature, for example, the test piece 410 enters a portion where the detection region 313 (lower right oblique line) of the detection sensor 310 and the detection region 323 (lower left oblique line) of the detection sensor 320 overlap. Then, the magnetic fields (detection regions) in both the detection region 313 and the detection region 323 are disturbed, and both the detection sensor 310 and the detection sensor 320 detect the test piece 410.

例えば、検出領域の重複部分であって、検出センサー３１０寄りの位置にテストピース４１０が進入した場合は、検出センサー３１０に近い距離分だけ、検出領域３１３の磁界（検出領域）の方が、隣接する検出領域３２３の磁界（検出領域）よりも大きく乱され、検出センサー３１０の検出値が大きくなる。そして、検出センサー３１０の検出値の大きさと、検出センサー３２０の検出値の大きさを比較分析して、隣接する検出センサーが互いに補完し合うことで、検出センサー３１０寄りの、どの辺りの位置にテストピース４１０が進入したかを算出することが可能となる（以下、補完算出機能と呼ぶ。）。   For example, when the test piece 410 enters a position near the detection sensor 310 that is an overlapping portion of the detection area, the magnetic field (detection area) of the detection area 313 is adjacent to the detection sensor 310 by a distance closer to the detection sensor 310. The detection value of the detection sensor 310 becomes larger due to the disturbance than the magnetic field (detection region) of the detection region 323 to be detected. Then, the magnitude of the detection value of the detection sensor 310 and the magnitude of the detection value of the detection sensor 320 are compared and analyzed, and the adjacent detection sensors complement each other, so that the position near the detection sensor 310 is located. It is possible to calculate whether the test piece 410 has entered (hereinafter referred to as a complementary calculation function).

しかしながら、仮に検出センサー３１０が故障しており、例えば正常時よりも大きな検出値を取得してしまう場合は、上述した状況よりも、テストピース４１０が検出センサー３１０により近づいた位置で進入したと誤って判断されてしまい、検出センサー３１０が故障していることは認識できない。   However, if the detection sensor 310 is out of order and, for example, a detection value larger than that in the normal state is acquired, it is erroneously assumed that the test piece 410 has entered at a position closer to the detection sensor 310 than in the situation described above. Therefore, it cannot be recognized that the detection sensor 310 is malfunctioning.

このような理由から、検出センサー３１０が故障しているかを確認するには、上記補完算出機能の影響を排除するために、図５（ａ）及び（ｂ）に示すように、テストピース４１０を、検出領域３１３内であって、隣り合う検出センサー３２０の検出領域３２３と重複しない部分へ、進入させなければならない。   For this reason, in order to confirm whether or not the detection sensor 310 has failed, in order to eliminate the influence of the complementary calculation function, a test piece 410 is provided as shown in FIGS. In the detection area 313, it is necessary to enter a portion that does not overlap with the detection area 323 of the adjacent detection sensor 320.

したがって、確認作業を行うユーザは、図５（ａ）に示すように、隣接する検出領域３２３と重複しない検出領域３１３の特定箇所を通過できるように、所定の位置へ、テストピース４１０を載せて矢印方向へ搬送し、検出センサー３１０は、テストピース４１０が自身の検出領域３１３の特定箇所を通過した際の検出値（例えば、誘起電圧）を得る。そして、上記の特定箇所と同じ箇所をテストピース４１０が通過した際に、正常な検出センサー３１０が検出した正常値が予め用意してあるので、その正常値と、今回の確認作業で得られた検出値とを比較して、異常な値であれば、検出センサー３１０が正常に動作していないと認識することができる。ユーザは、この作業を、隣接する検出センサーについて順番に繰り返してゆき、さらに、高さの異なる設置台４００に入れ替えて、検出領域の上方部分でも、検出センサーが正常に動作するか確認していた。   Therefore, as shown in FIG. 5A, the user who performs the confirmation work places the test piece 410 at a predetermined position so that the user can pass a specific portion of the detection area 313 that does not overlap with the adjacent detection area 323. Conveyed in the direction of the arrow, the detection sensor 310 obtains a detection value (for example, induced voltage) when the test piece 410 passes a specific portion of its own detection region 313. And since the normal value which the normal detection sensor 310 detected when the test piece 410 passed the same location as said specific location is prepared beforehand, it was obtained by the normal value and this confirmation work. When the detected value is compared with the detected value, it can be recognized that the detection sensor 310 is not operating normally. The user repeated this operation in order for the adjacent detection sensors, and switched to the installation table 400 having a different height, and confirmed whether the detection sensors operated normally even in the upper part of the detection area. .

しかしながら、上記確認方法においては、隣接する検出センサーと検出領域が重ならない部分にテストピース４１０が進入できるように、搬送ベルト２００の所定の位置へ、ユーザが手作業で、テストピース４１０を正確に設置しなければならず、非常に手間がかかるものであった。特に、図５において、左右両方に検出センサーが隣接する検出センサー３２０の動作確認を行う場合は、テストピース４１０を、検出領域３２３内であって、隣り合う検出センサーの検出領域３１３と検出領域３３３とに重複しない、非常に狭い部分へ、正確にテストピース４１０を進入させなければならない。また、正確な位置にテストピース４１０を配置していないと、検出センサーの異常が発見できないことから、人為的ミスによって、異常を発見できない場合もあり得る。さらに、ユーザは、複数ある検出センサーごとに、繰り返し確認作業を行わなければならず、非常に面倒で時間のかかるものであった。   However, in the above confirmation method, the test piece 410 is accurately moved manually to a predetermined position of the conveyor belt 200 by the user so that the test piece 410 can enter a portion where the detection region does not overlap with the adjacent detection sensor. It had to be installed and was very time-consuming. In particular, in FIG. 5, when the operation of the detection sensor 320 adjacent to both the left and right detection sensors is checked in FIG. 5, the test piece 410 is located in the detection area 323, and the detection areas 313 and 333 of the adjacent detection sensors. The test piece 410 must be accurately entered into a very narrow portion that does not overlap with the other. Further, if the test piece 410 is not arranged at an accurate position, an abnormality of the detection sensor cannot be found, and therefore, there may be a case where the abnormality cannot be found due to human error. Furthermore, the user has to repeatedly perform confirmation work for each of a plurality of detection sensors, which is very troublesome and time consuming.

特開２０１２−１８９４１２JP2012-189412

そこで、本願発明は、上記問題に鑑み、非常に簡単に検出センサーの動作確認を行うことのできる、検出センサーの動作確認方法、検針機、及び、当該動作確認を可能とするテストピースを提供するものである。   Therefore, in view of the above problems, the present invention provides a detection sensor operation check method, a meter reading machine, and a test piece that enables the operation check, which can check the operation of the detection sensor very easily. Is.

上記課題を解決するために、本願発明の検出センサーの動作確認方法は、衣類等の対象物内に混入した金属類の被検出物を検出する検出センサーを、複数並列に配置した検出ヘッドを備えた検針機において、前記検出センサーの動作確認を行う動作確認方法であって、前記検出センサーの検出領域を横断可能な長さのテストピースを、前記検出センサーの検出領域へと横断させ、その際の前記検出センサーの検出値に基づき、当該検出センサーの動作確認を行うことを特徴としている。   In order to solve the above-mentioned problems, the detection sensor operation check method of the present invention comprises a detection head in which a plurality of detection sensors for detecting metal detection objects mixed in an object such as clothing are arranged in parallel. An operation confirmation method for confirming the operation of the detection sensor, wherein a test piece having a length that can traverse the detection region of the detection sensor is traversed to the detection region of the detection sensor. The operation of the detection sensor is checked based on the detection value of the detection sensor.

また、本願発明の検針機は、衣類等の対象物内に混入した金属類の被検出物を検出する検出センサーを、複数並列に配置した検出ヘッドと、前記検出センサーの動作確認を行う動作確認装置と、を備えた検針機であって、前記動作確認装置は、前記検出センサーの検出領域を横断可能な長さのテストピースが、前記検出センサーの検出領域を横断した際の、前記検出センサーの検出値に基づき、当該検出センサーの動作確認を行うことを特徴としている。   The meter reading machine according to the present invention also includes a detection head in which a plurality of detection sensors for detecting metal detection objects mixed in an object such as clothing are arranged in parallel, and an operation check for confirming the operation of the detection sensor. A device for detecting a movement of a test piece having a length capable of crossing the detection region of the detection sensor across the detection region of the detection sensor. The operation of the detection sensor is checked based on the detected value.

また、本願発明のテストピースは、衣類等の対象物内に混入した金属類の被検出物を検出する検出センサーを、複数並列に配置した検出ヘッド備えた検針機に利用可能なテストピースであって、前記検出センサーの検出領域を横断可能な長さであることを特徴としている。   The test piece of the present invention is a test piece that can be used for a meter reading machine having a detection head in which a plurality of detection sensors for detecting a metal detection object mixed in an object such as clothing are arranged in parallel. The detection sensor has a length that can cross the detection region of the detection sensor.

これら上記特徴によれば、検出センサーの検出領域を横断可能な長さのテストピースを、検出センサーの検出領域へと横断させるので、検出センサーの重複部分を含む検出領域全体を横断させた際の検出値に基づいて動作確認を行えることから、上記従来技術のように、テストピースが重複部分のどの位置を通過したか（補完算出機能）を全く考慮する必要がない。その結果、本願発明は、従来技術のように、ユーザが、検出領域のある特定の部分（隣接する検出領域が重ならない部分）にテストピースを通過させなければならないという、非常に手間のかかる作業をする必要がないのである。   According to these features, the test piece having a length that can traverse the detection area of the detection sensor is traversed to the detection area of the detection sensor, so that when the entire detection area including the overlapping portion of the detection sensor is traversed, Since the operation can be confirmed based on the detection value, it is not necessary to consider at all the position of the overlapping portion of the test piece (complementary calculation function) as in the prior art. As a result, according to the present invention, as in the prior art, the user has to pass the test piece through a specific part of the detection area (a part where the adjacent detection areas do not overlap), which is a very laborious work. There is no need to do.

本願発明の検出センサーの動作確認方法、検針機、及び、当該動作確認を可能とするテストピースによれば、非常に簡単に検出センサーの動作確認を行うことができるという優れた効果を奏する。   According to the method for checking the operation of the detection sensor, the meter reading machine, and the test piece that enables the operation check according to the present invention, it is possible to check the operation of the detection sensor very easily.

（ａ）は、本願発明の検針機の平面図の前端側を拡大表示したもの、（ｂ）は、同検針機の側面図、（ｃ）は検出センサーの検出値を示す一例である。(A) is an enlarged view of the front end side of the plan view of the meter reading machine of the present invention, (b) is a side view of the meter reading machine, and (c) is an example showing a detection value of a detection sensor. 図１で示した本願発明の検針機のシステム構成の概略図である。It is the schematic of the system configuration | structure of the meter-reading machine of this invention shown in FIG. 本願発明の検針機の平面図の前端側を拡大表示したものであって、テストピースの他例を示すものである。The front end side of the top view of the meter-reading machine of this invention is expanded and displayed, Comprising: The other example of a test piece is shown. （ａ）は、本願発明の背景技術の一例として示す検針機の斜視図、（ｂ）は図４（ａ）におけるＡ―Ａ断面図である。(A) is a perspective view of the meter-reading machine shown as an example of the background art of this invention, (b) is AA sectional drawing in Fig.4 (a). （ａ）は、本願発明の背景技術の一例として示す検針機の平面図であって、前端側を拡大表示したもの、（ｂ）は図５（ａ）における検針機の側面図である。(A) is a top view of the meter-reading machine shown as an example of the background art of this invention, Comprising: The front end side is expanded and displayed, (b) is a side view of the meter-reading machine in Fig.5 (a).

３００ 検出ヘッド
３１０、３２０、３３０、３４０、３５０ 検出センサー
３１３、３２３、３３３、３４３、３５３ 検出領域
Ｄ 検出値
５１０ テストピース
６００ 動作確認装置 300 Detection head 310, 320, 330, 340, 350 Detection sensor 313, 323, 333, 343, 353 Detection area D Detection value 510 Test piece 600 Operation check device

以下に、本願発明の実施の形態について、図面を用いて説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図１（ａ）は、本願発明の検針機１０００の平面図の前端側を拡大表示したもので、図１（ｂ）は、本願発明の検針機１０００の側面図を示すものである。なお、詳しくは後述するが、本願発明の検針機は、図４及び図５に示す従来の検針機に、本願発明の検出センサーの動作確認方法を実行する動作確認装置６００を加えたもので、他の構成は従来と同一である。また、本願発明の検出センサーの動作確認方法を実行する、専用のテストピース５１０を利用するものである。   1A is an enlarged view of the front end side of the plan view of the meter reading machine 1000 of the present invention, and FIG. 1B shows a side view of the meter reading machine 1000 of the present invention. In addition, although mentioned later in detail, the meter reading machine of the present invention is obtained by adding an operation confirmation device 600 for executing the operation confirmation method of the detection sensor of the present invention to the conventional meter reading machine shown in FIGS. Other configurations are the same as those of the prior art. In addition, a dedicated test piece 510 that executes the method of confirming the operation of the detection sensor of the present invention is used.

次に、図２には、本願発明の検針機１０００のシステム構成の概略図を示す。主に、本システムは、搬送ベルト２００を任意の方向へ駆動するモータＭと、当該モータＭを制御するモーターコントローラ８００とを備える駆動系システムと、検出センサー３１０から検出センサー３５０の検出値を読み込んで統合するメインコントローラ７００と、検出値から検出センサーの異常を検知する動作確認装置６００とを備える制御系システムとからなる。また、不図示であるが、動作確認装置６００は、検出センサーの検出値から、異常を判断する処理を実行可能なＣＰＵ（演算装置）と、本処理を実行するためのプログラムを記録したメモリ（記憶装置）を備えている。   Next, in FIG. 2, the schematic of the system configuration | structure of the meter-reading machine 1000 of this invention is shown. This system mainly reads a detection value of the detection sensor 350 from a drive system including a motor M that drives the conveyor belt 200 in an arbitrary direction and a motor controller 800 that controls the motor M, and the detection sensor 310. And a control system system including a main controller 700 integrated with the operation controller 600 and an operation confirmation device 600 that detects an abnormality of the detection sensor from the detected value. Although not shown, the operation confirmation device 600 includes a CPU (arithmetic unit) capable of executing a process for determining abnormality from a detection value of the detection sensor, and a memory (a program storing a program for executing this process). Storage device).

また、図１（ａ）に示すように、本願発明の検出センサーの動作確認方法を実行するための専用のテストピース５１０は、略直方体の設置台５００の上側表面に設置されている。このテストピース５１０は、検出センサーが反応可能な金属製の物質であれば任意の材質で構成することができる。本実施例では、テストピース５１０が均一の厚さ及び幅で、長尺状の形状とすることが望ましいため、粒状又は液体状の金属製材料を、図１（ａ）に示すように、均一の厚さ及び幅の長尺状の形状となるように、設置台５００の上側表面に塗布している。   Further, as shown in FIG. 1A, a dedicated test piece 510 for executing the operation check method of the detection sensor of the present invention is installed on the upper surface of a substantially rectangular parallelepiped installation table 500. The test piece 510 can be made of any material as long as it is a metal substance that can react with the detection sensor. In the present embodiment, it is desirable that the test piece 510 has a uniform thickness and width and has an elongated shape. Therefore, a granular or liquid metal material is uniform as shown in FIG. It is applied to the upper surface of the installation table 500 so as to have a long shape with a thickness and a width.

さらに、このテストピース５１０は、検出センサー３１０の検出領域３１３（図１（ａ）及び（ｂ）の右下がり斜線）と、検出センサー３２０の検出領域３２３（図１（ａ）及び（ｂ）の左下がり斜線）を横断できるように、検出領域３１３と検出領域３２３との横方向（つまり、テストピース５１０が進入してくる方向に対して、直角方向）の幅と、ほぼ同じ長さとなっている。勿論、検出センサー３１０から検出センサー３５０は、すべて同じ構成であるから、テストピース５１０の長さは、いずれの２つの検出センサーの検出領域の横方向の幅と、ほぼ同じ長さとなる。   Further, the test piece 510 includes a detection area 313 of the detection sensor 310 (lower right oblique lines in FIGS. 1A and 1B) and a detection area 323 of the detection sensor 320 (FIGS. 1A and 1B). The width of the detection region 313 and the detection region 323 (that is, the direction perpendicular to the direction in which the test piece 510 enters) is almost the same length so that the crossing can be made. Yes. Of course, since all of the detection sensors 310 to 350 have the same configuration, the length of the test piece 510 is substantially the same as the lateral width of the detection region of any two detection sensors.

では、このテストピース５１０を用いた、検出センサーの動作確認方法について説明する。なお、以下では、検出センサー３１０と検出センサー３２０の動作確認を例にして説明しているが、他の検出センサーも同様にして、動作確認を実施する。   Now, a method for confirming the operation of the detection sensor using the test piece 510 will be described. In the following, the operation confirmation of the detection sensor 310 and the detection sensor 320 is described as an example, but the operation confirmation is performed in the same manner for other detection sensors.

まず、ユーザは、テストピース５１０を備える設置台５００を、検出ヘッド３００の前方の搬送ベルト２００上であって、テストピース５１０が検出センサー３１０の検出領域３１３と検出センサー３２０の検出領域３２３とを横断できる位置に設置する。次に、ユーザは、不図示のインタフェースを介して、検出センサーの動作確認を実行するように、メインコントローラ７００に指令を出す。すると、メインコントローラ７００は、テストピース５１０が検出ヘッド３００へ向けて搬送されるように、モーターコントローラ８００へ指令を送る。当該指令を受信したモーターコントローラ８００は、図１（ａ）に示す矢印の方向へ、搬送ベルト２００を駆動するように、モータＭを制御する。   First, the user places the installation table 500 including the test piece 510 on the conveyance belt 200 in front of the detection head 300, and the test piece 510 detects the detection area 313 of the detection sensor 310 and the detection area 323 of the detection sensor 320. Install in a position that can be crossed. Next, the user issues a command to the main controller 700 to check the operation of the detection sensor via an interface (not shown). Then, the main controller 700 sends a command to the motor controller 800 so that the test piece 510 is conveyed toward the detection head 300. The motor controller 800 that has received the command controls the motor M so as to drive the transport belt 200 in the direction of the arrow shown in FIG.

そして、テストピース５１０が搬送ベルト２００によって搬送されて、検出センサー３１０の検出領域３１３と検出センサー３２０の検出領域３２３とを、図１（ａ）に示す矢印のように、前方から後方へ貫通するように横断してゆく。すると、検出領域３１３と検出領域３２３内の磁界が乱され、検出センサー３１０及び検出センサー３２０のそれぞれは、テストピース５１０が自身の検出領域を横断した際の検出値Ｄ（誘起電圧値）を取得する。さらに、各検出値Ｄはメインコントローラ７００を介して、動作確認装置６００へ逐次伝達される。   Then, the test piece 510 is transported by the transport belt 200 and penetrates the detection region 313 of the detection sensor 310 and the detection region 323 of the detection sensor 320 from the front to the rear as indicated by the arrows shown in FIG. Cross like so. Then, the magnetic fields in the detection region 313 and the detection region 323 are disturbed, and each of the detection sensor 310 and the detection sensor 320 acquires a detection value D (induced voltage value) when the test piece 510 crosses its detection region. To do. Further, each detection value D is sequentially transmitted to the operation check device 600 via the main controller 700.

この動作確認装置６００は、各検出センサーの検出値から、各検出センサーが異常か否かを個別に判断するために、正常な各検出センサーの検出領域をテストピース５１０が横断した際に検出された正常値を、予め測定して保有している。以下では、図１（ｃ）を参照して、検出センサー３１０から得られた検出値Ｄに基づいて、動作確認装置６００が、検出センサー３１０の異常を判断することについて説明する。   This operation check device 600 is detected when the test piece 510 crosses the detection area of each normal detection sensor in order to individually determine whether each detection sensor is abnormal from the detection value of each detection sensor. Normal values are measured and held in advance. Hereinafter, with reference to FIG. 1C, description will be given of how the operation check apparatus 600 determines an abnormality of the detection sensor 310 based on the detection value D obtained from the detection sensor 310.

なお、この検出センサー３１０から得られた検出値Ｄは、検出センサー３１０の検出領域３１３の横幅全体（当然、隣接する検出領域３２３との重複部分全体を含む）をテストピース５１０が横断した際の検出値であり、検出センサー３２０から得られた検出値は、検出センサー３２０の検出領域３２３の横幅全体（当然、隣接する検出領域３１３との重複部分全体を含む）をテストピース５１０が横断した際の検出値である。   The detection value D obtained from the detection sensor 310 is obtained when the test piece 510 traverses the entire width of the detection region 313 of the detection sensor 310 (of course, including the entire overlapping portion with the adjacent detection region 323). The detection value obtained from the detection sensor 320 is obtained when the test piece 510 traverses the entire width of the detection region 323 of the detection sensor 320 (of course, including the entire overlapping portion with the adjacent detection region 313). Is the detected value.

まず、図１（ｃ）には、テストピース５１０が検出領域３１３を前方から後方へ貫通するように横断した際に、正常な検出センサー３１０が検出した正常値Ｔが示してある。さらに、この正常値Ｔを中心に、正常な範囲であると見なしても問題がない許容範囲を設定している。そして、動作確認装置６００は、今回、検出センサー３１０から取得された検出値Ｄが、図１（ｃ）に示すように、許容範囲を超えて異常に大きくなっていた場合、又は許容範囲に至らず異常に小さくなっていた場合は、この検出値Ｄが異常値であると判別し、検出センサー３１０は正常に動作していないと、ユーザに通知する。   First, FIG. 1C shows a normal value T detected by the normal detection sensor 310 when the test piece 510 crosses the detection region 313 from the front to the rear. Further, an allowable range is set around the normal value T so that there is no problem even if it is regarded as a normal range. Then, the operation confirmation device 600 this time, when the detection value D acquired from the detection sensor 310 is abnormally large beyond the allowable range, as shown in FIG. 1C, or reaches the allowable range. If the detection value D is abnormally small, it is determined that the detection value D is an abnormal value, and the user is notified that the detection sensor 310 is not operating normally.

次に、同様にして、動作確認装置６００は、検出センサー３２０から得られた検出値Ｄについても、予め保存してある検出センサー３２０の正常値と比較して、検出センサー３２０が異常か否か判断していく。そして、検出センサー３１０と検出センサー３２０の動作確認が完了したら、ユーザは、テストピース５１０を備える設置台５００を、検出ヘッド３００の前方の搬送ベルト２００上であって、検出センサー３３０の検出領域３３３と検出センサー３４０の検出領域３４３とをテストピース５１０が横断できる位置に設置する。その後、上記と同様に、動作確認装置６００が、検出センサー３３０と検出センサー３４０の動作確認を実施する。これを、すべての検出センサーの動作確認が完了するまで、テストピース５１０を横方向へ移動させて実施していく。   Next, similarly, the operation check apparatus 600 compares the detection value D obtained from the detection sensor 320 with the normal value of the detection sensor 320 stored in advance, and determines whether or not the detection sensor 320 is abnormal. Judge. When the operation confirmation of the detection sensor 310 and the detection sensor 320 is completed, the user places the installation table 500 including the test piece 510 on the conveyance belt 200 in front of the detection head 300 and in the detection region 333 of the detection sensor 330. And the detection region 343 of the detection sensor 340 are installed at a position where the test piece 510 can cross. Thereafter, in the same manner as described above, the operation confirmation device 600 confirms the operations of the detection sensor 330 and the detection sensor 340. This is performed by moving the test piece 510 in the horizontal direction until the operation confirmation of all the detection sensors is completed.

上述したように、本実施例では、隣接する少なくとも２つの検出センサーの検出領域３１３と検出領域３２３を横断可能なテストピース５１０を用いて、当該テストピース５１０が２つの検出領域３１３と検出領域３２３を横断した際の検出値に基づいて、検出センサーの動作確認を行っている。   As described above, in this embodiment, using the test piece 510 that can cross the detection area 313 and the detection area 323 of at least two adjacent detection sensors, the test piece 510 has two detection areas 313 and 323. The operation of the detection sensor is confirmed based on the detection value when crossing the road.

つまり、隣接する検出領域３１３と検出領域３２３を横断するということは、検出領域３１３と検出領域３２３の横方向（つまり、テストピースが進入してくる方向に対して、直角方向）の全幅を横断できるので、隣接する検出領域の互いの重複部分も必ず横断することになる。そして、図１（ｃ）に示すように、各検出センサーごとに、重複部分を含めた検出領域全体の検出値を測定して、正常値と比較判断することで、各検出センサーごとの動作確認が可能となる。   That is, traversing the adjacent detection region 313 and detection region 323 traverses the entire width of the detection region 313 and detection region 323 in the lateral direction (that is, the direction perpendicular to the direction in which the test piece enters). As a result, the overlapping portions of the adjacent detection areas always cross each other. Then, as shown in FIG. 1 (c), the operation value of each detection sensor is confirmed by measuring the detection value of the entire detection region including the overlapping portion for each detection sensor and making a comparison with the normal value. Is possible.

すなわち、隣接する少なくとも２つの検出領域を横断可能なテストピースを利用することで、各検出センサーは、テストピースが重複部分を含めた自身の検出領域全体を確実に横断した際の検出値を、得ることができるので、従来技術のような、検出領域の重複部分のどの位置をテストピースが通過したかで、検出値が変化して、動作確認の精度に影響のある補完算出機能を全く考慮しなくてよい。   That is, by using a test piece that can cross at least two adjacent detection regions, each detection sensor reliably detects the detection value when the test piece has crossed its entire detection region including the overlapping portion. Because the detection value changes depending on which position of the overlapping part of the detection area passed through the test piece as in the conventional technology, the complementary calculation function that affects the accuracy of the operation check is completely considered You don't have to.

その結果、本実施例では、従来技術のように、ユーザが、検出領域のある特定の部分（隣接する検出領域が重ならない部分）に、球状のテストピースを通過させなければならないという、非常に手間のかかる作業をする必要がないのである。   As a result, in this embodiment, as in the prior art, the user must pass a spherical test piece through a specific part of the detection area (a part where adjacent detection areas do not overlap). There is no need for laborious work.

なお、図１で説明した本願発明の方法であっても、ユーザは、テストピース５１０を備える設置台５００を、検出ヘッド３００の前方であって、検出領域３１３と検出領域３２３をテストピース５１０が横断できる位置に設置する必要がある。しかしながら、検出領域３１３と検出領域３２３は幅が広く、また、テストピース５１０も線状の長尺体なので、両者を大体一致させるように配置することはユーザにとって容易である。これは、従来のように、小さい球状のテストピースを、隣接する検出領域の間を縫うように（重複部分を避けて）、特定の場所に正確に配置することに比べたら、遙かに容易であることが理解できる。   Note that even in the method of the present invention described with reference to FIG. 1, the user places the installation table 500 including the test piece 510 in front of the detection head 300, and the test piece 510 includes the detection region 313 and the detection region 323. It must be installed in a position that can be crossed. However, since the detection region 313 and the detection region 323 are wide and the test piece 510 is also a linear long body, it is easy for the user to arrange the detection region 313 and the detection region 323 so as to approximately match each other. This is much easier than traditionally placing a small spherical test piece precisely at a specific location, such as sewing between adjacent detection areas (avoid overlap). It can be understood that.

また、検出センサーの検出値には、ノイズが含まれている場合があるので、フィルター処理をしてノイズを除去したり、テストピース５１０を検出センサーへと自動で複数回横断させて、取得された複数の検出値の平均をとり、その平均値と正常値Ｔを比較してもよい。また、図１（ｃ）に示す異常値の判別は一例に過ぎず、検出値Ｄを全く検出できない場合、検出値Ｄが異様な波形を示す場合等を異常と判別するなど、その判別方法は仕様に合わせて任意に決定することができる。   In addition, since the detection value of the detection sensor may contain noise, it can be obtained by filtering to remove the noise, or automatically crossing the test piece 510 to the detection sensor multiple times. Alternatively, an average of a plurality of detected values may be taken and the average value may be compared with the normal value T. Further, the determination of the abnormal value shown in FIG. 1C is merely an example, and the determination method is such that when the detection value D cannot be detected at all, or when the detection value D shows an abnormal waveform, it is determined as abnormal. It can be arbitrarily determined according to the specifications.

なお、本実施例では、隣接する少なくとも２つの検出領域を横断可能なテストピースを利用して、当該テストピースが、隣接する検出センサーの検出領域を横断した際の検出値に基づいて、検出センサーの動作確認を行っていた。しかしながら、本実施例に限られず、１つの検出センサーの検出領域を横断可能なテストピースを利用して、当該テストピースが、当該１つの検出センサーの検出領域を横断した際の検出値に基づいて、検出センサーの動作確認を行ってもよい。この場合でも、テストピースを、１つの検出センサーの検出領域全体（勿論、隣接する検出領域との重複部分を含めて）を横断させて、その際の検出値を取得し、本実施例と同様（図１（ｃ）参照）に、動作確認を行う。そのため、従来技術のような、検出領域の重複部分のどの位置をテストピースが通過したかで、検出値が変化して、動作確認の精度に影響のある補完算出機能を、全く考慮しなくてよいのである。   In the present embodiment, a test piece capable of crossing at least two adjacent detection areas is used, and the detection sensor is based on the detection value when the test piece crosses the detection area of the adjacent detection sensor. The operation was confirmed. However, the present invention is not limited to this embodiment, and a test piece that can cross the detection region of one detection sensor is used, and the test piece is based on a detection value when the detection region of the one detection sensor crosses the detection region. The operation of the detection sensor may be checked. Even in this case, the test piece is made to traverse the entire detection region of the single detection sensor (including the overlapping portion with the adjacent detection region), and the detection value at that time is obtained. (See FIG. 1C), the operation is confirmed. Therefore, as in the prior art, the detection value changes depending on which position of the overlapping part of the detection area passed, and the complementary calculation function that affects the accuracy of operation check is not considered at all. It's good.

ただし、１つの検出センサーの検出領域を横断可能なテストピースを利用して動作確認を行うと、対象となる検出センサーの検出領域であって、隣接する検出領域の重複部分を確実に横断するように配置しなければならない。一方、隣接する少なくとも２つの検出領域を横断可能なテストピースを利用すると、確実に、テストピースが重複部分全体を通過するので、ユーザにとってテストピースの配置作業の負担軽減になる。   However, when the operation check is performed using a test piece that can cross the detection area of one detection sensor, the detection area of the target detection sensor and the overlapping portion of the adjacent detection areas are surely crossed. Must be placed in. On the other hand, when a test piece that can cross at least two adjacent detection regions is used, the test piece surely passes through the entire overlapped portion, which reduces the burden of the test piece placement work for the user.

次に、図３には、検出センサー３１０の検出領域３１３から検出センサー３５０の検出領域３５３まで横断可能なテストピース５１０Ａを示している。このテストピース５１０Ａは、長尺状の設置台５００Ａの上に設置されたものであって、図１に示すテストピース５１０と同じ形成方法により、検出センサー３１０の検出領域３１３から検出センサー３５０の検出領域３５３まで横断可能な長さにしたものである。このテストピース５１０Ａを利用して、図１で説明した本願発明の検出センサーの動作確認方法を実施すれば、一度に、検出センサー３１０から検出センサー３５０の全ての検出領域（検出領域３１３から検出領域３５３）にテストピース５１０Ａを横断させて、すべての検出センサーの動作確認を一斉に実施できるので、非常に作業効率が良くなる。このように、テストピースの長さは、任意の数の検出センサーの検出領域を横断可能な長さに設定することができ、その長さを適宜変更して、検出センサーの動作確認作業を行うことができる。   Next, FIG. 3 shows a test piece 510A that can traverse from the detection region 313 of the detection sensor 310 to the detection region 353 of the detection sensor 350. The test piece 510A is installed on a long installation base 500A, and is detected by the detection sensor 350 from the detection region 313 of the detection sensor 310 by the same formation method as the test piece 510 shown in FIG. The length can be crossed to the region 353. If the operation check method of the detection sensor of the present invention described in FIG. 1 is performed using the test piece 510A, all the detection regions (from the detection region 313 to the detection region) of the detection sensor 350 at a time are performed. 353) can be made to cross the test piece 510A and the operation check of all the detection sensors can be carried out at the same time, so that the working efficiency becomes very good. In this way, the length of the test piece can be set to a length that can traverse the detection areas of an arbitrary number of detection sensors, and the operation of the detection sensor is checked by appropriately changing the length. be able to.

なお、本願発明において、テストピースが検出センサーの検出領域を横断するとは、テストピースが検出センサーの検出領域の横方向の幅全てを一度に通過することの他にも、動作確認の精度に影響が及ばない範囲で、テストピースが検出センサーの検出領域の横方向の幅より、多少短い幅又は多少長い幅の領域まで一度に通過することも含む。   In the present invention, the fact that the test piece crosses the detection area of the detection sensor affects the accuracy of operation confirmation in addition to the test piece passing through the entire width of the detection area of the detection sensor at the same time. This includes the case where the test piece passes through a region having a width slightly shorter or longer than the width in the lateral direction of the detection region of the detection sensor at a time.

また、本願発明の動作確認方法を実施し、検出センサーが正常に動作することを確認できた場合は、当該確認事実を証明する証明書等をプリンタ等で発行して、衣類等の対象物に添付してもよい。さらに、本願発明の動作確認方法は、本実施例のように、１つの検出ヘッドを備える検針機のみではなく、特許文献１に示す先行技術のように、２つの検出ヘッドを備える検針機についても適用できる。また、本願発明の動作確認方法は、本実施例のように、検出センサーの検出領域に磁界を発生させた検針機以外にも、他の検出原理を利用した、互いの検出領域が重なる複数の検出センサーを備える検針機についても適用できる。   In addition, when the operation confirmation method of the present invention is carried out and it is confirmed that the detection sensor operates normally, a certificate etc. that proves the confirmation fact is issued by a printer or the like, and is applied to an object such as clothing. You may attach it. Furthermore, the operation confirmation method of the present invention is not only for the meter reading machine having one detection head as in this embodiment, but also for the meter reading machine having two detection heads as in the prior art shown in Patent Document 1. Applicable. In addition, the operation confirmation method of the present invention is not limited to the meter reading machine that generates a magnetic field in the detection area of the detection sensor, as in this embodiment. The present invention can also be applied to a meter reading machine having a detection sensor.

なお、本願発明の動作確認方法、検針機、及びテストピースは、上記の実施例に限定されず、特許請求の範囲に記載された範囲、実施形態の範囲で、種々の変形例、組み合わせが可能であり、これらの変形例、組み合わせもその権利範囲に含むものである。   The operation checking method, the meter reading device, and the test piece of the present invention are not limited to the above-described examples, and various modifications and combinations are possible within the scope and embodiment described in the claims. These modifications and combinations are also included in the scope of the right.

Claims (3)

衣類等の対象物内に混入した金属類の被検出物を検出する検出センサーを、複数並列に配置した検出ヘッドを備えた検針機において、前記検出センサーの動作確認を行う動作確認方法であって、
前記検出センサーの検出領域を横断可能な長さのテストピースを、前記検出センサーの検出領域へと横断させ、
その際の前記検出センサーの検出値に基づき、当該検出センサーの動作確認を行うことを特徴とする検出センサーの動作確認方法。 An operation confirmation method for confirming the operation of a detection sensor having a detection head in which a plurality of detection sensors for detecting a metal detection object mixed in an object such as clothing is arranged in parallel. ,
A test piece having a length that can cross the detection region of the detection sensor is traversed to the detection region of the detection sensor,
An operation check method for a detection sensor, wherein the operation check of the detection sensor is performed based on a detection value of the detection sensor at that time. 衣類等の対象物内に混入した金属類の被検出物を検出する検出センサーを、複数並列に配置した検出ヘッドと、
前記検出センサーの動作確認を行う動作確認装置と、を備えた検針機であって、
前記動作確認装置は、
前記検出センサーの検出領域を横断可能な長さのテストピースが、前記検出センサーの検出領域を横断した際の、前記検出センサーの検出値に基づき、当該検出センサーの動作確認を行うことを特徴とする検針機。 A detection head in which a plurality of detection sensors that detect metal detection objects mixed in an object such as clothing are arranged in parallel;
An operation check device for checking the operation of the detection sensor, and a meter reading machine comprising:
The operation check device is
A test piece having a length capable of crossing the detection region of the detection sensor performs an operation check of the detection sensor based on a detection value of the detection sensor when crossing the detection region of the detection sensor. Meter reading machine. 衣類等の対象物内に混入した金属類の被検出物を検出する検出センサーを、複数並列に配置した検出ヘッド備えた検針機に利用可能なテストピースであって、
前記検出センサーの検出領域を横断可能な長さであることを特徴とするテストピース。 A test piece that can be used in a meter reading machine equipped with a plurality of detection heads arranged in parallel with a detection sensor that detects a metal detection object mixed in an object such as clothing,
A test piece having a length capable of traversing a detection region of the detection sensor.
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