JPH0464595B2 - - Google Patents
Info
- Publication number
- JPH0464595B2 JPH0464595B2 JP60225406A JP22540685A JPH0464595B2 JP H0464595 B2 JPH0464595 B2 JP H0464595B2 JP 60225406 A JP60225406 A JP 60225406A JP 22540685 A JP22540685 A JP 22540685A JP H0464595 B2 JPH0464595 B2 JP H0464595B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- electronic component
- lead
- light receiving
- lead terminals
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 230000005856 abnormality Effects 0.000 claims description 7
- 230000004397 blinking Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000003321 amplification Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Description
【発明の詳細な説明】
(イ) 産業上の利用分野
本発明は、集積回路（IC）等複数のリード端
子を有する電子部品をプリント基板の所定個所に
取付ける場合、該電子部品のリード端子が正常に
前記プリント基板に取付けられているか否かを検
出する電子部品の異常挿入検出装置に関する。[Detailed Description of the Invention] (a) Industrial Application Field The present invention provides a method for attaching an electronic component having multiple lead terminals such as an integrated circuit (IC) to a predetermined location on a printed circuit board. The present invention relates to an abnormal insertion detection device for an electronic component that detects whether or not it is normally attached to the printed circuit board.
(ロ) 従来技術
一般にチツプ部品と呼ばれるリードレス部品
は、真空チヤツクによる吸着によつてテープリー
ルのテープから取出し、正常な方向に位置規制を
行つた後、プリント基板の銅箔位置に装着すれ
ば、何ら問題ないが、その途中前記真空チヤツク
によつて前記チツプ部品を吸着しているか否か、
又前記プリント基板に装着されたか否かを透過式
又は反射式により、該チツプ部品の有無のみを検
出すれば事足りる。(B) Prior art Leadless parts, generally called chip parts, are taken out from the tape on a tape reel by suction with a vacuum chuck, and after regulating the position in the normal direction, are mounted on the copper foil position of a printed circuit board. There is no problem, but whether or not the chip parts are sucked by the vacuum chuck during the process,
Further, it is sufficient to detect whether or not the chip component is mounted on the printed circuit board using a transmission method or a reflection method.
ところがリード付の電子部品を同様に前記プリ
ント基板に取付ける場合、該電子部品をチヤツク
機構によつて前述と同様にテープリールのテープ
から取出し、プリント基板の所定位置に取付けた
としても、特に前記電子部品が複数のリード端子
を有するときには、その複数のリード端子が、前
記プリント基板の取付孔を通して全て正常に貫通
していなければならない。 However, when an electronic component with leads is similarly attached to the printed circuit board, even if the electronic component is taken out from the tape on the tape reel by the chuck mechanism and attached to a predetermined position on the printed circuit board in the same manner as described above, the electronic component is When a component has a plurality of lead terminals, all of the plurality of lead terminals must pass through the mounting holes of the printed circuit board normally.
そこでプリント基板の所定の位置に前記電子部
品のリード端子が挿入貫通しているか否かを検出
する例として特開昭58−218200号が挙げられる。
この従来例においては、前記リード端子の先端側
に光電変換素子を設け、異常挿入状態即ち例えば
先端が挿入されていない個所があるか又は先端が
異常に曲つてしまつた場合、それを検出する構成
である。 Therefore, Japanese Patent Laid-Open No. 58-218200 is cited as an example of detecting whether or not lead terminals of the electronic component are inserted and penetrated at predetermined positions on a printed circuit board.
In this conventional example, a photoelectric conversion element is provided on the tip side of the lead terminal, and the configuration is configured to detect an abnormal insertion state, that is, if there is a part where the tip is not inserted, or if the tip is abnormally bent. It is.
(ハ) 発明が解決しようとする問題点
前述の従来の構成によれば、プリント基板の所
定の孔に対し、電子部品のリード端子が正しく挿
入されたか否かを検出する場合、IC等のリード
端子を多数有する電子部品では、各々のリード端
子を１本ずつ全数をその挿入状態について検出し
ようとすると、光電変換素子にはそれと対応しな
い多数の光源からの光線が入力してしまい、リー
ド挿入異常の有無の検出が正確に行なえなくなる
という欠点があつた。(c) Problems to be Solved by the Invention According to the conventional configuration described above, when detecting whether or not the lead terminal of an electronic component is correctly inserted into a predetermined hole of a printed circuit board, the lead terminal of an IC, etc. For electronic components that have a large number of terminals, if you try to detect the insertion status of each lead terminal one by one, light rays from many light sources that do not correspond to the lead terminals will enter the photoelectric conversion element, resulting in abnormal lead insertion. The disadvantage is that the presence or absence of a substance cannot be detected accurately.
(ニ) 問題点を解決するための手段
本発明は、複数のリード端子を有する電子部品
をプリント基板に挿入後、前記リード端子の挿入
状態を検出する電子部品の異常挿入検出装置にお
いて、前記リード端子の各々に対応して設けられ
た投光及び受光手段と、該投光手段に夫々対応す
る光源を順次点滅させる光源点滅回路と、該光源
点滅回路により夫々の前記投光手段から順次投光
させられる光線の前記受光手段によるリード端子
の挿入状態による受光状態に基づきリード挿入異
常の有無を検出する検出手段とを備える構成であ
る。(d) Means for Solving Problems The present invention provides an abnormal insertion detection device for an electronic component that detects the insertion state of the lead terminals after inserting the electronic component having a plurality of lead terminals into a printed circuit board. A light emitting and light receiving means provided corresponding to each of the terminals, a light source blinking circuit for sequentially blinking a light source corresponding to each of the light emitting means, and a light source blinking circuit sequentially emitting light from each of the light emitting means. and a detection means for detecting the presence or absence of lead insertion abnormality based on the state of light received by the light receiving means according to the insertion state of the lead terminal.
(ホ) 作用
光源点滅手段が夫々の光源を順次点滅させる
と、夫々の投光手段は順次光線を投光し対応する
受光手段によるリード端子の挿入状態による受光
状態に基づき、検出手段はリード挿入異常の有無
を検出する。(E) Effect When the light source flashing means sequentially flashes each light source, each light emitting means sequentially emits a light beam, and based on the light reception state according to the insertion state of the lead terminal by the corresponding light receiving means, the detection means detects the insertion of the lead terminal. Detect the presence or absence of an abnormality.
(ヘ) 実施例
本発明を図面に従つて説明すると、第１図は本
発明の電子部品の異常挿入検出装置の要部構成
図、第２図は同装置の受光部を示す構成図、第３
図は同装置の要部斜視図、第４図は前記第１図に
おける説明波形図を示す。(F) Embodiments The present invention will be described with reference to the drawings. FIG. 1 is a block diagram of the main parts of the abnormal insertion detection device for electronic components of the present invention, FIG. 2 is a block diagram showing the light receiving section of the device, and FIG. 3
The figure is a perspective view of the main parts of the device, and FIG. 4 is an explanatory waveform diagram in FIG. 1.
図面において、１は複数のリード端子２，２…
を有する電子部品、３は端子孔４，４…を有する
プリント基板、５は光源として設けた発光ダイオ
ード（LED）群、６は受光素子として設けた光
電素子、８，８…は前記LED群からの光を伝送
する投光用フアイバー、９，９…は前記光電素子
に前記LED群からの光を伝送する受光用フアイ
バー、１０は前記光電素子６からの検出出力を増
幅する増幅手段、１２は前記光電素子に接続され
たカウンタ１３及びデコーダ１４を有し、前記
LEDドライバとしての点灯信号発生手段、１１
は前記増幅手段１０からの信号に基づいて挿入異
常検出処理を含めた挿入装置全般の制御を行なう
制御回路、１５は前記LED群の電源端子、１６
はクロツク端子を示す。 In the drawings, 1 indicates a plurality of lead terminals 2, 2...
3 is a printed circuit board having terminal holes 4, 4..., 5 is a group of light emitting diodes (LEDs) provided as a light source, 6 is a photoelectric element provided as a light receiving element, 8, 8... are from the above LED group 9, 9... are light-receiving fibers that transmit the light from the LED group to the photoelectric element, 10 is an amplifying means for amplifying the detection output from the photoelectric element 6, and 12 is an amplification means for amplifying the detection output from the photoelectric element 6. a counter 13 and a decoder 14 connected to the photoelectric element;
Lighting signal generation means as an LED driver, 11
15 is a control circuit for controlling the entire insertion device including insertion abnormality detection processing based on the signal from the amplification means 10; 15 is a power supply terminal for the LED group;
indicates a clock terminal.
次に本発明装置の構成及び動作について説明す
ると、プリント基板３の所定の端子孔４，４…に
対して電子部品１のリード端子２，２…を挿入す
る。 Next, the structure and operation of the apparatus of the present invention will be described. Lead terminals 2, 2, . . . of the electronic component 1 are inserted into predetermined terminal holes 4, 4, .
その後第３図に示すように投光用フアイバー
８，８…と受光用フアイバー９，９…の間に前記
リード端子２，２…が存在、即ち正常に挿入され
た状態にあれば、前記LED群５から各リード端
子に対応して時系列的に発せられた光は前記リー
ド端子によつて遮られて、受光用フアイバーに光
が到達しないので、増幅手段１０からは正常状態
であることに対応した出力が、制御回路１１に加
わり、通常の動作即ち、前記電子部品に続く、他
の電子部品の取付又は部品取付終了に伴う次のス
テツプとしてのプリント基板の排出、半田付け工
程に進める。 Thereafter, as shown in FIG. 3, if the lead terminals 2, 2... exist between the light emitting fibers 8, 8... and the light receiving fibers 9, 9..., that is, they are correctly inserted, the LED The light emitted from the group 5 in time series corresponding to each lead terminal is blocked by the lead terminal and does not reach the light receiving fiber, so that the amplification means 10 recognizes that it is in a normal state. A corresponding output is applied to the control circuit 11, and the process proceeds to normal operation, that is, to proceed with the mounting of another electronic component following the electronic component, or with the next step of ejecting the printed circuit board and soldering process upon completion of the component mounting.
一方前記電子部品１のリード端子２，２…の中
で、１本でも挿入されていないか又は折曲つてし
まつた場合、当該リード端子に対応して設けた前
記投光用フアイバー８，８…からの光が受光用フ
アイバ９，９に到達して、異常を検出し、増幅手
段１０に接続された受光用フアイバーから検出信
号が加えられれば、該増幅手段１０から制御回路
１１に異常検出信号が伝送され、該制御回路１１
の出力により、例えば電子部品のチヤツク機構
（図示せず）を制御して、前記異常検出された電
子部品１を再チヤツクして取外し、前記端子孔
２，２…に対して挿入し直すか又は新たな電子部
品をチヤツクして前記所定の端子孔に挿入する。 On the other hand, if even one of the lead terminals 2, 2... of the electronic component 1 is not inserted or is bent, the light emitting fiber 8, 8... provided corresponding to the lead terminal is found. When the light reaches the light-receiving fibers 9, 9 and an abnormality is detected, and a detection signal is added from the light-receiving fiber connected to the amplification means 10, the amplification means 10 sends an abnormality detection signal to the control circuit 11. is transmitted, and the control circuit 11
For example, by controlling the chuck mechanism (not shown) of the electronic component by the output of A new electronic component is clicked and inserted into the predetermined terminal hole.
前記投光用フアイバー及び受光用フアイバーは
共にリード端子を挾む位置に配置した例をあげた
が、リード端子に対して投光用フアイバーの先端
から出た光を反射させ、受光用フアイバーによつ
て光電素子６にその反射光を導いて、反射光があ
れば正常状態、反射光がなければ異常状態として
検出出力が前記増幅手段１０に加わり、第２図の
実施例で１本でも異常状態が検出されると、前述
の例と同様に制御回路１１により、前記チヤツク
機構を制御したり、又はプリント基板の排出又は
半田付の工程に進める。 The above example was given in which the light emitting fiber and the light receiving fiber were both placed in a position where the lead terminal was sandwiched between them. Then, the reflected light is guided to the photoelectric element 6, and if there is reflected light, it is assumed to be in a normal state, and if there is no reflected light, it is assumed to be in an abnormal state.The detection output is applied to the amplification means 10, and in the embodiment shown in FIG. When detected, the control circuit 11 controls the chuck mechanism or proceeds to the process of ejecting the printed circuit board or soldering it, as in the previous example.
ここで第１図の実施例において、カウンタ１３
の出力を４ビツトとすると、デコーダ１４の出力
は16出力が得られる。（ｎ＝16）
該デコーダ１４の出力は、第４図イに示すクロ
ツクパルス（CL）に対し、１クロツク毎にハイ
レベルからローレベルに反転して行き、１クロツ
ク周期分ずつLED群５の各LEDは前記デコーダ
１４の出力に応じて点灯する。 In the embodiment of FIG. 1, the counter 13
If the output of the decoder 14 is 4 bits, 16 outputs can be obtained from the decoder 14. (n=16) The output of the decoder 14 is inverted from high level to low level every clock in response to the clock pulse (CL) shown in FIG. The LED lights up according to the output of the decoder 14.
これは第４図ロから順次ホに示した様に、デコ
ーダ１４の出力端の，…に、前述のロ，ハ
…ホに応じた出力信号即ち点灯信号が現われ、前
記出力端の，…に接続されたLEDが各々
前記出力信号の期間T1，T2…T16だけ点灯するこ
ととなる。以上の様にLED群５の個数に応じて
カウンタ出力及びデコーダ出力を設定すれば良
い。 This is because, as shown in FIG. 4 from B to H, output signals corresponding to the above-mentioned B, H, H, etc. appear at the output ends of the decoder 14, and the lighting signals appear at the output ends of the decoder 14. The connected LEDs will each be lit for the period T 1 , T 2 . . . T 16 of the output signal. As described above, the counter output and decoder output may be set according to the number of LED groups 5.
図中抵抗１７，１７…はLEDに対する電流調
整用の抵抗を示す。 In the figure, resistors 17, 17, . . . indicate resistors for adjusting current to the LED.
(ト) 発明の効果
以上のように本発明は、受光手段の受光状態は
対応する投光手段の投光する光によるのみで他の
投光手段からの光の影響を受けないので、正確な
リード端子の挿入異常の有無の検出が行える。(G) Effects of the Invention As described above, the present invention provides accurate light reception since the light receiving state of the light receiving means is only affected by the light emitted by the corresponding light projecting means and is not affected by light from other light projecting means. It is possible to detect whether or not there is an abnormal insertion of the lead terminal.
また、光源点滅回路により夫々の投光手段に対
応する光源を順次点滅させるようにしたので、検
出手段として光電検出素子を受光手段に接続して
受光手段の受光状態を検出するようにした構成と
する場合には、各受光手段を一つの光電検出素子
に接続することでリード端子の挿入異常の有無の
検出が可能となり、検出装置の構成素子の点数を
軽減できる。 In addition, since the light source blinking circuit sequentially blinks the light sources corresponding to the respective light emitting means, a photoelectric detection element is connected to the light receiving means as a detection means to detect the light receiving state of the light receiving means. In this case, by connecting each light receiving means to one photoelectric detection element, it becomes possible to detect the presence or absence of abnormal insertion of the lead terminal, and the number of components of the detection device can be reduced.
第１図は本発明の電子部品の異常挿入検出装置
の要部構成図、第２図は同装置の受光部を示す構
成図、第３図は同装置の要部斜視図、第４図は前
該第１図における説明波形図、第５図は本発明検
出装置のブロツク図を夫々示す。
主な図番の説明、１……電子部品、２……リー
ド端子、３……プリント基板、４……端子孔、５
……LED群、６……光電素子、８……投光用フ
アイバー、９……受光用フアイバー、１０……増
幅手段、１１……制御回路、１２……点灯信号発
生手段。
FIG. 1 is a block diagram of the main parts of the abnormal insertion detection device for electronic components of the present invention, FIG. 2 is a block diagram showing the light receiving section of the device, FIG. 3 is a perspective view of the main parts of the device, and FIG. 4 is a block diagram of the main parts of the device. The explanatory waveform diagram in FIG. 1 and FIG. 5 show a block diagram of the detection device of the present invention, respectively. Explanation of main drawing numbers, 1...Electronic component, 2...Lead terminal, 3...Printed circuit board, 4...Terminal hole, 5
... LED group, 6 ... Photoelectric element, 8 ... Light emitting fiber, 9 ... Light receiving fiber, 10 ... Amplifying means, 11 ... Control circuit, 12 ... Lighting signal generating means.
Claims (1)
ト基板に挿入後、前記リード端子の挿入状態を検
出する電子部品の異常挿入検出装置において、前
記リード端子の各々に対応して設けられた投光及
び受光手段と、該投光手段に夫々対応する光源を
順次点滅させる光源点滅回路と、該光源点滅回路
により夫々の前記投光手段から順次投光させられ
る光線の前記受光手段によるリード端子の挿入状
態による受光状態に基づきリード挿入異常の有無
を検出する検出手段とを備えたことを特徴とする
電子部品の異常挿入検出装置。1. In an electronic component abnormal insertion detection device that detects the inserted state of the lead terminals after inserting the electronic component having a plurality of lead terminals into a printed circuit board, a light emitting and light receiving device is provided corresponding to each of the lead terminals. a light source blinking circuit that sequentially blinks the light sources corresponding to the light projecting means, and a state in which a lead terminal is inserted by the light receiving means of the light beam sequentially emitted from each of the light projecting means by the light source blinking circuit; What is claimed is: 1. An abnormality insertion detection device for an electronic component, comprising: detection means for detecting the presence or absence of lead insertion abnormality based on a light receiving state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60225406A JPS6283673A (en) | 1985-10-09 | 1985-10-09 | Apparatus for detecting abnormal insertion of electronic parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60225406A JPS6283673A (en) | 1985-10-09 | 1985-10-09 | Apparatus for detecting abnormal insertion of electronic parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6283673A JPS6283673A (en) | 1987-04-17 |
| JPH0464595B2 true JPH0464595B2 (en) | 1992-10-15 |
Family
ID=16828863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60225406A Granted JPS6283673A (en) | 1985-10-09 | 1985-10-09 | Apparatus for detecting abnormal insertion of electronic parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6283673A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55105288U (en) * | 1979-01-18 | 1980-07-23 | ||
| JPS56117377U (en) * | 1980-02-08 | 1981-09-08 |
-
1985
- 1985-10-09 JP JP60225406A patent/JPS6283673A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6283673A (en) | 1987-04-17 |
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