JPH0337955A - Judgement device for seal material coating in cell - Google Patents
Judgement device for seal material coating in cellInfo
- Publication number
- JPH0337955A JPH0337955A JP1171271A JP17127189A JPH0337955A JP H0337955 A JPH0337955 A JP H0337955A JP 1171271 A JP1171271 A JP 1171271A JP 17127189 A JP17127189 A JP 17127189A JP H0337955 A JPH0337955 A JP H0337955A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- judgement
- cell
- seal material
- sealant
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title abstract description 4
- 239000011248 coating agent Substances 0.000 title abstract description 3
- 238000000576 coating method Methods 0.000 title abstract description 3
- 239000000565 sealant Substances 0.000 claims description 17
- 238000003384 imaging method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 14
- 230000007246 mechanism Effects 0.000 abstract description 6
- 239000003566 sealing material Substances 0.000 description 16
- 238000007689 inspection Methods 0.000 description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000891 luminescent agent Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、電池におけるシール材の塗布判別装置に関
する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an apparatus for determining the application of a sealant in a battery.
（従来の技術）
例えばマンガン電池などにあっては、ライン上を搬送さ
れてくる電池を回転させつつ上方よりノズルを介してア
スファルトなどからなるシール材を供給し、亜鉛缶の内
周縁および炭素棒の外周に塗着させる方法が採用されて
いる。(Prior art) For example, in the case of manganese batteries, etc., a sealing material made of asphalt etc. is supplied from above through a nozzle while rotating the battery being conveyed on a line, and sealing material such as asphalt is applied to the inner periphery of the zinc can and carbon rods. The method used is to apply it to the outer periphery of the surface.
この方法によるシール材の塗布の良否の判定は、従来以
下のようにして行われていた。Determination of the quality of the application of the sealant by this method has conventionally been carried out as follows.
■前記電池の回転状態の検出と、ノズルから供給される
シール剤の有無の検出。■Detecting the rotational state of the battery and detecting the presence or absence of sealant supplied from the nozzle.
■作業者の目視確認。■Visual confirmation of workers.
■検査工程を省くとともに、塗布量不足がないように予
め過剰のシール材を供給しておき、過剰分を後の工程で
組み付けられるガスケットなどに付着させる。■In addition to omitting the inspection process, an excess amount of sealant is supplied in advance to ensure there is no insufficient amount of application, and the excess is attached to the gasket etc. that will be assembled in a later process.
（発明が解決しようとする課題）
しかし、前記■の検査方法では、機械的信頼性をベース
とし、二種類の異なった検出機構の組み合わせであるた
めに、検出のための機構が複雑かつ大規模となり易く、
その上電池が回転していることと、シール材の有無を検
出しているだけなので、塗布量や塗布状態などについて
まで検出は出来なかった。(Problem to be solved by the invention) However, the above inspection method (①) is based on mechanical reliability and is a combination of two different detection mechanisms, so the detection mechanism is complex and large-scale. It is easy to become
Furthermore, since it only detects the rotation of the battery and the presence or absence of sealant, it is not possible to detect the amount or state of application.
また■の検査方法では人の目を頼っているため、どうし
ても人為的ミスを生ずることはまぬがれず、しかも量産
現場での検査には限界がある。Furthermore, since the inspection method (■) relies on human eyes, it is inevitable that human error will occur, and furthermore, there are limits to inspection at mass production sites.
さらに■の方法では、シール材の使用が効率的でなく、
取扱にトラブルを生ずることも避けられなかった。Furthermore, in method ■, the use of sealing material is not efficient;
It was also unavoidable that troubles would arise in handling.
この発明は以上の問題点を解決するものであって、シー
ル材の塗布状態を容易かつ精度良く検出して両不良の判
別を行えるようにした電池におけるシール材の塗布判別
装置を提供することを目的としている
（課題を解決するための手段）
前記目的を達成するため、この発明は、電池をライン上
に流しつつ、電池に塗布されたシール材の塗布状態を判
別する装置であって：
前記電池のシール材塗布面を撮像する撮像手段と、この
撮像手段によって得られた画像データにより前記シール
材の面積を演算する手段と、演算結果が予め定められた
基準データにおける面積を満足するか否かを判定する手
段とを備えたことを特徴とする。The present invention solves the above-mentioned problems, and it is an object of the present invention to provide a sealing material application discriminating device for a battery that can easily and accurately detect the application state of the sealing material and distinguish between both types of defects. Objective (Means for Solving the Problem) In order to achieve the above objective, the present invention provides an apparatus for determining the application state of a sealant applied to a battery while the battery is flowing on a line, comprising: an imaging means for taking an image of the sealing material coated surface of the battery; a means for calculating the area of the sealing material from the image data obtained by the imaging means; and whether or not the calculation result satisfies the area according to predetermined reference data. The present invention is characterized by comprising means for determining whether or not.
（作 用〉
塗布されるシール材の色を他の部分と違った配色とする
ことで、その他の部分をバックグランドとして明暗の対
比が可能である。(Function) By making the color of the applied sealant different from that of other parts, it is possible to contrast the brightness and darkness with the other parts as a background.
したがって、電池のシール材塗布面を撮像し、得られた
画像データのバックグランドに対する面積比を演算し、
標準データのそれと比較すれば、検出部分の面積、すな
わちシール材の面積が、標準的な電池における塗布面積
の上下限内に入っているか否かがただちに判定できる。Therefore, the area ratio of the obtained image data to the background is calculated by taking an image of the surface of the battery where the sealant is applied.
By comparing it with that of standard data, it can be immediately determined whether the area of the detection portion, that is, the area of the sealing material, is within the upper and lower limits of the coating area in a standard battery.
そして、この結果が否と判定された場合に、警報を発生
させるか、或いはこれと同時に該当する電池をライン外
に排出することで不良品をライン上から排除できる。If the result is negative, the defective product can be removed from the line by generating an alarm or by simultaneously ejecting the corresponding battery from the line.
（実 施 例）
以下、この発明の一実施例を図面を用いて詳細に説明す
る。(Example) Hereinafter, an example of the present invention will be described in detail using the drawings.
第１図はこの発明に係るシール材の塗布判別装置を示す
ものである。FIG. 1 shows a sealing material application determination device according to the present invention.
図において、１はライン２上を順次搬送される多数のマ
ンガン電池である。ライン２の検査位置上部にはＴＶカ
メラ３が配置され、カメラ３の撮像位置には照明具４か
らの光が供給され、撮像位置に供給された電池１のシー
ル材塗布面を照射する。In the figure, 1 is a large number of manganese batteries that are sequentially transported on a line 2. A TV camera 3 is arranged above the inspection position of the line 2, and light from a lighting device 4 is supplied to the imaging position of the camera 3, and illuminates the sealing material coated surface of the battery 1 supplied to the imaging position.
前記ＴＶカメラ３は、電池１の前記シール材塗布面であ
る頂部を撮像し、このビデオ信号は画像処理部５に入力
され、ここで画像の処理が行われる。The TV camera 3 images the top portion of the battery 1, which is the surface coated with the sealant, and this video signal is input to the image processing section 5, where the image is processed.
また、前記電池１の検査位置直前の搬送ライン２上には
光電センサー６が設けられ、検査位置の直後のライン２
上には排出機構７が設けられている。Further, a photoelectric sensor 6 is provided on the conveyance line 2 immediately before the inspection position of the battery 1, and
A discharge mechanism 7 is provided on the top.
センサー６は検査位置に搬送される電池１を検出し、タ
イミング信号を前記画像処理部５に送る。The sensor 6 detects the battery 1 being transported to the inspection position and sends a timing signal to the image processing section 5.
画像処理部うではこのタイミング信号によって前記ビデ
オ信号と同期させて後述する検査処理を実行し、判定結
果の信号を出力する。The image processing section uses this timing signal to synchronize with the video signal to execute inspection processing, which will be described later, and outputs a signal representing the determination result.
実行結果が良と判別された場合には、該当する電池１は
搬送ライン２上を次の組立工程へと搬送され、また否と
判別された場合には、ブザーなどの警報が出力されると
同時に、排出機構７が作動し、該当する電池１を不良品
ストッカ８側・＼と排出する。If the execution result is determined to be good, the corresponding battery 1 is transported on the conveyance line 2 to the next assembly process, and if it is determined to be negative, an alarm such as a buzzer is output. At the same time, the ejection mechanism 7 operates and ejects the corresponding battery 1 to the defective product stocker 8 side.
前記画像処理部５は、前記ビデオ信号を複数の画素に分
解して明視野部分と暗視野部分に分割し、その比率を演
算する演算部９と、標準的な電池１のシール材の塗布に
よる明暗の比率を設定したデータ設定部１０と、前記演
算部９の演算結果と設定部１０のデータ内容を比較して
その結果が設定データの範囲内であるか否かを判定する
比較部１１、およびモニター’ｒｖ１２とからなってい
る。The image processing unit 5 includes a calculation unit 9 that decomposes the video signal into a plurality of pixels, divides the video signal into a bright field part and a dark field part, and calculates the ratio thereof, and a processing unit 9 that decomposes the video signal into a plurality of pixels and calculates the ratio thereof, and a data setting unit 10 that sets the ratio of brightness and darkness; a comparison unit 11 that compares the calculation result of the calculation unit 9 and the data content of the setting unit 10 and determines whether the result is within the range of the setting data; and monitor 'rv12.
そして、比較部１１で否と判定された場合にはその判定
出力により、前述のごとく排出機構７を作動させ、それ
以外の場合にはライン２上を次工程へと搬送することに
なるのである。If the comparator 11 makes a negative determination, the discharge mechanism 7 is operated as described above based on the determination output, and otherwise the material is transported on the line 2 to the next process. .
以上の構成において、良否判定は以下のようにしてなさ
れる。In the above configuration, the quality determination is made as follows.
第２図（ａ）は前記電池１の標準データを示すイメージ
画像であって、１ａは亜鉛缶、１ｂは亜鉛缶１ａの中心
部に突設された炭素棒である。FIG. 2(a) is an image showing the standard data of the battery 1, in which 1a is a zinc can, and 1b is a carbon rod protruding from the center of the zinc can 1a.
シール材は亜鉛缶１ａの内周部と炭素棒１ｂの外周部に
同心状に塗布される。したがって、塗布状態の理想的パ
ターンは、第２図に斜線で現すようになり、この状態は
判定用の標準パターンデータＰの面積として予め求めら
れ、他の白抜き部分をバックグランドとし、その面積に
対する実画像データの面積の下限を前記設定部１０に登
録している。The sealing material is applied concentrically to the inner periphery of the zinc can 1a and the outer periphery of the carbon rod 1b. Therefore, the ideal pattern in the application state is shown by diagonal lines in FIG. The lower limit of the area of the actual image data for the image data is registered in the setting section 10.
この標準パターンデータＰに対して、第２図（ｂ）に示
すように、井桁で現す実際の画像データＰ１の面積が下
限を上回っていた場合には、合格とし、また第２図（Ｃ
）に示すように画像データＰ２の面積が下限を下回って
いる場合には不良と判定する。For this standard pattern data P, if the area of the actual image data P1 represented by the parallel grid exceeds the lower limit as shown in FIG.
), if the area of the image data P2 is less than the lower limit, it is determined to be defective.
なお、以上の面積のみによる判定では、シール材の塗布
状態がばらついた場合に、実際には塗布部分が偏在し、
部分的に塗布されていない部分があるにもかかわらず、
全面積が下限を上回ると合格と判定される可能性がある
。Note that in the above judgment based only on the area, if the applied state of the sealant varies, the applied area may actually be unevenly distributed.
Although there are some areas that are not coated,
If the total area exceeds the lower limit, there is a possibility that the test will be judged as passing.
そこで、例えば第３図（ａ）に示すように標準パターン
データを複数箇所のエリアＰ−１〜Ｐ−４に細分化し、
この区分ごとに判定を行うようにすれば、より実際的な
判定が出来る。Therefore, for example, as shown in FIG. 3(a), the standard pattern data is subdivided into multiple areas P-1 to P-4,
If the determination is made for each category, more practical determination can be made.
例えば、第３図（ｂ）に示すように実画像データＰ１−
１〜Ｐ１−４が、全エリアＰ−１〜Ｐ−４で基準データ
の下限を上回った場合には合格とし、第３図（Ｃ）に示
すように実画像データＰ２−１〜Ｐ２−４が各エリアＰ
−１〜Ｐ−４の中の一つのエリアでも基準値を下回って
いる場合に、不良と判定することができ、より確実な判
定を行うことができる。For example, as shown in FIG. 3(b), the actual image data P1-
1 to P1-4 exceed the lower limit of the standard data in all areas P-1 to P-4, it is judged as a pass, and the actual image data P2-1 to P2-4 as shown in FIG. is each area P
If even one of the areas from -1 to P-4 is below the reference value, it can be determined to be defective, and a more reliable determination can be made.
なお、前記マンガン電池のシール材は、アスファルトな
どの黒褐色か、ワックスなどの黄褐色、またアルカリ電
池、リチウム電池のシール材はアスファルトなどの黒褐
色であるから、この部分と周囲の色とが判別できるよう
にすれば良い。Note that the sealing material for the manganese battery is blackish brown such as asphalt or yellowish brown such as wax, and the sealing material for alkaline batteries and lithium batteries is blackish brown such as asphalt, so it is possible to distinguish between this part and the surrounding color. Just do it like this.
また、判別のための補助手段としてシール剤に白色粉末
などを添加したり螢光物質などの発光剤を添加しバック
グランドと識別するようにしても良い。Further, as an auxiliary means for discrimination, a white powder or the like may be added to the sealant or a luminescent agent such as a fluorescent substance may be added to distinguish it from the background.
以下の表は本発明の装置を用いた場合の検査工程を経て
得られた電池と、従来の機械的検査方法■を経て得られ
た電池および従来の目視確認方法■を経て得られた電池
１００万個あたりの不良発生数（漏液数）を追跡調査し
た結果を示している。The table below shows batteries obtained through the inspection process using the device of the present invention, batteries obtained through the conventional mechanical inspection method (■), and 100 batteries obtained through the conventional visual inspection method (■). This shows the results of a follow-up survey of the number of defects (leakage) per 10,000 units.
なお、本発明の装置に適合すべく、本発明の電池にあっ
ては、シール材にＴｉ ０２を２０ｗｔ％添加し、バッ
クグランドとの識別を容易にしである。In addition, in order to be compatible with the device of the present invention, in the battery of the present invention, 20 wt % of Ti 02 is added to the sealing material so that it can be easily distinguished from the background.
表
（発明の効果）
以上実施例によって詳細に説明したように、この発明に
係る電池におけるシール材の塗布判別装置にあっては、
塗布されるシール材の色を他の部分と違った配色とする
ことで、その他の部分をバックグランドとして明暗の対
比を可能とし、電池表面を撮像し、得られた画像データ
のバックグランドに対する面積を演算し、標準データの
それε比較して検出部分の面積、すなわちシール材の面
積が、標準的な電池における塗布面積の上下限に入って
いるか否かを判定できるようにしたものであるから、従
来のいずれの検査方式に比べて判別の信頼性が増し、ま
た小規模な装置を既存のライン上に付設すれば良いため
、設備費の大幅な増加がなく、しかも検査自体も無人化
できる。Table (Effects of the Invention) As explained in detail through the embodiments above, in the sealing material application determination device for a battery according to the present invention,
By using a different color scheme for the sealant applied to the other parts, it is possible to contrast the brightness and darkness with the other parts as the background.The battery surface is imaged, and the area of the obtained image data relative to the background can be compared. This is because it is possible to determine whether the area of the detection part, that is, the area of the sealing material, is within the upper and lower limits of the application area for standard batteries by calculating ε and comparing it with that of standard data. , the reliability of discrimination has increased compared to any of the conventional inspection methods, and since it is only necessary to install a small-scale device on the existing line, there is no significant increase in equipment costs, and the inspection itself can be automated. .
第１図はこの発明による電池におけるシール材の塗布判
別装置の全体構成を示す説明図、第２図は同装置を用い
た良否判定の説明図、第３図は同装置を用いた良否判定
の他の例を示す説明図である。
１・・・・・・電池
２・・・・・・ライン
３・・・・・・ＴＶカメラ（撮像手段）５・・・・・・
画像処理部
９・・・・・・演算部
１０・・・データ設、定部
１１・・・比較部FIG. 1 is an explanatory diagram showing the overall configuration of a device for determining the application of a sealant in a battery according to the present invention, FIG. 2 is an explanatory diagram of a pass/fail determination using the same device, and FIG. FIG. 7 is an explanatory diagram showing another example. 1...Battery 2...Line 3...TV camera (imaging means) 5...
Image processing section 9...Calculation section 10...Data setting, setting section 11...Comparison section
Claims (1)
ール材の塗布状態を判別する装置であって前記電池のシ
ール材塗布面を撮像する撮像手段と、この撮像手段によ
って得られた画像データにより前記シール材の面積を演
算する手段と、演算結果が予め定められた基準データに
おける面積を満足するか否かを判定する手段とを備えた
ことを特徴とする電池におけるシール材の塗布判別装置
。(1) A device that determines the application state of a sealant applied to a battery while the battery is flowing on a line, and includes an imaging means for taking an image of the sealant-coated surface of the battery, and an image obtained by the imaging means. Determining the application of a sealant in a battery, comprising means for calculating the area of the sealant based on data, and means for determining whether or not the calculation result satisfies the area according to predetermined reference data. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171271A JPH0337955A (en) | 1989-07-04 | 1989-07-04 | Judgement device for seal material coating in cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171271A JPH0337955A (en) | 1989-07-04 | 1989-07-04 | Judgement device for seal material coating in cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337955A true JPH0337955A (en) | 1991-02-19 |
Family
ID=15920233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1171271A Pending JPH0337955A (en) | 1989-07-04 | 1989-07-04 | Judgement device for seal material coating in cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337955A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002003487A1 (en) * | 2000-07-03 | 2002-01-10 | Matsushita Electric Industrial Co., Ltd. | Method for producing plate of battery |
| US7223496B2 (en) | 2000-06-09 | 2007-05-29 | Matsushita Electric Industrial Co., Ltd. | Electrochemical element |
| EP2171779A1 (en) * | 2007-06-29 | 2010-04-07 | Eveready Battery Company, Inc. | Vapor transmission resistant seal members for nonaqueous electrochemical cells |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123988A (en) * | 1978-03-18 | 1979-09-26 | Yuasa Battery Co Ltd | Device for observing surface of examined piece |
| JPS6381202A (en) * | 1986-09-24 | 1988-04-12 | Mazda Motor Corp | Detection of defective primer coating |
-
1989
- 1989-07-04 JP JP1171271A patent/JPH0337955A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123988A (en) * | 1978-03-18 | 1979-09-26 | Yuasa Battery Co Ltd | Device for observing surface of examined piece |
| JPS6381202A (en) * | 1986-09-24 | 1988-04-12 | Mazda Motor Corp | Detection of defective primer coating |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7223496B2 (en) | 2000-06-09 | 2007-05-29 | Matsushita Electric Industrial Co., Ltd. | Electrochemical element |
| WO2002003487A1 (en) * | 2000-07-03 | 2002-01-10 | Matsushita Electric Industrial Co., Ltd. | Method for producing plate of battery |
| US6857171B2 (en) | 2000-07-03 | 2005-02-22 | Matsushita Electric Industrial Co., Ltd. | Method for producing plate of battery |
| EP2171779A1 (en) * | 2007-06-29 | 2010-04-07 | Eveready Battery Company, Inc. | Vapor transmission resistant seal members for nonaqueous electrochemical cells |
| EP2171779A4 (en) * | 2007-06-29 | 2011-06-15 | Eveready Battery Inc | Vapor transmission resistant seal members for nonaqueous electrochemical cells |
| AU2008284450B2 (en) * | 2007-06-29 | 2012-06-14 | Eveready Battery Company, Inc. | Vapor transmission resistant seal members for nonaqueous electrochemical cells |
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