JP2002035701A - Method and apparatus for tea production - Google Patents
Method and apparatus for tea productionInfo
- Publication number
- JP2002035701A JP2002035701A JP2000223894A JP2000223894A JP2002035701A JP 2002035701 A JP2002035701 A JP 2002035701A JP 2000223894 A JP2000223894 A JP 2000223894A JP 2000223894 A JP2000223894 A JP 2000223894A JP 2002035701 A JP2002035701 A JP 2002035701A
- Authority
- JP
- Japan
- Prior art keywords
- tea
- inspection
- making
- foreign matter
- conveyor
- 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
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Sorting Of Articles (AREA)
- Tea And Coffee (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、製茶加工し、異物が残
っているかを検査する方法と装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for processing tea and checking whether foreign matter remains.
【０００２】[0002]
【従来の技術】製茶工場には、比重選別機、粒度選別
機、静電気帯電選別機、磁力選別機などの製茶用選別機
が備えられている。製茶工場によって、すべての製茶用
選別機を備えているところや、上記の製茶用選別機のう
ちの一つしか備えていないところなど、さまざまであ
る。そして、その後、そのまま袋に詰めて出荷する、ま
たは、最終袋詰工程の搬送コンベヤ通過中の茶葉を作業
者が目視して、検査をしていた。2. Description of the Related Art A tea factory is equipped with a tea-making sorter such as a specific gravity sorter, a particle size sorter, an electrostatic charge sorter, and a magnetic force sorter. Depending on the tea factory, there are places where all sorters for tea making are provided and places where only one of the above sorters for tea making is provided. Then, after that, an operator visually inspects the tea leaves that are packed in a bag and shipped, or the tea leaves that have passed through the conveyor in the final bag packing process.
【０００３】[0003]
【発明が解決しようとする課題】従来、製茶用選別機を
通っても、製茶用選別機では選別できない異物もあるの
で、作業者が目視して検査をしていた。しかし、この検
査は、人手であるために、人件費がかかる、処理能力が
悪い、持続性が悪い、体調や主観などで左右される等の
問題があった。また、茶葉は蒸し度あるいは製品の種
類、ブレンド状態などにより、形状、大きさ、粒度分布
などが一定でなく、かつ、複雑で、判断も困難であっ
た。Heretofore, even if the foreign matter cannot be sorted by the tea-making sorter even after passing through the tea-making sorter, the operator has visually inspected the foreign matter. However, this test has problems such as labor costs, poor processing ability, poor sustainability, and physical and subjective effects due to manual labor. Further, the shape, size, particle size distribution, and the like of tea leaves are not constant, complicated, and difficult to determine depending on the degree of steaming, the type of product, the blending state, and the like.
【０００４】[0004]
【課題を解決するための手段】この発明は上記のような
課題を解決するため、以下のような手段をとる。 製茶工場に備えたすべての製茶用選別機により選別を
終了した茶葉を検査用コンベヤ上にのせ、該検査コンベ
ヤ上で、色彩情報と外観情報のいずれか一方または両方
を測定し、測定値と予め定めた設定値とを比較し、異物
の有無を判断する製茶用異物検査方法。 製茶工場に備えたすべての製茶用選別機により選別を
終了した茶葉を検査用コンベヤ上にのせ、検査コンベヤ
上で金属を検知し、異物の有無を判断する製茶用異物検
査方法。 製茶用選別手段と、検査用コンベヤと、該検査用コン
ベヤ上に備えた色彩情報と外観情報のいずれか一方また
は両方の測定手段とより構成する製茶用異物検査装置。 製茶用選別手段と、検査用コンベヤと、該検査用コン
ベヤ上に備えた金属検出手段とより構成する製茶用異物
検査装置。 製茶用選別手段と、検査用コンベヤと、該検査用コン
ベヤ上に備えた色彩情報と外観情報のいずれか一方また
は両方の測定手段と、該検査用コンベヤ上に備えた金属
検出手段とより構成する製茶用異物検査装置。The present invention employs the following means to solve the above-mentioned problems. The tea leaves that have been sorted by all the tea-making sorters provided in the tea factory are placed on an inspection conveyor, and one or both of the color information and the appearance information are measured on the inspection conveyor. A foreign matter inspection method for tea production that compares the determined set value with the presence of foreign matter. A tea-making foreign material inspection method for placing tea leaves, which have been sorted by all tea-making sorters provided in a tea factory, on an inspection conveyor, detecting metal on the inspection conveyor, and determining the presence or absence of foreign matter. An apparatus for inspecting foreign matter for tea, comprising a tea-selecting means, an inspection conveyor, and one or both of color information and appearance information measuring means provided on the inspection conveyor. An apparatus for inspecting foreign matter for tea making, comprising: means for sorting tea, a conveyor for inspection, and metal detecting means provided on the conveyor for inspection. It comprises tea-making sorting means, an inspection conveyor, one or both of color information and appearance information measurement means provided on the inspection conveyor, and a metal detection means provided on the inspection conveyor. Foreign material inspection device for tea production.
【０００５】[0005]
【発明の実施の形態】本発明は、比重選別機、粒度選別
機、静電気帯電選別機、磁力選別機などの製茶工場に備
えた製茶用選別機を通過して、選別が終了した茶葉を検
査用コンベヤ上で、色彩情報と外観情報のいずれか一方
または両方を測定し、予め設定した設定値と測定値を比
較し、異なるものを異物とする。また、検査用コンベヤ
上で、金属を検知し、異物とする。BEST MODE FOR CARRYING OUT THE INVENTION The present invention inspects tea leaves which have been sorted by passing through a tea-making sorter provided in a tea factory such as a specific gravity sorter, a particle size sorter, an electrostatic charge sorter, and a magnetic force sorter. Either or both of the color information and the appearance information are measured on the conveyor, and the measured value is compared with a preset set value. In addition, metal is detected on the inspection conveyor and is determined as foreign matter.
【０００６】[0006]
【実施例】実施例について、図面を参照して説明する。
本実施例は、磁力選別機、静電気帯電選別機を備えた製
茶工場の例である。１は茶葉供給ホッパであり、検査す
る茶葉をまずここへ投入する。２はサン付傾斜コンベ
ヤ、３はカキナラシ装置であり、茶葉供給ホッパ１へ投
入した茶葉を、サン付傾斜コンベヤ２で搬送し、傾斜と
カキナラシ装置３により一定の量にして、茶葉を搬送す
る。４は磁石であり、本実施例ではこの磁石４が磁力選
別機である。１０は、茶葉を静電気帯電選別機へ供給す
る電磁フィーダである。１１は静電気を帯びた異物を茶
葉から分離するための帯電ロール、１２は帯電ロール１
１に付着した異物を掻き取るスクレーパ、１３はスクレ
ーパ１２で掻き取った異物の回収箱、１４は帯電ロール
１１に静電気を発生させるマイナス極性直流高電圧発生
器（以下、静電気発生器）である。本実施例では、電磁
フィーダ１０、帯電ロール１１、スクレーパ１２、回収
箱１３、静電気発生器１４が静電気帯電選別機を構成す
る。帯電ロール１１の強弱は、静電気発生器１４によ
り、必要に応じて調整可能である。Embodiments will be described with reference to the drawings.
The present embodiment is an example of a tea factory equipped with a magnetic sorting machine and an electrostatic charging sorting machine. Reference numeral 1 denotes a tea leaf supply hopper, into which tea leaves to be inspected are first put. Reference numeral 2 denotes an inclined conveyor with a sun, and reference numeral 3 denotes an oyster device, which transports the tea leaves supplied to the tea leaf supply hopper 1 by an inclined conveyor 2 with a sun and sets a constant amount by the inclination and oyster device 3 to convey the tea leaves. Reference numeral 4 denotes a magnet, and in this embodiment, the magnet 4 is a magnetic separator. Numeral 10 denotes an electromagnetic feeder for supplying tea leaves to an electrostatic charging sorter. Reference numeral 11 denotes a charging roll for separating an electrostatically charged foreign substance from tea leaves, and 12 denotes a charging roll 1.
Reference numeral 1 denotes a scraper for scraping off foreign matter adhering, 13 denotes a collection box for the foreign matter scraped off by the scraper 12, and 14 denotes a negative polarity DC high voltage generator (hereinafter referred to as an electrostatic generator) for generating static electricity on the charging roll 11. In this embodiment, the electromagnetic feeder 10, the charging roll 11, the scraper 12, the collection box 13, and the static electricity generator 14 constitute an electrostatic charge sorting machine. The strength of the charging roll 11 can be adjusted by the static electricity generator 14 as needed.
【０００７】１５は、製茶用選別機を通過した茶葉をの
せる検査用コンベヤである。１６は茶葉の外観（色彩情
報を含む）を認識するＣＣＤカメラ（測定手段）であ
り、１７は検査コンベヤ１５を覆うカバー、１８は光源
である。この光源１８の色は、必要に応じて変更可能で
ある。ここで、外観情報を認識する。ＣＣＤカメラ１６
には、色彩情報を含む外観情報を認識できるものと、色
彩情報を含まない外観情報を認識できるものがあり、ど
ちらでも構わない。また、ＣＣＤカメラの代りに、色彩
情報のみを認識できるカラーセンサでもよい。１９は金
属検知手段であり、本実施例では磁界を発生する高周波
磁界コイルで構成した金属検出器である。２０はコント
ロールボックスであり、測定値と比較するための設定値
を定めておき、比較、判断をする。色・形状などの設定
は複数セットでき、茶葉の性状、製品の種類などで、切
換えが即座に行える。また、コントロールボックス２０
では、金属検知器１９が金属を検知したときにも、信号
を受け、異物が混入していることを判断する。[0007] Reference numeral 15 denotes an inspection conveyor on which tea leaves having passed through a tea-sorting machine are placed. Reference numeral 16 denotes a CCD camera (measuring means) for recognizing the appearance (including color information) of the tea leaves, reference numeral 17 denotes a cover for covering the inspection conveyor 15, and reference numeral 18 denotes a light source. The color of the light source 18 can be changed as needed. Here, the appearance information is recognized. CCD camera 16
There are two types, one that can recognize appearance information including color information and one that can recognize appearance information that does not include color information. Further, instead of the CCD camera, a color sensor capable of recognizing only color information may be used. Reference numeral 19 denotes a metal detector, which in this embodiment is a metal detector constituted by a high-frequency magnetic field coil for generating a magnetic field. Reference numeral 20 denotes a control box which determines a set value to be compared with the measured value, and performs comparison and judgment. A plurality of settings such as color and shape can be set, and switching can be performed immediately according to the properties of the tea leaves and the type of product. In addition, the control box 20
Then, when the metal detector 19 detects a metal, it also receives a signal and determines that a foreign substance has entered.
【０００８】本実施例の動作を説明する。まず、茶葉を
茶葉供給ホッパ１へ投入する。投入された茶葉を、サン
付傾斜コンベヤ２、カキナラシ装置３により、一定量づ
つ搬送する。磁力選別機である磁石４付近を茶葉が通過
するとき、磁性のあるもの（磁性物）が混ざっている
と、その磁性物を磁石４に引き寄せ、茶葉中から除去す
る。磁性物を除去された茶葉は、くずれおちるように、
電磁フィーダ１０上に落下する。ここで、平均に均さ
れ、検査コンベヤ１４へ送られつつ、ビニール片・毛髪
類などの異物があれば、帯電ロール１１に吸い寄せられ
る。そして、帯電ロール１１に付着した異物をスクレー
パ１２で掻き落して、回収箱１３へ落下する。The operation of the embodiment will be described. First, the tea leaves are put into the tea supply hopper 1. The supplied tea leaves are conveyed by a fixed amount by the inclined conveyor 2 with sun and the oyster machine 3. When tea leaves pass near the magnet 4 which is a magnetic separator, if a magnetic material (magnetic material) is mixed, the magnetic material is attracted to the magnet 4 and removed from the tea leaves. As tea leaves from which magnetic substances have been removed,
It falls on the electromagnetic feeder 10. Here, if there is any foreign matter such as a piece of vinyl or hair while being averaged and sent to the inspection conveyor 14, it is attracted to the charging roll 11. Then, the foreign matter adhering to the charging roll 11 is scraped off by the scraper 12 and falls into the collection box 13.
【０００９】選別を終了した茶葉は、検査コンベヤ１５
上に落下し、コントロールボックス２０に予め定めてあ
る色・形状などの外観情報と、ＣＣＤカメラ１６が測定
中の色・形状などの外観情報の中から、設定以外の情報
があれば異物と判断する。そして、検査コンベヤ１５、
電磁フィーダ１０、サン付傾斜コンベヤ２などを停止さ
せて、異常を作業者に知らせるか、または、自動的に機
外へ除去する。つぎに、金属検知器１９を茶葉が通過
し、磁性・非磁性金属の微細片でも存在すると、発生し
ている磁界に乱れが生じ、金属があることを検知する。
ここでも、異物があると判断すれば、検査コンベヤ１
５、電磁フィーダ１０、サン付傾斜コンベヤ２などを停
止させて、異常を作業者に知らせるか、または、自動的
に機外へ除去する。異物検知後、異物を取り除いた茶葉
のみが袋に詰められ、出荷される。[0009] The tea leaves which have been sorted out are inspected by a conveyor 15.
It falls down and is determined to be a foreign object if there is information other than the setting from the appearance information such as the color and shape predetermined in the control box 20 and the color and shape being measured by the CCD camera 16. I do. And the inspection conveyor 15,
The electromagnetic feeder 10, the inclined conveyor 2 with the sun, and the like are stopped to notify the operator of the abnormality or to automatically remove the abnormality from the machine. Next, if the tea leaves pass through the metal detector 19 and there is a fine piece of magnetic or non-magnetic metal, the generated magnetic field is disturbed, and it is detected that metal exists.
Again, if it is determined that there is a foreign substance, the inspection conveyor 1
5. Stop the electromagnetic feeder 10, the inclined conveyor 2 with the sun, etc. to notify the operator of the abnormality or automatically remove the abnormality to the outside of the machine. After detecting the foreign matter, only the tea leaves from which the foreign matter has been removed are packed in a bag and shipped.
【００１０】本実施例では、磁力選別機と静電気帯電選
別機を備えた製茶工場の例を示したが、その他の製茶用
選別機でも良い。また、ＣＣＤカメラと金属検知器の両
方を設けるときには、順番はこの限りではなく、反対で
も構わないし、カラーセンサと金属検知器の組合せでも
良く、カラーセンサ、ＣＣＤカメラ、金属検知器のいず
れか一つのみでもよい。In this embodiment, an example of a tea factory equipped with a magnetic sorting machine and an electrostatic charging sorting machine has been described, but other tea-making sorting machines may be used. When both a CCD camera and a metal detector are provided, the order is not limited to this, and the order may be reversed, a combination of a color sensor and a metal detector may be used, and any one of a color sensor, a CCD camera, and a metal detector may be used. Only one may be used.
【００１１】[0011]
【発明の効果】製茶用選別機で選別をした後の茶葉を検
査することで、検査に掛かる異物が少なくて済む。ま
た、最終段階で検査を行なうことで茶製品の品質が向上
する。また、目視ではなく、検査するための装置を用い
ることで、処理速度が速く、作業者の負担が軽減され、
安定した検査を行なうことが出来る。According to the present invention, by inspecting the tea leaves that have been sorted by the tea-making sorter, it is possible to reduce the number of foreign substances involved in the inspection. In addition, the quality of the tea product is improved by performing the inspection at the final stage. In addition, by using a device for inspection instead of visual inspection, the processing speed is high, the burden on the operator is reduced,
Stable inspection can be performed.
【図１】本実施例の正面図。FIG. 1 is a front view of the present embodiment.
１ 茶葉供給ホッパ ２ サン付傾斜コンベヤ ３ カキナラシ装置 ４ 磁石 １０ 電磁フィーダ １１ 帯電ロール １２ スクレーパ １３ 回収箱 １４ マイナス極性直流高電圧発生器（静電気発生器） １５ 検査用コンベヤ １６ ＣＣＤカメラ １７ カバー １８ 光源 １９ 金属検知器 ２０ コントロールＢＯＸ DESCRIPTION OF SYMBOLS 1 Tea-leaf supply hopper 2 Inclined conveyor with sun 3 Sharpener device 4 Magnet 10 Electromagnetic feeder 11 Charging roll 12 Scraper 13 Collection box 14 Negative-polarity DC high voltage generator (static generator) 15 Conveyor for inspection 16 CCD camera 17 Cover 18 Light source 19 Metal Detector 20 Control Box
フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｇ０１Ｎ 27/72 Ｇ０１Ｎ 27/72 (72)発明者 大石 正幸 静岡県榛原郡金谷町牛尾869−１ 株式会 社寺田製作所内 Ｆターム(参考） 2G051 AA01 AA90 AB20 CA04 DA01 DA06 DA17 EA17 EB01 2G053 AA13 AB21 BA12 BB03 BC02 BC14 CA03 3F079 AC08 BA05 CA44 CB04 CB09 CB29 CB31 CB35 CC01 DA11 4B027 FB02 FC10 FP90 FR17 Continued on the front page (51) Int.Cl. 7 Identification FI FI Theme Court II (Reference) G01N 27/72 G01N 27/72 (72) Inventor Masayuki Oishi 869-1 Ushio, Kanaya-cho, Haibara-gun, Shizuoka Pref. F term (reference) 2G051 AA01 AA90 AB20 CA04 DA01 DA06 DA17 EA17 EB01 2G053 AA13 AB21 BA12 BB03 BC02 BC14 CA03 3F079 AC08 BA05 CA44 CB04 CB09 CB29 CB31 CB35 CC01 DA11 4B027 FB02 FC10 FP90 FR17
Claims (5)
により選別を終了した茶葉を検査用コンベヤ上にのせ、
該検査コンベヤ上で、色彩情報と外観情報のいずれか一
方または両方を測定し、測定値と予め定めた設定値とを
比較し、異物の有無を判断することを特徴とする製茶用
異物検査方法。1. A tea leaf, which has been sorted by all tea-making sorters provided in a tea-making factory, is placed on an inspection conveyor,
A method of measuring one or both of the color information and the appearance information on the inspection conveyor, comparing the measured value with a predetermined set value, and judging the presence or absence of foreign matter, the method for inspecting foreign matter for tea making. .
により選別を終了した茶葉を検査用コンベヤ上にのせ、
検査コンベヤ上で金属を検知し、異物の有無を判断する
ことを特徴とする製茶用異物検査方法。2. Tea leaves having been sorted by all tea-making sorters provided in a tea factory are placed on an inspection conveyor,
A foreign matter inspection method for tea manufacturing, comprising detecting metal on an inspection conveyor and determining the presence or absence of foreign matter.
該検査用コンベヤ上に備えた色彩情報と外観情報のいず
れか一方または両方の測定手段とより構成することを特
徴とする製茶用異物検査装置。3. A tea-making sorter, an inspection conveyor,
A foreign matter inspection device for tea-making, comprising: one or both of color information and appearance information measurement means provided on the inspection conveyor.
該検査用コンベヤ上に備えた金属検出手段とより構成す
ることを特徴とする製茶用異物検査装置。4. A tea-making sorting means, an inspection conveyor,
A foreign matter inspection device for tea making, comprising: a metal detection means provided on the inspection conveyor.
該検査用コンベヤ上に備えた色彩情報と外観情報のいず
れか一方または両方の測定手段と、該検査用コンベヤ上
に備えた金属検出手段とより構成することを特徴とする
製茶用異物検査装置。5. A tea-making sorter, an inspection conveyor,
A foreign matter inspection device for tea-making, comprising: one or both of color information and appearance information measurement means provided on the inspection conveyor; and metal detection means provided on the inspection conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000223894A JP2002035701A (en) | 2000-07-25 | 2000-07-25 | Method and apparatus for tea production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000223894A JP2002035701A (en) | 2000-07-25 | 2000-07-25 | Method and apparatus for tea production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002035701A true JP2002035701A (en) | 2002-02-05 |
Family
ID=18717930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000223894A Pending JP2002035701A (en) | 2000-07-25 | 2000-07-25 | Method and apparatus for tea production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002035701A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002272367A (en) * | 2001-03-22 | 2002-09-24 | Kawasaki Kiko Co Ltd | Apparatus for removing foreign material |
| JP2002272371A (en) * | 2001-03-22 | 2002-09-24 | Kawasaki Kiko Co Ltd | Apparatus for removing foreign material |
| JP2005066434A (en) * | 2003-08-22 | 2005-03-17 | Anzai Sogo Kenkyusho:Kk | Apparatus for sorting foreign matter in tea leaf |
| CN104492731A (en) * | 2015-01-19 | 2015-04-08 | 无锡桑尼安科技有限公司 | Intelligent tea sorting system based on old leaf recognition |
| CN106179998A (en) * | 2016-08-26 | 2016-12-07 | 福建品品香茶业有限公司 | A kind of tea color sorter |
-
2000
- 2000-07-25 JP JP2000223894A patent/JP2002035701A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002272367A (en) * | 2001-03-22 | 2002-09-24 | Kawasaki Kiko Co Ltd | Apparatus for removing foreign material |
| JP2002272371A (en) * | 2001-03-22 | 2002-09-24 | Kawasaki Kiko Co Ltd | Apparatus for removing foreign material |
| JP4633950B2 (en) * | 2001-03-22 | 2011-02-16 | カワサキ機工株式会社 | Foreign matter removal device |
| JP2005066434A (en) * | 2003-08-22 | 2005-03-17 | Anzai Sogo Kenkyusho:Kk | Apparatus for sorting foreign matter in tea leaf |
| CN104492731A (en) * | 2015-01-19 | 2015-04-08 | 无锡桑尼安科技有限公司 | Intelligent tea sorting system based on old leaf recognition |
| CN104492731B (en) * | 2015-01-19 | 2016-12-28 | 盛泽明 | The intelligent Folium Camelliae sinensis sorting system identified based on Lao Ye |
| CN106179998A (en) * | 2016-08-26 | 2016-12-07 | 福建品品香茶业有限公司 | A kind of tea color sorter |
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