AUTOMATIC MEASURING APPARATUS FOR OUTER DIAMETER OF JELLY-ROLL AND AUTO CALIBRATION METHOD FOR OUTER DIAMETER OF JELLY-ROLL

The present invention relates to an apparatus and a method for automatically measuring an outer diameter of a jelly-roll. The apparatus for automatically measuring an outer diameter of a jelly-roll comprises: a tray transported by a conveyor and provided with a seating surface on which a negative po...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, BUB KI, LEE, JUNG KYU, LEE, DONG SUB, MOON, JUN HO, PAENG, KI HOON, OH, HWAN JUN, KIM, MYOUNG YUN, CHUNG, JIN HAE, YU, HYO SEON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TESTING
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Beschreibung
Zusammenfassung:	The present invention relates to an apparatus and a method for automatically measuring an outer diameter of a jelly-roll. The apparatus for automatically measuring an outer diameter of a jelly-roll comprises: a tray transported by a conveyor and provided with a seating surface on which a negative polarity sheet, a positive polarity sheet, a separation sheet, and a wound jelly-roll are placed; and a laser sensor disposed in a close proximity to the tray to measure the outer diameter of the jelly-roll. According to the present invention, the outer diameter can be automatically measured, and thus the outer diameter can be continuously inspected during a process. When an abnormality in the outer diameter of a jelly-roll is detected, an immediate adjustment can be made to reduce defects related to the outer diameter of a jelly-roll such as a jelly-roll case insertion defect during an assembling process. Accordingly, the product quality of a secondary battery can be easily managed. 본 발명은 젤리롤 외경 자동 측정 장치 및 젤리롤 외경 자동 측정 방법에 관한 것으로서, 컨베이어에 의해 이송되며, 음극 시트와 양극 시트 및 분리막 시트가 권취된 젤리롤이 안착되는 안착면이 마련되는 트레이와; 상기 트레이와 인접하게 위치하여 상기 젤리롤의 외경을 측정하는 레이저 센서를 포함하는 것을 특징으로 한다. 본 발명에 의하면, 자동으로 외경을 측정할 수 있어 공정 도중 계속적으로 외경을 검사할 수 있으며, 젤리롤 외경에 이상이 발견될 경우 즉각적인 조정이 가능하여 조립 공정 시 젤리롤의 케이스 삽입 불량과 같은 젤리롤 외경과 관련된 공정 상 불량을 줄일 수 있다. 이에 원형 이차전지의 품질 관리에 용이한 효과가 있다.