Method and apparatus for evaluating an ultrasonic weld junction
A method and a test fixture for evaluating a battery cell are described, wherein the battery cell is composed of a cell body having a plurality of electrode foils that are joined to both a positive terminal and a negative terminal at weld junctions. The method includes retaining the cell body of the...
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| creator | CAI, WAYNE W RINKER, TERESA J LIN, QIAN MOOTE, JOHN M OTTOMANO, ANTHONY CHAKRABORTY, DEBEJYO |
| description | A method and a test fixture for evaluating a battery cell are described, wherein the battery cell is composed of a cell body having a plurality of electrode foils that are joined to both a positive terminal and a negative terminal at weld junctions. The method includes retaining the cell body of the battery cell in a first clamping device and gripping one of the positive and negative terminals in a terminal gripper. A dynamic stress end effector coupled to the terminal gripper is employed to apply a vibrational excitation load to the one of the positive and negative terminals. Impedance between the positive terminal and the negative terminal is monitored via a controller, and integrity of the weld junction of the one of the positive and negative terminals is evaluated based upon the impedance.
描述了种用于评估电池单元的方法和测试夹具，其中电池单元由具有多个电极箔的单元本体组成，电极箔在焊接接头处与正极端子和负极端子两者接合。该方法包括将电池单元的单元本体保持在第夹持装置中，并将正极端子和负极端子中的者抓持在端子抓持器中。采用联接到端子抓持器的动态应力端部执行器，向所述正极和负极端子中的那者施加振动激励载荷；通过控制器监测正极端子和负极端子之间的阻抗，并且基于阻抗来评估正极端子和负极端子中的那者的焊接接头的完整性。 |
| format | Patent |
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描述了种用于评估电池单元的方法和测试夹具，其中电池单元由具有多个电极箔的单元本体组成，电极箔在焊接接头处与正极端子和负极端子两者接合。该方法包括将电池单元的单元本体保持在第夹持装置中，并将正极端子和负极端子中的者抓持在端子抓持器中。采用联接到端子抓持器的动态应力端部执行器，向所述正极和负极端子中的那者施加振动激励载荷；通过控制器监测正极端子和负极端子之间的阻抗，并且基于阻抗来评估正极端子和负极端子中的那者的焊接接头的完整性。</description><language>chi ; eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171212&DB=EPODOC&CC=CN&NR=107462610A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171212&DB=EPODOC&CC=CN&NR=107462610A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CAI, WAYNE W</creatorcontrib><creatorcontrib>RINKER, TERESA J</creatorcontrib><creatorcontrib>LIN, QIAN</creatorcontrib><creatorcontrib>MOOTE, JOHN M</creatorcontrib><creatorcontrib>OTTOMANO, ANTHONY</creatorcontrib><creatorcontrib>CHAKRABORTY, DEBEJYO</creatorcontrib><title>Method and apparatus for evaluating an ultrasonic weld junction</title><description>A method and a test fixture for evaluating a battery cell are described, wherein the battery cell is composed of a cell body having a plurality of electrode foils that are joined to both a positive terminal and a negative terminal at weld junctions. The method includes retaining the cell body of the battery cell in a first clamping device and gripping one of the positive and negative terminals in a terminal gripper. A dynamic stress end effector coupled to the terminal gripper is employed to apply a vibrational excitation load to the one of the positive and negative terminals. Impedance between the positive terminal and the negative terminal is monitored via a controller, and integrity of the weld junction of the one of the positive and negative terminals is evaluated based upon the impedance.
描述了种用于评估电池单元的方法和测试夹具，其中电池单元由具有多个电极箔的单元本体组成，电极箔在焊接接头处与正极端子和负极端子两者接合。该方法包括将电池单元的单元本体保持在第夹持装置中，并将正极端子和负极端子中的者抓持在端子抓持器中。采用联接到端子抓持器的动态应力端部执行器，向所述正极和负极端子中的那者施加振动激励载荷；通过控制器监测正极端子和负极端子之间的阻抗，并且基于阻抗来评估正极端子和负极端子中的那者的焊接接头的完整性。</description><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD3TS3JyE9RSMwD4oKCxKLEktJihbT8IoXUssSc0sSSzLx0oKRCaU5JUWJxfl5mskJ5ak6KQlZpXnJJZn4eDwNrWmJOcSovlOZmUHRzDXH20E0tyI9PLS5ITE7NSy2Jd_YzNDA3MTMyMzRwNCZGDQCmOzEh</recordid><startdate>20171212</startdate><enddate>20171212</enddate><creator>CAI, WAYNE W</creator><creator>RINKER, TERESA J</creator><creator>LIN, QIAN</creator><creator>MOOTE, JOHN M</creator><creator>OTTOMANO, ANTHONY</creator><creator>CHAKRABORTY, DEBEJYO</creator><scope>EVB</scope></search><sort><creationdate>20171212</creationdate><title>Method and apparatus for evaluating an ultrasonic weld junction</title><author>CAI, WAYNE W ; RINKER, TERESA J ; LIN, QIAN ; MOOTE, JOHN M ; OTTOMANO, ANTHONY ; CHAKRABORTY, DEBEJYO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN107462610A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>CAI, WAYNE W</creatorcontrib><creatorcontrib>RINKER, TERESA J</creatorcontrib><creatorcontrib>LIN, QIAN</creatorcontrib><creatorcontrib>MOOTE, JOHN M</creatorcontrib><creatorcontrib>OTTOMANO, ANTHONY</creatorcontrib><creatorcontrib>CHAKRABORTY, DEBEJYO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CAI, WAYNE W</au><au>RINKER, TERESA J</au><au>LIN, QIAN</au><au>MOOTE, JOHN M</au><au>OTTOMANO, ANTHONY</au><au>CHAKRABORTY, DEBEJYO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method and apparatus for evaluating an ultrasonic weld junction</title><date>2017-12-12</date><risdate>2017</risdate><abstract>A method and a test fixture for evaluating a battery cell are described, wherein the battery cell is composed of a cell body having a plurality of electrode foils that are joined to both a positive terminal and a negative terminal at weld junctions. The method includes retaining the cell body of the battery cell in a first clamping device and gripping one of the positive and negative terminals in a terminal gripper. A dynamic stress end effector coupled to the terminal gripper is employed to apply a vibrational excitation load to the one of the positive and negative terminals. Impedance between the positive terminal and the negative terminal is monitored via a controller, and integrity of the weld junction of the one of the positive and negative terminals is evaluated based upon the impedance.
描述了种用于评估电池单元的方法和测试夹具，其中电池单元由具有多个电极箔的单元本体组成，电极箔在焊接接头处与正极端子和负极端子两者接合。该方法包括将电池单元的单元本体保持在第夹持装置中，并将正极端子和负极端子中的者抓持在端子抓持器中。采用联接到端子抓持器的动态应力端部执行器，向所述正极和负极端子中的那者施加振动激励载荷；通过控制器监测正极端子和负极端子之间的阻抗，并且基于阻抗来评估正极端子和负极端子中的那者的焊接接头的完整性。</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Method and apparatus for evaluating an ultrasonic weld junction |
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