Acculogic Corporation

Karim Dehkordi

Farokh Eshragi Azar

Paul Bennett

Saeed Taheri

Bogdan Paraschiv

Greg Leblonc

James Jerome Wagner

Farhad Fahimi

Arthur Schott

Daniel Marques

Farokh Azar

Apparatus () and method for testing cell contact of battery cells () of a battery module (), which battery cells are electrically connected in parallel via a contacting system (). The apparatus includes a sensor positioning system () for positioning a sensor device () at a plurality of test points () of the battery module, which is movable along a longitudinal axis (X), a transverse axis (Y), and a vertical axis (Z), and a current generation circuit () for generating a battery cell current (I), which is a discharging current from the battery cell or a charging current into the battery cell. The sensor device includes at least one field sensor (), which, after the sensor device is positioned at one of the test points, detects a field in the region of the test point, which is generated by the battery cell current generated with the current generation circuit.

Apparatus and method for testing a cell contact of battery cells of a battery module

Before technical components are further processed, they are checked for the functionality thereof. In this case, an incorrect judgment of the functionality can occur due to measurement errors or incorrect measurements, which in turn results in a very inefficient test. The invention provides a method and a device by which an increased measurement accuracy can be achieved. This is achieved in that at least one first electrical voltage value is measured at a first constant measurement current and at least one second electrical voltage value is measured at a second constant measurement current at terminals of the component. Every measured voltage value is scaled respectively using a profile factor PF to form a measured value M, and only measured values M that are located at least with a tolerance range in a common value range are used for the determination of an electrical parameter.

Method and device for reducing incorrect measurements during the determination of electrical parameters of electrical components

A method for testing printed circuit boards () in a test apparatus having a carrying apparatus for the printed circuit board () and having test modules for measuring physical variables of components (EB) and contact points () on the printed circuit board (), in which

Method and apparatus for testing printed circuit boards

For testing the connections () of batteries () that are connected in a battery module () to several bus bars () that are electrically in parallel with their battery electrodes () by a resistance measurer () comprising a pair of contact pins (), during a measurement a first batten' electrode () is contacted by a first contact pin () and a point on the conductor arrangement () connected to the first battery electrode () is contacted by the second contact pin.

Method and device for testing the connections of batteries

An apparatus for thermal testing of a printed circuit board being electrically energized and being unpopulated or populated with electrical or electronic components is disclosed. The apparatus includes a device for pyrometrical scanning of surface temperatures, wherein the scanning device comprises a pyrometric sensor being movable for the purpose of scanning and being adjustable with respect to its distance from the printed circuit board. A method for operating such an apparatus is disclosed. The method includes adjusting the distance between the sensor and the printed circuit board during scanning.

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Trabuco Canyon, CA, United States of America

Karim Dehkordi