摘要:
Disclosed are method and systems for determining the initial state of charge (iSoC) and current state of charge (SoC) for a cell comprising determining a plurality of cell parameters, including current (i), open circuit voltage (OCV), temperature (T) and time to maximum voltage threshold (t cv ) of the cell, determining a plurality of cell iSoC parameters as a function of the plurality of cell parameters; determining an adjusted time to maximum voltage threshold (t' cv ) of the cell; and determining a corrected iSoC parameter as a function of a predictor-corrector algoritlim, the corrected iSoC parameter representing an estimated iSoC of said cell. Also disclosed are methods for determining optimum charge cycle(s) and parameters for the cell based on the corrected iSoC parameter.
摘要:
The present disclosure relates to a battery test system for a vehicle that includes a camera configured to capture an image of a vehicle identification number located on the vehicle, the camera being coupled to a processor which determines characters of the vehicle identification number from the image of the camera and correlates the characters of the vehicle identification number to a vehicle identification number database to receive battery parameters for the vehicle, a battery tester that is removably connected to terminals of a battery of the vehicle and configured to receive battery test results, and a display which conveys information relating to the battery parameters and the battery test results.
摘要:
Il est divulgué un procédé mis en œuvre par ordinateur pour la gestion de la recharge d'une batterie d'un véhicule électrique, comprenant les étapes consistant à réaliser un cycle de recharge de la batterie du véhicule électrique mesurer l'énergie totale emmagasinée par la batterie; calculer la variance associée à ladite énergie totale; et déterminer un coefficient associé à ladite variance. Dans un développement, l'étape de détermination du coefficient associé à la variance est récursive. Différents développements sont décrits, lesquels comprennent l'utilisation de seuils prédéfinis et/ou configurables, l'émission d'alarmes, l'utilisation d'un bruit blanc distribué selon une loi à queue lourde (e.g. Student) et l'utilisation d'un filtre de Kalman. Des aspects de système et de logiciel sont décrits.
摘要:
A test instrument for use with a sample having a plurality of electrically conducting contact pads, the instrument including: a controllable, variable force linear actuator; a probe assembly operated by the linear actuator, the probe assembly having a probe head at one end with a surface for contacting the sample; a movable contactor assembly including a plurality of contacts for electrically contacting the plurality of contact pads on the sample; a housing on which the linear actuator and contactor assembly are mounted, the housing having an identified area for holding the sample during testing; a position sensor assembly for measuring changes in the position of the probe; and a sensor for measuring a force applied to the sample by the probe head.
摘要:
Die Erfindung schafft eine Vorrichtung und ein Verfahren zum Prüfen einer Fahrzeugbatterie (40) in einem aus einem Fahrzeug ausgebauten Zustand mittels einer Prüfvorrichtung (30), welche zum Prüfen der in das Fahrzeug eingebauten Fahrzeugbatterie (40) mittels einer On-Board-Diagnose-Schnittstelle des Fahrzeugs ausgebildet ist. Die Vorrichtung weist auf: eine Schnittstelle (12), an welcher ein Stecker (32) der Prüfvorrichtung (30) anschließbar ist, welcher zum Anschluss an die On-Board-Diagnose-Schnittstelle des Fahrzeugs ausgebildet ist; eine elektrischen Anschlusseinrichtung (13), mittels welcher mindestens ein elektrischer Fahrzeugbatterie-Anschluss (44, 45, 46, 47) der Fahrzeugbatterie (40) mit der Vorrichtung (10) verbindbar ist; und eine Adaptereinrichtung (18), mittels welcher Signale, welche von dem mindestens einen elektrischen Fahrzeugbatterie-Anschluss (44, 45, 46, 47) der Fahrzeugbatterie (40) über die Anschlusseinrichtung (13) empfangbar sind, an die Schnittstelle (12) derart leitbar sind, dass die Signale an der Schnittstelle (12) für die Prüfvorrichtung (30) mittels des Steckers (32) entsprechend einer Konfiguration der On-Board-Diagnose-Schnittstelle des Fahrzeugs prüfbar sind.
摘要:
A battery module includes a housing and battery cells disposed in the housing, each of the battery cells including two terminals. The battery module also includes bus bar cell interconnects including a first material, where each bus bar cell interconnect is configured to electrically couple two adjacent battery cells via an electrical coupling with a first terminal of one of the adjacent battery cells and a second terminal of the other adjacent battery cell, where at least one of the first and second terminals includes the first material. The battery module includes welds, each weld being disposed at a corresponding welding point to directly couple one of the bus bar cell interconnects with the corresponding at least one terminal including the first material. Each welding point is accessible for welding from a position above the battery cells when the interconnects are disposed over the battery cells.
摘要:
A printed circuit board (PCB) assembly 58 may include a PCB 136 and a high current interconnect 140 mounted on the PCB 136. The high current interconnect 140 may be configured to electrically couple a first high current bladed component 153, a second high current bladed component 154, and a trace disposed on the PCB 136. The high current interconnect 140 may include feet 145 made of a conductive material that are coupled to the PCB 136. The trace may be coupled to the feet 148 via a weld.
摘要:
Present embodiments are directed to a battery module including a venting assembly and a method of manufacturing the battery module. The venting assembly may, in certain embodiments, be designed to vent gases from a plurality of battery cells disposed in a housing of the battery module. Each of the plurality of battery cells may include a battery cell vent. The venting assembly may include a lid designed to be coupled to the housing and disposed over the battery cells in the housing. In some embodiments, the lid includes a vent chamber formed in the lid and designed to receive and direct gases vented from the plurality of battery cells away from the battery module.
摘要:
A battery module including bus bar cell interconnects and a method of manufacture are provided. The battery module may, in certain embodiments, include a housing, a plurality of battery cells disposed in the housing, and a bus bar cell interconnect. The bus bar cell interconnect is designed to electrically couple a first battery cell and a second battery cell. In some embodiments, the bus bar cell interconnect includes a first end electrically coupled with a first terminal of the first battery cell and a second end electrically coupled with a second terminal of the second battery cell. The bus bar cell interconnect also includes a curved portion disposed between the first end and the second end, and the bus bar cell interconnect is designed to distribute stress across the curved portion.