G01R31/3644

Battery wiring module

In a battery wiring module that is attached to a unit cell group, a configuration that can inhibit noise propagation to signal lines is implemented in a more compact manner. A battery wiring module is attached to a unit cell group in which a plurality of unit cells are aligned. The battery wiring module includes: a wiring pattern configured as a signal transmission path on one side of a board main body portion; and a guard pattern that is formed in the vicinity of the wiring pattern on the one side of the board main body portion, and is kept at a predetermined reference potential while being insulated from the wiring pattern.

Integrated MSD Connector Test Device for Power Battery Test
20210123974 · 2021-04-29 ·

The disclosure relates to an integrated MSD connector test device including: a housing; an MSD connector housed in the housing and having a first polarity contact and a second polarity contact, wherein the second polarity contact includes two contact portions separated from each other; a cable extending at least partially outside of the housing, two ends of the cable being electrically connected to the two contact portions respectively; and a first polarity port and a second polarity port accessible from outside of the housing, the first polarity port being electrically connected to the first polarity contact, and the second polarity port being electrically connected to one of the contact portions, wherein the first polarity is a positive or negative, and correspondingly, the second polarity is a negative or positive.

MULTI-TASKING END EFFECTOR
20210101294 · 2021-04-08 ·

A multi-tasking end effector system includes a base frame connected to a robot arm of a robot. A first shaft is rotatably supported on the base frame. A first pin-wheel assembly is rotatably mounted to the shaft at a first end of the base frame. Multiple first die assemblies are mounted to the first pin-wheel assembly. A second pin-wheel assembly is rotatably mounted to the shaft at a second end of the base frame. Multiple second die assemblies are mounted to the second pin-wheel assembly and individually oriented in mirror image configuration to one of the multiple first die assemblies. An index motor rotates the first shaft and co-rotates paired and mirror image die assemblies. First and second tab-bending actuators mounted to the base frame are operated to bend opposed cell tabs of a battery cell positioned between the first and second pin-wheel assemblies.

Systems and methods for software-configurable battery monitoring system

Described herein are systems and methods that allow for automatic detection of the highest available cell voltage and/or location of the top voltage in a battery stack, in real-time, without having to use separate, dedicated PCBs for different battery stack configurations, and without having to manually configure PCBs based on the number of cells each battery stack has. In certain embodiments, automatic detection is accomplished by a software-configurable battery management circuit that supports any battery pack size without the need to perform hardware modifications or the added cost of customizing boards for battery stacks that have different numbers of cells. In addition, a novel diode-OR analog multiplexer circuit allows the chip to be powered prior to the selection of the top cell.

METHOD FOR DETERMINING A STATE OF CHARGE OF A VEHICLE BATTERY OF A VEHICLE

The present invention relates to a method for determining the state of charge of a vehicle battery (150) of a vehicle, a starter relay of a starting device (100) for an internal combustion engine of the vehicle for engaging a starter pinion in a ring gear of the internal combustion engine having a first winding (121) and a second winding (122) which can be controlled independently of one another, the first winding (121) being controlled in predetermined control states and voltage values that are established in the course of these control states being determined and the state of charge of the vehicle battery (150) being determined depending on the determined voltage values.

BATTERY IMPEDANCE MEASUREMENT CIRCUITS AND METHODS THEREOF
20210109159 · 2021-04-15 ·

An example circuit includes synchronous demodulator circuitry, analog-to-digital converter (ADC) circuitry, and window circuitry. The synchronous demodulator circuitry measures impedance of a battery at a target frequency based on generated excitation waveforms. The ADC circuitry to produce digital representations of a power parameter responsive to application of at least one of the generated excitation waveforms to the battery. The window circuitry generates weighted outputs of the digital representations of the power parameter using a window function. And the synchronous demodulator circuitry further measure the impedance using the digital representations of the power parameter, the generated excitation waveforms, and the window function.

POWER SUPPLY MOUNTING POSITION DETECTING DEVICE, METHOD, AND POWER SUPPLY
20210143507 · 2021-05-13 ·

A power supply includes a battery and a shell configured to house the battery. The power supply also includes at least one detecting device configured to operably couple to the shell and including a movable member, a sensing assembly, and a first position limiting structure. The movable member is configured to movably couple with the first position limiting structure. The sensing assembly is configured to generate an indication signal for indicating whether the power supply has been mounted to at a mounting position of a battery compartment based on a location of the movable member. When the power supply is mounted at the mounting position, the movable member is moved to a location adjacent a first side of the first position limiting structure, and the sensing assembly generates a first indication signal for indicating that the power supply is mounted at the mounting position.

SENSOR SYSTEM FOR A BATTERY MODULE
20210141020 · 2021-05-13 ·

A sensor system for a battery module, includes: a shunt resistor including: a first current clamp and a second current clamp, each of the first and second current clamps to be connected to a current path of the battery module; a first voltage clamp and a second voltage clamp; and a measurement resistance between the first voltage clamp and the second voltage clamp, and electrically connected to the first current clamp and the second current clamp; a first landing pad electrically connected to the first voltage clamp; a second landing pad electrically connected to the second voltage clamp; a first temperature sensor connected to the first landing pad; and a second temperature sensor connected to the second landing pad.

BATTERY PACK MAINTENANCE SYSTEM
20210141021 · 2021-05-13 ·

A battery pack maintenance system includes maintenance circuitry, image input circuitry, a display, and user input circuitry. The maintenance circuitry is configured to perform a maintenance operation on a battery pack having a plurality of batteries. The image input circuitry is configured to receive an image of the battery pack. The display is configured to display the image. The user input circuitry is configured to receive a battery selection user input identifying a selected battery of the battery pack. The maintenance circuitry is configured to associate the battery selection user input with a maintenance operation performed on the selected battery.

SENSING PCB STRUCTURE OF BATTERY UNIT
20230411714 · 2023-12-21 · ·

Proposed is a sensing PCB of a battery unit, the sensing PCB being coupled to the battery unit in which a plurality of cylindrical battery cells, each of which has an upper surface provided with a positive electrode and an negative electrode, are mounted, and being electrically connected to an electrode network for connecting the plurality of battery cells, and the sensing PCB including a C-shaped substrate part coupled to the battery unit, a plurality of electrode parts arranged on the substrate part and making contact with ends of the electrode network, a pattern part formed on the substrate part and selectively connected to the plurality of electrode parts, and an output part located on the substrate part, electrically connected to the pattern part, having a connection terminal, and outputting an electric signal for each connection section of the electrode network through the pattern part.