Battery Pack Circuit Board Integration for Compact Charging
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Solution Overview
Problem
Existing battery packs lack efficient designs for compactly integrating battery cells with circuit boards and charging mechanisms, limiting their ability to provide power to multiple devices while allowing for easy charging and wireless charging options.
Innovation Solution
A battery pack design featuring a battery cell assembly with a flat, rectangular circuit board extending from one end to the other, connected to the battery cell via electrical connectors, and including a housing with openings for access to charging connectors, such as USB or micro-USB ports, and a receiver coil for wireless charging, allowing for compact power delivery and charging solutions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a traditional battery pack design is used, then the battery cell can be housed, but the integration with circuit board and charging mechanisms is inefficient and bulky
Solution Approach 1:
The circuit board is integrated directly into the battery pack housing, merging the electrical connection function with the structural housing. The battery cell is positioned adjacent to the circuit board within the same housing, combining multiple components into a single compact assembly that reduces overall volume while improving integration efficiency.
Solution Approach 2:
The battery pack design incorporates multiple connectors (first connector for device connection, second connector for charging, third connector for wireless charging) within a single housing structure. This multi-functional approach allows the same battery pack to provide power to devices, accept wired charging, and receive wireless charging simultaneously, reducing the need for separate charging devices.
2Adaptability or versatility
If multiple connectors are added for charging and power delivery, then versatility is improved, but device complexity increases
Solution Approach 1:
The battery pack incorporates multiple types of connectors (wired USB/micro-USB connectors and wireless receiver coil) within the same housing, enabling the device to accept both wired and wireless charging methods. This multi-functional design provides users with versatile charging options without requiring separate charging devices.
Solution Approach 2:
The wireless charging receiver coil is integrated within the battery pack housing, nested alongside the wired connectors and circuit board. This nested arrangement allows multiple charging functionalities to coexist in a compact space, maintaining versatility while controlling overall device complexity through efficient spatial organization.
3Reliability
If the circuit board extends from one end to the other, then electrical connection is improved, but manufacturing precision requirements increase
Solution Approach 1:
The circuit board is divided into functional segments: a first portion adjacent to the battery cell for electrical connection, and a second portion extending toward the connector for signal transmission. This segmentation allows each portion to be optimized independently - the first portion ensures reliable electrical connection to the battery cell, while the second portion provides adequate length for connector integration, thereby maintaining reliability while reducing overall alignment precision requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design enables efficient power provision to multiple devices, supports easy charging, and integrates wireless charging capabilities within a compact form factor, enhancing the usability and versatility of battery-powered systems.
Implementation Method 1
A receiver coil may be mounted on the circuit board to provide for wireless charging of the battery cell
Data Source
AI summary
A battery pack including a battery cell assembly, the battery cell assembly having a battery cell with a first end and a second end. A circuit board is adjacent to the battery cell and extending from the first end to the second end. A first electrical connector is disposed at the first end and connects a first end of the circuit board to the first end of the battery cell. A second electrical connector is disposed at the second end and connects a second end of the circuit board to the second end of the battery cell. A third electrical connector is disposed at the first end of the circuit board, the third electrical connector can be electrically connected to a powered device so that power from the battery cell may be provided to the powered device through the third electrical connector. A housing houses the battery cell assembly.