Bike Power Connector Sequencing for Safe Battery Contact

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Solution Overview

Problem

Human-powered vehicles equipped with electrical components face challenges in establishing a reliable electrical connection with their onboard power sources, particularly when these sources need periodic recharging, as existing solutions often require manual removal and charging, which can be inconvenient and inefficient.

Innovation Solution

A component for human-powered vehicles is designed with a power source connecting portion, an actuator, and electronic controller circuitry, featuring terminals and detection terminals that ensure proper electrical connection and power supply by establishing contact sequences and configurations that secure and facilitate the connection process, including spring-loaded terminal pins and bypass circuits for secure and efficient power transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If the power source is periodically recharged by plugging into a remote charger or removing and placing on a remote charger, then the power source can be recharged, but the operation convenience deteriorates due to manual intervention and time loss

Engineering Contradiction:
Improvepower source rechargingVSAvoidcharging operation convenience
Core Design Contradiction:
Use of energy by moving objectVSEase of operation

Solution Approach 1:

The power source connecting portion is designed to automatically establish electrical connection with the power source when the power source is mounted on the human-powered vehicle. The detection terminal automatically detects the presence of the power source and establishes electrical connection without requiring manual plugging or intervention, allowing the system to recharge itself automatically.

Inventive Principle:
Principle #25Self-service

2Power

If the first terminal contacts the power supply terminal first during connecting operation, then power supply is established, but electrical connection reliability deteriorates due to potential short circuit before detection terminal contact

Engineering Contradiction:
Improvepower supply establishmentVSAvoidelectrical connection safety
Core Design Contradiction:
PowerVSReliability

Solution Approach 1:

The detection terminal is positioned to contact the power source's detection terminal before the first terminal contacts the power supply terminal during the connecting operation. This preliminary detection action ensures that the electrical connection is safe and proper before power is supplied, preventing potential short circuits or improper connections.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The detection terminal acts as an intermediary that mediates the connection process between the power source and the component. It first establishes detection contact to verify proper alignment and connection integrity before allowing the main power terminal to establish electrical connection, ensuring safe power transfer.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12116085B1Component for human-powered vehicle
Publication Date: 2024.10.15 SHIMANO INC
  • US12116085B1 patent drawing
  • US12116085B1 patent drawing
  • US12116085B1 patent drawing

AI summary

A component for a human-powered vehicle basically comprises a power source connecting portion, an actuator and a first electronic controller circuitry. The power source connecting portion is connected to a power source. The power source connecting portion includes an attachment surface, a first terminal and a first detection terminal. The actuator is electrically connected to the power source connecting portion. The first electronic controller circuitry controls the actuator with supply current provided from the power source. The first terminal is electrically connected to a power supply terminal of the power source. The first terminal supplies the supply current to the actuator in a state where the first detection terminal is electrically connected to a second detection terminal of the power source. The first detection terminal contacts to the second detection terminal after the first terminal contacts to the power supply terminal during connecting operation of the power source to the power source connecting portion.