Mobile Robot Battery Swapping Mechanism with Damping Pins

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Solution Overview

Problem

The existing systems for swapping and charging batteries in mobile robots and electric vehicles are inefficient, as they often require manual handling of heavy batteries, which can lead to physical strain and interruptions in operation, and do not allow for seamless swapping or charging without waiting for battery charge completion.

Innovation Solution

A battery system with a battery holder and damping pins that securely attach and stabilize the battery, allowing for easy swapping and charging, featuring electrical connectors, a fixing unit for secure attachment, and a communication component for transmitting battery status data, enabling automated and efficient battery management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual handling of heavy batteries is used for swapping and charging, then the operator can directly control the battery replacement process, but physical strain increases and operation interruptions occur

Engineering Contradiction:
ImproveManual control of battery swappingVSAvoidPhysical strain on operator
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The battery station performs battery swapping and charging operations autonomously without requiring manual handling by the operator. The automated system retrieves discharged batteries and replaces them with charged ones, eliminating physical strain while maintaining operational control through automated processes.

Inventive Principle:
Principle #25Self-service

2Reliability

If the operator waits for battery charge completion before swapping, then the battery can be fully recharged, but operation downtime increases

Engineering Contradiction:
ImproveBattery charge completionVSAvoidOperation downtime
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The battery station charges multiple batteries in advance and maintains a ready supply of fully charged batteries. When a battery is discharged, the station immediately replaces it with a pre-charged battery from its inventory, eliminating the need to wait for charging completion and thus reducing operation downtime while ensuring battery reliability.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If simple battery attachment is used, then the battery can be easily removed and installed, but secure attachment and stable operation are compromised

Engineering Contradiction:
ImproveBattery installation easeVSAvoidSecure attachment
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The battery attachment system is divided into separate functional components: a fixing unit with clamping elements for secure attachment, electrical connectors for power transfer, and a damping mechanism for vibration reduction. This segmentation allows each component to perform its specific function effectively while maintaining ease of installation through modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A damping mechanism is integrated into the battery attachment system to preemptively reduce vibrations and shocks during operation. This cushioning element is positioned beforehand to absorb mechanical stresses, ensuring stable operation and protecting electrical connectors while maintaining easy installation through integrated design.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS11424491B2Battery and a system for swapping and/or charging a battery of a mobile robot
Publication Date: 2022.08.23 STARSHIP TECH OU
  • US11424491B2 patent drawing
  • US11424491B2 patent drawing
  • US11424491B2 patent drawing

AI summary

A battery configured to be attached to a battery holder for use by a mobile robot comprising: a battery body encapsulating the battery; at least two electrical connectors protruding from the battery body; at least one fixing unit located on the battery body said fixing unit configured to fix the battery to the battery holder; at least two damping pins protruding from the battery body; and at least one battery communication component configured to transmit battery status data. A battery holder configured to hold the battery and at least one of storing, swapping and charging a battery.