Automated Charging Connector Alignment Using Infrared Imaging

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Solution Overview

Problem

Existing charging connection devices for electric vessels are difficult and time-consuming to couple and decouple, and their use is hindered by harsh weather conditions, posing safety risks for operating personnel.

Innovation Solution

A charging connection device equipped with an imaging device to detect the position of a light source on a counterpart electrical connector, allowing for precise alignment and automatic movement of the electrical connector for easy and reliable coupling and decoupling, and capable of operating in harsh weather conditions through the use of infrared technology and adjustable telescopic arms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual coupling and decoupling of electrical connectors is used, then the charging connection device can be simple in structure, but the operation becomes difficult and time-consuming

Engineering Contradiction:
Improvecoupling and decoupling operationVSAvoidtime for coupling and decoupling
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent replaces manual mechanical coupling operations with an automated system using imaging devices (cameras) to detect connector positions and mechanical actuators (telescopic arms, hinges, cylinders) to execute the coupling and decoupling actions automatically, eliminating the need for manual intervention and significantly reducing operation time

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The charging connection device performs self-positioning and self-coupling by using its own imaging devices to detect the counterpart connector's location and automatically adjusting its components to achieve proper alignment and connection without external assistance

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If manual operation is required for coupling electrical connectors, then the device structure can be simple, but the ease of operation deteriorates in harsh weather conditions

Engineering Contradiction:
Improveoperation in harsh weather conditionsVSAvoidimpact on operating personnel
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces manual mechanical operations with automated imaging and actuation systems that can detect connector positions and execute coupling actions regardless of weather conditions, eliminating exposure to harmful environmental factors for personnel

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The imaging devices (cameras) and control systems act as intermediaries between the operating personnel and the physical coupling process, allowing operators to initiate and monitor the operation from a safe distance without direct exposure to harsh weather conditions

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If automated imaging and movement systems are implemented, then coupling speed and reliability improve, but device complexity increases

Engineering Contradiction:
Improvecoupling speedVSAvoidstructure of charging connection device
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The imaging devices and control systems serve multiple functions including position detection, alignment verification, and operation monitoring, reducing the need for separate specialized components and mitigating the increase in overall device complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent employs dynamically adjustable components such as telescopic arms with variable length, hinges with adjustable angles, and cylinders with controllable extension, allowing the system to adapt to different vessel positions and weather conditions while maintaining automated coupling capability

Inventive Principle:
Principle #15Dynamics

4Reliability

If automated imaging and movement systems are implemented, then coupling reliability improves, but device complexity increases

Engineering Contradiction:
Improvecoupling reliabilityVSAvoidstructure of charging connection device
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The imaging devices provide continuous visual feedback on connector positions and alignment status, allowing the control system to make real-time adjustments to ensure precise coupling, thereby significantly improving reliability despite the added complexity of the imaging and control components

Inventive Principle:
Principle #23Feedback

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

Enables fast, reliable, and safe charging of electric vessels in all weather conditions by accurately determining the location of the electrical connector and compensating for environmental changes, such as waves and water level fluctuations.

Implementation Method 1

an imaging device attached to the electrical connector and configured to detect the position of a light source attached to a counterpart electrical connector

Methodology Applied
Scientific EffectInfrared radiation detection: Infrared Radiation

Implementation Method 2

an imaging device attached to the electrical connector and configured to detect the position of a light source

Methodology Applied
Scientific EffectLight detection: Light

Data Source

PatentEP3862215A1Charging connection device, electric vessel, charging arrangement and method for establishing an electrical connection between a charging connection device and an electric vessel
Publication Date: 2021.08.11 3MAR OY
  • EP3862215A1 patent drawingFigure 1
  • EP3862215A1 patent drawingFigure 2
  • EP3862215A1 patent drawingFigure 3

AI summary

The present invention provides a charging connection device (100), an electric vessel (200) and a method for establishing an electrical connection between a charging connection device (100) and an electric vessel (200). In the present invention, the electrical connection between the charging connection device (100) and the electric vessel (200) is established by coupling an electrical connector (101) of the charging connection device (100) to a counterpart electrical connector (201) of the electric vessel (200). The coupling is performed by using an imaging device (113) attached to the electrical connector (101) to detect the position of a light source (204) attached to the counterpart electrical connector (201), and then, based on the detected position of the light source (204), moving the electrical connector (101) towards the counterpart electrical connector (201).