Retractable EV Charging Cable Protection for Theft and Ground Damage
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Solution Overview
Problem
Electric vehicle charging cables are prone to theft, damage, and require long charging times, with cables often being yanked or left on the ground, leading to safety hazards and reduced service life.
Innovation Solution
A charging cable device with a protective housing, spool, rotating motor, damping module, intelligent plug, and support devices, which prevents unauthorized withdrawal, ensures smooth cable retraction, and suspends the cable to prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a very long charging cable is provided to meet different charging situations, then the adaptability of the charging system is improved, but the charging cable is more prone to being stolen, pulled out, or damaged
Solution Approach 1:
The charging cable transitions from a static, fixed-length configuration to a dynamic, retractable system. The cable can be automatically extended or retracted based on charging needs, allowing the system to adapt to different charging situations while maintaining cable security through automated retraction when not in use.
Solution Approach 2:
The charging cable system incorporates automatic extension and retraction capabilities through motor-driven mechanisms. The cable serves itself by automatically adjusting its length and securing itself to the charging pile, eliminating the need for manual handling that could lead to theft or damage.
2Ease of operation
If the charging cable is made longer to reach distant vehicles, then the ease of operation is improved, but the cable becomes more vulnerable to yanking and damage
Solution Approach 1:
The cable length becomes dynamic rather than fixed. The system can extend the cable to reach distant vehicles when needed, then automatically retract it to a compact, protected state, maintaining both accessibility and durability through motion-controlled length adjustment.
Solution Approach 2:
The manual mechanical handling of the cable is replaced with an automated motor-driven retraction system. This substitution eliminates the need for users to manually manage cable length and positioning, reducing the risk of accidental yanking or damage while maintaining operational ease.
3Ease of operation
If the charging cable is left scattered on the ground for convenience, then the ease of operation is improved, but the cable is easily crushed or soiled, reducing its service life
Solution Approach 1:
The cable system automatically retracts and stores itself on the charging pile after use, eliminating the need for users to manually coil or store the cable. This self-service mechanism prevents the cable from being left scattered on the ground, thereby avoiding crushing and soiling while maintaining ease of access during charging.
Solution Approach 2:
The system automatically recovers the charging cable by retracting it onto the spool mounted on the charging pile after charging is complete. This automatic recovery process prevents the cable from remaining exposed on the ground where it could be damaged by crushing or contamination, thereby extending its service life.
4Device complexity
If a simple charging cable connection is used, then the device complexity is reduced, but the cable cannot be protected from unauthorized withdrawal or theft
Solution Approach 1:
The charging system incorporates a motor-driven spool mechanism that dynamically controls cable extension and retraction. This adds complexity to the device but provides automated protection against unauthorized withdrawal through automatic retraction capabilities, balancing increased device complexity with improved charging cable security.
Solution Approach 2:
The simple mechanical cable connection is replaced with an automated motor-controlled spool system. This substitution increases device complexity but provides active protection mechanisms including automatic retraction and potential locking capabilities, thereby enhancing charging cable security against theft or unauthorized disconnection.
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
Prevents unauthorized cable withdrawal, reduces damage, and extends cable life by ensuring orderly retraction and suspension, enhancing safety and efficiency during charging.
Implementation Method 1
a spool, a rotating motor... the spool is rotatably arranged between the rotating component and the rotating motor, and the charging cable is wound around the spool
Implementation Method 2
a damping module... the steel rope is connected to the damping module
Data Source
AI summary
A charging cable device for intelligent new energy vehicle is provided, which includes: a charging cable, a charging cable protection device, an intelligent charging plug, charging cable support devices and a controller; the charging cable is provided in the charging cable protection device, a starting end of the charging cable is connected to a charging pile, and a terminal end of the charging cable is fixedly provided with the intelligent charging plug, multiple charging cable support devices are arranged at a bottom of the charging cable outside the charging cable protection device, all of the charging cable protection device, the intelligent charging plug and the charging cable support devices are electrically connected to the controller.