Battery Charger Ground Connector With Elastic Cable Retention
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Solution Overview
Problem
Existing battery chargers for electric or hybrid motor vehicles require manual retention of the grounding cable during installation, which can lead to damage and increased installation time due to cable movement during screwing, and existing solutions do not adequately address these issues.
Innovation Solution
The battery charger incorporates elongated connectors with elastic locking means that securely hold the grounding cable in place without manual retention, using elastic elements to clamp and prevent movement, and allows for easy attachment and detachment of retaining means for different cable sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a screw and nut connection is used to fix the electrical terminal to the connecting element, then the electrical grounding cable can be mechanically fixed, but the cable is free to move during screwing and may be unintentionally moved or damaged
Solution Approach 1:
The patent applies preliminary action by providing retaining means that preliminarily hold the electrical grounding cable in a fixed position before the screwing operation begins. This prevents the cable from moving during the screwing process, eliminating the need for manual retention and preventing damage. The retaining means are configured to maintain the cable position throughout the entire connection process.
2Reliability
If manual retention of the grounding cable is performed during installation, then cable movement can be prevented, but installation time significantly increases
Solution Approach 1:
The patent applies self-service by designing retaining means that automatically hold the electrical grounding cable without requiring manual intervention. The retaining means are integrated into the connector structure and self-activate during assembly, preventing cable movement and eliminating the need for operators to manually retain the cable throughout the installation process.
3Ease of operation
If the electrical grounding cable is left free during screwing, then installation process is simpler, but the cable may collide with other components and become damaged
Solution Approach 1:
The patent applies preliminary anti-action by providing retaining means that preemptively counteract the potential harmful movement of the electrical grounding cable during screwing. The retaining means are configured to block the cable from moving into positions where it could collide with other components, thereby preventing damage before it can occur.
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
This design simplifies and speeds up the installation process by securely holding the grounding cable, reducing the risk of damage and enabling efficient electrical connections, while allowing for easy replacement of damaged components.
Implementation Method 1
The connector comprises retaining means (5) of the electrical grounding cable (4), which are adapted to block the position thereof; Preferably, the retaining means (5) comprise elastic locking means (6a, 6b) of the electrical grounding cable (4)
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The battery charger (1) for electric or hybrid motor vehicles comprises: one container body (2) installable on a motor vehicle and defining one housing compartment, the container body (2) comprises one grounding connector (3) to be connected to one grounding electrical potential by means of one electrical grounding cable (4); one electronic appliance housed inside the housing compartment, connectable to one electric battery of the motor vehicle and configured to recharge the battery; in which the connector (3) comprises retaining means (5) of the electrical grounding cable (4) adapted to block the position thereof.