Technical Guide for Selecting Embodied Intelligent Industrial Robot Connectors

Section 1: LiluTon’s Exclusive Product Portfolio for Robotic Connectors

1.1 Small Standard Interface Connector Series

  • Micro Sensor Module: M8/M12 (IP67 rated, ideal for force feedback and visual sensing systems)
  • Joint Actuation Module: M16/M18/M20 (vibration-resistant design with torque exceeding 5Nm)
  • Power Transmission Module: M22/M25/M49 (capable of carrying 30A with integrated power and signal transmission)

1.2 Comparative Technical Specifications of Connector Technologies

Type Locking Force (N) Insertion/Withdrawal Cycle Typical Application
Quick-Clip 50-80 ≥5,000 cycles Rapid exchange modules for end-effectors
Self-Locking 120-150 ≥10,000 cycles Multi-joint connectivity (patented design)
Flange 200+ ≥20,000 cycles Securing base power cables

Section 2: In-Depth Analysis of Core Patent Technologies

2.1 Self-Locking Quick-Connect Technology (Patent No: ZL202123385566.X)

Developed for M12/M16 miniaturized connectors, this innovative axial self-locking mechanism offers:

  • Seamless one-handed operation with an actuation force of ≤3N
  • A precision three-point alignment system that attains ±0.05mm mating accuracy
  • Compliance with IEC 60068-2-27 shock resistance standards

2.2 Flexible Adaptive Elbow Technology for Dexterous Hands (CN202022314427.2)

This technology effectively addresses the challenges of cable routing under extreme bending conditions (with a bending radius ≤4R):

  • Multi-layer, gradient hardness silicone sheathing for enhanced protection
  • A 180° universal elbow design engineered for over 500,000 bending cycles
  • An integrated stress relief structure that minimizes conductor fatigue

Section 3: System Selection Strategies for Embodied Robotic Applications

3.1 Joint Module Connector Solutions

3.1.1 Principles for Hybrid Connector Configurations

Recommended combination: M18 Self-Locking Connector (for power) paired with M12 Quick-Clip (for signal transmission).

  • 2+2 Configuration (M16 Flange Type): Dual 48V/10A power supply combined with dual CAN bus, optimized for low-power rotational joints.
    Structural Benefit: Flange mounting effectively disperses 360° radial stresses, thereby reducing cable torsion fatigue.
  • 3+2 Configuration (M18 Self-Locking): Three-phase 220V/15A supplying power along with dual Gigabit Ethernet channels, meeting the high-torque linear joint requirements.
    Patent Merit: The patented self-locking mechanism maintains contact resistance fluctuations below 2% even in vibrational environments.
  • 2+8 Configuration (M22 Assembly Type): Dual 60V/30A power channels with an 8-channel analog sensor system, specifically designed for seven-degree-of-freedom robotic arms.
    Space Optimization: A compact 28mm diameter housing reduces space usage by 40% compared to traditional designs.

3.1.2 Dynamic Compensation Mechanism

Featuring a floating contact design in the M18 self-locking connector (with axial tolerance of ±1.5mm and radial tolerance of ±0.8mm), this mechanism effectively mitigates cable interference during synchronized multi-joint operations, thereby expanding the robot’s operational envelope by up to 15%.

3.2 Electromechanical Integration Schemes for End-Effectors

3.2.1 High-Density Wiring Solutions

  • 2+4 Configuration (M12 Panel Type): Integrates a 24V/5A power driver with 4-channel RS485 control signals, ideally suited for electromechanically hybrid grippers.
    Innovative Feature: A 90° elbow design reduces installation height to just 9.8mm, facilitating deployments in tight spaces.
  • 2+3 Configuration (M8 Quick-Clip): Employs a 12V/2A sensing power supply with 3-channel PWM signals, optimized for tactile feedback in precision fingertip applications.
    Patent Insight: The specially engineered elbow module achieves a bending lifecycle exceeding 2 million cycles at an R4mm radius.

3.2.2 Cable Stress Mitigation Design

For dexterous hand applications, a non-symmetrical strain relief structure (Patent Application No: CN2023XXXXXX.X) is implemented to:

  • Incorporate three-dimensional silicone buffering layers that absorb multi-directional bending stresses
  • Utilize gold-plated spring contacts to ensure stable contact impedance (ΔR < 0.1Ω) even with angular deviations of ±15°
  • Enable a modular quick-release design that cuts maintenance time down to 30% of that required by conventional solutions

3.3 Strategies for Enhanced Aesthetic Integration

3.3.1 Topological Optimization Methodology

  • Hidden Routing: The flush-mounted design of M20 flange-type connectors (with a slim thickness of only 5.2mm) ensures a seamless integration with the robot’s exterior aesthetics.
  • Color Engineering: Offering industrial gray color schemes such as RAL 9006 and RAL 7015 enhances visual integration by up to 60%.
  • Thermal Management: The aluminum-magnesium alloy casing of M25 connectors achieves a heat dissipation area of 82cm², allowing continuous current loads of 30A at 60℃.

3.3.2 Ergonomic Validation

Based on the ISO 10218-1 standard, our validation confirms the system’s efficiency and ergonomics through:

  • Quick-clip connectors that enable single-handed operation in less than 3 seconds (a significant improvement over the 25-second requirement of traditional threaded connectors)
  • A self-locking mechanism that delivers a tactile feedback force of 3.2N±0.5N, ensuring compliance with optimal ergonomic thresholds
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