Movable Armature Plate For EV Relay
Products Description
The Movable Armature Plate for EV Relay is typically located inside the electromagnetic system of a relay. After the electromagnetic coil generates a magnetic field, the armature is displaced under magnetic force, thereby driving the contact system to complete the closing or opening action.
Compared to traditional industrial relays, the movable spring armature in new energy vehicle relays needs to simultaneously meet the following requirements:
Faster engagement speed
More stable release performance
Lower energy loss
Longer cycle life
Smaller structural space
Higher high-voltage safety standards
Therefore, its design is no longer simply a matter of manufacturing a stamped part, but rather a comprehensive precision component integrating magnetic circuit engineering, mechanical structure, dynamic control, and materials science.
Design Advantages: Integrated Lightweight Electromagnetic Drive Structure
Integrated Molding Design
The Relay Armature plate and moving spring are precisely assembled or riveted to form a compact motion unit, reducing component gaps and improving the synchronization of action response.
01
Lightweight Structure
Topology optimization reduces non-functional mass, achieving component lightweighting while ensuring mechanical strength, helping to reduce overall vehicle energy consumption.
02
Magnetic Circuit Optimized Geometry
The Relay Terminal Armature adopts a special contour design, increasing the effective magnetic pole area, uniform magnetic flux distribution, reducing magnetic leakage, and improving the consistency of attraction force.
03
Integrated Buffering and Limiting
Built-in buffering structure and precision limiting design reduce attraction impact noise and mechanical wear, improving user comfort and component durability.
04
Modular Compatibility
Supports various mounting hole positions and size customizations, easily matching different brand coil frames and contact systems, accelerating customer product iteration.
05
Application Advantages: Reconstructing High-Voltage Safety Margins
Ultimate Arc Extinguishing Synergy
Rapid and jitter-free engagement and disengagement provide crucial time for gas arc blowing and magnetic field deflection within the arc extinguishing chamber, significantly reducing arc erosion of the contacts and extending the relay's electrical life under high-rate overload conditions.
Ultra-Low Temperature Rise Performance
Low hysteresis loss and stable contact pressure eliminate the two major heat sources, resulting in a smoother temperature rise curve for the relay under continuous high current conditions (such as prolonged full-load operation of fast charging stations), improving the thermal management margin of the entire vehicle's electrical system.
Zero Decay Throughout the Life Cycle
The fatigue-resistant spring design combined with vacuum stress-relief technology ensures extremely low contact overtravel and contact pressure decay rates, regardless of whether the relay undergoes 100,000 or 500,000 cycles, truly achieving maintenance-free operation throughout the vehicle's entire life cycle.
Production Process and Manufacturing Advantages
We rely on an advanced precision manufacturing system to ensure that every EV Relay Armature Plate Terminal meets automotive-grade quality standards:
Raw Material Selection and Pre-treatment: High-purity soft magnetic sheets are selected and vacuum annealed to eliminate internal stress and optimize initial magnetic properties.
Precision Stamping: Multi-station high-speed stamping presses combined with CNC precision finishing achieve micron-level dimensional control, ensuring the flatness and parallelism of the Precision Stamped EV Relay Armature.
Heat Treatment and Surface Engineering: Controlled atmosphere heat treatment improves material permeability and hardness, combined with automated spraying or electroplating lines to complete a uniform protective layer.
Spring Coiling and Assembly: Precision CNC spring coiling equipment produces the spring sheets, which are then automatically assembled and laser-welded to ensure consistent component mechanical properties.
Full-Process Inspection: Magnetic performance testing instruments, fatigue life simulation platforms, coordinate measuring machines, and environmental simulation tests are introduced to achieve 100% inspection of key parameters.
contact us
We can provide integrated engineering support solutions, from material selection and dynamic structure optimization to mass production, based on customers' requirements for relay magnetic circuit structure, operation logic, and new energy platform, to help projects achieve mass production with higher reliability for Pure Iron Armature for EV Relay.
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