Sensor-Activated Side Steps

-- Steady & Reliable Manufacturer --

Sensing Technology and System Integration

Sensor-activated side steps rely on precise monitoring of door states via the vehicle's digital interface or dedicated magnetic/proximity sensors installed near the door latch mechanism. The activation logic is managed by a micro-controller that filters out false triggers and ensures deployment only when a door is fully opened and the vehicle is secure.

This system is designed for fail-safe operation: in the event of sensor failure, the steps remain in the retracted (or deployed, depending on the fail-state configuration) position to prevent unexpected movement. The integrated control unit allows for diagnostic feedback, crucial for efficient troubleshooting and maintenance within distribution networks.

The Intelligence of Sensor-Based Access

Sensor-activated technology represents the next generation of SUV accessibility, offering hands-free, automatic deployment tailored to user interaction. This ensures the steps are available precisely when needed and are retracted seamlessly when the vehicle is in motion or secured.

Since our founding in 2014, our focus on medium to high-end electric pedal development has enabled us to master the complexities of automotive electronics and sensor integration. Our commitment to high quality and efficient management is implemented through our proprietary "after-sales electronic quality assurance system" and "easy order" sales platform, supporting an annual output of 80,000 sets for global export.

Key Application Areas

High-Tech Vehicle Platforms: Specifically targeting newer SUVs with advanced BCM (Body Control Module) systems, utilizing cleaner digital signals for activation.
Show Vehicles & Dealership Floors: Demonstrating the vehicle’s luxury and technological features with smooth, automatic step deployment.
Remote Access Systems: Systems can be optionally integrated with vehicle remote start or passive entry systems, allowing for deployment before the door is physically opened.
Personal Safety & Convenience: Providing immediate, secure footing in poor lighting conditions due to the integrated safety deployment logic.

Technical Parameters

Activation Sensor Type	Door Latch Circuit / Proximity Sensor (Model Dependent)
Controller Type	Custom Micro-Controller Unit (MCU)
Standby Current Draw	Below 5 mA (Does not drain battery)
Operating Time Delay	0.5 - 2.0 seconds (Configurable retraction delay)
Safety Shutoff Mechanism	Current Overload Detection and Thermal Protection

FAQ: Sensor-Activated Side Step Systems

Q: Can the sensor system be affected by external electromagnetic interference?
A: The control units are shielded and tested for electromagnetic compatibility (EMC) according to industry standards. The use of digital signals and filtering minimizes the risk of interference from external sources like radio transmitters or power lines.

Q: If I leave a door open, will the steps remain deployed indefinitely?
A: Yes, as a safety feature, the steps will remain deployed as long as the door is open. However, the system is engineered to enter a low-power state to conserve battery life after a long period (e.g., 10 minutes) while still keeping the step extended.

Q: How does the system handle rapid door opening/closing?
A: The MCU incorporates debounce logic, ensuring the motor is only activated after a stable door signal is received for a minimum duration. This prevents unnecessary deployment cycles from accidental or rapid, partial door movements.

Precision Sensing and Reliability

Non-Contact Sensing Options: Utilizing magnetic or Hall-effect sensors for door status, which are impervious to dirt and moisture and eliminate mechanical wear points.
Adjustable Retraction Delay: The control module permits technicians to set a specific time delay after the door closes (e.g., 2 seconds), ensuring ample time for occupants to exit the step before retraction begins.
Smart Sleep Mode: The control unit enters a low-power "sleep mode" when the vehicle is locked for an extended period, preventing long-term battery drainage.
Diagnostic Port Access: The system offers an easily accessible port for connecting diagnostic tools to check sensor health, motor status, and update firmware.

Technical Team Collaboration and Support

Our technical R&D team, composed of over 40 college-level managers and external experts, drives the continuous improvement of our sensor-activated solutions.

Firmware Customization: We offer specific firmware modifications to accommodate unique regional vehicle variants or to integrate with non-standard accessory installations, ensuring the step functions correctly with complex vehicle protocols.
Aftermarket Support Tools: We can provide our distribution partners with proprietary software tools and instruction sets for fast field diagnosis and remote troubleshooting of the sensor and control systems, reducing downtime for the end customer.
Proximity Sensing Integration: Development is ongoing for solutions that utilize foot proximity sensors (non-contact) for deployment, offering a future option for hands-free cargo loading access.

Component Durability and System Hardening

The reliability of sensor systems depends on component quality and environmental sealing.

Wiring Harness: Automotive-grade, multi-strand copper wiring with abrasion-resistant sleeving is used. Connectors are specified as IP68 rated, utilizing rubber seals to prevent moisture ingress at all connection points.
Control Module Housing: Encased in a durable, sealed Nylon 6/6 (PA66) or aluminum housing, providing shock and temperature resistance.
Sensors: Magnetic and Hall-effect sensors are chosen for their resilience to temperature extremes, road debris, and water exposure, ensuring consistent signal integrity over the product lifecycle.

about Bohai

R&D and manufacturing of mid-to-high-end SUV electric pedals.

Bohai Automotive Technology (Zhejiang Huzhou) Co., Ltd. was established in 2014. It is a technology-based enterprise specializing in R&D China Sensor-Activated Side Steps Manufacturers and Wholesale Sensor-Activated Side Steps Suppliers The company is located on the southern bank of the beautiful Taihu Lake in the hinterland of the Yangtze River Golden Triangle-Changxing County, Huzhou City, Zhejiang Province. It is about 150 kilometers away from Shanghai, Hangzhou, Nanjing, Ningbo, Suzhou, Wuxi and other large and medium cities.

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