Vehicle Running Board Control via Magnetic Induction

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing vehicle running board devices integrated into the vehicle bus face challenges such as high costs, complex operations, and reliability issues due to confidentiality measures in vehicle communication systems, making it difficult to access and control the running board device.

Innovation Solution

A vehicle with a running board device that uses a magnet and magnetic induction element to generate door-opening and door-closing signals, transmitted through a signal transmission line to a controller, allowing the running board to extend or retract independently of the vehicle's control system, eliminating the need for integration into the CAN bus.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the control circuit of the running board device is integrated in the vehicle bus, then the running board device can be controlled through the vehicle's control system, but the confidentiality measures in the vehicle communication system prevent access to control signals and the vehicle bus needs transformation which increases cost and complexity

Engineering Contradiction:
Improvecontrol accessibilityVSAvoidvehicle bus transformation
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent divides the control system into two independent parts: the vehicle's existing control system and a separate running board control circuit. The control circuit is detached from the vehicle bus and integrated directly with the running board device, eliminating the need for bus transformation while maintaining control functionality.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces an independent control circuit as an intermediary between the vehicle door sensor and the running board actuator. This control circuit receives door opening/closing signals directly and controls the running board without requiring access to the vehicle's CAN bus system.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If the control circuit of the running board device is integrated in the vehicle bus, then the running board device can be controlled through the vehicle's control system, but the confidentiality measures reject foreign communication signals and prevent access

Engineering Contradiction:
Improvecontrol system integrationVSAvoidsignal access reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The control system is segmented into independent units where the running board control circuit operates autonomously without relying on the vehicle's confidential communication bus, ensuring reliable signal transmission.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The control circuit is self-contained and receives signals directly from door sensors mounted on the vehicle body, making it independent of the vehicle's communication system and its confidentiality restrictions.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If the control circuit of the running board device is integrated in the vehicle bus, then the running board device can be controlled through the vehicle's control system, but the vehicle bus needs to be transformed which increases cost

Engineering Contradiction:
Improvecontrol functionalityVSAvoidinstallation cost
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The control circuit is extracted from the vehicle bus system and integrated directly with the running board device. This eliminates the need for expensive vehicle bus transformation while maintaining full control functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent uses a simple, inexpensive control circuit that can be independently installed without requiring modification of the vehicle's existing communication infrastructure, reducing manufacturing and installation costs.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

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 solution provides steady and reliable signal transmission, easy control, and convenience for users to get on or off the vehicle, reducing operational burdens on the vehicle's control system and avoiding interference or misoperation.

Implementation Method 1

a magnetic induction element mounted to the vehicle body and that cooperates with the magnet so as to be triggered to generate a door-opening signal and a door-closing signal

Methodology Applied
Scientific EffectMagnetic induction: Electromagnetic Induction

Data Source

PatentUS10821904B2Vehicle and running board device for vehicle
Publication Date: 2020.11.03 HANGZHOU TIANMING TECH CO LTD
  • US10821904B2 patent drawing
  • US10821904B2 patent drawing
  • US10821904B2 patent drawing

AI summary

A vehicle and a running board device for the vehicle are provided. The vehicle includes: a vehicle body; a vehicle door; a running board mounted to the vehicle body and movable between an extended position and a retracted position; an actuator connected to the running board; a magnet mounted to the vehicle door; a magnetic induction element mounted to the vehicle body and that cooperates with the magnet so as to be triggered to generate a door-opening signal and a door-closing signal; a signal transmission line having a first end of the signal transmission line connected with the magnetic induction element; and a controller mounted to the vehicle body and connected with a second end of the signal transmission line and the actuator, so as to actuate the running board to move between the extended position and the retracted position according to the door-opening signal and the door-closing signal.