Vehicle Lock Rotor Layout With Magnetic Coupling Stability
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Solution Overview
Problem
Existing motor vehicle locks face challenges in optimizing production costs without compromising performance, particularly in reducing production costs while maintaining mechanical robustness and burglar-proof features.
Innovation Solution
The rotor and rotor magnet arrangement are fixed, allowing for a pivoting drive movement with a weight-optimized design, reducing power input and inertial forces, and incorporating a magnetic coupling to enhance dynamic mechanical behavior and burglar resistance, with the coil arrangement integrated within the rotor magnet arrangement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the rotor and rotor magnet arrangement are fixed with magnetic coupling, then the power input and inertial forces are reduced, but the device complexity increases due to the magnetic coupling mechanism
Solution Approach 1:
The patent replaces the traditional mechanical connection between the rotor and rotor magnet arrangement with a magnetic coupling field. This substitution eliminates the need for physical fasteners and mechanical linkages, reducing the power input required for operation while minimizing inertial forces. The magnetic field serves as the intermediary that transmits rotational motion without direct mechanical contact.
2Object-affected harmful factors
If permanent magnets are removed from the rotor, then burglar resistance increases, but the magnetic coupling strength may be reduced
Solution Approach 1:
The patent introduces a magnetic coupling field as an intermediary between the rotor and the rotor magnet arrangement. This magnetic field mediates the transmission of rotational motion without requiring permanent magnets to be attached to the rotor. The magnetic coupling field maintains sufficient coupling strength while preventing external magnetic manipulation, thereby enhancing burglar resistance.
3Reliability
If the rotor is weight-optimized, then the dynamic mechanical behavior improves and crash behavior is enhanced, but the manufacturing precision requirements increase
Solution Approach 1:
The patent replaces mechanical fastening systems with magnetic coupling, which eliminates the need for precise mechanical alignment and fastener installation. The magnetic field naturally centers and holds the rotor magnet arrangement, reducing manufacturing precision requirements while maintaining reliable dynamic mechanical behavior and enhancing crash behavior through reduced inertial forces.
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 results in a cost-effective, weight-optimized, and dynamically stable motor vehicle lock with improved crash behavior and high burglar resistance, allowing for multiple magnetically stable actuator positions without mechanical end stops.
Implementation Method 1
by supplying current to the coil arrangement and a resulting magnetic interaction between the rotor and stator, a drive torque to the rotor and thus an adjustment of the rotor can be generated
Implementation Method 2
the stator magnet arrangement has a permanent magnet arrangement
Implementation Method 3
with a suitable magnetic coupling between the rotor and the rotor magnet arrangement, a pivoting drive movement of the rotor is possible with fixed rotor magnet arrangement
Data Source
AI summary
The disclosure relates to a vehicle lock having a locking mechanism, a lock mechanism and an electrical setting arrangement, wherein the setting arrangement has a rotor arrangement, and a stator, wherein the stator forms at least two magnetic, unlike stator poles of the stator magnet arrangement, wherein at least one of the magnet arrangements is associated with a coil arrangement, wherein by supplying current to the coil arrangement and a resulting magnetic interaction between rotor and stator, a drive torque to the rotor and thus an adjustment of the rotor can be generated in a predetermined number of actuator positions. Proposed is that the rotor magnet arrangement and the stator magnet arrangement are stationarily fixed to a support section of the motor vehicle lock, and the rotor is pivotable about a rotor axis relative to the support section and relative to the rotor magnet arrangement.