Door Locking System with Dual-Channel Remote Control

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Solution Overview

Problem

Existing locking systems face challenges in ensuring high functional reliability and easy operation, particularly when integrated with intruder alarm systems, as they often require manual key switches that can lead to accidental unlocking and trigger alarms if doors are opened before the system is disarmed.

Innovation Solution

Incorporating a remote control device with dual transmission channels and a receiving channel, allowing for wireless communication with the motor unit and intruder alarm system, where the second channel is used to arm/disarm the alarm system, preventing accidental unlocking by blocking the first channel until the alarm is disarmed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a manual key switch is used to control unlocking, then the operation is simple, but the functional reliability is reduced due to accidental unlocking and alarm triggering

Engineering Contradiction:
Improvemanual operation simplicityVSAvoidfunctional reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent replaces the manual mechanical key switch with an electronic remote control device that communicates wirelessly with the motor unit. This substitution eliminates the need for physical key insertion and switching, thereby preventing accidental unlocking while maintaining ease of operation through wireless remote control.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces a control and receiving device as an intermediary between the user and the motor unit. This intermediary processes unlocking signals, validates alarm system status, and controls motor activation, thereby preventing direct accidental unlocking while maintaining a simple user interface through the remote control device.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If the door can be opened before the alarm system is disarmed, then the operation is convenient, but the alarm system may be accidentally triggered

Engineering Contradiction:
Improvedoor opening convenienceVSAvoidaccidental alarm triggering
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent implements a preliminary check mechanism where the control and receiving device verifies the alarm system's disarmed status before allowing the motor unit to unlock the door. This preliminary validation prevents accidental alarm triggering by ensuring the system is in a safe state before door opening is permitted.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent applies preliminary anti-action by blocking the unlocking function when the alarm system is armed. The control and receiving device prevents the transmission of unlocking signals to the motor unit until the alarm system is properly disarmed, thereby counteracting potential harmful effects before they can occur.

Inventive Principle:
Principle #9Preliminary anti-action

3Adaptability or versatility

If a two-channel transmission device is used for locking and additional control, then the functionality is enhanced, but the device complexity increases

Engineering Contradiction:
Improvecontrol functionalityVSAvoidtransmission device complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal remote control device with multiple transmission channels that can control different functions (locking, unlocking, alarm disarming). This multi-functional approach consolidates multiple control operations into a single device, enhancing versatility without proportionally increasing complexity through integrated design.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the locking control and alarm system control into a single integrated remote control device. By merging these functions into one device with multiple channels rather than separate devices, the overall system complexity is reduced while maintaining enhanced functionality.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP2330566B1Closing assembly for a door
Publication Date: 2018.08.08 CARL FUHR GMBH & CO
  • EP2330566B1 patent drawingFigure 1

AI summary

The invention relates to a locking system for a door, comprising at least one locking device (3, 4) with one or more locking elements (6), at least one motor unit (7) which acts on the locking device (3, 4), at least one control and receiving device (9) which is connected to or integrated into the motor unit (7), at least one first remote control device (11) with which at least one unlocking signal can be wirelessly transmitted to the control and receiving device (9), wherein the first remote control device (11) has at least one transmitter (12) with at least one first transmission channel (S1) for the unlocking signal and at least one second transmission channel (S2).The transmitting device of the first remote control device (11) is designed as a transmitting and receiving device (12) and has, in addition to the transmitting channels (S1, S2), at least one receiving channel (E) for an activation signal and/or deactivation signal, wherein the first transmitting channel (S1) can be activated or deactivated depending on the received activation signal or deactivation signal.