Door Unit Sensor Control Device Merging 3D Signals

Solution Overview

Problem

Existing monitoring and control devices for door units require significant installation effort and are prone to malfunctions due to complex electrical cabling and multiple sensor assemblies, which complicate safety functions and reliability.

Innovation Solution

A simplified monitoring and control device for door units that integrates a sensor control device with both input and output connections to a drive control unit, utilizing 3D or distance signals to manage door movement and position, reducing the need for multiple sensors and cabling by using a single sensor assembly that can detect door position, malposition, obstacles, and defects, with optional triangulation or time-of-flight 3D sensing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple sensor assemblies and detection devices are provided to perform various safety functions, then the safety monitoring capability is improved, but the installation effort increases and the device complexity increases

Engineering Contradiction:

Improvesafety monitoring capabilityVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple sensor assemblies and detection devices into a single integrated sensor unit that performs various safety functions. The sensor unit integrates optical switching sensors, wicket door position sensors, and other detection functions into one consolidated device, reducing the number of separate components while maintaining comprehensive safety monitoring capability.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The integrated sensor unit is designed to perform multiple safety monitoring functions simultaneously. It can detect door position, wicket door status, optical switching signals, and other safety parameters through a single multi-functional device, eliminating the need for multiple specialized sensors.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If multiple sensor assemblies and detection devices are provided to perform various safety functions, then the safety monitoring capability is improved, but the installation effort increases

Engineering Contradiction:

Improvesafety monitoring capabilityVSAvoidinstallation effort

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines multiple sensor assemblies and detection devices into a single integrated sensor unit that performs various safety functions. The sensor unit integrates optical switching sensors, wicket door position sensors, and other detection functions into one consolidated device, reducing the number of separate components while maintaining comprehensive safety monitoring capability.

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If sensor assemblies are cabled with spiral cables or operated wirelessly with own power sources, then the operational flexibility is improved, but the device complexity increases and reliability decreases

Engineering Contradiction:

Improveoperational flexibilityVSAvoidreliability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent combines multiple sensor assemblies and detection devices into a single integrated sensor unit that performs various safety functions. The sensor unit integrates optical switching sensors, wicket door position sensors, and other detection functions into one consolidated device, reducing the number of separate components while maintaining comprehensive safety monitoring capability.

Inventive Principle:

Principle #5Merging (Combining)

4Reliability

If multiple sensor assemblies and detection devices are provided, then the safety monitoring capability is improved, but the susceptibility to malfunctioning increases

Engineering Contradiction:

Improvesafety monitoring capabilityVSAvoidelectrical contacting complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple sensor assemblies and detection devices into a single integrated sensor unit that performs various safety functions. The sensor unit integrates optical switching sensors, wicket door position sensors, and other detection functions into one consolidated device, reducing the number of separate components while maintaining comprehensive safety monitoring capability.

Inventive Principle:

Principle #5Merging (Combining)

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 reduces installation complexity and enhances reliability by consolidating sensor functions within a single assembly, enabling efficient monitoring and control of door movements while minimizing cabling, thus improving safety and operational efficiency.

Implementation Method 1

with optional triangulation or time-of-flight 3D sensing

Methodology Applied

Scientific EffectTime of flight: Time of Flight

Data Source

PatentUS9466164B2Monitoring and control device for a door unit

Publication Date: 2016.10.11 FRABA

AI summary

A monitoring and control device for a door unit includes a sensor control device comprising an output side and an input side. At least one sensor assembly is arranged in a region of the door unit. The at least one sensor assembly is connected to and controlled by the sensor control device, and is configured to measure at least one of a 3D signal and a distance signal A drive device comprises a drive control unit connected with the output side and with the input side of the sensor control device. The drive device is configured to move the door unit.