Pet Door Lock Release Mechanism for Emergency Egress
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pet door systems do not automatically unlock to allow safe egress of pets during emergencies like fires, leaving them vulnerable and making it difficult for owners or rescue workers to locate and extract them.
Innovation Solution
A pet door with a locking mechanism that automatically unlocks upon detection of smoke, fire, or carbon monoxide by integrating with conventional or improved smoke detectors, using either direct audible alarm detection or radio frequency communication to ensure pets can exit safely, with additional features like vibration sensors and microphones for accurate alarm recognition and visual alerts for location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism is provided to control ingress and egress of pets, then security and controlled access are improved, but the ability to quickly evacuate pets during emergencies deteriorates
Solution Approach 1:
The system performs preliminary action by pre-programming the locking mechanism to automatically unlock when specific emergency conditions (smoke detector activation, alarm signals) are detected. The microprocessor is pre-configured with alarm frequency recognition and automatic unlock protocols, so that when an emergency occurs, the system can immediately respond without requiring manual intervention or pet training to trigger release.
2Adaptability or versatility
If electronic control systems with power sources are used for access control, then selective access and identification are improved, but device complexity and cost deteriorate
Solution Approach 1:
The system uses an intermediary approach by incorporating a smoke detector as a mediator between the emergency condition and the locking mechanism. The smoke detector acts as an independent sensor that triggers an alarm signal, which then mediates the automatic unlock sequence. This intermediary approach simplifies the overall system by using readily available emergency detection devices rather than requiring complex integrated sensors.
Solution Approach 2:
The system achieves universality by designing the locking mechanism to respond to multiple types of alarm signals from different sources (smoke detectors, external alarm systems). The microprocessor is programmed to recognize various alarm frequencies and patterns, making the system universally applicable to different emergency detection devices without requiring proprietary integrated systems.
3Reliability
If the locking mechanism remains locked during emergencies, then security is maintained, but pet safety deteriorates
Solution Approach 1:
The system implements feedback by continuously monitoring emergency conditions through smoke detectors and alarm signals. When the microprocessor detects alarm frequencies indicating an emergency state, it automatically reverses the locking mechanism to unlock the door. This feedback loop ensures that the locking mechanism transitions from securing the pet to enabling escape when hazardous conditions are detected, thereby protecting pets while maintaining security during normal conditions.
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
Ensures pets can freely exit during hazardous conditions, reducing risk and facilitating their safe removal by automatically unlocking the pet door when environmental hazards are detected, while also training pets to associate alarms with the exit route.
Implementation Method 1
a vibration sensor for detecting vibrations
Implementation Method 2
The vibration sensor is a piezoelectric device
Data Source
AI summary
A pet door having a locking mechanism for normally limiting ingress and egress, the pet door being adapted communicate with a conventional environmental detector to unlock the locking mechanism when a hazard environmental condition is detected. The pet door is adapted to work in cooperation with either a conventional smoke detector or an improved smoke detector. In one embodiment, a radio frequency (RF) transmitter is used in cooperation with a conventional smoke detector to communicate with a pet door of the present invention. In either embodiment, when the smoke detector detects an event such as the presence of smoke and/or fire such that an audible alarm is sounded, the pet door locking mechanism is unlocked. The pet door is also useful in cooperation with other detectors such as a carbon monoxide detector or a security alarm.