Modular Door Assembly with Solenoid Lock for Secure Storage Dispensing
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Solution Overview
Problem
Existing door assemblies in self-service storage and dispensing units lack fail-safe operation, provide insufficient security, and are difficult to access for maintenance due to improper securing in the closed position and vulnerability to forced opening.
Innovation Solution
A door assembly system with electrically activatable components, including a solenoid and position sensor, that selectively locks or unlocks the door, ensuring secure operation and easy access for maintenance, integrated with a controller for user authentication and access control, and a modular design for easy repair.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing door assemblies are used in storage and dispensing units, then the structure is simple, but the door may not be properly secured in the closed position and provides insufficient security
Solution Approach 1:
The patent replaces traditional mechanical door locking mechanisms with an electrically activatable solenoid lock system. The solenoid receives electrical signals from a controller to engage or disengage the door, providing more reliable securing without requiring complex mechanical linkages. This electrical actuation system ensures consistent door closure and locking, eliminating the reliability issues of mechanical systems while maintaining relatively simple overall structure.
Solution Approach 2:
The patent introduces a controller as an intermediary between the user and the door locking mechanism. The controller receives inputs (such as access codes or signals) and automatically actuates the solenoid to lock or unlock the door. This intermediary layer enhances security by providing controlled access while simplifying the door assembly design, as the controller manages the complexity of access authorization rather than the door mechanism itself.
2Object-affected harmful factors
If existing door assemblies are used, then the structure is simple, but the door is vulnerable to being pried open with a crowbar or the like
Solution Approach 1:
The patent replaces vulnerable mechanical latches and hinges with an electrically actuated solenoid locking system. The solenoid engages a locking mechanism that is difficult to bypass or pry open, as it requires electrical actuation to disengage. This substitution significantly increases resistance to forced entry while keeping the door assembly structure relatively simple, avoiding the need for multiple mechanical security layers.
3Ease of repair
If existing door assemblies are used, then the structure is simple, but the door is difficult to access for repair, maintenance or the like
Solution Approach 1:
The patent divides the door assembly into separate modular components: the door panel, the solenoid locking mechanism, and the controller. This segmentation allows individual components to be accessed, removed, or replaced independently. For example, the solenoid can be accessed by removing the door panel without affecting the controller, and the controller can be serviced separately. This modular design greatly facilitates maintenance and repair while keeping each component relatively simple in design.
4Reliability
If a door assembly with electrically activatable components is implemented, then security and control are improved, but the device complexity increases
Solution Approach 1:
The patent replaces complex mechanical locking systems with a simpler electrically actuated solenoid mechanism. The solenoid converts electrical energy directly into linear motion to engage the lock, eliminating the need for complex mechanical linkages, springs, and levers. This substitution improves reliability through consistent electrical actuation while actually reducing overall device complexity compared to robust mechanical systems.
Solution Approach 2:
The patent designs the controller to serve multiple functions: it manages door locking, monitors door status, and can interface with various access control methods (codes, signals, etc.). By consolidating these functions into a single controller unit, the system achieves high reliability and security without proportionally increasing complexity. The controller acts as a multi-functional hub that manages all door operations through a unified interface.
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
The system provides secure, fail-safe operation by ensuring the door remains locked in its intended position, resistant to tampering, and allows for easy maintenance and repair, enhancing user access control and security.
Implementation Method 1
A door assembly system with electrically activatable components, including a solenoid and position sensor
Implementation Method 2
A door assembly system with electrically activatable components, including a solenoid and position sensor
Data Source
AI summary
A door assembly system including a door assembly frame and a plurality of doors, each door being movably coupled to the door assembly frame. The system further includes an electrically activatable component coupled to the door assembly frame and operatively coupled to at least one door to selectively lock or unlock the at least one door. The door assembly frame is configured to be removably attached to a storage device frame having a plurality of compartments such that each door covers one of the compartments. The electrically activatable component is configured to be operatively connected to a controller coupled to the storage device frame.