Overhead Vehicle Barrier Gate with Breakaway Magnetic Connection
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Solution Overview
Problem
Existing vehicle barrier gate systems are complex and expensive to install, particularly when retrofitted, and are vulnerable to damage due to ground mounting, with induction loop sensors being unreliable and costly to install.
Innovation Solution
A vehicle barrier gate system positioned above the roadway with a gate that is adjustable between raised and lowered positions, using actuators and sensors to control movement, and utilizing magnetic connections for secure and breakaway mechanisms to prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If ground mounting is used for barrier gates, then installation is simpler, but the hardware becomes vulnerable to vandalism and collision damage
Solution Approach 1:
The barrier gate system inverts the traditional mounting approach by positioning the gate and control hardware overhead instead of on the ground. The gate arm is suspended from the ceiling or overhead structure, and sensors are mounted on the gate itself or overhead, protecting all expensive components from ground-level vandalism and collision while vehicles pass underneath.
2Difficulty of detecting and measuring
If induction loop sensors are installed in the ground, then vehicle detection is achieved, but installation becomes expensive and complicated
Solution Approach 1:
The system extracts the sensor mounting location from the ground and relocates it to the overhead gate structure or the gate arm itself. This eliminates the need for complex ground installation of induction loops while maintaining vehicle detection capability through alternative sensor mounting positions that are simpler to install and maintain.
Solution Approach 2:
The overhead gate structure serves as an intermediary mounting platform for sensors, eliminating the need for direct ground installation. Sensors are mounted on the gate arm or overhead structure, using the gate itself as the mounting intermediary, which simplifies installation while maintaining detection functionality.
3Ease of manufacture
If ground mounting is used for barrier gates, then installation cost is reduced, but the hardware is exposed to harsh environments and damage
Solution Approach 1:
The system inverts the mounting position from ground level to overhead position, placing all expensive hardware in the protected overhead space above the roadway. This protects components from harsh ground-level environmental conditions including vehicle exhaust, road salt, moisture, and physical damage while maintaining functional performance.
4Ease of operation
If traditional barrier gates are used, then vehicle access control is provided, but drivers must wait until the path is fully unobstructed
Solution Approach 1:
The overhead gate design allows the gate arm to clear the vehicle path before the driver needs to proceed. The gate can be positioned overhead in advance, and the breakaway mechanism is pre-configured to release if needed, eliminating the need for drivers to wait until the entire gate structure is fully retracted or moved aside.
Solution Approach 2:
The breakaway mechanism is pre-configured to automatically release the gate arm if it obstructs a vehicle or experiences abnormal force. This preliminary protective action prevents the gate from becoming a hazard while allowing continuous vehicle flow, as the mechanism is already prepared to activate if needed without requiring driver waiting time.
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 simplifies installation, reduces vulnerability to damage, and enhances operational efficiency by allowing vehicles to pass without obstructing the gate's sensors, ensuring reliable and cost-effective operation.
Implementation Method 1
utilizing magnetic connections for secure and breakaway mechanisms to prevent damage
Data Source
AI summary
A vehicle barrier gate system which is positioned above a roadway through which vehicles pass. Some of the various embodiments of the present disclosure include a gate comprised of an arm and barrier which is adjustable between a raised position in which a vehicle may pass and a lowered position in which a vehicle is prevented from passing. The gate may be movably connected to a ceiling or an overhead support structure positioned above the roadway. Various types of actuators may be utilized to adjust the gate along a linear and/or angular path between the raised and lowered positions. A control unit may be in communication with one or more sensors and/or an authorization system to control the actuator. The gate may include a breakaway mechanism which allows the gate to be manually raised or lowered in the event of actuator failure or a vehicle ramming through the gate.