Modular Pedestrian Passageway with 3D Detection and Composite Structure
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Solution Overview
Problem
Current access control passageways face challenges in manufacturing, installation, and maintenance due to complex mechanical structures, high weight, and limited aesthetic customization options, which increase costs and reduce operational efficiency.
Innovation Solution
The proposed advanced automatic passageway features an ultrahigh strength and lightweight design, modular construction, advanced 3D spatial detection and counting capabilities, and a highly customizable aesthetic design using high-quality decorative technical materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If stainless steel is used for the mechanical structure, then strength and durability are improved, but weight increases significantly
Solution Approach 1:
The patent employs a composite structure combining stainless steel for critical load-bearing components with lighter materials such as aluminum or engineered wood for non-critical structural elements. This composite approach maintains the necessary mechanical strength while significantly reducing the overall weight of the passageway device, resolving the contradiction between strength and weight.
2Strength
If manual welding and specialized assembly processes are used, then mechanical rigidity is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The passageway device is divided into modular segments that can be manufactured separately using standardized processes and then assembled through simple connection mechanisms. This segmentation eliminates the need for complex manual welding during assembly, as each module is pre-assembled with controlled welding in a factory setting, reducing on-site manufacturing complexity while maintaining rigidity.
Solution Approach 2:
The patent replaces traditional mechanical welding and fastening systems with alternative connection methods such as interlocking joints, adhesive bonding, or friction-fit mechanisms. These substitutions simplify the assembly process, reduce the need for specialized welding equipment and skills, and decrease manufacturing complexity while preserving structural integrity.
3Reliability
If precise positioning and specialized installation procedures are used, then operational reliability is improved, but installation time and cost increase
Solution Approach 1:
The patent incorporates preliminary alignment features, pre-drilled mounting holes, and pre-configured connection points during the manufacturing stage. These preliminary actions ensure that during installation, components automatically align correctly without requiring complex positioning procedures or specialized skills, thereby maintaining operational reliability while significantly reducing installation time.
4Stability of the object's composition
If heavy materials and robust construction are used, then structural stability is improved, but logistics and handling become more difficult
Solution Approach 1:
The device is segmented into multiple manageable modules that can be transported and handled separately using standard equipment. Each module maintains the necessary structural stability for its function, but the overall system is assembled on-site. This segmentation resolves the contradiction by enabling easier logistics and handling while preserving structural integrity through proper modular design and connection mechanisms.
Data Source
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AI summary
The present invention relates to an advanced automatic passageway for controlling pedestrian access comprising: - An inner chassis or frame (1), - A chassis fairing or covering (23, 24, 25, 26), - A rotating arm module (16) for controlling passageway access which incorporates a motor (28), a rotating shaft of the motor (31), a gearbox (32), an electromagnetic clutch (36), a swing gate (19) made of tempered glass, a 3D detection module, - Other components such as a motor driver, power supplies, an electronic control board of the device, one or more access credential readers (22), and a communication module, contained in the control board (42). It is a strong and lightweight modular device that covers the entire passage volume of the controlled passageway, both inside (presence zone) and outside (approach zone) same, allowing advanced functions of person detection and counting, object or obstacle detection, capacity control, and anomaly detection.