A movable projector cabinet
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Solution Overview
Problem
Conventional projectors require complex installation, take up space, and pose risks during transport and use, especially in large event spaces, with challenges in dust protection, theft, and cooling limitations.
Innovation Solution
A movable projector cabinet with a projector space inside the cabinet, featuring a shelf at an inclination angle for optimal projector positioning, built-in speakers, and efficient cooling via fans, allowing operation from within the cabinet without external setup or expertise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the projector is placed on top of the cabinet for use, then the projector is easily accessible, but there is a risk of dust adhering and theft when not in use
Solution Approach 1:
The projector is nested inside the cabinet body when not in use, with the lens extending through an opening in the front wall. This allows the projector to be stored protected within the cabinet while still being accessible for operation, eliminating both dust exposure and theft risk during storage periods.
Solution Approach 2:
The projector is designed to be movable between an extended position (lens through front wall opening for projection) and a retracted position (stored inside cabinet). This dynamic positioning allows the system to adapt between accessibility needs and protection needs.
2Object-affected harmful factors
If the projector is stored inside the cabinet, then dust adhesion and theft risks are reduced, but the operation is complicated because the projector must be moved from inside the cabinet to the top of the cabinet when set for use
Solution Approach 1:
The projector is nested within the cabinet body with its lens extending through a front wall opening. This eliminates the need to move the projector between cabinet top and storage location, as it remains in a fixed position inside the cabinet while maintaining projection capability.
Solution Approach 2:
The cabinet is segmented into functional zones: a projector space inside the cabinet body, a table plane for input devices, and an opening in the front wall for the projector lens. This spatial segmentation allows the projector to operate from within the cabinet while other devices occupy the table plane.
3Volume of moving object
If the projector is placed inside the cabinet, then space utilization is improved, but cooling of the projector is substantially limited
Solution Approach 1:
The cabinet structure provides localized cooling features: the front wall contains an opening for the projector lens that also serves as a cooling air intake, and the cabinet body includes dedicated cooling air flow paths. This allows the projector to be cooled effectively while positioned inside the cabinet, addressing the local thermal requirements without compromising overall space utilization.
4Stability of the object's composition
If fixed installation is used, then the projector is stable, but a certain space at the installation site is always reserved and installation work is required
Solution Approach 1:
The projector is merged with the movable cabinet body, forming an integrated unit that includes the projector, cooling system, and storage space. This combination allows the entire system to be moved as one unit to different locations while maintaining stable operation at each site, eliminating the need for repeated installation and cabling work.
Solution Approach 2:
The cabinet serves multiple functions: it houses the projector, provides cooling, offers storage space, and includes a table plane for input devices. This multi-functionality makes the system adaptable to various locations and uses without requiring site-specific installation infrastructure.
5Adaptability or versatility
If movable projector is used, then flexibility of use in several different places is improved, but installation and set-up work is still required and expert knowledge is needed
Solution Approach 1:
The cabinet is pre-configured with the projector mounted inside, cooling air flow paths established, and the lens opening positioned in the front wall. This preliminary setup eliminates the need for complex installation and cabling work at the use site, allowing users to simply move the cabinet to the desired location and begin operation without requiring expert knowledge.
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 solution provides a flexible, cost-effective, and user-friendly AV system that reduces installation complexity, minimizes equipment damage, and ensures efficient cooling, making it suitable for various event spaces without the need for external speakers or extensive cabling.
Implementation Method 1
a shelf defining a floor of the projector space is arranged at an inclination angle α in relation to a plane parallel to a base and configured to receive a projector on the shelf so that a lens of the projector is facing towards the front wall and that the lens can be arranged to extend through an opening arranged in the front wall
Implementation Method 2
efficient cooling via fans
Data Source
AI summary
A movable projector cabinet (1) in which a projector (10) can be set to inside the cabinet and operated from inside the cabinet so that the projector does not need to be moved from the cabinet for use.