UAV Gimbal Cable Routing for Dustproof Camera Integration
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Solution Overview
Problem
The existing gimbal systems on unmanned aerial vehicles (UAVs) face challenges in maintaining dustproof and moisture-proof performance due to the need for electrical connections between the camera and the flight control system, which often require external wires that interfere with the UAV's appearance and functionality.
Innovation Solution
A gimbal design that incorporates a coaxial cable system with wiring spaces within the gimbal's structure, allowing the coaxial cable to pass through these spaces for electrical connection without exposing it externally, thus reducing the need for holes that could compromise dustproofing and moisture-proofing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the connecting wire is disposed outside the gimbal, then the electrical connection between camera and flight control system is achieved, but the appearance of the UAV is affected and the wire easily interferes with other objects
Solution Approach 1:
The coaxial cable is nested within the gimbal structure, passing through internal wiring spaces formed in the support arms and limiting shafts. This nesting approach hides the cable within the existing structural components, maintaining the UAV's appearance while achieving reliable electrical connection between the camera and flight control system.
2Shape
If the connecting wire is disposed inside the gimbal, then the appearance is maintained, but holes must be punched on the side of the gimbal which reduces dustproof performance
Solution Approach 1:
The support arms and limiting shafts serve dual functions: they provide structural support for the gimbal mechanism while simultaneously serving as conduits for the coaxial cable through internally formed wiring spaces. This multi-functionality eliminates the need for separate cable passages that would require punching holes through the gimbal housing, thereby maintaining dustproof performance while keeping the cable hidden inside.
3Ease of operation
If holes are punched on the side of the gimbal to accommodate the wire, then the wire can pass through internally, but the dustproof performance is reduced
Solution Approach 1:
The wiring path is segmented into multiple sections, with the coaxial cable passing through separately formed wiring spaces in different components (support arms and limiting shafts) rather than requiring a single hole through the entire gimbal assembly. This segmentation allows the cable to be routed internally through existing structural gaps and cavities, eliminating the need to compromise the dustproof sealing of the gimbal housing.
Data Source
AI summary
Embodiments of the present disclosure provides a gimbal. The gimbal includes a pitch motor, a coaxial cable, and a first support arm arranged opposite a second support arm. The pitch motor is disposed at a front end of the first support arm, a motor shaft of the pitch motor extending in a direction of the second support arm for connecting with one end of an imaging device; a limiting shaft is disposed at a front end of the second support arm, the limiting shaft extending in a direction of the first arm for connecting with another end of the imaging device; a first wiring space is formed in the limiting shaft and a second wiring space is formed in the second support arm, a first end of the coaxial cable sequentially passing through the second wiring space and the first wiring space for electrically connecting with the imaging device.