Exposed Communication Module Layout for Work Vehicle Signal Reliability
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Solution Overview
Problem
Existing communication devices in work vehicles, when placed inside the hood, face degradation in communication state due to electromagnetic wave attenuation, necessitating increased intensity, which can obstruct the driver's field of view and hinder effective communication.
Innovation Solution
The communication module is exposed from the vehicle body to improve the communication state, located rearward of the driving seat, and connected via a wire harness that is arranged below the driving section, with a connector provided for easy detachment, and supported by a stable structure like the ROPS or fenders, ensuring minimal interference with the driver's view and workability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the communication device is installed inside the hood to protect it, then the device is protected by the hood structure, but the communication state is degraded due to electromagnetic wave attenuation
Solution Approach 1:
The patent transitions the communication device from a three-dimensional enclosed space (inside the hood) to a two-dimensional exposed surface position (on the hood or vehicle body). This dimensional change allows the device to maintain protection through strategic positioning while eliminating electromagnetic wave attenuation caused by enclosure, thereby resolving the contradiction between physical protection and communication reliability.
2Reliability
If the communication module is positioned to improve communication state, then the communication quality is enhanced, but the driver's field of view may be obstructed
Solution Approach 1:
The patent applies local quality by selecting a specific location on the vehicle body (rearward of the driving seat, outward of the driving seat in the right-left direction) that has different functional characteristics from other areas. This localized positioning ensures the communication module operates in an area that does not interfere with the driver's field of view while maintaining good communication signals, thus resolving the contradiction between communication quality and driver visibility.
3Stability of the object's composition
If the wire harness is arranged below the driving section to connect controller and communication module, then the wiring is protected and organized, but the connector accessibility for maintenance is reduced
Solution Approach 1:
The patent segments the wire harness into two distinct portions: a first portion extending from the controller below the driving section, and a second portion extending from the first portion to the communication module. This segmentation allows the wire harness to be routed through protected areas while maintaining accessible connection points, resolving the contradiction between organized wiring protection and maintenance accessibility.
Data Source
AI summary
A work vehicle includes a traveling device, a vehicle body supported by the traveling device, and a communication module configured or programmed to transmit information on the vehicle body to an outside. A least a portion of the communication module is exposed from the vehicle body to the outside.