Outdoor Unit Panel Segmentation for Simplified Maintenance Access
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Solution Overview
Problem
The existing outdoor units of refrigeration apparatuses require complex and labor-intensive detachment methods for maintenance access, as the wide and heavy panels with surrounding supports complicate the process of accessing electrical components.
Innovation Solution
The outdoor unit design features a panel divided into a first and second panel, with the first panel having an inclined part that functions as a handle for easier detachment, allowing service personnel to access electrical components by detaching only the first panel while the second panel remains attached, simplifying the process and reducing the need for multiple panel detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the panel is made wide and surrounded by supports for structural stability, then the structural strength is improved, but the ease of operation deteriorates because the panel becomes heavy and difficult to detach
Solution Approach 1:
The panel is divided into a first panel and a second panel that can be detached separately. The first panel is detachable for accessing the electric component box, while the second panel remains attached to maintain structural support. This segmentation allows selective removal of only the necessary panel portion, reducing the effort required for detachment while maintaining overall structural integrity.
2Reliability
If the panel is made wide to cover the electric component box, then the protective function is improved, but the ease of operation deteriorates because a larger area needs to be detached for maintenance access
Solution Approach 1:
The protective panel is segmented into a first panel covering the electric component box and a second panel covering other areas. Only the first panel needs to be detached for maintenance access to electrical components, while the second panel remains attached. This segmentation reduces the area requiring detachment while maintaining comprehensive protective coverage when both panels are attached.
Solution Approach 2:
The first panel is extracted as a separate detachable component from the overall panel structure. This allows the first panel to be removed independently for maintenance purposes while the second panel remains in place, enabling selective access to the electric component box without removing the entire panel assembly.
3Reliability
If multiple panels are used to cover different areas, then the protective function is improved, but the device complexity increases due to multiple detachment steps
Solution Approach 1:
The panel system is segmented into exactly two panels (first and second panels) with clear functional differentiation. The first panel is designed to be detachable for maintenance access, while the second panel remains attached. This minimal segmentation avoids over-complication while providing the necessary protective and access functions.
Solution Approach 2:
The first panel is extracted as a separate detachable component, allowing maintenance personnel to remove only the necessary panel for accessing the electric component box. This extraction approach simplifies the detaching process compared to removing multiple panels, as only the first panel needs to be detached while the second panel remains in place.
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
This design simplifies the maintenance process by reducing the workload and operation time, improving work efficiency by allowing access to electrical components with fewer steps and less physical effort, while preventing erroneous assembly through distinct hook parts.
Implementation Method 1
the first panel includes an inclined part configured to make the width of the first panel narrower as the height position goes down in the front view, and wherein the inclined part is configured as a handle to enable a service person to lift the first panel by hooking a finger onto the inclined part
Data Source
Figure 1
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AI summary
An object of the present invention is to provide an outdoor unit of a refrigeration apparatus that facilitates detachment of a panel, for example, at a time of accessing an electric part, such as an electric component box. In an outdoor unit (1), since a front panel (24) is divided into a first panel (24a) and a second panel (24b), when accessing an electric component box (6), a service person for initial setting or maintenance can detach only the first panel (24a) from a casing (2) while the second panel (24b) remains attached to an original position of the casing (2). As a result, the service person can access the electric component box (6) while only the first panel (24a) is detached. Further, a conventional configuration needs detachment of a plurality of panels, increases a total weight though reducing a weight of each panel, and increases the number of panels. The service person is thus required to adopt a complicated detaching method. However, this outdoor unit (1) eliminates the need for such a complicated detaching method, reduces operation time, and improves work efficiency.