Sliding Control Box Panel for Air Conditioner PCB Maintenance
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Solution Overview
Problem
Existing air conditioner control box assemblies require disassembly for repair or inspection, which complicates the process and occupies unnecessary space, making it difficult to efficiently utilize the space inside the control box and perform maintenance.
Innovation Solution
The air conditioner features a control box assembly with a sliding panel and a rotation panel that allow for easy access and maintenance without disassembly, utilizing a guide rail system and hinge bracket for sliding and rotational movement, enabling inspection and repair of circuit units while keeping cables connected.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the control box assembly is fixed and PCB circuits are stacked inside, then the structure is stable and compact, but repair and inspection require disassembly and separation of the control box assembly
Solution Approach 1:
The control box assembly is segmented into a stationary control box and a movable panel assembly that can be independently accessed. The panel containing the PCB circuit board is separated from the main control box structure, allowing it to be pulled out for repair while the control box remains in place. This segmentation enables localized access to circuit components without requiring complete disassembly of the control system.
Solution Approach 2:
The panel assembly is designed with dynamic characteristics, allowing it to transition between a fixed position during operation and an accessible position during maintenance. The panel can be pulled out along guide rails and rotated using a hinge bracket, providing dynamic access to circuit boards for inspection and repair while maintaining structural integrity during normal operation.
2Ease of repair
If the control box assembly is separated for repair, then circuit units can be accessed, but the volume of the control box and air conditioner increases
Solution Approach 1:
The panel assembly containing the PCB circuit board is nested within the control box structure during normal operation, maximizing space utilization. When repair is needed, the panel is pulled out along guide rails and rotated outward using a hinge bracket, allowing access to circuit units without permanently increasing the control box volume. The nested configuration ensures that maintenance components are housed efficiently within the existing volume constraints.
3Volume of stationary object
If PCB circuits are stacked in the control box, then space utilization is maximized, but repair requires complete disassembly of the control box assembly
Solution Approach 1:
The control system is divided into a stationary control box housing and a movable panel assembly containing the PCB circuit board. This segmentation allows the panel to be independently accessed by pulling it out along guide rails and rotating it with a hinge bracket, enabling maintenance operations without disassembling the entire control box and preserving compact space utilization during normal operation.
Solution Approach 2:
The panel assembly incorporates dynamic movement mechanisms including guide rails for linear extraction and a hinge bracket for rotational access. This dynamic design allows the panel to transition from a compact nested position that maximizes space utilization to an accessible position that facilitates easy maintenance of stacked PCB circuits without requiring permanent structural changes.
Data Source
AI summary
An air conditioner includes a control box assembly capable of efficiently utilizing a space inside a control box and easily performing inspection and repair of a circuit unit disposed in the control box. The air conditioner includes a case that constitutes an exterior and a control box assembly mounted in the case, wherein the control box assembly includes a control box in which an accommodation portion is formed, a sliding panel having one side on which a circuit unit is mounted and being accommodated in the accommodation portion so as to be taken out of the control box, and a rotation panel having one side on which the circuit unit is mounted and being rotatably mounted at one side of the control box.