Sliding Control Box Assembly for Easier Air Conditioner PCB Service
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional air conditioners have complex and costly attachment units for PCBs, which complicate repairs and replacements, increasing time and production costs.
Innovation Solution
An air conditioner with a control box assembly featuring a mounting unit and guide units that allow for rectilinear and rotational motion, enabling easy access and removal of the circuit board without separating the front panel, thus enhancing serviceability and reducing production costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the control box is fixedly installed in the casing with a complex attachment unit, then the structural stability is improved, but the ease of repair deteriorates
Solution Approach 1:
The control box assembly is segmented into separable components: the control box housing, the circuit board with mounting units, and the cover. This segmentation allows the circuit board to be independently accessed and replaced without dismantling the entire control box or separating the front panel from the air conditioner, thus improving ease of repair while maintaining structural stability through the guide units that ensure proper alignment during reassembly.
Solution Approach 2:
The mounting units are designed to be movable rather than fixed, allowing them to slide along guide units and rotate into engagement positions. This dynamic design enables the circuit board to be easily inserted and removed by simple sliding and rotating motions, significantly improving repairability while the guide units maintain structural stability during operation.
2Reliability
If the control box is fixedly installed in the casing, then the reliability is improved, but the ease of manufacture deteriorates
Solution Approach 1:
The control box assembly is divided into modular components that can be manufactured separately and assembled through simple guide-unit-based engagement. The circuit board, mounting units, and control box housing are separate modules that snap together using the guide units, simplifying the manufacturing process while ensuring reliable connections through the guided alignment mechanism.
Solution Approach 2:
The dynamic mounting units with sliding and rotating motions provide a simple assembly process that does not require complex fastening operations. The guide units automatically align components during assembly, reducing manufacturing complexity while ensuring reliable and consistent positioning of the circuit board within the control box.
3Reliability
If a complex attachment unit is used to mount the PCB, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The mounting units utilize simple sliding and rotating motions guided by guide units, replacing complex attachment mechanisms with basic mechanical movements. This dynamic approach ensures reliable mounting through guided alignment and engagement while significantly reducing the complexity of the attachment unit structure.
4Ease of repair
If the front panel is separated from the air conditioner to access the PCB, then the ease of repair is improved, but the loss of time increases
Solution Approach 1:
The circuit board with its mounting units is extracted as a separate, independently accessible component within the control box. The mounting units can be slid out and rotated to expose the circuit board for repair without requiring separation of the front panel from the air conditioner, thus improving ease of repair while minimizing time loss by eliminating unnecessary disassembly steps.
Data Source
AI summary
Disclosed is an air conditioner having a control box assembly, which enhances the serviceability of a circuit board and reduces production costs. In the air conditioner, which has a casing unit forming an external appearance of the air conditioner, a heat exchanger, a blowing device, and a control box assembly provided in the casing, the control box assembly includes a mounting unit mounting a circuit board; a control box housing the circuit board and the mounting unit; and guide units provided in the control box to guide a rectilinear reciprocating motion of the mounting unit to allow the mounting unit to come into and out of the control box and guide a rotating motion of the mounting unit in the case that the mounting unit is located at a designated position.