Outdoor unit and heat exchanger of air conditioner
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Solution Overview
Problem
Existing heat exchangers for air conditioners have complex structures that increase manufacturing costs and time due to the numerous parts required for fixation, and they do not efficiently protect refrigerant tubes.
Innovation Solution
A heat exchanger with an improved structure that reduces the number of parts needed for fixation by using a unified type of holder for all heat exchange units, thereby simplifying the manufacturing process and enhancing protection for refrigerant tubes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple different types of holders are used to fix different heat exchange units, then the fixation stability is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent applies universality by designing a single type of holder that can fix multiple different heat exchange units (first, second, third, and fourth heat exchange units). The holder includes a support plate with multiple support surfaces that can accommodate different types of heat exchange units, eliminating the need for separate holders for each unit type. This reduces the number of parts while maintaining fixation stability.
2Reliability
If multiple different types of holders are used to fix different heat exchange units, then the fixation stability is improved, but the manufacturing time and cost increase
Solution Approach 1:
The unified holder design allows for standardized manufacturing processes. The support plate with multiple support surfaces can be produced as a single component type, reducing the variety of parts that need to be manufactured and assembled. This standardization reduces manufacturing time while maintaining the ability to securely fix different heat exchange units.
3Reliability
If multiple different types of holders are used to fix different heat exchange units, then the fixation stability is improved, but the manufacturing cost increases
Solution Approach 1:
The patent reduces manufacturing cost by eliminating the need to produce multiple different types of holders. The single holder design with a support plate and multiple support surfaces can be mass-produced as a standardized component, reducing tooling costs, inventory requirements, and assembly complexity. This unified approach maintains fixation stability while lowering overall manufacturing expenses.
4Area of stationary object
If refrigerant tubes are arranged in multiple columns parallel to each other to expand heat transfer area, then the heat transfer efficiency is improved, but the structural complexity increases
Solution Approach 1:
The patent merges the fixation function for multiple heat exchange units into a single holder structure. The support plate with multiple support surfaces consolidates what would otherwise require multiple separate holders, simplifying the overall structure while accommodating the multi-column arrangement of refrigerant tubes needed for expanded heat transfer area.
Data Source
AI summary
The present disclosure relates to an outdoor unit of an air conditioner. The outdoor unit includes: a plurality of first refrigerant tubes arranged along a first column extending in a first direction, a plurality of second refrigerant tubes arranged along a second column parallel to the first column, a first holder including a first support plate supporting the plurality of first refrigerant tubes, a first extension extending from one side of the first support plate, and a second extension extending from another side of the first support plate, and a second holder including a second support plate supporting the plurality of second refrigerant tubes, a third extension extending from one side of the second support plate, and a fourth extension extending from another side of the second support plate. The second extension is disposed between the first extension and the second holder, and the third extension is disposed between the fourth extension and the first holder. The second extension and the third extension are in contact with and coupled to each other.