Integrated radiator assembly
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Solution Overview
Problem
Existing vehicle heat pump systems require air supplement and enthalpy increase in low temperature environments to meet heating requirements, and there is a need for energy conservation and consumption reduction.
Innovation Solution
An integrated radiator assembly is designed with refrigerant and cooling liquid flat tubes, where the refrigerant and cooling liquid flow channels are integrated to enable heat exchange without additional air or enthalpy, utilizing heat from the motor and electric control system, and includes a refrigerant and cooling liquid collection tube structure for efficient heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the heat exchanger and radiator are disposed separately, then the system structure is simple and easy to manufacture, but additional air supplement and enthalpy increase are required in low temperature environments to meet heating requirements
Solution Approach 1:
The patent combines the heat exchanger and radiator into a single integrated assembly where the refrigerant flow channels and cooling liquid flow channels are disposed in close proximity. This merging allows heat exchange between the refrigerant and cooling liquid without requiring separate air supplement and enthalpy increase systems, thereby reducing energy consumption while maintaining manufacturing simplicity.
Solution Approach 2:
The integrated radiator assembly serves multiple functions simultaneously: it acts as both a heat exchanger for refrigerant and a radiator for cooling liquid. This multi-functionality enables the system to meet heating requirements in low temperature environments without requiring additional air supplement equipment, thus reducing overall energy consumption while maintaining a simple structural design.
2Ease of manufacture
If the heat exchanger and radiator are disposed separately, then the components can be manufactured independently, but the system cannot effectively utilize heat from motor and electric control system
Solution Approach 1:
The patent integrates the heat exchanger and radiator into a unified structure where cooling liquid flow channels are positioned to effectively capture and utilize waste heat from the motor and electric control system. This merging enables the system to recover and reuse thermal energy that would otherwise be lost, while the modular integrated design still allows for independent manufacturing of the assembly.
3Power
If refrigerant flat tube is externally sleeved with cooling liquid flat tube, then heat exchange efficiency is improved, but the device complexity increases
Solution Approach 1:
The patent employs a nested structure where the refrigerant flat tube is externally sleeved with the cooling liquid flat tube, creating a compact concentric arrangement. This nesting configuration maximizes heat exchange efficiency by minimizing thermal resistance and maximizing contact area, while the standardized nested design actually simplifies the overall device complexity compared to separate multi-component arrangements.
4Power
If refrigerant collection tube and cooling liquid collection tube are separated, then heat exchange between refrigerant and cooling liquid is enabled, but manufacturing and assembly complexity increases
Solution Approach 1:
The patent segments the collection function into separate refrigerant collection tube and cooling liquid collection tube, each optimized for its specific fluid. This segmentation enables effective heat exchange by maintaining separate flow paths while allowing the tubes to be positioned in thermally coupled arrangements. The modular segmented design actually facilitates easier manufacturing and assembly compared to integrated single-tube configurations.
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
The integrated radiator assembly meets heating requirements without air supplement or enthalpy increase, effectively utilizes vehicle heat for energy conservation, reduces system complexity and costs, and enhances production efficiency.
Implementation Method 1
enables heat exchange between the refrigerant in the refrigerant flat tube and the cooling liquid in the cooling liquid flat tube
Implementation Method 2
heat exchange between the refrigerant in the refrigerant flat tube and the cooling liquid in the cooling liquid flat tube
Data Source
AI summary
Provided is an integrated radiator assembly, and belongs to the field of vehicles. The integrated radiator assembly includes: multiple groups of refrigerant flat tubes, wherein multiple refrigerant flow channels are disposed in each group of the refrigerant flat tubes; a refrigerant collection tube, disposed at two ends of the multiple groups of refrigerant flat tubes and in communication with each of the refrigerant flow channels; multiple groups of cooling liquid flat tubes, wherein each of the refrigerant flat tubes is externally sleeved with each of the cooling liquid flat tubes, and multiple cooling liquid flow channels are formed between an outer surface of the cooling liquid flat tube and an outer surface of the refrigerant flat tube; and a cooling liquid collection tube, disposed at two ends of the multiple groups of cooling liquid flat tubes and in communication with each of the cooling liquid flow channels, wherein the cooling liquid collection tube is separated from the refrigerant collection tube, so that a refrigerant circulates in the refrigerant flat tubes and the refrigerant collection tube, and cooling liquid flows in the cooling liquid flat tubes and the cooling liquid collection tube. The integrated radiator assembly is capable of meeting heating use requirements of a heat pump system without air supplement and enthalpy increase.