Modular Vehicle Air Conditioning Layout for Condensation Control
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Solution Overview
Problem
Integrated air conditioning devices for vehicles lack operational flexibility and adaptability to different conditions, and struggle with condensation management due to temperature differences within the evaporator and air flow.
Innovation Solution
A modular air conditioning device with separate casings for conditioning means and radiator mass, allowing for selective coupling and orientation, and a third casing for condensation collection with inclined surfaces to manage condensation effectively across various positions and orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single integrated casing is used to house all conditioning components, then the device achieves compact integration, but the device lacks operational flexibility and adaptability to different conditions
Solution Approach 1:
The device is divided into separate modular components: a first casing housing the conditioning means (evaporator, condenser, compressor) and a second casing housing the radiator mass (heater). These modules can be independently configured, installed, and maintained, providing operational flexibility while maintaining integration benefits. The segmentation allows different configurations for different vehicle types and operating conditions.
2Temperature
If the conditioning means operates at low temperatures to cool air effectively, then cooling performance is improved, but condensation forms due to temperature difference with the air flow
Solution Approach 1:
A drainage system is introduced as an intermediary component to manage condensation. The system includes drainage channels formed in the evaporator structure and a drainage outlet that directs condensed water away from the conditioning system. This mediator component resolves the harmful effect of condensation while maintaining the low operating temperatures necessary for effective cooling.
3Adaptability or versatility
If the device is designed for a specific vehicle type with fixed installation requirements, then manufacturing is simplified, but the device cannot be adapted to different construction requirements
Solution Approach 1:
The device is designed with universal mounting features and standardized connection interfaces that allow the same modular units to be installed in different vehicle types (passenger cars, commercial vehicles, work vehicles). The first and second casings can be independently positioned and connected through various mounting configurations, enabling one design to serve multiple applications without requiring complete redesign for each vehicle type.
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 modular design enhances adaptability and flexibility, allowing for optimal condensation collection and efficient air conditioning without the need for redesigning the entire device, improving reliability and cost-effectiveness.
Implementation Method 1
a fluidic circuit configured to circulate a first operative fluid; conditioning means housed in a first casing and fluidically connected to the fluidic circuit, the conditioning means being configured to cool the air
Implementation Method 2
a radiator mass (commonly known as a 'heater') configured to receive an operative fluid other than the one mentioned above, e.g. water heated by the vehicle engine, and defining a heat exchange interface between the operative fluid received and the air, in order to heat the passenger compartment
Implementation Method 3
the formation of condensation within the evaporator, due to the temperature difference between the evaporator and the air flow to be conditioned that laps it. Such temperature difference causes the moisture present within the air stream to be condensed
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
Air conditioning device for conditioning the air present in an inner environment of a means of transport, comprising a fluidic circuit configured to circulate a first operative fluid, conditioning means (3) cooperating, in use, with the circuit to condition the first operative fluid and, through this, the air present in the inner environment of the means of transport, and a radiator mass (4) configured to receive a second operative fluid and defining a heat exchange interface between the second operative fluid received and the air that laps/crosses, in use, the radiator mass (4), wherein the device (1) is of a modular type and the conditioning means (3) and the radiator mass (4) are housed in respective casings (5, 7) separate and releasably connectable to each other directly or with interposition of parts.