Control Cabinet Cooling With Encapsulated Condensate Separation
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Solution Overview
Problem
Existing control cabinet cooling devices suffer from undefined condensate removal, leading to uncontrolled condensate collection and formation on the outer sides of condensate separators, which complicates regulation and requires precise temperature management to avoid condensation issues.
Innovation Solution
A control cabinet cooling device with an encapsulation surrounding the lower end of the droplet separator, featuring a condensate collection reservoir and air guide geometries that suspend condensate droplets, ensuring reliable removal and preventing condensate formation on side walls through thermal insulation and modular design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a condensate separator is provided in the control cabinet cooling device, then condensate removal should be improved, but the condensate removal occurs in an undefined manner leading to uncontrolled condensate collection
Solution Approach 1:
The condensate separator is segmented into multiple functional zones: an upper separation chamber with inertial separators for initial condensate removal, and a lower encapsulation with thermal insulation for controlled condensate collection. This segmentation allows different regions to perform specific functions, ensuring defined condensate removal paths and preventing uncontrolled collection.
Solution Approach 2:
The patent introduces an intermediary thermal insulation layer between the cold condensate separator surfaces and the warmer external environment. This intermediary prevents condensation formation on the outer surfaces while allowing controlled condensate collection in the designated reservoir, thus resolving the contradiction between effective condensate removal and controlled collection.
2Device complexity
If the droplet separator is exposed without encapsulation, then the structure is simpler, but condensate forms on the cold outer sides and runs down uncontrolled
Solution Approach 1:
The patent employs a thermal insulation encapsulation shell that surrounds the droplet separator. This flexible shell design provides thermal protection to prevent condensation on outer surfaces while maintaining the structural integrity and functional performance of the separator. The encapsulation is designed to be minimal yet effective, balancing complexity with reliability.
Solution Approach 2:
The thermal insulation encapsulation acts as a beforehand cushioning measure, preventing condensation formation on the outer surfaces of the droplet separator before it can occur. By providing this protective layer in advance, the system prevents the harmful effect of uncontrolled condensate runoff, ensuring reliable condensate control without excessive structural complexity.
3Productivity
If air flow speed is increased to improve cooling efficiency, then productivity is improved, but condensate formation and control issues worsen
Solution Approach 1:
The patent changes the thermal parameters of the condensate separator by introducing thermal insulation encapsulation. This parameter change allows the system to maintain high air flow speeds for improved cooling efficiency while simultaneously preventing condensation on external surfaces, thus resolving the contradiction between productivity and condensate management reliability.
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 solution provides defined condensate removal, preventing uncontrolled condensate collection and maintaining high air flow speeds without the need for complex dew point regulation, ensuring efficient operation and reduced operational complexity.
Implementation Method 1
condensate droplets occurring due to the air flow through the heat exchanger on the heat exchanger and entrained by the air flow remain suspended due to their inertia
Implementation Method 2
are led due to gravity to the lower end of the droplet separator
Implementation Method 3
The encapsulation can be formed from a thermal insulation material, for example, from a foamed insulation material
Implementation Method 4
led through an air-refrigerant heat exchanger in the housing
Implementation Method 5
condensate droplets occurring due to the air flow through the heat exchanger
Data Source
AI summary
A control cabinet cooling device (1) includes a housing (2) which comprises a hot air inlet (3) and a cooling air outlet (4), wherein the air to be cooled is suctioned by means of at least one fan (5) in the housing (2) via the hot air inlet (3) into the housing (2), led through an air-refrigerant heat exchanger (6) in the housing (2) and blown out as cooled air via the cooling air outlet (4), wherein a droplet separator (7) is arranged downstream of the air-refrigerant heat exchanger (6) in the air flow direction through the housing (2), wherein at least one lower end (8) of the droplet separator (7) in vertical direction is enclosed by an encapsulation (9) which, on the side thereof facing the droplet separator (7), comprises a condensate collection reservoir (10), into which a condensate discharge (11) of the droplet separator (7) leads.