Showcase Cooling Airflow Layout for Uniform Shelf Temperature
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Solution Overview
Problem
Showcase type cooling devices face limitations in air distribution and accessibility due to closed cooling chambers, leading to uneven cooling and aesthetic constraints, particularly in open buffet systems where visual presentation is crucial.
Innovation Solution
The cooling device incorporates an air outlet channel near the rear side with a guidance profile and inclined flaps that connect to the shelves, ensuring homogeneous air distribution and an openable rear cover for improved access and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a closed cooling chamber is provided at the rear part, then the cooling process can be realized through the front part, but this leads to delimitations in service and adjustment of goods amount and creates a coarse image
Solution Approach 1:
The invention extracts the closed cooling chamber from the rear part of the showcase and replaces it with an openable rear cover. This allows the cooling unit to remain functional while eliminating the restrictions imposed by a closed chamber, enabling flexible service access and adjustable goods display from the rear side.
Solution Approach 2:
The static closed cooling chamber is replaced with a dynamic openable rear cover that can be opened and closed as needed. This dynamic element provides operational flexibility for service and goods adjustment while maintaining the cooling function when closed.
2Reliability
If the evaporator is connected in an inclined manner for drainage, then condensation water drainage is improved, but the air distribution to shelves becomes uneven
Solution Approach 1:
The air outlet channel is segmented into multiple sections with individual flaps for each shelf level. This segmentation allows independent control of air distribution to each shelf, ensuring uniform cooling despite the inclined evaporator configuration that prioritizes drainage.
Solution Approach 2:
Different sections of the air outlet channel are equipped with adjustable flaps tailored to specific shelf requirements. This local customization optimizes air distribution to each shelf area while maintaining the overall inclined evaporator structure for effective drainage.
3Ease of operation
If flaps extend in an inclined manner on guidance profile, then air flow is directed to shelves, but the structure becomes more complex
Solution Approach 1:
The guidance profile serves multiple functions: it provides structural support for the flaps, guides the air flow direction, and enables adjustable positioning. This multi-functionality reduces the need for separate components, simplifying the overall structure while maintaining operational effectiveness.
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
This design allows for uniform cooling of shelves without a closed rear cooling channel, enhancing the aesthetic appeal and operational flexibility by ensuring consistent temperature and easy access to the showcase part.
Implementation Method 1
In general, evaporators are at the lower part. The air suctioned by the fan passes through the evaporator, and said air is dispensed into the cabinets with the help of managers through the cabinet wall.
Implementation Method 2
the cold air, rising from the air outlet channel, reaches the furthest shelf
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The present invention relates to a cooling device (10) which is in showcase type and having a cooling unit (20), a showcase part (30) provided on said cooling unit (20), and at least one shelf (40) provided at said showcase part (30). The improvement of the present invention is that the subject matter cooling device (10) comprises at least one air outlet channel (21) opened into the showcase part (30) from the cooling unit (20) and provided at a section which is close to the rear side of the cooling device (10), at least one guidance profile (50) connected to a rear edge (41) of the shelf (40) in the upper vicinity of said air outlet channel (21), and at least one flap (51) which extends in an inclined manner towards the floor on said guidance profile (50).