Rail Cab Cool Box with Velcro Mounting and Nesting
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Solution Overview
Problem
Rail vehicle driver's cabs face challenges in storing temperature-sensitive items like food and medicines due to limited space and high temperatures, which can compromise safety and emergency preparedness.
Innovation Solution
A cool box is integrated into the driver's cab, utilizing a structural unit with a refrigeration machine and attached via a Velcro fastener to a pull-out support element, allowing for easy installation, energy-efficient operation, and vibration isolation, with optional active or passive ventilation for heat management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cool box is installed in the driver's cab to store temperature-sensitive items, then the storage capability for food and medicines is improved, but the device complexity and space utilization are worsened due to limited cab space
Solution Approach 1:
The cool box is nested within the existing cabinet structure of the driver's cab. The refrigeration unit integrates with the cabinet's internal space, utilizing the cabinet as a housing for the cooling system. This nesting approach allows the cool box to be installed without requiring additional external space or significantly increasing device complexity, as it leverages the existing cabinet volume for storage and mechanical support.
Solution Approach 2:
The cabinet in the driver's cab serves multiple functions: it provides storage for general items, houses the cool box for temperature-sensitive items, and maintains its structural role within the cab. The refrigeration unit itself can serve both as a cooling device and as a structural element within the cabinet assembly, reducing the need for separate dedicated components and thereby limiting the increase in device complexity.
2Reliability
If a cool box is installed in the driver's cab to store temperature-sensitive items, then the storage capability for food and medicines is improved, but the space available for technical equipment is worsened
Solution Approach 1:
The cool box is nested within the existing cabinet structure of the driver's cab. The refrigeration unit integrates with the cabinet's internal space, utilizing the cabinet as a housing for the cooling system. This nesting approach allows the cool box to be installed without requiring additional external space or significantly increasing device complexity, as it leverages the existing cabinet volume for storage and mechanical support.
Solution Approach 2:
The cool box utilizes the vertical dimension within the cabinet space rather than only horizontal space. By designing the cool box to fit within the cabinet's height and depth dimensions, the solution maximizes the use of three-dimensional space available in the driver's cab, thereby minimizing the impact on space required for technical equipment while still providing adequate storage volume for temperature-sensitive items.
3Ease of operation
If the cool box is made detachable via Velcro fastener for easy relocation, then the ease of operation is improved, but the reliability of attachment during vehicle operation is worsened
Solution Approach 1:
The attachment system transitions from a static permanent fixation to a dynamic detachable connection using Velcro fasteners. This allows the cool box to be easily removed and repositioned by the driver when needed, while still maintaining sufficient attachment strength during normal vehicle operation. The dynamic nature of the Velcro connection enables both ease of operation for relocation and adequate reliability for secure mounting during travel.
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 a reliable and space-efficient means to store temperature-sensitive items without compromising vehicle operation or emergency safety, ensuring effective cooling and easy relocation of the cool box as needed.
Implementation Method 1
a cool box (40) for holding and cooling movable objects, in particular food and medicines
Implementation Method 2
attached via a Velcro fastener to a pull-out support element
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
The invention relates to a rail vehicle (21), comprising a driver's cab (20) designed to allow the driver to drive the rail vehicle (21), wherein a cooler (40) for receiving and cooling movable objects, in particular food and medication, is arranged in the driver's cab (20).