Railway equipment inspecting and measuring apparatus, and railway equipment inspecting and measuring method
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Solution Overview
Problem
Existing railway equipment inspecting and measuring apparatuses face challenges in effectively controlling the temperature of control units installed on passenger cars, particularly due to extreme temperature fluctuations caused by sunlight and cold climates, which can affect the operational reliability of the apparatuses.
Innovation Solution
A temperature control system is implemented using a heat insulating case and a cover with heat-resistant coatings, along with a temperature adjustment unit that includes heat exchange elements, fans, and ventilation holes, to maintain optimal operating temperatures for the control unit, even in constrained rooftop spaces of passenger cars.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the control unit is installed on the rooftop of the passenger car, then the inspection data collection frequency is improved, but the temperature control becomes difficult due to extreme environmental conditions
Solution Approach 1:
The patent divides the control unit installation into two separate spaces: a first space (internal chamber) that provides thermal insulation and houses the control unit, and a second space (external mounting area) that is directly exposed to environmental conditions. This segmentation allows the control unit to be protected from extreme temperatures while still being mounted on the rooftop for frequent data collection
Solution Approach 2:
The patent introduces a heat insulating case as an intermediary structure between the control unit and the external environment. This heat insulating case acts as a thermal barrier, mediating the temperature conditions to keep the control unit within operational temperature ranges despite extreme external conditions on the rooftop
2Temperature
If large-scale air conditioning equipment is installed to control temperature, then temperature control capability is improved, but the installation space requirement increases
Solution Approach 1:
The patent extracts the temperature control function from a large-scale air conditioning system and implements it through a compact heat exchange element integrated into the heat insulating case. This extraction allows effective temperature control to be achieved with minimal space, eliminating the need for bulky air conditioning equipment
Solution Approach 2:
The patent changes the thermal parameters of the installation structure by incorporating heat insulating materials and a heat exchange element within the heat insulating case. This parameter change enables passive thermal management and active temperature control with a compact system that fits within the limited rooftop space
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 solution effectively regulates the temperature of the control unit, ensuring reliable operation across varying environmental conditions, allowing for precise temperature control and efficient heat management, thus enabling the installation of the apparatus on passenger cars without the need for large air conditioning systems.
Implementation Method 1
the surface of the cover is coated with a heat-resistant coating
Implementation Method 2
the temperature adjustment unit has heat conduction members that conduct heat between the air in the first and second spaces and the heat exchange element
Implementation Method 3
fans that transfer the air inside the first and second spaces
Data Source
AI summary
Effectively control the temperature of a control unit of a railway equipment inspecting and measuring apparatus, and install the control unit of the railway equipment inspecting and measuring on the roof of the passenger car. The first space is formed between the control unit and the heat insulating case. The second space is formed between the heat insulating case and the cover. In the first space, heat is conducted between the air in the first space and the heat exchange element by the first heat conducting member, and the first fan causes circulation of the air in the first space. In the second space, heat is conducted between the air in the second space and the heat exchange element by the second heat conducting member, and the air inside the second space is diffused by blowing the air from a suction port into the second space with the second fan.