Fluid Control Apparatus Bracket Design to Reduce Heater Heat Transfer
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Solution Overview
Problem
The increasing temperature of an integration unit heated by a heater block causes heat to be transferred to adjacent fluid control devices, affecting the fluid flowing through them.
Innovation Solution
A fluid control apparatus is designed with a base plate, a gas line featuring resin members, first and second brackets, joints, fluid control devices, and a heater, where the brackets create a space between the heater and the base plate to minimize heat transfer, using resin members with excellent heat-insulating properties and metal brackets to direct the heater away from the base plate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the temperature of the integration unit is increased to improve heating performance, then the heating efficiency is improved, but the heat transfer to adjacent fluid control devices increases, affecting fluid temperature control
Solution Approach 1:
A bracket structure is introduced as an intermediary component between the heater block and the fluid control devices. The bracket includes a heater mounting portion and a fluid control device mounting portion, creating physical separation and thermal isolation. This intermediary structure prevents direct heat transfer from the heated integration unit to the fluid control devices, allowing high heating temperature while protecting adjacent components from excessive heat.
2Use of energy by moving object
If the heater block is placed directly on the integration unit to maximize heating efficiency, then the heating performance is improved, but the heat directly affects adjacent fluid control devices
Solution Approach 1:
The bracket structure segments the heating function from the fluid control function by providing separate mounting portions. The heater block mounting portion allows efficient heat generation, while the fluid control device mounting portion maintains thermal isolation. This segmentation enables the system to achieve both high heating efficiency and stable fluid temperature control by physically separating the heat source from heat-sensitive components.
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 configuration effectively suppresses the heat transfer from the heater to the base plate, reducing its influence on adjacent fluid control devices and maintaining optimal fluid temperatures.
Implementation Method 1
a gas line that is installed on the base plate. The gas line includes a resin member that is provided in a predetermined direction on the base plate
Data Source
AI summary
A fluid control apparatus includes: a base plate; and a gas line installed on the base plate. The gas line includes a resin member provided in a predetermined direction on the base plate, a first bracket provided on the resin member, a plurality of joints provided on the first bracket, a plurality of fluid control devices provided to the plurality of joints, and a heater mounted to the plurality of joints and the plurality of fluid control devices. The first bracket includes a first fixing portion fixed to the resin member, a first leg portion extending from the first fixing portion in a direction of away from the base plate, and a first installation portion protruding from an end portion of the first leg portion on an opposite side to the first fixing portion to intersect with the first leg portion and on which the joints are installed.