Environmental Test Apparatus Input Logic for Temperature Control
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Solution Overview
Problem
Current environmental test apparatuses require operators to manually calculate and input time required for temperature changes, leading to potential errors and increased psychological stress, as they need to accurately set target temperatures, times, and rates, which can result in inconsistent or unexpected temperature loci if not correctly input.
Innovation Solution
The apparatus allows direct input of environmental change rates, inhibiting the input of time information when setting by change rate, and vice versa, ensuring consistency and reducing errors by using change amount, time, or rate information to set target loci of environmental changes, specifically for temperature, humidity, and pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If operators manually calculate and input time required for temperature changes, then the apparatus can achieve temperature control, but operator errors increase and psychological stress increases
Solution Approach 1:
The control apparatus automatically calculates the required time for temperature changes based on the change rate and temperature difference, eliminating the need for operators to perform manual calculations. The system serves itself by computing the time parameter internally when the operator inputs the change rate and temperature values, thereby reducing input errors and psychological stress while maintaining temperature control accuracy.
2Measurement precision
If operators input multiple parameters (target temperature, time, rate), then the apparatus can achieve precise temperature control, but the complexity of operation increases
Solution Approach 1:
The invention extracts the time parameter from the set of parameters that operators must manually input. When operators input the change rate and target temperature, the system automatically derives the required time, effectively removing the burden of time calculation and input from the operator's task while preserving the precision of temperature control through the maintained relationship between change rate, temperature difference, and calculated time.
3Adaptability or versatility
If the apparatus accepts both time information and change rate information as input, then the apparatus is more flexible, but input errors increase due to potential inconsistencies
Solution Approach 1:
Instead of allowing operators to input both time and change rate information independently (which could lead to inconsistencies), the invention inverts the approach by having the system calculate time from the change rate and temperature difference. This ensures that the time parameter is always consistent with the other inputs, eliminating the possibility of contradictory specifications while maintaining input flexibility for the essential parameters.
Data Source
AI summary
An object of the invention is to provide an environmental test apparatus which can directly set an environmental change rate and hardly causes input errors. Change amount information associated with a total change amount and change rate information associated with a change amount per unit time can be input. A target locus of change can be set by using a change amount/change rate setting method of setting the target locus of change based on a combination of change amount information and change rate information. When setting the target locus of change by the change amount/change rate setting method, input of time information is inhibited.