Device for precise temperature control

Abstract

A temperature control device in which problems of conventional temperature control devices are solved, the problems being their insufficient heating capacity for target fluid to be regulated in temperature, the problems requiring them to have auxiliary heating means such as auxiliary electric heaters. The temperature control device has a proportional three-way valve (20) that, in order to control the temperature of the target fluid passing through the heater (14) in a heating flow passage and cooler (16) in a cooling flow passage, feeds a part of high-temperature first heat medium discharged from a compressor (18) to a heater (14), cools the remaining part of the high-temperature first heat medium that is fed to a cooling flow passage, subjects it to adiabatic expansion, further cools it, and then supplies it to a cooler (16); a heat absorber (32) of heat pump means, in which the first heat medium, which is cooled by the cooler (14), adiabatically expanded, and further cooled, absorbs heat from the cooling water fed from the outside to thereby increase the heating capacity of the heating flow passage; an accumulator (36) that merges the first heat medium having passed through both the cooler (16) and the heat absorber (32) and re-feeds the merged medium to the compressor (18); and a first control part (22a) that controls the proportional three-way valve (20) so as to regulate the target fluid to a predetermined temperature by continuously changing the distribution ratio of the hot first heat medium distributed to the heating flow passage and the cooling flow passage.

Description

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AI Technical Summary

Benefits of technology

This patented technology describes an improved system called rotating speed controller (RSC) which helps regulate the compression machine's rotation speeds based upon its own characteristics such as ambient temperatures or pressures. By changing the number of times during operation between two different modes, this allows more efficient use of power resources while maintaining precise temperature settings. Additionally, there may exist variations in how much thermal capacity remains unused due to factors like unevenness across the entirety of the circuit board. To address these issues, the design includes multiple circuits with separate valves and pipes connected together. Overall, this innovation improving efficiency and reducing excessive energy consumption reduces costs associated with electricity usage.

Problems solved by technology

This patents describes various technical problem addressed during thermal regulation (regulating) in industrial environments due to factors including environmental conditions, equipment design limitations, and variations between different temperatures. These issues affect how well these systems work properly at each stage.

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