Intelligent temperature control system based on DDC (Direct Digital Control) for electrical equipment

Abstract

The invention relates to an intelligent temperature control system based on DDC (Direct Digital Control) for electrical equipment, and relates to the field of the temperature control of electrical equipment. The intelligent temperature control system based on the DDC for the electrical equipment aims at being capable of cooling the electrical equipment but without influencing the self performance of the electrical equipment. A temperature signal output end of a temperature sensor is connected with a temperature signal input end of a DDC controller, a power supply signal input end of the DDC controller is connected with a power supply signal output end of a frequency converter; a power supply signal input end of the frequency converter is connected with a power supply signal output end of an inlet-wire reactor; the inlet-wire reactor is connected with an external power supply; a control signal output end of the DDC controller is connected with a control signal input end of an expanding valve; one end of the expanding valve is connected with a refrigeration agent storage device; the other end of the expanding valve is connected with an evaporator. When the temperature of the electrical equipment is too high, the opening size of the expanding valve is controlled through the DDC controller; a refrigeration agent is injected into the evaporator through the expanding valve to refrigerate the electrical equipment.

Description

technical field [0001] The invention relates to the field of temperature control of electrical equipment. Background technique [0002] During the operation of electrical equipment, due to the heat generated in the internal circuit, it is very easy to affect the performance of the electrical equipment itself due to the high temperature generated in the long-term working state, and even cause the entire electrical system to be paralyzed in severe cases. This undoubtedly has a major impact on life and production. [0003] In the current technology, many different technical means are used to cool down the electrical equipment, but the cooling process is mostly sudden, and the temperature of the electrical equipment itself drops very quickly. Although the cooling effect looks very good on the surface, but If things go on like this, it will cause considerable damage to the internal circuits or devices of the electrical equipment itself, reducing the service life of the electrica...

AI Technical Summary

Problems solved by technology

[0002] During the operation of electrical equipment, due to the heat generated in the internal circuit, it is very easy to affect the performance of the electrical equipment itself due to the high temperature generated in the long-term working state, and even cause the entire electrical system to be paralyzed in severe cases. This will undoubtedly have a major impact on life and production

[0003] In the current technology, many different technical means are used to cool down the electrical equipment, but the cooling process is mostly sudden, and the temperature of the electrical equipment itself drops very quickly. Although the cooling effect looks very good on the surface, but If things go on like this, it will cause considerable damage to the internal circuits or devices of the electrical equipment itself, reducing the service life of the electrical equipment and causing economic losses

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