Air compressor refrigerating system and air compressor system

By setting multiple cooling modes in the air compressor refrigeration system and dynamically adjusting the cooling method according to the external water quality and load conditions, the problem of the inability to dynamically adjust the cooling system in the existing technology is solved, and stable cooling and energy efficiency improvement of the motor are achieved.

CN121322345AActive Publication Date: 2026-01-13GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202511452449.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-11
Publication Date
2026-01-13
Estimated Expiration
2045-10-11

AI Technical Summary

Technical Problem

The existing air compressor cooling system cannot be dynamically adjusted according to the actual working conditions, which affects the cooling effect of the motor and can easily lead to overheating, performance degradation or even damage to the equipment.

Method used

An air compressor refrigeration system was designed, including a coolant cooling circuit, a heat exchanger, an indirect water cooling circuit, and a first water cooling circuit. By setting a first mode and a second mode, the cooling method is selected according to the external water quality conditions and operating load. The motor is cooled by either the coolant cooling circuit or the first water cooling circuit, thus achieving dynamic adjustment.

Benefits of technology

It improves the stability and service life of the motor, reduces the risk of scaling and corrosion, enhances the energy efficiency ratio of the system, and adapts to changing application environments.

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Abstract

The invention provides an air compressor refrigerating system and an air compressor system.The air compressor refrigerating system comprises a cooling liquid cooling loop, a heat exchanger, an indirect water cooling loop and a first water cooling loop, and the cooling liquid cooling loop and the indirect water cooling loop both communicate with the heat exchanger so that cooling liquid can be cooled through water in the heat exchanger; the cooling liquid cooling loop and the first water cooling loop are respectively communicated with a motor in the air compressor in an on-off manner; the air compressor cooling system has a first mode and a second mode, in the first mode, the cooling liquid cooling loop communicates with the motor to cool the motor, and the first water cooling loop does not communicate with the motor; and in the second mode, the cooling liquid cooling loop is not communicated with the motor, and the first water cooling loop is communicated with the motor to cool the motor. Through dynamic switching between the two cooling modes, reasonable matching of refrigeration efficiency and energy consumption is achieved, and therefore the energy efficiency ratio of overall operation of the system is increased.
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