Air compressor cooling system

CN116428221BActive Publication Date: 2026-05-12CRRC DALIAN INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CRRC DALIAN INST CO LTD
Filing Date
2023-03-29
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing air compressors typically have two independent cooling systems to cool the compressed air and the motor respectively. The air-cooled system is greatly affected by the environment, cannot guarantee good cooling of the motor, and occupies a lot of space, which is not conducive to on-site layout.

Method used

The system employs a shared heat exchanger for both water-cooled and coolant circuits. The control system monitors temperature and flow rate in real time and interlocks the flow control valves and the outlet water temperature and flow rate of the cooling tower to ensure simultaneous cooling of compressed air and the motor.

Benefits of technology

It improves the integration and reliability of the cooling system, reduces installation space requirements, and ensures that the motor and compressed air always receive good cooling conditions.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN116428221B_ABST
    Figure CN116428221B_ABST
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Abstract

The application discloses an air compressor cooling system, comprising: a control system, a water cooling circuit and a cooling liquid circuit of a common heat exchanger; a middle cooler in the water cooling circuit is connected with a cooling tower, an inlet node formed after the heat exchanger and a flow control valve are connected is connected with the middle cooler, and an outlet node formed is connected with a water inlet of the cooling tower; a flow meter and a temperature sensor are arranged between the cooling tower and the middle cooler, a temperature sensor is arranged between the middle cooler and the inlet node, and a flow meter and a temperature sensor are arranged between the heat exchanger and the outlet node; the heat exchanger in the cooling liquid circuit is connected with a water tank after being connected, and a water pump is connected; the water pump is connected with a cooling liquid inlet of a motor of the air compressor; a cooling liquid outlet of the motor is connected with the heat exchanger; the control system is connected with the temperature sensor and the flow meter to interlock control of the flow control valve and the cooling tower. The air compressor cooling system can ensure that the motor is always well cooled, and the problem of large space occupation caused by two sets of cooling systems is overcome, which is not conducive to field arrangement.
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