Heat exchanger and temperature regulation system comprising such an exchanger

By designing the heat exchange tube bundle and flow channel separator of the heat exchanger, the problems of high energy consumption and excessive compressor caused by multiple heat exchangers were solved, and efficient heat exchange and energy management were achieved.

CN122139101APending Publication Date: 2026-06-02VALEO ELECTRIFICATION
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
VALEO ELECTRIFICATION
Filing Date
2024-08-01
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The increased number of heat exchangers used in existing refrigerant circuits leads to high energy consumption and excessively large compressors, making it difficult to operate efficiently in heat pump mode.

Method used

Design a heat exchanger comprising a heat exchange tube bundle that allows high-pressure refrigerant to exchange heat with intermediate-pressure and low-pressure refrigerants in a single exchanger, with flow channels divided into high-pressure, intermediate-pressure, and low-pressure regions by separators, and flow paths optimized by plate stacks.

Benefits of technology

It enables simultaneous heat exchange of high-pressure, intermediate-pressure, and low-pressure refrigerants in a single exchanger, reducing the number of exchangers, lowering energy consumption, and improving efficiency in heat pump mode.

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Abstract

The present invention relates to a heat exchanger (10) including a heat exchange tube bundle (30) having a first region (32) configured to allow heat exchange between a refrigerant at a first pressure level and a refrigerant at a second pressure level, the first pressure level being referred to as high pressure and the second pressure level being referred to as intermediate pressure and below high pressure, the tube bundle (30) having a second region (34) configured to allow heat exchange between a high-pressure refrigerant and a refrigerant at a third pressure level, the third pressure level being referred to as low pressure and below intermediate pressure, the heat exchanger (10) being configured to allow high-pressure refrigerant to flow through the tube bundle (30) through the first region (32) and the second region (34).
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