air conditioner outdoor unit
By using a liquid cooling module and microchannel unit for phase change latent heat dissipation design, combined with regulating elements and dehumidifying fins, the problem of unstable heat dissipation and condensation in air conditioning systems under ultra-high temperature scenarios is solved, achieving a highly efficient heat dissipation effect for the electrical box.
CN122305555APending Publication Date: 2026-06-30QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
- Filing Date
- 2024-12-31
- Publication Date
- 2026-06-30
Smart Images
Figure CN122305555A_ABST
Abstract
This invention discloses an outdoor unit for an air conditioner, comprising: a liquid-side piping in which refrigerant flows in liquid form; a gas-side piping in which refrigerant flows in gas form; and an electrical box containing multiple electronic components that generate a heat source during operation. The electrical box includes: a liquid-cooling module comprising: a first flow guide pipe configured to fluidly connect to the liquid-side piping; a second flow guide pipe configured to fluidly connect to the gas-side piping; and a microchannel unit configured to fluidly connect the first and second flow guide pipes. The refrigerant in the liquid-side piping flows into the liquid-cooling module from the first flow guide pipe, passes through the microchannel unit, and then flows out to the gas-side piping from the second flow guide pipe. During ultra-high temperature cooling or ultra-high temperature hot water production, the heat source is under high load and high power density, resulting in high heat generation. The refrigerant undergoes a phase change within the microchannel unit, transforming from a liquid to a gaseous state, significantly enhancing heat exchange capacity.
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