一种用于TEC散热系统的冷凝水处理结构

By utilizing the humidity gradient and temperature difference between the water absorption component and the heat sink component in the TEC heat dissipation system, passive and continuous elimination of condensate is achieved, solving the problem of difficult condensate removal in TEC systems and improving the reliability and heat dissipation efficiency of electronic devices.

CN121865922BActive Publication Date: 2026-07-17SOUTHERN POWER GRID DIGITAL GRID RESEARCH INSTITUTE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTHERN POWER GRID DIGITAL GRID RESEARCH INSTITUTE CO LTD
Filing Date
2026-03-19
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, the condensate generated during the operation of TEC is difficult to remove effectively, leading to electrical short circuits, corrosion, and decreased insulation performance of electronic devices, affecting long-term reliability. Furthermore, traditional methods are complex in structure, costly, and difficult to maintain long-term stability.

Method used

In the TEC cooling system, a water-absorbing component is attached to the outer surface of the chip and connected to the heat sink. The humidity gradient and temperature difference inside the water-absorbing component are used to achieve passive and continuous elimination of condensate. The water-absorbing component transfers the condensate from the chip surface to the high-temperature heat sink for evaporation. The heat sink then carries away some of the heat, improving the heat dissipation efficiency.

Benefits of technology

It achieves continuous elimination of condensate, reduces the impact of condensate on chip packaging and electrical performance, improves the long-term reliability of the system, has a simple structure, requires no additional devices, and is suitable for various electronic device packaging and heat dissipation systems.

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Abstract

本申请涉及一种用于TEC散热系统的冷凝水处理结构,用于TEC散热系统的冷凝水处理结构包括制冷器、芯片、热沉件以及吸水件,所述制冷器包括热端与冷端。所述芯片贴合于所述冷端。所述热沉件贴合于所述制冷器的热端,所述吸水件贴合于所述芯片外表面并与所述热沉件连接。上述用于TEC散热系统的冷凝水处理结构充分利用制冷器冷端与热端之间固有的温度差,实现冷凝水的被动式连续消除,且无需额外设置排水结构或加热装置,结构简单,易于实现。能有效降低冷凝水对芯片封装及电气性能的影响,提高系统长期可靠性;适用于多种电子器件封装及散热系统,具有良好的工程应用前景。
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Citation Information

Patent Citations

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    US20250079425A1