A pin-fin heat sink and method for assembling the same

By designing an assembleable pin-fin radiator, utilizing a base plate and radiator modules, and combining pin-fin groups of different densities, the problem of the single structure of the existing radiator is solved, and flexible heat dissipation effects and cost savings are achieved.

CN116230665BActive Publication Date: 2025-10-17INSPUR SUZHOU INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202310297361.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-24
Publication Date
2025-10-17
Estimated Expiration
2043-03-24

AI Technical Summary

Technical Problem

Existing pin-fin heat sinks have a single structure and cannot flexibly meet the heat dissipation requirements of different components, especially in the case of high power consumption or uneven heat flux density, resulting in poor heat dissipation effect.

Method used

An assembleable pin-fin heat sink is designed, which consists of a base plate and a heat sink module. The heat sink module includes a heat sink base plate and a heat sink pin-fin group. The heat sink module is arranged in a staggered or aligned manner and combined with pin-fin groups of different densities (a first-density pin-fin group and a second-density pin-fin group) to meet different heat dissipation requirements.

Benefits of technology

The radiator structure can be adjusted according to actual needs, the heat dissipation efficiency can be improved, the radiator reuse rate can be increased, the cost can be saved, local hot spots can be avoided, and the heat dissipation needs of different components can be adapted.

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Abstract

The present application relates to a kind of needle rib type heat sink and the method for assembling it, needle rib type heat sink is spliced by substrate and several heat sink modules;The substrate is connected on the bottom plate of the component to be cooled;The heat sink module includes heat dissipation bottom piece, heat dissipation needle rib group, the heat dissipation needle rib group is vertically connected on the heat dissipation bottom piece, the heat dissipation bottom piece is connected on the substrate;The heat dissipation needle rib group is first density needle rib group or second density needle rib group, the first density needle rib group includes at least two first needle ribs;Second density needle rib group includes at least two second needle ribs, the length of the second needle rib is not less than the length of the first needle rib;The number of second needle rib in each second density needle rib group is greater than the number of first needle rib in each first density needle rib group.Through the above technical scheme, the problem that the structure of heat sink in prior art is single and affects the heat dissipation effect can be solved.
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