用于散热器的散热性能测试工装

Abstract

本申请实施例涉及散热测试工装，公开了用于散热器的散热性能测试工装，包括：固定架，包括相垂直设置的底座和立柱，且至少两个立柱平行间隔分布；支撑组件，包括多个支撑块，用于承载待测试散热器并实现对散热器找平；且至少部分支撑块设于底座上并位于待测试散热器的底部；定位组件，设于立柱且位置可调节，用于对找平后的散热器进行多方位定位固定；模拟热源组件，用于模拟散热器工作时的热源环境，且模拟热源组件与散热器的相对位置可调节。这样，能对不同规格散热器进行多方位定位固定；二者配合解决了现有工装难以匹配种类繁多、规格多变的5G基站3DRC散热器的问题，无需为不同型号散热器单独开发工装，大幅提升工装通用性。

Claims

1. A fixture for testing the heat dissipation performance of radiators, characterized in that, include: The fixing frame includes a base and columns arranged perpendicularly to each other, with at least two columns distributed in parallel at intervals; The support assembly includes multiple support blocks for supporting the heatsink to be tested and leveling the heatsink; and at least some of the support blocks are located on the base and at the bottom of the heatsink to be tested. The positioning component, which is located on the column and has an adjustable position, is used to position and fix the radiator in multiple directions after leveling. The simulated heat source component is used to simulate the heat source environment when the heat sink is working, and the relative position of the simulated heat source component and the heat sink is adjustable.

2. The heat dissipation performance test tooling of claim 1, wherein, The mounting bracket also includes: The positioning plate is detachably connected to two columns at both ends, and the positioning plate is perpendicular to the columns; the positioning plate can be used to install some support blocks of the support components and / or to install simulated heat source components.

3. The heat dissipation performance testing fixture according to claim 2, characterized in that, The positioning plate has multiple mounting slots extending along its length. The connection positions between the support block and the positioning plate, as well as the connection positions between the simulated heat source component and the positioning plate, can be adjusted along the extension direction of the mounting slots.

4. The heat dissipation performance testing fixture according to claim 1, characterized in that, Some support blocks are detachably connected to the positioning plate and are used to insert into the gaps between the fins of the radiator to help achieve horizontal leveling of the radiator. The tops of the multiple support blocks inserted into the gaps between the radiator fins are located on the same plane.

5. The heat dissipation performance test tooling of claim 1, wherein, The positioning components include: The positioning block is detachably connected to the column, and its installation position on the column can be adjusted laterally. The positioning block is used to define the installation position of the heat sink on the left and right sides along the X direction.

6. The heat dissipation performance testing fixture according to claim 5, characterized in that, The positioning block has a block-shaped structure with a through groove. The positioning block is detachably connected to the column through the through groove via a connector.

7. The heat dissipation performance test tooling of claim 1, wherein, The positioning components also include: The positioning module includes a rotary cylinder and a limiting plate. The rotary cylinder includes a rotatable and telescopic rod. One end of the limiting plate is connected to the end of the telescopic rod, and the other end is suspended. The telescopic rod rotates to drive the limiting plate to rotate outward to facilitate the placement of the radiator. After the radiator is placed, the telescopic rod drives the limiting plate to rotate to face the radiator. The distance between the limiting plate and the radiator is adjusted by the extension and retraction of the telescopic rod, so that the limiting plate presses against the surface of the radiator, limiting the installation position of the radiator in the Y direction.

8. The heat dissipation performance test tooling of claim 7, wherein, The positioning module also includes: The adapter plate is detachably connected to the column, and the adapter plate extends in a direction perpendicular to the Y direction; The adapter plate has multiple sets of through holes, through which the rotary cylinder is installed, allowing the distance between the rotary cylinder and the column to be adjusted.

9. The heat dissipation performance test tooling of claim 2, wherein, The simulated heat source components include: The mounting base is detachably connected to the positioning plate, and the position of the mounting base on the positioning plate is adjustable; A clamping mechanism is provided on a fixed base. The clamping mechanism includes a telescopic link that extends and retracts along a direction perpendicular to the surface of the positioning plate. The heating source is connected to the connecting rod, which moves reciprocally along the Y direction under the drive of the connecting rod, thereby adjusting the distance between the heating source and the radiator.

10. The heat dissipation performance test tooling of claim 9, wherein, The tightening mechanism also includes: A telescopic cylinder has a telescopic connecting rod. One end of the cylinder is mounted on a fixed base, and the other end is mounted on a first fixed plate. The connecting rod passes through the first fixed plate. The second fixing plate is detachably connected to the end of the connecting rod and is equipped with a heating source; An auxiliary shaft is located on the first fixed plate and passes through the second fixed plate. The auxiliary shaft is arranged parallel to the axis of the connecting rod and is used to assist in supporting the second fixed plate when the connecting rod drives the second fixed plate to move.

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