箱体温度均匀的温度冲击试验装置

Abstract

本实用新型涉及一种箱体温度均匀的温度冲击试验装置，属于温度冲击试验设备的技术领域。它的温度冲击组件通过隔板分隔第一腔体与第二腔体，且两个腔体分别直连热源系统和冷源系统形成独立气路；同时，箱组件的底部气体进口通过对接选择连通第一腔体顶部的第一气体出口或第二腔体顶部的第二气体出口，实现冷热气体的快速切换；另外，两腔体顶部倾斜设置的导向板下表面带波浪状凸起，强制气流均匀扩散，使箱体内温度均匀。

Claims

1. A temperature shock test device for uniform temperature of a case, characterized by, include: The box assembly (200) has a top cover (300) on the top. The box assembly (200) includes a box body (210), which has a gas inlet (220) at the bottom and a test object support (230) fixed inside. A temperature shock component (100) is located below the box assembly (200) and docks with the box assembly (200). When docked, a closed space is formed inside the box body (210). The temperature shock component (100) includes a first cavity (110) and a second cavity (120) separated by a partition (130). The top of the first cavity (110) and the second cavity (120) are both provided with inclined guide plates (180). The first cavity (110) is provided with a first pipeline interface (140) at the bottom to connect to the high-temperature gas pipeline of the heat source system (400), and the first cavity (110) is provided with a first gas outlet (160) at the top. The second cavity (120) is provided with a second pipeline interface (150) at the bottom to connect to the low temperature gas pipeline of the cold source system (500), and the second cavity (120) is provided with a second gas outlet (170) at the top. The gas inlet (220) is connected to one of the first gas outlet (160) and the second gas outlet (170).

2. The temperature shock test device for uniform temperature of a case according to claim 1, characterized by The lower surface of the guide plate (180) has a plurality of protrusions arranged along the length of the guide plate (180).

3. The temperature shock test device for uniform temperature of a case according to claim 2, characterized by Multiple protrusions together form a wave-like turbulence structure to achieve uniform airflow distribution.

4. The temperature shock test apparatus for uniform temperature of a case according to Claim 1, characterized by The gas inlet (220) has the same dimensions as the first gas outlet (160) and the second gas outlet (170).

5. The temperature shock test apparatus for uniform temperature of a case according to Claim 1, wherein The test object support (230) includes a support rod and a platform, wherein the support rod is fixed to the bottom surface of the main body of the box (210), and the platform is set on the top of the support rod.

6. The temperature shock test apparatus for uniform temperature of a case according to Claim 1, wherein The partition (130) is made of heat-insulating material, and the first cavity (110) and the second cavity (120) are separated by the partition (130) to form two independent cavities.

7. The temperature shock test apparatus for uniform temperature of a case according to Claim 1, wherein The inner contour of the top cover (300) matches the outer contour of the box body (210).

8. The temperature shock test apparatus of claim 1, wherein The heat source system (400) and the cold source system (500) are independent of each other and are located outside the temperature shock component (100).

9. The temperature shock test apparatus of claim 1, wherein A sealing element is added to the contact end of the box assembly (200) and the top cover (300), and the contour of the sealing element matches the top contour of the box assembly (200).

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