Passive porous phase change cold plate

Abstract

A cold plate for cooling the electronic equipment inside the missile is disclosed. The cold plate includes a housing that encloses the compartment. The outlet manifold is located inside the compartment. The core is located inside the compartment and is adjacent to the outlet manifold. The liquid inlet is fluidly connected to the core. The vapor outlet fluidly connects the outlet manifold to the atmosphere or space.

Claims

1. A cold plate for cooling a heat source, wherein the cold plate is Housing surrounding the plot, The liquid manifold inside the aforementioned compartment, Steam manifold inside the aforementioned compartment, A core that forms the interface between the liquid manifold and the vapor manifold, The inlet connected to the liquid manifold, The steam manifold has an outlet that connects to the atmosphere or space, and The cold plate comprises a liquid reservoir, to which a fluid is connected at the inlet.

2. The cold plate according to claim 1, further comprising a check valve connected to the outlet, wherein when the pressure in the compartment exceeds the opening pressure of the check valve, the check valve fluidly connects the outlet to the atmosphere.

3. The aforementioned liquid reservoir is An airbag in the liquid reservoir, wherein the airbag comprises an elastic bag filled with gas, and The cold plate according to claim 2, comprising a sponge located in the liquid reservoir and saturated with liquid.

4. The cold plate according to claim 1, wherein the core comprises a porous material having pores of non-uniform size.

5. The cold plate according to claim 1, wherein the core comprises a porous material having pores, the size of which increases as it extends toward the interface.

6. The aforementioned liquid reservoir is shell, and The cold plate according to claim 1, comprising a collapsible liner located within the shell and filled with liquid, wherein the collapsible liner is fluid-connected to the inlet.

7. The cold plate according to claim 6, wherein the housing has an upper surface opposite to the bottom surface, and the liquid reservoir extends along the edge of the housing between the upper surface and the bottom surface.

8. The cold plate according to claim 1, wherein the steam manifold comprises a plurality of slots extending through the thickness of the core.

9. A first core located in the liquid manifold, forming a first interface between the liquid manifold and the vapor manifold, The liquid manifold further comprises a second core that forms a second interface between the liquid manifold and the vapor manifold, The cold plate according to claim 1, wherein the steam manifold comprises a channel extending between the first core and the second core.

10. The cold plate according to claim 1, wherein the liquid reservoir forms the periphery of the cold plate.

11. A cold plate for cooling electronic equipment inside a missile, wherein the cold plate is Housing surrounding the plot, The outlet manifold located inside the aforementioned compartment, A core located inside the aforementioned compartment and adjacent to the outlet manifold, A liquid inlet and a fluid inlet are connected to the aforementioned core. The cold plate comprises a steam outlet that fluidly connects the outlet manifold to the atmosphere or space.

12. The cold plate according to claim 11, wherein the outlet manifold comprises a plurality of slots extending through the core.

13. The cold plate according to claim 11, further comprising an inlet manifold in the compartment, wherein the inlet manifold fluidly connects the liquid inlet to the core, and the core forms an interface between the inlet manifold and the outlet manifold.

14. The first core of the inlet manifold, which forms a first interface between the first core and the outlet manifold, The second core of the inlet manifold further includes a second core that forms a second interface between the second core and the outlet manifold, The cold plate according to claim 13, wherein the outlet manifold comprises a channel extending between the first core and the second core.

15. The cold plate according to claim 11, further comprising a check valve connected to the steam outlet, wherein when the pressure in the compartment exceeds the opening pressure of the check valve, the check valve fluidly connects the steam outlet to the atmosphere.

16. The cold plate according to claim 11, wherein the core comprises a porous material having pores of non-uniform size.

17. The cold plate according to claim 11, wherein the core comprises a porous material having pores, and the size of the pores increases as they extend toward the interface of the core.

18. The cold plate according to claim 11, further comprising a liquid reservoir fluidly connected to the liquid inlet.

19. The aforementioned liquid reservoir is An airbag in the liquid reservoir, wherein the airbag comprises an elastic bag filled with gas, and The cold plate according to claim 18, comprising a sponge located in the liquid reservoir and saturated with liquid.

20. The aforementioned liquid reservoir is shell, and The cold plate according to claim 18, comprising a collapsible liner located within the shell and filled with liquid, wherein the collapsible liner is fluidly connected to the liquid inlet.

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