Phase change cold plate

Abstract

The utility model relates to a phase change cold plate, relates to the technical field of aircraft thermal control, and aims to solve the technical problems of high production cost and low processing efficiency of the phase change cold plate in the prior art. The phase change cold plate comprises a cold plate cavity, a phase change material and a profile cover plate, the cold plate cavity and the profile cover plate are connected to form a closed cavity, and the phase change material is arranged in the closed cavity; the cold plate cavity comprises a phase change groove, a shell and a boss, the phase change groove is used for containing the phase change material, and the boss is connected with the shell and makes contact with a heat source; the shell is provided with a filling hole, and the filling hole is used for enabling the phase change material to enter a closed cavity formed by connecting the cold plate cavity and the profile cover plate. The utility model can save the cost and improve the processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of aircraft thermal control technology, and in particular to a phase change cold plate. Background Technology

[0002] As the performance of aircraft improves, the heat generation power and operating time of their internal electronic components are constantly increasing, resulting in a sharp rise in overall heat generation. Due to space and weight constraints, it is urgent to improve the thermal conductivity and temperature uniformity of the aircraft's thermal control system, further explore structural heat capacity, and reduce its cost.

[0003] Phase change materials are materials that can undergo phase changes from solid to liquid, gas, or liquid to solid within a certain temperature range. Phase change cold plates can effectively dissipate heat from electronic components in aircraft, ensuring their normal operation in complex environments.

[0004] Currently, the processing of phase change cold plate cavities generally uses a process of customizing the cavity and cover plate and then welding them together. This process is inefficient and difficult to meet the requirements of large-scale, mass production. In addition, each cold plate requires custom mold making, resulting in extremely high production costs and impacting the efficiency and profitability of enterprises. Utility Model Content

[0005] Based on the above analysis, the present invention aims to provide a phase change cold plate to solve the technical problems of high production cost and low processing efficiency of phase change cold plates in the prior art.

[0006] The objective of this utility model is mainly achieved through the following technical solutions:

[0007] A phase change cold plate includes a cold plate cavity, a phase change material, and a profile cover plate. The cold plate cavity and the profile cover plate are connected to form a closed cavity, and the phase change material is disposed in the closed cavity.

[0008] The cold plate cavity includes a phase change groove, a shell, and a boss. The phase change groove is used to place the phase change material, the boss is connected to the shell, and the boss is in contact with a heat source.

[0009] The housing is provided with a filling hole, which is used to allow the phase change material to enter the closed cavity formed by the connection between the cold plate cavity and the profile cover plate;

[0010] The profile cover plate includes a cover body and fins. One end of the cover body is connected to the shell, and the other end is connected to the fins.

[0011] Furthermore, the fins are detachably connected to the cover.

[0012] Furthermore, a connecting groove is provided on the fin, and a locking ball and a spring are provided in the connecting groove. The locking ball is connected to the connecting groove through the spring.

[0013] Furthermore, the locking ball protrudes from the connecting groove under the action of the spring.

[0014] Furthermore, the cover is provided with fin grooves, and the fins can enter the fin grooves.

[0015] Furthermore, a connecting hole is provided in the fin groove, and the locking ball enters the connecting hole to fix the connection between the fin and the cover.

[0016] Furthermore, the fin is also provided with a push rod groove and a push rod, the push rod groove is connected to the connecting groove, and the push rod is disposed in the push rod groove.

[0017] Furthermore, the push rod is connected to the locking ball.

[0018] Furthermore, the cold plate cavity also includes a connecting part for connecting the profile cover plate.

[0019] Furthermore, the phase change material is an advanced alkane material.

[0020] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0021] (1) The phase change cold plate of this utility model can save materials and reduce costs by setting a cold plate cavity. The cold plate cavity includes a phase change groove. The setting of the phase change groove can reduce the materials used to make the cold plate cavity, thereby saving materials, reducing costs, and having good economic benefits.

[0022] (2) By setting a filling hole, the phase change material can enter the closed cavity formed by the connection between the cold plate cavity and the profile cover plate. The operation is simple and can improve the processing efficiency.

[0023] (3) The fins are detachably connected to the cover, which allows the number of fins to be adjusted according to actual needs, thereby reducing the weight of the phase change cold plate, optimizing the structure of the phase change cold plate, reducing the impact of the phase change cold plate on the working state of the aircraft, and facilitating the replacement of fins and extending the service life of the phase change cold plate.

[0024] In this invention, the above-described technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of this invention will be set forth in the following description, and some advantages will become apparent from the description or be learned by practicing this invention. The objectives and other advantages of this invention can be realized and obtained from the details specifically pointed out in the text and accompanying drawings. Attached Figure Description

[0025] The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Throughout the drawings, the same reference numerals denote the same parts.

[0026] Figure 1 This is an exploded structural diagram of the phase change cold plate of Embodiment 1 of this utility model;

[0027] Figure 2 This is a schematic diagram of the cold plate cavity of Embodiment 1 of this utility model;

[0028] Figure 3 This is a schematic diagram of the profile cover plate of Embodiment 1 of this utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the cover body in Embodiment 2 of this utility model;

[0030] Figure 5 This is a schematic diagram of the fin structure of Embodiment 2 of this utility model.

[0031] Figure label:

[0032] 1-Cold plate cavity; 11-Phase change groove; 12-Shell; 121-Filling hole; 13-Boss; 14-Connecting part; 2-Phase change material; 3-Profile cover plate; 31-Cover body; 32-Fin; 321-Connecting groove; 3211-Locking ball; 3212-Spring; 322-Push rod groove; 323-Push rod; 33-Fin groove. Detailed Implementation

[0033] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0034] Example 1

[0035] A specific embodiment of this utility model discloses a phase change cold plate, such as... Figure 1 As shown, it includes a cold plate cavity 1, a phase change material 2, and a profile cover plate 3. The cold plate cavity 1 and the profile cover plate 3 are connected to form a closed cavity, and the phase change material 2 is disposed in the closed cavity.

[0036] Preferably, the cold plate cavity 1 is made of metal material.

[0037] like Figure 2As shown, the cold plate cavity 1 includes a phase change groove 11, a shell 12 and a boss 13. The phase change groove 11 is used to place the phase change material 2. The boss 13 is connected to the shell 12 and is in contact with the heat source to conduct the heat source to the shell 12, so that the phase change material 2 in the phase change groove 11 absorbs the heat generated by the heat source.

[0038] By setting up a phase change groove 11, the phase change groove 11 and the profile cover plate 3 form a cavity that can accommodate the phase change material 2. The setting of the phase change groove 11 can reduce the material used to manufacture the cold plate cavity 1, thereby saving materials, reducing costs, and having good economic benefits.

[0039] Furthermore, the cold plate cavity 1 also includes a connecting part 14, which is used to connect the profile cover plate 3.

[0040] Preferably, the connecting part 14 is welded to the profile cover plate 3, thereby preventing leakage when the phase change material 2 undergoes a solid-liquid change.

[0041] The housing 12 is provided with a filling hole 121. The phase change material 2 can enter the closed cavity formed by the connection between the cold plate cavity 1 and the profile cover plate 3 through the filling hole 121. After the phase change material 2 is filled, the filling hole 121 is closed to keep the closed cavity formed by the connection between the cold plate cavity 1 and the profile cover plate 3 in a sealed state, thereby preventing the phase change material 2 from leaking.

[0042] Preferably, the phase change material 2 is an advanced alkane material. Advanced alkane materials are chemically stable, non-toxic and harmless, and can be recycled multiple times, thus having high reliability, thereby increasing the safety and stability of the phase change cold plate.

[0043] like Figure 3 As shown, the profile cover plate 3 includes a cover body 31 and fins 32. One end of the cover body 31 is connected to the shell 12, and the other end is connected to the fins 32. The fins 32 can improve thermal conductivity and provide structural support for the phase change cold plate, thereby improving the structural stability of the phase change cold plate.

[0044] Preferably, the material of the profile cover plate 3 is the same as the material of the cold plate cavity 1.

[0045] Example 2

[0046] A specific embodiment of this utility model discloses a phase change cold plate, such as... Figures 4-5 As shown, the difference from Embodiment 1 is that the fins 32 and the cover 31 are detachably connected, which makes it easy to adjust the number of fins 32 according to actual needs, reduce the weight of the phase change cold plate, optimize the structure of the phase change cold plate, reduce the impact of the phase change cold plate on the working state of the aircraft, and at the same time facilitate the replacement of fins 32, thus extending the service life of the phase change cold plate.

[0047] A connecting groove 321 is provided on the fin 32. A locking ball 3211 and a spring 3212 are provided in the connecting groove 321. The locking ball 3211 is connected to the connecting groove 321 through the spring 3212. The locking ball 3211 protrudes out of the connecting groove 321 under the action of the spring 3212.

[0048] The profile cover plate 3 also includes a fin groove 33, which is disposed on the cover body 31. The shape of the fin groove 33 matches the fin 32, allowing the fin 32 to enter the fin groove 33. A connecting hole 331 is provided in the fin groove 33, which matches the locking ball 3211. The locking ball 3211 enters the connecting hole 331 to fix the connection between the fin 32 and the cover body 31.

[0049] The fin 32 is also provided with a push rod groove 322 and a push rod 323. The push rod groove 322 is connected to the connecting groove 321. The push rod 323 is located in the push rod groove 322 and is connected to the locking ball 3211. The push rod 323 can move in the push rod groove 322, thereby driving the locking ball 3211 to move.

[0050] When it is necessary to connect the fin 32 to the cover 31, the fin 32 is inserted into the fin groove 33, so that the inner wall of the fin groove 33 presses the locking ball 3211, the locking ball 3211 enters the connecting groove 321, and the spring 3212 is compressed; when the position of the locking ball 3211 corresponds to the connecting hole 331, the spring 3212 returns to its original position and pushes the locking ball 3211 into the connecting hole 331, thereby fixing the connection between the fin 32 and the cover 31.

[0051] When it is necessary to separate the fin 32 from the cover 31, push the push rod 323 towards the push rod groove 322, so that the push rod 323 drives the locking ball 3211 away from the connecting hole 331 and into the connecting groove 321, and removes the fin 32 from the fin groove 33.

[0052] Compared with existing technologies, the phase change cold plate of this invention saves materials and reduces costs by setting up a cold plate cavity 1. The cold plate cavity 1 includes a phase change groove 11. The setting of the phase change groove 11 reduces the material used to manufacture the cold plate cavity 1, thereby saving materials, reducing costs, and exhibiting good economic efficiency. By setting up a filling hole 121, the phase change material 2 can enter the closed cavity formed by the connection between the cold plate cavity 1 and the profile cover plate 3, which is simple to operate and can improve processing efficiency. The fins 32 are detachably connected to the cover plate 31, and the number of fins 32 can be adjusted according to actual needs, reducing the weight of the phase change cold plate, optimizing the structure of the phase change cold plate, reducing the impact of the phase change cold plate on the aircraft's operating state, and facilitating the replacement of fins 32, thus extending the service life of the phase change cold plate.

[0053] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A phase change cold plate, characterized in that, It includes a cold plate cavity (1), a phase change material (2) and a profile cover plate (3). The cold plate cavity (1) and the profile cover plate (3) are connected to form a closed cavity, and the phase change material (2) is disposed in the closed cavity. The cold plate cavity (1) includes a phase change groove (11), a shell (12) and a boss (13). The phase change groove (11) is used to place the phase change material (2). The boss (13) is connected to the shell (12) and is in contact with a heat source. The housing (12) is provided with a filling hole (121), which is used to allow the phase change material (2) to enter the closed cavity formed by the connection between the cold plate cavity (1) and the profile cover plate (3); The profile cover plate (3) includes a cover body (31) and fins (32). One end of the cover body (31) is connected to the shell (12), and the other end is connected to the fins (32).

2. The phase change cold plate according to claim 1, characterized in that, The fins (32) are detachably connected to the cover (31).

3. The phase change cold plate according to claim 2, characterized in that, A connecting groove (321) is provided on the fin (32), and a locking ball (3211) and a spring (3212) are provided in the connecting groove (321). The locking ball (3211) is connected to the connecting groove (321) through the spring (3212).

4. The phase change cold plate according to claim 3, characterized in that, The locking ball (3211) protrudes from the connecting groove (321) under the action of the spring (3212).

5. The phase change cold plate according to claim 4, characterized in that, The cover (31) is provided with fin grooves (33), and the fins (32) can enter the fin grooves (33).

6. The phase change cold plate according to claim 5, characterized in that, A connection hole (331) is provided in the fin groove (33), and the locking ball (3211) enters the connection hole (331) to fix the connection between the fin (32) and the cover (31).

7. The phase change cold plate according to claim 6, characterized in that, The fin (32) is also provided with a push rod groove (322) and a push rod (323). The push rod groove (322) is connected to the connecting groove (321), and the push rod (323) is disposed in the push rod groove (322).

8. The phase change cold plate according to claim 7, characterized in that, The push rod (323) is connected to the locking ball (3211).

9. The phase change cold plate according to any one of claims 1-8, characterized in that, The cold plate cavity (1) further includes a connecting part (14), which is used to connect the profile cover plate (3).

10. The phase change cold plate according to claim 9, characterized in that, The phase change material (2) is an advanced alkane material.

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