Micro-channel cold plate
By setting fins into multiple cooling runners in the shell of the cold plate and setting a porous structure in each runner, the problem of low cooling efficiency of existing cold plates at high temperatures is solved, and a more efficient cooling effect is achieved.
Patent Information
- Application Number
- CN202520410139.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2035-03-11
AI Technical Summary
When the existing cold plates face high temperatures, the cooling efficiency is limited and cannot be effectively cooled.
A microchannel cold plate is designed to divide the space into multiple cooling channels by setting fins in the shell and a porous structure is provided in each cooling channel to increase the contact area of the coolant.
By increasing the contact area of the coolant, the cooling effect is significantly improved and the high-temperature cooling substance can be cooled more effectively.
Smart Images
Figure CN222812029U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cold plates, in particular to a microchannel cold plate. Background Art
[0002] The cold plate is usually a plate-like structure with a flow channel inside. The coolant flows in the flow channel to absorb the heat of the heat source and achieve the effect of cooling and dissipating the heat source. It is a heat exchange device commonly used in industrial sectors such as metallurgy, chemical industry, energy, transportation, light industry, and food. The cold plate in the prior art usually uses fins to increase the contact area of the coolant, thereby improving the cooling efficiency. However, the height and number of the fins are limited by space, resulting in limited effect of adding fins. When facing some objects to be cooled with higher temperatures, effective cooling cannot be achieved. Utility Model Content
[0003] According to an embodiment of the utility model, a microchannel cold plate is provided for cooling an object to be cooled, comprising: a shell, fins and a porous structure;
[0004] The shell is a hollow structure, and the fins are arranged in the shell. The fins divide the space in the shell into multiple cooling channels. The multiple cooling channels are not connected to each other. Cooling liquid flows into the cooling channels. Each cooling channel is provided with a porous structure, which is arranged on the side wall of the fin or the inner wall of the contact surface between the shell and the object to be cooled.
[0005] Furthermore, the porous structure is arranged on the side walls of the fins and the inner wall of the contact surface between the shell and the object to be cooled.
[0006] Furthermore, the porous structure is formed by sintering.
[0007] Furthermore, the width of the cooling channel is 1 mm to 2 mm.
[0008] Furthermore, the thickness of the porous structure is 0.2 mm to 0.4 mm.
[0009] Furthermore, a liquid inlet pipe and a liquid outlet pipe are provided corresponding to the cooling flow channel, and the liquid inlet pipe and the liquid outlet pipe are respectively provided at two ends of the shell.
[0010] Furthermore, the coolant is pure water or fluorinated liquid or ethylene glycol solution.
[0011] According to a microchannel cold plate of an embodiment of the utility model, the present application divides the space inside the shell into multiple cooling channels through fins, increases the contact area of the coolant in the cooling channel, and improves the cooling effect. By arranging a porous structure in the cooling channel, the coolant can enter the porous structure, further increasing the contact area of the coolant, thereby improving the cooling effect of the cold plate.
[0012] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The figure is a structural diagram of a microchannel cold plate according to an embodiment of the utility model.
[0014] Reference numerals in the figure: 1 is a shell, 2 is a fin, 3 is a porous structure, and 4 is a cooling channel. DETAILED DESCRIPTION
[0015] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.
[0016] like Figure 1 As shown, a microchannel cold plate according to an embodiment of the utility model is used to cool an object to be cooled, and comprises: a shell 1, fins 2 and a porous structure 3;
[0017] The shell 1 is a hollow structure, and the fins 2 are arranged in the shell 1. The fins 2 divide the space in the shell 1 into multiple cooling channels 4. The multiple cooling channels 4 are not connected to each other. Cooling liquid flows into the cooling channels 4. Each cooling channel 4 is provided with a porous structure 3. The porous structure 3 is arranged on the side wall of the fin 2 or the inner wall of the contact surface between the shell 1 and the object to be cooled.
[0018] In the present application, the space inside the shell 1 is divided into multiple cooling channels 4 by fins 2, thereby increasing the contact area of the coolant in the cooling channels 4 and improving the cooling effect. By setting a porous structure 3 in the cooling channels 4, the coolant can enter the porous structure 3, further increasing the contact area of the coolant, thereby improving the cooling effect of the cold plate.
[0019] The porous structure 3 is arranged on the side wall of the fin 2 and the inner wall of the contact surface between the shell 1 and the object to be cooled. The porous structure 3 is formed by sintering.
[0020] The heat of the object to be cooled is mainly transferred to the side walls of the fins 2 and the inner wall of the contact surface between the shell 1 and the object to be cooled. By providing the porous structure 3, the cooling effect is improved while the circulation of the coolant is ensured.
[0021] The porous structure 3 is a porous metal structure formed by sintering, or a metal powder block formed by sintering, and has a certain air permeability, so that the coolant can diffuse into the porous structure 3 through capillary action.
[0022] The width of the cooling channel 4 is 1 mm to 2 mm. The thickness of the porous structure 3 is 0.2 mm to 0.4 mm.
[0023] By setting the width of the cooling channel 4 to 1 mm to 2 mm, the coolant can flow smoothly in the cooling channel 4. The thickness of the porous structure 3 is 0.2 mm to 0.4 mm, which improves the cooling effect while not affecting the circulation of the coolant.
[0024] A liquid inlet pipe and a liquid outlet pipe are provided corresponding to the cooling channel 4, and the liquid inlet pipe and the liquid outlet pipe are respectively provided at two ends of the housing 1. The coolant is pure water or fluorinated liquid or ethylene glycol solution.
[0025] A liquid inlet pipe and a liquid outlet pipe are respectively arranged at both ends of each cooling channel 4, and coolant is respectively introduced into the liquid inlet pipe of each cooling channel 4. Each liquid inlet pipe is not connected to each other, so that the flow rate of the coolant in each cooling channel 4 is the same.
[0026] Cooling liquid is introduced into each cooling channel 4 to ensure the circulation speed of the cooling liquid in the cooling channel 4 and the cooling effect.
[0027] Above, refer to Figure 1 A microchannel cold plate according to an embodiment of the utility model is described. The present application divides the space inside the shell 1 into multiple cooling channels 4 through fins 2, thereby increasing the contact area of the coolant in the cooling channels 4 and improving the cooling effect. By arranging a porous structure 3 in the cooling channels 4, the coolant can enter the porous structure 3, further increasing the contact area of the coolant, thereby improving the cooling effect of the cold plate.
[0028] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "includes..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0029] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.
Claims
1. A microchannel cold plate for cooling an object to be cooled, characterized in that: include: Shells, fins and porous structures; The shell is a hollow structure, the fins are arranged in the shell, the fins divide the space in the shell into a plurality of cooling channels, the plurality of cooling channels are not interconnected, coolant flows into the cooling channels, each of the cooling channels is provided with a porous structure, and the porous structure is arranged on the side wall of the fin or the inner wall of the contact surface between the shell and the object to be cooled.
2. A microchannel cold plate as claimed in claim 1, characterized in that: The porous structure is arranged on the side wall of the fin and the inner wall of the contact surface between the shell and the object to be cooled.
3. A microchannel cold plate as claimed in claim 1, characterized in that: The porous structure is formed by sintering.
4. A microchannel cold plate as claimed in claim 1, characterized in that: The width of the cooling channel is 1 mm to 2 mm.
5. A microchannel cold plate as claimed in claim 1, characterized in that: The thickness of the porous structure is 0.2 mm to 0.4 mm.
6. A microchannel cold plate as claimed in claim 1, characterized in that: A liquid inlet pipe and a liquid outlet pipe are provided corresponding to the cooling flow channel, and the liquid inlet pipe and the liquid outlet pipe are respectively provided at two ends of the shell.
7. A microchannel cold plate as claimed in claim 1, characterized in that: The cooling liquid is pure water, fluorinated liquid or ethylene glycol solution.