Liquid cooling case

Abstract

The invention discloses a liquid cooling case, which comprises a cabinet body and a liquid cooling assembly, the cabinet body is fixedly connected with the liquid cooling assembly, and the liquid cooling assembly comprises a first liquid cooling assembly arranged at the top of the cabinet body; the second liquid cooling assembly is arranged at the bottom of the cabinet body; the at least one third liquid cooling assembly is longitudinally arranged between the first liquid cooling assembly and the second liquid cooling assembly; the liquid cooling assembly is provided with a liquid cooling flow channel and is used for carrying out liquid cooling heat dissipation on the internal environment of the cabinet body; the cabinet body, the liquid cooling assembly and the liquid cooling flow channel are integrally formed and prepared based on the additive manufacturing technology. According to the invention, the cabinet body, the liquid cooling assembly and the liquid cooling flow channel of the liquid cooling case are prepared in an integrated molding manner by using an additive manufacturing technology, so that the reliability problem caused by a welding mode is avoided, and the safety of the liquid cooling case is improved; and through the integrated molding design of the liquid cooling assembly and the liquid cooling flow channel, the light weight of the liquid cooling case can be improved.

Description

Technical Field

[0001] The present application relates to the field of additive manufacturing technology, and in particular to a liquid cooling chassis based on additive manufacturing technology. Background Art

[0002] Airborne radar is mainly responsible for the generation and amplification of excitation signals, as well as the amplification, collection, processing and recording of echo signals. The airborne radar chassis is an important part of the airborne radar, which integrates multiple important functions such as radar radio frequency, signal processing, and power supply.

[0003] Most of the current airborne radar chassis use air cooling or liquid cooling to control the temperature and dissipate heat inside the airborne radar chassis. Liquid-cooled chassis have strong cooling capacity and are therefore widely used in high-power airborne radar chassis. Compared with ordinary liquid-cooled chassis, airborne radar liquid-cooled chassis have higher requirements for environmental adaptability, volume and weight. The current airborne radar liquid-cooled chassis is generally completed through multiple complex processes such as cold plate welding, cold plate processing, chassis welding, chassis processing, chassis assembly and electrical installation.

[0004] However, the inventors of the present application discovered that the welding method would increase the overall weight of the liquid-cooled chassis, and the welding points would become relatively weak places in the entire liquid-cooled chassis. Failure of the welds at the liquid-cooled flow channels in the liquid-cooled chassis would cause leakage of the coolant, which would directly affect the overall reliability and safety of the airborne radar.

[0005] Based on this, the inventor believes that the lightness and reliability of the current liquid-cooled chassis need to be improved. Summary of the invention

[0006] The present application discloses a liquid-cooled chassis, which comprises: a cabinet and a liquid-cooled component, wherein the cabinet is fixedly connected to the liquid-cooled component, and the liquid-cooled component comprises: a first liquid-cooled component, which is arranged on the top of the cabinet; a second liquid-cooled component, which is arranged on the bottom of the cabinet; at least one third liquid-cooled component, which is arranged longitudinally between the first liquid-cooled component and the second liquid-cooled component; the liquid-cooled component is provided with a liquid-cooled flow channel, which is used for liquid-cooling and heat dissipation for the internal environment of the cabinet; wherein the cabinet, the liquid-cooled component and the liquid-cooled flow channel are all prepared by integral molding based on additive manufacturing technology.

[0007] According to some embodiments of the present application, the liquid cooling channels are diamond-shaped channels and are cross-arranged in the lateral and / or longitudinal directions of the liquid cooling component.

[0008] According to some embodiments of the present application, the flow area of ​​the liquid cooling channel close to the water outlet and / or water inlet is larger than the flow area far from the water outlet and / or water inlet.

[0009] According to some embodiments of the present application, a load-bearing component is provided on the side of the cabinet, and a weight-reducing hole is provided on the load-bearing component.

[0010] According to some embodiments of the present application, the weight-reducing holes are arranged crosswise longitudinally on the load-bearing component.

[0011] According to some embodiments of the present application, the shape of the load-bearing component includes at least one of a linear shape, a cross shape, or a radial shape.

[0012] According to some embodiments of the present application, at least one end corner of the cabinet is provided with a chamfer.

[0013] According to some embodiments of the present application, the chamfer angle ranges from 30° to 60°.

[0014] According to some embodiments of the present application, at least one mounting assembly is disposed on the outer side of the cabinet.

[0015] According to some embodiments of the present application, the liquid-cooled chassis is an airborne radar liquid-cooled chassis.

[0016] The present application uses additive manufacturing technology to integrally form a liquid-cooled chassis body, liquid-cooled components, and liquid-cooled channels, thereby avoiding reliability issues caused by welding and improving the safety of the liquid-cooled chassis; and through the integral molding design of the liquid-cooled components and the liquid-cooled channels, the lightweight of the liquid-cooled chassis can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 A schematic diagram of the structure of an existing liquid cooling chassis is shown;

[0019] Figure 2 Another structural schematic diagram of an existing liquid cooling chassis is shown;

[0020] Figure 3 A schematic diagram showing a liquid cooling chassis according to an exemplary embodiment of the present application;

[0021] Figure 4 A front view of a liquid-cooled chassis showing an exemplary embodiment of the present application;

[0022] Figure 5 A side view of a liquid-cooled chassis showing an example embodiment of the present application;

[0023] Figure 6 A schematic diagram showing a liquid cooling channel in an exemplary embodiment of the present application;

[0024] Figure 7A schematic diagram of a liquid cooling channel in the prior art is shown.

[0025] Figure 8 Another schematic diagram showing the liquid cooling channel of an exemplary embodiment of the present application;

[0026] Fig. 9 A schematic diagram showing a load-bearing assembly according to an exemplary embodiment of the present application;

[0027] Fig.10 Another schematic diagram showing a load-bearing assembly according to an exemplary embodiment of the present application;

[0028] Fig.11 A schematic diagram showing an external screw mounting area of ​​an exemplary embodiment of the present application;

[0029] Fig.12 A schematic diagram showing the chamfer of an exemplary embodiment of the present application;

[0030] Fig.13 Another schematic diagram showing the chamfer of an exemplary embodiment of the present application.

[0031] Description of reference numerals:

[0032] Liquid cooling chassis 1; cabinet 10; liquid cooling component 20;

[0033] A first liquid cooling component 21; a second liquid cooling component 22; a third liquid cooling component 23;

[0034] Liquid cooling channel 201;

[0035] Load-bearing component 11; weight-reducing hole 110; chamfer 12; mounting component 30. DETAILED DESCRIPTION

[0036] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be comprehensive and complete and will fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar parts, and thus their repeated description will be omitted.

[0037] The described features, structures or characteristics may be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of these specific details, or other modes, components, materials, devices, etc. may be adopted. In these cases, known structures, methods, devices, implementations, materials or operations will not be shown or described in detail.

[0038] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or devices.

[0039] The terms "first", "second" and the like in the specification and claims of this application and the above drawings are used to distinguish different objects rather than to describe a specific order.

[0040] The following is a clear and complete description of the technical solution of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0041] Compared with ordinary liquid-cooled chassis, aviation airborne radar liquid-cooled chassis has higher requirements on the sealing and reliability of internal cold channels and cold channel joints. It not only has to withstand the influence of harsh mechanical environment, but also has to ensure the dimensional accuracy of each plug-in guide groove after the airborne radar liquid-cooled chassis is formed.

[0042] Figure 1 A schematic diagram of the structure of an existing liquid cooling chassis is shown; Figure 2 Another structural schematic diagram of an existing liquid cooling chassis is shown. Figure 1 or Figure 2 As shown, the current welding forming method of the liquid cooling chassis requires that each plate be welded separately and a welding interface and a screw interface be reserved so that the welding interface and the screw interface can be used for post-welding finishing again after the liquid cooling chassis is welded and formed.

[0043] However, the inventors found that this welding method not only increases the overall weight of the liquid-cooled chassis, but also places high demands on the structural form, precision distribution, material selection, and process reliability of each plate (such as the cold plate). The continuous realization of the cold channel on the cold plate is relatively complicated, and the weld quality and welding deformation between the plates are difficult to control, which makes the reliability of the liquid-cooled chassis low.

[0044] Based on this, the present application provides a liquid-cooled chassis, which uses additive manufacturing technology to integrally form a cabinet, liquid-cooled components and liquid-cooled channels, thereby avoiding reliability issues caused by welding and improving the safety of the liquid-cooled chassis; and through the one-piece molding design of the liquid-cooled components and the liquid-cooled channels, the lightweight of the liquid-cooled chassis can be improved.

[0045] According to an example embodiment, the liquid cooling chassis provided in the present application includes a cabinet and a liquid cooling assembly, and the cabinet and the liquid cooling assembly are fixedly connected.

[0046] Figure 3 A schematic diagram of a liquid cooling chassis according to an exemplary embodiment of the present application is shown. Figure 3 As shown, the liquid cooling chassis 1 includes a cabinet 10 and a liquid cooling assembly 20 .

[0047] like Figure 3 As shown, the cabinet 10 can be rectangular in shape, and the cabinet 10 can be composed of multiple panels such as front, rear, left, right, top and bottom, which will not be described in detail here. According to the load requirements and service requirements of the chassis, the material of the cabinet 10 can be set as required to be aluminum alloy or titanium alloy or other lightweight high-temperature resistant alloy materials.

[0048] Exemplarily, the material of the liquid cooling chassis 1 (cabinet 10 and liquid cooling assembly 20) can be determined by comprehensive analysis such as thermal simulation analysis, static strength analysis, and vibration dynamics analysis, and the present application does not impose any limitation on this.

[0049] Exemplarily, the cabinet 10 and the liquid cooling assembly 20 are integrally formed based on additive manufacturing technology.

[0050] For example, the cabinet 10 and the liquid cooling assembly 20 are integrally printed and manufactured based on additive manufacturing technology. Additive manufacturing technology is a technology that uses a digital model file as a basis, uses powdered metal or plastic and other bondable materials, and constructs objects by printing layer by layer. Additive manufacturing technology can produce more complex product structures.

[0051] The cabinet 10 and the liquid cooling assembly 20 can be fixedly connected by additive manufacturing technology, which can avoid the setting of welding interfaces and screw interfaces in the liquid cooling chassis 1, so that the liquid cooling chassis 1 does not need to be welded during the post-production process, avoiding the reliability problems caused by the welding method.

[0052] According to an example embodiment, liquid cooling assembly 20 includes a first liquid cooling assembly 21 , a second liquid cooling assembly 22 , and a third liquid cooling assembly 23 .

[0053] Figure 4 A front view of a liquid-cooled chassis showing an exemplary embodiment of the present application; Figure 5 A side view of a liquid-cooled chassis according to an example embodiment of the present application is shown.

[0054] like Figure 4 or Figure 5 As shown, the first liquid cooling assembly 21 is arranged on the top of the cabinet 10 , the second liquid cooling assembly 22 is arranged on the bottom of the cabinet 10 , and the third liquid cooling assembly 23 is longitudinally arranged between the first liquid cooling assembly 21 and the second liquid cooling assembly 22 .

[0055] The first liquid cooling assembly 21 , the second liquid cooling assembly 22 and the third liquid cooling assembly 23 work together to provide cooling liquid for the internal environment of the cabinet 10 .

[0056] According to the exemplary embodiment, the liquid cooling assembly 20 is provided with a liquid cooling channel 201 , and the liquid cooling channel 201 and the liquid cooling assembly 20 are integrally formed based on additive manufacturing technology. The liquid cooling channel 201 is used to perform liquid cooling and heat dissipation for the internal environment of the cabinet 10 .

[0057] Figure 6 A schematic diagram showing a liquid cooling channel in an exemplary embodiment of the present application; Figure 7 A schematic diagram of a liquid cooling channel in the prior art is shown.

[0058] like Figure 6 As shown, the liquid cooling channel 201 and the liquid cooling component 20 are integrally formed based on the additive manufacturing technology. In this way, it is possible to avoid setting a welding interface between the first liquid cooling component 21, the second liquid cooling component 22 and the third liquid cooling component 23, thereby avoiding welding operations.

[0059] Optionally, the liquid cooling channels 201 are diamond-shaped channels and are cross-arranged in the lateral and / or longitudinal directions of the liquid cooling component 20 .

[0060] like Figure 6 As shown, the shape of the liquid cooling channel 201 is set to be rhombus, and it is cross-arranged in the horizontal and / or longitudinal direction of the liquid cooling component 20 according to actual needs.

[0061] For example, the liquid cooling channels 201 of the first liquid cooling component 21 and the third liquid cooling component 23 adopt an arrangement in which diamond-shaped transverse channels and diamond-shaped longitudinal channels intersect each other; the liquid cooling channels 201 of the second liquid cooling component 22 adopt an arrangement in which diamond-shaped transverse channels, diamond-shaped transverse channels and diamond-shaped longitudinal channels intersect each other, etc.

[0062] Compared with the traditional serpentine liquid cooling channel (such as Figure 7 As shown), the flow area and flow rate of the cooling liquid in the liquid cooling channel 201 can be increased to increase the effective heat exchange area between the liquid cooling channel 201 and each electric heating element in the cabinet 10, thereby improving the heat dissipation efficiency of the liquid cooling chassis 1.

[0063] Figure 8 Another schematic diagram showing the liquid cooling channel according to an exemplary embodiment of the present application.

[0064] Optionally, the flow channel area of ​​the liquid cooling channel 201 close to the water outlet and / or the water inlet is larger than the flow channel area far from the water outlet and / or the water inlet.

[0065] For example, Figure 8 As shown, the third liquid cooling component 23 uses a large area liquid cooling channel (such as Figure 8 A small area longitudinal flow channel (such as the rectangular flow channel shown in FIG. Figure 8 The diamond-shaped flow channel shown).

[0066] Fig. 9 A schematic diagram showing a load-bearing assembly according to an exemplary embodiment of the present application; Fig.10 Another schematic diagram showing a load-bearing assembly according to an exemplary embodiment of the present application; Fig.11 A schematic diagram showing the external screw mounting area of ​​an exemplary embodiment of the present application.

[0067] Optionally, a load-bearing component 11 is disposed on the side of the cabinet 10 , and a weight-reducing hole 110 is disposed on the load-bearing component 11 .

[0068] like Fig. 9 As shown, the load-bearing component 11 can be a load-bearing rib beam, and the load-bearing rib beam is regularly provided with weight-reducing holes 110. Such a setting can reduce the weight of the cabinet 10 while ensuring the mechanical bearing capacity of the cabinet 10, so as to ensure the lightness of the liquid cooling chassis 1.

[0069] Optionally, the weight-reducing holes 110 are cross-arranged longitudinally on the load-bearing component 11 .

[0070] like Fig. 9 As shown, the weight-reducing holes 110 on the load-bearing component 11 are not arranged in parallel in a line, but are cross-arranged in the longitudinal direction of the load-bearing component 11. Such an arrangement can make the load-bearing force in each area of ​​the load-bearing component 11 more uniform.

[0071] Optionally, the shape of the load-bearing component 11 includes at least one of a linear shape, a cross shape or a radial shape.

[0072] For example, Fig.10 As shown, when the electrical components in the cabinet 10 have higher requirements on the strength and rigidity of the cabinet 10, a straight load-bearing rib beam can be used.

[0073] Alternatively, according to actual needs, the overall weight of the chassis can be reduced based on topology optimization technology, thin-walled cross-shaped or radial load-bearing beams can be set on the side of the cabinet 10, and weight-reducing holes 110 can be set on the load-bearing beams to ensure the lightweight of the liquid-cooled chassis 1.

[0074] Alternatively, if Fig.11 As shown, the external screw installation area of ​​the cabinet body 10 can also be partially thickened and rounded.

[0075] Fig.12 A schematic diagram showing the chamfer of an exemplary embodiment of the present application; Fig.13 Another schematic diagram showing the chamfer of an exemplary embodiment of the present application.

[0076] Optionally, at least one end corner of the cabinet 10 is provided with a chamfer 12 .

[0077] Optionally, the angle range of the chamfer 12 is 30° to 60°.

[0078] like Fig.12 and Fig.13 As shown, the four end corners of the cabinet 10 are chamfered, and the original rectangular boss connection between the individual plates is changed to a bevel and rounded transition connection to obtain a chamfer 12. In this way, the setting of the welding process overlap table required by the original welding process and the inner cavity of the chassis cannot be removed by subsequent mechanical processing can be avoided, and the weight of the liquid cooling chassis 1 can be reduced, thereby achieving lightweighting of the liquid cooling chassis.

[0079] Alternatively, if Figure 4 As shown, at least one installation assembly 30 is also disposed on the side of the cabinet 10 .

[0080] Exemplarily, the mounting assembly 30 may be a mounting lug, and the mounting lug may fix the cabinet 10 at a target position.

[0081] Optionally, the liquid-cooled chassis described above may be an airborne radar liquid-cooled chassis, which is applied in the field of aerospace technology to provide a liquid-cooled chassis for heat dissipation for the airborne radar.

[0082] The liquid-cooled chassis provided in the present application uses additive manufacturing technology to integrally form a cabinet body, liquid-cooling components and liquid-cooling channels of the liquid-cooled chassis, thereby avoiding reliability problems caused by welding and improving the safety of the liquid-cooled chassis; and through the integral forming of the liquid-cooling components and the liquid-cooling channels, load-bearing ribs, weight-reducing holes and chamfers, the weight of the liquid-cooled chassis can be reduced, thereby improving the lightweight of the liquid-cooled chassis.

[0083] Finally, it should be noted that the above is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions of the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A liquid cooling chassis, characterized in that: It includes a cabinet and a liquid cooling component, wherein the cabinet is fixedly connected to the liquid cooling component, and the liquid cooling component includes: A first liquid cooling component is arranged on the top of the cabinet; A second liquid cooling component is arranged at the bottom of the cabinet; at least one third liquid-cooling assembly disposed longitudinally between the first liquid-cooling assembly and the second liquid-cooling assembly; The liquid cooling assembly is provided with a liquid cooling channel for liquid cooling and heat dissipation for the internal environment of the cabinet; Among them, the cabinet, the liquid cooling assembly and the liquid cooling channel are all prepared by integral molding based on additive manufacturing technology.

2. The liquid cooling chassis according to claim 1, characterized in that: The liquid cooling channels are rhombus-shaped channels and are cross-arranged in the transverse and / or longitudinal directions of the liquid cooling component.

3. The liquid cooling chassis according to claim 1, characterized in that: The flow channel area of ​​the liquid cooling channel close to the water outlet and / or the water inlet is larger than the flow channel area far from the water outlet and / or the water inlet.

4. The liquid cooling chassis according to claim 1, characterized in that: A load-bearing component is arranged on the side of the cabinet, and a weight-reducing hole is arranged on the load-bearing component.

5. The liquid cooling chassis according to claim 4, characterized in that: The weight-reducing holes are arranged crosswise in the longitudinal direction on the load-bearing component.

6. The liquid cooling chassis according to claim 4, characterized in that: The shape of the load-bearing component includes at least one of a linear shape, a cross shape or a radial shape.

7. The liquid cooling chassis according to claim 1, characterized in that: At least one end corner of the cabinet is provided with a chamfer.

8. The liquid cooling chassis according to claim 7, characterized in that: The chamfer angle ranges from 30° to 60°.

9. The liquid cooling chassis according to claim 1, characterized in that: At least one installation component is arranged on the outer side of the cabinet.

10. The liquid cooling chassis according to any one of claims 1 to 9, characterized in that: The liquid-cooled chassis is an airborne radar liquid-cooled chassis.

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