Double-layer assembly type extensible air-cooled aviation integrated rack

Abstract

The invention relates to the technical field of airborne aviation integrated electronic equipment, and aims to solve the problems that in the prior art, due to the fact that aviation integrated equipment is high in function complexity and design difficulty, the number of LRM modules of an integrated rack needs to be changed and the overall layout needs to be adjusted according to different function requirements, a large amount of repetitive workload is brought, and the cost is high. The double-layer assembly type extensible air-cooled aviation integrated rack comprises a top plate, a bottom plate and a central bedplate arranged between the top plate and the bottom plate. Each of the top plate, the bottom plate and the central bedplate comprises a slot guide rail and a plurality of slot units, the plurality of slot units are slidably mounted on the corresponding slot guide rails, and the plurality of slot units are spliced on the corresponding slot guide rails to form the top plate, the bottom plate and the central bedplate; a module bearing area is constructed among the top plate, the bottom plate and the central bedplate, and the slot unit is provided with a slot for mounting a module; the design period of the rack can be shortened.

Description

Technical Field

[0001] The present invention relates to the technical field of airborne integrated aviation electronic equipment, and in particular to a double-layer assembled expandable air-cooled integrated aviation rack. Background Art

[0002] Aviation integrated electronic equipment generally consists of an integrated rack and several LRM modules. The LRM modules are installed on the integrated rack using standard structures and electrical interfaces, and have a high degree of functional integration and good maintainability. The integrated rack is an installation and residence platform for the LRM module and provides a robust and reliable thermal control solution. For the through-air cooling LRM module, the top or bottom surface has its own heat dissipation fins and is installed in an open integrated rack. Ventilation and heat dissipation are carried out through the ambient air control or fan assembly, and the air passes through the LRM module fins to remove heat; the through-liquid cooling LRM module uses the coolant to flow directly into the cold plate of the module to remove heat. It has strong heat dissipation capacity and is installed in the liquid-cooled integrated rack, but the design is complex and the process is difficult; the conduction heat dissipation LRM module is installed in a closed rack, and mainly relies on the ribs on both sides for fixing to conduct the internal heat of the module to the rack slot. Its design difficulty is relatively low and its environmental adaptability is good. However, due to factors such as processing tolerances, there will be a tiny gap between the contact surface of the LRM module's fixed ribs and the rack slot, resulting in a large contact thermal resistance between the LRM module's fixed ribs and the rack slot, affecting the module's heat dissipation. At the same time, as the functions of aviation integrated equipment become more and more complex, performance requirements become higher and higher, and the scale of internal LRM module layout becomes larger and larger, the integration complexity becomes higher and higher, and the design difficulty becomes greater and greater. In the actual engineering design process, it is often necessary to change the number of LRM modules of the integrated rack and adjust the overall layout according to different functional requirements, which brings a lot of repetitive workload and seriously affects the design cycle of the integrated rack.

[0003] With the needs of the times and the development of technology, the current development cycle of avionics equipment presents a short, flat and fast development and design style. However, an important contradiction in the development of avionics equipment is the mismatch between its short cycle and fast iteration development characteristics and the increasingly complex functional requirements and increasing design difficulty. The design scheme of traditional aviation integrated airframes is difficult to meet its development cycle requirements. Therefore, there is an urgent need to improve the design efficiency of aviation integrated airframes. Summary of the Invention

[0004] The present invention aims to provide a double-layer assembled expandable air-cooled aviation integrated rack to solve the problem in the prior art that due to the complexity of the functions of aviation integrated equipment and the high design difficulty, it is often necessary to change the number of LRM modules of the integrated rack and adjust the overall layout according to different functional requirements, which brings a large amount of repetitive work and seriously affects the design cycle of the integrated rack.

[0005] The present invention is achieved by adopting the following technical solutions:

[0006] The present invention provides a double-layer assembled expandable air-cooled aviation integrated rack, comprising a top plate, a bottom plate, and a central platform arranged between the top plate and the bottom plate;

[0007] The top plate, the bottom plate and the central platform each include a slot guide rail and a plurality of slot units, wherein the plurality of slot units are slidably mounted on the corresponding slot guide rails, and the plurality of slot units are assembled on the corresponding slot guide rails to form the top plate, the bottom plate and the central platform;

[0008] A module bearing area is constructed between the top plate, the bottom plate and the central platform, and slots for installing modules are provided on the slot units.

[0009] As the preferred technical solution:

[0010] On the assembly interface of the two slot units, a pin hole is provided on the side of one of the slot units, and a pin shaft is provided on the side of the other slot unit, and the pin shaft is adapted to the pin hole. When the two slot units are installed on the slot guide rail, the pin shaft is inserted into the corresponding pin hole to improve the overall stiffness of the multiple slot units after assembly.

[0011] As the preferred technical solution:

[0012] The top plate includes a top plate slot guide rail and a plurality of top plate slot units, the top plate slot units are provided with a top plate slot guide rail groove, the top plate slot guide rail cooperates with the top plate slot guide rail groove, the top plate slot guide rail is arranged through the top plate slot guide rail groove, and the plurality of top plate slot units are slidably mounted on the top plate slot guide rail;

[0013] The bottom plate includes a bottom plate slot guide rail and a plurality of bottom plate slot units, the bottom plate slot units are provided with bottom plate slot guide rail grooves, the bottom plate slot guide rails cooperate with the bottom plate slot guide rail grooves, the bottom plate slot guide rails pass through the bottom plate slot guide rail grooves, and the plurality of bottom plate slot units are slidably mounted on the bottom plate slot guide rails;

[0014] The central table includes a central slot guide rail and several central slot units. The central slot unit is provided with a central slot guide rail groove. The central slot guide rail cooperates with the central slot guide rail groove. The central slot guide rail is arranged through the central slot guide rail groove. Several central slot units are slidably installed on the central slot guide rail.

[0015] As the preferred technical solution:

[0016] The top plate includes a plurality of top plate slot guide rails, the plurality of top plate slot guide rails are arranged horizontally and parallel to each other, each top plate slot unit is provided with a plurality of top plate slot guide rail grooves, and each top plate slot unit is slidably mounted on the plurality of top plate slot guide rails at the same time;

[0017] Each of the bottom plate slot units is slidably mounted on a plurality of bottom plate slot guide rails at the same time;

[0018] Each of the central slot units is slidably mounted on a plurality of central slot guide rails at the same time.

[0019] As the preferred technical solution:

[0020] Slots for installing LRM modules are provided on the bottom surface of the top plate slot unit, the top surface of the bottom plate slot unit, and the top and bottom surfaces of the central slot unit. The slots on the top plate slot unit are opposite to the slots on the top surface of the central slot unit, forming an installation space for the LRM module. The slots on the bottom plate slot unit are opposite to the slots on the bottom surface of the central slot unit, forming an installation space for the LRM module.

[0021] As the preferred technical solution:

[0022] The slot is adapted to the shape of the LRM module.

[0023] As the preferred technical solution:

[0024] The slots may be, but are not limited to, wedge-shaped slots.

[0025] As the preferred technical solution:

[0026] The double-layer assembled expandable air-cooled aviation integrated rack also includes a middle partition, which adopts a frame structure. Three rows of guide rail grooves are opened on the middle partition, and the three rows of guide rail grooves are respectively used to cooperate with the top plate slot guide rail, the top plate slot guide rail and the central slot guide rail. The top plate slot guide rail, the top plate slot guide rail and the central slot guide rail are respectively arranged through the corresponding guide rail grooves, and the middle partition is slidably installed on the top plate slot guide rail, the top plate slot guide rail and the central slot guide rail.

[0027] As the preferred technical solution:

[0028] The double-layer assembled expandable air-cooled aviation integrated rack further comprises two side panels, and the two ends of the slot guide rail are respectively connected to the two side panels.

[0029] As the preferred technical solution:

[0030] A handle is installed on the outer side of the side panel.

[0031] As the preferred technical solution:

[0032] The double-layer assembled expandable air-cooled aviation integrated rack includes a mounting base, and the bottom plate is placed on the mounting base and fixedly connected to the mounting base.

[0033] As the preferred technical solution:

[0034] Two ends of the bottom plate slot unit are respectively supported on the two mounting bases, and the bottom plate slot unit is fixedly connected to the mounting bases.

[0035] As the preferred technical solution:

[0036] The double-layer assembled expandable air-cooled aviation integrated rack further includes a rear frame assembly, and one side of each of the two side panels is fixedly connected to the rear frame assembly.

[0037] As the preferred technical solution:

[0038] The top plate, the bottom plate and one side of the central platform are all fixedly connected to the rear frame assembly.

[0039] As the preferred technical solution:

[0040] A fan assembly is arranged above the top plate, a rear side of the fan assembly is connected to the rear frame assembly, and the fan assembly is placed on the two side plates.

[0041] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0042] The present invention improves the integrated design of the traditional integrated rack into a platen assembled from several slot units. Different slot units and middle partitions can be flexibly assembled according to the different functional integration requirements and design adjustments of the integrated rack. Only the fan assembly and the rear frame assembly need to be adaptively adjusted and designed. This greatly reduces the design workload of the integrated rack, shortens the design cycle of the integrated rack, effectively shortens the product development cycle and development cost, and adapts to the rapid iteration development characteristics of the new era. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 This is a schematic structural diagram of the double-layer assembled expandable air-cooled aviation integrated rack described in the present invention.

[0044] Figure 2 This is an exploded view of the double-layer assembled expandable air-cooled aviation integrated rack described in the present invention.

[0045] Figure 3This is an exploded view of the top plate, bottom plate and central platform described in the present invention.

[0046] Figure 4 This is a schematic diagram of the splicing of the slot units described in the present invention.

[0047] Icon: 1-rear frame assembly, 2-left side panel, 3-mounting base, 4-bottom plate, 5-middle partition, 6-central platform, 7-top plate, 8-right side panel, 9-fan assembly, 10-pin hole, 11-pin shaft, 12-LRM module, 13-handle, 14-built-in handle, 15-slot, 401-bottom plate slot unit, 402-bottom plate slot guide rail, 403-bottom plate slot guide rail groove, 601-central slot unit, 602-central slot guide rail, 603-central slot guide rail groove, 701-top plate slot unit, 702-top plate slot guide rail, 703-top plate slot guide rail groove. DETAILED DESCRIPTION

[0048] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0049] Example 1

[0050] like Figures 1-4 As shown, this embodiment provides a double-layer assembled expandable air-cooled aviation integrated rack, comprising a top plate 7, a bottom plate 4, and a central platform 6 arranged between the top plate 7 and the bottom plate 4;

[0051] The top plate 7 includes a top plate slot guide rail 702 and several top plate slot units 701. The top plate slot unit 701 is provided with a top plate slot guide rail groove 703. The top plate slot guide rail 702 cooperates with the top plate slot guide rail groove 703. The top plate slot guide rail 702 is set through the top plate slot guide rail groove 703. The top plate slot unit 701 is slidably installed on the top plate slot guide rail 702. Several top plate slot units 701 are arranged in sequence and are all slidably installed on the top plate slot guide rail 702. Several top plate slot units 701 are connected in series on the top plate slot guide rail 702.

[0052] To achieve stable installation of the top plate slot unit 701, the top plate 7 includes a plurality of top plate slot guide rails 702. The plurality of top plate slot guide rails 702 are horizontally arranged and parallel to each other. In this embodiment, the plurality of top plate slot guide rails 702 are evenly and spaced apart. The top plate slot unit 701 is provided with a plurality of top plate slot guide rail grooves 703. The number of the top plate slot guide rail grooves 703 is the same as the number of the top plate slot guide rails 702, and the positions of the top plate slot guide rail grooves 703 correspond to the positions of the top plate slot guide rails 702. Through the cooperation of the plurality of top plate slot guide rail grooves 703 and the plurality of top plate slot guide rails 702, each top plate slot unit 701 is simultaneously slidably installed on the plurality of top plate slot guide rails 702, so that each top plate slot guide rail 702 passes through a corresponding top plate slot guide rail groove 703. In this way, each of the top plate slot units 701 can slide synchronously on the multiple top plate slot guide rails 702, and the multiple top plate slot guide rails 702 provide stable support and guidance for the top plate slot units 701.

[0053] The base plate 4 includes a base plate slot guide rail 402 and several base plate slot units 401. The base plate slot unit 401 is provided with a base plate slot guide rail groove 403. The base plate slot guide rail 402 cooperates with the base plate slot guide rail groove 403. The base plate slot guide rail 402 is set through the base plate slot guide rail groove 403. The base plate slot unit 401 is slidably installed on the base plate slot guide rail 402. Several base plate slot units 401 are arranged in sequence and are all slidably installed on the base plate slot guide rail 402.

[0054] Multiple base plate slot guide rails 402 can be set according to the above method, and multiple base plate slot guide rail grooves 403 can be set on the base plate slot unit 401. Through the cooperation of multiple base plate slot guide rail grooves 403 and multiple base plate slot guide rails 402, each base plate slot unit 401 can be slidably installed on multiple base plate slot guide rails 402 at the same time, so that each base plate slot guide rail 402 passes through a corresponding base plate slot guide rail groove 403, thereby realizing stable installation of the base plate slot unit 401.

[0055] The central table 6 includes a central slot guide rail 602 and several central slot units 601. The central slot unit 601 is provided with a central slot guide rail groove 603. The central slot guide rail 602 cooperates with the central slot guide rail groove 603. The central slot guide rail 602 is set through the central slot guide rail groove 603. The central slot unit 601 is slidably installed on the central slot guide rail 602. Several central slot units 601 are arranged in sequence and are all slidably installed on the central slot guide rail 602.

[0056] Multiple central slot guide rails 602 can be set in the above manner, and multiple central slot guide rail grooves 603 can be set on the central slot unit 601. Through the cooperation of multiple central slot guide rail grooves 603 and multiple central slot guide rails 602, each central slot unit 601 can be slid and installed on multiple central slot guide rails 602 at the same time, so that each central slot guide rail 602 passes through a corresponding central slot guide rail groove 603, thereby realizing stable installation of the central slot unit 601.

[0057] Figure 3 7. It is shown in FIG. 7 that there are four top plate slot guide rails 702, four top plate slot guide rails 702 and four central slot guide rails 602, but the number is not limited to four.

[0058] The bottom surface of the top plate slot unit 701, the top surface of the bottom plate slot unit 401, and the top and bottom surfaces of the central slot unit 601 are all provided with slots 15 for installing the LRM module 12. The slot 15 on the top plate slot unit 701 is opposite to the slot 15 on the top surface of the central slot unit 601, forming an installation space for the LRM module 12. The slot 15 on the bottom plate slot unit 401 is opposite to the slot 15 on the bottom surface of the central slot unit 601. The installation space of the LRM module 12 is formed. The LRM module 12 is arranged between the top plate 7 and the central platform 6, and its upper and lower ends are respectively clamped in the slot 15 on the top plate slot unit 701 and the slot 15 on the top surface of the central slot unit 601; the LRM module 12 is arranged between the bottom plate 4 and the central platform 6, and its upper and lower ends are respectively clamped in the slot 15 on the bottom surface of the central slot unit 601 and the slot 15 on the bottom plate slot unit 401.

[0059] The slot 15 may be, but is not limited to, a wedge-shaped slot, which is adapted to the shape of the LRM module 12 and can meet the requirements of installing the LRM module 12 in the slot 15 .

[0060] The term "several" refers to one, two or more. In actual use, a plurality of the top plate slot units 701 are usually slidably installed on the top plate slot guide rails 702 to accommodate the installation of a plurality of the LRM modules 12.

[0061] The double-layer assembled expandable air-cooled aviation integrated rack also includes two side panels, namely the left side panel 2 and the right side panel 8. The two ends of the above-mentioned guide rails (the top panel slot guide rail 702, the top panel slot guide rail 702 and the central slot guide rail 602) are respectively connected to the left side panel 2 and the right side panel 8. The specific connection method can be screw connection. Through the above structure, a two-layer LRM module 12 bearing area is constructed.

[0062] Handles 13 are installed on the outer sides of the two side panels. The two handles 13 are provided to facilitate the transportation of the entire rack. The handles 13 are fixed to the side panels, for example, by screws.

[0063] The double-layer assembled expandable air-cooled aviation integrated rack further includes a mounting base 3 , and the bottom plate 4 is placed on the mounting base 3 and fixedly connected to the mounting base 3 , for example, by screws.

[0064] In this embodiment, the double-layer assembled expandable air-cooled aviation integrated rack includes two opposing mounting bases 3. The bottom plate 4 is placed on and fixedly connected to the two mounting bases 3. The mounting bases 3 support the bottom plate 4, and the two mounting bases 3 serve as the mounting interface for the entire rack. Specifically, the ends of the bottom plate slot unit 401 are supported on the two mounting bases 3, and the bottom plate slot unit 401 is fixedly connected to the mounting base 3, for example, by screws.

[0065] The two side panels are respectively arranged at both ends of the mounting base 3, and the bottom end of each side panel is fixedly connected to the two mounting bases 3, for example, by screws. The mounting base 3 can be adaptively modified according to different installation conditions and a suitable form can be selected.

[0066] The double-layer assembled expandable air-cooled aviation integrated rack further includes a rear frame assembly 1, which is used to install related components such as a motherboard, electrical interconnections, and external connectors.

[0067] The rear frame assembly 1 is arranged at the rear side of the rack, and is perpendicular to the two side panels. The two side panels are fixedly connected to the rear frame assembly 1, for example, by screws.

[0068] One side of the top plate 7, the bottom plate 4, and the central platform 6 are all fixedly connected to the rear frame assembly 1. Specifically, the ends of the top plate slot unit 701, the bottom plate slot unit 401, and the central slot unit 601 are provided with connection holes, and screws are passed through the rear frame assembly 1 and screwed into the connection holes, thereby achieving a fixed connection between the top plate 7, the bottom plate 4, and the central platform 6 and the rear frame assembly 1.

[0069] A fan assembly 9 is arranged above the top plate 7. The rear side of the fan assembly 9 is connected to the rear frame assembly 1. The fan assembly 9 is placed on the two side panels, which support the fan assembly 9. The fan assembly 9 serves as a thermal control component of the rack, and air cooling and heat dissipation are achieved through the fan assembly 9.

[0070] In this embodiment, the fan assembly 9 is installed on the rear frame assembly 1 in a pull-out quick disassembly manner, and its tail is locked on the rear frame assembly 1 through the cooperation of a guide pin and a guide sleeve. Specifically, the tail of the fan assembly 9 is fixedly installed with a guide sleeve, and the rear frame assembly 1 is fixedly installed with a guide pin. When installing the fan assembly 9, the fan assembly 9 is pushed from front to back. At the same time, the guide pin shaft located on the rear frame assembly 1 is inserted into the pin hole of the guide sleeve at the tail of the fan assembly 9. After being pushed into place, the front end of the fan assembly 9 is fastened to the top plate 7 with screws to achieve the installation of the fan assembly 9.

[0071] Two built-in handles 14 are designed on the front panel of the fan assembly 9 to facilitate the extraction of the fan assembly 9 .

[0072] The fan assembly 9 is installed in a manner not limited to the above, and may be installed in other fixed connection manners or detachable connection manners on the rear frame assembly 1 .

[0073] In this embodiment, the fan assembly 9 includes a mounting frame and a plurality of fans mounted in the mounting frame. This is only an example, and the fan assembly 9 is not limited to this structural form.

[0074] The rear frame assembly 1 is mounted with a motherboard to achieve electrical interconnection between the LRM modules 12 and the fan assembly 9 .

[0075] The core components of the present invention are the base plate 4, the central table 6 and the top plate 7, which are the key to constructing the installation platform of the LRM module 12 and are all designed as an assembled structure. The base plate 4, the central table 6 and the top plate 7 are all assembled through their respective slot units. The base plate 4 is assembled on the base plate slot guide rail 402 by a number of base plate slot units 401, and all base plate slot units 401 are connected in series through four base plate slot guide rails 402. The assembly principle of the central table 6 and the top plate 7 is the same as that of the base plate 4. The central table 6 is assembled on the central slot guide rail 602 by a number of central slot units 601, and all central slot units 601 are connected in series through four central slot guide rails 602; the top plate 7 is assembled on the top plate slot guide rail 702 by a number of top plate slot units 701, and all top plate slot units 701 are connected in series through four top plate slot guide rails 702.

[0076] A guide rail groove for connecting the slot guide rails in series is designed on each slot unit. On the assembly interface of two adjacent slot units, a pin hole 10 is provided on one slot unit, and a pin shaft 11 is provided on the other adjacent slot unit. The pin shaft 11 is inserted into the corresponding pin hole 10 to improve the overall stiffness of the multiple slot units after assembly.

[0077] A two-layer LRM module-carrying area is constructed between the bottom plate 4, the central platform 6, and the top plate 7. The number of slot units can be appropriately expanded according to design requirements, and the number of installed LRM modules 12 can be increased or decreased according to different functional requirements to meet the installation requirements of LRM modules 12. Each slot unit can be designed with several thickness specifications based on the conventional thickness of LRM modules 12 (24, 30, 40, 50 mm, etc.), facilitating the flexible layout of the integrated rack LRM modules 12 and improving the design flexibility of the rack.

[0078] The present invention improves the integrated design of the traditional integrated rack into a platen assembled from a number of slot units. Different slot units can be flexibly assembled according to the different functional integration requirements and design adjustments of the integrated rack. Only the fan assembly 9 and the rear frame assembly 1 need to be adaptively adjusted and designed. This greatly reduces the design workload of the integrated rack, shortens the design cycle of the integrated rack, effectively shortens the product development cycle and development cost, and adapts to the rapid iteration development characteristics of the new era.

[0079] Example 2

[0080] The difference between this embodiment and embodiment 1 is that:

[0081] The number of the central platform 6 is at least one, and may also be two or more, which are arranged at intervals between the top plate 7 and the bottom plate 4 to construct more than two layers of LRM module installation platforms.

[0082] Example 3

[0083] The difference between this embodiment and embodiment 1 is that:

[0084] The double-layer assembled expandable air-cooled aviation integrated rack also includes a middle partition 5, which adopts a frame structure. Three rows of guide rail grooves are opened on the middle partition 5, and the three rows of guide rail grooves are respectively used to cooperate with the top plate slot guide rail 702, the top plate slot guide rail 702 and the central slot guide rail 602. The top plate slot guide rail 702, the top plate slot guide rail 702 and the central slot guide rail 602 are respectively passed through the corresponding guide rail grooves, and the middle partition 5 is slidably installed on the top plate slot guide rail 702, the top plate slot guide rail 702 and the central slot guide rail 602.

[0085] The middle partition 5 is designed to be installed in the middle of the entire frame as a reinforcement structure.

[0086] The middle partition 5 can be selectively set according to actual design conditions. It cooperates with the bottom plate slot guide rail 402, the central slot guide rail 602 and the top plate slot guide rail 702 to assemble the middle partition 5 in the rack. The number of the middle partitions 5 can be increased or decreased as needed.

[0087] In this embodiment, the middle partition plate 5 is an integrated milling component.

[0088] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

[0089] For ordinary technicians in this field, various modifications and improvements can be made without departing from the spirit and essence of the present invention (such as adding or reducing the number of slot units, modifying the layout position of fan components, modifying the number of integrated rack layers, etc.), and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A double-layer assembled expandable air-cooled aviation integrated rack, characterized by: It includes a top plate, a bottom plate and a central platform arranged between the top plate and the bottom plate; The top plate, the bottom plate and the central platform each include a slot guide rail and a plurality of slot units, wherein the plurality of slot units are slidably mounted on the corresponding slot guide rails, and the plurality of slot units are assembled on the corresponding slot guide rails to form the top plate, the bottom plate and the central platform; A module bearing area is constructed between the top plate, the bottom plate and the central platform, and slots for installing modules are provided on the slot units.

2. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 1, characterized in that: The top plate includes a top plate slot guide rail and a plurality of top plate slot units, the top plate slot units are provided with a top plate slot guide rail groove, the top plate slot guide rail cooperates with the top plate slot guide rail groove, the top plate slot guide rail is arranged through the top plate slot guide rail groove, and the plurality of top plate slot units are slidably mounted on the top plate slot guide rail; The bottom plate includes a bottom plate slot guide rail and a plurality of bottom plate slot units, the bottom plate slot units are provided with bottom plate slot guide rail grooves, the bottom plate slot guide rails cooperate with the bottom plate slot guide rail grooves, the bottom plate slot guide rails pass through the bottom plate slot guide rail grooves, and the plurality of bottom plate slot units are slidably mounted on the bottom plate slot guide rails; The central table includes a central slot guide rail and several central slot units. The central slot unit is provided with a central slot guide rail groove. The central slot guide rail cooperates with the central slot guide rail groove. The central slot guide rail is arranged through the central slot guide rail groove. Several central slot units are slidably installed on the central slot guide rail.

3. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 2, characterized in that: The top plate includes a plurality of top plate slot guide rails, the plurality of top plate slot guide rails are arranged horizontally and parallel to each other, each top plate slot unit is provided with a plurality of top plate slot guide rail grooves, and each top plate slot unit is slidably mounted on the plurality of top plate slot guide rails at the same time; Each of the bottom plate slot units is slidably mounted on a plurality of bottom plate slot guide rails at the same time; Each of the central slot units is slidably mounted on a plurality of central slot guide rails at the same time.

4. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 2, characterized in that: Slots for installing LRM modules are provided on the bottom surface of the top plate slot unit, the top surface of the bottom plate slot unit, and the top and bottom surfaces of the central slot unit. The slots on the top plate slot unit are opposite to the slots on the top surface of the central slot unit, forming an installation space for the LRM module. The slots on the bottom plate slot unit are opposite to the slots on the bottom surface of the central slot unit, forming an installation space for the LRM module.

5. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 4, characterized in that: The slot is adapted to the shape of the LRM module.

6. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 2, characterized in that: The double-layer assembled expandable air-cooled aviation integrated rack also includes a middle partition, which adopts a frame structure. Three rows of guide rail grooves are opened on the middle partition, and the three rows of guide rail grooves are respectively used to cooperate with the top plate slot guide rail, the top plate slot guide rail and the central slot guide rail. The top plate slot guide rail, the top plate slot guide rail and the central slot guide rail are respectively arranged through the corresponding guide rail grooves, and the middle partition is slidably installed on the top plate slot guide rail, the top plate slot guide rail and the central slot guide rail.

7. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 1, characterized in that: The double-layer assembled expandable air-cooled aviation integrated rack further comprises two side panels, and the two ends of the slot guide rail are respectively connected to the two side panels.

8. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 1, characterized in that: The double-layer assembled expandable air-cooled aviation integrated rack includes a mounting base, and the bottom plate is placed on the mounting base and fixedly connected to the mounting base.

9. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 7, characterized in that: The double-layer assembled expandable air-cooled aviation integrated rack further includes a rear frame assembly, and one side of each of the two side panels is fixedly connected to the rear frame assembly.

10. The double-layer assembled expandable air-cooled aviation integrated rack according to claim 9, characterized in that: A fan assembly is arranged above the top plate, a rear side of the fan assembly is connected to the rear frame assembly, and the fan assembly is placed on the two side plates.

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