Novel airborne power supply controller structure

By using the design of brackets, mold springs and unremovable screws in the on-board power controller, the existing structure is complex, low heat dissipation efficiency and difficult maintenance are solved, and the stability, reliability and maintenance efficiency are improved.

CN223246859UActive Publication Date: 2025-08-19SHAANXI WEILAN AEROSPACE MEASUREMENT & CONTROL TECH DEV CO LTD
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Patent Information

Application Number
CN202422507976.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-08-19
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

The existing airborne power controller has complex structure, low heat dissipation efficiency, low reliability, low maintenance efficiency, and easy to loosen or fall, resulting in failure.

Method used

The design of a bracket, a mold spring and a number of loose screws is adopted in the shell. The elastic force of the mold spring makes the aluminum substrate close to the inner wall of the shell, and other electronic components are fixed in the space formed by the cover plate, bracket and bottom aluminum substrate. When disassembly, the overall disengagement is achieved by pressing the shell with long disc head screws and hand force.

Benefits of technology

It improves the stability, reliability and repairability of the onboard power controller, increases the heat dissipation area, simplifies the assembly and disassembly process, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel airborne power supply controller structure, the bottom of a housing is provided with an assembly hole, the bottom of the inner cavity of the housing is provided with a bottom aluminum substrate, a dismounting screw passes through the assembly hole to fixedly connect the bottom aluminum substrate with the bottom of the housing, a support is installed in the inner cavity of the housing, and the support is located above the bottom aluminum substrate. A left side aluminum substrate is arranged between the left side of the support and the inner wall of the left side of the shell, a right side aluminum substrate is arranged between the right side of the support and the inner wall of the right side of the shell, and a plurality of mold springs and a plurality of captive screws are further arranged between the right side aluminum substrate and the support and between the left side aluminum substrate and the support. Each captive screw penetrates through the right side aluminum substrate / the left side aluminum substrate and the mold spring to be fixedly connected with the support, the cover plate is connected with the opening end face of the shell in a sealed mode, other electronic components are arranged in a space formed by the cover plate, the support and the bottom aluminum substrate, and other electronic components are fixedly connected with the cover plate or the bottom aluminum substrate.
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Description

Technical Field

[0001] The utility model belongs to the technical field of novel electronic equipment, and in particular relates to a novel airborne power supply controller structure. Background Art

[0002] The airborne power controller is a core component of the electronic equipment responsible for boosting, reducing and stabilizing the aircraft power supply system. The quality of its structural design directly affects the stability, reliability and maintainability of the aircraft power supply system.

[0003] The existing airborne power controller structure has a large number of components scattered in various parts of the shell, and the structural design of the airborne power supply is realized by a stacked structure. Its structure is complex, with low reliability, low heat dissipation efficiency, and low assembly efficiency. When the airborne power controller finds an abnormality or checks quality problems, the parts need to be disassembled one by one, which reduces the maintenance efficiency. At the same time, the internal structure and the shell are not firmly matched, and are prone to loosening and falling, resulting in structural failure.

[0004] Therefore, developing a new airborne power controller structure has great market prospects. Utility Model Content

[0005] The purpose of the utility model is to solve the problems of the prior art and to provide a novel airborne power supply controller structure.

[0006] In order to solve the technical problem, the technical solution of the utility model is: a new type of airborne power controller structure, including a shell, a bracket, a mold spring, a loose and loose screw, a right aluminum base plate, a left aluminum base plate, a bottom aluminum base plate, a disassembly screw, a cover plate and other electronic components, the bottom of the shell is provided with an assembly hole, the bottom of the shell cavity is provided with a bottom aluminum base plate, the disassembly screw passes through the assembly hole to fix the bottom aluminum base plate to the bottom of the shell, the bracket is installed in the shell cavity, and the bracket is located above the bottom aluminum base plate, the left aluminum base plate is provided between the left side of the bracket and the left inner wall of the shell, the right aluminum base plate is provided between the right side of the bracket and the right inner wall of the shell, and a mold spring is further provided between the right aluminum base plate and the left aluminum base plate and the bracket, the mold spring and the loose and loose screws are multiple, each loose and loose screw passes through the right aluminum base plate / left aluminum base plate and the mold spring and is fixedly connected to the bracket, the elastic force of the mold spring causes the right aluminum base plate and the left aluminum base plate to press the left and right inner walls of the shell respectively, the cover plate is sealed with the open end face of the shell, the other electronic components are provided in the space formed by the cover plate, the bracket and the bottom aluminum base plate, and the other electronic components are fixedly connected to the cover plate or the bottom aluminum base plate.

[0007] Preferably, the shell is a square structure with one end face open, the bracket is a square frame structure with both end faces open, the lower end face of the bracket is in close contact with the bottom aluminum substrate, the upper end face of the bracket is in close contact with the cover plate, and the size of the bracket is smaller than the size of the shell cavity.

[0008] Preferably, a plurality of assembly holes are provided at the bottom of the shell, and a plurality of disassembly screws pass through the plurality of assembly holes to fix the bottom aluminum substrate to the bottom of the shell; when disassembly is required, the disassembly screws are first removed, and the long pan head screws are screwed into the assembly holes, and then the shell is pressed downward. When the pressure is greater than the friction force between the right aluminum substrate and the left aluminum substrate, the bracket is removed from the inner cavity of the shell.

[0009] Preferably, a mold spring is provided between the bracket and the right aluminum substrate or the left aluminum substrate, and the right aluminum substrate or the left aluminum substrate is respectively provided with a countersunk groove, and a captive screw is installed in the countersunk groove and passes through the right aluminum substrate or the left aluminum substrate and the mold spring to be connected to the bracket. When the mold spring is not compressed, the distance between the right aluminum substrate and the left aluminum substrate is greater than the distance between the left and right inner walls of the shell.

[0010] Preferably, the captive screw consists of an integrally formed head, a polished rod portion and a threaded portion, the head of the captive screw is limited to the countersunk groove, the polished rod portion of the captive screw passes through the right aluminum substrate or the left aluminum substrate and the mold spring, and the threaded portion of the captive screw is threadedly connected to the bracket.

[0011] Preferably, the bracket is provided with a slot and a countersunk hole on the left and right sides respectively, a threaded hole is provided at the root of the countersunk hole, the right aluminum substrate and the left aluminum substrate are respectively arranged in the slot, the mold spring is installed in the countersunk hole, and the threaded part of the captive screw is threadedly connected in the threaded hole.

[0012] Preferably, the cover plate is adapted to the size of the upper end surface of the shell.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) The utility model discloses a novel airborne power controller structure, which utilizes a plurality of captive screws to mount the left and right aluminum substrates on the left and right sides of a bracket. A mold spring is provided between the left and right aluminum substrates and the bracket respectively. When mounting, the left and right aluminum substrates are pressed inwards, and the mold springs are compressed and snapped into the shell. The cover plate is pressed upward, and the bracket, the left and right aluminum substrates are integrally embedded in the shell. The right and left aluminum substrates are pressed against the inner wall of the shell by the elastic force of the mold springs to dissipate heat. The aluminum substrate of the utility model has high heat dissipation efficiency. Compared with the design of stacking loose parts, the heat dissipation area is increased. Under the action of the mold spring, the captive screws are embedded inside, eliminating the problem of loosening or falling of other screws and causing structural failure, thereby greatly improving the stability, reliability and maintainability of the airborne power controller structure.

[0015] (2) When disassembling the structure of the utility model, the disassembly screws are removed and screwed in with long pan head screws. The long pan head screws are placed on a horizontal platform and the shell is pressed by hand. When the pressure is greater than the friction between the right aluminum substrate and the left aluminum substrate, the shell is separated from the internal structure. The utility model is easy to disassemble and the internal structure can be removed as a whole by pressing. There is no need to disassemble parts one by one, which has high maintenance efficiency.

[0016] (3) The utility model has a simple structure, is easy to assemble and disassemble, and is convenient for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 , a schematic top view of a novel airborne power controller structure of the utility model;

[0018] Figure 2 , a front sectional view of a novel airborne power controller structure of the utility model;

[0019] Figure 3 , a schematic diagram of the captive screw structure of a novel airborne power controller structure of the utility model.

[0020] Description of reference numerals:

[0021] 1. Housing, 2. Bracket, 3. Mold spring, 4. Captive screws, 5. Right aluminum base plate, 6. Left aluminum base plate, 7. Bottom aluminum base plate, 8. Disassembly screws, 9. Cover, 10. Other electronic components;

[0022] 1-1, assembly hole;

[0023] 2-1, slot, 2-2, countersunk hole, 2-3, threaded hole;

[0024] 4-1, head, 4-2, polished rod part, 4-3, threaded part. DETAILED DESCRIPTION

[0025] The following describes the specific implementation of the present invention in conjunction with the embodiments:

[0026] It should be noted that the structures, proportions, sizes, etc. shown in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this utility model without affecting the efficacy and purpose that can be achieved by the present utility model.

[0027] Example 1

[0028] like Figures 1-3As shown, the utility model discloses a novel airborne power controller structure, including a shell 1, a bracket 2, a mold spring 3, a captive screw 4, a right aluminum base plate 5, a left aluminum base plate 6, a bottom aluminum base plate 7, a disassembly screw 8, a cover plate 9 and other electronic components 10. The shell 1 is provided with an assembly hole 1-1 at the bottom, and the bottom of the inner cavity of the shell 1 is provided with a bottom aluminum base plate 7. The disassembly screw 8 passes through the assembly hole 1-1 to fix the bottom aluminum base plate 7 to the bottom of the shell 1. The bracket 2 is installed in the inner cavity of the shell 1, and the bracket 2 is located above the bottom aluminum base plate 7. The left aluminum base plate 6 is provided between the left side of the bracket 2 and the left inner wall of the shell 1. The right side of the bracket 2 A right aluminum substrate 5 is arranged between the right inner wall of the shell 1, and a mold spring 3 is also arranged between the right aluminum substrate 5 and the left aluminum substrate 6 and the bracket 2. There are multiple mold springs 3 and captive screws 4, and each captive screw 4 passes through the right aluminum substrate 5 / left aluminum substrate 6 and the mold spring 3 and is fixedly connected to the bracket 2. The elastic force of the mold spring 3 causes the right aluminum substrate 5 and the left aluminum substrate 6 to press the left and right inner walls of the shell 1 respectively. The cover plate 9 is sealed with the open end face of the shell 1. Other electronic components 10 are arranged in the space formed by the cover plate 9, the bracket 2 and the bottom aluminum substrate 7, and the other electronic components 10 are fixedly connected to the cover plate 9 or the bottom aluminum substrate 7.

[0029] Example 2

[0030] like Figure 1 、 2 As shown, preferably, the shell 1 is a square structure with an open end face, the bracket 2 is a square frame structure with open end faces, the lower end face of the bracket 2 is in close contact with the bottom aluminum substrate 7, the upper end face of the bracket 2 is in close contact with the cover plate 9, and the size of the bracket 2 is smaller than the inner cavity size of the shell 1.

[0031] The structure of the bracket 2 is similar to the size of the inner cavity of the shell 1 and is slightly smaller than the size of the inner cavity of the shell 1.

[0032] like Figure 2 As shown, preferably, a plurality of assembly holes 1-1 are provided at the bottom of the shell 1, and a plurality of disassembly screws 8 pass through the plurality of assembly holes 1-1 to fix the bottom aluminum substrate 7 to the bottom of the shell 1; when disassembly is required, the disassembly screws 8 are first removed, and the long pan head screws are screwed into the assembly holes 1-1, and then the shell 1 is pressed downward. When the pressure is greater than the friction force of the right aluminum substrate 5 and the left aluminum substrate 6, the bracket 2 is removed from the inner cavity of the shell 1.

[0033] During installation, the assembly hole 1-1 is used to fix the bottom aluminum substrate 7 on the shell 1. During disassembly, the assembly hole 1-1 is used to screw in the long pan head screw so that the internal structure as a whole can be removed from the inner cavity of the shell 1, which is convenient for maintenance and improves maintenance efficiency.

[0034] Example 3

[0035] like Figure 1 、 2 As shown, preferably, a mold spring 3 is provided between the bracket 2 and the right aluminum substrate 5 or the left aluminum substrate 6, and the right aluminum substrate 5 or the left aluminum substrate 6 are respectively provided with a countersunk groove, and a captive screw 4 is installed in the countersunk groove and passes through the right aluminum substrate 5 or the left aluminum substrate 6 and the mold spring 3 to be connected to the bracket 2. When the mold spring 3 is not compressed, the distance between the right aluminum substrate 5 and the left aluminum substrate 6 is greater than the distance between the left and right inner walls of the shell 1.

[0036] like Figure 3 As shown, preferably, the captive screw 4 is composed of an integrally formed head 4-1, a smooth rod portion 4-2 and a threaded portion 4-3, the head 4-1 of the captive screw 4 is limited to the countersunk groove, the smooth rod portion 4-2 of the captive screw 4 passes through the right aluminum substrate 5 or the left aluminum substrate 6 and the mold spring 3, and the threaded portion 4-3 of the captive screw 4 is threadedly connected to the bracket 2.

[0037] The right aluminum substrate 5 or the left aluminum substrate 6 can also be fixed to the housing 1 from the outside of the housing 1 by countersunk screws to improve assembly stability. When repairing, they can be removed in advance.

[0038] The right aluminum substrate 5 or the left aluminum substrate 6 is a square plate, which can be inserted into the interior of the shell 1 by pressing and compressing, and can also increase the contact area, closely adhere to the inner wall of the shell 1 to dissipate heat, and improve heat dissipation efficiency.

[0039] Example 4

[0040] like Figure 1 As shown, preferably, a slot 2-1 and a countersunk hole 2-2 are respectively provided on the left and right sides of the bracket 2, a threaded hole 2-3 is provided at the root of the countersunk hole 2-2, the right aluminum substrate 5 and the left aluminum substrate 6 are respectively arranged in the slot 2-1, the mold spring 3 is installed in the countersunk hole 2-2, and the threaded part 4-3 of the captive screw 4 is threadedly connected in the threaded hole 2-3.

[0041] The slot 2 - 1 is used for limiting the right aluminum substrate 5 and the left aluminum substrate 6 , and the countersunk hole 2 - 2 is used for axial limiting the mold spring 3 .

[0042] Preferably, the cover plate 9 is adapted to the size of the upper end surface of the housing 1 .

[0043] The working principle of this utility model is as follows:

[0044] like Figures 1-3As shown, the utility model discloses a novel airborne power controller structure, including a shell 1, wherein the shell 1 is provided with a bracket 2, a mold spring 3, a captive screw 4, a right aluminum base plate 5, a left aluminum base plate 6, a bottom aluminum base plate 7, a disassembly screw 8, a cover plate 9, and other electronic components 10. The heat dissipation grids on both sides of the shell 1 are provided with assembly holes, and the bottom is provided with an assembly hole 1-1; the bracket 2 is provided with a countersunk hole 2-2, the mold spring 3 is assembled in the countersunk hole 2-2, and the mold spring 3 has a certain compression stroke, and the direction of the elastic force is the inner wall of the shell 1, the right aluminum base plate 5 and the left aluminum base plate 6 are provided with countersunk grooves, and the captive screw 4 is installed in the countersunk grooves. The bracket 2, mold spring 3, and right aluminum base plate 5 (or left aluminum base plate 6) are connected by captive screws 4, with the left and right aluminum base plates 6 and 5 interposed between the bracket 2 and the inner wall of the housing 1. A bottom aluminum base plate 7 is positioned horizontally below the left and right aluminum base plates 6 and 5, and the bottom of the housing 1 is fastened to the bottom aluminum base plate 7 by disassembly screws 8 extending through assembly holes 1-1. A cover plate 9 also has countersunk holes, integrating the bracket 2, mold spring 3, captive screws 4, right aluminum base plate 5, left aluminum base plate 6, bottom aluminum base plate 7, disassembly screws 8, and other electronic components 10 to form an integrated controller module (internal structure). The cover plate 9, bracket 2, and housing 1 are connected by threads. This utility model has a simple structure and is easy to assemble and disassemble. The aluminum base plate has high heat dissipation efficiency and a larger heat dissipation area than a design with stacked components. The captive base plate is embedded internally under the action of a spring, eliminating the problem of loosening or falling of other screws and causing structural failure, thereby greatly improving the stability, reliability, and maintainability of the airborne power controller structure.

[0045] During installation, press the right aluminum substrate 5 and the left aluminum substrate 6, the mold spring 3 is compressed and snapped into the shell 1, the cover plate 9 is pressed up, the bracket 2, the left aluminum substrate 6 and the right aluminum substrate 5 are embedded in the shell 1, and the left aluminum substrate 6 and the right aluminum substrate 5 are tightly attached to the inner wall of the shell 1 by the elastic force of the spring to dissipate heat;

[0046] During disassembly, remove the disassembly screw 8 and screw it in with a long pan head screw. Place the long pan head screw on a horizontal platform and press the shell 1 with your hand. When the pressure is greater than the friction between the right aluminum substrate 5 and the left aluminum substrate 6, the shell 1 is separated from the internal structure.

[0047] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention.

[0048] Many other changes and modifications can be made without departing from the concept and scope of the present invention. It should be understood that the present invention is not limited to specific embodiments, and the scope of the present invention is defined by the appended claims.

Claims

1. A novel airborne power controller structure, characterized by: The invention comprises a shell (1), a bracket (2), a mold spring (3), a captive screw (4), a right aluminum substrate (5), a left aluminum substrate (6), a bottom aluminum substrate (7), a disassembly screw (8), a cover (9) and other electronic components (10), wherein the bottom of the shell (1) is provided with an assembly hole (1-1), the bottom of the inner cavity of the shell (1) is provided with a bottom aluminum substrate (7), the disassembly screw (8) passes through the assembly hole (1-1) to fix the bottom aluminum substrate (7) to the bottom of the shell (1), the bracket (2) is installed in the inner cavity of the shell (1), and the bracket (2) is located above the bottom aluminum substrate (7), the left aluminum substrate (6) is provided between the left side of the bracket (2) and the left inner wall of the shell (1), and the right side of the bracket (2) is provided with a bottom aluminum substrate (7) between the right side of the bracket (2) and the right inner wall of the shell (1). A right aluminum substrate (5) is provided, and a mold spring (3) is further provided between the right aluminum substrate (5) and the left aluminum substrate (6) and the bracket (2). The mold spring (3) and the captive screw (4) are both multiple, and each captive screw (4) passes through the right aluminum substrate (5) / the left aluminum substrate (6) and the mold spring (3) and is fixedly connected to the bracket (2). The elastic force of the mold spring (3) causes the right aluminum substrate (5) and the left aluminum substrate (6) to press the left and right inner walls of the shell (1) respectively. The cover plate (9) is sealed and connected to the open end face of the shell (1). Other electronic components (10) are provided in a space formed by the cover plate (9), the bracket (2) and the bottom aluminum substrate (7), and the other electronic components (10) are fixedly connected to the cover plate (9) or the bottom aluminum substrate (7).

2. The novel airborne power controller structure according to claim 1, characterized in that: The shell (1) is a square structure with one end face open, and the bracket (2) is a square frame structure with two end faces open. The lower end face of the bracket (2) is in close contact with the bottom aluminum substrate (7), and the upper end face of the bracket (2) is in close contact with the cover plate (9). The size of the bracket (2) is smaller than the size of the inner cavity of the shell (1).

3. The novel airborne power controller structure according to claim 1, characterized in that: The bottom of the shell (1) is provided with a plurality of assembly holes (1-1), and a plurality of disassembly screws (8) pass through the plurality of assembly holes (1-1) to fix the bottom aluminum substrate (7) to the bottom of the shell (1); when disassembly is required, the disassembly screws (8) are first removed, and the long pan head screws are screwed into the assembly holes (1-1), and then the shell (1) is pressed downward. When the pressure is greater than the friction force of the right aluminum substrate (5) and the left aluminum substrate (6), the bracket (2) is removed from the inner cavity of the shell (1).

4. The novel airborne power controller structure according to claim 1, characterized in that: A mold spring (3) is provided between the bracket (2) and the right aluminum substrate (5) or the left aluminum substrate (6), and the right aluminum substrate (5) or the left aluminum substrate (6) is respectively provided with a countersunk groove, and a captive screw (4) is installed in the countersunk groove and passes through the right aluminum substrate (5) or the left aluminum substrate (6) and the mold spring (3) to be connected to the bracket (2). When the mold spring (3) is not compressed, the distance between the right aluminum substrate (5) and the left aluminum substrate (6) is greater than the distance between the left and right inner walls of the shell (1).

5. The novel airborne power controller structure according to claim 4, characterized in that: The captive screw (4) is composed of an integrally formed head (4-1), a polished rod portion (4-2) and a threaded portion (4-3); the head (4-1) of the captive screw (4) is limited to the countersunk groove; the polished rod portion (4-2) of the captive screw (4) passes through the right aluminum substrate (5) or the left aluminum substrate (6) and the mold spring (3); and the threaded portion (4-3) of the captive screw (4) is threadedly connected to the bracket (2).

6. The novel airborne power controller structure according to claim 5, characterized in that: The bracket (2) is provided with a slot (2-1) and a countersunk hole (2-2) on the left and right sides, respectively. A threaded hole (2-3) is provided at the root of the countersunk hole (2-2). The right aluminum substrate (5) and the left aluminum substrate (6) are respectively arranged in the slot (2-1). The mold spring (3) is installed in the countersunk hole (2-2). The threaded portion (4-3) of the captive screw (4) is threadedly connected in the threaded hole (2-3).

7. The novel airborne power controller structure according to claim 1, characterized in that: The cover plate (9) is adapted to the size of the upper end surface of the housing (1).