CN221447553U - Aviation electronic case with detachable socket front-mounted and flexible motherboard - Google Patents
Aviation electronic case with detachable socket front-mounted and flexible motherboard Download PDFInfo
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- CN221447553U CN221447553U CN202322921583.9U CN202322921583U CN221447553U CN 221447553 U CN221447553 U CN 221447553U CN 202322921583 U CN202322921583 U CN 202322921583U CN 221447553 U CN221447553 U CN 221447553U
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- motherboard
- detachable
- flexible
- chassis
- socket
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- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 2
- 238000005493 welding type Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000001788 irregular Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model provides an avionics chassis with a front-mounted socket and a detachable flexible motherboard, and relates to the technical field of chassis structures. The box body comprises a body, wherein a top cover plate is arranged on the top cover of the box body, and a bottom plate is arranged at the bottom of the box body; the front panel of the case includes: a plurality of front-mounted sockets penetrating the front panel; a detachable flexible motherboard disposed inside the front panel; each front mounting socket is a printed board welding type socket and is welded and connected with the detachable flexible motherboard; a motherboard component is arranged above the bottom plate in the case body; the motherboard component is in communication connection with the detachable flexible motherboard. The utility model adopts the detachable structure form of the front-mounted socket and the flexible motherboard, reduces the wire harness and improves the maintainability.
Description
Technical Field
The utility model relates to the technical field of chassis structures, in particular to an avionics chassis with a detachable socket front-mounted and flexible motherboard.
Background
The space in the aircraft pylon is compact, the cross section size of the internally installed avionics chassis is smaller than that of a 1/2ATR standard chassis, and the height and the width are only 123mm and 80mm; 3 circular connector sockets are required to be installed on the front panel, wherein 2 of the circular connector sockets are 25-number shells (the socket square disc is 46mm multiplied by 46mm in size), 1 of the circular connector sockets are 13-number shells (the socket square disc is 28.6mm multiplied by 28.6mm in size), in addition, conductive sealing rubber ropes with phi of 2.03mm are required to be arranged in a waterproof sealing mode, and at least 4mm of space is reserved locally around the circular connector sockets; in order to maximize the panel size of the internal functional module and improve the maintainability through plugging and unplugging, a space with an upper cover plate (thickness 5 mm) and a main bearing bottom cover plate (thickness 5 mm) which are not loosened is reserved on the height 123mm, and the residual space size in the height direction is 105mm (123-5-5-4-4), so that 3 sockets on the front panel cannot be accommodated in parallel (at least 46+46+28.6=110.6 mm is needed). In the case of the staggered arrangement, however, the conventional structure cannot solve the problem because the width direction 80mm is smaller than 80.6mm (46+28.6+4+4).
Disclosure of utility model
In order to solve the problems of small size of a panel, relatively more connector sockets on the panel and RIU small chassis structure requiring wireless beam communication of a flexible motherboard in the background technology, a detachable structure scheme of a front-mounted and flexible motherboard of the socket is provided under the premise of considering waterproof sealing. The utility model provides an avionics chassis with a detachable socket front assembly and a detachable flexible motherboard, which adopts the detachable structure form of the socket front assembly and the flexible motherboard, the socket front assembly can reduce the requirement on the cross section size of products, and the socket front assembly, the printed board type circular connector socket and the detachable front panel structure can realize communication through motherboard printed boards, thereby reducing wire harnesses and improving maintainability.
An avionics case with a detachable flexible motherboard and a front socket is provided, which comprises a case body of a body, wherein a top cover of the case body is provided with a top cover plate, and the bottom of the case body is provided with a bottom plate; the front panel of the case includes:
A plurality of front-mounted sockets penetrating through the front panel;
A detachable flexible motherboard disposed inside the front panel; each front mounting socket is a printed board welding type socket and is welded and connected with the detachable flexible motherboard;
a motherboard component is arranged above the bottom plate in the case body of the case;
The motherboard component is in communication connection with the detachable flexible motherboard.
Further, a plurality of functional modules are arranged in the box body;
Two relatively vertical plate bodies are arranged in the box body, and a plurality of corresponding guide rail grooves are formed in the opposite surfaces of the two plate bodies;
Each corresponding guide rail groove is inserted with the functional module;
each of the functional modules is communicatively coupled to the motherboard component.
Further, each of the front-loading receptacles is a circular connector receptacle having a rear cylinder diameter located inside the front panel smaller than a diameter of a front cylinder located outside the front panel.
Further, a plurality of cushion posts for positioning the detachable flexible motherboard are further arranged on the inner side of the front panel, through holes corresponding to the cushion posts are formed in the detachable flexible motherboard, and the detachable flexible motherboard is fixed to the cushion posts by penetrating through the through holes through screws.
Further, the detachable flexible motherboard and the motherboard component are in communication connection through the flexible printed board.
Further, an annular waterproof sealing groove b is arranged at the joint of the box body and the bottom plate.
Further, an annular waterproof sealing groove a is arranged at the joint of the box body and the front panel.
Further, reinforcing ribs are further arranged on the side plates of the box body.
Further, the box body is a frame type box body.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides an avionics case with a detachable socket front-mounted and flexible motherboard, which uses an integral main bearing case body, ensures the strength of the case body, reduces splicing, and reduces the space size loss caused by waterproof sealing after splicing; the front assembly of the socket can reduce the requirement on the cross section size of a product, and the front assembly of the socket, the printed board type circular connector socket and the detachable front panel structure can realize communication through a motherboard printed board, so that the use of wire harnesses is reduced, and the maintainability is improved; the detachable flexible motherboard is more flexible in arrangement of two rigid motherboard printed board devices and the flexible area relative to the integrated flexible motherboard.
Drawings
FIG. 1 is an exploded view I of a chassis assembly;
FIG. 2 is an exploded view II of the chassis assembly;
FIG. 3 is an exploded view III of the chassis assembly;
FIG. 4 is a top view of the chassis assembly (with top cover plate, functional module A and functional module B removed);
FIG. 5 is a view I of the housing;
FIG. 6 is a view II of the housing;
FIG. 7 is a front panel;
FIG. 8 is a schematic view of a circular connector receptacle;
FIG. 9 is a functional module B;
figure 10 is a schematic view of the position of a detachable flexible motherboard relative to a motherboard component.
The portable electronic device comprises a 1-top cover plate, a 2-functional module A, a 3-functional module B, a 4-chassis box body, a 5-front panel, a 6-front socket a, a 7-front socket B, an 8-front socket C, a 9-bottom plate, a 10-motherboard component, an 11-steel sleeve, a 12-detachable flexible motherboard, a 13-micro-distance plug, a 14-micro-distance socket, a 15-functional module C, a 16-guide rail groove, a 17-waterproof sealing groove a, an 18-irregular annular side wall, 19-reinforcing ribs, 20-threaded holes, a 21-waterproof sealing groove B, a 22-pad column, a 23-rear column, a 24-front column, a 25-rectangular socket, a 26-plug, a 27-wedge locking device, a 28-rigid printed board a, a 29-flexible printed board B, a 30-rigid printed board B and 31-motherboard.
Detailed Description
Several embodiments of the present utility model will be described in detail below, but it should be understood that the scope of the present utility model is not limited by the embodiments.
Examples
An avionics chassis with a detachable socket front-mounted and flexible motherboard is shown in figures 1-10, and comprises a body case 4, wherein the top cover of the case 4 is provided with a top cover plate 1, and the bottom of the case is provided with a bottom plate 9; the front panel 5 of the case 4 includes a plurality of front-mounted sockets and a detachable flexible motherboard 12: the front mounting sockets penetrate through the front panel 5; a detachable flexible motherboard 12 provided inside the front panel 5; each front mounting socket is a printed board welding type socket and is welded and connected with the detachable flexible motherboard 12; a motherboard component 10 is also arranged above the bottom plate 9 in the case body; the motherboard component 10 is in communication with a detachable flexible motherboard 12. Wherein the box body 4 is a frame type box body.
Therefore, the detachable structure of the front socket assembly and the flexible motherboard is adopted, the front socket assembly, the detachable front panel and the printed board type circular connector socket structure are adopted, the cross section size requirement on a product can be reduced due to the front socket assembly, the printed board type circular connector socket and the detachable front panel structure can realize communication through the motherboard printed board, and the wiring harness is reduced and the maintainability is improved; the integral main bearing chassis box body is used, so that the strength of the chassis box body is ensured, meanwhile, the splicing can be reduced, and the space size loss caused by waterproof sealing after the splicing is reduced; the detachable flexible motherboard is more flexible in arrangement of two rigid motherboard printed board devices and the flexible area relative to the integrated flexible motherboard. Note that, the motherboard component adopted in this embodiment is a printed board.
In this embodiment, referring to fig. 1 to 3, the plurality of front-mounted sockets provided on the front panel 5 include a front-mounted socket a6, a front-mounted socket b7, and a front-mounted socket c8, where the front-mounted socket a6, the front-mounted socket b7, and the front-mounted socket c8 are printed board welded sockets, and can be welded with the detachable flexible motherboard 12, and the pad posts 22 on the front panel 5 can ensure the position of the detachable flexible motherboard 12 relative to the front panel 5. The contour of the detachable flexible motherboard 12 is smaller than the contour of the irregular annular side wall 18 on the chassis box 4, so that the detachable maintenance of the front panel component can be ensured. The motherboard component 10 is fastened by screws and threaded holes 20 in the chassis box 4.
Wherein, a plurality of functional modules are also arranged in the box body 4; two relatively vertical plate bodies are arranged in the box body 4, and a plurality of corresponding guide rail grooves 16 are arranged on the opposite surfaces of the two plate bodies; each corresponding guide rail groove 16 is inserted with a functional module; each of the functional modules is in communication with the motherboard assembly 10.
In this embodiment, the plurality of functional modules include a functional module A2 and a functional module B3, in order to implement communication connection between each functional module and the motherboard component 10, rectangular plugs are mounted on the functional module A2 and the functional module B3, rectangular sockets 25 are disposed at corresponding positions on the motherboard component 10, and communication connection is implemented after the rectangular plugs are mounted on the functional module A2 and the functional module B3 and the rectangular sockets 25 on the motherboard component 10 are inserted. In addition, the functional module A2 and the functional module B3 are locked in the rail groove 16 by means of wedge-shaped locking means 27 fitted on the modules.
In order to realize communication connection between the detachable flexible motherboard 12 and the motherboard component 10, the detachable flexible motherboard 12 and the motherboard component 10 are in communication connection through a flexible printed board. One end of the flexible printed board is connected with the detachable flexible motherboard 12, the other end is provided with a micro-distance plug 13, a micro-distance socket 14 is arranged at a corresponding position of the motherboard component 10, and communication connection is realized after the micro-distance plug 13 and the micro-distance socket 14 are inserted.
The motherboard component 10 is provided with a macro socket 14, and the macro plug 13 and the macro socket 14 on the front panel component are plugged to realize communication. In summary, wireless beam connection communication between the three front-mounted sockets 6, 7, 8 on the front panel member and the functional modules A2, B3 can be achieved.
Each front-loading socket is provided with a circular connector socket, and the diameter of the rear cylinder 23 positioned on the inner side of the front panel 5 is smaller than that of the front cylinder 24 positioned on the outer side of the front panel 5. Therefore, compared with the rear socket, the front socket occupies small space in the case, and the requirement on the cross section size of the product is reduced.
In the embodiment, the detachable flexible motherboard 12 is composed of a rigid printed board a28, a flexible printed board 29 and a rigid printed board b30, wherein the rigid printed board b30 is required to be provided with a height difference corresponding to the insertion height of the micro-pitch plug 13 and the micro-pitch socket 14 relative to the motherboard printed board 31 on the motherboard component 10. The height difference can increase the turning radius of the flexible printed board 29, and compared with a conventional integrated flexible printed board, the height difference can increase the area of the rigid printed board a28, and the device arrangement is more flexible. The flexible area is more flexible in arrangement length, the rigid printed board b30 is more flexible in position relative to the motherboard component 10, and compared with the integral flexible printed board, the internal wiring of the integrated flexible printed board can avoid the component concentration area on the motherboard component 10.
The detachable flexible motherboard 12 is provided with through holes corresponding to the plurality of cushion posts 22 by arranging the plurality of cushion posts 22 for positioning the detachable flexible motherboard 12 on the inner side of the front panel 5, and the detachable flexible motherboard 12 is fixed on the cushion posts 22 by passing screws through the through holes. The spacer posts 22 on the front panel 5 ensure the position of the detachable flexible motherboard 12 relative to the front panel 5.
In this embodiment, the contour of the detachable flexible motherboard 12 is smaller than the contour of the irregular annular sidewall 18 on the chassis box 4, so that the detachable maintenance of the front panel component can be ensured.
An annular waterproof sealing groove b21 is arranged on the box body 4 at the joint with the bottom plate 9. An annular waterproof sealing groove a17 is arranged on the box body 4 at the joint with the front panel 5. The tightness of the box body is realized, and the waterproof safety is ensured. Meanwhile, waterproof safety after being connected and fastened with the bottom plate 9 through screws is guaranteed.
In the embodiment, the bottom plate 9 is riveted with a steel sleeve 11, and the bottom plate 9 is connected and fixed with the case body 4 through screws. The whole product is fixed with the airplane by screws through holes in the steel sleeve 11. In order to reduce the weight of the product, the main structural components in the avionics chassis, such as the top cover plate 1, the chassis box body 4 and the bottom plate 9, are made of soft aluminum alloy, and the steel sleeve 11 is used under the vibration excitation load of the aircraft, so that the screw heads are prevented from directly contacting the bottom plate 9 to generate indentation so as to influence the appearance of the product.
By further providing reinforcing ribs on the side plates of the case 4. Namely, the main bearing positions on the left side wall and the right side wall of the case body 4 are provided with reinforcing ribs 19, so that the overall rigidity and strength of the case body are improved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. An avionics case with a detachable socket front-mounted and flexible motherboard comprises a case body (4) of a body, and is characterized in that a top cover of the case body (4) is provided with a top cover plate (1), and the bottom of the case body is provided with a bottom plate (9); the front panel (5) of the case (4) includes:
a plurality of front-mounted sockets penetrating through the front panel (5);
A detachable flexible motherboard (12) provided inside the front panel (5); each front mounting socket is a printed board welding socket and is connected with the detachable flexible motherboard (12) in a welding way;
A motherboard component (10) is also arranged above the bottom plate (9) in the case body;
-a communication connection between said motherboard component (10) and said detachable flexible motherboard (12).
2. The avionics chassis with detachable socket front-mounted and flexible motherboard according to claim 1, characterized in that a plurality of functional modules are also arranged in the chassis (4);
two relatively vertical plate bodies are arranged in the box body (4), and a plurality of corresponding guide rail grooves (16) are formed in the opposite surfaces of the two plate bodies;
Each corresponding guide rail groove (16) is inserted with the functional module;
each of the functional modules is in communication with the motherboard component (10).
3. The jack-front, flexible motherboard detachable avionics chassis of claim 1, wherein each of the front-mounted jacks is a circular connector jack having a rear cylinder (23) located inside the front panel (5) with a smaller diameter than a front cylinder (24) located outside the front panel (5).
4. The avionics chassis with detachable front-mounted and flexible motherboard according to claim 1, wherein the inner side of the front panel (5) is further provided with a plurality of pad posts (22) for positioning the detachable flexible motherboard (12), the detachable flexible motherboard (12) is provided with through holes corresponding to the plurality of pad posts (22), and the detachable flexible motherboard (12) is fixed on the pad posts (22) by passing screws through the through holes.
5. The front-end, flexible motherboard detachable avionics chassis of claim 1, wherein the detachable flexible motherboard (12) is communicatively connected to the motherboard component (10) via a flexible printed board.
6. The avionics chassis with detachable socket front-mounted and flexible motherboard according to claim 1, characterized in that an annular waterproof seal groove b (21) is arranged on the chassis (4) at the connection with the bottom plate (9).
7. The avionics chassis with detachable socket front-mounted and flexible motherboard according to claim 1, characterized in that an annular waterproof seal groove a (17) is arranged on the chassis (4) at the connection with the front panel (5).
8. The avionics chassis with detachable socket front-mounted and flexible motherboard according to claim 1, wherein the side plates of the chassis body (4) are further provided with reinforcing ribs.
9. The avionics chassis of claim 1, wherein the chassis (4) is a frame-type chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322921583.9U CN221447553U (en) | 2023-10-30 | 2023-10-30 | Aviation electronic case with detachable socket front-mounted and flexible motherboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322921583.9U CN221447553U (en) | 2023-10-30 | 2023-10-30 | Aviation electronic case with detachable socket front-mounted and flexible motherboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221447553U true CN221447553U (en) | 2024-07-30 |
Family
ID=92058116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322921583.9U Active CN221447553U (en) | 2023-10-30 | 2023-10-30 | Aviation electronic case with detachable socket front-mounted and flexible motherboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221447553U (en) |
-
2023
- 2023-10-30 CN CN202322921583.9U patent/CN221447553U/en active Active
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