CN220289915U - Pin-grid plug miniaturized optical device - Google Patents
Pin-grid plug miniaturized optical device Download PDFInfo
- Publication number
- CN220289915U CN220289915U CN202321773672.7U CN202321773672U CN220289915U CN 220289915 U CN220289915 U CN 220289915U CN 202321773672 U CN202321773672 U CN 202321773672U CN 220289915 U CN220289915 U CN 220289915U
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- optical device
- shell
- lower shell
- pin
- upper shell
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- 230000003287 optical effect Effects 0.000 title claims abstract description 69
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000005245 sintering Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a pin-array pluggable miniaturized optical device, which comprises an optical device module, wherein one end of the optical device module is correspondingly provided with a shell, and the shell comprises a sheet metal upper shell and a lower shell combined piece which are matched for use; the lower shell assembly is provided with a light device module seat, and the upper shell of the sheet metal is provided with an upper shell pressing seat corresponding to the light device module seat; the optical device module comprises an optical device main body with a jumper, and the end part of the optical device main body with the jumper is connected with a PCB soft board; the lower shell assembly is provided with a pin module corresponding to the PCB soft board; the lower shell closing piece is also provided with a lower shell inverted buckle plate, and the metal plate upper shell is also provided with an upper shell buckling plate matched with the lower shell inverted buckle plate; the lower shell inverted buckle plate and the upper shell buckling plate form a rapid shell buckling structure.
Description
Technical Field
The utility model relates to the technical field of communication equipment such as aerospace measurement and control transmission systems, in particular to a pin header type pluggable miniaturized optical device.
Background
With the rapid development of optical communication, not only the transmission rate is faster and faster, but also the transmission quality requirement is higher and higher. As a main constituent element in an optical fiber network, the development of optical devices is relevant to the status of the entire optical communication industry. The optical fiber communication has the advantages of large transmission capacity, strong anti-interference capability, small volume and the like, but in some special occasions, such as aerospace, more optical devices are required to be arranged in smaller space, and smaller custom-made optical devices are required to replace standard optical modules.
The miniaturized optical device generally has the characteristics of small internal space, compact structure, complex parts and the like.
However, the miniaturized optical device used at present has the problems to be solved:
1) The assembly is complex, the efficiency is low, and the maintenance is difficult;
2) The space utilization rate is low, the PCB is difficult to distribute, the pin arrangement space is difficult to position, and the performance of the optical module is limited;
3) The overall structure layout is unreasonable, so that the product has poor reliability such as shock resistance, vibration resistance and the like under extreme environments.
Therefore, it is necessary to provide a pin-array type pluggable miniaturized optical device to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a pin header type plug-in miniaturized optical device.
The technical proposal is as follows:
a pin header type pluggable miniaturized optical device comprises an optical device module, wherein one end of the optical device module is correspondingly provided with a shell, and the shell comprises a sheet metal upper shell and a lower shell combined piece which are matched for use;
the lower shell assembly is provided with a light device module seat, and the upper shell of the sheet metal is provided with an upper shell pressing seat corresponding to the light device module seat; the optical device module comprises an optical device main body with a jumper, and the end part of the optical device main body with the jumper is connected with a PCB soft board; the lower shell assembly is provided with a pin module corresponding to the PCB soft board;
the lower shell closing piece is also provided with a lower shell inverted buckle plate, and the metal plate upper shell is also provided with an upper shell buckling plate matched with the lower shell inverted buckle plate; the lower shell inverted buckle plate and the upper shell buckling plate form a rapid shell buckling structure.
Further, a double locking structure is formed by arranging a fixing piece on the lower shell assembly and the metal plate upper shell.
Further, the pin module comprises a plurality of pins which are fixedly connected to the lower shell assembly through sintering, so that a pin shell integrated structure is formed.
Further, the fixing member is constituted by a screw.
Further, the optical device module seat is used as an optical device module carrier, and the high-stability optical device pressing structure is formed through the upper shell pressing seat.
Further, the pins are matched with the PCB soft boards of different optical device main bodies through different arrangements, so that a structure suitable for the selective pins is formed.
Further, the lower end of the lower shell assembly is provided with a positioning welding needle.
Compared with the prior art, the utility model has the beneficial effects that:
1) The structure layout is reasonable, the reliability is high, and the whole layout adopts a fixing mode of combining a metal plate elastic back-buckle and a screw, and double locking is realized;
2) The assembly is simple, the device, the pressing block, the upper shell and the lower shell are completely locked by one screw, the assembly efficiency is high, and the device, the pressing block, the upper shell and the lower shell can be disassembled and repaired when a problem exists;
3) The traditional pin array is not used any more, the pins and the shell are directly integrated through integrated sintering, so that the positioning and fixing procedures of installing the pin array are reduced, the exposed length of the pins is reduced, the impedance matching of the optical device is easy, the integrity of the optical device is improved, the installation reliability is improved, and the pin arrangement is diversified and the photoelectric performance of the device is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded head view of the present utility model.
Fig. 3 is a schematic view of the lower housing assembly of the utility model.
Detailed Description
Examples:
referring to fig. 1-3, the present embodiment shows a pin header type pluggable miniaturized optical device, which includes an optical device module 100, wherein one end of the optical device module 100 is correspondingly provided with a housing 200, and the housing 200 includes a sheet metal upper shell 1 and a lower shell assembly 2 that are used in a matching manner;
the lower shell assembly 2 is provided with an optical device module seat 21 and a lower shell inverted buckle plate 22;
an upper shell pressing seat 11 and an upper shell buckling plate 12 matched with a lower shell back-off plate 22 for use are arranged on the sheet metal upper shell 1 corresponding to the optical device module seat 21;
the lower shell back-off plate 22 and the upper shell buckling plate 12 form a quick shell buckling structure, and a double locking structure is formed by arranging a fixing piece 3 on the lower shell assembly and the sheet metal upper shell;
the fixing piece 3 is formed by a screw;
the optical device module seat 21 is used as a supporting body of the optical device module 100, and forms a high-stability optical device pressing structure through the upper shell pressing seat 11;
the optical device module 100 comprises an optical device main body 4 with a jumper, and the end part of the optical device main body 4 with the jumper is connected with a PCB soft board 5;
the lower shell assembly 2 is provided with a pin module 6 corresponding to the PCB soft board 5;
the pin module 6 comprises a plurality of pins 61 which are fixedly connected to the lower shell assembly 2 through sintering to form a pin shell integrated structure;
the pins are matched with the PCB soft boards of different optical device main bodies through different arrangements to form a pin structure suitable for selection;
the lower end of the lower shell assembly 2 is provided with a positioning welding needle 7.
The assembly flow of this embodiment is:
1) The PCB 5 is welded with the optical device module 100 and the lower shell assembly 2 respectively, and the optical device module 100 is required to be clamped in the optical device module seat 21 in the step;
2) The upper shell pressing seat 11 is pressed and held at the neck of the optical device module 100;
3) The sheet metal upper shell 1 is assembled to the lower shell back-off plate 22 and the upper shell buckling plate 12, and double locking is carried out through screws.
Wherein:
the corresponding region of the optical device module 100 in the lower housing assembly 2 can be designed according TO the type and size of the optical device module 100 TO maximize the utilization space, reduce the optical device size, and improve the heat dissipation of the laser, and if a TO38/TO33 laser is used, the length, width and height can be 15×10×6mm.
The pin part adopts a glass sintering process, the arrangement, the number, the size and the interval of the pins can be flexibly designed according to the requirements of a module circuit board, the pin part is not limited by standard pin arrangement in the market, and the pin part is suitable for various special module requirements; for example: the pin arrangement can adopt 2 x 10, 2*8 and 3*3; the pins can be selected from phi 0.45mm, phi 0.35mm and phi 0.25mm.
The flexible PCB can be adopted as the PCB flexible board 5, and various optical device modules 100 with single fiber and double fiber are matched, the pin direction of the optical device module 100 can be designed according to requirements, the device performance is improved, and the space is saved.
Compared with the prior art, the beneficial effects of the embodiment are as follows:
1) The structure layout is reasonable, the reliability is high, and the whole layout adopts a fixing mode of combining a metal plate elastic back-buckle and a screw, and double locking is realized;
2) The assembly is simple, the device, the pressing block, the upper shell and the lower shell are completely locked by one screw, the assembly efficiency is high, and the device, the pressing block, the upper shell and the lower shell can be disassembled and repaired when a problem exists;
3) The traditional pin array is not used any more, the pins and the shell are directly integrated through integrated sintering, so that the positioning and fixing procedures of installing the pin array are reduced, the exposed length of the pins is reduced, the impedance matching of the optical device is easy, the integrity of the optical device is improved, the installation reliability and the stitch arrangement diversity are improved, and the photoelectric performance of the device is improved.
The foregoing are some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (7)
1. A pin header type pluggable miniaturized optical device is characterized in that: the light device module is characterized by comprising a light device module, wherein one end of the light device module is correspondingly provided with a shell, and the shell comprises a sheet metal upper shell and a sheet metal lower shell combined piece which are matched for use;
the lower shell assembly is provided with a light device module seat, and the upper shell of the sheet metal is provided with an upper shell pressing seat corresponding to the light device module seat; the optical device module comprises an optical device main body with a jumper, and the end part of the optical device main body with the jumper is connected with a PCB soft board; the lower shell assembly is provided with a pin module corresponding to the PCB soft board;
the lower shell closing piece is also provided with a lower shell inverted buckle plate, and the metal plate upper shell is also provided with an upper shell buckling plate matched with the lower shell inverted buckle plate; the lower shell inverted buckle plate and the upper shell buckling plate form a rapid shell buckling structure.
2. The pin header type miniaturized optical device according to claim 1, wherein: the fixing piece is arranged on the lower shell assembly and the sheet metal upper shell, so that a double locking structure is formed.
3. The pin header type miniaturized optical device according to claim 1, wherein: the pin module comprises a plurality of pins which are fixedly connected to the lower shell assembly through sintering, so as to form a pin shell integrated structure.
4. The pin header type miniaturized optical device according to claim 2, wherein: the fixing member is formed by a screw.
5. The pin header type miniaturized optical device according to claim 1, wherein: the optical device module seat is used as an optical device module carrier, and a high-stability optical device pressing structure is formed through the upper shell pressing seat.
6. A pin header type miniaturized optical device according to claim 3, wherein: and the pins are matched with the PCB soft boards of different optical device main bodies through different arrangements to form a suitable selective pin structure.
7. The pin header type miniaturized optical device according to claim 1, wherein: the lower end of the lower shell assembly is provided with a positioning welding needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773672.7U CN220289915U (en) | 2023-07-07 | 2023-07-07 | Pin-grid plug miniaturized optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773672.7U CN220289915U (en) | 2023-07-07 | 2023-07-07 | Pin-grid plug miniaturized optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289915U true CN220289915U (en) | 2024-01-02 |
Family
ID=89338041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321773672.7U Active CN220289915U (en) | 2023-07-07 | 2023-07-07 | Pin-grid plug miniaturized optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289915U (en) |
-
2023
- 2023-07-07 CN CN202321773672.7U patent/CN220289915U/en active Active
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