CN105119659A

CN105119659A - Optical amplifier module

Info

Publication number: CN105119659A
Application number: CN201510627196.1A
Authority: CN
Inventors: 杨宇翔; 乐孟辉; 江毅
Original assignee: Accelink Technologies Co Ltd
Current assignee: Accelink Technologies Co Ltd
Priority date: 2015-09-28
Filing date: 2015-09-28
Publication date: 2015-12-02
Anticipated expiration: 2035-09-28
Also published as: CN105119659B

Abstract

The invention relates to an optical amplifier module. The optical amplifier module comprises a box cover (1), a module box (4), a PCBA (printed circuit board assembly) (7), a device seat (6), a locking washer (8), an optical-fiber cover plate (3) and a pan-head screw (1); the device seat (6) is arranged at a groove (43) of the module box (4) and forms a U-shaped space with the inner wall of the module box (4) so as to be used for an optical fiber to pass through, and an optical passive device (5) is arranged in a U-shaped groove (62) of the device seat (6); the PCBA (7) is arranged on the device seat (6), and a notch (71) is formed in a PCB (73). The notch (71) is matched with a projection (61) of the device seat (6) to limit the motion of the device seat. The locking washer (8) is arranged on the PCBA (7), the pan-head screw (11) penetrates through the locking washer (8) to be tightened to the module box (4) so as to fix the PCBA assembly (7) and further to compress the device seat (6); after the optical passive device (5) and the PCBA are assembled, the optical-fiber cover plate (3) is buckled into inverted L blocks (42) on the inner periphery of a cavity of the module box (4).

Description

A kind of light amplifier module

Technical field

The present invention relates to a kind of light amplifier module, particularly a kind of laser that adopts is formed, and the compact amplifier module device having physical dimension to require, this invention belongs to the communications field.

Background technology

Along with bandwidth demand steady-state growth, the development of Fibre Optical Communication Technology, the multiplication of data service, optical-fiber network industry continues to advance.Physical dimension requires more and more miniaturized simultaneously, to meet the demand of the system integration.

The light amplifier module device that the present invention relates to, proposes the organization plan of an image intensifer under little space, solves passive device and places, and fiber reel the problem such as to be upspring around with optical fiber in production process.Because light amplifier module size is enough little, it is integrated to carry out more than one piece easily on client's veneer, achieves the needs of compact conformation and Large Copacity long range propagation.

Summary of the invention

The technical problem to be solved in the present invention is, provides a kind of light amplifier module organization plan, in size narrow space, can put PCBA assembly 7, optical passive component 5 also marks off space for the convoluted path of optical fiber, convenient batch production.

The technical solution adopted in the present invention is:

A kind of light amplifier module, comprises module lid (2), modular cartridge (4), PCBA assembly (7), optical passive component (5), device seat (6), laser (9);

The groove (43) corresponding with device seat (6) is arranged at the bottom in described modular cartridge (4); Described device seat (6) is positioned at modular cartridge (4) cavity, it is positioned on groove (43), device seat (6) is provided with U-lag (62), and optical passive component (5) is placed in the U-lag (62) on the both sides of device seat (6); The outside of device seat (6) and modular cartridge (4) cavity inner wall form a U-shaped space (12), facilitate optical fiber from then on fine through dish; Described device seat (6) there is projection (61); The PCB (73) upper jagged (71) of described PCBA assembly (7), PCBA assembly (7) is positioned on device seat (6); The projection (61) of device seat (6) is placed in breach (71), the male cooperation that this breach is corresponding with device seat, thus is blocked and limit it by device seat and move.

Cavity four perisporium of described modular cartridge (4) there is the block of falling L (42), for limit fibre, prevents optical fiber from ejecting; Surrounding fiber reel towpath footpath is provided with optical fiber baffle plate (41) in modular cartridge (4) cavity to carry out spacing to optical fiber; Heat sink boss (44) is had in modular cartridge (4) cavity; Have the stud 45 for fixing PCBA assembly 7 in modular cartridge (4), and the height dimension of Nut column (45) is greater than the gauge of PCB (73).

Described laser (9) is welded on PCB (73), and the bottom surface of laser (9) contacts with heat sink boss (44); Breach (71), hole (72) are all arranged on PCB (73); Connector (10) is welded on PCB (73).

Also comprise lock washer (8), pan head screw (11); Described lock washer (8) is positioned on PCBA assembly (7), and PCBA assembly is pushed down after being fastened on modular cartridge (4) body through lock washer (8) by described pan head screw (11).

Gap is there is in the inner surface (82) of described lock washer (8) with the upper surface of the Nut column (45) of modular cartridge (4).

Also comprise optical fiber cover plate (3), after completing light path layout and PCBA assembling, described optical fiber cover plate (3) is stuck in the below of the block of falling L (42) of surrounding in described modular cartridge (4) cavity, carries out spacing to optical fiber.

The present invention has the following advantages:

Light amplifier module box of the present invention, is made up of lid, modular cartridge, PCBA assembly, device seat, PCBA locking nut and optical fiber cover plate.Device seat being placed on this structure under PCBA assembly can be " partition " the enough large placement optical passive component that does of the space of (namely U-lag), and device seat by PCBA assembly and modular cartridge institute spacing, and define the fine space of fiber reel with modular cartridge inwall.Inverted L-shaped block on modular cartridge and optical fiber baffle plate limit optical fiber, prevent optical fiber from ejecting in process of production.Light amplifier module box compact size, can manufacture and large-scale integrated.

Accompanying drawing explanation

Fig. 1 is the structural representation of light amplifier module of the present invention;

Fig. 2 is modular cartridge 4 structural representation;

Fig. 3 is PCBA assembly 7 structural representation;

Fig. 4 is device seat 6 structural representation;

Fig. 5 is lock washer structural representation;

Fig. 6 is the U-shaped space schematic diagram that device seat 6 is formed with modular cartridge;

Fig. 7 is the schematic diagram that device seat 6 is combined with PCBA assembly 7;

Wherein:

1: sunk screw 2: lid

3: optical fiber cover plate 4: modular cartridge

5: optical passive component 6: device seat

7:PCBA assembly 8: lock washer

9: laser 10: connector

11: pan head screw

12:U shape space

41: optical fiber baffle plate 42: the block of falling L

43: groove 44: heat sink boss

45: Nut column 61: protruding

62:U shape groove 71: breach

72: hole 73:PCB

81: endoporus 82: inner surface.

Embodiment

Provide specific embodiment below in conjunction with accompanying drawing, further illustrate a kind of light amplifier module structure of the present invention and how to realize.

As shown in Figure 1, the present invention includes lid 2, modular cartridge 4, PCBA assembly 7, device seat 6, lock washer 8 and cover fine sheet 3.Device seat 6 is placed in modular cartridge 4, and PCBA assembly 7 is placed in above device seat, and PCBA assembly is fixed on modular cartridge 4 through lock washer 8 by pan head screw 11.Optical passive component 5 is positioned in the U-lag 62 of device seat 6.Optical fiber cover plate 3 is placed in modular cartridge 4 cavity, is stuck in below the interior block of falling L 42 of modular cartridge 4 cavity.

As shown in Figure 2, after having the laser 9 on heat conduction boss 44, PCBA assembly 7 to weld in modular cartridge 4, heat sink on laser contacts with heat conduction boss 44, is convenient to heat and sheds.The stud 45 for fixing PCBA assembly 7 is had in modular cartridge 4.Place corresponding with device seat 6 on modular cartridge 4 digs fluted 43, to put into device seat 6.The block of falling L 42 and optical fiber baffle plate 41 is had in modular cartridge 4 cavity.The U-shaped that modular cartridge 4 inwall forms optical fiber together with U-lag 62 outer wall of device seat 6 walks fine passage, and optical fiber, is pushed down by the block of falling L through optical-fibre channel when coiling fine, can not outside pop-up module box 4, while optical fiber spacing by optical fiber baffle plate 41, convenient for production.

As shown in Figure 4, there is U-lag 62 on the both sides of device seat 6, and this example forms with thin corrosion resistant plate bending.Between two U-lags 62 that device seat 6 put into by PCBA assembly 7 and after being fixed on the Nut column 45 of modular cartridge 4 correspondence, device seat 6 is compressed by PCBA assembly 7 and modular cartridge 4 inwall in the vertical direction.As shown in Figure 7, device seat 6 has when protruding 61, PCBA has corresponding breach 71, PCBA assembly 7 to put into, the projection 61 on device seat 6 is placed among the breach 71 of PCBA, thus limits device seat 6 movement in all directions.

As shown in Figure 3, the PCB73 of PCBA assembly 7 has the hole 72 one to one, Nut column 45 position with modular cartridge 4, hole 72 diameter is larger than Nut column 45 diameter.The height dimension of Nut column 45 is larger than the gauge of PCB (73), to ensure that sunk screw 1 is screwed in after on modular cartridge 4, has enough intensity un-slipped.The hole 72 of PCBA is placed on after in modular cartridge 4 cavity through Nut column 45, and pan head screw 11 is fixed in Nut column 45 through lock washer 8.

As shown in Figure 5, the endoporus 81 of lock washer 8 is identical with hole 72 diameter of PCB, can be enclosed within the Nut column 45 on modular cartridge 4, the upper surface of Nut column 45 and the inner surface of lock washer 8 also have gap, when such pan head screw 11 is fixed on Nut column 45, lock washer 8 is pushed down, and then compresses PCBA assembly 7.

The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, scope of the present invention should be as the criterion with claims.

Claims

1. a light amplifier module, is characterized in that: comprise module lid (2), modular cartridge (4), PCBA assembly (7), optical passive component (5), device seat (6), laser (9);

The groove (43) corresponding with device seat (6) is arranged at the bottom in described modular cartridge (4); Described device seat (6) is positioned at modular cartridge (4) cavity, it is positioned on groove (43), device seat (6) is provided with U-lag (62), and optical passive component (5) is placed in the U-lag (62) of device seat (6); The outside of device seat (6) and modular cartridge (4) cavity inner wall form a U-shaped space (12); Described device seat (6) there is projection (61); The PCB (73) upper jagged (71) of described PCBA assembly (7), PCBA assembly (7) is positioned on device seat (6); The projection (61) of device seat (6) is placed in breach (71).

2. a kind of light amplifier module according to claim 1, is characterized in that: cavity four perisporium of described modular cartridge (4) has the block of falling L (42); Optical fiber baffle plate (41) is provided with in modular cartridge (4) cavity; Heat sink boss (44) is had in modular cartridge (4) cavity; Have the stud 45 for fixing PCBA assembly (7) in modular cartridge (4), and the height dimension of Nut column (45) is greater than the gauge of PCB (73).

3. a kind of light amplifier module according to claim 2, is characterized in that: described laser (9) is welded on PCB (73), and the bottom surface of laser (9) contacts with heat sink boss (44); Breach (71), hole (72) are all arranged on PCB (73); Connector (10) is welded on PCB (73).

4. a kind of light amplifier module according to claim 3, is characterized in that: also comprise lock washer (8), pan head screw (11); Described lock washer (8) is positioned on PCBA assembly (7), and described pan head screw (11) is fastened on modular cartridge (4) body through lock washer (8).

5. a kind of light amplifier module according to claim 4, is characterized in that: the inner surface (82) of described lock washer (8) exists gap with the upper surface of the Nut column (45) of modular cartridge (4).

6. a kind of light amplifier module according to claim 5, is characterized in that: also comprise fiber cover

Sheet (3), described optical fiber cover plate (3) is placed in the below of the block of falling L (42) in described modular cartridge (4) cavity.