CN212321916U - Optical module capable of directly outputting optical fiber - Google Patents

Abstract

The utility model discloses an optical module capable of directly outputting optical fibers, which comprises a chip component, an optical fiber array, an optical fiber output switching block, optical fibers, an optical fiber connector and a shell, wherein the chip component, the optical fiber array and the optical fiber output switching block are arranged in the shell; the tail end of the optical fiber array is directly connected with the optical fiber, a light outlet of the chip component is coupled with the front end of the optical fiber array, the optical fiber array transfers light emitted by the chip component from the front end to the optical fiber connected with the tail end, and the optical fiber array is connected and arranged at the tail end of the chip component; the optical fiber is directly connected with the optical fiber connector outside the shell after passing through the optical fiber output switching block. The utility model discloses a this kind of optical module that directly goes out fibre not only makes the optical module can satisfy the use scene of multichannel and can also satisfy the demand scene of low loss simultaneously.

Description

Optical module capable of directly outputting optical fiber

Technical Field

The utility model belongs to the photoelectric communication field, more specifically relates to a directly go out optical module of fine.

Background

Currently, in the field of optical communications, an optical module is a core module of an optical communications network, and with increasing demands for transmission bandwidth and transmission rate, the design of the optical module is developed towards the trend of small volume, high integration and multiple channels.

As shown in fig. 1, most of the currently used optical modules mostly have only a few positions of optical fiber connector bayonets, the optical fiber connector bayonets are connected to optical fiber plugs, and the optical fiber plugs are connected to the optical modules having the positions of the optical fiber connector bayonets.

As shown in fig. 2 and 3, the optical module packaging at present requires connection of optical fiber jumpers, the optical fiber jumpers refer to that optical fiber plugs are installed at two ends of an optical cable to realize optical path movable connection, but the number of the optical fiber plugs is positively correlated with the insertion loss of optical fibers, the more the number of the optical fiber plugs, the more the loss of optical power, and the more the current optical module packaging form is, the less the requirement scenario of low loss is difficult to satisfy.

Disclosure of Invention

To the above defect of prior art or improve the demand, the utility model provides a directly go out fine optical module, its aim at not only makes the use scene that the optical module can satisfy the multichannel can also satisfy the demand scene of low-loss simultaneously.

The utility model provides a passive optical device packaging structure subassembly, include: chip subassembly, fiber array, play fine switching piece, optic fibre, fiber splice and casing, wherein:

the chip assembly, the optical fiber array and the fiber outlet switching block are arranged in the shell;

the tail end of the optical fiber array is directly connected with the optical fiber, a light outlet of the chip component is coupled with the front end of the optical fiber array, the optical fiber array transfers light emitted by the chip component from the front end to the optical fiber connected with the tail end, and the optical fiber array is connected and arranged at the tail end of the chip component;

the optical fiber is directly connected with the optical fiber connector outside the shell through the fiber outlet switching block.

As a further improvement and supplement to the above solution, the present invention further comprises the following additional technical features.

Preferably, go out fine switching piece including fixed slotted hole, ladder platform, go out fine hole and cover plate, wherein: the fixed slot hole is fixedly coupled with the inside of the shell, the optical fiber penetrates through the fiber outlet hole to be connected with an external optical fiber connector, the stepped platform is matched with the inside of the shell, and the cover plate is matched with the cover plate of the shell.

Preferably, the fixing slotted holes of the fiber outlet switching block are symmetrically arranged on two sides of the fiber outlet switching block.

Preferably, the fiber outlet holes have the same size, the number of the fibers in each fiber outlet hole is the same, at least one optical fiber is output from each fiber outlet hole, and the number of the fiber outlet holes is determined by the number of the optical fibers.

Preferably, the number of fiber outlet holes is equal to the number of optical fibers/n, where n is a natural number and n represents the number of optical fibers accommodated in one fiber outlet hole.

Preferably, the optical fibers are arranged inside the fiber outlet hole in a neat stack.

Preferably, the tail part of the cover plate of the shell is provided with a notch, and the plane size of the notch is consistent with that of the cover plate of the fiber outlet switching block.

Preferably, the optical fiber array is arranged at the center of the tail end of the chip assembly through adhesive fixation connection.

Preferably, at least one optical fiber array is disposed inside the housing, and the optical fibers are coiled around the optical fiber array inside the housing.

Preferably, the side walls of the two sides of the fiber outlet switching block are also provided with raised lines or grooves which are embedded with the inner walls of the two sides of the shell contacting the fiber outlet switching block.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:

the utility model provides an optical module of direct play fibre, through set up the optic fibre array and the optic fibre switching piece that have the direct play fibre in the optical module inside, the optical module directly goes out the fibre from inside and needn't set up the optic fibre and connect the bayonet socket again, directly let every optic fibre link with the optic fibre and can, the optic fibre of optical module can link with different types of optic fibre joints after sending from inside, has satisfied the multichannel use scene of optical module; and the optical module directly outputting the optical fiber does not need to use an optical fiber jumper wire, so that unnecessary optical loss is reduced, a low-loss requirement scene can be met, the matching degree of the optical fiber switching block in the optical module is good, a gap between the optical fiber switching block and a shell of the optical module is small, and inconvenience is avoided during use.

Drawings

Fig. 1 is a schematic structural diagram of a conventional optical module;

FIG. 2 is a schematic diagram of a fiber optic jumper configuration;

fig. 3 is a schematic structural diagram of a conventional optical module connected to an optical fiber jumper to conduct an optical path;

fig. 4 is an external schematic view of a direct fiber output optical module provided in the first embodiment;

fig. 5 is a schematic structural diagram of an optical fiber transition block provided in the first embodiment;

fig. 6 is a schematic structural diagram of an optical fiber transition block provided in the first embodiment;

fig. 7 is an external schematic view of a direct fiber output optical module provided in the first embodiment;

fig. 8 is an external schematic view of a direct fiber output optical module according to a first embodiment of the present invention;

fig. 9 is a schematic structural diagram of an optical fiber transition block provided in the second embodiment.

The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:

1-a chip assembly; 2-an optical fiber array; 3-fiber-output switching block; 31-fixed slotted hole; 32-a step platform; 33-fiber outlet holes; 34-a cover slip; 35-ribs or grooves; 4-an optical fiber; 5-optical fiber joint; 6-a shell; 61-cover plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The first embodiment is as follows:

as shown in fig. 4, an embodiment of the present invention provides a direct optical module that goes out fine, it includes chip component 1, optical fiber array 2, goes out fine switching piece 3, optic fibre 4, optical fiber splice 5 and casing 6, wherein:

the chip assembly 1, the optical fiber array 2 and the fiber outlet switching block 3 are arranged in the shell 6;

the tail end of the optical fiber array 2 is directly connected with the optical fiber 4 (the specific implementation method is that the tail end of the optical fiber array 2 and the optical fiber 4 are clamped by two glass blocks, and then the tail end of the optical fiber array 2 and the optical fiber 4 are fixed together by glue dispensing, the corresponding structure is not specifically shown in the figure, but the skilled person knows how to realize the method), the light outlet of the chip assembly 1 is coupled with the front end of the optical fiber array 2 (the specific coupling method is for example, fixing by ultraviolet adhesive), the optical fiber array 2 transfers the light emitted by the chip assembly 1 from the front end to the optical fiber 4 connected with the tail end, and the optical fiber array 2 is connected and arranged at the tail end of the chip assembly 1;

the optical fiber 4 is directly connected with an optical fiber connector 5 outside the shell 6 through the fiber outlet switching block 3.

The embodiment of the utility model provides an optical module of directly going out fibre, through set up the optical fiber array and the optic fibre switching piece that have directly going out the fibre in the optical module inside, the optical module directly goes out the fibre from inside and needn't set up the optical fiber connector bayonet socket again, directly let every optic fibre link with the optical fiber connector can, the optic fibre of optical module can link with the optical fiber connector of different types after sending from inside, satisfied the multichannel of optical module's use scene; and the optical module directly outputting the optical fiber does not need to use an optical fiber jumper wire, so that unnecessary optical loss is reduced, a low-loss requirement scene can be met, the matching degree of the optical fiber switching block in the optical module is good, a gap between the optical fiber switching block and a shell of the optical module is small, and inconvenience is avoided during use.

In order to let the optical module directly go out fine, no longer use the mode of fiber splice bayonet socket, the inside of optical module can set up a fine switching piece 3 of going out, as shown in fig. 5 and fig. 6, combines the embodiment of the utility model discloses, still there is an preferred implementation scheme, and is concrete, goes out fine switching piece 3 and includes fixed slotted hole 31, ladder platform 32, goes out fine hole 33 and cover plate 34, wherein: the fixed slot hole 31 is coupled and fixed with the inside of the shell 6, the optical fiber 4 passes through the fiber outlet hole 33 to be connected with the external optical fiber connector 5, the stepped platform 32 is matched with the inside of the shell 6, and the cover plate 34 is matched with the cover plate 61 of the shell 6. Since the size of the housing 6 changes, the size specification of the fiber output switching block 3 also changes correspondingly with the size of the housing 6, but the fiber output switching block 3 is arranged at the fiber output port, and the optical fiber 4 in the optical module stably passes through the fiber output switching block 3 and then is separated again. In consideration of reducing the gap between the fiber outlet transition block 3 and the housing 6, the stepped platform 32 and the housing 6 have specific thicknesses and specific sizes, so that the stepped platform 32 and the interior of the housing 6 are matched as much as possible, thereby not affecting the external size of the housing 6 due to the absence of the optical fiber connector bayonet.

In order to make the fine switching piece 3 and the casing 6 fixed mutually and the atress even to go out fine switching piece 3 and the casing 6 combination back and do not influence the overall dimension of optical module, as shown in fig. 5 and fig. 6, combine the embodiment of the utility model discloses, still have an optimal implementation scheme, it is concrete, go out the fixed slotted hole 31 symmetry setting of fine switching piece 3 and go out the both sides of fine switching piece 3. The fixing slot 31 and the inside of the housing 6 can be coupled by screw fixing, pin fixing, or snap connection.

In order to allow the optical fibers 4 inside the optical module to pass through the fiber output switching block 3 and to make the optical fibers 4 uniformly arranged in the fiber output holes 33 of the fiber output switching block 3, as shown in fig. 5 and 6, in combination with the embodiments of the present invention, there is also a preferred implementation scheme, specifically, the sizes of the fiber output holes 33 are the same, the fiber output number of each fiber output hole 33 is the same, at least one optical fiber 4 is output from each fiber output hole 33, and the number of the fiber output holes 33 is determined by the number of the optical fibers 4. The size of the fiber outlet 33 of each fiber outlet 33 can be adjusted according to the thickness of the optical fiber 4.

In order to deduce the number of fiber holes 33 from the number of optical fibers 4, as shown in fig. 5 and fig. 6, in combination with the embodiments of the present invention, there is also a preferred implementation scheme, specifically, the number of fiber holes 33 is equal to the number/n of optical fibers 4, where n is a natural number, and n represents the number of optical fibers 4 accommodated in one fiber hole 33.

In order to save the space of the fiber output switching block 3 and not influence the fiber output of the optical fiber 4, as shown in fig. 4, the embodiment of the present invention is combined with a preferred implementation scheme, specifically, the optical fiber 4 is neatly stacked inside the fiber output hole 33. Because the tail end of the optical fiber array 2 is directly connected with the optical fibers 4, the optical fibers 4 are closely arranged together when being arranged inside the shell 6, so that the optical fibers 4 are continuously kept in a closely arranged state inside the fiber outlet hole 33, and the optical fibers 4 are scattered after being separated from the fiber outlet hole 33 by a certain distance.

In order to make the utility model discloses optical module size application scene is unrestricted or limited degree is as little as possible, as shown in fig. 5 and fig. 6, combine the embodiment of the utility model discloses, there is still a preferred implementation scheme, and is concrete, and 6 overall dimension of casing accord with the regulation of active optical module standard protocol. Currently, there are many standard protocols such as CFP, CFP2, XFP, QSFP, etc. internationally in the active module packaging mode, these standard protocols are not limited by the brand of the supplier, and the structural members are mostly processed by using molds, so the cost is low. The embodiment of the utility model provides a under the condition that accords with these agreements, can satisfy the size that standard agreement stipulated through the position that changes each optical device of optical module inside.

In order to let the utility model discloses the optical module size accords with the agreement of standard, as shown in fig. 7, combines the embodiment of the utility model provides a, still there is an optimal implementation scheme, and is concrete, and the apron 61 afterbody that satisfies casing 6 is provided with a breach, the plane size of breach with go out the plane size of the cover plate 34 of fine switching piece 3 unanimously. Because the place that is provided with the optical fiber plug bayonet socket before now is replaced by the position of going out fine switching piece 3, consequently can leave the breach at the tail end of the apron 61 of casing 6, the area of breach is filled by the cover plate 34 that goes out fine switching piece 3, and optical module piece size and breach are not restricted to the embodiment of the utility model shows, all the other optical module sizes are suitable for this scheme equally.

In order to let the utility model discloses inside optical fiber array 2 of optical module links to each other with chip subassembly 1 is firm to do not influence the light-emitting efficiency of optic fibre, combine the embodiment of the utility model provides a, still there is an optimal implementation scheme, and is concrete, and optical fiber array 2 sets up at chip subassembly 1 tail end center through sticky fixed connection.

In order to practice thrift the embodiment of the utility model provides an inside each optical device of optical module arranges the position, combines the embodiment of the utility model provides a there is still an optimal implementation scheme, and is concrete, and 6 inside at least optical fiber array 2 that set up of casing, optic fibre 4 coils at 6 inside of casing optical fiber array 2. Since the optical fiber array 2 is an indispensable optical device, at least one optical fiber array 2 is required to be arranged inside the optical module, and an optical fiber, a bundle of optical fibers or an optical fiber ribbon is mounted on the array substrate by using the V-groove in the optical fiber array. The optical fiber array is such that the bare optical fiber portion from which the optical fiber coating is removed is placed in the V-groove, pressed by the presser member and adhered by the adhesive. At the front end, the fibers are precisely positioned for connection to the PLC, and the splices of the different fibers are mounted on the array substrate. In the production and use of optical fibers, in order to facilitate the storage and use of the optical fibers, the optical fibers are usually coiled and stored through a coiling device, and the space inside the optical module can be saved by coiling the optical fibers 4 around the optical fiber array 2.

In order to make the utility model discloses optical module be applicable to the scene of multichannel, as shown in fig. 4, combine the embodiment of the utility model, there is still an optimal implementation scheme, and is concrete, and the model of optical fiber splice 5 belongs to one or more of ST, SC, FC or LC wherein. Because optic fibre 4 directly links to each other with the outside optical fiber splice 5 of casing 6 behind the play optical fiber switching piece 3, consequently the utility model discloses the optical module can belong to ST, SC, FC or LC one or more optical fiber splice 5 wherein with the model and be connected, and optical fiber splice 5's quantity is unanimous with optic fibre 4's radical, consequently the utility model discloses the optical module of embodiment is compared and has obvious promotion in the aspect of optical fiber splice's quantity and kind in the current optical module that has the optical fiber plug bayonet socket to owing to do not adopt the connected mode of optic fibre jumper wire, also have very big degree reduction in the aspect of the optical loss.

Example two:

the both sides lateral wall that goes out fine switching piece 3 in the embodiment one is the plane, and when going out fine switching piece 3 and casing 6 and match mutually, there can be the gap between the both sides lateral wall that goes out fine switching piece 3 and the casing 6, in the consideration that improves the matching degree between fine switching piece 3 and the casing 6 two, combines the utility model discloses the embodiment, still there is an preferred implementation scheme, and is concrete, as shown in fig. 9, go out and still be provided with sand grip or recess 35 on the fine switching piece 3 both sides lateral wall, inlay mutually with casing 6 at the both sides inner wall that contacts out fine switching piece 3.

As shown in fig. 4, the second embodiment of the present invention provides a direct optical module, which includes a chip assembly 1, an optical fiber array 2, an optical fiber splice block 3, an optical fiber 4, an optical fiber connector 5, and a housing 6, wherein:

the chip assembly 1, the optical fiber array 2 and the fiber outlet switching block 3 are arranged in the shell 6;

the tail end of the optical fiber array 2 is directly connected with the optical fiber 4 (the specific implementation method is that the tail end of the optical fiber array 2 and the optical fiber 4 are clamped by two glass blocks, and then the tail end of the optical fiber array 2 and the optical fiber 4 are fixed together by glue dispensing, the corresponding structure is not specifically shown in the figure, but the skilled person knows how to realize the method), the light outlet of the chip assembly 1 is coupled with the front end of the optical fiber array 2 (the specific coupling method is for example, fixing by ultraviolet adhesive), the optical fiber array 2 transfers the light emitted by the chip assembly 1 from the front end to the optical fiber 4 connected with the tail end, and the optical fiber array 2 is connected and arranged at the tail end of the chip assembly 1;

the optical fiber 4 is directly connected with an optical fiber connector 5 outside the shell 6 through the fiber outlet switching block 3.

The embodiment of the utility model provides a second optical module of directly going out fine, through set up the optical fiber array and the optic fibre switching piece that have directly going out fine in the optical module inside, the optical module directly goes out the fine needn't set up the optical fiber connector bayonet socket from inside again, directly let every optic fibre link with the optical fiber connector can, the optic fibre of optical module can link with the optical fiber connector of different types after sending from inside, satisfied the multichannel of optical module's use scene; and the optical module directly outputting the optical fiber does not need to use an optical fiber jumper wire, so that unnecessary optical loss is reduced, a low-loss requirement scene can be met, the matching degree of the optical fiber switching block in the optical module is good, a gap between the optical fiber switching block and a shell of the optical module is small, and inconvenience is avoided during use.

In order to let the optical module directly go out fine, no longer use the mode of fiber splice bayonet socket, the inside of optical module can set up a fine switching piece 3 of going out, as shown in fig. 5 and fig. 6, combine the embodiment of the utility model provides a, still there is an preferred implementation scheme, and is concrete, goes out fine switching piece 3 and includes fixed slotted hole 31, ladder platform 32, goes out fine hole 33, cover plate 34 and sand grip or recess 35, wherein: the fixed slot hole 31 is coupled and fixed with the inside of the shell 6, the optical fiber 4 passes through the fiber outlet hole 33 to be connected with the external optical fiber connector 5, the stepped platform 32 is matched with the inside of the shell 6, and the cover plate 34 is matched with the cover plate 61 of the shell 6. Since the size of the housing 6 changes, the size specification of the fiber output switching block 3 also changes correspondingly with the size of the housing 6, but the fiber output switching block 3 is arranged at the fiber output port, and the optical fiber 4 in the optical module stably passes through the fiber output switching block 3 and then is separated again. In consideration of reducing the gap between the fiber outlet transition block 3 and the housing 6, the stepped platform 32 and the housing 6 have specific thicknesses and specific sizes, so that the stepped platform 32 and the interior of the housing 6 are matched as much as possible, thereby not affecting the external size of the housing 6 due to the absence of the optical fiber connector bayonet. The raised strip or the groove 35 is embedded with the shell 6 at the inner walls of the two sides contacting the fiber outlet switching block 3, and the matching degree of the fiber outlet switching block 3 and the shell 6 is improved from the side surfaces of the two.

In order to make the fine switching piece 3 and the casing 6 fixed mutually and the atress even to go out fine switching piece 3 and the casing 6 combination back and do not influence the overall dimension of optical module, as shown in fig. 5 and fig. 6, combine the embodiment of the utility model discloses, still have an optimal implementation scheme, it is concrete, go out the fixed slotted hole 31 symmetry setting of fine switching piece 3 and go out the both sides of fine switching piece 3. The fixing slot 31 and the inside of the housing 6 can be coupled by screw fixing, pin fixing, or snap connection.

In order to allow the optical fibers 4 inside the optical module to pass through the fiber output switching block 3 and to make the optical fibers 4 uniformly arranged in the fiber output holes 33 of the fiber output switching block 3, as shown in fig. 5 and 6, in combination with the embodiments of the present invention, there is also a preferred implementation scheme, specifically, the sizes of the fiber output holes 33 are the same, the fiber output number of each fiber output hole 33 is the same, at least one optical fiber 4 is output from each fiber output hole 33, and the number of the fiber output holes 33 is determined by the number of the optical fibers 4. The size of the fiber outlet 33 of each fiber outlet 33 can be adjusted according to the thickness of the optical fiber 4.

In order to deduce the number of fiber holes 33 from the number of optical fibers 4, as shown in fig. 5 and fig. 6, in combination with the embodiments of the present invention, there is also a preferred implementation scheme, specifically, the number of fiber holes 33 is equal to the number/n of optical fibers 4, where n is a natural number, and n represents the number of optical fibers 4 accommodated in one fiber hole 33.

In order to save the space of the fiber output switching block 3 and not influence the fiber output of the optical fiber 4, as shown in fig. 4, the embodiment of the present invention is combined with a preferred implementation scheme, specifically, the optical fiber 4 is neatly stacked inside the fiber output hole 33. Because the tail end of the optical fiber array 2 is directly connected with the optical fibers 4, the optical fibers 4 are closely arranged together when being arranged inside the shell 6, so that the optical fibers 4 are continuously kept in a closely arranged state inside the fiber outlet hole 33, and the optical fibers 4 are scattered after being separated from the fiber outlet hole 33 by a certain distance.

In order to make the utility model discloses optical module size application scene is unrestricted or limited degree is as little as possible, as shown in fig. 5 and fig. 6, combine the embodiment of the utility model discloses, there is still a preferred implementation scheme, and is concrete, and 6 overall dimension of casing accord with the regulation of active optical module standard protocol. Currently, there are many standard protocols such as CFP, CFP2, XFP, QSFP, etc. internationally in the active module packaging mode, these standard protocols are not limited by the brand of the supplier, and the structural members are mostly processed by using molds, so the cost is low. The embodiment of the utility model provides a under the condition that accords with these agreements, can satisfy the size that standard agreement stipulated through the position that changes each optical device of optical module inside.

In order to let the utility model discloses the optical module size accords with the agreement of standard, as shown in fig. 7, combines the embodiment of the utility model provides a, still there is an optimal implementation scheme, and is concrete, and the apron 61 afterbody that satisfies casing 6 is provided with a breach, the plane size of breach with go out the plane size of the cover plate 34 of fine switching piece 3 unanimously. Because the place that is provided with the optical fiber plug bayonet socket before now is replaced by the position of going out fine switching piece 3, consequently can leave the breach at the tail end of the apron 61 of casing 6, the area of breach is filled by the cover plate 34 that goes out fine switching piece 3, and optical module piece size and breach are not restricted to the embodiment of the utility model shows, all the other optical module sizes are suitable for this scheme equally.

In order to let the utility model discloses inside optical fiber array 2 of optical module links to each other with chip subassembly 1 is firm to do not influence the light-emitting efficiency of optic fibre, combine the embodiment of the utility model provides a, still there is an optimal implementation scheme, and is concrete, and optical fiber array 2 sets up at chip subassembly 1 tail end center through sticky fixed connection.

In order to practice thrift the embodiment of the utility model provides an inside each optical device of optical module arranges the position, combines the embodiment of the utility model provides a there is still an optimal implementation scheme, and is concrete, and 6 inside at least optical fiber array 2 that set up of casing, optic fibre 4 coils at 6 inside of casing optical fiber array 2. Since the optical fiber array 2 is an indispensable optical device, at least one optical fiber array 2 is required to be arranged inside the optical module, and an optical fiber, a bundle of optical fibers or an optical fiber ribbon is mounted on the array substrate by using the V-groove in the optical fiber array. The optical fiber array is such that the bare optical fiber portion from which the optical fiber coating is removed is placed in the V-groove, pressed by the presser member and adhered by the adhesive. At the front end, the fibers are precisely positioned for connection to the PLC, and the splices of the different fibers are mounted on the array substrate. In the production and use of optical fibers, in order to facilitate the storage and use of the optical fibers, the optical fibers are usually coiled and stored through a coiling device, and the space inside the optical module can be saved by coiling the optical fibers 4 around the optical fiber array 2.

In order to make the utility model discloses optical module be applicable to the scene of multichannel, as shown in fig. 4, combine the embodiment of the utility model, there is still an optimal implementation scheme, and is concrete, and the model of optical fiber splice 5 belongs to one or more of ST, SC, FC or LC wherein. Because optic fibre 4 directly links to each other with the outside optical fiber splice 5 of casing 6 behind the play optical fiber switching piece 3, consequently the utility model discloses the optical module can belong to ST, SC, FC or LC one or more optical fiber splice 5 wherein with the model and be connected, and optical fiber splice 5's quantity is unanimous with optic fibre 4's radical, consequently the utility model discloses the optical module of embodiment is compared and has obvious promotion in the aspect of optical fiber splice's quantity and kind in the current optical module that has the optical fiber plug bayonet socket to owing to do not adopt the connected mode of optic fibre jumper wire, also have very big degree reduction in the aspect of the optical loss.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A direct-egress optical module, comprising: chip subassembly (1), fiber array (2), play fine switching piece (3), optic fibre (4), fiber splice (5) and casing (6), wherein:

the chip assembly (1), the optical fiber array (2) and the fiber outlet switching block (3) are arranged in the shell (6);

the tail end of the optical fiber array (2) is directly connected with the optical fiber (4), a light outlet of the chip component (1) is coupled with the front end of the optical fiber array (2), the optical fiber array (2) transfers light emitted by the chip component (1) from the front end to the optical fiber (4) connected with the tail end, and the optical fiber array (2) is connected and arranged at the tail end of the chip component (1);

the optical fiber (4) is directly connected with an optical fiber connector (5) outside the shell (6) through the optical fiber output switching block (3).

2. The optical module of the direct fiber-out of claim 1, characterized in that the fiber-out switching block (3) comprises a fixing slot (31), a step platform (32), a fiber-out hole (33) and a cover plate (34), wherein: the fixed slotted hole (31) is fixedly coupled with the inside of the shell (6), the optical fiber (4) penetrates through the fiber outlet hole (33) to be connected with the external optical fiber connector (5), the stepped platform (32) is matched with the inside of the shell (6), and the cover plate (34) is matched with the cover plate (61) of the shell (6).

3. The optical module of the direct fiber-out of claim 2, characterized in that the fixing slots (31) of the fiber-out switching block (3) are symmetrically arranged on both sides of the fiber-out switching block (3).

4. The optical module for direct fiber output according to claim 2, wherein the fiber output holes (33) have the same size, the number of the fibers output from each fiber output hole (33) is the same, at least one optical fiber (4) is output from each fiber output hole (33), and the number of the fiber output holes (33) is determined by the number of the optical fibers (4).

5. The optical module for direct fiber extraction according to claim 4, wherein the number of the fiber extraction holes (33) is equal to the number of the optical fibers (4)/n, where n is a natural number and n represents the number of the optical fibers (4) accommodated in one fiber extraction hole (33).

6. The optical module for direct fiber extraction according to claim 4, wherein the optical fibers (4) are arranged inside the fiber extraction hole (33) in a orderly stacked manner.

7. The optical module of the direct fiber outgoing of claim 2, characterized in that the tail of the cover plate (61) of the housing (6) is provided with a notch, and the size of the plane of the notch is consistent with that of the cover plate (34) of the fiber outgoing switching block (3).

8. The direct-fiber-extraction optical module according to claim 1, wherein the optical fiber array (2) is disposed at the center of the tail end of the chip assembly (1) by adhesive-fixed connection.

9. Direct-egress optical module according to claim 1, wherein at least one optical fiber array (2) is provided inside the housing (6), the optical fibers (4) being wound around the optical fiber array (2) inside the housing (6).

10. The optical module for directly outputting optical fiber according to claim 1, wherein the side walls of the two sides of the optical fiber output switching block (3) are further provided with a convex strip or a concave groove (35) which is embedded with the inner wall of the two sides of the housing (6) contacting the optical fiber output switching block (3).

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