Optical splitter with multiple light splitting modules

Abstract

The invention relates to an optical splitter with multiple light splitting modules, which comprises a box body, the box body comprises a box bottom, the box bottom comprises a bottom plate and box bottom side plates connected with the periphery of the bottom plate, the bottom plate is provided with a plurality of linear baffle plates and a plurality of arc-shaped baffle plates, the linear baffle plates and the arc-shaped baffle plates are arranged between two box bottom side plates distributed along a first direction, and the linear baffle plates and the arc-shaped baffle plates are connected with the box bottom side plates. The linear baffles extend in the first direction and are distributed at equal intervals in the second direction, the arc-shaped baffles are distributed in the second direction, the linear baffles are all located between the adjacent arc-shaped baffles, the two box bottom side plates distributed in the first direction are each provided with a plurality of installation openings, and the installation openings are linearly distributed in the second direction. A winding gap is formed between the adjacent linear baffle and the arc-shaped baffle, and the distance between the middle of the arc-shaped baffle and the linear baffle is the farthest. According to the invention, the plurality of light splitting modules are arranged in the box body, the output ends of the light splitting modules are MPO connectors, and a single MPO connector can be connected with a plurality of user optical fibers, so that the connection density of the optical splitter is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of communication equipment, and in particular to an optical splitter with multiple optical splitting modules. Background Art

[0002] As an optical device, the optical splitter can efficiently and accurately divide the input optical signal into multiple outputs, enhancing the flexibility and scalability of the network. Therefore, it plays an indispensable role in modern fiber-optic communication networks. With the advent of the digital age, the demand for information communication is growing at an unprecedented rate, and the demand for optical splitters is also increasing.

[0003] In the FTTH (Fiber to the Home) network, optical splitters are usually installed at key nodes of the optical distribution network (ODN), such as the central computer room or corridor of a residential area. Optical splitters can efficiently distribute the optical signals transmitted from the central computer room to each corridor or user, thus achieving the goal of fiber to the home.

[0004] With the rapid development of social economy, users' demands for network bandwidth and stability are growing, and the demands for optical splitters are becoming more and more diverse, including supporting more user access and meeting large-scale deployment needs, while also requiring higher port density, lower loss and higher reliability. Although traditional PLC optical splitters can realize the distribution and merging of multiple optical signals, their conventional standard types still have certain capacity limitations. For example, under the demand for higher-density optical fiber connections, only a few devices can be connected, and only a larger space is required to meet the requirements. Although traditional PLC optical splitters have the characteristics of compact structure and small size, the installation space is still not enough in the application scenarios of high-density optical fiber connections. Summary of the invention

[0005] To this end, the technical problem to be solved by the present invention is to overcome the problem that the capacity of the optical splitter in the prior art is limited and cannot meet the demand for high-density optical fiber connection, and further provide an optical splitter with multiple splitting modules, providing multiple splitting modules, connecting multiple optical fibers through the MPO connectors of the splitting modules, thereby improving the connection density of the optical splitter.

[0006] In order to solve the above technical problems, the present invention provides an optical splitter of a multi-split module, which comprises a box body, wherein the box body comprises: A box bottom, comprising a bottom plate and a box bottom side plate connected around the bottom plate, the bottom plate being provided with a plurality of straight baffles and a plurality of arcuate baffles, the plurality of straight baffles and the plurality of arcuate baffles being arranged between two box bottom side plates distributed along a first direction, the plurality of straight baffles extending along the first direction and being equidistantly distributed along a second direction, the plurality of arcuate baffles being distributed along the second direction, the plurality of straight baffles being all located between adjacent arcuate baffles, wherein a plurality of mounting openings are both provided on the two box bottom side plates distributed along the first direction, the plurality of mounting openings being linearly distributed along the second direction, a winding gap being provided between adjacent straight baffles and the arcuate baffles, and the middle of the arcuate baffle being the farthest from the adjacent straight baffles.

[0007] In one embodiment of the present invention, the multiple installation ports are all provided with adapters, wherein the adapters located on one side of the box body are all configured as SC adapters, and the adapters located on the other side of the box body are all configured as MPO adapters.

[0008] In one embodiment of the present invention, it further comprises a plurality of light splitting modules disposed inside the box body, wherein the plurality of light splitting modules are sequentially disposed between two adjacent linear baffles along the second direction, and both sides of the light splitting modules along the second direction abut against the linear baffles.

[0009] In one embodiment of the present invention, the light splitting module includes a PLC chip coupling portion and a steel pipe sleeved outside the PLC chip coupling portion, and the two sides of the steel pipe along the second direction abut against the linear baffle.

[0010] In one embodiment of the present invention, the optical splitter module further comprises an SC connector, the SC connector and the PLC chip coupling portion are connected via an input optical fiber, and the SC connectors of a plurality of the optical splitter modules and a plurality of the SC adapters are connected one by one.

[0011] In one embodiment of the present invention, the optical splitter module further comprises an MPO connector, the MPO connector and the PLC chip coupling portion are connected via an output optical fiber, and the MPO connectors of a plurality of the optical splitter modules and a plurality of the MPO adapters are connected one by one.

[0012] In one embodiment of the present invention, the output optical fiber is configured as a colored optical fiber.

[0013] In one embodiment of the present invention, the input optical fiber is built into a sleeve.

[0014] In one embodiment of the present invention, the input optical fiber and the output optical fiber are wound outside the arc-shaped baffle.

[0015] In one embodiment of the present invention, the box body further comprises a box cover connected to the box bottom cover, the box cover comprises a cover plate and box cover side plates connected to both sides of the box cover along the second direction, the box cover side plates are tightly attached to the box bottom side plates along the second direction, wherein the box bottom side plates are provided with screw holes, the box cover side plates are provided with screw holes, and screws are passed through the screw holes to connect the box cover side plates and the box bottom side plates In one embodiment of the present invention, the size of the box body is: L*W*H=150*92*28 (mm).

[0016] In one embodiment of the present invention, four light splitting modules are included.

[0017] The above technical solution of the present invention has the following advantages compared with the prior art: The optical splitter with multiple splitting modules described in the present invention is provided with multiple installation ports on both sides of the box body, and multiple adapters can be installed on the box body. The user optical fiber is connected to the multiple splitting modules in the box body through the multiple adapters, which greatly improves the connection density of the optical splitter; the branching light blocks are fixed by adjacent straight baffles to avoid loosening of the splitting modules and improve the stability of the optical splitter; the box body is divided into multiple independent spaces by using multiple straight baffles to ensure that each splitting module is regular and does not interfere with each other, thereby improving the wiring efficiency and space utilization; an arc-shaped baffle is provided for the optical fiber inside the box body to wind, which not only realizes the combing of the optical fiber, but also prevents the optical fiber from being damaged due to excessive bending or stretching, reduces the confusion of light, and improves the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0019] Figure 1 It is a structural schematic diagram of the optical splitter of the present invention; Figure 2 for Figure 1 A schematic diagram of the structure of the box bottom of the optical splitter shown; Figure 3 for Figure 1 The schematic diagram of the structure of the light splitting module of the optical splitter is shown.

[0020] Explanation of the reference numerals in the specification: 1. box cover; 2. box bottom; 201. arc-shaped baffle; 202. straight baffle; 203. box bottom side panel; 204. box bottom side panel; 205. adapter mounting port; 206. screw hole; 207. adapter mounting port; 208. winding gap; 209. box bottom side panel; 3. SC adapter; 4. MPO adapter; 5. MPO type micro-splitting module; 501. MPO connector; 502. output optical fiber; 503. steel pipe; 504. input and output fiber; 505. SC connector; 6. X, first direction; Y, second direction. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0022] Reference Figure 1 and Figure 2 As shown, in one embodiment of the present invention, an optical splitter of a multi-split module is disclosed, which includes a box body, the box body includes, The box bottom 2 comprises a bottom plate and four box bottom side plates connected to the bottom plate. The surface of the bottom plate is provided with five straight baffles 202 and two arc baffles 201. The straight baffles 202 are used to fix the splitter module 5 to prevent the splitter module 5 from loosening. The arc baffles 201 are used to wind and comb the excess optical fibers in the box body to prevent the optical fibers from being damaged due to excessive bending or stretching. The five straight baffles 202 extend along the first direction X and are equidistantly distributed along the second direction Y, forming four installation grooves for the four splitter modules 5 to be independently installed, so as to avoid mutual interference between the splitter modules 5 and cause confusion. The two arc baffles 201 are distributed on both sides of the five straight baffles 202 along the second direction Y, and are used to wind and comb the excess optical fibers of the splitter module 5. The first direction X and the second direction Y are horizontal directions perpendicular to each other. The five straight baffles 202 and the two arc baffles 201 are arranged between the two box bottom side plates 203 / 204 distributed along the first direction X. The two arc baffles 201 distributed along the first direction X are arranged between the two box bottom side plates 203 / 204 distributed along the first direction X. The bottom side panels 203 / 204 of the box are respectively provided with four mounting openings 207 / 205, and the four mounting openings 207 / 205 are linearly distributed along the second direction Y. The four mounting openings 207 / 205 and the four mounting grooves are arranged one by one. The four mounting openings 207 / 205 are used to connect the optical splitting module 5 with external optical fibers, which can achieve a higher density and smaller size of optical splitting function, greatly improving the capacity of the optical splitter; a winding gap is provided between the adjacent linear baffles 202 and the arc baffles 201 208, the winding gap 208 is used to avoid the optical fiber of the splitter module 5, ensuring that there is more space between the arc baffle 201 and the straight baffle 202 for the optical fiber to be wound, and the middle of the arc baffle 201 is farthest from the adjacent straight baffle 202. It can be understood that the arc baffle 201 protrudes along the direction of the outside of the box body, so that the optical fiber of the splitter module 5 is led out from one end of the installation groove and wound on the arc baffle 201 with a relatively small curvature, thereby preventing the optical fiber from being damaged due to excessive bending or stretching.

[0023] Reference Figure 2 As shown, the eight installation ports 205 are all provided with adapters, the adapters are connected to the installation ports 205 by screws and the adapters are located outside the box body, wherein the four adapters located on one side of the box body are all configured as SC adapters 3, the SC adapter 3 is used to connect to the external trunk optical fiber, and input the external optical signal into the optical splitter; the four adapters located on the other side of the box body are all configured as MPO high-density adapters, and the MPO high-density adapters are used to output the optical signal split by the optical splitter to the user optical fiber, thereby realizing fiber-to-the-home access.

[0024] Furthermore, it also includes four spectroscopic modules 5 arranged inside the box body, and the spectroscopic modules 5 are installed inside the box body to reduce the installation space; the four spectroscopic modules 5 are arranged in four installation grooves between two adjacent linear baffles 202 in sequence along the second direction Y, and the two sides of the spectroscopic module 5 along the second direction Y abut against the linear baffle 202. It can be understood that the adjacent linear baffles 202 clamp the spectroscopic module 5 to prevent the spectroscopic module 5 from loosening.

[0025] Reference Figure 3 As shown, the spectrometer module 5 includes a PLC chip coupling part and a steel pipe 503 sleeved outside the PLC chip coupling part. The steel pipe 503 plays a role in protecting the PLC chip coupling part. The steel pipe 503 abuts against the linear baffle 202 on both sides along the second direction Y. The steel pipe 503 is clamped by the adjacent linear baffle 202 to prevent the spectrometer module 5 and the steel pipe 503 from loosening.

[0026] Reference Figure 3 As shown, each of the splitter modules 5 also includes an SC connector 505, and the SC connector 505 and the PLC chip coupling part are connected through an input optical fiber 504. The four SC connectors 505 of the four splitter modules 5 and the four SC adapters 3 are connected one by one. The SC connector 505 is used to connect to the external trunk optical fiber to input the external optical signal into the optical splitter.

[0027] Reference Figure 3 As shown, each of the splitter modules 5 also includes an MPO connector 5, and the MPO connector 5 and the PLC chip coupling part are connected through an output optical fiber 502. The four MPO connectors 5 of the four splitter modules 5 and the four MPO adapters 4 are connected one by one. The MPO connector 5 is used to connect with the external user optical fiber to realize the output of the optical signal of the optical splitter. Each MPO high-density adapter can accommodate 8 user optical fibers or 16 user optical fibers, and can realize the splitting function of the optical splitter of 1 to 8 or 1 to 16, which greatly improves the capacity of the optical splitter.

[0028] Reference Figure 3 As shown, the output optical fiber 502 is set as a colored optical fiber with a line diameter of 0.25 mm. The colored optical fiber serves as an identifier, which can save wiring space, and the fiber-bearing saves connector assembly time.

[0029] Reference Figure 3 As shown, the input optical fiber 504 is built into a sleeve, the diameter of the sleeve is 0.9 mm, and the input optical fiber 504 is protected.

[0030] Furthermore, the input optical fiber 504 and the output optical fiber 502 are both wound counterclockwise or clockwise outside the arc-shaped baffle 201 .

[0031] Reference Figure 1 As shown, the box body also includes a box cover 1 connected to the box bottom 2, the box cover 1 includes a cover plate and box cover side panels connected to both sides of the box cover 1 along the second direction Y, the box cover side panels are tightly attached to the box bottom side panels along the second direction Y, wherein the box bottom side panels 209 are provided with screw holes 206, and the box cover side panels are provided with screw holes, and screws pass through the screw holes to connect the box cover side panels and the box bottom side panels 209.

[0032] Furthermore, the dimensions of the box body are: L*W*H=150*92*28mm, and the box body has a compact structure and can be installed in equipment such as a terminal box and a junction box.

[0033] The working principle of the optical splitter of the present invention is: Install the four splitter modules 5 in the four installation slots respectively, then wind the output optical fibers 502 and input optical fibers 504 of the four splitter modules 5 around the two arc-shaped baffles 201, then connect the four SC connectors 505 of the four splitter modules 5 to the four SC adapters 3 respectively, and connect the four MPO connectors 5 of the four splitter modules 5 to the four MPO adapters 4. Finally, fix the box bottom 2 and the box cover 1 by screws, install the completed optical splitter in the corridor of the community, connect the four trunk optical fibers of the central computer room to the four SC adapters 3 respectively, and then connect multiple user optical fibers to the MPO adapter 4 to realize fiber-to-the-home.

[0034] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. An optical splitter of a multi-splitting module, characterized in that: It includes a box body, and the box body includes, A box bottom, comprising a bottom plate and a box bottom side plate connected around the bottom plate, the bottom plate being provided with a plurality of straight baffles and a plurality of arcuate baffles, the plurality of straight baffles and the plurality of arcuate baffles being arranged between two box bottom side plates distributed along a first direction, the plurality of straight baffles extending along the first direction and being equidistantly distributed along a second direction, the plurality of arcuate baffles being distributed along the second direction, the plurality of straight baffles being all located between adjacent arcuate baffles, wherein a plurality of mounting openings are both provided on the two box bottom side plates distributed along the first direction, the plurality of mounting openings being linearly distributed along the second direction, a winding gap being provided between adjacent straight baffles and the arcuate baffles, and the middle of the arcuate baffle being the farthest from the adjacent straight baffles.

2. The optical splitter of a multi-split module according to claim 1, characterized in that: The multiple installation ports are all provided with adapters, wherein the adapters located on one side of the box body are all configured as SC adapters, and the adapters located on the other side of the box body are all configured as MPO adapters.

3. The optical splitter of a multi-split module according to claim 2, characterized in that: It also includes a plurality of light splitting modules disposed inside the box body, wherein the plurality of light splitting modules are sequentially disposed between two adjacent linear baffles along the second direction, and two sides of the light splitting modules along the second direction abut against the linear baffles.

4. The optical splitter of a multi-split module according to claim 3, characterized in that: The light splitting module includes a PLC chip coupling portion and a steel pipe sleeved outside the PLC chip coupling portion, and the two sides of the steel pipe along the second direction abut against the linear baffle.

5. The optical splitter of the multi-split module according to claim 4, characterized in that: The optical splitter module also includes an SC connector, the SC connector and the PLC chip coupling part are connected via an input optical fiber, and the SC connectors of multiple optical splitter modules and multiple SC adapters are connected one by one.

6. The optical splitter of a multi-split module according to claim 4, characterized in that: The optical splitter module also includes an MPO connector, and the MPO connector and the PLC chip coupling part are connected via an output optical fiber. The MPO connectors of multiple optical splitter modules and multiple MPO adapters are connected one by one.

7. The optical splitter of the multi-split module according to claim 6, characterized in that: The output optical fiber is configured as a colored optical fiber.

8. The optical splitter of a multi-split module according to claim 5, characterized in that: The input optical fiber is built in the casing.

9. The optical splitter of a multi-split module according to claim 6, characterized in that: The input optical fiber and the output optical fiber are wound outside the arc-shaped baffle.

10. The optical splitter of a multi-split module according to claim 1, characterized in that: The box body also includes a box cover connected to the box bottom cover, the box cover includes a cover plate and box cover side plates connected to both sides of the box cover along the second direction, the box cover side plates are tightly attached to the box bottom side plates along the second direction, wherein the box bottom side plates are provided with screw holes, the box cover side plates are provided with screw holes, and screws pass through the screw holes to connect the box cover side plates and the box bottom side plates.

Images