Receiver assembly

Abstract

The utility model relates to the technical field of optical fiber conduction, and discloses a receiver assembly which is used for butting a connector with a multi-core optical fiber, butting sections of a plurality of single-core optical fibers are combined and arranged in an insertion core through hole formed in a receiver insertion core part, and are aligned and fixed with the receiver insertion core part used for butting a connector insertion core; the receiver insertion core piece is fixedly arranged in the adjusting piece, an adjusting through hole is formed in the receiver shell, the adjusting through hole and the insertion core through hole are coaxial, the adjusting piece is arranged in the adjusting through hole, so that the receiver insertion core piece is arranged in the adjusting through hole in a penetrating mode, and the adjusting piece and the receiver shell can selectively, coaxially and relatively rotate; the receiver assembly is assembled in advance and then is in butt joint with the connector. The adjusting piece can adjust the fiber cores of the multiple single-core optical fibers to be aligned with the fiber cores of the multi-core optical fibers one by one. And after the receiver assembly is adjusted to a correct angle, the relative positions of the adjusting piece and the receiver shell are fixed, so that the receiver assembly is simpler and more compact in structure, and the space of butt joint action can be saved.

Description

Technical Field

[0001] This utility model relates to the field of optical fiber transmission technology, and in particular to a receiver assembly. Background Technology

[0002] In recent years, with the increase in communication speed and data traffic, multi-core fiber (MCF) has been gradually introduced into applications in the optical communication industry. As a new type of backbone transmission, MCF has significant advantages, such as effectively reducing the size of optical cables, which is of great significance for reducing the large number of optical cables in data centers; and reducing the weight of optical cables. Based on these advantages, MCF has been widely used in important optical cables such as submarine cables.

[0003] However, when it comes to applications connecting multi-core optical fibers and optical modules, there are technical challenges in aligning the core angle of the multi-core optical fiber in the connector of the optical module port with the core of the multiple single-mode optical fibers inside the receiver (Receptacle) that are responsible for guiding the optical cable to the internal connection. Utility Model Content

[0004] The purpose of this utility model is to provide a receiver assembly that is compact, easy to assemble, facilitates docking and debugging to ensure smooth optical path, and saves space for docking operations. It is suitable for use in confined spaces such as optical module ports.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A receiver assembly for mating with a connector having a multi-core optical fiber, the receiver assembly comprising:

[0007] A receiver insert has a through hole and a mating end for mating with the insert of the connector.

[0008] The single-core optical fiber is provided in multiple ways, and the cores of the multiple single-core optical fibers are arranged one-to-one with the cores of the multi-core optical fiber. The splice segments of the multiple single-core optical fibers are parallel and tightly fitted to bundle and converge the splice segments of the multiple single-core optical fibers. The splice segments of the multiple single-core optical fibers are placed in the ferrule through hole and fixed to the receiver ferrule, and the splice segments of the multiple single-core optical fibers are aligned with the splice end of the receiver ferrule.

[0009] An adjustment component is provided with an assembly through hole, the receiver ferrule is placed in the assembly through hole and fixed to the adjustment component, and multiple single-core optical fibers pass through the assembly through hole.

[0010] The receiver housing has an adjustment through hole, which is coaxially arranged with the insert through hole. The adjustment member is placed in the adjustment through hole and can selectively rotate coaxially relative to the receiver housing. The receiver insert is inserted through the adjustment through hole.

[0011] As an optional technical solution for the receiver assembly, an adhesive injection gap is provided between the adjusting member and the receiver housing, the receiver housing is provided with an adhesive injection hole, the adhesive injection hole communicates with the adhesive injection gap, and the adjusting member and the receiver housing can be fixed relative to each other by adhesive bonding.

[0012] As an optional technical solution for the receiver assembly, the glue injection gap is located within an annular glue groove provided on the outer periphery of the adjusting member and / or the inner periphery of the receiver housing.

[0013] As an optional technical solution for the receiver assembly, the tail of the adjusting member is away from the mating end of the receiver insert and extends out of the receiver housing, and the tail of the adjusting member is provided with an adjusting flat position.

[0014] As an optional technical solution for the receiver assembly, the mating end of the receiver housing is provided with a plug-in position, which is used to axially plug into the housing of the connector and restricts the relative rotation of the receiver housing and the housing of the connector.

[0015] As an optional technical solution for the receiver assembly, the mating end of the receiver ferrule is recessed within the adjustment through hole, the adjustment through hole is used to insert the ferrule of the connector, and the relative distance between the mating end of the receiver housing and the mating end of the receiver ferrule is a preset insertion depth.

[0016] As an optional technical solution for the receiver assembly, the mating end of the receiver ferrule extends out of the adjusting member. The receiver assembly also includes a guide sleeve, which is sleeved on the outside of the mating end of the receiver ferrule. One end of the guide sleeve is connected to the adjusting member, and the mating end of the receiver ferrule is recessed into the other end of the guide sleeve. The guide sleeve is used to insert the ferrule of the connector.

[0017] As an optional technical solution for the receiver assembly, the receiver assembly further includes an end-face magnifying glass, which is used to detect whether the multiple single-core optical fibers are connected one-to-one with the cores of the multi-core optical fiber.

[0018] As an optional technical solution for the receiver assembly, the receiver housing is provided with a reference horizontal position.

[0019] As an optional technical solution for the receiver assembly, the receiver assembly further includes an optical fiber array, which is used to fix multiple single-core optical fibers at intervals.

[0020] The beneficial effects of this utility model are:

[0021] The receiver assembly provided by this utility model is used to interface with a connector containing multi-core optical fibers. The connector on the outside of the optical module port uses multi-core optical fibers, while the receiver assembly on the inside of the optical module port contains multiple single-core optical fibers, each corresponding to a core of a multi-core optical fiber. The mating sections of the multiple single-core optical fibers are parallel and tightly fitted to bundle them together. These mating sections are placed within ferrule through-holes on the receiver ferrule and fixed to it, ensuring alignment between the mating sections and the mating end of the receiver ferrule. The mating end of the receiver ferrule is used to mate with the ferrule of the connector. An assembly through-hole is provided on the adjustment component, and the receiver ferrule is placed within and fixed to the adjustment component. Multiple single-core optical fibers pass through the assembly through-hole. An adjustment through-hole is provided on the receiver housing, coaxially arranged with the ferrule through-hole. The adjustment component is placed within the adjustment through-hole so that the receiver ferrule passes through it. The adjustment component and the receiver housing can selectively rotate coaxially relative to each other. Since the insertion angle of the connector remains constant, and the core angle of the multi-core fiber inside the connector also remains constant, to ensure unobstructed optical path after insertion into the optical module port, the core angle of the single-core fiber in the receiver assembly must match the core angle of the multi-core fiber. The receiver assembly can be pre-assembled and then mated with the connector. At this time, the core angle is random, and the adjustment component can be rotated to adjust the alignment of the cores of the multiple single-core fibers with the cores of the multi-core fiber in the connector. After adjusting to the correct angle, the relative position of the adjustment component and the receiver housing is fixed. This receiver assembly structure is simpler and more compact, saving space for mating operations, and is more suitable for use in confined spaces such as optical module ports. Attached Figure Description

[0022] Figure 1 This is an exploded view of the receiver assembly and connector provided in a specific embodiment of this utility model;

[0023] Figure 2 This is a schematic diagram of the docking of the receiver assembly and the connector provided in a specific embodiment of this utility model;

[0024] Figure 3 This is a schematic diagram of the connector structure provided in a specific embodiment of this utility model;

[0025] Figure 4 This is a schematic diagram of the receiver assembly provided in a specific embodiment of the present invention;

[0026] Figure 5 This is a partial cross-sectional view of the receiver assembly provided in a specific embodiment of this utility model;

[0027] Figure 6 This is a schematic diagram of the structure of the conductive sleeve of the receiver assembly provided in a specific embodiment of this utility model.

[0028] In the picture:

[0029] 100. Receiver assembly; 101. Annular adhesive groove; 110. Receiver ferrule; 120. Single-core optical fiber; 130. Adjustment component; 131. Assembly through hole; 132. Adjustment flatness; 140. Receiver housing; 141. Adjustment through hole; 142. Adhesive injection hole; 143. Reference level; 150. Conductor sleeve; 160. Fiber optic array component;

[0030] 200. Connector; 201. Multi-core optical fiber; 202. Filament; 203. Housing. Detailed Implementation

[0031] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0032] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0034] In the description of this embodiment, the terms "upper," "lower," "right," and "left," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0035] like Figures 1 to 6 As shown, this utility model discloses a receiver assembly 100 for connecting to a connector 200 having a multi-core optical fiber 201. The connector 200 on the outside of the optical module port uses the multi-core optical fiber 201, while the receiver assembly 100 on the inside of the optical module port has a single-core optical fiber 120. In the receiver assembly 100, multiple single-core optical fibers 120 are provided, and the multiple single-core optical fibers 120 are arranged one-to-one with the cores of the multi-core optical fiber 201; the docking sections of the multiple single-core optical fibers 120 are parallel and tightly fitted, so that the docking sections of the multiple single-core optical fibers 120 are bundled together. In addition to the single-core optical fiber 120, the receiver assembly 100 also includes a receiver ferrule 110, a receiver housing 140, and an adjustment member 130. The mating sections of the multiple single-core optical fibers 120 are placed in the ferrule through holes opened on the receiver ferrule 110 and fixed to the receiver ferrule 110 to ensure that the mating sections of the multiple single-core optical fibers 120 are aligned with the mating end of the receiver ferrule 110. The mating end of the receiver ferrule 110 is used to mate with the ferrule 202 of the connector 200. An assembly through hole 131 is provided on the adjusting member 130. The receiver ferrule 110 is placed in the assembly through hole 131 and fixed to the adjusting member 130. Multiple single-core optical fibers 120 pass through the assembly through hole 131. An adjusting through hole 141 is provided on the receiver housing 140. The adjusting through hole 141 is coaxially arranged with the ferrule through hole. The adjusting member 130 is placed in the adjusting through hole 141 so that the receiver ferrule 110 passes through the adjusting through hole 141. The adjusting member 130 and the receiver housing 140 can selectively rotate coaxially relative to each other. Since the insertion angle of connector 200 remains constant, and the core angle of multi-core fiber 201 within connector 200 also remains constant, to ensure unobstructed optical path after insertion into the optical module port, the core angle of single-core fiber 120 in receiver assembly 100 must match the core angle of multi-core fiber 201. Receiver assembly 100 can be pre-assembled and then connected to connector 200. At this time, the core angle is random, and adjustment component 130 can rotate to align the cores of multiple single-core fibers 120 with the cores of multi-core fiber 201 in connector 200 one by one. After adjusting to the correct angle, the relative position of adjustment component 130 and receiver housing 140 is fixed. This receiver assembly 100 has a simpler and more compact structure, saving space for connection operations and making it more suitable for use in confined spaces such as optical module ports.

[0036] In this embodiment, four single-core optical fibers 120 arranged in an array are placed in the ferrule through-hole. The ends of the mating sections of the four single-core optical fibers 120 are aligned axially. The core angle of the multi-core optical fiber 201 in the connector 200 has also been adjusted to be horizontal and fixed during the production of the patch cord. Therefore, during the assembly and mating of the receiver assembly 100 and the connector 200 at the optical module port, the core angle of the four single-core optical fibers 120 should also be adjusted to be horizontal and fixed at this horizontal angle. For example, the receiver ferrule 110 uses a ceramic ferrule 202, which has the characteristics of good thermal stability, high hardness, strong heat and wear resistance, and high processing precision.

[0037] Specifically, an adhesive injection gap is provided between the adjusting component 130 and the receiver housing 140. The receiver housing 140 is provided with an adhesive injection hole 142, which communicates with the adhesive injection gap. The adjusting component 130 and the receiver housing 140 can be fixed together by adhesive bonding. After the adjusting component 130 is adjusted to the correct angle, the adjusting component 130 and the receiver housing 140 are promptly glued together by adhesive injection. Once glued, they cannot be disassembled, ensuring the docking stability and accuracy of the receiver assembly 100.

[0038] Specifically, such as Figure 5 As shown, the glue injection gap is located in the annular glue groove 101 provided on the outer periphery of the adjusting member 130 and the inner periphery of the receiver housing 140. Without affecting the axial relative position of the adjusting member 130 and the receiver housing 140, the adjusting member 130 and the receiver housing 140 are rotatably connected, and the core angle of the single-core optical fiber 120 can be flexibly adjusted by rotation.

[0039] Optionally, the adjustment member 130 and the receiver housing 140 can be locked together to prevent relative rotation, instead of using glue injection.

[0040] In this embodiment, the receiver assembly 100 further includes an end-face magnifying glass, which is used to detect whether the multiple single-core optical fibers 120 are connected one-to-one with the cores of the multi-core optical fiber 201.

[0041] For example, the receiver housing 140 is provided with a reference horizontal position 143. During the assembly of the optical module port, when the connector 200 is inserted into the inside of the receiver assembly 100, with the support of the end face magnifying glass, the end face of the single-core optical fiber 120 is rotated to a specific position to complete the docking by rotating the adjustment shaft. Then, by applying glue to the structure with the glue injection hole 142 and the annular glue groove 101, the adjustment member 130 is fixed relative to the receiver housing 140, and the core angle of the single-core optical fiber 120 is also fixed relative to the reference horizontal position 143 of the receiver housing 140.

[0042] Furthermore, the tail of the adjusting member 130 is away from the mating end of the receiver insert 110 and extends out of the receiver housing 140. The tail of the adjusting member 130 is provided with an adjusting flat position 132, which can be clamped by the operator using a clamping tool to rotate, facilitating the adjustment operation.

[0043] Alternatively, in order to further shorten the structural length of the receiver assembly 100, the adjustment member 130 may not extend out of the receiver housing 140. Instead, an adjustment window may be opened on the receiver housing 140. A ring of gears that are easy to turn is provided on the adjustment member 130 at the position corresponding to the adjustment window. Some of the gears are exposed in the adjustment window, and the operator can adjust the rotation angle of the adjustment member 130 through the adjustment window.

[0044] It is understood that the receiver housing 140 is provided with a plug-in position at the docking end. The plug-in position is used to axially plug into the housing 203 of the connector 200 and restricts the relative rotation of the receiver housing 140 and the housing 203 of the connector 200. That is, after the connector 200 is docked with the receiver assembly 100, the core angle of the multi-core optical fiber 201 inside the connector 200 can be fixed, further improving the adjustment efficiency and ensuring the stable and smooth optical path.

[0045] In this embodiment, the mating end of the receiver ferrule 110 is recessed within the adjustment through hole 141. The adjustment through hole 141 is used to insert the ferrule 202 of the connector 200. The relative distance between the mating end of the receiver housing 140 and the mating end of the receiver ferrule 110 is a preset insertion depth. As the part where fiber optic connections are directly made, the mating end of the receiver ferrule 110 is recessed inside the adjustment through hole 141, which can effectively protect the structure of the receiver assembly 100. The preset insertion depth standardizes the connection action of the optical module, making it easier to manage and quickly and correctly connect the matching connector 200 to the receiver assembly 100.

[0046] Furthermore, the mating end of the receiver ferrule 110 extends out of the adjusting member 130. The receiver assembly 100 also includes a guiding sleeve 150, which is sleeved on the outside of the mating end of the receiver ferrule 110. One end of the guiding sleeve 150 is connected to the adjusting member 130, and the mating end of the receiver ferrule 110 is recessed within the other end of the guiding sleeve 150. The guiding sleeve 150 is used to insert the ferrule 202 of the connector 200 and to guide the ferrule 202 of the connector 200. Figure 6 As shown, the guide sleeve 150 has a movable slot. Its purpose is to allow for an interference fit with both the receiver ferrule 110 and the ferrule 202 of the connector 200. The guide sleeve 150 covers both of them and can lock the ferrule 202 in place, making the docking structure more stable.

[0047] The receiver assembly 100 also includes an optical fiber array 160 that interfaces with the optical engine inside the optical module. The optical fiber array 160 is used to fix multiple single-core optical fibers 120 at intervals, which facilitates the sorting and fixing of multiple single-core optical fibers 120 and avoids messiness affecting the operation of the optical module.

[0048] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A receiver assembly, characterized in that, For mating with a connector (200) having a multi-core optical fiber (201), the receiver assembly includes: The receiver insert (110) has an insert through hole, and the mating end of the receiver insert (110) is used to mate with the insert (202) of the connector (200); A single-core optical fiber (120) is provided, and multiple single-core optical fibers (120) are provided. The multiple single-core optical fibers (120) are arranged one-to-one with the core of the multi-core optical fiber (201). The splice segments of the multiple single-core optical fibers (120) are parallel and tightly fitted to bundle together the splice segments of the multiple single-core optical fibers (120). The splice segments of the multiple single-core optical fibers (120) are placed in the ferrule through hole and fixed with the receiver ferrule (110). The splice segments of the multiple single-core optical fibers (120) are aligned with the splice end of the receiver ferrule (110). An adjusting member (130) is provided with an assembly through hole (131). The receiver ferrule (110) is placed in the assembly through hole (131) and fixed to the adjusting member (130). Multiple single-core optical fibers (120) pass through the assembly through hole (131). The receiver housing (140) has an adjustment through hole (141) which is coaxially arranged with the insert through hole. The adjustment member (130) is placed in the adjustment through hole (141) and can selectively rotate coaxially with the receiver housing (140). The receiver insert member (110) passes through the adjustment through hole (141).

2. The receiver assembly according to claim 1, characterized in that, An adhesive injection gap is provided between the adjusting member (130) and the receiver housing (140). The receiver housing (140) is provided with an adhesive injection hole (142), which communicates with the adhesive injection gap. The adjusting member (130) and the receiver housing (140) can be fixed relative to each other by adhesive bonding.

3. The receiver assembly according to claim 2, characterized in that, The glue injection gap is located in the annular glue groove (101) provided on the outer periphery of the adjusting member (130) and / or the inner periphery of the receiver housing (140).

4. The receiver assembly according to claim 1, characterized in that, The tail of the adjusting member (130) is away from the mating end of the receiver insert (110) and extends out of the receiver housing (140), and the tail of the adjusting member (130) is provided with an adjusting flat position (132).

5. The receiver assembly according to claim 1, characterized in that, The receiver housing (140) has a mating end with a plug-in position for axially inserting into the housing (203) of the connector (200) and restricting the relative rotation of the receiver housing (140) and the housing (203) of the connector (200).

6. The receiver assembly according to claim 1, characterized in that, The mating end of the receiver ferrule (110) is recessed within the adjustment through hole (141), the adjustment through hole (141) is used to insert the ferrule (202) of the connector (200), and the relative distance between the mating end of the receiver housing (140) and the mating end of the receiver ferrule (110) is a preset insertion depth.

7. The receiver assembly according to claim 1, characterized in that, The mating end of the receiver ferrule (110) extends out of the adjusting member (130). The receiver assembly also includes a guide sleeve (150), which is sleeved on the outside of the mating end of the receiver ferrule (110). One end of the guide sleeve (150) is connected to the adjusting member (130), and the mating end of the receiver ferrule (110) is recessed into the other end of the guide sleeve (150). The guide sleeve (150) is used to insert the ferrule (202) of the connector (200).

8. The receiver assembly according to claim 1, characterized in that, The receiver assembly further includes an end-face magnifying glass, which is used to detect whether the multiple single-core optical fibers (120) are connected one-to-one with the cores of the multi-core optical fiber (201).

9. The receiver assembly according to claim 1, characterized in that, The receiver housing (140) is provided with a reference level position (143).

10. The receiver assembly according to any one of claims 1-9, characterized in that, The receiver assembly further includes an optical fiber array (160) for fixing multiple single-core optical fibers (120) at intervals.

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