Pluggable optical connector with high temperature resistance

Abstract

The utility model relates to the technical field of optical connectors, in particular to a pluggable optical connector with high-temperature tolerance performance, which comprises an optical bridge, an insertion core and pins. A slot is formed in the top surface of the light bridge and penetrates through the rear side wall of the light bridge; the insertion core is coupled to the optical bridge, the bottom surface of the insertion core is provided with two limiting grooves, the two limiting grooves are located above the insertion groove, the two limiting grooves are each of a V-shaped structure, the bottom surface of the insertion core is provided with a plurality of communication grooves at intervals, and all the communication grooves are located between the two limiting grooves; the number of the pins is two, and the two pins are inserted into the two limiting grooves respectively. The two V-shaped grooves are introduced as the limiting grooves and are used for accurately positioning the PINs, and the V-shaped groove structures have the mechanical alignment characteristic, so that the alignment of optical fibers is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical connectors, in particular to a pluggable optical connector with high temperature tolerance performance. Background Art

[0002] An optical connector is a device used to connect optical fibers to optical fibers or optical fibers to devices in optical communication.

[0003] The application document with the publication number WO2016197332A1 discloses an optical fiber connector, which includes: a ferrule and a waveguide block; wherein the waveguide block is fixedly connected to the ferrule, the optical fiber connector is connected to an external device through the waveguide block, and the ferrule is used to fix the optical fiber; the optical port on the first end face of the waveguide block close to the external device is used to connect to the external device; the optical port on the second end face of the waveguide block close to the optical fiber is used to align with the optical port of the optical fiber.

[0004] In the prior art, the connection between the waveguide block and the ferrule depends on the alignment of the optical port of the waveguide block with the optical fiber. The above alignment may be offset, resulting in signal loss. Summary of the Utility Model

[0005] The purpose of the utility model is to improve the alignment accuracy. In view of the above deficiencies, a pluggable optical connector with high temperature tolerance performance is proposed.

[0006] The utility model adopts the following technical solutions:

[0007] A pluggable optical connector with high temperature tolerance performance has front-back, left-right, and up-down directions that are orthogonal to each other. The connector includes an optical bridge, a ferrule, and pin needles; a slot is provided on the top surface of the optical bridge, and the slot penetrates the rear side wall of the optical bridge; the ferrule is coupled to the optical bridge, and two limiting grooves are provided on the bottom surface of the ferrule. Both of the two limiting grooves are located above the slot, and the structures of both of the two limiting grooves are V-grooves. A plurality of communication grooves are arranged at intervals on the bottom surface of the ferrule, and all the communication grooves are located between the two limiting grooves; two pin needles are provided, and the two pin needles are respectively inserted into the two limiting grooves.

[0008] Optionally, both of the two pin needles are made by glass etching technology, and the accuracy of both of the two pin needles is 0.2 to 0.3 micrometers.

[0009] Optionally, the structures of all the communication grooves are V-grooves, and all the communication grooves penetrate the front side wall and the rear side wall of the ferrule.

[0010] Optionally, the distance between the center points of any two adjacent communication grooves is 127 micrometers.

[0011] Optionally, the accuracy of both of the two communication grooves is 0.5 micrometers.

[0012] Optionally, two grooves are provided on the top surface of the optical bridge and located within the slots. One end of each of the two grooves penetrates the rear side wall of the optical bridge. The two grooves are parallel to each other, and the length directions of the two grooves are parallel to the front-rear direction. The two grooves are respectively communicated with the two limiting slots, and the two pin needles are respectively inserted into the two grooves.

[0013] Optionally, the bottom surface of the ferrule is stepped, with the front side of the bottom surface of the ferrule being higher than the rear side, and the stepped structure on the front side of the bottom surface of the ferrule is adapted to the slot.

[0014] The beneficial effects achieved by the present utility model are as follows:

[0015] 1. Two V-grooves are introduced as limiting slots for the precise positioning of PIN needles. The V-groove structure has mechanical alignment characteristics, improving the alignment of optical fibers.

[0016] 2. Multiple communication grooves are designed on the bottom surface of the ferrule to support multi-channel optical signal transmission, improving the flexibility of the system.

[0017] 3. The limiting slots and the PIN needle structure have stronger stability in physical coupling.

[0018] To enable a further understanding of the features and technical content of the present utility model, please refer to the following detailed description and drawings of the present utility model. However, the provided drawings are only for reference and illustration, and are not used to limit the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 is a schematic diagram of the structure of the optical bridge in the present utility model;

[0021] Figure 3 is a schematic diagram of the structure of the ferrule in the present utility model;

[0022] Figure 4 is a schematic diagram of the structure of the ferrule from another angle in the present utility model.

[0023] DESCRIPTION OF THE REFERENCE NUMERALS:

[0024] 100, optical bridge; 110, slot; 120, groove;

[0025] 200, ferrule; 210, limiting slot; 220, communication groove;

[0026] 300, pin needle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following are specific embodiments to illustrate the implementation manners of the present utility model. Those skilled in the art can understand the advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the spirit of the present utility model. In addition, the drawings of the present utility model are only for simple schematic illustration and are not drawn according to actual dimensions, which is stated in advance. The following embodiments will further detail the related technical content of the present utility model, but the disclosed content is not used to limit the protection scope of the present utility model.

[0028] This embodiment provides a pluggable optical connector with high-temperature tolerance performance, as shown in combination with Figures 1 to 4 shown.

[0029] The pluggable optical connector with high-temperature tolerance performance has mutually orthogonal front-back, left-right, and up-down directions. The connector includes an optical bridge 100, a ferrule 200, and pin needles 300; a slot 110 is provided on the top surface of the optical bridge 100, and the slot 110 penetrates the rear side wall of the optical bridge 100; the ferrule 200 is coupled to the optical bridge 100, and two limiting grooves 210 are provided on the bottom surface of the ferrule 200. Both of the two limiting grooves 210 are located above the slot 110, and the structures of the two limiting grooves 210 are both V-grooves. A plurality of communication grooves 220 are arranged at intervals on the bottom surface of the ferrule 200, and all the communication grooves 220 are located between the two limiting grooves 210; two pin needles 300 are provided, and the two pin needles 300 are respectively inserted into the two limiting grooves 210.

[0030] Specifically, the direction in which the optical fiber is inserted into the communication groove 220 is defined as the front-back direction; after the ferrule 200 is coupled to the optical bridge 100, the top surface of the ferrule 200 is higher than the top surface of the optical bridge 100; the two limiting grooves 210 are parallel to each other, and the length directions of the two limiting grooves 210 are parallel to the front-back direction, and the lengths of the two limiting grooves 210 are equal to the length of the slot 110 in the front-back direction; the ferrule 200 can be made of high-strength ceramic, which has excellent high-temperature tolerance performance; since the structure of the limiting groove 210 is a V-groove, the mechanical alignment method of the V-groove does not depend on glue positioning, so the overall stability can also be maintained well in a high-temperature environment.

[0031] Optionally, the two pin needles 300 are both made by glass etching technology, and the precision of the two pin needles 300 is 0.2 to 0.3 micrometers.

[0032] Specifically, during the manufacturing process, it can indicate that the manufacturing deviation range does not exceed ±0.2 to 0.3 microns, and during the positioning process, it can indicate that the deviation of the positioning accuracy does not exceed 0.2 to 0.3 microns; the pin 300 adopts a glass etching technology, and the glass itself has excellent high-temperature resistance and usually works without problems in the range of 100°C to 300°C.

[0033] Optionally, the structure of all the communication slots 220 is a V-groove, and all the communication slots 220 penetrate through the front side wall and the rear side wall of the ferrule 200.

[0034] Specifically, since the structure of the communication slot 220 is a V-groove, precise positioning can be carried out through the structure of the V-groove, and the misalignment problem caused by thermal expansion can be ignored.

[0035] Optionally, the distance between the center points of any two adjacent communication slots 220 is 127 microns.

[0036] Specifically, the optical fiber is installed in the communication slot 220, and the arrangement rule is set through the communication slot 220.

[0037] Optionally, the accuracy of the two communication slots 220 is both 0.5 microns.

[0038] Specifically, during the manufacturing process, it can indicate that the manufacturing deviation range does not exceed ±0.5 microns, and during the positioning process, it can indicate that the deviation of the positioning accuracy does not exceed 0.5 microns.

[0039] Optionally, two grooves 120 are provided on the top surface of the optical bridge 100 and located within the slot 110. One end of each of the two grooves 120 penetrates through the rear side wall of the optical bridge 100. The two grooves 120 are parallel to each other, the length directions of the two grooves 120 are both parallel to the front-rear direction, the two grooves 120 are respectively communicated with the two limiting grooves 210, and the two pins 300 are respectively inserted into the two grooves 120.

[0040] Optionally, the bottom surface of the ferrule 200 is stepped, the front side of the bottom surface of the ferrule 200 is higher than the rear side, and the stepped structure on the front side of the bottom surface of the ferrule 200 is adapted to the slot 110.

[0041] The content disclosed above is only the preferred feasible embodiment of the present utility model, and does not limit the protection scope of the present utility model. Therefore, all equivalent technical changes made by using the content of the specification and drawings of the present utility model are included in the protection scope of the present utility model. In addition, with the development of technology, the elements therein can be updated.

Claims

1. A pluggable optical connector with high-temperature tolerance performance, having front-rear, left-right, and up-down directions that are mutually orthogonal, characterized in that, The connector includes an optical bridge, a ferrule and pin needles; A slot is provided on the top surface of the optical bridge, and the slot penetrates the rear side wall of the optical bridge; The ferrule is coupled to the optical bridge. Two limiting grooves are provided on the bottom surface of the ferrule. Both of the two limiting grooves are located above the slot. The structures of both of the two limiting grooves are V-grooves. Multiple communication grooves are arranged at intervals on the bottom surface of the ferrule. All the communication grooves are located between the two limiting grooves; Two pin needles are provided. The two pin needles are respectively inserted into the two limiting grooves.

2. The pluggable optical connector with high-temperature tolerance performance according to claim 1, characterized in that, Both of the two pin needles are made by glass etching technology, and the precision of both of the two pin needles is 0.2 to 0.3 microns.

3. The pluggable optical connector with high-temperature tolerance performance according to claim 1, characterized in that The structures of all the communication grooves are V-grooves, and all the communication grooves penetrate the front side wall and the rear side wall of the ferrule.

4. The pluggable optical connector with high-temperature tolerance performance according to claim 3, wherein The distance between the center points of any two adjacent communication grooves is 127 microns.

5. The pluggable optical connector with high temperature tolerance performance according to claim 1, characterized in that, The precision of both of the two communication grooves is 0.5 microns.

6. The pluggable optical connector with high temperature tolerance performance according to claim 1, characterized in that, Two grooves are provided on the top surface of the optical bridge and located in the slot. One end of each of the two grooves penetrates the rear side wall of the optical bridge. The two grooves are parallel to each other. The length directions of the two grooves are parallel to the front-rear direction. The two grooves are respectively communicated with the two limiting grooves. The two pin needles are respectively inserted into the two grooves.

7. The pluggable optical connector with high-temperature tolerance performance according to claim 1, characterized in that, The bottom surface of the ferrule is stepped. The front side of the bottom surface of the ferrule is higher than the rear side. The stepped structure on the front side of the bottom surface of the ferrule is adapted to the slot.

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