Miniaturized single-fiber LC interface optical module

By designing a miniaturized single-fiber LC interface optical module and adopting a highly reliable and vibration-resistant module structure, and using screws and hooks for fixed connection, the problem of existing optical modules being too large to meet the needs of small-size applications is solved, and a highly reliable optical module structure in a small space is realized.

CN224287192UActive Publication Date: 2026-05-26JIANGSU ALLRAY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU ALLRAY
Filing Date
2025-06-19
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing single-fiber LC interface optical modules, packaged in SFP form, are relatively large and cannot meet the requirements of high vibration and smaller space requirements in application scenarios.

Method used

A miniaturized single-fiber LC interface optical module structure was designed, including an upper cover, a lower cover, screws, components, a flexible board, a PCBA, a pressure block, and a bracket. Through a highly reliable and vibration-resistant module structure, screws and hooks are used to fix the components to the PCBA, and screws are used to lock them to the board, realizing the soldering connection between the electrical interface and the user board.

Benefits of technology

A highly reliable and vibration-resistant optical module structure was achieved in a small space, meeting the requirements of more stringent application scenarios.

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Abstract

This utility model discloses a miniaturized single-fiber LC interface optical module, comprising an upper cover, a lower cover, screws, components, a flexible circuit board, a PCBA, a pressure block, and a bracket. The PCBA is mounted on the lower cover, and the components are positioned between the bracket and the pressure block, with the components placed on top of the PCBA. The components and the PCBA are connected via the flexible circuit board. The bracket is located in the lower cover and is used to load the components. The lower cover is secured to the board at the user end with fixing screws, and the electrical interface is soldered to the user board, forming a highly reliable and vibration-resistant optical module structure to meet the application scenarios in small spaces.
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Description

Technical Field

[0001] This utility model relates to the structure and fabrication technology of optical modules, specifically, a miniaturized single-fiber LC interface optical module. Background Technology

[0002] Existing single-fiber LC interface optical modules are only available in SFP package form. The SFP package form is hot-swappable and has a large size, which cannot meet the application scenarios with high vibration requirements and smaller size space.

[0003] Therefore, it is necessary to provide a miniaturized single-fiber LC interface optical module. Utility Model Content

[0004] The purpose of this invention is to provide a miniaturized single-fiber LC interface optical module.

[0005] The technical solution is as follows:

[0006] A miniaturized single-fiber LC interface optical module includes an upper cover, a lower cover, screws, components, a flexible board, a PCBA, a pressure block, and a bracket;

[0007] The PCBA is located on the lower shell, the components are located between the bracket and the pressure block, and the components are placed on top of the PCBA. The components and the PCBA are connected by a flexible circuit board.

[0008] The bracket is installed in the lower cover and is used to load the components;

[0009] The lower cover is secured to the board at the user end with fixing screws, and the electrical interface is soldered to the user board to form a highly reliable and vibration-resistant optical module structure to meet the application scenarios in small space.

[0010] Furthermore, the upper and lower covers are fixedly connected.

[0011] Furthermore, the upper and lower covers are fixedly connected by screws and hooks.

[0012] Furthermore, a clamping block is installed to hold the device in place.

[0013] Furthermore, the pressure block is positioned above the support.

[0014] Furthermore, the included optical interface is an LC interface, located in front of the optical module.

[0015] Furthermore, the included electrical port is a single-row bent-pin header located at the rear of the optical module;

[0016] Compared with existing technologies, this utility model uses a highly reliable and vibration-resistant optical module structure to meet the application scenarios in small spaces. Attached Figure Description

[0017] Figure 1 This is one of the structural schematic diagrams of this utility model.

[0018] Figure 2 This is the second structural schematic diagram of this utility model.

[0019] Figure 3 This is the third structural schematic diagram of this utility model. Detailed Implementation

[0020] Example:

[0021] Please see Figure 1-3 This embodiment demonstrates a miniaturized single-fiber LC interface optical module, including an upper cover 1, a lower cover 2, screws 3, components 4, a flexible board 5, a PCBA 6, a pressure block 7, and a bracket 8.

[0022] The upper cover 1 and the lower cover 2 are connected and fixed by the hooks and screws 3 at the tail.

[0023] PCBA 6 is positioned by two semi-circular holes on the board and two semi-circular cylinders on the lower cover 2. The boss on the lower cover 2 serves to support PCBA 6.

[0024] The bracket 8 is installed in the rectangular groove of the lower cover 2, the device 4 is installed in the circular slot of the bracket 8, and the pressure block 7 is installed above the bracket 8 and holds the device 4 in place.

[0025] Device 4 is located above PCBA 6 and is connected to PCBA 6 via flexible board 5;

[0026] The included optical interface is an LC interface, located at the front of the optical module;

[0027] The included electrical ports are single-row bent-pin headers, located at the rear of the optical module;

[0028] The bottom surface of the lower housing 2 of the optical module has two positioning pins with threaded holes. Their function is to lock the optical module installed on the customer's circuit board with screws, thereby fixing the optical module.

[0029] Compared with existing technologies, this utility model uses a highly reliable and vibration-resistant optical module structure to meet the application scenarios in small spaces.

[0030] For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A miniaturized single-fiber LC interface optical module, characterized in that: Includes top cover, bottom cover, screws, components, flexible circuit board, PCBA, pressure block, and bracket; The PCBA is located on the lower shell, the components are located between the bracket and the pressure block, and the components are placed on top of the PCBA. The components and the PCBA are connected by a flexible circuit board. The bracket is installed in the lower cover and is used to load the components; The lower cover is secured to the board at the user end with fixing screws, and the electrical interface is soldered to the user board to form a highly reliable and vibration-resistant optical module structure to meet the application scenarios in small space.

2. The miniaturized single-fiber LC interface optical module according to claim 1, characterized in that: The upper and lower covers are fixedly connected.

3. The miniaturized single-fiber LC interface optical module according to claim 1, characterized in that: The upper and lower covers are fixedly connected by screws and hooks.

4. A miniaturized single-fiber LC interface optical module according to claim 1, characterized in that: Set a pressure block to hold the device in place.

5. A miniaturized single-fiber LC interface optical module according to claim 4, characterized in that: The pressure block is positioned above the support.

6. A miniaturized single-fiber LC interface optical module according to claim 1, characterized in that: The included optical interface is an LC interface, located at the front of the optical module.

7. A miniaturized single-fiber LC interface optical module according to claim 1, characterized in that: The electrical port is a single-row bent pin header located at the rear of the optical module.