High-density optical fiber distribution box
By adopting a 19-inch three-layer pallet structure and variable-length fiber termination box design, the problem of link packet loss and disconnection during plugging and unplugging of traditional high-density fiber wiring boxes is solved, and the effect of supporting multiple specifications of fiber termination boxes and increasing the spacing of fiber ports is achieved, simplifying the plug-in process of fiber jumpers.
Patent Information
- Application Number
- CN202411586172.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-11-14
- Filing Date
- 2024-11-08
- Publication Date
- 2025-05-16
AI Technical Summary
When plugging and unplugging, traditional high-density fiber wiring boxes are prone to packet loss and disconnection of the link, and are inflexible, and cannot support optical fiber termination boxes of different specifications. The tray cannot be pulled out after the optical fiber termination box is fixed, resulting in difficulty in plugging the front-end jumper.
It adopts a 19-inch 1U-height three-layer pallet structure, with 12 slide rails at the bottom of each pallet, supporting multiple specifications of fiber optic termination boxes, slide into the pallet slide rail through the slide, and is designed through a variable-length fiber optic termination box. The front and rear parts operate independently, convenient for operation and maintenance and management.
It realizes the possibility of link packet loss and disconnection while increasing fiber link resources under the same spatial volume, supports multiple specifications of fiber termination boxes, increases the spacing between fiber ports, facilitates operation, and simplifies the plug-in process of fiber jumpers.
Smart Images
Figure CN120010075A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of optical fiber and optical cable application, and in particular relates to a high-density optical fiber distribution box. Background Art
[0002] With the explosive growth of data, people have higher and higher requirements for network speed and optical fiber, and the application of optical fiber distribution boxes is increasing. Optical fiber distribution boxes are also shifting from low-density to high-density applications.
[0003] Although the high-density application of fiber optic distribution boxes brings more fiber optic link resources in the same space volume, it also brings many problems. There is no gap between the two fiber optic ports, which can easily cause the interfaces on both sides of the plugged and unplugged connectors to be squeezed, touched or shaken during plugging and unplugging, causing problems such as link packet loss and disconnection; traditional fiber optic distribution boxes are not flexible to use, and are not friendly to fiber optic termination boxes of different specifications and cannot be changed at will; in traditional fiber optic distribution boxes, after the optical cable at the tail of the fiber optic termination box is fixed, the entire tray cannot be pulled out, making it difficult to plug in the front-end jumper. Summary of the invention
[0004] The purpose of the present invention is to provide a high-density optical fiber distribution box in order to solve the above-mentioned problems.
[0005] The technical solution adopted by the present invention is as follows: a high-density optical fiber distribution box, which adopts a 19-inch 1U height to place an upper tray 1, a middle tray 2 and a lower tray 3; the structures of the upper tray 1, the middle tray 2 and the lower tray 3 are exactly the same, and the three-layer tray is fixed on the side panels of the optical fiber distribution box body to play a supporting role. At the same time, since the pull-out method is not adopted and there is no side slide rail, the tray can maximize the placement space of the optical fiber termination box; there are 12 slide rails on each tray 4, each slide rail has a fixing device 6 at the tail end; the upper tray 1, the middle tray 2 and the lower tray 3 can slide into the 8-core fiber termination box 7, the 12-core fiber termination box 8, the 16-core fiber termination box 9 and the 24-core fiber termination box 10 through the slide 5 at the bottom of the fiber termination box, each fiber termination box is fixed on the tray by the tail fixture 6, and the 8-core fiber termination box 7, the 12-core fiber termination box 8, the 16-core fiber termination box 9 and the 24-core fiber termination box 10 adopt a self-variable length design.
[0006] In a preferred embodiment, each support plate is evenly distributed with 12 bottom slide rails 4 to support fiber optic termination boxes of various specifications: an 8-core fiber optic termination box 7 occupies two slide rails 4, which are fixed by a fixed position 16 at the rear of the termination box and a tail fixture 6; a 12-core fiber optic termination box 8 occupies three slide rails 4, which are fixed by a fixed position 16 at the rear of the termination box and a tail fixture 6; a 16-core fiber optic termination box 9 occupies four slide rails 4, which are fixed by a fixed position 16 at the rear of the termination box and a tail fixture 6; a 24-core fiber optic termination box 10 occupies six slide rails 4 , fixed by the fixed position 16 at the rear of the termination box and the rear fixture 6; each layer of the support plate can slide into 6 8-core fiber termination boxes 7 or 4 12-core fiber termination boxes 8 or 3 16-core fiber termination boxes 9 or 2 24-core fiber termination boxes 10, and the four types of fiber termination boxes can also be mixed and used as needed; the bottom slide 5 replaces the traditional side slide rail bracket, thereby leaving all the front panel area resources for the optical fiber single / dual-core coupler 30 of the optical fiber termination box, increasing the spacing between the single / dual-core coupler 30, and avoiding the influence between adjacent optical fiber ports during operation.
[0007] In a preferred embodiment, the variable-length 8-core fiber termination box 7, 12-core fiber termination box 8, 16-core fiber termination box 9 and 24-core fiber termination box 10 are divided into two parts, front and rear; the 8-core fiber termination box 7 can be divided into a front part 21 and a rear part 22; the 12-core fiber termination box 8 can be divided into a front part 23 and a rear part 24; the 16-core fiber termination box 9 can be divided into a front part 25 and a rear part 26; the 24-core fiber termination box 10 can be divided into a front part 27 and a rear part 28; the front part of the four types of fiber termination boxes has a single / dual-core coupler 30 and a connecting slide bar 11 for installing a single-core optical fiber connector, and the rear part has a multi-core coupler for installing a multi-core optical fiber connector. The coupler 31 and the connecting slide groove 12, as well as the slideway 5 for sliding into the support plate slide rail 4, are fixed with the tail fixture 6 on the support plate through the fixed card position 16 at the end; the connection methods of the front and rear parts of the four types of optical fiber termination boxes are connected by the slide rod 11 and the slide groove 12, and there is a limit card 13 at the end of the slide rod 11, a front limit card 14 at the front end of the slide groove 12, and a rear limit card 15; by pulling out the front part of the four types of optical fiber termination boxes, the limit card 13 of the slide rod 11 enters the front end limit card 14 of the slide groove 12 to realize the overall elongation of the optical fiber termination box; by pushing the front part in, the limit card 13 of the slide rod 11 enters the rear end limit card 15 of the slide groove 12 to realize The overall shortening of the optical fiber termination box is now achieved; the 8-core optical fiber termination box 7 can be connected to an optical cable that is converted from an 8-core optical fiber connector to 8 single-core optical fiber connectors, the 12-core optical fiber termination box 8 can be connected to an optical cable that is converted from a 12-core optical fiber connector to 12 single-core optical fiber connectors, the 16-core optical fiber termination box 9 can be connected to an optical cable that is converted from a 16-core optical fiber connector to 16 single-core optical fiber connectors or two optical cables that are converted from 8 single-core optical fiber connectors, and the 24-core optical fiber termination box 10 can be connected to an optical cable that is converted from a 24-core optical fiber connector to 24 single-core optical fiber connectors or two optical cables that are converted from 12-core optical fiber connectors to 12 single-core optical fiber connectors or three 8-core optical fibers. The optical cable is converted into 8 single-core fiber connectors to realize the corresponding fiber interface and fiber channel through the coupler and connector. When installing the optical cable of the multi-core connector to the single-core connector of the above part, attention should be paid to the reserved length when the optical terminal box becomes longer; the multi-core connector of the trunk cable is inserted into the multi-core fiber interface at the rear end of the optical terminal box, and the single / double-core connector of the optical jumper at the equipment end is connected to the single / double-core fiber interface at the front end of the optical terminal box. When it is necessary to operate the fiber jumper connected at the front end, just pull out the corresponding fiber termination box to perform the corresponding plug-in and unplug operation. After the operation is completed, push the fiber termination box in again, which will neither affect the adjacent fiber termination boxes nor the access of the rear trunk optical fiber.
[0008] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:
[0009] 1. In the present invention, each optical distribution box adopts a 19-inch three-layer tray structure, and each tray bottom adopts 12 slide rails; all panel area resources are reserved for single / dual-core couplers, increasing the spacing between single / dual-core couplers, facilitating operation, and reducing the possibility of misoperation; it can be connected to optical fiber termination boxes of various specifications such as 8-core, 12-core, 16-core, and 24-core.
[0010] 2. In the present invention, the variable-length optical fiber termination box separates the front and rear parts of the optical fiber termination box and operates them independently. When the front part is pulled out or pushed in, it does not affect the connection of the rear trunk link, which is convenient for operation and management; and reduces the original fault domain from all the optical fiber interfaces on a layer of tray to all the optical fiber interfaces on one termination box. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 is the general assembly diagram of the present invention; Figure 2 —— Figure 1 A top view of Figure 3 - trays, slide rails and tail holders; Figure 4 ——Assembly diagram, shortened structure diagram, variable length structure diagram and front and rear exploded diagram of 8-core fiber termination box; Figure 5 ——12-core fiber termination box assembly diagram, shortened structure diagram, variable length structure diagram and front and rear part exploded diagram; Figure 6 ——16-core fiber termination box assembly diagram, shortened structure diagram, variable length structure diagram and front and rear part exploded diagram; Figure 7 ——Assembly diagram, shortened structure diagram, variable length structure diagram and front and rear exploded diagram of 24-core fiber termination box; Figure 8 ——Characteristic diagram of tail fixed structure
[0012] Markings in the figure: 1-upper tray, 2-middle tray, 3-lower tray, 4-slide rail, 5-slideway, 6-tail holder, 7-8-core fiber termination box, 8-12-core fiber termination box, 9-16-core fiber termination box, 10-24-core fiber termination box, 11-slide bar, 12-slide slot, 13-limiting card on the slide bar, 14-front limiting card on the slide slot, 15-rear limiting card on the slide slot, 16-terminal box fixing Fixed card position, 21-8-core fiber termination box front part, 22-8-core fiber termination box rear part, 23-12-core fiber termination box front part, 24-12-core fiber termination box rear part, 25-16-core fiber termination box front part, 26-12-core fiber termination box rear part, 27-24-core fiber termination box front part, 28-24-core fiber termination box rear part, 30-single / dual-core coupler, 31-multi-core coupler. DETAILED DESCRIPTION
[0013] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4, Figure 5 , Figure 6 , Figure 7 and Figure 8
[0014] Implementation plan:
[0015] The implementation scheme adopted by the present invention is as follows: a high-density fiber optic distribution box, which adopts a 19-inch 1U height to place an upper tray 1, a middle tray 2 and a lower tray 3; the structures of the upper tray 1, the middle tray 2 and the lower tray 3 are exactly the same, and the three trays are fixed on the two side panels of the fiber optic distribution box body to play a supporting role; there are 12 slide rails 4 on each tray, and a fixer 6 is provided at the tail of each slide rail; the fiber optic termination box slides into the tray slide rail 4 through the slide 5, and each tray can slide into 6 8-core fiber optic termination boxes 7 or 4 12-core fiber optic termination boxes 8 or 3 16-core fiber optic termination boxes 9 or 2 24-core fiber optic termination boxes 10, and the four types of fiber optic termination boxes can also be mixed and used as needed, and each fiber optic termination box is fixed to the tray by the tail fixer 6.
[0016] In a preferred embodiment, each tray has 12 evenly distributed bottom slide rails 4 to support fiber optic termination boxes of various specifications: an 8-core fiber optic termination box 7 occupies two slide rails 4, and is fixed to the tail fixture 6 via a fixed position 16 at the rear of the termination box; a 12-core fiber optic termination box 8 occupies three slide rails 4, and is fixed to the tail fixture 6 via a fixed position 16 at the rear of the termination box; a 16-core fiber optic termination box 9 occupies four slide rails 4, and is fixed to the tail fixture 6 via a fixed position 16 at the rear of the termination box; and a 24-core fiber optic termination box 10 occupies six slide rails 4, and is fixed to the tail fixture 6 via a fixed position 16 at the rear of the termination box.
[0017] In a preferred embodiment, the variable-length 8-core fiber termination box 7, 12-core fiber termination box 8, 16-core fiber termination box 9 and 24-core fiber termination box 10 are divided into two parts, front and rear; the 8-core fiber termination box 7 can be divided into a front part 21 and a rear part 22; the 12-core fiber termination box 8 can be divided into a front part 23 and a rear part 24; the 16-core fiber termination box 9 can be divided into a front part 25 and a rear part 26; the 24-core fiber termination box 10 can be divided into a front part 27 and a rear part 28; the front part of the four types of fiber termination boxes has a single / double-ended connector for installing a single-core optical fiber connector. The core coupler 30 and the connecting slide rod 11, the rear part has a multi-core coupler 31 and a connecting slide groove 12 for installing a multi-core optical fiber connector, and is fixed to the tail fixture 6 on the pallet through the fixed card position 16 at the end; the connection mode of the front and rear parts of the four types of optical fiber termination boxes are connected by the slide rod 11 and the slide groove 12, and there is a limit card 13 at the end of the slide rod 11, a limit card 14 at the front end of the slide groove 12, and a limit card 15 at the rear end; by pulling out the front part of the four types of optical fiber termination boxes, the limit card 13 of the slide rod 11 enters the front end limit card 14 of the slide groove 12 to realize The overall extension of the optical fiber termination box is realized; by pushing the front part in, the limit card 13 of the slide bar 11 enters the rear limit card 15 of the slide groove 12 to realize the overall shortening of the optical fiber termination box; the 8-core optical fiber termination box 7 can be connected to an optical cable that is converted from an 8-core optical fiber connector to 8 single-core optical fiber connectors, the 12-core optical fiber termination box 8 can be connected to an optical cable that is converted from a 12-core optical fiber connector to 12 single-core optical fiber connectors, and the 16-core optical fiber termination box 9 can be connected to an optical cable that is converted from a 16-core optical fiber connector to 16 single-core optical fiber connectors or two 8-core optical fiber connectors to 8 single-core The optical cable of the optical fiber connector, the 24-core optical fiber termination box 10 can be connected to a 24-core optical fiber connector converted into a 24-core optical fiber connector cable or two 12-core optical fiber connectors converted into 12 single-core optical fiber connectors or three 8-core optical fiber connectors converted into 8 single-core optical fiber connectors, so as to realize the corresponding optical fiber interface and optical fiber channel formed by the coupler and the connector. The multi-core connector of the trunk cable is convenient to insert into the multi-core optical fiber interface at the rear end of the optical terminal box, and the single / double-core connector of the optical jumper at the equipment end is flexibly and conveniently connected to the single / double-core optical fiber interface at the front end of the optical terminal box. When installing the optical cable of the multi-core connector to the single-core connector of the above part, it is necessary to pay attention to the reserved length when the optical terminal box becomes longer.
[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:
[0019] 1. In the present invention, each optical distribution box adopts a 19-inch three-layer tray structure, and each tray bottom adopts 12 slide rails; all panel area resources are reserved for optical fiber ports, increasing the spacing between optical fiber ports; and optical fiber termination boxes of various specifications such as 8-core, 12-core, 16-core, and 24-core can be connected.
[0020] 2. In the present invention, the variable-length fiber optic termination box separates the front and rear ends of the fiber optic termination box. When the front part is pulled out or pushed in, it does not affect the connection of the rear trunk link, which is convenient for operation and management; and reduces the original fault domain from all the fiber optic interfaces on a layer of tray to all the fiber optic interfaces on a fiber optic termination box.
Claims
1. A high-density optical fiber distribution box, characterized in that: The 19-inch 1U height can be used to place an upper tray (1), a middle tray (2) and a lower tray (3); the structures of the upper tray (1), the middle tray (2) and the lower tray (3) are completely the same, and the three trays are fixed on the two side panels of the optical fiber distribution box to play a supporting role; each tray has 12 slide rails (4), and each slide rail has a fixing device (6) at the tail; the upper tray (1), the middle tray (2) and the lower tray (3) An 8-core optical fiber termination box (7), a 12-core optical fiber termination box (8), a 16-core optical fiber termination box (9) and a 24-core optical fiber termination box (10) can be slid in through a slideway (5) at the bottom of the optical fiber termination box. Each optical fiber termination box is fixed on a support plate through a tail fixture (6). The 8-core optical fiber termination box (7), the 12-core optical fiber termination box (8), the 16-core optical fiber termination box (9) and the 24-core optical fiber termination box (10) are designed to be variable in length.
2. A high-density optical fiber distribution box as claimed in claim 1, characterized in that: The upper tray (1), the middle tray (2) and the lower tray (3) are evenly distributed with 12 bottom slide rails (4) to support the sliding in of optical fiber termination boxes of various specifications: the 8-core optical fiber termination box (7) occupies two slide rails (4) and is fixed by the fixed clamping position (16) at the rear of the termination box and the rear fixture (6) on the tray; the 12-core optical fiber termination box (8) occupies three slide rails (4) and is fixed by the fixed clamping position (16) at the rear of the termination box and the rear fixture (6) on the tray; the 16-core optical fiber termination box (9) occupies four slide rails (4) and is fixed by the fixed clamping position (16) at the rear of the termination box and the rear fixture (6) on the tray; and the 24-core optical fiber termination box (10) occupies six slide rails (4) and is fixed by the fixed clamping position (16) at the rear of the termination box and the rear fixture (6) on the tray.
3. A high-density optical fiber distribution box as claimed in claim 1, characterized in that: The variable-length 8-core fiber termination box (7), 12-core fiber termination box (8), 16-core fiber termination box (9) and 24-core fiber termination box (10) are divided into two parts, front and rear. The 8-core fiber termination box (7) can be divided into a front part (21) and a rear part (22). The 8-core fiber termination box has a front part (21); the 12-core fiber termination box (8) can be divided into a front part (23) and a rear part (24); the 16-core fiber termination box (9) can be divided into a front part (25) and a rear part (26); the 24-core fiber termination box (10) can be divided into a front part (27) and a rear part (28); the front part of the four types of fiber termination boxes has a single / double-core coupler (30) and a connecting slide bar (11) for installing a single-core fiber connector, and the rear part has a multi-core coupler (31) for installing a multi-core fiber connector. and a connecting slide groove (12), and a slideway (5) for sliding into the support plate slide rail (4) and being fixed to the tail fixer (6) on the support plate through a fixed clamping position (16) at the end; the front and rear parts of the four types of optical fiber termination boxes are connected by a slide rod (11) and a slide groove (12), and a limit clamp (13) is provided at the end of the slide rod (11), and a front limit clamp (14) and a rear limit clamp (15) are provided at the front end of the slide groove (12); the optical fiber termination box is extended as a whole by pulling out the front parts of the four types of optical fiber termination boxes, and the limit clamp (13) of the slide rod (11) enters the front limit clamp (14) of the slide groove (12); and the optical fiber termination box is shortened as a whole by pushing the front part in, and the limit clamp (13) of the slide rod (11) enters the rear limit clamp (15) of the slide groove (12).