Optical fiber line protection system

Abstract

The utility model provides an optical fiber line protection system, an optical fiber switching unit is arranged between an optical signal input unit and an optical fiber performance monitoring unit, the optical fiber switching unit comprises an adjusting installation shell, a switching mechanism and an adjusting optical cable, one end of the adjusting installation shell is provided with an output connector connected with the optical fiber performance monitoring unit, and the other end of the adjusting installation shell is provided with an optical cable. The other end of the adjusting installation shell is provided with a plurality of input connectors connected with the optical signal input unit in parallel, the switching mechanism is arranged in the adjusting installation shell, a winding cavity is formed in the side, close to the output connector, in the adjusting installation shell, and the adjusting optical cable is spirally arranged in the winding cavity. And the switching mechanism controls the adjusting optical cable to be switched among the plurality of input connectors. According to the scheme, the optical fiber signal quality in the current path can be detected through the arranged optical fiber performance detection unit; when the optical fiber performance detection unit detects that the current optical fiber on-off signal quality is abnormal, data can be fed back, and then the optical fiber switching unit is operated to switch an optical fiber line.

Description

Technical Field

[0001] The present disclosure relates to the technical field of optical communication equipment, and in particular to an optical fiber line protection system. Background Art

[0002] With the rapid development of optical communications, the number of ODF rack ports in communication rooms is large, the interconnection relationship is complex, and the room management work is complicated and time-consuming. If a single optical fiber fails during use, it will not be able to operate normally, thereby affecting work efficiency and reducing the equipment experience. Therefore, multiple groups of optical fibers are set in the prior art. When a single optical fiber fails, switching other optical fibers can quickly restore the normal use of the equipment. However, the switching device in the prior art has a complex structure and low reliability, and cannot achieve rapid switching of multiple groups of optical fibers. Therefore, it is necessary to provide a protection system that can automatically switch optical fiber connection lines. Utility Model Content

[0003] To solve the above technical problems, an embodiment of the present disclosure provides an optical fiber line protection system, comprising an optical signal input unit connected to an external main optical fiber cable, an optical signal output unit connected to the inside, and an optical fiber performance monitoring unit, wherein the optical signal input unit, the optical fiber performance monitoring unit, and the optical signal output unit are connected in sequence, and further comprising an optical fiber switching unit arranged between the optical signal input unit and the optical fiber performance monitoring unit, wherein the optical fiber switching unit comprises an adjusting mounting shell, a switching mechanism, and an adjusting optical cable, wherein one end of the adjusting mounting shell is provided with an output connector connected to the optical fiber performance monitoring unit, and the other end of the adjusting mounting shell is provided with a plurality of input connectors connected to the optical signal input unit, wherein the switching mechanism is arranged in the adjusting mounting shell, a winding cavity is arranged on one side of the adjusting mounting shell close to the output connector, and the adjusting optical cable is spirally arranged in the winding cavity, one end of the adjusting optical cable is connected to the output connector, and the other end is connected to the switching mechanism, and the switching mechanism controls the adjusting optical cable to switch between a plurality of input connectors.

[0004] The switching mechanism includes a lateral adjustment component, and several of the input connectors are transversely arranged on the adjustment mounting shell. The lateral adjustment component is arranged along the arrangement direction of the several input connectors. The lateral adjustment component includes an adjusting screw, an adjusting slider and an adjusting motor. The adjusting screw is rotatably arranged in the adjustment mounting shell, and a screw sleeve that fits with the adjusting screw is arranged on the adjusting slider. The adjusting motor is arranged in the adjustment mounting shell, and the adjusting motor is transmission-connected to the adjusting screw. The rotation of the adjusting screw drives the adjusting slider to perform transverse adjustment in the adjustment mounting shell.

[0005] In some embodiments, a winding partition is provided in the winding cavity, the winding partition divides the winding cavity into upper and lower areas, a notch is provided on the winding partition, a winding slope is provided on the notch of the winding partition, the winding slope connects the upper and lower areas of the winding cavity, and the adjustment optical cable reaches the lower area of ​​the winding cavity through the upper area of ​​the winding cavity and the winding slope.

[0006] In some embodiments, a limiting sliding groove is laterally arranged on the inner side of the adjustment mounting shell, and the adjustment slider is embedded in the limiting sliding groove and is relatively slidably connected with the limiting sliding groove.

[0007] In some embodiments, the switching mechanism includes a plug-in assembly, which includes a plug-in connection block, a plug-in slide, a plug-in motor and a plug-in gear. The plug-in slide is fixedly installed on the upper end of the adjusting slider, the plug-in connection block is slidably arranged in the plug-in slide, and a rack is rotatably arranged at the side end of the plug-in slide. The plug-in gear is meshed with the rack, and the plug-in motor is transmission-connected with the plug-in gear. The plug-in motor drives the plug-in gear to rotate, and the rotation of the plug-in gear drives the plug-in connection block to move in the plug-in slide, and the adjusting optical cable is connected to the plug-in connection block.

[0008] In some embodiments, the inner side wall of the plug-in slide cylinder and the outer side wall of the plug-in connection block are provided with plug-in notches and plug-in slide blocks that slide in cooperation with each other.

[0009] The beneficial effects of the utility model are as follows: the optical fiber switching unit comprises an adjusting installation shell, a switching mechanism and an adjusting optical cable, and a winding cavity is arranged in the adjusting installation shell, so as to prevent the optical cable from being broken and damaged when the switching mechanism switches the connection position of the adjusting optical cable.

[0010] Second, the optical fiber performance detection unit can detect the quality of the optical fiber signal in the current path. When it detects that the quality of the current optical fiber on-off signal is abnormal, it can feedback the data and then operate the optical fiber switching unit to switch the optical fiber line.

[0011] Third: the lateral adjustment component and the plug-in component of the switching mechanism realize the adjustment of the docking position of the optical cable. The plug-in component moves back and forth to adjust the optical cable connection to the plug-in connection block, realizing the automatic plug-in and pull-out operation of the plug-in connection block. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a block diagram of the optical fiber line protection system;

[0013] Figure 2 It is a schematic diagram of the overall structure of the optical fiber switching unit;

[0014] Figure 3 is a cross-sectional view of the internal structure of the optical fiber switching unit;

[0015] Figure 4 It is a schematic diagram of the internal structure of the optical fiber switching unit when the adjustment installation shell is not installed;

[0016] Figure 5 is a structural schematic diagram of a switching mechanism;

[0017] Figure 6 is a schematic diagram showing the structure of the switching mechanism of the plug-in connection block;

[0018] Figure 7 It is a schematic diagram of the split structure of the optical fiber switching unit.

[0019] Figure numerals: adjusting mounting shell 1, winding partition 11, winding slope 111, limiting slide groove 12, adjusting optical cable 2, output connector 3, input connector 4, lateral adjustment assembly 5, adjusting screw rod 51, adjusting slider 52, adjusting motor 53, plug-in assembly 6, plug-in connection block 61, rack 611, plug-in slide cylinder 62, plug-in motor 63, plug-in gear 64. DETAILED DESCRIPTION

[0020] like Figure 1-7 As shown, a fiber optic line protection system includes an optical signal input unit connected to an external main optical fiber cable, an optical signal output unit connected to the inside, an optical fiber performance monitoring unit and an optical fiber switching unit, wherein the optical signal input unit, the optical fiber performance monitoring unit and the optical signal output unit are connected in sequence, and the optical fiber switching unit is arranged between the optical signal input unit and the optical fiber performance monitoring unit.

[0021] The optical fiber switching unit includes an adjusting installation shell 1, a switching mechanism and an adjusting optical cable 2. One end of the adjusting installation shell 1 is provided with an output connector 3 connected to the optical fiber performance monitoring unit, and the other end of the adjusting installation shell 1 is provided with a plurality of input connectors 4 connected to the optical signal input unit. The switching mechanism is arranged in the adjusting installation shell 1, and a winding cavity is arranged on one side of the adjusting installation shell 1 close to the output connector 3. The adjusting optical cable 2 is spirally arranged in the winding cavity. One end of the adjusting optical cable 2 is connected to the output connector 3, and the other end is connected to the switching mechanism. The switching mechanism controls the adjusting optical cable 2 to switch between the plurality of input connectors 4.

[0022] When in use, the optical fiber is controlled by the optical fiber switching unit to connect with one of the input connectors 4, which can meet the communication of the optical fiber line. When the optical fiber line fails, the optical fiber switching unit is started to control the optical fiber to connect with other input connectors 4, thereby ensuring the normal communication of the optical fiber signal. The optical fiber performance detection unit is set up to detect the quality of the optical fiber signal in the current path. When the optical fiber performance detection unit detects that the quality of the current optical fiber on-off signal is abnormal, the data can be fed back and then the optical fiber switching unit can be operated to switch the optical fiber line.

[0023] The optical fiber performance monitoring unit in this solution can adopt the optical fiber performance monitoring equipment in the prior art, which can adopt the structural equipment provided in the patent with announcement number CN212875802U, so as to meet its monitoring of optical fiber performance.

[0024] A winding partition 11 is provided in the winding cavity, and the winding partition 11 divides the winding cavity into an upper and lower area. A notch is provided on the winding partition 11, and a winding slope 111 is provided on the notch of the winding partition 11. The winding slope 111 connects the upper and lower areas of the winding cavity. The adjustment optical cable 2 reaches the lower area of ​​the winding cavity through the upper area of ​​the winding cavity and the winding slope 111. The adjustment optical cable 2 is a shorter section in the upper area of ​​the winding cavity and is not coiled and knotted, and the remaining extra length is spirally coiled in the lower area of ​​the winding cavity.

[0025] Furthermore, the output connector 3 in the present embodiment can be connected to the lower area of ​​the winding cavity. At this time, the adjustment optical cable 2 is coiled from the lower area of ​​the winding cavity, and spirally extends to the upper area of ​​the winding cavity through the winding slope 111, and is connected to the optical fiber switching unit. When the adjustment optical cable 2 is driven to move by the optical fiber switching unit during use, the adjustment optical cable 2 can be flexibly adjusted and moved, thereby preventing the moving optical cable from bending and breaking in the winding cavity.

[0026] The switching mechanism includes a transverse adjustment component 5, a plurality of input connectors 4 are transversely arranged on the adjustment installation shell 1, and the transverse adjustment component 5 is arranged along the arrangement direction of the plurality of input connectors 4. The transverse adjustment component 5 includes an adjustment screw 51, an adjustment slider 52 and an adjustment motor 53. The adjustment screw 51 is rotatably arranged in the adjustment installation shell 1, and a screw sleeve that fits with the adjustment screw 51 is arranged on the adjustment slider 52. The adjustment motor 53 is arranged in the adjustment installation shell 1, and the adjustment motor 53 is connected with the adjustment screw 51 in a transmission manner. The rotation of the adjustment screw 51 drives the adjustment slider 52 to perform transverse adjustment in the adjustment installation shell 1. When in use, the adjustment motor 53 can drive the adjustment screw 51 to rotate, and then the adjustment screw 51 cooperates with the screw sleeve on the adjustment slider 52, so that the adjustment slider 52 moves transversely along the adjustment screw 51 in the adjustment installation shell 1, and the docking position of the adjustment optical cable 2 is adjusted.

[0027] Furthermore, the adjustment motor 53 in the present embodiment adopts a servo motor, which can accurately control the number of rotations of the adjustment screw 51, thereby accurately controlling the moving position of the adjustment slider 52, making it easy to adjust the optical cable 2 and the input connector 4 at the corresponding position to connect with each other, thereby improving the docking stability of the equipment.

[0028] Optionally, the adjusting motor 53 and the adjusting screw 51 in this solution can be matched with mutually meshing bevel gears, so that the adjusting motor 53 can transmit power to the adjusting screw 51 from all angles, thereby improving the integration of the equipment.

[0029] A limiting slot 12 is laterally arranged on the inner side of the adjusting mounting shell 1, and the adjusting slider 52 is slidably embedded in the limiting slot 12. The adjusting slider 52 slides in the limiting slot 12, and the adjusting slider 52 is limited by the limiting slot 12, thereby improving the stability of the adjusting slider 52 when moving.

[0030] The switching mechanism includes a plug-in assembly 6, which includes a plug-in connection block 61, a plug-in slide 62, a plug-in motor 63 and a plug-in gear 64. The plug-in slide 62 is fixedly installed on the upper end of the adjusting slider 52, the plug-in connection block 61 is slidably arranged in the plug-in slide 62, the side end of the plug-in connection block 61 is provided with a rack 611, the plug-in gear 64 is rotatably arranged at the side end of the plug-in slide 62, the plug-in gear 64 and the rack 611 are meshed with each other, the plug-in motor 63 is transmission-connected with the plug-in gear 64, the plug-in motor 63 drives the plug-in gear 64 to rotate, and the plug-in gear 64 rotates to drive the plug-in connection block 61 to move in the plug-in slide 62, the adjusting optical cable 2 is connected to the plug-in connection block 61, and the plug-in and pull-out operations of the plug-in connection block 61 can be realized through the mutual cooperation of the plug-in gear 64 and the plug-in rack 611.

[0031] Furthermore, a medium for light transmission is provided in the middle of the plug-in connection block 61 , so that the light signal can stably pass through the plug-in connection block 61 , thereby improving the light signal transmission stability of the optical fiber line protection system.

[0032] The inner wall of the plug-in slide 62 is provided with a plug-in notch, and the outer wall of the plug-in connection block 61 is provided with a plug-in slider that fits with the plug-in notch. The plug-in notch and the plug-in slider cooperate with each other to enable the plug-in slider to slide stably in the plug-in slide 62.

Claims

1. An optical fiber line protection system, comprising an optical signal input unit connected to an external main optical fiber cable, an optical signal output unit connected to an internal optical fiber cable, and an optical fiber performance monitoring unit, wherein the optical signal input unit, the optical fiber performance monitoring unit, and the optical signal output unit are connected in sequence, characterized in that: It also comprises an optical fiber switching unit arranged between the optical signal input unit and the optical fiber performance monitoring unit, the optical fiber switching unit comprising an adjustment installation shell (1), a switching mechanism and an adjustment optical cable (2), one end of the adjustment installation shell (1) being provided with an output connector (3) connected to the optical fiber performance monitoring unit, the other end of the adjustment installation shell (1) being provided with a plurality of input connectors (4) connected to the optical signal input unit, the switching mechanism being arranged in the adjustment installation shell (1), a winding cavity being arranged on one side of the adjustment installation shell (1) close to the output connector (3), the adjustment optical cable (2) being spirally arranged in the winding cavity, one end of the adjustment optical cable (2) being connected to the output connector (3), and the other end being connected to the switching mechanism, the switching mechanism controlling the adjustment optical cable (2) to switch between the plurality of input connectors (4); The switching mechanism comprises a transverse adjustment component (5), a plurality of the input connectors (4) are transversely arranged on the adjustment mounting shell (1), the transverse adjustment component (5) is arranged along the arrangement direction of the plurality of input connectors (4), the transverse adjustment component (5) comprises an adjustment screw (51), an adjustment slider (52) and an adjustment motor (53), the adjustment screw (51) is rotatably arranged in the adjustment mounting shell (1), the adjustment slider (52) is provided with a screw sleeve that fits with the adjustment screw (51), the adjustment motor (53) is arranged in the adjustment mounting shell (1), the adjustment motor (53) is transmission-connected to the adjustment screw (51), and the adjustment screw (51) rotates to drive the adjustment slider (52) to perform transverse adjustment in the adjustment mounting shell (1).

2. The optical fiber line protection system according to claim 1, characterized in that: A winding partition (11) is provided in the winding cavity, the winding partition (11) divides the winding cavity into upper and lower areas, a notch is provided on the winding partition (11), a winding slope (111) is provided on the notch of the winding partition (11), the winding slope (111) connects the upper and lower areas of the winding cavity, and the adjustment optical cable (2) reaches the lower area of ​​the winding cavity through the upper area of ​​the winding cavity and the winding slope (111).

3. The optical fiber line protection system according to claim 1, characterized in that: A limit slide groove (12) is transversely arranged on the inner side of the adjustment mounting shell (1), and the adjustment sliding block (52) is embedded in the limit slide groove (12) and is slidably connected to the limit slide groove (12).

4. The optical fiber line protection system according to claim 1, characterized in that: The switching mechanism comprises a plug-in assembly (6), the plug-in assembly (6) comprising a plug-in connection block (61), a plug-in slide cylinder (62), a plug-in motor (63) and a plug-in gear (64); the plug-in slide cylinder (62) is fixedly mounted on the upper end of the adjustment slider (52); the plug-in connection block (61) is slidably arranged in the plug-in slide cylinder (62); a rack (611) is arranged at a side end of the plug-in connection block (61); the plug-in gear (64) is rotatably arranged at a side end of the plug-in slide cylinder (62); the plug-in gear (64) and the rack (611) are meshed with each other; the plug-in motor (63) is transmission-connected to the plug-in gear (64); the plug-in motor (63) drives the plug-in gear (64) to rotate; the plug-in gear (64) rotates and drives the plug-in connection block (61) to move in the plug-in slide cylinder (62); and the adjustment optical cable (2) is connected to the plug-in connection block (61).

5. The optical fiber line protection system according to claim 4, characterized in that: The inner side wall of the plug-in slide cylinder (62) and the outer side wall of the plug-in connection block (61) are provided with plug-in notches and plug-in slide blocks that slide in cooperation with each other.

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