Optical cable junction box with function of monitoring breakpoint fault of optical cable line

Abstract

The utility model discloses an optical cable junction box with a function of monitoring breakpoint faults of an optical cable line, which comprises a lower shell and an upper cover, the top of the lower shell is connected with the bottom of the upper cover, one end between the lower shell and the upper cover is provided with two first wire through holes, and the other end between the lower shell and the upper cover is provided with two second wire through holes. Wherein one first wire through hole is connected with an access optical cable in a clamping manner, the other first wire through hole is connected with a signal transmission line in a clamping manner, and one second wire through hole is connected with an outgoing optical cable in a clamping manner. The wire inlet end and the wire outlet end of the junction box are respectively provided with an optical fiber attenuation monitoring point, and the monitoring points are connected with external monitoring equipment through signal transmission lines, so that the optical fiber attenuation value can be monitored in real time, the function of monitoring breakpoint faults of an optical cable line is realized, manual troubleshooting is not needed, trouble and labor are saved, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of optical cable junction boxes, in particular to an optical cable junction box with the function of monitoring the breakpoint fault of an optical cable line. Background Technique

[0002] An optical cable junction box is a device used in an optical fiber communication system to connect the end or branch point of an optical cable. The traditional junction box only plays the role of optical cable connection and does not have the function of breakpoint fault detection. It requires manual inspection, which is laborious and time-consuming, and the maintenance efficiency is low. Content of the Utility Model

[0003] The purpose of the utility model is to provide an optical cable junction box with the function of monitoring the breakpoint fault of an optical cable line, so as to solve the problems in the above background technique that the traditional junction box only plays the role of optical cable connection, does not have the function of breakpoint fault detection, requires manual inspection, is laborious and time-consuming, and has low maintenance efficiency.

[0004] To achieve the above purpose, the utility model provides the following technical solution: an optical cable junction box with the function of monitoring the breakpoint fault of an optical cable line, including a lower shell and an upper cover. The top of the lower shell is connected to the bottom of the upper cover. Two first wire passing holes are opened at one end between the lower shell and the upper cover, and two second wire passing holes are opened at the other end between the lower shell and the upper cover. An access optical cable is snap-fitted in one of the first wire passing holes, and a signal transmission line is snap-fitted in the other first wire passing hole. An outgoing optical cable is snap-fitted in one of the second wire passing holes. A coupler is fixedly installed at the center inside the lower shell. A plurality of optical fibers are provided in both the access optical cable and the outgoing optical cable. One optical fiber in the access optical cable is connected to the input end of the coupler, and one optical fiber in the outgoing optical cable is connected to the output end of the coupler. The other plurality of optical fibers in the access optical cable and the other plurality of optical fibers in the outgoing optical cable are of an integral structure. Optical fiber attenuation monitoring points for fixing optical fibers are fixedly provided at the four corners inside the lower shell. The two optical fibers connected to the output end and the input end of the coupler are respectively connected to two of the optical fiber attenuation monitoring points. The signal transmission line is connected to the four optical fiber attenuation monitoring points. The access and outgoing of the optical cable are through the wire passing holes at both ends of the optical cable junction box. The optical cable junction box realizes the optical cable connection function through the internal coupler. Optical fiber attenuation monitoring points are respectively arranged at the incoming end and the outgoing end of the junction box. The monitoring points are connected to external monitoring equipment through the signal transmission line, and can monitor the optical fiber attenuation value in real time, realizing the function of monitoring the breakpoint fault of the optical cable line.

[0005] Preferably, both sides of the lower shell are fixedly connected with lower side edges, both sides of the upper cover are fixedly connected with upper side edges, a plurality of lower fixing screw holes are formed in the lower side edges, a plurality of upper fixing screw holes are formed in the upper side edges, the lower fixing screw holes correspond to the upper fixing screw holes one by one, and the upper fixing screw holes and the lower fixing screw holes are used for installing fixing screws.

[0006] Preferably, a fixing screw is threadedly connected between the corresponding lower fixing screw hole and the upper fixing screw hole, the lower shell and the upper cover are fixedly connected through the fixing screw, and the upper cover is fixed on the lower shell through the fixing screw.

[0007] Preferably, a first reinforcing rib is arranged on the lower surface of the lower shell, and a second reinforcing rib is arranged on the upper surface of the upper cover, and the structural strength of the lower shell and the upper cover is enhanced through the reinforcing ribs.

[0008] Preferably, a sealing gasket is fixedly arranged at the connection between the lower shell and the upper cover, and the connection between the lower shell and the upper cover is sealed through the sealing gasket.

[0009] Preferably, fixing pieces are fixedly arranged in both of the two first wire passing holes and the two second wire passing holes. Three of the fixing pieces are respectively connected to the incoming optical cable, the outgoing optical cable and the signal transmission line. The incoming optical cable, the outgoing optical cable and the signal transmission line are fixed through the fixing pieces, improving the stability of the wiring part of the junction box.

[0010] Preferably, optical cable protection sleeves are arranged in both of the two second wire passing holes. One of the optical cable protection sleeves is sleeved on the outgoing optical cable, and the optical cable protection sleeves are arranged in the fixing holes at both ends as required. The optical cable is protected and strengthened through the optical cable protection sleeves.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: Optical fiber attenuation monitoring points are respectively arranged at the incoming end and the outgoing end of the junction box. The monitoring points are connected to external monitoring equipment through signal transmission lines, and the optical fiber attenuation value can be monitored in real time, realizing the function of monitoring the breakage fault of the optical cable line. There is no need for manual troubleshooting, which is time-saving and labor-saving, and improves the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the present utility model;

[0013] Figure 2 is an unfolded view of the present utility model;

[0014] Figure 3 is an internal structural schematic diagram of the lower shell of the present utility model;

[0015] Figure 4 is a structural schematic diagram of the upper cover of the present utility model;

[0016] Figure 5This is a schematic structural diagram of the lower shell of the present utility model.

[0017] In the figure: 1. Lower shell; 2. Upper cover; 3. Access optical cable; 4. Outgoing optical cable; 5. Signal transmission line; 6. Coupler; 7. First wire passing hole; 8. Second wire passing hole; 9. Optical cable protective sleeve; 10. Fixing screw; 11. Upper side edge; 12. Upper fixing screw hole; 13. First reinforcing rib; 14. Lower side edge; 15. Lower fixing screw hole; 16. Optical fiber attenuation monitoring point; 17. Sealing gasket; 18. Fixing piece; 19. Second reinforcing rib. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0019] Please refer to Figures 1-5 , the present utility model provides an optical cable junction box with a function of monitoring the breakage fault of an optical cable line, including a lower shell 1 and an upper cover 2. The top of the lower shell 1 is connected to the bottom of the upper cover 2. Two first wire passing holes 7 are opened at one end between the lower shell 1 and the upper cover 2, and two second wire passing holes 8 are opened at the other end between the lower shell 1 and the upper cover 2. An access optical cable 3 is snap-fitted in one of the first wire passing holes 7, and a signal transmission line 5 is snap-fitted in the other first wire passing hole 7. An outgoing optical cable 4 is snap-fitted in one of the second wire passing holes 8. A coupler 6 is fixedly installed at the center inside the lower shell 1. A plurality of optical fibers are provided in both the access optical cable 3 and the outgoing optical cable 4. One optical fiber in the access optical cable 3 is connected to the input end of the coupler 6, and one optical fiber in the outgoing optical cable 4 is connected to the output end of the coupler 6. The other plurality of optical fibers in the access optical cable 3 and the other plurality of optical fibers in the outgoing optical cable 4 are of an integral structure. Four corners inside the lower shell 1 are fixedly provided with optical fiber attenuation monitoring points 16 for fixing optical fibers. The two optical fibers connected to the output end and the input end of the coupler 6 are respectively connected to two of the optical fiber attenuation monitoring points 16. The signal transmission line 5 is connected to the four optical fiber attenuation monitoring points 16. The optical cable junction box is composed of the lower shell 1 and the upper cover 2. A coupler 6 is installed inside the optical cable junction box. The optical cable junction box realizes the connection and branching of the optical cable through the coupler 6. Optical fiber attenuation monitoring points 16 are respectively arranged at the incoming line end and the outgoing line end of the junction box. The monitoring points are connected to external monitoring devices through the signal transmission line 5, and can monitor the optical fiber attenuation value in real time, realizing the function of monitoring the breakage fault of the optical cable line. The optical fiber attenuation monitoring point 16 is a receiving optoelectronic sensor, and the model is KDS1001AF2.

[0020] On both sides of the lower shell 1, there are fixedly connected lower side edges 14. On both sides of the upper cover 2, there are fixedly connected upper side edges 11. A plurality of lower fixing screw holes 15 are formed in the lower side edges 14, and a plurality of upper fixing screw holes 12 are formed in the upper side edges 11. The lower fixing screw holes 15 and the upper fixing screw holes 12 correspond to each other one by one. A fixing screw 10 is threadedly connected between the lower fixing screw hole 15 and the corresponding upper fixing screw hole 12. The lower shell 1 and the upper cover 2 are fixedly connected by the fixing screw 10, and the lower shell 1 and the upper cover 2 are fixed by installing the fixing screw 10.

[0021] The lower surface of the lower shell 1 is provided with a first reinforcing rib 13, and the upper surface of the upper cover 2 is provided with a second reinforcing rib 19. The structural strength of the lower shell 1 is strengthened by the first reinforcing rib 13, and the structural strength of the upper cover 2 is strengthened by the second reinforcing rib 19.

[0022] A sealing gasket 17 is fixedly arranged at the connection between the lower shell 1 and the upper cover 2, which plays a sealing role.

[0023] Fixing pieces 18 are fixedly arranged in both of the two first wire passing holes 7 and the two second wire passing holes 8. Three of the fixing pieces 18 are respectively connected to the access optical cable 3, the outgoing optical cable 4, and the signal transmission line 5. The optical cable and the signal transmission line 5 are fixed by installing the fixing pieces 18.

[0024] Optical cable protection sleeves 9 are arranged in both of the two second wire passing holes 8. One of the optical cable protection sleeves 9 is sleeved on the outgoing optical cable 4. Protection sleeves can be installed in the wire passing holes at both ends of the housing. The optical cable is protected and fixed by the optical cable protection sleeve 9.

[0025] When the embodiment of the present application is in use: The optical cable junction box is composed of the lower shell 1 and the upper cover 2. The lower shell 1 and the upper cover 2 are fixed by installing the fixing screw 10. A coupler 6 is installed inside the optical cable junction box. The optical cable junction is realized through the coupler 6. Optical fiber attenuation monitoring points 16 are respectively arranged at the incoming end and the outgoing end of the junction box. The monitoring points are connected to external monitoring devices through the signal transmission line 5, and the optical fiber attenuation value can be monitored in real time. The optical fiber attenuation value is the difference between the optical signal intensities detected by the two optical fiber attenuation monitoring points 16. The lower the optical fiber attenuation value, the weaker the signal transmission ability. When the optical fiber attenuation value reaches the normal optical signal intensity of the optical cable, it can be concluded that there is a breakage fault in the optical cable line, realizing the function of monitoring the breakage fault of the optical cable line.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An optical cable junction box with the function of monitoring the breakpoint fault of an optical cable line, comprising a lower shell (1) and an upper cover (2), characterized in that: The top of the lower shell (1) is connected to the bottom of the upper cover (2). At one end between the lower shell (1) and the upper cover (2), two first wire-through holes (7) are provided. At the other end between the lower shell (1) and the upper cover (2), two second wire-through holes (8) are provided. An access optical cable (3) is snap-fitted in one of the first wire-through holes (7), and a signal transmission line (5) is snap-fitted in the other first wire-through hole (7). An outgoing optical cable (4) is snap-fitted in one of the second wire-through holes (8). A coupler (6) is fixedly installed at the center inside the lower shell (1). A plurality of optical fibers are provided in both the access optical cable (3) and the outgoing optical cable (4). One optical fiber in the access optical cable (3) is connected to the input end of the coupler (6), and one optical fiber in the outgoing optical cable (4) is connected to the output end of the coupler (6). The other plurality of optical fibers in the access optical cable (3) and the other plurality of optical fibers in the outgoing optical cable (4) are of an integral structure. Optical fiber attenuation monitoring points (16) for fixing optical fibers are fixedly provided at the four corners inside the lower shell (1). The two optical fibers connected to the output end and the input end of the coupler (6) are respectively connected to two of the optical fiber attenuation monitoring points (16). The signal transmission line (5) is connected to the four optical fiber attenuation monitoring points (16).

2. The optical cable junction box with the function of monitoring the breakpoint fault of the optical cable line according to claim 1, wherein: Lower side edges (14) are fixedly connected to both sides of the lower shell (1), and upper side edges (11) are fixedly connected to both sides of the upper cover (2). A plurality of lower fixing screw holes (15) are provided on the lower side edges (14), and a plurality of upper fixing screw holes (12) are provided on the upper side edges (11). The lower fixing screw holes (15) and the upper fixing screw holes (12) are in one-to-one correspondence.

3. The optical cable junction box with the function of monitoring the breakpoint fault of the optical cable line according to claim 2, characterized in that: Fixing screws (10) are threadedly connected between the corresponding lower fixing screw holes (15) and upper fixing screw holes (12). The lower shell (1) and the upper cover (2) are fixedly connected by the fixing screws (10).

4. A fiber optic cable junction box with the function of monitoring the breakage fault of an optical cable line according to claim 1, characterized in that: A first reinforcing rib (13) is provided on the lower surface of the lower shell (1), and a second reinforcing rib (19) is provided on the upper surface of the upper cover (2).

5. A fiber optic cable junction box with the function of monitoring the breakage fault of the fiber optic cable line according to claim 1, characterized in that: A sealing gasket (17) is fixedly provided at the connection between the lower shell (1) and the upper cover (2).

6. The optical cable junction box with the function of monitoring the break point fault of the optical cable line according to claim 1, characterized in that: Fixing pieces (18) are fixedly provided in both of the two first wire-through holes (7) and the two second wire-through holes (8). Three of the fixing pieces (18) are respectively connected to the access optical cable (3), the outgoing optical cable (4), and the signal transmission line (5).

7. The fiber optic cable junction box with the function of monitoring the break point fault of the fiber optic cable line according to claim 1, characterized in that: Optical cable protective sleeves (9) are provided in both of the two second wire-through holes (8). One of the optical cable protective sleeves (9) is sleeved on the outgoing optical cable (4).

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