Concrete drain pipe optical cable fixing and observing structure
By setting up a waterproof observation window and sealing strip in the concrete drainage pipe, the problem of easy damage and inconvenient observation of optical cables is solved, the stability and maintenance convenience of optical cables are improved, and the life of optical cables is extended.
Patent Information
- Application Number
- CN202422403810.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The traditional optical cable laying method is not isolated from the outside world in the concrete drainage pipe, and is susceptible to rats and floods, and is not convenient to observe the optical cable laying situation, affecting the fiber life and sensing effect.
A concrete drainage pipe optical cable fixing and observation structure is designed, including waterproof observation window, drainage folding groove and sealing strip. By setting observation groove, drainage folding groove and placement groove on the concrete drainage pipe body, waterproof observation window made of polycarbonate material and sealing strip made of ethylene propylene rubber provide stable placement space and sealing protection.
The consistency and stability of optical cable laying are achieved, which is convenient for observation and maintenance, avoiding the entry of water vapor and debris, extending the life of optical cables, and keeping the operating environment of optical cables dry.
Smart Images

Figure CN223092190U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical fiber sensing laying, in particular to a fixing and observing structure for an optical cable of a concrete drain pipe. Background Technique
[0002] At present, optical fiber sensing is applied to multiple application scenarios such as pipeline leakage monitoring, subgrade settlement monitoring, vehicle flow and speed monitoring on highway networks, etc. After the optical cable of the concrete drain pipe is connected to the acoustic wave demodulator, the sediment congestion situation of the pipeline can be evaluated, and the optical cable laying method will affect the optical fiber life and sensing effect.
[0003] Traditional laying methods such as laying in the same trench as the cable and direct burial are not isolated from the outside world, are greatly affected by rodent damage and flooding, and it is inconvenient to observe the laying situation of the optical cable. Therefore, a fixing and observing structure for an optical cable of a concrete drain pipe is proposed, which improves the consistency of optical fiber laying and the convenience of optical fiber maintenance. Summary of the Invention
[0004] The technical problem to be solved by the utility model is to provide a fixing and observing structure for an optical cable of a concrete drain pipe, which can effectively solve the problems in the prior art.
[0005] The technical solution adopted by the utility model is: a fixing and observing structure for an optical cable of a concrete drain pipe, including a concrete drain pipe body, an observation groove is opened on the outer side of the concrete drain pipe body, a drainage folding groove is fixedly connected inside the concrete drain pipe body, a placement groove is opened at the upper end of the drainage folding groove, a drainage hole is opened at the upper end of the placement groove, a fixing strip one is fixedly connected to the right side of the drainage folding groove, a sealing strip one is fixedly connected to the upper end of the fixing strip one, a fixing strip two is fixedly connected to the upper end of the drainage folding groove, a sealing strip two is fixedly connected to the upper end of the fixing strip two, a movable hinge is fixedly connected to the outer side of the concrete drain pipe body, the concrete drain pipe body is rotationally connected with a waterproof observation window through the movable hinge, a handle is fixedly connected to the outer side of the waterproof observation window, and an armored optical cable is placed at the upper end of the drainage folding groove.
[0006] Preferably, the observation groove corresponds to the fixing strip one, the sealing strip one, the fixing strip two, the sealing strip two, the movable hinge, the waterproof observation window and the handle.
[0007] Through the above technical solution, a waterproof observation window is provided, which can intuitively display the state of the armored optical cable.
[0008] Preferably, the width of the waterproof observation window is 1m - 1.2m, and one waterproof observation window is arranged every 50m along the direction of the concrete drain pipe body.
[0009] Through the above technical solution, a waterproof observation window is set at intervals. When laying the armored optical cable, it is placed at the upper end of the drainage fold groove to maintain the consistency of laying. When the armored optical cable is damaged, the handle can be pulled to open the waterproof observation window to check the position of the broken fiber of the armored optical cable for separate fiber fusion repair.
[0010] Preferably, the waterproof observation window is made of polycarbonate material.
[0011] Through the above technical solution, the waterproof observation window is made of polycarbonate material, which is firm, durable, has high transparency and is conducive to inspection.
[0012] Preferably, the vertical cross-section of the drainage fold groove is in an "L" shape, and both the first sealing strip and the second sealing strip are made of ethylene propylene diene monomer (EPDM) rubber.
[0013] Through the above technical solution, the vertical cross-section of the drainage fold groove is in an "L" shape, which can provide a stable placement space for the armored optical cable, separate the drainage area inside the concrete drain pipe body from the placement area of the armored optical cable, and is very practical. The drainage fold groove can be constructed in sections, greatly increasing the construction convenience. The first sealing strip and the second sealing strip made of ethylene propylene diene monomer (EPDM) rubber are provided. When the waterproof observation window is closed, the first sealing strip and the second sealing strip provide sealing to prevent water vapor, moisture, sundries and animals from entering the placement space, providing protection for the armored optical cable.
[0014] Preferably, the width of the placement groove is 30 mm - 35 mm, the cross-section of the placement groove is in an arc shape, and the diameter of the armored optical cable adapted to the placement groove is 10 mm - 40 mm.
[0015] Through the above technical solution, an arc-shaped placement groove is set, which can ensure that the armored optical cable is stably placed in the placement groove and maintain the consistency of laying the armored optical cable.
[0016] Preferably, the diameter of the drainage hole is 2 mm - 3 mm, and one drainage hole is set every 10 m along the direction of the concrete drain pipe body.
[0017] Through the above technical solution, drainage holes are set, which can discharge the accumulated water along with the concrete drainage pipe, avoid the damage of the accumulated water to the armored optical cable, and ensure the dryness of the optical cable operation environment.
[0018] Compared with the prior art, the utility model provides a structure for fixing and observing an optical cable in a concrete drain pipe, which has the following beneficial effects:
[0019] 1. For the cable fixing and observation structure of the concrete drain pipe, a waterproof observation window is set at intervals. When laying the armored cable, it is placed at the upper end of the drainage fold groove to maintain the consistency of laying. When the armored cable is damaged, the handle can be pulled to open the waterproof observation window to check the breakage position of the armored cable, and separate fusion splicing repair can be carried out. The waterproof observation window is made of polycarbonate material, which is strong, durable, has high transparency, can visually display the armored cable, and is conducive to troubleshooting. Sealing strips one and two made of ethylene propylene diene monomer rubber are provided. When the waterproof observation window is closed, sealing strips one and two provide sealing to prevent water vapor, moisture, sundries and animals from entering the placement space, providing protection for the armored cable.
[0020] 2. For the cable fixing and observation structure of the concrete drain pipe, the vertical cross-section of the drainage fold groove is in an "L" shape, which can provide a stable placement space for the armored cable, separate the drainage area inside the concrete drain pipe body from the placement area of the armored cable, and is very practical. The drainage fold groove can be constructed in sections, greatly increasing the construction convenience. An arc-shaped placement groove is set to ensure that the armored cable is stably placed in the placement groove, maintaining the consistency of the armored cable laying. Drainage holes are set to drain the accumulated water along with the concrete drainage pipe, avoiding damage to the armored cable caused by accumulated water and ensuring a dry operation environment for the optical cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 Schematic diagram of the three-dimensional structure of the present utility model Figure 1 ;
[0022] Figure 2 Schematic diagram of the three-dimensional structure of the present utility model Figure 2 ;
[0023] Figure 3 Schematic diagram of the enlarged structure of the drainage fold groove and the waterproof observation window of the present utility model Figure 1 ;
[0024] Figure 4 Schematic diagram of the enlarged structure of the drainage fold groove and the waterproof observation window of the present utility model Figure 2 ;
[0025] Figure 5 Schematic diagram of the three-dimensional sectional structure of the drainage fold groove and the waterproof observation window of the present utility model.
[0026] Wherein: 1. Concrete drain pipe body; 2. Observation groove; 3. Drainage fold groove; 4. Placement groove; 5. Drainage hole; 6. Fixing strip one; 7. Sealing strip one; 8. Fixing strip two; 9. Sealing strip two; 10. Movable hinge; 11. Waterproof observation window; 12. Handle; 13. Armored cable. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0028] Embodiment 1: As Figures 1-5 shown, a concrete drain pipe optical cable fixing and observing structure provided by the present utility model includes a concrete drain pipe body 1. An observation groove 2 is opened on the outer side of the concrete drain pipe body 1. A drainage folding groove 3 is fixedly connected inside the concrete drain pipe body 1. A placement groove 4 is opened at the upper end of the drainage folding groove 3. A drainage hole 5 is opened at the upper end of the placement groove 4. A fixing strip one 6 is fixedly connected to the right side of the drainage folding groove 3. A sealing strip one 7 is fixedly connected to the upper end of the fixing strip one 6. A fixing strip two 8 is fixedly connected to the upper end of the drainage folding groove 3. A sealing strip two 9 is fixedly connected to the upper end of the fixing strip two 8. A movable hinge 10 is fixedly connected to the outer side of the concrete drain pipe body 1. The concrete drain pipe body 1 is rotatably connected to a waterproof observation window 11 through the movable hinge 10. A handle 12 is fixedly connected to the outer side of the waterproof observation window 11. An armored optical cable 13 is placed at the upper end of the drainage folding groove 3.
[0029] Specifically, the observation groove 2 corresponds to the fixing strip one 6, the sealing strip one 7, the fixing strip two 8, the sealing strip two 9, the movable hinge 10, the waterproof observation window 11, and the handle 12. The advantage is that the waterproof observation window 11 is provided, which can intuitively display the state of the armored optical cable 13.
[0030] Specifically, the width of the waterproof observation window 11 is 1 m to 1.2 m, and a waterproof observation window 11 is provided every 50 m along the direction of the concrete drain pipe body 1. The advantage is that a waterproof observation window 11 is provided at intervals. When the armored optical cable 13 is laid, it is placed at the upper end of the drainage folding groove 3 to maintain the consistency of laying. When the armored optical cable 13 is damaged, the handle 12 can be pulled to open the waterproof observation window 11 to check the position of the broken fiber of the armored optical cable 13 for separate fusion splicing repair.
[0031] Embodiment 2: As Figures 2-5 shown, as an improvement to the previous embodiment.
[0032] Specifically, the waterproof observation window 11 is made of polycarbonate material. The advantage is that the waterproof observation window 11 made of polycarbonate material is firm and durable, has high transparency, and is conducive to troubleshooting.
[0033] Specifically, the vertical cross-section of the drainage folding groove 3 is in an "L" shape, and both the first sealing strip 7 and the second sealing strip 9 are made of ethylene propylene diene monomer (EPDM) rubber. The advantages are as follows: the vertical cross-section of the drainage folding groove 3 being in an "L" shape can provide a stable placement space for the armored optical cable 13, separating the drainage area inside the concrete drain pipe body 1 from the placement area of the armored optical cable 13, which is very practical. The drainage folding groove 3 can be constructed in sections, greatly increasing the construction convenience. The first sealing strip 7 and the second sealing strip 9 made of EPDM rubber provide sealing when the waterproof observation window 11 is closed, preventing water vapor, moisture, debris, and animals from entering the placement space and providing protection for the armored optical cable 13.
[0034] Specifically, the width of the placement groove 4 is 30 mm to 35 mm, the cross-section of the placement groove 4 is in an arc shape, and the diameter of the armored optical cable 13 adapted by the placement groove 4 is 10 mm to 40 mm. The advantages are as follows: the arc-shaped placement groove 4 is provided to ensure that the armored optical cable 13 is stably placed in the placement groove 4, maintaining the consistency of the laying of the armored optical cable 13.
[0035] Specifically, the diameter of the drainage hole 5 is 2 mm to 3 mm, and one drainage hole 5 is provided every 10 m along the direction of the concrete drain pipe body 1. The advantages are as follows: the drainage hole 5 is provided to discharge the accumulated water along with the concrete drainage pipe, preventing the accumulated water from damaging the armored optical cable 13 and ensuring the dryness of the optical cable operating environment.
[0036] Working principle: During laying, the drainage folding groove 3 can be constructed in sections, greatly increasing the construction convenience. The arc-shaped placement groove 4 can ensure that the armored optical cable 13 is stably placed in the placement groove 4, maintaining the consistency of the laying of the armored optical cable 13. A waterproof observation window 11 is provided at intervals. When the armored optical cable 13 is laid, it is placed at the upper end of the drainage folding groove 3 to maintain the laying consistency. When the armored optical cable 13 is damaged, the handle 12 can be pulled to open the waterproof observation window 11 to check the position of the broken fiber of the armored optical cable 13 for individual fusion splicing repair. The waterproof observation window 11 is made of polycarbonate material, which is strong, durable, has high transparency, can intuitively display the armored optical cable 13, and is conducive to inspection. The first sealing strip 7 and the second sealing strip 9 made of EPDM rubber provide sealing when the waterproof observation window 11 is closed, preventing water vapor, moisture, debris, and animals from entering the placement space and providing protection for the armored optical cable 13. The vertical cross-section of the drainage folding groove 3 is in an "L" shape, which can provide a stable placement space for the armored optical cable 13, separating the drainage area inside the concrete drain pipe body 1 from the placement area of the armored optical cable 13, which is very practical. The drainage hole 5 can discharge the accumulated water along with the concrete drainage pipe, preventing the accumulated water from damaging the armored optical cable 13 and ensuring the dryness of the optical cable operating environment.
[0037] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A fixing and observing structure for an optical cable in a concrete drain pipe, comprising a concrete drain pipe body (1), characterized in that: An observation groove (2) is formed on the outer side of the concrete drain pipe body (1). A drainage folding groove (3) is fixedly connected inside the concrete drain pipe body (1). A placement groove (4) is formed at the upper end of the drainage folding groove (3). A drainage hole (5) is formed at the upper end of the placement groove (4). A first fixing strip (6) is fixedly connected to the right side of the drainage folding groove (3). A first sealing strip (7) is fixedly connected to the upper end of the first fixing strip (6). A second fixing strip (8) is fixedly connected to the upper end of the drainage folding groove (3). A second sealing strip (9) is fixedly connected to the upper end of the second fixing strip (8). A movable hinge (10) is fixedly connected to the outer side of the concrete drain pipe body (1). The concrete drain pipe body (1) is rotatably connected to a waterproof observation window (11) through the movable hinge (10). A handle (12) is fixedly connected to the outer side of the waterproof observation window (11). An armored optical cable (13) is placed at the upper end of the drainage folding groove (3).
2. The optical cable fixing and observation structure for a concrete drain pipe according to claim 1, characterized in that: The observation groove (2) corresponds to the first fixing strip (6), the first sealing strip (7), the second fixing strip (8), the second sealing strip (9), the movable hinge (10), the waterproof observation window (11), and the handle (12).
3. The optical cable fixing and observation structure for a concrete drain pipe according to claim 1, characterized in that: The width of the waterproof observation window (11) is 1m to 1.2m, and one waterproof observation window (11) is provided every 50m along the direction of the concrete drain pipe body (1).
4. A concrete drain pipe optical cable fixing and observation structure according to claim 1, characterized in that: The waterproof observation window (11) is made of polycarbonate material.
5. A cable fixing and observation structure for a concrete drain pipe according to claim 1, characterized in that: The vertical cross-section of the drainage folding groove (3) is in an "L" shape. Both the first sealing strip (7) and the second sealing strip (9) are made of ethylene propylene diene monomer rubber.
6. The optical cable fixing and observing structure for a concrete drain pipe according to claim 1, characterized in that: The width of the placement groove (4) is 30mm to 35mm. The cross-section of the placement groove (4) is in an arc shape. The diameter of the armored optical cable (13) adapted to the placement groove (4) is 10mm to 40mm.
7. A fixing and observing structure for an optical cable of a concrete drain pipe according to claim 1, characterized in that: The diameter of the drainage hole (5) is 2mm to 3mm, and one drainage hole (5) is provided every 10m along the direction of the concrete drain pipe body (1).