Photoelectric separation type high-voltage insulation connection structure for OPPC
By designing the high-voltage insulated connection structure for OPPC, the complex construction steps and high labor intensity of OPPC fiber composite overhead phase lines during the photoelectric separation and connection process are solved, and the simplification of fiber connection and the reduction of fiber loss are achieved.
Patent Information
- Application Number
- CN202421945927.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-12
AI Technical Summary
OPPC fiber composite overhead phase lines have complex construction steps and high labor intensity during the photoelectric separation and connection process, and the large number of fiber joints leads to large fiber loss.
A photoelectric separation type high-voltage insulated connection structure for OPPC is designed, including upper and lower connection boxes and composite insulators, and simple and reliable connection and separation of optical fibers are achieved through fiber guide nozzles and fiber perforations.
This structure does not require pre-embedded optical fibers, simplifies construction steps, reduces labor intensity, reduces the number of fiber joints, reduces fiber losses, and improves fiber transmission performance.
Smart Images
Figure CN222882874U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a communication optical cable connection accessory, in particular to a photoelectric separation type high-voltage insulation connection structure for OPPC. Background Art
[0002] The full name of OPPC is Optical Fiber Composite Overhead Phase Cable, which is a special power optical cable that combines optical fiber units in the phase cable and has the dual functions of power overhead phase cable and communication capabilities.
[0003] The designed cable length of OPPC is generally 3 to 5 kilometers, so the splicing of OPPC optical cables is the most important link in the entire laying project. How to achieve the optical and electrical separation of OPPC and its splicing is the technical key and technical difficulty in the entire solution. Utility Model Content
[0004] Aiming at the connection after optical fiber separation in OPPC, the utility model proposes a photoelectric separation type high-voltage insulation connection structure for OPPC.
[0005] The photoelectric separation type high-voltage insulation splicing structure for OPPC that can solve the problems of the prior art includes an upper splicing box and a lower splicing box, and a composite insulator is connected between the upper and lower splicing boxes, wherein:
[0006] 1. The upper splicing box comprises a box body I and a box cover I closed on the box body I. The box body I is circular, and the central axis of the circular box body I is forward and backward. An optical fiber splicing introduction terminal I for introducing and fixing the upper optical fiber is provided on the left or right side of the box body I, and a fiber coil is coaxially provided in the circular box body I.
[0007] 2. The lower connection box includes a box body II and a box cover II closed on the box body II. The box body II is circular, and the central axis of the circular box body II is forward and backward. The right side or left side of the box body II is provided with an optical fiber connection introduction terminal II for introducing and fixing the lower end optical fiber.
[0008] 3. A coaxial fiber insertion hole is provided inside the composite insulator, and the upper and lower openings of the fiber insertion hole are connected to the box cover I and the box body II through corresponding fiber guide nozzles.
[0009] Furthermore, the upper and lower openings of the fiber insertion hole are connected to the box cover I and the box body II through corresponding fiber guide nozzles.
[0010] Furthermore, the composite insulator is made of silicone rubber material; each box body and each box cover are made of aluminum alloy material.
[0011] Beneficial effects of the utility model:
[0012] 1. The use of the photoelectric separation type high-voltage insulation splicing structure for OPPC of the utility model eliminates the need to pre-embed optical fibers inside the composite insulator, thereby saving the prior manufacturing process, time and materials.
[0013] 2. With the utility model, the upper and lower optical fibers only need to be fused once in the upper splicing box, which is simple and reliable, avoids the installation steps of complex construction sites, reduces the labor intensity of workers, and improves work efficiency.
[0014] 3. The utility model reduces the number of optical fiber connectors and minimizes optical fiber loss.
[0015] 4. In the structure of the utility model, the box body and the fiber coiling plate are designed in a vertical position, which effectively increases the height space inside the box body, ensures that the circle formed when the fiber is coiled is on the same plane as the optical fiber introduced into the box body from the inside of the composite insulator, and avoids the disadvantage of too small bending radius of the optical fiber.
[0016] 5. In the structure of the utility model, the lower connection box body is received under the composite insulator and is only used for connection and introduction and fixation of optical cables, and is not used for connecting optical fibers.
[0017] 6. In the structure of the utility model, the sealing, waterproof and moisture-proof, reasonable way of fixing the optical cable and the wide fiber coil all effectively guarantee the transmission performance of the optical fiber.
[0018] 7. In the structure of the utility model, the silicone rubber composite insulator can safely and reliably isolate high voltage, connect the optical signal transmitted by the optical fiber to the zero potential level, and realize photoelectric separation. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of an implementation method of the utility model.
[0020] Figure 2 for Figure 1 A view in the figure.
[0021] Figure number identification: 1. Composite insulator; 2. Fiber guide nozzle; 3. Box body Ⅰ; 4. Box cover Ⅰ; 5. Fiber splicing terminal Ⅰ; 6. Fiber coiling tray; 7. Box body Ⅱ; 8. Box cover Ⅱ; 9. Fiber splicing terminal Ⅱ; 10. Fiber insertion hole; 11. Plate Ⅰ; 12. Plate ear Ⅰ; 13. Sealing groove Ⅰ; 14. Plate ear Ⅱ; 15. Sealing groove Ⅱ. DETAILED DESCRIPTION
[0022] The technical solution of the utility model is further described below in conjunction with the implementation modes shown in the accompanying drawings.
[0023] The utility model discloses a photoelectric separation type high voltage insulation connection structure for OPPC, comprising an upper connection box and a lower connection box, wherein the upper and lower connection boxes are connected by a composite insulator 1 (made of silicone rubber). Figure 1 shown.
[0024] The upper splicing box comprises a circular box body Ⅰ3 (cast aluminum) and a matching box cover Ⅰ4 (cast aluminum). The box body Ⅰ3 is vertically arranged, that is, the central axis of the box body Ⅰ3 is forward and backward, and a sealing groove Ⅰ13 is continuously cast at the box opening facing forward of the box body Ⅰ3, and a sealing ring Ⅰ is arranged in the sealing groove Ⅰ13. A fiber coil 6 is coaxially arranged in the box body Ⅰ3, and a plate Ⅰ11 is continuously cast in the center of the left side of the box body Ⅰ3, and a horizontal optical fiber splicing introduction terminal Ⅰ5 is continuously cast in the center of the right side of the box body Ⅰ3; plate ears Ⅰ12 are continuously cast at the left and right ends of the box cover Ⅰ4, and the box cover Ⅰ4 is buckled on the box opening of the box body Ⅰ3 and pressed on the sealing ring Ⅰ, and the left and right plate ears Ⅰ12 are respectively tightened on the plate Ⅰ11 and the optical fiber splicing introduction terminal Ⅰ5 with bolt assemblies, so that the box cover Ⅰ4 is sealed on the box body Ⅰ3, as shown in FIG. Figure 1 , Figure 2 shown.
[0025] The lower connection box includes a circular box body II7 (cast aluminum) and a matching box cover II8 (cast aluminum). The box body II7 is vertically arranged, that is, the central axis of the box body II7 is forward and backward, and a sealing groove II15 is continuously cast at the box opening facing forward of the box body II7, and a sealing ring II is arranged in the sealing groove II15. A plate II is continuously cast in the center of the right side of the box body II7, and a horizontal optical fiber splicing introduction terminal II9 is continuously cast in the center of the left side of the box body II7; plate ears II14 are continuously cast at the left and right ends of the box cover II8, and the box cover II8 is buckled on the box opening of the box body II7 and pressed on the sealing ring II. The left and right plate ears II14 are respectively tightened on the plate II and the optical fiber splicing introduction terminal II9 with bolt assemblies, so that the box cover II8 is sealed on the box body II7, as shown in FIG. Figure 1 , Figure 2 shown.
[0026] The composite insulator 1 is coaxially provided with a vertical fiber insertion hole 10, and the upper and lower openings of the fiber insertion hole 10 are connected to the box cover Ⅰ4 and the box body Ⅱ7 through the corresponding fiber guide nozzle 2. Figure 1 , Figure 2 shown.
[0027] The connection method of the utility model is:
[0028] 1. Open the box cover Ⅰ4, introduce the optical fiber Ⅰ separated from the upper OPPC into the box body Ⅰ3 through the optical fiber splicing terminal Ⅰ5 and wind it on the fiber coiling reel 6.
[0029] 2. Open the box cover Ⅱ8, introduce the optical fiber Ⅱ separated from the lower end OPPC into the box body Ⅱ7 through the optical fiber splicing terminal Ⅱ9 and pass through the upper and lower fiber guide nozzles 2 and the middle fiber hole 10 in sequence. After the optical fiber Ⅱ is introduced into the box cover Ⅰ4, close the box cover Ⅱ8.
[0030] 3. After the optical fibers I and II are fused together in the box body I3, the box cover I4 is closed.
Claims
1. An optoelectronic separation type high voltage insulation connection structure for OPPC, comprising an upper connection box and a lower connection box, wherein a composite insulator (1) is connected between the upper and lower connection boxes, wherein: The upper splicing box comprises a box body I (3) and a box cover I (4) sealed on the box body I (3), the box body I (3) is circular, the central axis of the circular box body I (3) is forward or backward, an optical fiber splicing introduction terminal I (5) for introducing and fixing the upper optical fiber is provided on the left or right side of the box body I (3), and a fiber coiling plate (6) is coaxially provided inside the circular box body I (3); The lower splicing box comprises a box body II (7) and a box cover II (8) sealed on the box body II (7); the box body II (7) is circular, the central axis of the circular box body II (7) is forward or backward, and an optical fiber splicing introduction terminal II (9) for introducing and fixing the lower optical fiber is provided on the right side or the left side of the box body II (7); The composite insulator (1) is coaxially provided with a fiber penetration hole (10), and the upper and lower openings of the fiber penetration hole (10) are respectively connected to the box cover I (4) and the box body II (7).
2. The photoelectric separation type high voltage insulation connection structure for OPPC according to claim 1, characterized in that: The upper and lower openings of the fiber penetration hole (10) are connected to the box cover I (4) and the box body II (7) through the corresponding fiber guide nozzles (2).
3. The photoelectric separation type high voltage insulation connection structure for OPPC according to claim 1 or 2, characterized in that: The composite insulator (1) is made of silicone rubber material; Each box body and each box cover are made of aluminum alloy material.