CN221007936U - Single-mode single-fiber optical fiber jumper - Google Patents

Single-mode single-fiber optical fiber jumper Download PDF

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Publication number
CN221007936U
CN221007936U CN202322598248.XU CN202322598248U CN221007936U CN 221007936 U CN221007936 U CN 221007936U CN 202322598248 U CN202322598248 U CN 202322598248U CN 221007936 U CN221007936 U CN 221007936U
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China
Prior art keywords
optical fiber
jumper
fiber
pvdf
mode
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CN202322598248.XU
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Chinese (zh)
Inventor
方直祥
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Ningbo Hengxiang Optoelectronics Co ltd
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Ningbo Hengxiang Optoelectronics Co ltd
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Abstract

The utility model discloses a single-mode single-fiber optical fiber jumper, which comprises an optical fiber jumper body (1), wherein plug-in ports (2) are formed in two ends of the optical fiber jumper body (1), a PVDF protective sleeve (5) is arranged on the surface of the optical fiber jumper body (1), a water-resistant layer (4) is wrapped in the PVDF protective sleeve (5), a metal protective shell (7) is arranged in the water-resistant layer (4), a filling paste layer (6) is arranged in the metal protective shell (7), and a fiber core (3) is wrapped in the filling paste layer (6).

Description

Single-mode single-fiber optical fiber jumper
Technical Field
The utility model relates to the technical field of optical communication, in particular to a single-mode single-fiber optical fiber jumper.
Background
The center glass core of a single-mode fiber is very thin, the core diameter is generally 9 or 10 mu m, only one transmission mode fiber exists, the transmission loss and the transmission dispersion of the single-mode fiber are relatively small, the transmission loss is small, the distance of signal transmission in the fiber is relatively long, the transmission dispersion is small, and the transmission of high-speed and large-capacity data is facilitated, so that in a communication system, particularly a large-capacity communication system, the single-mode fiber is mostly used, the fiber jumper is used for making a jumper wire from equipment to a fiber wiring link, a thicker protective layer is arranged, and the single-mode fiber is generally used for connection between an optical terminal and a terminal box and is applied to the fields of fiber communication systems, fiber access networks, fiber data transmission, local area networks and the like.
In order to keep the optical fiber in the center, the conventional single-mode single-fiber optical fiber jumper is sleeved with a thicker plastic jacket outside to protect the optical fiber, but the optical fiber cannot be bent greatly, once the central glass core is damaged due to the large-amplitude bending, the connector box is easy to enter water or is in a wet state, so that the transmission strength of the single-mode single-fiber optical fiber jumper is greatly reduced under long-term stress corrosion, and under severe conditions, the optical fiber is broken.
Disclosure of utility model
First, the technical problem to be solved
Aiming at the current state of the art, the utility model provides the single-mode single-fiber optical fiber jumper which can avoid the breakage of the optical fiber and has the waterproof function.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a single-mode single-fiber optical fiber jumper, which comprises an optical fiber jumper body, wherein both ends of the optical fiber jumper body are provided with inserting ports, the surface of the optical fiber jumper body is provided with a PVDF protective sleeve, a water blocking layer is wrapped in the PVDF protective sleeve, a metal protective shell is arranged in the water blocking layer, a filling paste layer is arranged in the metal protective shell, and a fiber core is wrapped in the filling paste layer.
Further, the plug interface is bonded with the optical fiber jumper body, and the optical fiber jumper body is bonded with the PVDF protective sleeve.
By adopting the technical scheme, the splicing mode is adopted, so that the splicing port and the optical fiber jumper wire body are more stable.
Furthermore, the PVDF protective sleeve is bonded with the waterproof layer, and the PVDF protective sleeve is made of PVDF material.
By adopting the technical scheme, the PVDF protective sleeve can protect the inside of the single-mode single-fiber optical fiber jumper.
Further, the water-resistant layer is bonded with the metal protective case, and the water-resistant layer is made of water-resistant yarns.
By adopting the technical scheme, the waterproof layer can realize dry water blocking of the single-mode single-fiber optical fiber jumper, the metal protective shell can further protect the fiber core, and meanwhile, the single-mode single-fiber optical fiber jumper has tensile strength and compression resistance, and can prevent the single-mode single-fiber optical fiber jumper from being mechanically damaged in the transportation process and simultaneously has excellent shearing resistance, so that the optical fiber is prevented from being scratched by organisms and cut by man or complex environments.
Further, the metal sheath is bonded to the filler paste layer, which is bonded to the core.
By adopting the technical scheme, the OPGW optical fiber filling paste layer is adopted for the filling paste layer, so that the single-mode single-fiber optical fiber jumper can be further prevented from being corroded by moisture, and the effects of sealing, moisture resistance, cache safety protection and the like are also achieved.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
The utility model solves the problems that the existing single-mode single-fiber optical fiber jumper cannot be bent greatly, a central glass core is damaged once the single-mode single-fiber optical fiber jumper is bent greatly, a connector box is easy to enter water or is in a wet state, so that the transmission strength of the single-mode single-fiber optical fiber jumper can be greatly reduced under long-term stress corrosion, and under severe conditions, the situation of fiber breakage can occur.
Drawings
FIG. 1 is a cross-sectional view of a single-mode single-fiber optical fiber jumper according to the present utility model;
fig. 2 is a front view of a single-mode single-fiber optical fiber jumper according to the present utility model.
The reference numerals are explained as follows:
1. An optical fiber jumper body; 2. an interface; 3. a fiber core; 4. a water blocking layer; 5. PVDF protective sleeve; 6. filling a paste layer; 7. and a metal protective shell.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-2, the single-mode single-fiber optical fiber jumper in this embodiment includes an optical fiber jumper body 1, two ends of the optical fiber jumper body 1 are both provided with an inserting port 2, the surface of the optical fiber jumper body 1 is provided with a PVDF protective sleeve 5, a water-blocking layer 4 is wrapped in the PVDF protective sleeve 5, the water-blocking layer 4 adopts water-blocking yarns, dry water blocking of the single-mode single-fiber optical fiber jumper can be achieved, a metal protective shell 7 is arranged in the water-blocking layer 4, the metal protective shell 7 can further protect a fiber core 3, meanwhile, the metal protective shell 7 has the functions of tensile resistance and compression resistance, the single-mode single-fiber optical fiber jumper is prevented from being mechanically damaged in the transportation process, meanwhile, the excellent shearing resistance of the metal protective shell 7 enables the optical fiber to be prevented from being scratched by organisms and cut by artificial or complex environments, a filling paste layer 6 is arranged in the metal protective shell 7, and the fiber core 3 is wrapped in the filling paste layer 6.
As shown in fig. 1-2, the plug interface 2 is bonded with the optical fiber jumper body 1, the optical fiber jumper body 1 is bonded with the PVDF protective sleeve 5, because the PVDF material has high chemical corrosion resistance and heat resistance, the PVDF protective sleeve 5 is bonded with the water-resistant layer 4, the water-resistant layer 4 is bonded with the metal protective shell 7, the water-resistant layer 4 is made of water-resistant yarns, the metal protective shell 7 is bonded with the filling paste layer 6, the filling paste layer 6 is bonded with the fiber core 3, and the filling paste layer 6 can further prevent the single-mode single-fiber optical fiber jumper from being corroded by water by adopting the OPGW optical fiber filling paste layer, and meanwhile, the effects of sealing, moisture resistance, buffer safety protection and the like are also achieved.
The specific implementation process of this embodiment is as follows: when the optical fiber jumper is used, the inserting port 2 can be inserted into a designated position, the optical fiber jumper body 1 is protected through the PVDF protective sleeve 5, because the PVDF material has high chemical corrosion resistance and heat resistance, the single-mode single-fiber optical fiber jumper can be protected, external corrosion is prevented, the waterproof layer 4 adopts the waterproof yarn, the connector box can be prevented from bringing moisture into the single-mode single-fiber optical fiber jumper due to moisture, so that the transmission strength of the single-mode single-fiber optical fiber jumper is ensured, the metal protective shell 7 utilizes the hardness of the metal protective shell to improve the bending strength of the optical fiber jumper, the optical fiber core 3 is protected from being broken, meanwhile, the excellent shearing resistance enables the optical fiber core 3 to be prevented from being cut by biological biting and artificial or complex environments, and the filling paste layer 6 adopts the OPGW optical fiber filling paste layer 6, so that the optical fiber core 3 of the single-mode single-fiber jumper can be further protected from being damp.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. A single-mode single-fiber optical fiber jumper is characterized in that: including optical fiber jumper body (1), optical fiber jumper body (1) both ends all are provided with grafting mouth (2), optical fiber jumper body (1) surface is provided with PVDF protective sheath (5), the parcel has water-blocking layer (4) in PVDF protective sheath (5), be provided with metal protective case (7) in water-blocking layer (4), inside packing cream layer (6) that set up of metal protective case (7), pack fine core (3) in packing cream layer (6).
2. The single-mode single-fiber optical jumper of claim 1, wherein: the plug-in port (2) is bonded with the optical fiber jumper body (1), and the optical fiber jumper body (1) is bonded with the PVDF protective sleeve (5).
3. The single-mode single-fiber optical jumper of claim 1, wherein: the PVDF protective sleeve (5) is adhered to the waterproof layer (4), and the PVDF protective sleeve (5) is made of PVDF material.
4. The single-mode single-fiber optical jumper of claim 1, wherein: the waterproof layer (4) is adhered to the metal protective shell (7), and the waterproof layer (4) is made of waterproof yarns.
5. The single-mode single-fiber optical jumper of claim 1, wherein: the metal protective shell (7) is adhered to the filling paste layer (6), and the filling paste layer (6) is adhered to the fiber core (3).
CN202322598248.XU 2023-09-25 2023-09-25 Single-mode single-fiber optical fiber jumper Active CN221007936U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322598248.XU CN221007936U (en) 2023-09-25 2023-09-25 Single-mode single-fiber optical fiber jumper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322598248.XU CN221007936U (en) 2023-09-25 2023-09-25 Single-mode single-fiber optical fiber jumper

Publications (1)

Publication Number Publication Date
CN221007936U true CN221007936U (en) 2024-05-24

Family

ID=91122695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322598248.XU Active CN221007936U (en) 2023-09-25 2023-09-25 Single-mode single-fiber optical fiber jumper

Country Status (1)

Country Link
CN (1) CN221007936U (en)

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