CN212410922U - Metal armored optical cable and metal armored prefabricated optical cable assembly - Google Patents

Metal armored optical cable and metal armored prefabricated optical cable assembly Download PDF

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Publication number
CN212410922U
CN212410922U CN202021120367.4U CN202021120367U CN212410922U CN 212410922 U CN212410922 U CN 212410922U CN 202021120367 U CN202021120367 U CN 202021120367U CN 212410922 U CN212410922 U CN 212410922U
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optical cable
metal
connector
cable
socket
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CN202021120367.4U
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徐士康
邱新娟
方贞泽
陈永博
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Shanghai Sfun Electrical Technology Co ltd
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Shanghai Sfun Electrical Technology Co ltd
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Abstract

The utility model discloses a metal armor optical cable and prefabricated optical cable subassembly of metal armor type relates to optical communication technical field. The prefabricated optical cable assembly comprises a metal armored prefabricated optical cable plug assembly and a metal armored prefabricated optical cable socket assembly which are mutually spliced; the metal armored prefabricated optical cable plug assembly comprises a prefabricated optical cable plug connector, a grounding protection wire and a metal armored optical cable; the metal armored optical cable comprises an outer sheath, a metal armored layer and an optical fiber which are sequentially arranged from outside to inside; the prefabricated optical cable plug connector is sleeved at one end of the metal armored optical cable; the grounding protection wires are arranged at two ends of the metal armored optical cable, one end of each grounding protection wire is connected with the metal armored layer, and the other end of each grounding protection wire is led to the ground; the metal armored prefabricated optical cable socket assembly comprises a prefabricated optical cable socket connector and a socket tail cable; the prefabricated optical cable socket connector is sleeved at one end of the socket tail cable. The utility model discloses can strengthen the mechanical properties of optical cable to resist the destructive power of the huge murine of size.

Description

Metal armored optical cable and metal armored prefabricated optical cable assembly
Technical Field
The utility model relates to an optical communication technical field especially relates to a metal armor optical cable and prefabricated optical cable subassembly of metal armor type.
Background
Optical fiber cables are now the most dominant means of communication transmission. Originally, optical cables were all formed by professional field fusion through professional instrument, and this kind of mode is high to operator's professional degree, fusion equipment requirement, and the site operation environment is complicated in addition, and the connection precision also is difficult to obtain the guarantee, and the cost is great. With the development of the optical fiber connection technology, the plug and play technology is widely applied, and the transmission of optical fiber signals can be realized on site through the rapid plugging of the prefabricated optical cable connector only by making a prefabricated optical cable in advance.
At present, all the prefabricated optical cables adopt nonmetal armored optical cables. A plurality of optical fibers are arranged in a central beam tube of the optical cable, aramid fiber yarns and glass fiber yarns are wrapped outside the central beam tube, and the outermost side of the central beam tube is protected by a sheath. The structure can effectively strengthen the mechanical property of the optical cable, namely effectively strengthen the capacity of resisting external applied mechanical force of the optical fiber and the optical cable, and simultaneously when the small animals such as mice bite the optical cable, the broken outer sheath can be embedded into the slits between the teeth of the small animals on the inner layer, so that the small animals such as mice can not bite the optical fiber on the inner layer continuously.
However, in some high-temperature and humid areas, various murine animals have huge body sizes and stronger biting capacity, and the existing nonmetal armored prefabricated optical cable cannot resist the destructive power of the animals and cannot meet the field use requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a metal armor optical cable and prefabricated optical cable subassembly of metal armor type can strengthen the mechanical properties of optical cable to resist the destructive power of the huge murine of size.
In order to achieve the above object, the utility model provides a following scheme:
a metal armored optical cable comprises an outer sheath, a metal armored layer and an optical fiber which are sequentially arranged from outside to inside;
the outer sheath is made of an insulating material;
the metal armor layer is made of metal materials.
Optionally, the device further comprises a single-core connector;
the single-core connectors are arranged at two ends of the optical fiber.
Optionally, the single-core connector further comprises a protective sleeve sleeved outside the single-core connector.
In order to achieve the above purpose, the invention also provides the following scheme:
a metal armored prefabricated optical cable assembly comprises a metal armored prefabricated optical cable plug assembly and a metal armored prefabricated optical cable socket assembly which are mutually spliced;
the metal armored prefabricated optical cable plug assembly comprises a prefabricated optical cable plug connector, a grounding protection wire and a metal armored optical cable; the prefabricated optical cable plug connector is sleeved at one end of the metal armored optical cable; the grounding protection wires are arranged at two ends of the metal armored optical cable, one end of each grounding protection wire is connected with the metal armored layer, and the other end of each grounding protection wire is led to the ground;
the metal armored prefabricated optical cable socket assembly comprises a prefabricated optical cable socket connector and a socket tail cable; the prefabricated optical cable socket connector is sleeved at one end of the socket tail cable.
Optionally, the prefabricated optical cable plug connector includes: the plug connector comprises a plug connector tail clamp, a plug connector shell and a plug connector optical fiber plug core body;
the plug connector optical fiber plug core body is sleeved at one end of the metal armored optical cable; the plug connector shell is sleeved outside the plug connector optical fiber plug core body; the plug connector tail clamp is arranged on the plug connector optical fiber plug body and the plug connector shell to lock the plug connector optical fiber plug body and the plug connector shell.
Optionally, the prefabricated optical cable socket connector includes: the optical fiber socket comprises a socket connector tail clamp, a socket connector shell and a socket connector optical fiber socket core body;
the optical fiber ferrule body of the socket connector is sleeved at one end of the socket tail cable; the socket connector shell is sleeved outside the socket connector optical fiber socket core body; the receptacle connector tail clip is disposed on the receptacle connector fiber optic receptacle body and the receptacle connector housing to lock the receptacle connector fiber optic receptacle body and the receptacle connector housing.
Optionally, when the metal armored prefabricated optical cable socket assembly is indoors, the socket pigtail cable is a fiber pigtail cable; when the metal-armored prefabricated optical cable socket assembly is outdoors, the socket tail cable is the metal-armored optical cable.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model discloses a metal armor optical cable and prefabricated optical cable subassembly of metal armor type to metal armor replaces non-metallic armor, through set up the metal armor layer outside optic fibre, can effectively strengthen optic fibre, the ability that the outside applied the mechanical force is resisted to the optical cable, solves the high temperature humid area, and multiple murine size is huge, gnaws and stings the ability stronger, and the destructive power of these animals can't be resisted to the prefabricated optical cable of current non-metallic armor type, can't satisfy the problem of field usage requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a structural view of an embodiment 1 of the metal-clad optical cable of the present invention;
FIG. 2 is a structural diagram of the double-end prefabricated metal armored branch optical cable of the present invention;
fig. 3 is a structural diagram of a double-end prefabricated metal armored branch optical cable with drag protection according to the present invention;
FIG. 4 is a block diagram of an embodiment of a metal armored pre-fabricated fiber optic cable assembly according to the present invention;
figure 5 is the utility model discloses metal armor type prefabricated optical cable plug subassembly schematic diagram when metal armor optical cable is the bi-polar prefabrication.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a metal armor optical cable and prefabricated optical cable subassembly of metal armor type can strengthen the mechanical properties of optical cable to resist the destructive power of the huge murine of size.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example 1
Fig. 1 is a structural diagram of a metal-clad optical cable according to embodiment 1 of the present invention. Referring to fig. 1, the metal armored optical cable includes an outer sheath 1.2.1, a metal armored layer 1.2.2 and an optical fiber 1.2.3, which are sequentially arranged from outside to inside.
The outer sheath 1.2.1 is made of insulating materials. The insulation is typically made of an industrial flame retardant material, such as polyvinyl chloride.
The metal armor layer 1.2.2 is made of metal materials. The metal material is a high-hardness and corrosion-resistant metal material, and is conventionally a steel strip. The metal armor layer 1.2.2 aims to improve the strength of the optical cable and protect the optical fiber 1.2.3 from being damaged by external force.
Example 2
Figure 2 is the utility model discloses the structure chart of bi-polar prefabricated metal armor branch optical cable. Referring to fig. 2, the double-end prefabricated metal-clad optical drop cable of the present embodiment is further prefabricated with a plurality of single-core connectors 1.2.4, such as ST, SC, LC, FC, etc., at both ends of the metal-clad optical cable of embodiment 1. The both ends of every optic fibre 1.2.3 are connected one respectively single core connector 1.2.4, every single core connector 1.2.4's one end with optic fibre 1.2.3 is connected, and the other end is connected with the optic fibre interface on the optical fiber equipment.
Example 3
Fig. 3 is a structural diagram of a double-end prefabricated metal armored branch optical cable with drag protection according to the present invention. Referring to fig. 3, the double-end prefabricated metal armored branch optical cable with the drag protection of the present embodiment is provided with a protection sleeve 1.2.6 which is sleeved outside the single-core connector 1.2.4 of the double-end prefabricated metal armored branch optical cable of the embodiment 2, so that the single-core connector 1.2.4 of the branch can be protected, and the branch is dustproof and waterproof. The protective sleeve 1.2.6 is made of various materials, can protect a single-core connector 1.2.4, and has the modes of plastic corrugated pipes or braided pipe sheaths and the like at present. When the single-core connector 1.2.4 is connected with the optical fiber interface on the optical fiber equipment, the protective sleeve 1.2.6 sleeved outside the single-core connector 1.2.4 is removed, so that the connection between the single-core connector 1.2.4 and the optical fiber interface on the optical fiber equipment is realized.
The double-end prefabricated metal armored branch optical cable with the dragging protection further comprises a fixed mounting seat 1.2.5 and a fixed locking nut 1.2.7, wherein the fixed mounting seat 1.2.5 and the fixed locking nut 1.2.7 are used for fixing and locking the protection sleeve 1.2.6, so that the protection sleeve 1.2.6 protects a single-core connector 1.2.4 inside the protection sleeve.
Example 4
Fig. 4 is a structural diagram of an embodiment of the metal-armored prefabricated optical cable assembly of the present invention. Figure 5 is the utility model discloses metal armor type prefabricated optical cable plug subassembly schematic diagram when metal armor optical cable is the bi-polar prefabrication. Referring to fig. 4 and 5, the metal-armored type prefabricated cable assembly includes a metal-armored type prefabricated cable plug assembly 1 and a metal-armored type prefabricated cable receptacle assembly 2 which are spliced with each other.
The metal armored type prefabricated optical cable plug assembly 1 comprises a prefabricated optical cable plug connector 1.1, a grounding protection wire 1.3 and a metal armored optical cable 1.2.
The prefabricated optical cable plug connector 1.1 is sleeved at one end of the metal armored optical cable 1.2.
The grounding protection wires 1.3 are arranged at two ends of the metal armored optical cable 1.2, one end of each grounding protection wire 1.3 is connected with the metal armored layer 1.2.2, and the other end of each grounding protection wire 1.3 is led to the ground.
The grounding protection wire 1.3 is arranged near the prefabricated optical cable plug connector 1.1.
When the metal-clad optical cable 1.2 is single-end prefabricated, i.e. in the case shown in fig. 4, the cable-less connector end is also provided with the ground protection wire 1.3 of the metal-clad layer 1.2.2. When the metal-clad optical cable 1.2 is prefabricated at both ends, that is, in the case shown in fig. 5, the grounding protection wires 1.3 of the metal-clad layer 1.2.2 are arranged at the positions of both ends of the metal-clad optical cable 1.2 close to the prefabricated optical cable plug connector 1.1. Two prefabricated cable socket connectors 2.1 are not shown in fig. 5, and the prefabricated cable socket connectors 2.1 and the prefabricated cable plug connectors 1.1 are plugged into each other.
When the grounding protection wire 1.3 is connected, a special metal armored grounding wire process is adopted, and the insulating layer of the outer sheath 1.2.1 is broken and then welded or crimped.
The pre-fabricated optical cable plug connector 1.1 comprises: the plug connector comprises a plug connector tail clamp 1.1.1, a plug connector shell 1.1.2 and a plug connector optical fiber ferrule body 1.1.3.
The plug connector optical fiber plug core body 1.1.3 is sleeved at one end of the metal armored optical cable 1.2. The plug connector shell 1.1.2 is sleeved outside the plug connector optical fiber ferrule body 1.1.3.
The plug connector tail clamp 1.1.1 is arranged on the plug connector optical fiber ferrule body 1.1.3 and the plug connector shell 1.1.2 to lock the plug connector optical fiber ferrule body 1.1.3 and the plug connector shell 1.1.2.
The plug connector tail clamp 1.1.1 is also used for locking the metal armored optical cable 1.2 to prevent the metal armored optical cable from being pulled out.
The metal armored prefabricated optical cable socket assembly 2 comprises a prefabricated optical cable socket connector 2.1 and a socket tail cable 2.2.
The prefabricated optical cable socket connector 2.1 is sleeved at one end of the socket tail cable 2.2.
The prefabricated optical cable socket connector 2.1 comprises: socket connector tail clip 2.1.1, socket connector shell 2.1.2 and socket connector optical fiber ferrule body 2.1.3.
The optical fiber socket core body 2.1.3 of the socket connector is sleeved at one end of the socket tail cable 2.2. The other end of the socket tail cable 2.2 is connected with a single-core connector 1.2.4, one end of the single-core connector 1.2.4 is connected with the optical fiber in the socket tail cable 2.2, and the other end of the single-core connector 1.2.4 is connected with an optical fiber interface on optical fiber equipment.
The socket connector housing 2.1.2 is sleeved outside the socket connector optical fiber ferrule body 2.1.3.
The receptacle connector tail clip 2.1.1 is disposed on the receptacle connector fiber ferrule body 2.1.3 and the receptacle connector housing 2.1.2 to lock the receptacle connector fiber ferrule body 2.1.3 and the receptacle connector housing 2.1.2.
The socket connector tail clamp 2.1.1 is also used for locking the socket tail cable 2.2 to prevent the socket tail cable from being pulled and pulled out.
When the metal-clad pre-cast optical cable receptacle assembly 2 is indoors, the receptacle pigtail 2.2 is a fiber pigtail.
When the metal-clad prefabricated optical cable socket assembly 2 is outdoors, the socket pigtail 2.2 is the metal-clad optical cable 1.2.
The metal-armored type prefabricated optical cable assembly of the present embodiment includes a prefabricated optical cable connector and a metal-armored optical cable 1.2. The prefabricated optical fiber cable connector is connected with the metal armored optical cable 1.2. The prefabricated optical cable optical fiber connector comprises a single-core optical fiber connector and a multi-core optical fiber connector. The pre-fabricated fiber optic cable connector in this embodiment comprises a pre-fabricated fiber optic plug connector 1.1 and a pre-fabricated fiber optic receptacle connector 2.1. The plug connector fiber ferrule 1.1.3 in the prefabricated optical cable plug connector 1.1 and the socket connector fiber ferrule 2.1.3 in the prefabricated optical cable socket connector 2.1 are MPO/MTP bundled prefabricated optical cable assemblies recorded in CN 104597577A. The metal armored optical cable 1.2 is prefabricated with a grounding protection wire 1.3 near the prefabricated optical cable optical fiber connector, one end of the grounding protection wire 1.3 is connected with the metal armored layer 1.2.2 of the metal armored optical cable 1.2, and the other end is communicated with the ground.
Before the metal armored prefabricated optical cable assembly is used, the grounding end of the grounding protection wire 1.3 is connected with the ground, and the prefabricated optical cable plug connector 1.1 is connected with the prefabricated optical cable socket connector 2.1 in an inserting mode to complete the conduction of an optical circuit. The static electricity of the metal armor layer 1.2.2 generated by the external environment can flow to the ground through the grounding protection wires 1.3 at the two ends of the metal armor optical cable 1.2, and the interference to optical signals in the metal armor type prefabricated optical cable assembly can not be generated. Meanwhile, the high-strength mechanical property of the metal armor layer 1.2.2 reliably protects the internal optical fiber 1.2.3 so as to prevent the damage of external factors such as gnawing of small animals and the like.
When the metal armored type prefabricated optical cable assembly is used, a prefabricated optical cable plug connector 1.1 in the metal armored type prefabricated optical cable plug assembly 1 provided with the grounding protection wire 1.3 is spliced with a prefabricated optical cable socket connector 2.1 in a metal armored type prefabricated optical cable socket assembly 2, and the optical fibers in the plug connector optical fiber ferrule body 1.1.3 and the socket connector optical fiber ferrule body 2.1.3 are conducted through the guiding of one or more positioning assemblies of the prefabricated optical cable plug connector 1.1 and the prefabricated optical cable socket connector 2.1.
The utility model discloses a prefabricated optical cable subassembly of metal armor type, at the prefabricated single core of one end or the prefabricated multicore fiber connector in both ends of metal armor optical cable, prefabricated optical cable plug connector and prefabricated optical cable socket connector promptly. In order to prevent the electrical equipment from being mistakenly operated due to electromagnetic interference and prevent the prefabricated optical cable assembly from being subjected to external short circuit, lightning stroke and other overload currents, the metal armor layer of the metal armored optical cable needs to be grounded. The utility model discloses a prefabricated optical cable subassembly of metal armor type can strengthen resisting the ability that the toy was gnawed to bite, has the ability that more strongly resists the mouse and stings and other outside destruction, can plug and play to can get rid of overcurrent such as magnetic field interference, lightning protection.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the device and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (6)

1. A metal armored optical cable is characterized by comprising an outer sheath, a metal armored layer, a single-core connector and an optical fiber which are sequentially arranged from outside to inside;
the outer sheath is made of an insulating material;
the metal armor layer is made of metal materials;
the single-core connector is connected with the optical fiber.
2. The metal-armored cable of claim 1, further comprising a protective sleeve disposed over the single-core connector.
3. A metal armored prefabricated optical cable assembly is characterized by comprising a metal armored prefabricated optical cable plug assembly and a metal armored prefabricated optical cable socket assembly which are mutually spliced;
the metal-armored type pre-fabricated cable plug assembly comprises a pre-fabricated cable plug connector, a ground protection wire and the metal-armored cable of any one of claims 1-2; the prefabricated optical cable plug connector is sleeved at one end of the metal armored optical cable; the grounding protection wires are arranged at two ends of the metal armored optical cable, one end of each grounding protection wire is connected with the metal armored layer, and the other end of each grounding protection wire is led to the ground;
the metal armored prefabricated optical cable socket assembly comprises a prefabricated optical cable socket connector and a socket tail cable; the prefabricated optical cable socket connector is sleeved at one end of the socket tail cable.
4. The metal-armored, pre-engineered fiber optic cable assembly of claim 3, wherein the pre-engineered fiber optic cable plug connector comprises: the plug connector comprises a plug connector tail clamp, a plug connector shell and a plug connector optical fiber plug core body;
the plug connector optical fiber plug core body is sleeved at one end of the metal armored optical cable; the plug connector shell is sleeved outside the plug connector optical fiber plug core body; the plug connector tail clamp is arranged on the plug connector optical fiber plug body and the plug connector shell to lock the plug connector optical fiber plug body and the plug connector shell.
5. The metal-armored, pre-engineered fiber optic cable assembly of claim 3, wherein the pre-engineered fiber optic cable receptacle connector comprises: the optical fiber socket comprises a socket connector tail clamp, a socket connector shell and a socket connector optical fiber socket core body;
the optical fiber ferrule body of the socket connector is sleeved at one end of the socket tail cable; the socket connector shell is sleeved outside the socket connector optical fiber socket core body; the receptacle connector tail clip is disposed on the receptacle connector fiber optic receptacle body and the receptacle connector housing to lock the receptacle connector fiber optic receptacle body and the receptacle connector housing.
6. The metal armored, pre-fabricated fiber optic cable assembly of claim 3, wherein the receptacle pigtail cable is a fiber pigtail cable when the metal armored, pre-fabricated fiber optic cable receptacle assembly is indoors; when the metal-armored prefabricated optical cable socket assembly is outdoors, the socket tail cable is the metal-armored optical cable.
CN202021120367.4U 2020-06-17 2020-06-17 Metal armored optical cable and metal armored prefabricated optical cable assembly Active CN212410922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021120367.4U CN212410922U (en) 2020-06-17 2020-06-17 Metal armored optical cable and metal armored prefabricated optical cable assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021120367.4U CN212410922U (en) 2020-06-17 2020-06-17 Metal armored optical cable and metal armored prefabricated optical cable assembly

Publications (1)

Publication Number Publication Date
CN212410922U true CN212410922U (en) 2021-01-26

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Application Number Title Priority Date Filing Date
CN202021120367.4U Active CN212410922U (en) 2020-06-17 2020-06-17 Metal armored optical cable and metal armored prefabricated optical cable assembly

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PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A metal armored optical cable and a metal armored prefabricated optical cable assembly

Granted publication date: 20210126

Pledgee: China Postal Savings Bank Co.,Ltd. Shanghai Pudong New Area Branch

Pledgor: SHANGHAI SFUN ELECTRICAL TECHNOLOGY Co.,Ltd.

Registration number: Y2024310000159