CN110837155B - Optical fiber circuit structure unit and optical fiber circuit - Google Patents
Optical fiber circuit structure unit and optical fiber circuit Download PDFInfo
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- CN110837155B CN110837155B CN201911053102.9A CN201911053102A CN110837155B CN 110837155 B CN110837155 B CN 110837155B CN 201911053102 A CN201911053102 A CN 201911053102A CN 110837155 B CN110837155 B CN 110837155B
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- optical fiber
- fiber circuit
- stainless steel
- clamping sleeve
- corrugated pipe
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides an optical fiber circuit structure unit which comprises a metal corrugated pipe, a plurality of carbon steel wires, a stainless steel mesh and an outer pipe, wherein the metal corrugated pipe, the carbon steel wires, the stainless steel mesh and the outer pipe are arranged from inside to outside and wrap the outer surface of an optical fiber, elastic supporting materials are filled between the metal corrugated pipe and the outer pipe, one end of the outer pipe is provided with a plug and a first clamping sleeve, the other end of the outer pipe is provided with a joint and a second clamping sleeve, one end of the joint is inserted into the stainless steel mesh and then is fixed by the second clamping sleeve, and the other end of. The invention also provides an optical fiber circuit which comprises a plurality of optical fiber circuit structure units connected end to end in sequence, and the metal corrugated pipe for controlling the optical fiber circuit is of an uninterrupted structure and is consistent with the optical fiber. The optical fiber circuit can sufficiently protect the optical fiber, the length can be designed, and the applicability is high; can be bent to a certain degree and maintain a stable posture, and has good vibration reduction effect, stretch resistance, water resistance, insulation, wear resistance and convenient use.
Description
Technical Field
The invention relates to the technical field of optical fiber protection devices, in particular to an optical fiber circuit structure unit and an optical fiber circuit.
Background
In the current laser transmission, the optical fiber is widely used because the optical path transmission direction can be changed at will. However, the internal stress of the structure is different under different bending postures inside the optical fiber, so that certain influence is caused on the transmission of the polarized laser.
The armored optical fiber is characterized in that a protective armor is wrapped outside the optical fiber, and is mainly used for meeting the requirements of a client on rat bite prevention, moisture prevention and the like. However, the existing optical fiber armor only can protect and seal the optical fiber to a certain degree, and the shape of the existing optical fiber armor is very soft and cannot maintain a stable posture. Due to the limited working mechanism and process conditions, laser generated by some specific system lasers is polarized light and needs to be transmitted by optical fibers, and the stable posture of the optical fibers needs to be maintained at the moment. If the gesture fixing device is additionally designed, firstly, fixing at a plurality of positions is required to be carried out according to the length of the optical fiber, and secondly, the adjusting process is limited by the actual structure and becomes more complicated.
Therefore, it is necessary to design an optical fiber circuit structure, which can be bent to a certain degree according to the requirement of the optical fiber, can maintain a stable posture, has good vibration damping effect, is stretch-proof, waterproof, insulating, wear-resistant, and convenient to use, and can sufficiently protect the optical fiber.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and an object of the present invention is to provide an optical fiber circuit structure unit and an optical fiber circuit, which can be bent to a certain extent according to the requirements of optical fibers, maintain a stable posture, have good vibration damping effect, are stretch-proof, waterproof, insulating, wear-resistant, and convenient to use, can sufficiently protect the optical fibers, and have a designed length and high applicability.
The object of the invention can be achieved by the following technical measures:
the invention provides an optical fiber circuit structure unit, which comprises a metal corrugated pipe, a plurality of carbon steel wires, a stainless steel mesh and an outer pipe, wherein the metal corrugated pipe is wrapped outside an optical fiber from inside to outside;
the carbon steel wires are uniformly distributed around the metal corrugated pipe and used for maintaining the stable posture of the optical fiber; the stainless steel net is arranged on the inner wall of the outer pipe, and elastic supporting materials are filled between the metal corrugated pipe and the outer pipe and used for reducing vibration and maintaining the relative positions of the metal corrugated pipe and the carbon steel wires to be stable;
the metal corrugated pipe is of an uninterrupted structure and is consistent with the optical fiber, and the plurality of carbon steel wires are of a sectional structure, so that the circuit structure is ensured to take the metal corrugated pipe as a bending center;
a plug and a first clamping sleeve are arranged at one end of the outer pipe, the stainless steel net and the outer pipe are clamped by the first clamping sleeve, and the plug is inserted into the stainless steel net and then fixed by the first clamping sleeve;
a joint and a second clamping sleeve are arranged at the other end of the outer pipe, the stainless steel net and the outer pipe are clamped by the second clamping sleeve, one end of the joint is inserted into the stainless steel net and then fixed by the second clamping sleeve; the other end of the connector is provided with a check ring and a sealing ring, and the check ring is fixedly connected with a plug of another optical fiber circuit structural unit and used for lengthening an optical fiber circuit or is fixedly connected with the outside; the sealing ring is sleeved on the metal corrugated pipe and used for enhancing the sealing effect of the joint.
Furthermore, the metal corrugated pipe is a stainless steel continuous annular corrugated pipe, and the material of the metal corrugated pipe is 304L or 316L stainless steel.
Furthermore, the carbon steel wires have the diameter of 1.8-2.2mm, the length of less than 1.5m, the number of 2-4 and are made of low-carbon steel.
Furthermore, the carbon steel wire is made of Q235 low-carbon steel.
Further, the elastic support material is an EVA resin foamed product or rubber-based foam.
Further, the density of the stainless steel net is 20-40 meshes, and the material is 304L or 316L stainless steel.
Furthermore, inner threads are arranged on the inner walls of the first clamping sleeve and the second clamping sleeve, outer threads are arranged on the outer walls of the plug and the joint, and the first clamping sleeve and the plug and the second clamping sleeve and the joint are fixedly connected through thread pairs.
Furthermore, the plug and the joint are made of 304L or 316L stainless steel.
Furthermore, the retaining ring is a movable nut retaining ring made of 304L or 316L stainless steel, the sealing ring is made of rubber, and the outer pipe is made of PU or PE.
The invention also provides an optical fiber circuit which comprises a plurality of optical fiber circuit structure units, wherein the metal corrugated pipe for controlling the optical fiber circuit is of an uninterrupted structure and is consistent with the optical fiber, and the check ring of one optical fiber circuit structure unit is fixedly connected with the plug of the other optical fiber circuit structure unit and sequentially connected end to form the optical fiber circuit.
According to the optical fiber circuit structural unit, the metal corrugated pipe is arranged on the inner layer to protect an optical fiber, the carbon steel wire is arranged around the metal corrugated pipe to maintain a stable posture, the metal corrugated pipe is used as a bending center of the optical fiber circuit structural unit during bending, the elastic supporting material is filled to provide good vibration reduction effect, supporting effect and elastic toughness, the rebound resilience is strong, and the relative position of the metal corrugated pipe and the carbon steel wire can be ensured to be stable; a plurality of optical fiber circuit constitutional unit connects end to end in proper order and forms the optical fiber circuit, and quantity can be designed according to the length requirement of optical fiber circuit, and the suitability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of a fiber circuit structural unit of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
description of reference numerals: 1-a metal bellows; 2-carbon steel wire; 3-an elastic support material; 4-stainless steel mesh; 5-an outer tube; 6-a linker; 7-a plug; 8-a first clamping sleeve; 9-sealing ring; 10-a retainer ring; 11-second clamping sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In order to make the description of the present disclosure more complete and complete, the following description is given for illustrative purposes with respect to the embodiments and examples of the present invention; it is not intended to be the only form in which the embodiments of the invention may be practiced or utilized. The embodiments are intended to cover the features of the various embodiments as well as the method steps and sequences for constructing and operating the embodiments. However, other embodiments may be utilized to achieve the same or equivalent functions and step sequences.
The invention provides an optical fiber circuit structure unit, which comprises a metal corrugated pipe 1, a plurality of carbon steel wires 2, a stainless steel net 4 and an outer pipe 5, wherein the metal corrugated pipe 1 is wrapped outside an optical fiber from inside to outside as shown in figures 1-2.
The carbon steel wires 2 are uniformly distributed around the metal corrugated pipe 1, the metal corrugated pipe 1 is of an uninterrupted structure and is consistent with the optical fiber and used for protecting the optical fiber, the carbon steel wires 2 are of a sectional structure, the end parts of the carbon steel wires are floating and unfixed to ensure that a circuit structure has strong adaptability, and the metal corrugated pipe 1 is used as a bending center and used for maintaining the stable posture of the optical fiber.
The stainless steel net 4 is arranged on the inner wall of the outer pipe 5, so that the strength and the tensile resistance of the optical fiber circuit structural unit are enhanced. Elastic supporting materials 3 are filled between the metal corrugated pipe 1 and the outer pipe 5, so that the metal corrugated pipe has a good supporting effect and good elastic toughness, has strong rebound resilience, can maintain the relative position stability of the metal corrugated pipe 1 and the carbon steel wire 2, and can provide a good vibration damping effect. The outer tube 5 has the effects of sealing, insulating and enhancing the wear resistance.
A plug 7 and a first clamping sleeve 8 are arranged at one end of the outer pipe 5, the stainless steel net 4 and the outer pipe 5 are clamped by the first clamping sleeve 8, and the plug 7 is inserted into the stainless steel net 4 and then fixed by the first clamping sleeve 8.
A joint 6 and a second clamping sleeve 11 are arranged at the other end of the outer pipe 5, the stainless steel net 4 and the outer pipe 5 are clamped by the second clamping sleeve 11, one end of the joint 6 is inserted into the stainless steel net 4 and then fixed by the second clamping sleeve 11; the other end of the joint 6 is provided with a check ring 10 and a sealing ring 9, and the check ring 10 is fixedly connected with a plug of another optical fiber circuit structural unit for lengthening an optical fiber circuit or fixedly connected with the outside; the sealing ring 9 is sleeved on the metal corrugated pipe 1 and used for enhancing the sealing effect of the joint.
The metal corrugated pipe 1 is preferably a stainless steel continuous annular corrugated pipe made of 304L or 316L stainless steel, the outer surface of the stainless steel continuous annular corrugated pipe 1 is smooth, no clamping stagnation is generated between the corrugated pipe and an elastic supporting material filling layer during bending, the structure is stable, the service life is long, the radial size (wall thickness) is thin, the specification is controllable, and customized requirements under various application conditions can be met.
The diameter of the carbon steel wire 2 is preferably 1.8-2.2mm, the length is preferably less than 1.5m, the number is preferably 2-4, the material is preferably low carbon steel, such as Q235 low carbon steel, the low carbon steel is selected, the strength is low, and the plasticity is good. The elastic support member 3 is preferably an EVA resin foam or a rubber-based foam, and has good flexibility and vibration resistance, but other materials having similar functions may be selected. The density of the stainless steel net 4 is preferably 20-40 meshes, and the material is preferably 304L or 316L stainless steel.
The inner walls of the first clamping sleeve 8 and the second clamping sleeve 11 can be provided with internal threads, the outer walls of the plug 7 and the joint 6 are provided with external threads, and the first clamping sleeve 8 and the plug 7, and the second clamping sleeve 11 and the joint 6 are fixedly connected through thread pairs. The material of the plug 7 and the connector 6 is preferably 304L or 316L stainless steel, the retainer ring 10 is preferably a movable nut retainer ring, the material is preferably 304L or 316L stainless steel, and the stainless steel is selected to ensure that the connection is firm, high in strength and durable.
The material of the sealing ring 9 is preferably rubber, so that the sealing effect of the connecting part can be further enhanced. The material of the outer pipe is preferably PU or PE, which has good plasticity, and other suitable plastic materials can be selected according to actual requirements, such as high and low temperature, wear resistance, chemical resistance, corrosion resistance and the like.
The invention also provides an optical fiber circuit which comprises a plurality of optical fiber circuit structure units, wherein the metal corrugated pipe for controlling the optical fiber circuit is of an uninterrupted structure and is consistent with the optical fiber, and the check ring of one optical fiber circuit structure unit is fixedly connected with the plug of the other optical fiber circuit structure unit and sequentially connected end to form the optical fiber circuit. Besides the optical fiber and the metal corrugated pipe wrapped outside the optical fiber, the optical fiber line adopts a sectional type structure scheme, so that the problem that the bending center of an interface is difficult to guarantee when the length of the optical fiber line is too long is solved, and the carbon steel wire and a supporting material have too large friction force and cannot move relatively, so that the carbon steel wire has large stress inside and the plasticity of the optical fiber line is poor.
According to the optical fiber circuit structural unit, the metal corrugated pipe is arranged on the inner layer to protect an optical fiber, the carbon steel wire is arranged around the metal corrugated pipe to maintain a stable posture, the metal corrugated pipe is used as a bending center of the optical fiber circuit structural unit during bending, the elastic supporting material is filled to provide good vibration reduction effect, supporting effect and elastic toughness, the rebound resilience is strong, and the relative position of the metal corrugated pipe and the carbon steel wire can be ensured to be stable; a plurality of optical fiber circuit constitutional unit connects end to end in proper order and forms the optical fiber circuit, and quantity can be designed according to the length requirement of optical fiber circuit, and the suitability is high.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An optical fiber circuit structure unit comprises a metal corrugated pipe, a stainless steel mesh and an outer pipe which are arranged from inside to outside and are wrapped outside an optical fiber,
the carbon steel wires are uniformly distributed around the metal corrugated pipe and used for maintaining the stable posture of the optical fiber; the stainless steel net is arranged on the inner wall of the outer pipe, and elastic supporting materials are filled between the metal corrugated pipe and the outer pipe and used for reducing vibration and maintaining the relative positions of the metal corrugated pipe and the carbon steel wires to be stable;
the metal corrugated pipe is of an uninterrupted structure and is consistent with the optical fiber, and the plurality of carbon steel wires are of a sectional structure, so that the circuit structure is ensured to take the metal corrugated pipe as a bending center;
a plug and a first clamping sleeve are arranged at one end of the outer pipe, the stainless steel net and the outer pipe are clamped by the first clamping sleeve, and the plug is inserted into the stainless steel net and then fixed by the first clamping sleeve;
a joint and a second clamping sleeve are arranged at the other end of the outer pipe, the stainless steel net and the outer pipe are clamped by the second clamping sleeve, one end of the joint is inserted into the stainless steel net and then fixed by the second clamping sleeve; the other end of the connector is provided with a check ring and a sealing ring, and the check ring is fixedly connected with a plug of another optical fiber circuit structural unit and used for lengthening an optical fiber circuit or is fixedly connected with the outside; the sealing ring is sleeved on the metal corrugated pipe and used for enhancing the sealing effect of the joint.
2. The fiber circuit structural unit of claim 1, wherein the metal bellows is a stainless steel continuous annular bellows made of 304L or 316L stainless steel.
3. The optical fiber line structure unit according to claim 1, wherein the carbon steel wire has a diameter of 1.8-2.2mm, a length of less than 1.5m, a number of 2-4, and is made of low carbon steel.
4. The optical fiber line structural unit according to claim 3, wherein the carbon steel wire is made of Q235 low carbon steel.
5. The optical fiber circuit structural unit according to claim 1, wherein the elastic support material is an EVA resin foamed product or a rubber-based foam.
6. The fiber circuit structural unit of claim 1, wherein the stainless steel mesh has a density of 20-40 mesh and is made of 304L or 316L stainless steel.
7. The optical fiber circuit structural unit according to claim 1, wherein inner threads are provided on inner walls of the first clamping sleeve and the second clamping sleeve, outer threads are provided on outer walls of the plug and the joint, and the first clamping sleeve and the plug, and the second clamping sleeve and the joint are fixedly connected by thread pairs.
8. The fiber circuit structural unit of claim 1, wherein the plug and the connector are made of 304L or 316L stainless steel.
9. The optical fiber circuit structural unit according to claim 1, wherein the retainer ring is a movable nut retainer ring made of 304L or 316L stainless steel, the seal ring is made of rubber, and the outer tube is made of PU or PE.
10. An optical fiber circuit, comprising a plurality of optical fiber circuit structural units according to any one of claims 1 to 9, wherein the metal bellows for controlling the optical fiber circuit is of an uninterrupted structure and is in line with an optical fiber, and the retainer ring of one optical fiber circuit structural unit is fixedly connected with the plug of another optical fiber circuit structural unit, which are sequentially connected end to form the optical fiber circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911053102.9A CN110837155B (en) | 2019-10-31 | 2019-10-31 | Optical fiber circuit structure unit and optical fiber circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911053102.9A CN110837155B (en) | 2019-10-31 | 2019-10-31 | Optical fiber circuit structure unit and optical fiber circuit |
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| CN110837155A CN110837155A (en) | 2020-02-25 |
| CN110837155B true CN110837155B (en) | 2020-12-01 |
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| CN109599205A (en) * | 2018-11-09 | 2019-04-09 | 安徽凌宇电缆科技有限公司 | A kind of intelligence engineering equipment uses optoelectronic composite cable |
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| GB2036361B (en) * | 1978-12-04 | 1983-01-12 | Bendix Corp | Reinforced optical fibre conductor and optical fibre cable incorporating such conductors |
| US4639076A (en) * | 1983-11-14 | 1987-01-27 | Allied Corporation | Lens holder assembly for a fiber optic connector |
| JPS6450006A (en) * | 1987-08-21 | 1989-02-27 | Matsushita Electric Ind Co Ltd | Optical fiber cable |
| DE3878791T2 (en) * | 1987-08-27 | 1993-06-09 | American Telephone & Telegraph | FIBER OPTICAL CABLE FOR HIGH TEMPERATURE APPLICATION. |
| US4902090A (en) * | 1989-01-23 | 1990-02-20 | E. I. Du Pont De Nemours And Company | Optical fiber fixing device |
| CN2762159Y (en) * | 2004-12-21 | 2006-03-01 | 徐荣基 | Small armour soft optical cable connection set |
| CN201007747Y (en) * | 2006-11-28 | 2008-01-16 | 河北四方通信设备有限公司 | Optical fiber connector |
| CN201017071Y (en) * | 2006-12-22 | 2008-02-06 | 深圳市恒捷丰光电科技有限公司 | Flexible metal sleeve optical fiber jumper wire |
| CN202230225U (en) * | 2011-08-29 | 2012-05-23 | 四川九洲线缆有限责任公司 | Armoured bow-type drop cable |
| CN106373659B (en) * | 2016-10-25 | 2017-12-26 | 安徽天康(集团)股份有限公司 | A kind of spring sheathed structure optoelectrical cable |
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2019
- 2019-10-31 CN CN201911053102.9A patent/CN110837155B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207852353U (en) * | 2018-02-06 | 2018-09-11 | 许辉 | A kind of power grid thermal control process lightweight resist bending cable |
| CN109599205A (en) * | 2018-11-09 | 2019-04-09 | 安徽凌宇电缆科技有限公司 | A kind of intelligence engineering equipment uses optoelectronic composite cable |
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