CN112259286A

CN112259286A - Novel optical fiber sensing detection cable with good stability

Info

Publication number: CN112259286A
Application number: CN202011043883.6A
Authority: CN
Inventors: 夏文伟; 杨恒勇; 李世华; 陈夕松; 陈熙源; 方峰; 陶明; 吴开明; 伊萨耶夫·奥列格; 张敏; 张国宏; 王强; 袁清; 王佐; 侯华舟
Original assignee: Jiangsu Huaneng Cable Co ltd
Current assignee: Jiangsu Huaneng Cable Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-22

Abstract

The invention relates to the technical field of optical fiber sensing detection cables, and discloses a novel optical fiber sensing detection cable with good stability, which comprises an outer skin layer, wherein a first armor layer is fixedly arranged on the inner wall of the outer skin layer, a second armor layer is fixedly arranged on the inner wall of the first armor layer, a first shielding layer is fixedly arranged on the inner wall of the second armor layer, a wrapping layer is fixedly arranged on the inner wall of the first shielding layer, a first lead is fixedly arranged inside the wrapping layer, a second lead positioned above the first lead is fixedly arranged inside the wrapping layer, and an optical fiber inner core positioned below the second lead is fixedly arranged inside the wrapping layer. This novel good optical fiber sensing detection cable of stability not only can further increase stretch-proofing effect and protecting effect, can also effectual outside electromagnetism of reduction and the influence of signal field to this cable to make the stability of this cable when using better, more convenient to use person uses.

Description

Novel optical fiber sensing detection cable with good stability

Technical Field

The invention relates to the technical field of optical fiber sensing detection cables, in particular to a novel optical fiber sensing detection cable with good stability.

Background

The optical fiber sensing technology starts in 1977, is rapidly developed along with the development of the optical fiber communication technology, is an important mark for measuring the national informatization degree, is widely applied to the fields of military affairs, national defense, aerospace, industrial and mining enterprises, energy environmental protection, industrial control, medicine and health, metering test, construction, household appliances and the like, has a wide market, has hundreds of optical fiber sensing technologies in the world, realizes sensing of different performances by physical quantities such as temperature, pressure, flow, displacement, vibration, rotation, bending, liquid level, speed, acceleration, sound field, current, voltage, magnetic field, radiation and the like, and is applied to the optical fiber sensing technology, the used cable is an optical fiber sensing detection cable, and the optical fiber sensing detection cable is an essential part in the application of the optical fiber sensing technology.

When the existing optical fiber sensing detection cable is used, the stability is poor, the optical fiber sensing detection cable is not convenient to use, the adjacent optical fiber sensing detection cables are mutually dispersed in the using process, the use by a user is not facilitated, the inconvenience is brought to the user, and therefore the novel optical fiber sensing detection cable with good stability is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel optical fiber sensing detection cable with good stability, which has the advantages of good stability and the like, and solves the problems that the existing optical fiber sensing detection cable is poor in stability and inconvenient to use by a user, adjacent optical fiber sensing detection cables are mutually dispersed in the using process, the use by the user is not facilitated, and the inconvenience is brought to the user.

(II) technical scheme

In order to achieve the purpose of good stability, the invention provides the following technical scheme: a novel optical fiber sensing detection cable with good stability comprises an outer skin layer, wherein a first armor layer is fixedly arranged on the inner wall of the outer skin layer, a second armor layer is fixedly arranged on the inner wall of the first armor layer, a first shielding layer is fixedly arranged on the inner wall of the second armor layer, a wrapping layer is fixedly arranged on the inner wall of the first shielding layer, a first wire is fixedly arranged inside the wrapping layer, a second wire positioned above the first wire is fixedly arranged inside the wrapping layer, an optical fiber inner core positioned below the second wire is fixedly arranged inside the wrapping layer, a third wire positioned below the optical fiber inner core is fixedly arranged inside the wrapping layer, insulating layers are sleeved outside the first wire, the second wire and the third wire, a first sheath is sleeved outside the insulating layers, and a second shielding layer is sleeved outside the optical fiber inner core, the second sheath has been cup jointed to the outside of second shielding layer, second sheath, first sheath and around being provided with the filling layer between the covering, the outside fixed mounting of ectoderm has the adapter sleeve, the quantity is two spread grooves all seted up to the left and right sides of adapter sleeve, the inside movable mounting of spread groove has the connecting block, the inside movable mounting of adapter sleeve has the movable block, one side movable mounting that the spread groove was kept away from to the movable block has the stabilizer spring that is located the adapter sleeve inside, one side fixed mounting that stabilizer spring was kept away from to the movable block has the stabilizer block, the inside movable mounting of stabilizer block has the stabilizer ball that extends to the spread groove inside.

Preferably, first armor and second armor are the steel wire armor, and the inside steel wire of first armor evenly twines in the outside of second armor, and the inside steel wire of second armor is netted arranging in the inner wall of first armor.

Preferably, the outer skin layer and the first sheath are polyethylene layers, the thickness of the outer skin layer is not less than five millimeters, and the thickness of the first sheath is not less than one millimeter.

Preferably, the first shielding layer and the second shielding layer are both braided copper wire tape layers, the second sheath is a polypropylene sheath, and a wrapping tape is arranged inside the wrapping layer.

Preferably, the inside of filling layer is provided with the glass fiber rope, glass fiber rope evenly distributed second sheath, first sheath and around between the covering.

Preferably, the connecting block is matched with the connecting groove, the connecting groove extends to the back of the connecting groove from the front face of the connecting sleeve, and the length of the connecting block is twice the depth of the connecting groove.

Preferably, a spring guide post is fixedly mounted on one side of the movable block close to the stabilizing spring and inside the connecting sleeve, and the spring guide post extends to the inside of the stabilizing spring.

Preferably, the movable hole has been seted up to the inside of adapter sleeve, movable hole and movable block looks adaptation, and movable block and stable spring all are located the inside in movable hole.

Preferably, one side of the connecting block, which is close to the stabilizing ball, is provided with a limiting groove, the limiting groove is a circular groove, and the limiting groove is matched with the stabilizing ball.

(III) advantageous effects

Compared with the prior art, the invention provides a novel optical fiber sensing detection cable with good stability, which has the following beneficial effects:

1. this novel good optical fiber sensing detection cable of stability, all adopt the steel wire armoring through first protective layer and second protective layer, first protective layer adopts winding mode, the second protective layer adopts the mode of network, thereby can further increase this fine sensing cable's stretch-proofing effect and protecting effect, thereby stability when using is better, through being provided with first shielding layer and second shielding layer, first shielding layer and second shielding layer are woven the copper ribbon, it has good anti-electromagnetic interference's effect to weave the copper ribbon, thereby can effectually reduce outside electromagnetism and the influence of signal field to this cable, thereby make the stability of this cable when using better, more convenient to use person uses.

2. This novel good optical fiber sensing detection cable of stability, lean on together through the adapter sleeve with two this optical fiber sensing detection cable outsides that are adjacent, and make the spread groove to it each other, then impress the connecting block along the spread groove, after the inside of spread groove is pressed into completely to the connecting block, the stabilizer ball can be located the side of spacing groove, restoring force through stabilizing spring can promote movable block and remove, thereby can make the stabilizer ball remove to the inside of spacing groove, can be stable with the connecting block, thereby can be with two this optical fiber sensing detection cable connection successions that are adjacent, avoid appearing the condition of excessive dispersion, thereby more convenient to use person uses, it can promote stabilizer ball towards stabilizing spring and remove to act on stabilizer ball production component at the in-process connecting block of impressing, can not influence the pushing of connecting block.

Drawings

FIG. 1 is a schematic structural diagram of a novel optical fiber sensing and detecting cable with good stability according to the present invention;

FIG. 2 is an enlarged schematic view of a structure at the A position of the novel optical fiber sensing and detecting cable with good stability according to the present invention;

fig. 3 is an enlarged schematic view of a structure at a position B of the novel optical fiber sensing and detecting cable with good stability.

In the figure: 1 cortex, 2 first armor, 3 second armor, 4 first shielding layers, 5 around covering, 6 first wire, 7 second wire, 8 optic fibre inner cores, 9 third wire, 10 insulating layers, 11 first sheath, 12 second shielding layers, 13 second sheaths, 14 filling layers, 15 connecting sleeves, 16 connecting grooves, 17 connecting blocks, 18 movable blocks, 19 stabilizing springs, 20 stabilizing blocks, 21 stabilizing balls.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a novel optical fiber sensing detection cable with good stability comprises an outer sheath layer 1, a first armor layer 2 is fixedly installed on the inner wall of the outer sheath layer 1, a second armor layer 3 is fixedly installed on the inner wall of the first armor layer 2, both the first armor layer 2 and the second armor layer 3 are steel wire armors, steel wires inside the first armor layer 2 are uniformly wound outside the second armor layer 3, steel wires inside the second armor layer 3 are arranged on the inner wall of the first armor layer 2 in a net shape, a first shielding layer 4 is fixedly installed on the inner wall of the second armor layer 3, a wrapping layer 5 is fixedly installed on the inner wall of the first shielding layer 4, a first wire 6 is fixedly installed inside the wrapping layer 5, a second wire 7 positioned above the first wire 6 is fixedly installed inside the wrapping layer 5, an optical fiber inner core 8 positioned below the second wire 7 is fixedly installed inside the wrapping layer 5, a third wire 9 positioned below the optical fiber inner core 8 is fixedly arranged inside the wrapping layer 5, the first wire 6, the second wire 7 and the third wire 9 are all sleeved with an insulating layer 10, a first sheath 11 is sleeved outside the insulating layer 10, the outer skin layer 1 and the first sheath 11 are polyethylene layers, the thickness of the outer skin layer 1 is not lower than five millimeters, the thickness of the first sheath 11 is not lower than one millimeter, a second shielding layer 12 is sleeved outside the optical fiber inner core 8, a second sheath 13 is sleeved outside the second shielding layer 12, the first shielding layer 4 and the second shielding layer 12 are both braided copper wire tape layers, the second sheath 13 is a polypropylene sheath, wrapping tapes are arranged inside the wrapping layer 5, a filling layer 14 is arranged between the second sheath 13, the first sheath 11 and the wrapping layer 5, glass fiber ropes are arranged inside the filling layer 14, and the second sheath 13 is uniformly distributed on the glass fiber ropes, Between the first sheath 11 and the wrapping layer 5, a connecting sleeve 15 is fixedly installed outside the outer sheath layer 1, two connecting grooves 16 are respectively formed in the left side and the right side of the connecting sleeve 15, a connecting block 17 is movably installed inside the connecting grooves 16, the connecting block 17 is matched with the connecting grooves 16, the connecting grooves 16 extend from the front side of the connecting sleeve 15 to the back side of the connecting grooves 16, the length of the connecting block 17 is twice the depth of the connecting grooves 16, a movable block 18 is movably installed inside the connecting sleeve 15, a stabilizing spring 19 located inside the connecting sleeve 15 is movably installed on one side, away from the connecting grooves 16, of the movable block 18, a spring guide pillar is fixedly installed on one side, close to the stabilizing spring 19, of the movable block 18 and inside of the connecting sleeve 15, the spring guide pillar extends to the inside of the stabilizing spring 19, a movable hole is formed inside the connecting sleeve 15, the movable hole is matched with, the novel optical fiber sensing detection cable with good stability has the advantages that one side, far away from the stabilizing spring 19, of the movable block 18 is fixedly provided with the stabilizing block 20, the stabilizing ball 21 extending into the connecting groove 16 is movably arranged in the stabilizing block 20, one side, close to the stabilizing ball 21, of the connecting block 17 is provided with the limiting groove which is a circular groove, the limiting groove is matched with the stabilizing ball 21, the first protective layer 2 and the second protective layer 3 are both in steel wire armoring, the first protective layer 2 is in a winding mode, the second protective layer 3 is in a network mode, the stretching resistant effect and the protection effect of the optical fiber sensing cable can be further improved, the stability in use is better, the first shielding layer 4 and the second shielding layer 12 are both woven copper wire belts, and the woven copper wire belts have good electromagnetic interference resistant effect, therefore, the influence of external electromagnetic and signal fields on the cable can be effectively reduced, the stability of the cable in use is better, the cable is more convenient for a user to use, the connecting sleeves 15 outside two adjacent optical fiber sensing detection cables are leaned together, the connecting grooves 16 are opposite to each other, then the connecting block 17 is pressed in along the connecting grooves 16, after the connecting block 17 is completely pressed into the connecting grooves 16, the stabilizing ball 21 is positioned on the side surface of the limiting groove, the movable block 18 can be pushed to move by the restoring force of the stabilizing spring 19, so that the stabilizing ball 21 can move into the limiting groove, the connecting block 17 can be stabilized, the two adjacent optical fiber sensing detection cables can be successfully connected, the over-dispersion condition is avoided, the cable is more convenient for the user to use, the connecting block 17 acts on the stabilizing ball 21 to generate component force to push the stabilizing ball 21 to move towards the stabilizing spring 19 in the process of pressing in the connecting block 17, the pushing-in of the connecting piece 17 is not affected.

In summary, in the novel optical fiber sensing and detecting cable with good stability, the first protective layer 2 and the second protective layer 3 are both steel wire armored, the first protective layer 2 is wound, the second protective layer 3 is in a network manner, so that the stretch-resistant effect and the protection effect of the optical fiber sensing cable can be further increased, and the stability during use is better, by arranging the first shielding layer 4 and the second shielding layer 12, the first shielding layer 4 and the second shielding layer 12 are both braided copper ribbons, and the braided copper ribbons have good electromagnetic interference resistance effect, so that the influence of external electromagnetic and signal fields on the cable can be effectively reduced, so that the stability during use of the cable is better, and the cable is more convenient for a user to use, by leaning the connecting sleeves 15 outside the two adjacent optical fiber sensing and detecting cables together, and making the connecting grooves 16 mutually align with each other, then the connecting block 17 is pressed in along the connecting groove 16, after the connecting block 17 is completely pressed into the connecting groove 16, the stabilizing ball 21 is positioned at the side surface of the limiting groove, the restoring force of the stabilizing spring 19 can push the movable block 18 to move, so that the stabilizing ball 21 can move into the limiting groove, and the connecting block 17 can be stabilized, so that two adjacent optical fiber sensing detection cables can be successfully connected, the condition of over dispersion is avoided, and the use by a user is more convenient, the connecting block 17 acts on the stabilizing ball 21 to generate component force to push the stabilizing ball 21 to move towards the stabilizing spring 19 in the process of pressing in the connecting block 17, the pushing in of the connecting block 17 is not influenced, and the problems that the existing optical fiber sensing detection cables are poor in stability and inconvenient to use by the user and the adjacent optical fiber sensing detection cables are mutually dispersed in the use process are solved, is not beneficial to the use of the user and brings inconvenience to the user.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel good optic fibre sensing detection cable of stability, includes skin layer (1), its characterized in that: the inner wall of the outer skin layer (1) is fixedly provided with a first armor layer (2), the inner wall of the first armor layer (2) is fixedly provided with a second armor layer (3), the inner wall of the second armor layer (3) is fixedly provided with a first shielding layer (4), the inner wall of the first shielding layer (4) is fixedly provided with a winding layer (5), the inner part of the winding layer (5) is fixedly provided with a first wire (6), the inner part of the winding layer (5) is fixedly provided with a second wire (7) positioned above the first wire (6), the inner part of the winding layer (5) is fixedly provided with an optical fiber inner core (8) positioned below the second wire (7), the inner part of the winding layer (5) is fixedly provided with a third wire (9) positioned below the optical fiber inner core (8), and the outer parts of the first wire (6), the second wire (7) and the third wire (9) are all sleeved with an insulating layer (10), the outer part of the insulating layer (10) is sleeved with a first sheath (11), the outer part of the optical fiber inner core (8) is sleeved with a second shielding layer (12), the outer part of the second shielding layer (12) is sleeved with a second sheath (13), the first sheath (11) and the wrapping layer (5) are provided with a filling layer (14), the outer part of the outer sheath layer (1) is fixedly provided with a connecting sleeve (15), the left side and the right side of the connecting sleeve (15) are respectively provided with two connecting grooves (16), the inner part of each connecting groove (16) is movably provided with a connecting block (17), the inner part of each connecting sleeve (15) is movably provided with a movable block (18), one side of each movable block (18) far away from the connecting grooves (16) is movably provided with a stabilizing spring (19) positioned in the connecting sleeve (15), one side of each movable block (18) far away from the stabilizing spring (19) is fixedly provided with a stabilizing block, the inside of the stabilizing block (20) is movably provided with a stabilizing ball (21) extending to the inside of the connecting groove (16).

2. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: the steel wire armor is characterized in that the first armor layer (2) and the second armor layer (3) are steel wire armors, steel wires inside the first armor layer (2) are uniformly wound outside the second armor layer (3), and steel wires inside the second armor layer (3) are arranged on the inner wall of the first armor layer (2) in a net shape.

3. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: the outer skin layer (1) and the first sheath (11) are polyethylene layers, the thickness of the outer skin layer (1) is not less than five millimeters, and the thickness of the first sheath (11) is not less than one millimeter.

4. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: the first shielding layer (4) and the second shielding layer (12) are both braided copper wire tape layers, the second sheath (13) is a polypropylene sheath, and a wrapping tape is arranged inside the wrapping layer (5).

5. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: the glass fiber rope is arranged in the filling layer (14), and the glass fiber rope is uniformly distributed among the second sheath (13), the first sheath (11) and the wrapping layer (5).

6. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: the connecting block (17) is matched with the connecting groove (16), the connecting groove (16) extends to the back of the connecting groove (16) from the front face of the connecting sleeve (15), and the length of the connecting block (17) is twice the depth of the connecting groove (16).

7. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: and spring guide columns are fixedly mounted on one side of the movable block (18) close to the stabilizing spring (19) and inside the connecting sleeve (15), and extend to the inside of the stabilizing spring (19).

8. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: the movable hole has been seted up to the inside of adapter sleeve (15), movable hole and movable block (18) looks adaptation, and movable block (18) and stabilizing spring (19) all are located the inside in movable hole.

9. The novel optical fiber sensing detection cable with good stability according to claim 1, wherein: a limiting groove is formed in one side, close to the stabilizing ball (21), of the connecting block (17), the limiting groove is a circular groove, and the limiting groove is matched with the stabilizing ball (21).