CN219417813U - Self-adhesive vibration sensing optical cable - Google Patents

Abstract

The utility model discloses a self-adhesive vibration sensing optical cable, which comprises a mounting frame and a vibration sensing optical cable, wherein the front end of the mounting frame is provided with the vibration sensing optical cable, the rear end of the vibration sensing optical cable is buckled with a self-adhesive clamping block, the self-adhesive clamping block is fixedly welded with the mounting frame, the inner wall of the self-adhesive clamping block is provided with adhesive glue, the adhesive glue is covered by a sticker, the self-adhesive clamping block is a half-arc sleeve matched with the outer diameter of the vibration sensing optical cable, and the outer part of the vibration sensing optical cable is provided with a polyethylene optical cable outer sheath. This self-adhesion type vibration sensing optical cable is through being provided with mounting bracket, vibration sensing optical cable, self-adhesion fixture block, bonding glue, and this optical cable passes through the mounting bracket assembly in iron art plane or wall, tears the sticker of self-adhesion fixture block in bonding glue department, makes bonding glue expose and directly bond fixedly with vibration sensing optical cable, avoids the iron wire to tie up or the fixed construction method of hoop, realizes quick assembly, has solved the loaded down with trivial details problem of construction assembly.

Description

Self-adhesive vibration sensing optical cable

Technical Field

The utility model relates to the technical field of vibration sensing optical cables, in particular to a self-adhesive vibration sensing optical cable.

Background

The vibration sensing optical cable transmits optical signals through optical fibers, when the optical fibers in the optical cable vibrate under the influence, the optical fiber sensor captures and collects changed parts in transmitted light, and data are collected and analyzed through the system, so that a warning function is realized.

According to the self-adhesion type vibration sensing optical cable disclosed by application number CN202120718159.2, the self-adhesion type vibration sensing optical cable comprises an insulating rubber sleeve, an installation clamping groove is formed in one side of the outer wall of the insulating rubber sleeve, a T-shaped connection clamping block is arranged in the installation clamping groove, one end of the T-shaped connection clamping block is clamped with the installation clamping groove, an elastic friction film is arranged at the contact position of the T-shaped connection clamping block and the installation clamping groove, an adhesive dry adhesive layer is arranged on the lower surface of the T-shaped connection clamping block, a smooth mirror layer is arranged on the lower surface of the adhesive dry adhesive layer, and a groove protection module is arranged on the outer wall of the smooth mirror layer and the outer wall of the adhesive dry adhesive layer.

The optical cable provided by the technical scheme has some problems in actual working which are not solved yet:

1. during assembly, no matter the optical cable is assembled in an iron fence, an annular iron net or a buried installation or a wall drilling installation, a T-shaped connecting block which is matched with the length of the optical cable is required to be arranged, the whole assembly is complex, and the material consumption is more;

2. the optical cable has simple internal structure and insufficient compactness, and the installation stability is easy to lose efficacy along with the time of repair, so that the outer skin of the internal optical fiber is broken;

3. the performances of corrosion resistance, moisture resistance, oxidation resistance and the like of the optical cable are required to be improved, and when the optical cable is installed outdoors, the optical cable is always worn from the inside, so that the operation safety is affected.

Disclosure of Invention

The utility model aims to provide a self-adhesive vibration sensing optical cable, which aims to solve the problems of complex integral assembly and more consumable materials in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a self-adhesion type vibration sensing optical cable, includes mounting bracket and vibration sensing optical cable, vibration sensing optical cable is installed to the mounting bracket front end, vibration sensing optical cable rear end lock joint has self-adhesion fixture block, self-adhesion fixture block and mounting bracket welded fastening, self-adhesion fixture block inner wall is provided with bonding glue, bonding glue passes through the sticker and covers, self-adhesion fixture block is the half arc cover with vibration sensing optical cable external diameter assorted, vibration sensing optical cable outside is the polyethylene optical cable oversheath, the inside stainless steel optical cable inner sheath that has cup jointed of polyethylene optical cable oversheath, bonding between polyethylene optical cable oversheath and the stainless steel optical cable inner sheath is fixed.

Preferably, a central supporting block is arranged in the middle of the inner wall of the inner sheath of the stainless steel optical cable, an epoxy resin insulating sleeve is sleeved outside the central supporting block, and an anti-deformation isolation block is bonded outside the epoxy resin insulating sleeve.

Preferably, the inside of the central supporting block is filled with flame-retardant polyethylene particles, and the epoxy resin insulating sleeve and the central supporting block are in a concentric circle structure.

Preferably, the outer wall of the deformation-preventing isolation block is provided with a plurality of groups of grooves, and the grooves are distributed annularly about the circle center of the epoxy resin insulation sleeve.

Preferably, optical fiber cores are annularly distributed on the inner wall of the inner sheath of the stainless steel optical cable, twelve groups of optical fiber cores are arranged, the outer parts of the optical fiber cores are respectively coated with a fiber core sheath, and aluminum-clad steel wires are respectively bonded on the outer parts of the fiber core sheaths.

Preferably, the internal gap of the stainless steel optical cable inner sheath is filled with anti-corrosion ointment.

Compared with the prior art, the utility model has the beneficial effects that: the self-adhesive vibration sensing optical cable not only realizes a construction method free from iron wire bundling or hoop fixation, realizes quick assembly, compact structure, high stability and long service life, but also improves the integral anti-corrosion, dampproof and oxidation resistance, and has high operation safety;

(1) The mounting frame, the vibration sensing optical cable, the self-adhesive clamping block and the adhesive glue are arranged, the optical cable is assembled on an iron plane or a wall surface through the mounting frame, and the adhesive paper of the self-adhesive clamping block at the adhesive glue is torn off, so that the adhesive glue is exposed and directly adhered and fixed with the vibration sensing optical cable, and the construction method of iron wire bundling or hoop fixing is avoided, so that the rapid assembly is realized;

(2) The stainless steel optical cable inner sheath, the polyethylene optical cable outer sheath and the deformation-preventing isolation block are arranged, the optical cable adopts an inner-outer double-layer sheath design, so that outdoor crack resistance and freezing resistance are improved, surface aging and cracking caused by long-term wind and sun exposure are avoided when the optical cable is installed outdoors, the tightness is improved, the internal structural strength is improved, each group of optical fiber cores are embedded with the deformation-preventing isolation block, the deformation-preventing isolation block has high deflection resistance and extrusion resistance, the optical cable has long-distance transmission capability, the structural stability of long-distance erection is improved, and the service life is prolonged;

(3) Through being provided with anticorrosive oleamen, aluminium package steel wire, fine core sheath, epoxy insulation cover, fire-retardant polyethylene granule, inside stainless steel optical cable inner sheath, the clearance intussuseption is filled with anticorrosive oleamen, has self-lubricating effect, has improved holistic anticorrosive, dampproofing oxidation resistance, and every optical fiber core of group is all provided with aluminium package steel wire and regard as fine core sheath outward, and mechanical properties improves, and the shielding is good, and fire-retardant polyethylene granule in the epoxy insulation cover then can follow inside improvement fire-retardant ability, avoids the short circuit to cause the fire, and the operational safety is high.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic diagram of a front partial structure of a vibration sensing optical cable of the present utility model;

FIG. 4 is a schematic view of the layered structure of the inner jacket of the optical cable of the present utility model;

FIG. 5 is a schematic side view of a cross-sectional structure of an anti-deformation spacer of the present utility model.

In the figure: 1. a vibration sensing optical cable; 2. a mounting frame; 3. self-adhesive clamping blocks; 4. adhesive glue; 5. an outer jacket of a polyethylene optical cable; 6. stainless steel optical cable inner sheath; 7. an optical fiber core; 8. a core sheath; 9. aluminum-clad steel wire; 10. an anti-deformation isolation block; 11. an epoxy insulating sleeve; 12. a center support block; 13. antiseptic ointment; 14. flame retardant polyethylene particles; 15. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-5, a self-adhesive vibration sensing optical cable comprises a mounting frame 2 and a vibration sensing optical cable 1, wherein the vibration sensing optical cable 1 is mounted at the front end of the mounting frame 2, a self-adhesive clamping block 3 is fastened at the rear end of the vibration sensing optical cable 1, the self-adhesive clamping block 3 is welded and fixed with the mounting frame 2, an adhesive glue 4 is arranged on the inner wall of the self-adhesive clamping block 3, the adhesive glue 4 is covered by a sticker, the self-adhesive clamping block 3 is a half-arc sleeve matched with the outer diameter of the vibration sensing optical cable 1, a polyethylene optical cable outer sheath 5 is arranged outside the vibration sensing optical cable 1, a stainless steel optical cable inner sheath 6 is sleeved inside the polyethylene optical cable outer sheath 5, and the polyethylene optical cable outer sheath 5 and the stainless steel optical cable inner sheath 6 are adhered and fixed;

specifically, as shown in fig. 1, 2 and 3, the optical cable is assembled on an iron plane or a wall surface through the mounting frame 2, during installation, the mounting frame 2 is firstly driven into the plane through the fixing piece, then the vibration sensing optical cable 1 is buckled into the self-adhesive clamping block 3 in a certain coiling mode like a snake shape, the paper of the self-adhesive clamping block 3 at the adhesive glue 4 is torn off, the adhesive glue 4 is exposed and directly adhered and fixed with the vibration sensing optical cable 1, the vibration sensing optical cable 1 can be firmly adhered in the self-adhesive clamping block 3, and the construction method of iron wire bundling or hoop fixing is avoided, so that the quick assembly is realized.

Example 2: a central supporting block 12 is arranged in the middle of the inner wall of the inner sheath 6 of the stainless steel optical cable, an epoxy resin insulating sleeve 11 is sleeved outside the central supporting block 12, an anti-deformation isolation block 10 is bonded outside the epoxy resin insulating sleeve 11, flame-retardant polyethylene particles 14 are filled inside the central supporting block 12, the epoxy resin insulating sleeve 11 and the central supporting block 12 are in a concentric circle structure, a plurality of groups of grooves 15 are formed in the outer wall of the anti-deformation isolation block 10, and the grooves 15 are distributed annularly about the circle center of the epoxy resin insulating sleeve 11;

specifically, as shown in fig. 1, fig. 3, fig. 4 and fig. 5, the optical cable adopts an inner-outer double-layer sheath design, the outer portion adopts a polyethylene optical cable outer sheath 5 to improve outdoor crack resistance and freezing resistance, surface aging and chapping caused by long-term wind and sun exposure are avoided when the optical cable is installed outdoors, so that tightness is improved, a stainless steel optical cable inner sheath 6 is arranged inside, internal structural strength is improved, deformation-preventing isolation blocks 10 are arranged at the positions of epoxy resin insulating sleeves 11, each group of optical fiber cores 7 are embedded with the deformation-preventing isolation blocks 10, dislocation of the optical fiber cores 7 is avoided, deviation-preventing capacity is improved, extrusion is prevented, the optical cable has long-distance transmission capacity, structural stability of long-distance erection is improved, and service life is prolonged.

Example 3: the inner wall of the inner sheath 6 of the stainless steel optical cable is annularly provided with optical fiber cores 7, twelve groups of optical fiber cores 7 are arranged, the outer parts of the optical fiber cores 7 are respectively covered with a fiber core sheath 8, the outer parts of the fiber core sheaths 8 are respectively adhered with aluminum-clad steel wires 9, and the gaps inside the inner sheath 6 of the stainless steel optical cable are filled with anti-corrosion ointment 13;

specifically, as shown in fig. 1, fig. 3, fig. 4 and fig. 5, inside the stainless steel optical cable inner sheath 6, a plurality of groups of optical fiber cores 7 are distributed in a central tubular shape, the structure is compact, anti-corrosion ointment 13 is filled in a gap, the optical cables are critically protected, even if the optical cables are dislocated, the optical cables cannot be worn out each other due to extrusion friction, the optical cables have self-lubricating effect, the internal corrosion capacity is greatly reduced, the integral anti-corrosion, moisture-proof and oxidation resistance is improved, aluminum-clad steel wires 9 are arranged outside each group of optical fiber cores 7 to serve as the optical fiber core sheath 8, the mechanical property is improved, the shielding property is good, the flame retardant capability can be improved from inside due to the fact that the central supporting blocks 12 in the epoxy resin insulating sheath 11 are short-circuited, and the operation safety is high.

Working principle: when the optical fiber sensor is affected by external interference, part of characteristics of transmitted light in the optical fiber are changed, and the characteristics (namely attenuation, phase, wavelength, polarization, mode field distribution and propagation time) of the light can be detected through signal acquisition and analysis by configuring special sensing equipment. The characteristic change of light passes through the optical cable transmission, then through the special algorithm and the analysis processing through alarm controller, distinguish third party invasion action and normal interference, realize warning and locate function, when the optical cable is installed, firstly, drive into the plane with mounting bracket 2 through the mounting bracket, afterwards, detain vibration sensing optical cable 1 in self-adhesion fixture block 3 inside according to certain coiling mode like snakelike, tear the sticker of self-adhesion fixture block 3 in bonding glue 4 department, make bonding glue 4 expose and directly bond fixedly with vibration sensing optical cable 1, make vibration sensing optical cable 1 can firmly bond in self-adhesion fixture block 3, avoid the iron wire to tie up or the fixed construction method of hoop, realize quick assembly.

Claims (7)

1. The utility model provides a self-adhesion formula vibration sensing optical cable, includes mounting bracket (2) and vibration sensing optical cable (1), its characterized in that: vibration sensing optical cable (1) is installed to mounting bracket (2) front end, vibration sensing optical cable (1) rear end lock joint has self-adhesion fixture block (3), self-adhesion fixture block (3) and mounting bracket (2) welded fastening, self-adhesion fixture block (3) inner wall is provided with bonding glue (4), bonding glue (4) cover through the sticker, self-adhesion fixture block (3) be with vibration sensing optical cable (1) external diameter assorted half arc cover, vibration sensing optical cable (1) outside is polyethylene optical cable oversheath (5), stainless steel optical cable oversheath (6) have been cup jointed to polyethylene optical cable oversheath (5) inside, bonding between polyethylene optical cable oversheath (5) and the stainless steel optical cable oversheath (6) is fixed.

2. A self-adhesive vibration sensing fiber optic cable according to claim 1, wherein: the stainless steel optical cable inner sheath (6) inner wall middle is provided with center supporting block (12), the outside epoxy insulating sleeve (11) that has cup jointed of center supporting block (12), the outside bonding of epoxy insulating sleeve (11) has anti-deformation isolation piece (10).

3. A self-adhesive vibration sensing fiber optic cable according to claim 2, wherein: the inside of the center supporting block (12) is filled with flame-retardant polyethylene particles (14), and the epoxy resin insulating sleeve (11) and the center supporting block (12) are in a concentric circle structure.

4. A self-adhesive vibration sensing fiber optic cable according to claim 2, wherein: the outer wall of the deformation-preventing isolation block (10) is provided with a plurality of groups of grooves (15), and the grooves (15) are annularly distributed about the circle center of the epoxy resin insulation sleeve (11).

5. A self-adhesive vibration sensing fiber optic cable according to claim 1, wherein: the stainless steel optical cable inner sheath (6) inner wall annular distribution has fiber cores (7), fiber cores (7) are provided with twelve groups altogether, the outside all cladding of fiber cores (7) has fiber core sheath (8).

6. A self-adhesive vibration sensing fiber optic cable according to claim 5, wherein: the outside of the fiber core sheath (8) is adhered with aluminum-clad steel wires (9).

7. A self-adhesive vibration sensing fiber optic cable according to claim 1, wherein: the internal gap of the stainless steel optical cable inner sheath (6) is filled with anti-corrosion ointment (13).