CN112965191B - Optical cable protection is with preventing separately protector that ignites in succession - Google Patents
Optical cable protection is with preventing separately protector that ignites in succession Download PDFInfo
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- CN112965191B CN112965191B CN202110087336.6A CN202110087336A CN112965191B CN 112965191 B CN112965191 B CN 112965191B CN 202110087336 A CN202110087336 A CN 202110087336A CN 112965191 B CN112965191 B CN 112965191B
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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
- G02B6/4439—Auxiliary devices
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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
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a continuous ignition separation prevention device for protecting an optical cable, which belongs to the technical field of optical cables and comprises an optical cable body; the cutting assembly is characterized in that an annular empty groove is formed in the inner cavity of the front annular shell, and a cutting knife is arranged at the top of the inner cavity of the annular empty groove; the air distribution assembly comprises a rear annular shell which is fixedly connected with one end of the front annular shell and sleeved outside the optical cable body; according to the invention, the protective device is arranged outside the optical cable in a certain interval, when the optical cable is exploded accidentally or burns due to external factors, the cutting knife is stressed quickly and cut downwards under the action of the limiting spring to cut the optical cable into two sections, the stay wire is cut off when the cutting knife falls, the air distribution disc falls into the rear annular shell and is communicated with the annular air bag, pressurized air overflows, the effect of separating fire source foreign matters is achieved, the problem of re-burning is avoided, the problem that the damage degree of the optical cable is increased due to continuous spreading of the optical cable due to burning is solved, and the problem that the use cost is increased due to accidental situations is reduced.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a continuous ignition separation prevention device for optical cable protection.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic sheath, and has no metal such as gold, silver, copper and aluminum, and generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable is formed by subjecting an optical fiber to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.
Some optical cables are poor in installation environment, when the optical cables continuously receive high temperature, the problem of explosion and fire may occur, and the components of the optical cables all contain combustible materials, when the optical cables are accidentally burnt, if the optical cables cannot be timely extinguished, a local fire source can gradually spread forwards along the optical cables, and then the optical cables in a long distance are damaged, the uncombusted optical cables can still be used after subsequent cutting, but due to lack of timely treatment measures, the damage cost of the optical cables is high, the use cost and the danger are increased, and therefore the protective device for preventing continuous ignition and separation for optical cable protection is provided.
Disclosure of Invention
The invention aims to provide a continuous ignition partition prevention device for optical cable protection, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a continuous ignition preventing and separating protection device for protecting an optical cable comprises,
an optical cable body;
the slitting assembly comprises front annular shells which are sleeved outside the optical cable body and are symmetrically arranged, an annular empty groove is formed in the inner cavity of each front annular shell, and a slitting knife is arranged at the top of the inner cavity of each annular empty groove and is of an arc-shaped structure;
the air distribution assembly comprises a rear annular shell fixedly connected with one end of the front annular shell and sleeved outside the optical cable body, a containing shell is vertically inserted into the top of the rear annular shell, and an opening communicated with the inner cavity of the containing shell is formed in the top of the rear annular shell.
Further, divide cutter both ends fixedly connected with tractive spring, tractive spring bottom and annular dead slot inner chamber bottom fixed connection, divide the cutter top transposition to have the pull wire, just divide the cutter top to be equipped with integrated into one piece's bulge loop, the pull wire is worn to establish to back annular shell inner chamber, back annular shell inner chamber is equipped with the cavity of striking sparks, the pull wire is worn to establish to the cavity of striking sparks.
Further, the pull wire is made by combustible material, just the pull wire is straight "Z" type distribution with preceding annular housing and back annular housing inner chamber, preceding annular housing and back annular housing inner chamber all are equipped with the wire piece, and are equipped with annular division board before and between the annular housing.
Furthermore, the dividing cutter is provided with a cutter block close to the side wall of the backward annular shell, the cutter block penetrates through the annular partition plate, the cutter block is arranged at one end of the side wall of the dividing cutter, and the annular partition plate is provided with a strip-shaped opening.
Furthermore, the containing shell inner cavity is movably provided with a gas distribution disc, the top end of the rear annular shell inner cavity is positioned at the opening and is provided with a movable baffle, one end of the movable baffle is connected with an elastic telescopic rod, the other end of the movable baffle is fixedly connected with the end of a stay wire, the elastic telescopic rod is in a stretching state under the action of the stay wire, one end of the stay wire is distributed along the inner wall of the rear annular shell and is finally fixed on the surface of a boss, the boss is fixedly arranged at one end, close to the front annular shell, of the rear annular shell, and the protruding block is positioned under the cutter block.
Furthermore, an inner concave frame is arranged in the inner cavity of the rear annular shell, a pressurized ring-shaped air bag is arranged in the inner concave frame, the ring-shaped air bag is connected with an air guide channel through a one-way exhaust valve, the air guide channel is arranged in the inner cavity of the transverse plate, the transverse plate is horizontally and fixedly arranged in the inner cavity of the rear annular shell, a fire ignition hole is formed in the surface of the rear annular shell, and the fire ignition hole is communicated with the fire ignition cavity.
Further, the air guide passageway is given vent to anger the end and is connected with pressing the air cock, press the air cock and be fixed in on the base, the base is fixed in the diaphragm top surface, divide evenly to offer the gas vent that deviates from preceding annular shell on the gas disk, just divide the gas disk bottom to offer and press the air inlet that the air cock corresponds.
Further, the surface that divides the gas dish to be close to preceding annular shell is equipped with the front cover subassembly, the front cover subassembly is including bonding in the tin paper layer that divides the gas dish surface, the tin paper layer outside is equipped with the protection rete, annular shell one side is equipped with the membrane knife before holding shell inner chamber bottom is close to, the recess that corresponds with gas dish whereabouts position is seted up to back annular shell inner wall.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the protective device is arranged outside the optical cable in a certain interval, when the optical cable is exploded accidentally or burns due to external factors, a fire source enters the ignition cavity through the ignition hole, the traction wire is burnt off, the cutting knife is stressed and cut downwards rapidly under the action of the traction spring, the optical cable is cut into two sections, the stay wire is cut off when the cutting knife falls, the movable baffle plate is pulled open, the air distribution disc falls into the rear annular shell to be communicated with the annular air bag, pressurized air overflows and blows airflow to the burning side of the optical cable, the effect of separating foreign matters in the fire source is achieved, the problem of afterburning is avoided, the problem of increasing damage degree due to continuous spreading of the optical cable due to burning is solved, and the problem of increasing use cost due to accidental situations is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the partial structure of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the cover assembly of the present invention.
In the figure: 100. an optical cable body; 200. a slitting assembly; 201. a front annular shell; 202. an annular empty groove; 203. a slitting knife; 204. a tension spring; 205. a pull wire; 206. a lead block; 207. a priming cavity; 208. an annular partition plate; 300. a gas distribution assembly; 301. a rear annular shell; 302. a housing shell; 303. a movable baffle; 304. an elastic telescopic rod; 305. a gas distribution disc; 306. an inner concave frame; 307. a loop-shaped air bag; 308. a cutter block; 309. a boss; 310. a one-way exhaust valve; 311. a transverse plate; 312. an air guide channel; 313. a base; 314. pressing the air faucet; 315. a firing hole; 400. a cover assembly; 401. a tin paper layer; 402. a protective film layer; 403. a film separating knife; 404. and (4) a groove.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
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, the present invention provides a continuous ignition partition preventing device for protecting an optical cable, including an optical cable body 100; the slitting component 200 comprises front annular shells 201 which are sleeved outside the optical cable body 100 and are symmetrically arranged, an annular empty groove 202 is formed in the inner cavity of each front annular shell 201, a slitting knife 203 is arranged at the top of the inner cavity of each annular empty groove 202, and each slitting knife 203 is of an arc-shaped structure; air distribution assembly 300 includes and just overlaps the outside back annular shell 301 of locating cable body 100 with preceding annular shell 201 one end fixed connection, and the vertical grafting in back annular shell 301 top has holding shell 302, and the opening that communicates with holding shell 302 inner chamber is seted up at back annular shell 301 top.
Referring to fig. 2, two ends of the dividing cutter 203 are fixedly connected with a pulling spring 204, the bottom end of the pulling spring 204 is fixedly connected with the bottom of the inner cavity of the annular hollow groove 202, the top end of the dividing cutter 203 is hinged with a pulling wire 205, the top end of the dividing cutter 203 is provided with an integrally formed convex ring, the pulling wire 205 penetrates through the inner cavity of the rear annular shell 301, the inner cavity of the rear annular shell 301 is provided with a fire cavity 207, the protection device is arranged outside the optical cable at a certain interval, when the optical cable is accidentally exploded or burns due to external factors, a fire source enters the fire cavity 207 through the fire hole 315 to burn off the pulling wire 205, the dividing cutter 203 is rapidly stressed downward under the action of the pulling spring 204 to cut the optical cable into two sections, and the pulling wire 205 penetrates through the fire cavity 207.
Referring to fig. 2, the traction wire 205 is made of a combustible material, and the traction wire 205 and the inner cavities of the front annular shell 201 and the rear annular shell 301 are distributed in a straight "Z" shape, the inner cavities of the front annular shell 201 and the rear annular shell 301 are both provided with a lead block 206, and an annular separation plate 208 is arranged between the front annular shell 201 and the rear annular shell 301.
Referring to fig. 2, a cutter block 308 is fixedly disposed on the side wall of the rear annular shell 301 of the dividing cutter 203, the cutter block 308 penetrates through the annular partition plate 208, the cutter block 308 is disposed at one end of the side wall of the dividing cutter 203, and a strip-shaped opening is formed in the annular partition plate 208.
Referring to fig. 3 and 4, an air distribution disc 305 is movably arranged in an inner cavity of the containing shell 302, a movable baffle 303 is arranged at an opening at the top end of an inner cavity of the rear annular shell 301, one end of the movable baffle 303 is connected with an elastic telescopic rod 304, the other end of the movable baffle 303 is fixedly connected with an end of a pull wire, the elastic telescopic rod 304 is in a stretching state under the action of the pull wire, one end of the pull wire is distributed along the inner wall of the rear annular shell 301 and is finally fixed on the surface of a boss 309, the boss 309 is fixedly arranged at one end of the rear annular shell 301 close to the front annular shell 201, and the boss is located right below the knife block 308.
Referring to fig. 3 and 4, an inner concave frame 306 is disposed in an inner cavity of the rear annular shell 301, a pressurized ring-shaped air bag 307 is disposed in the inner concave frame 306, the ring-shaped air bag 307 is connected with an air guide channel 312 through a one-way exhaust valve 310, a pull wire is cut off by a cutter block 308 when the branch cutter 203 falls, the movable baffle 303 is pulled open, the air distribution disc 305 falls into the rear annular shell 301 to be communicated with the ring-shaped air bag 307, pressurized air overflows and blows air flow to one side of optical cable combustion to achieve the effect of separating fire source foreign matters and avoid the problem of re-ignition, the air guide channel 312 is opened in an inner cavity of a transverse plate 311, the transverse plate 311 is horizontally fixed in the inner cavity of the rear annular shell 301, a fire hole 315 is disposed in the surface of the rear annular shell 301, and the fire hole 315 is communicated with the fire cavity 207.
Referring to fig. 3 and 4, the air outlet end of the air guide channel 312 is connected to the pressing nozzle 314, the pressing nozzle 314 is fixed on the base 313, the base 313 is fixed on the top surface of the horizontal plate 311, the air distribution plate 305 is uniformly provided with an air outlet deviating from the front annular shell 201, and the bottom of the air distribution plate 305 is provided with an air inlet corresponding to the pressing nozzle 314.
Referring to fig. 3 and 4, a cover assembly 400 is disposed on the surface of the air distribution disc 305 close to the front annular shell 201, the cover assembly 400 includes a layer of tinfoil 401 adhered to the surface of the air distribution disc 305, a protective film 402 is disposed on the outer side of the layer of tinfoil 401, a film separation knife 403 is disposed on the bottom end of the inner cavity of the accommodating shell 302 close to one side of the front annular shell 201, and a groove 404 corresponding to the falling position of the air distribution disc 305 is disposed on the inner wall of the rear annular shell 301.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, the specific connection mode of each part adopts the conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so the detailed description is omitted.
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)
1. The utility model provides an optical cable protection is with preventing separately protector that ignites in succession which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a cable body (100);
the slitting component (200) comprises front annular shells (201) which are sleeved outside the optical cable body (100) and symmetrically arranged, an annular empty groove (202) is formed in the inner cavity of each front annular shell (201), a slitting knife (203) is arranged at the top of the inner cavity of each annular empty groove (202), and each slitting knife (203) is of an arc-shaped structure;
the air distribution assembly (300) comprises a rear annular shell (301) fixedly connected with one end of the front annular shell (201) and sleeved outside the optical cable body (100), the top of the rear annular shell (301) is vertically inserted with a containing shell (302), and the top of the rear annular shell (301) is provided with an opening communicated with an inner cavity of the containing shell (302);
the two ends of the dividing cutter (203) are fixedly connected with traction springs (204), the bottom end of each traction spring (204) is fixedly connected with the bottom of the inner cavity of the annular hollow groove (202), the top end of the dividing cutter (203) is hinged with a traction wire (205), an integrally formed convex ring is arranged at the top end of the dividing cutter (203), the traction wire (205) penetrates through the inner cavity of the rear annular shell (301), a fire ignition cavity (207) is arranged in the inner cavity of the rear annular shell (301), and the traction wire (205) penetrates through the fire ignition cavity (207);
the traction wire (205) is made of a combustible material, the traction wire (205) and inner cavities of the front annular shell (201) body and the rear annular shell (301) are distributed in a straight Z shape, the inner cavities of the front annular shell (201) body and the rear annular shell (301) are respectively provided with a lead block (206), and an annular separation plate (208) is arranged between the front annular shell (201) body and the rear annular shell (301) body;
a cutter block (308) is fixedly arranged on the side wall, close to the rear annular shell (301), of the dividing cutter (203), the cutter block (308) penetrates through the annular partition plate (208), the cutter block (308) is arranged at one end of the side wall of the dividing cutter (203), and a strip-shaped opening is formed in the annular partition plate (208);
the inner cavity of the containing shell (302) is movably provided with an air distribution disc (305), the top end of the inner cavity of the rear annular shell (301) is provided with a movable baffle (303) at an opening, one end of the movable baffle (303) is connected with an elastic telescopic rod (304), the other end of the movable baffle (303) is fixedly connected with the end part of a stay wire, the elastic telescopic rod (304) is in a stretching state under the action of the stay wire, one end of the stay wire is distributed along the inner wall of the rear annular shell (301) and is finally fixed on the surface of a boss (309), the boss (309) is fixedly arranged at one end, close to the front annular shell (201), of the rear annular shell (301), and the boss (309) is positioned under the cutter block (308);
an inner concave frame (306) is arranged in the inner cavity of the rear annular shell (301), a pressurized ring-shaped air bag (307) is arranged in the inner concave frame (306), the ring-shaped air bag (307) is connected with an air guide channel (312) through a one-way exhaust valve (310), the air guide channel (312) is arranged in the inner cavity of a transverse plate (311), the transverse plate (311) is horizontally and fixedly arranged in the inner cavity of the rear annular shell (301), a firing hole (315) is formed in the surface of the rear annular shell (301), and the firing hole (315) is communicated with a firing cavity (207);
the air outlet end of the air guide channel (312) is connected with a pressing air nozzle (314), the pressing air nozzle (314) is fixed on a base (313), the base (313) is fixed on the top surface of the transverse plate (311), air outlets deviating from the front annular shell (201) are uniformly formed in the air distribution disc (305), and an air inlet corresponding to the pressing air nozzle (314) is formed in the bottom of the air distribution disc (305);
divide gas dish (305) to be close to the surface of preceding annular shell (201) and be equipped with front cover subassembly (400), front cover subassembly (400) are including bonding in tinfoil (401) layer on gas dish (305) surface, tinfoil (401) layer outside is equipped with protection rete (402), it is equipped with membrane separation sword (403) to hold annular shell (201) one side before shell (302) inner chamber bottom is close to, recess (404) that correspond with gas dish (305) whereabouts position are seted up to back annular shell (301) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110087336.6A CN112965191B (en) | 2021-01-22 | 2021-01-22 | Optical cable protection is with preventing separately protector that ignites in succession |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110087336.6A CN112965191B (en) | 2021-01-22 | 2021-01-22 | Optical cable protection is with preventing separately protector that ignites in succession |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112965191A CN112965191A (en) | 2021-06-15 |
| CN112965191B true CN112965191B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110087336.6A Active CN112965191B (en) | 2021-01-22 | 2021-01-22 | Optical cable protection is with preventing separately protector that ignites in succession |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202534416U (en) * | 2012-04-13 | 2012-11-14 | 云南云缆电缆(集团)有限公司 | Self-breaking type fireproof cable |
| CN107528109B (en) * | 2017-09-26 | 2022-09-02 | 浙江德通科技有限公司 | 75-ohm ultra-soft aluminum outer conductor radio-frequency coaxial cable |
| CN108986975A (en) * | 2018-07-31 | 2018-12-11 | 扬州明宇线缆有限公司 | A kind of anti-tampering cable of Novel fireproof |
| CN109407247B (en) * | 2019-01-14 | 2023-07-14 | 中动信息产业集团有限公司 | Flame-retardant optical cable |
| CN110444330B (en) * | 2019-07-24 | 2021-06-18 | 扬州创群网络科技有限公司 | Sheath fire-resistant electric wire and cable |
| CN212032735U (en) * | 2020-06-18 | 2020-11-27 | 浦大电缆集团有限公司 | Fireproof cable convenient to cut off |
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2021
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Effective date of registration: 20221122 Address after: 1122 Yuanshen Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200122 Applicant after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Address before: 710061 floor 1-009, building 6, quanquanchen digital entertainment and entrepreneurship Industrial Park, 466 Xiying Road, Qujiang New District, Xi'an City, Shaanxi Province Applicant before: Xie Zhenggang |
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