CN111477395B - Safe type fire prevention composite cable - Google Patents
Safe type fire prevention composite cable Download PDFInfo
- Publication number
- CN111477395B CN111477395B CN202010444697.7A CN202010444697A CN111477395B CN 111477395 B CN111477395 B CN 111477395B CN 202010444697 A CN202010444697 A CN 202010444697A CN 111477395 B CN111477395 B CN 111477395B
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- Prior art keywords
- cable
- fixed
- deformation
- spray tube
- fixed spray
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/185—Sheaths comprising internal cavities or channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a safe fireproof composite cable, which comprises an outer cable protective layer with an elastic function, wherein more than one deformation part is arranged on the outer cable protective layer, the deformation parts are inwards sunken to form a triangular inwards concave part, and cable cores are fixedly arranged on the outer inclined surfaces at two sides of the inwards concave part respectively; the deformation part protrudes outwards and forms a triangular outer convex part, an inner protection cavity is formed in the middle of the outer convex part, and the cable core is positioned in the inner protection cavity; the middle of the outer protective layer of the cable forms a mounting cavity, a middle hose is fixedly mounted in the middle of the mounting cavity, a sealed gas storage cavity is formed in the middle hose, inert gas is filled in the gas storage cavity, and more than one fixed spray pipe is equidistantly arranged in the deformation part. The cable provided by the invention has very good fireproof performance, can effectively protect the cable from spontaneous combustion, improves the use safety of the cable, and has very good shear resistance and pressure resistance.
Description
Technical Field
The invention relates to the field of cables, in particular to a safe fireproof composite cable.
Background
The cable is applied to various fields, generally comprises an inner core wire and an outer protective layer, and an aging process can occur after the cable is used for a long time, and once the cable is aged, spontaneous combustion of the cable is easily caused, and the fire accident happens. And because the arranged positions of a plurality of cables are hidden, the cables are not easy to overhaul and are often seen after a fire disaster happens. And once the existing cable is pressed and sheared, the outer protective layer deforms and breaks, so that the core wire of the cable is directly damaged, the service life is short, and the use is insufficient.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a safe fireproof composite cable, which not only has very good fireproof capacity, but also has very good compression resistance and shear resistance, and can greatly prolong the service life of the cable.
The invention is realized by the following technical scheme: a safety fireproof composite cable comprises an outer cable protective layer with an elastic function, wherein more than one deformation part is arranged on the outer cable protective layer, the deformation parts are inwards sunken to form triangular inner concave parts, and cable cores are fixedly arranged on outer inclined surfaces on two sides of the inner concave parts respectively; the deformation part protrudes outwards and forms a triangular outer convex part, an inner protection cavity is formed in the middle of the outer convex part, and the cable core is positioned in the inner protection cavity; the middle of the outer protective layer of cable forms a mounting cavity, and the hose in the middle of the fixed mounting of department in the middle of the mounting cavity has a sealed gas storage chamber in the middle hose, and the gas storage intracavity packs inert gas, the deformation portion equidistance is provided with more than one fixed spray tube, just all sets up a fixed orifices on the middle hose to every fixed spray tube, when the deformation portion warp to interior concave part, fixed spray tube insert in the fixed orifices and with fixed orifices fixed connection, the inside jet-propelled passageway of fixed spray tube passes through the fixed orifices and seals, switches on through the connecting tube connection more than one between fixed spray tube and the gas storage chamber.
As an optimized technical scheme, each connecting conduit corresponds to one fixed spray pipe, an air guide channel is arranged between each connecting conduit and the corresponding fixed spray pipe, the air guide channels are arranged in the connecting conduits and the cable outer protective layer and are finally connected and communicated with the fixed spray pipes, and the air inlet end of each air guide channel is directly communicated with the air storage cavity.
As a preferred technical scheme, one end of the connecting conduit is fixedly connected with the outer cable protective layer, and the other end of the connecting conduit is fixedly connected with the middle hose.
As the preferred technical scheme, glue is applied between the fixed spray pipe and the fixed hole for fixation.
Preferably, the entire intermediate hose is filled with an inert gas and the intermediate hose is inflated.
As the preferred technical scheme, more than one sealing part is arranged in the cable installation cavity, the sealing parts are arranged at the joint of the deformation part and the cable outer protective layer, when the deformation part recovers deformation and forms an outer convex part, the outer side opening end of the deformation part is sealed through the sealing parts at two sides, a triangular inner protection cavity is formed in the outer convex part through the sealing parts, the cable core wire is located in the inner protection cavity, and the fixed spray pipe is located in the inner protection cavity.
Preferably, the cable core is fixed to the deformation portion by an arc-shaped support portion.
The invention has the beneficial effects that: when the cable is naturally used, the deformation part is in an inward concave shape, namely an inward triangular structure, the cable core wires are positioned at two sides of the deformation part and are used as buffer supports through the deformation part after being pressed, and the cable core wires are far away from a pressed source after being pressed, so that the cable has very good compression resistance and shear resistance;
the fixed spray pipe and the middle hose can be separated by utilizing the flame force of spontaneous combustion of the cable core wire, the concave deformation part is in an outward convex shape, the burnt cable core wire can be isolated, and inert gas is filled into the space, so that the purposes of isolating a fire source and extinguishing fire are achieved, and the use safety of the cable is greatly improved.
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 view of the overall structure of the present invention;
fig. 2 is a state diagram of the present invention in use during auto-ignition conditions.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the safety fireproof composite cable of the present invention comprises an outer cable protective layer 1 with an elastic function, wherein the outer cable protective layer 1 is provided with more than one deformation portion, the deformation portions are recessed inwards to form a triangular inner recess portion 61, and a cable core 3 is fixedly mounted on each of the outer inclined surfaces on both sides of the inner recess portion 61; the deformation part protrudes outwards and forms a triangular outer convex part 62, an inner protection cavity 12 is formed in the middle of the outer convex part 62, and the cable core 3 is positioned in the inner protection cavity 12; the middle installation cavity 13 that forms of cable outer protective layer 1, hose 8 in the middle of the fixed mounting of department in the middle of installation cavity 13, a sealed gas storage cavity 9 has in the middle hose 8, fill inert gas in the gas storage cavity 9, the equidistance is provided with more than one fixed spray tube 5 in the deformation portion, just all set up a fixed orifices 11 on every fixed spray tube 5's middle hose 8, when the deformation portion warp to interior concave part 61, fixed spray tube 5 inserts in fixed orifices 11 and with fixed orifices 11 fixed connection, the inside jet-propelled passageway of fixed spray tube 5 passes through fixed orifices 11 sealedly, be connected through connecting tube 7 more than one between fixed spray tube 5 and the gas storage cavity 9 and switch on.
Wherein, every connecting tube 7 corresponds a fixed spray tube 5, all be provided with an air guide channel 2 between every connecting tube 7 and the fixed spray tube 5 that corresponds, air guide channel 2 lays in connecting tube 7 and cable outer protective layer 1 and finally is connected with fixed spray tube 5 and switches on, the air inlet end and the gas storage chamber 9 of air guide channel 2 directly switch on, after fixed spray tube 5 separates from fixed orifices 11, fixed spray tube 5, air guide channel 2, gas storage chamber 9 three switch on, inert gas in the gas storage chamber 9 spouts from fixed spray tube 5 through air guide channel 2 this moment, and at this moment, because fixed spray tube 5 separates with fixed orifices 11, so the deformation portion resumes the deformation under the elastic force, be the evagination, as shown in fig. 2.
Wherein, connecting tube 7 one end fixed connection cable outer protective layer 1, other end fixed connection intermediate flexible pipe 8, connecting tube 7 has two effects, and one is the intermediate flexible pipe 8 that is used for fixed centre, and the second effect is to be connected fixed spray tube 5 and gas storage chamber 9 and switch on.
Wherein, beat glue between fixed spray tube 5 and the fixed orifices 11 and fix, when the cable normal use, the portion of warping elastic deformation forms the interior concave part of triangle-shaped shape, and 5 one end of fixed spray tube are inserted in fixed orifices 11 and are beaten glue and fix this moment, so fixed spray tube 5 can not be followed and pulled out in fixed orifices 11, and then make the portion of warping can not resume deformation, and fixed spray tube is also in the non-conductive state this moment.
Wherein, the whole middle hose 8 is filled with inert gas and makes the middle hose expand, because the middle hose 8 is in the expansion state, can spout gas fast after switching on.
Wherein, be provided with more than one sealing 4 in the cable installation cavity 13, the department of linking of deformation and cable outer protective layer 1 all sets up a sealing 4, when the deformation resumes deformation and forms outer convex part 62, its outside open end is sealed through the sealing 4 of both sides, form the interior protection chamber 12 of a triangle-shaped shape in outer convex part 62 through sealing 4, cable conductor 3 is arranged in interior protection chamber 12 this moment, fixed spray tube 5 is arranged in interior protection chamber 12, as shown in fig. 2, fixed spray tube 5 switches on this moment, inert gas in the gas storage chamber 9 is spout from fixed spray tube 5 through air guide channel 2, inert gas enters into interior protection chamber 12, utilize inert gas to put out a fire this moment, and utilize the isolated space of sealing simultaneously, prevent the transmission of flame.
In this embodiment, in order to fix the cable core, the cable core 3 is fixed to the deformed portion by an arc-shaped support portion.
The invention has the beneficial effects that: when the cable is naturally used, the deformation part is in an inward concave shape, namely an inward triangular structure, the cable core wires are positioned at two sides of the deformation part and are used as buffer supports through the deformation part after being pressed, and the cable core wires are far away from a pressed source after being pressed, so that the cable has very good compression resistance and shear resistance;
the fixed spray pipe and the middle hose can be separated by utilizing the flame force of spontaneous combustion of the cable core wire, the concave deformation part is in an outward convex shape, the burnt cable core wire can be isolated, and inert gas is filled into the space, so that the purposes of isolating a fire source and extinguishing fire are achieved, and the use safety of the cable is greatly improved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a safe type fire prevention composite cable which characterized in that: the cable comprises an outer cable protection layer with an elastic function, wherein more than one deformation part is arranged on the outer cable protection layer, and when the deformation parts are inwards sunken to form a triangular inwards concave part, a cable core wire is fixedly arranged on each of the outer inclined surfaces at two sides of the inwards concave part; when the deformation part protrudes outwards and forms a triangular outer convex part, an inner protection cavity is formed in the middle of the outer convex part, and the cable core is positioned in the inner protection cavity; the middle of the outer protective layer of cable forms a mounting cavity, and the hose in the middle of the fixed mounting of department in the middle of the mounting cavity has a sealed gas storage chamber in the middle hose, and the gas storage intracavity packs inert gas, the deformation portion equidistance is provided with more than one fixed spray tube, just all sets up a fixed orifices on the middle hose to every fixed spray tube, when the deformation portion warp to interior concave part, fixed spray tube insert in the fixed orifices and with fixed orifices fixed connection, the inside jet-propelled passageway of fixed spray tube passes through the fixed orifices and seals, switches on through the connecting tube connection more than one between fixed spray tube and the gas storage chamber.
2. The safety fireproof composite cable of claim 1, wherein: every connecting pipe corresponds a fixed spray tube, all is provided with an air guide channel between every connecting pipe and the fixed spray tube that corresponds, and the air guide channel is laid in connecting pipe and the cable outer protective layer and finally is connected with fixed spray tube and switches on, and the air inlet end and the gas storage chamber of air guide channel directly switch on.
3. The safety fireproof composite cable of claim 1, wherein: one end of the connecting conduit is fixedly connected with the cable outer protective layer, and the other end of the connecting conduit is fixedly connected with the middle hose.
4. The safety fireproof composite cable of claim 1, wherein: and the fixed spray pipe and the fixed hole are fixed by glue.
5. The safety fireproof composite cable of claim 1, wherein: the entire intermediate hose is filled with an inert gas and the intermediate hose is inflated.
6. The safety fireproof composite cable of claim 1, wherein: be provided with the more than one sealing of portion in the cable installation cavity, the department that links up of deformation portion and cable outer protective layer all sets up a sealing, when deformation portion resumes deformation and forms outer convex part, its outside open end is sealed through the sealing of both sides, forms the interior protection chamber of a triangle-shaped shape in outer convex part through the sealing, and the cable conductor is arranged in the interior protection chamber this moment, and fixed spray tube is arranged in the interior protection chamber.
7. The safety fireproof composite cable of claim 1, wherein: the cable core is fixed on the deformation part through an arc-shaped supporting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444697.7A CN111477395B (en) | 2020-05-23 | 2020-05-23 | Safe type fire prevention composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444697.7A CN111477395B (en) | 2020-05-23 | 2020-05-23 | Safe type fire prevention composite cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111477395A CN111477395A (en) | 2020-07-31 |
| CN111477395B true CN111477395B (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010444697.7A Active CN111477395B (en) | 2020-05-23 | 2020-05-23 | Safe type fire prevention composite cable |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204130236U (en) * | 2014-08-14 | 2015-01-28 | 陆彬燕 | A kind of fireproof cable |
| CN108231264A (en) * | 2017-12-27 | 2018-06-29 | 叶子毓 | A kind of environment-friendly fireproof cable |
| CN208208404U (en) * | 2018-05-28 | 2018-12-07 | 九山电缆有限公司 | Thermal power station's fireproof cable |
| CN109395292A (en) * | 2018-10-23 | 2019-03-01 | 沈奂 | Automatic fire extinguisher equipped with stopping leak structure |
| KR102014421B1 (en) * | 2019-01-15 | 2019-08-26 | 정경인 | Multi cable assembly |
| CN110310772A (en) * | 2019-07-01 | 2019-10-08 | 谭兴亮 | Fire prevention Compression-resistincable cable |
| CN110942858A (en) * | 2019-12-19 | 2020-03-31 | 黄小英 | Burn-proof and anti-distortion cable based on flame-retardant inert gas |
-
2020
- 2020-05-23 CN CN202010444697.7A patent/CN111477395B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204130236U (en) * | 2014-08-14 | 2015-01-28 | 陆彬燕 | A kind of fireproof cable |
| CN108231264A (en) * | 2017-12-27 | 2018-06-29 | 叶子毓 | A kind of environment-friendly fireproof cable |
| CN208208404U (en) * | 2018-05-28 | 2018-12-07 | 九山电缆有限公司 | Thermal power station's fireproof cable |
| CN109395292A (en) * | 2018-10-23 | 2019-03-01 | 沈奂 | Automatic fire extinguisher equipped with stopping leak structure |
| KR102014421B1 (en) * | 2019-01-15 | 2019-08-26 | 정경인 | Multi cable assembly |
| CN110310772A (en) * | 2019-07-01 | 2019-10-08 | 谭兴亮 | Fire prevention Compression-resistincable cable |
| CN110942858A (en) * | 2019-12-19 | 2020-03-31 | 黄小英 | Burn-proof and anti-distortion cable based on flame-retardant inert gas |
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| Publication number | Publication date |
|---|---|
| CN111477395A (en) | 2020-07-31 |
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Effective date of registration: 20210611 Address after: No. c6-1-1, Yinling science and Technology Industrial Park, Jiangcheng, Yangjiang City, Guangdong Province, 529500 Applicant after: Yangjiang Shuguang cable industry Co.,Ltd. Address before: No.2 xinwulang, Yuanyang village, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: Wu Limin |
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