CN112002480A - Fire-fighting flame-retardant cable - Google Patents
Fire-fighting flame-retardant cable Download PDFInfo
- Publication number
- CN112002480A CN112002480A CN202010882722.XA CN202010882722A CN112002480A CN 112002480 A CN112002480 A CN 112002480A CN 202010882722 A CN202010882722 A CN 202010882722A CN 112002480 A CN112002480 A CN 112002480A
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- Prior art keywords
- flame
- retardant
- cable
- layer
- fire
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Classifications
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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
- H01B7/29—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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- 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
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Abstract
The invention discloses a fire-fighting flame-retardant cable which comprises a cable body, a connecting male head and a connecting female head, wherein the connecting male head and the connecting female head are respectively arranged at two ends of the cable body, a conductive sleeve block and a conductive insertion block are respectively arranged at two ends of the cable body, the conductive sleeve block is positioned inside the connecting female head, an external thread is arranged on the outer wall of the connecting male head, an internal thread matched with the external thread is arranged on the inner wall of the connecting female head, an annular baffle is integrally formed at one side of the connecting male head, a slot is arranged at one side of the annular baffle, and a limiting plate is arranged on the cable body. According to the invention, a certain amount of graphene is added into the flame-retardant layer, so that the flame-retardant property can be improved by the graphene and base materials such as PVC, and meanwhile, the finally formed composite material has stronger ageing resistance and crack resistance, and the skeleton integrity of the composite material is improved, so that the integrity and the service time of the flame-retardant layer are kept in high-temperature service environments, flame and other environments.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a fire-fighting flame-retardant cable.
Background
The fireproof cable which is widely applied at the present stage mainly comprises two types of UL series flame-retardant cables and flame-retardant low-smoke halogen-free cables. The imported products mainly come from America and Europe, and fire-proof cable standards of America and Europe are not compatible with each other, so that fire-proof ideas are greatly different, therefore, Party A and a design institute are in a passive state when selecting products, have respective reasons, and are finally selected according to actual conditions of capital, and in the fire-proof cables, the fire-fighting cable is one of the most widely used fire-proof cables.
The fire-fighting cable is suitable for providing centralized power supply for evacuation lighting and other important primary power supply loads when a fire disaster occurs in a building, when the alternating current mains supply is normal, the important loads are supplied with power by the alternating current mains supply through the mutual switching device, when the alternating current mains supply is powered off, the mutual switching device is immediately switched to the inverter for supplying power, the power supply time is determined by the capacity of the storage battery, when the mains supply voltage is recovered, the emergency cable is recovered to the mains supply, in order to ensure the safety of data, people hope that after the fire disaster occurs, enough time can be provided for returning all data to a cage before the whole network is broken down, and transferring the data to a safe place to minimize the possibility of data loss, so that in the standards of the cable, a fire protection standard, called a 'line integrity' standard, is provided, and the aim is that the cable can still keep a line unblocked in a fire scene, cables that meet the requirements of series integrity are also referred to as fire cables because they allow power and information to be transmitted properly.
The fire-retardant property of fire-fighting cable is one of the most important properties, and it is urgent to ensure the stable and non-flammable protection material on the surface of electric wire and cable, and we propose a fire-retardant cable for fire-fighting.
Disclosure of Invention
The invention aims to provide a fire-fighting flame-retardant cable, which is characterized in that a certain amount of graphene is added into a flame-retardant layer, so that the flame-retardant performance can be improved by the graphene and a base material such as PVC (polyvinyl chloride) in a synergistic manner, and meanwhile, the finally-formed composite material is endowed with stronger ageing resistance and crack resistance, the framework integrity of the composite material is improved, so that the integrity and the service time of the flame-retardant layer are kept under the environments such as a high-temperature service environment, flame and the like, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: .
The utility model provides a fire control is with fire-retardant type cable, includes the cable body and sets up the public head of connection and the female head of connection at cable body both ends respectively, the both ends of cable body are provided with electrically conductive cover block and electrically conductive inserted block respectively, electrically conductive cover block is located the inside of connecting the female head, the external screw thread has been seted up on connecting the outer wall of public head, connect and set up on the inner wall of female head with external screw thread assorted internal thread, it has annular baffle to connect one side integrated into one piece of public head, the slot has been seted up to one side of annular baffle, be provided with the limiting plate on the cable body, the limiting plate is located one side of connecting the female head, just it slips the suit on the cable body to connect female.
Preferably, the cable body comprises a wire core and a sheath, the sheath is a flame-retardant sheath, and a steel wire for enhancing toughness is arranged inside the sheath.
As preferred, the crust includes wearing layer, fire-retardant layer, waterproof layer, insulating layer and around the covering, fire-retardant layer sets up the inboard at the wearing layer, the waterproof layer sets up the inboard at fire-retardant layer, the insulating layer sets up the inboard at the waterproof layer, around the inboard of covering setting at the insulating layer, just wrap up on the outer wall of sinle silk around the covering.
Preferably, the wear-resistant layer is a nylon wear-resistant layer, the waterproof layer is a polyurethane waterproof layer, the insulating layer is a polyvinyl chloride insulating layer, and the wrapping layer is a braided fabric made of one or more of polyimide fibers, polyarylate fibers and liquid crystal polymer fibers.
Preferably, the flame-retardant layer is prepared from PVC plastics, graphene, vinyl acetate, nano-hydroxyapatite, light calcium, heavy calcium, a stabilizer, PE wax, stearic acid, a mixed auxiliary flame retardant, DOTP, a rare earth nitrate and a titanate coupling agent, wherein the rare earth nitrate is one or a total mixture of lanthanum nitrate, cerium nitrate, europium nitrate and samarium nitrate.
Preferably, the blended auxiliary flame retardant is added to the polymer by a mechanical blending method, and is formed by blending a naphthenic acid based flame retardant and an organic halogen based flame retardant.
Preferably, four groups of through holes are formed in the wear-resistant layer, and the steel wires are inserted in the through holes in a sliding mode.
Preferably, a rubber pad is fixedly bonded to the inner wall of the slot, and the rubber pad is an elastic rubber pad.
Preferably, the outer wall of the connecting female head is provided with an anti-slip sleeve, and the anti-slip sleeve and the connecting female head are integrally formed.
In summary, due to the adoption of the technology, the invention has the beneficial effects that:
according to the invention, a certain amount of graphene is added into the flame-retardant layer, so that the flame-retardant property can be improved by cooperating with base materials such as PVC and the like, meanwhile, the finally formed composite material is endowed with stronger ageing resistance and crack resistance, and the skeleton integrity of the composite material is improved, so that the completeness and the service time of the flame-retardant layer are kept in high-temperature service environments, flame and other environments, and the cable is connected in a male-female head connection mode, so that the connection is more convenient to a certain extent.
Drawings
FIG. 1 is a schematic structural view of a fire-fighting flame-retardant cable according to the present invention;
FIG. 2 is a schematic structural view of a cable body of the flame retardant cable for fire fighting according to the present invention;
fig. 3 is a schematic view of the sheath structure of the flame retardant cable for fire fighting according to the present invention.
In the figure: 1. a cable body; 2. connecting a male head; 3. connecting the female head; 4. a conductive sleeve block; 5. a conductive plug; 6. an external thread; 7. an internal thread; 8. an annular baffle; 9. a slot; 10. a limiting plate; 11. a wire core; 12. a skin; 13. a steel wire; 14. a wear layer; 15. a flame retardant layer; 16. a waterproof layer; 17. an insulating layer; 18. wrapping a covering; 19. a through hole; 20. a rubber pad; 21. an anti-slip sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art from the specification.
The invention provides a fire-fighting flame-retardant cable as shown in figures 1-3, which comprises a cable body 1, a connecting male head 2 and a connecting female head 3, wherein the connecting male head 2 and the connecting female head 3 are respectively arranged at two ends of the cable body 1, a conductive sleeve block 4 and a conductive insertion block 5 are respectively arranged at two ends of the cable body 1, the conductive sleeve block 4 is positioned inside the connecting female head 3, an external thread 6 is arranged on the outer wall of the connecting male head 2, an internal thread 7 matched with the external thread 6 is arranged on the inner wall of the connecting female head 3, an annular baffle 8 is integrally formed at one side of the connecting male head 2, a slot 9 is arranged at one side of the annular baffle 8, a limiting plate 10 is arranged on the cable body 1, the limiting plate 10 is positioned at one side of the connecting female head 3, and the connecting female.
The cable body 1 comprises a wire core 11 and an outer skin 12, the outer skin 12 is a flame-retardant outer skin, and a steel wire 13 for enhancing toughness is arranged inside the outer skin 12;
further, the external thread 6 and the internal thread 7 are both provided with NPT sealing threads, and when the external thread 6 is matched with the internal thread 7, the sealing threads are matched;
through the design, the toughness of the sheath 12 is enhanced through the steel wire 13, so that the toughness of the cable body 1 is enhanced, and the cable body 1 is convenient to use and cannot be damaged due to stress.
The outer skin 12 comprises a wear-resistant layer 14, a flame-retardant layer 15, a waterproof layer 16, an insulating layer 17 and a wrapping layer 18, wherein the flame-retardant layer 15 is arranged on the inner side of the wear-resistant layer 14, the waterproof layer 16 is arranged on the inner side of the flame-retardant layer 15, the insulating layer 17 is arranged on the inner side of the waterproof layer 16, the wrapping layer 18 is arranged on the inner side of the insulating layer 17, and the wrapping layer 18 is wrapped on the outer wall of the wire core 11;
through the design, the cable has flame retardant performance, and also has high waterproofness, high wear resistance and good insulativity.
The wear-resistant layer 14 is a nylon wear-resistant layer, the waterproof layer 16 is a polyurethane waterproof layer, the insulating layer 17 is a polyvinyl chloride insulating layer, and the wrapping layer 18 is a braided fabric made of one or more of polyimide fibers, polyarylate fibers and liquid crystal polymer fibers.
The flame-retardant layer 15 is prepared from PVC plastic, graphene, vinyl acetate, nano-hydroxyapatite, light calcium, heavy calcium, a stabilizer, PE wax, stearic acid, a mixed auxiliary flame retardant, DOTP, a rare earth nitrate and a titanate coupling agent, wherein the rare earth nitrate is one or a total mixture of lanthanum nitrate, cerium nitrate, europium nitrate and samarium nitrate.
Wherein, the mixed auxiliary flame retardant is added into the polymer by a mechanical mixing method and is formed by mixing a naphthenic acid-based flame retardant and an organic halogen flame retardant.
Wherein, the wearing layer 14 is provided with four groups of through holes 19, and the steel wire 13 is inserted in the through holes 19 in a sliding manner.
Wherein, a rubber pad 20 is fixedly bonded on the inner wall of the slot 9, and the rubber pad 20 is an elastic rubber pad;
through the design, when connecting public first 2 and connecting female first 3 and connecting fixedly, the one end of connecting female first 3 is pegged graft in the inside of slot 9 to contradict in one side of rubber pad 20, ensured the leakproofness of connecting public first 2 and connecting female first 3 in the certain stratification degree.
Wherein, the outer wall of the connecting female head 3 is provided with an anti-skid sleeve 21, and the anti-skid sleeve 21 and the connecting female head 3 are integrally formed;
through above-mentioned design, when carrying out cable connection through connecting public first 2 and connecting female first 3, the frictional force of 3 outer walls of female first 3 is connected in the increase of being convenient for, and then is convenient for rotate and connects female first 3.
The structure principle is as follows: according to the invention, a certain amount of graphene is added into the flame-retardant layer 15, so that the flame-retardant property can be improved by cooperation with base materials such as PVC (polyvinyl chloride), the finally-formed composite material is endowed with stronger ageing resistance and crack resistance, and the skeleton integrity of the composite material is improved, so that the completeness and the service time of the flame-retardant layer are kept in high-temperature service environments, flame and other environments, and the cable is connected in a male-female head connection mode, so that the connection is more convenient to a certain extent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
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.
Claims (9)
1. The utility model provides a fire control is with fire-retardant type cable, includes cable body (1) and sets up respectively at male head of connection (2) and the female head of connection (3) at cable body (1) both ends, its characterized in that: the utility model discloses a cable assembly, including cable body (1), cable body, conductive sleeve piece (4), male end (2), slot (9), be provided with limiting plate (10) on cable body (1), the both ends of cable body (1) are provided with conductive sleeve piece (4) and conductive inserted block (5) respectively, conductive sleeve piece (4) are located the inside of connecting female head (3), external screw thread (6) have been seted up on the outer wall of connecting male head (2), set up on the inner wall of connecting female head (3) with external screw thread (6) assorted internal thread (7), one side integrated into one piece of connecting male head (2) has ring baffle (8), slot (9) have been seted up to one side of ring baffle (8), be provided with limiting plate (10) on cable body (1), limiting plate (10) are located one side of connecting female head (3).
2. The flame-retardant cable for fire fighting according to claim 1, characterized in that: the cable body (1) comprises a wire core (11) and a sheath (12), wherein the sheath (12) is arranged to be a flame-retardant sheath, and a steel wire (13) used for enhancing toughness is arranged inside the sheath (12).
3. The flame-retardant cable for fire fighting according to claim 2, characterized in that: crust (12) include wearing layer (14), fire-retardant layer (15), waterproof layer (16), insulating layer (17) and wind covering (18), fire-retardant layer (15) set up the inboard at wearing layer (14), waterproof layer (16) set up the inboard at fire-retardant layer (15), insulating layer (17) set up the inboard at waterproof layer (16), set up the inboard at insulating layer (17) around covering (18), just wrap up on the outer wall of sinle silk (11) around covering (18).
4. The flame-retardant cable for fire fighting according to claim 3, characterized in that: the wear-resistant layer (14) is a nylon wear-resistant layer, the waterproof layer (16) is a polyurethane waterproof layer, the insulating layer (17) is a polyvinyl chloride insulating layer, and the wrapping layer (18) is a braided fabric of one or more of polyimide fibers, polyarylate fibers and liquid crystal polymer fibers.
5. The flame-retardant cable for fire fighting according to claim 3, characterized in that: the flame-retardant layer (15) is prepared from PVC plastics, graphene, vinyl acetate, nano-hydroxyapatite, light calcium, heavy calcium, a stabilizer, PE wax, stearic acid, a mixed auxiliary flame retardant, DOTP, rare earth nitrate and a titanate coupling agent, wherein the rare earth nitrate is one or a total mixture of lanthanum nitrate, cerium nitrate, europium nitrate and samarium nitrate.
6. The flame-retardant cable for fire fighting according to claim 5, characterized in that: the mixed auxiliary flame retardant is added into the polymer by a mechanical mixing method and is formed by mixing a naphthenic acid-based flame retardant and an organic halogen flame retardant.
7. The flame-retardant cable for fire fighting according to claim 3, characterized in that: four groups of through holes (19) are formed in the wear-resistant layer (14), and the steel wire (13) is inserted in the through holes (19) in a sliding mode.
8. The flame-retardant cable for fire fighting according to claim 1, characterized in that: the inner wall of the slot (9) is fixedly bonded with a rubber pad (20), and the rubber pad (20) is an elastic rubber pad.
9. The flame-retardant cable for fire fighting according to claim 1, characterized in that: the anti-skidding female head is characterized in that an anti-skidding sleeve (21) is arranged on the outer wall of the connecting female head (3), and the anti-skidding sleeve (21) and the connecting female head (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882722.XA CN112002480A (en) | 2020-08-28 | 2020-08-28 | Fire-fighting flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882722.XA CN112002480A (en) | 2020-08-28 | 2020-08-28 | Fire-fighting flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112002480A true CN112002480A (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010882722.XA Pending CN112002480A (en) | 2020-08-28 | 2020-08-28 | Fire-fighting flame-retardant cable |
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| Country | Link |
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| CN (1) | CN112002480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420361A (en) * | 2022-01-20 | 2022-04-29 | 浙江中兴电缆有限公司 | Special fire-fighting dual-flame-retardant power cable |
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| CN105161201A (en) * | 2015-08-06 | 2015-12-16 | 台州携康电子有限公司 | Flame-retardant cable |
| CN207896385U (en) * | 2018-01-16 | 2018-09-21 | 东莞市建利线材有限公司 | A kind of four core vehicle-mounted monitoring connecting lines |
| CN208461099U (en) * | 2018-08-02 | 2019-02-01 | 泰兴市领航电连接器有限公司 | A kind of moisture resistant cable connector |
| CN209200272U (en) * | 2018-11-29 | 2019-08-02 | 昆山三朋友电电子有限公司 | A kind of high leakproofness plug assembly |
| CN209729546U (en) * | 2019-05-05 | 2019-12-03 | 安徽龙庵电缆集团有限公司 | A kind of mineral insulating flexible fireproof cable |
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2020
- 2020-08-28 CN CN202010882722.XA patent/CN112002480A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161201A (en) * | 2015-08-06 | 2015-12-16 | 台州携康电子有限公司 | Flame-retardant cable |
| CN207896385U (en) * | 2018-01-16 | 2018-09-21 | 东莞市建利线材有限公司 | A kind of four core vehicle-mounted monitoring connecting lines |
| CN208461099U (en) * | 2018-08-02 | 2019-02-01 | 泰兴市领航电连接器有限公司 | A kind of moisture resistant cable connector |
| CN209200272U (en) * | 2018-11-29 | 2019-08-02 | 昆山三朋友电电子有限公司 | A kind of high leakproofness plug assembly |
| CN209729546U (en) * | 2019-05-05 | 2019-12-03 | 安徽龙庵电缆集团有限公司 | A kind of mineral insulating flexible fireproof cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420361A (en) * | 2022-01-20 | 2022-04-29 | 浙江中兴电缆有限公司 | Special fire-fighting dual-flame-retardant power cable |
| CN114420361B (en) * | 2022-01-20 | 2023-10-13 | 浙江中兴电缆有限公司 | Special two fire-retardant power cable of fire control |
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Application publication date: 20201127 |
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