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CN218768850U - Fire-fighting cable - Google Patents

Fire-fighting cable Download PDF

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Publication number
CN218768850U
CN218768850U CN202222795222.XU CN202222795222U CN218768850U CN 218768850 U CN218768850 U CN 218768850U CN 202222795222 U CN202222795222 U CN 202222795222U CN 218768850 U CN218768850 U CN 218768850U
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China
Prior art keywords
sinle silk
fire
cable
layer
power
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CN202222795222.XU
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Chinese (zh)
Inventor
黄万里
赵迪
杨洪文
白瑞伟
姚洪清
沈锦生
王洪道
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Guangzhou Nanyang Cable Group Co ltd
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Guangzhou Nanyang Cable Group Co ltd
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Abstract

The utility model discloses a fire control cable, including control core and a plurality of power sinle silk, control core and power sinle silk transposition form the cable core, the control core is including the first sinle silk that is located cable core central point department and the second sinle silk that is located first sinle silk periphery, power sinle silk and the coaxial setting of control core, a plurality of power sinle silks are arranged in the periphery of first sinle silk along circumference, the second sinle silk is located between the adjacent power sinle silk, between first sinle silk and the second sinle silk, between first sinle silk and the power sinle silk, and all be equipped with insulating filler between second sinle silk and the control sinle silk, this fire control cable's insulating filler improves fire resistance, guarantee this fire control cable circuit's integrality, accord with the fire control operation requirement, the control sinle silk can be the signboard, equipment such as warning light provide the power supply, the power sinle silk can be spray set, fire control equipment such as rescue equipment provides continuous power supply, this fire control cable reduces the quantity of laying cable, the compliance is high, lay the degree of difficulty low.

Description

Fire-fighting cable
Technical Field
The utility model is used for cable technical field especially relates to a fire control cable.
Background
At present, fire-fighting facilities are required to be equipped in places or buildings with intensive personnel, such as buildings, office buildings, libraries, hospitals, schools, parking lots and the like, which are sensitive to fire safety, wherein the fire-fighting facilities comprise an automatic fire alarm system and an automatic spray fire extinguishing system, both of which need to use fire-resistant cables, particularly the automatic spray fire extinguishing system, and are generally configured along a cable line.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a fire control cable, it lays conveniently, low in manufacturing cost.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a fire control cable, includes control sinle silk and a plurality of power sinle silk, the control sinle silk with the transposition of power sinle silk forms the cable core, the control sinle silk is including being located the first sinle silk of cable core central point department and being located the second sinle silk of first sinle silk periphery, power sinle silk with the coaxial setting of control sinle silk is a plurality of power sinle silk is arranged along circumference the periphery of first sinle silk, the second sinle silk is located adjacently between the power sinle silk, first sinle silk with between the second sinle silk first sinle silk with between the power sinle silk, and the second sinle silk with all be equipped with insulating filler between the control sinle silk.
Preferably, the power line core comprises a first conductor and a first fire-resistant layer, and the first fire-resistant layer wraps the periphery of the first conductor.
Preferably, the first fire-resistant layer comprises a ceramic silicon rubber composite belt arranged on the inner layer and a mica belt arranged on the outer layer, the covering rate of the ceramic silicon rubber composite belt is 10% -15%, and the covering rate of the mica belt is 5% -10%.
Preferably, an isolation layer is wrapped on the periphery of the first fire-resistant layer, the isolation layer comprises a polyester tape, and the overlapping rate of the isolation layer is 10% -20%.
Preferably, the control wire core comprises a second conductor and a second fire-resistant layer, and the second fire-resistant layer is extruded on the periphery of the second conductor.
Preferably, the periphery of the cable core is provided with a flame-retardant layer, the insulating filler is arranged between the cable core and the flame-retardant layer, and the flame-retardant layer is wrapped on the periphery of the cable core.
Preferably, the flame-retardant layer is a halogen-free low-smoke high-flame-retardant wrapping tape, and the covering rate of the flame-retardant layer is 10% -20%.
Preferably, the insulating filler comprises ceramic fireproof silica gel cement, and the thickness of the insulating filler is 1.5 mm-2.0 mm.
Preferably, the periphery of the flame-retardant layer is provided with an outer sheath, and the outer sheath is extruded on the flame-retardant layer.
Preferably, the outer sheath is a low-smoke halogen-free flame-retardant sheath, and the thickness of the outer sheath is 1.8 mm-3.5 mm.
One of the above technical solutions has at least one of the following advantages or beneficial effects: this fire control cable passes through the control sinle silk and the transposition of power sinle silk forms the cable core, improve fire resistance through filling insulating filler, guarantee this fire control cable circuit's integrality, accord with fire control operation requirement, the control sinle silk can be for the signboard, equipment such as warning light provides power supply, the power sinle silk can be for spray set, fire control equipment such as rescue equipment provides continuous power supply, effectively reduce the quantity of laying the cable, the control sinle silk of this fire control cable is including the first sinle silk that is located cable core central point department and the second sinle silk that is located first sinle silk periphery, and the alternative setting that adopts control sinle silk and a plurality of power sinle silks makes this fire control cable's bend radius little, the compliance is high, the transportation is convenient, and reduce the manufacturing cost, facilitate the use and routine maintenance, reduce and lay the degree of difficulty.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated 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 utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can be detachably connected and can be integrally formed; may be mechanically connected, may be electrically connected or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
The embodiment of the utility model provides a fire control cable, see fig. 1, including control core 100 and a plurality of power core 200, control core 100 and power core 200 transposition form cable core 300, control core 100 is including the first sinle silk 110 that is located cable core 300 central point department and the second sinle silk 120 that is located first sinle silk 110 periphery, power core 200 and the coaxial setting of control core 100, a plurality of power sinle silks 200 arrange the periphery at first sinle silk 110 along circumference, second sinle silk 120 is located between the adjacent power sinle silk 200, between first sinle silk 110 and the second sinle silk 120, between first sinle silk 110 and the power sinle silk 200, and all be equipped with insulating filler 400 between second sinle silk 120 and the control sinle silk 100, this fire control cable improves fire resistance through filling insulating filler 400, guarantee the integrality of this fire control cable circuit, accord with the fire control operation requirement, control sinle silk 100 can be the signboard, equipment such as warning light provides power supply, power core 200 can provide continuous power supply for fire control equipment such as rescue equipment, effectively reduce the quantity of laying cable core, this fire control cable core 100 and the convenient maintenance of a plurality of power sinle silk and the reduction of the convenience of the radius of laying, and the convenience of the reduction of the convenience of the maintenance, and the convenience of the high degree of the low cost of the production of the flexibility of laying, and the convenience of the low cost of the flexibility of laying, and the convenience of the production.
Referring to fig. 1, the power core 200 includes a first conductor 210 and a first fire-resistant layer 220, the first fire-resistant layer 220 is wrapped around the periphery of the first conductor 210, preferably, the first conductor 210 is made of annealed copper material, a second type of compacted round annealed copper conductor is adopted, the compacted round conductor is more round and compact than a non-compacted round conductor or a formed conductor, a monofilament cannot be stranded along with bending or impact of a cable, the conductor has no edge angle, the impact of the conductor on the first fire-resistant layer 220 outside is smaller when external impact is applied, and the overall integrity of the first fire-resistant layer 220 can be maintained when the cable is burnt.
Referring to fig. 1, the first flame retardant coating 220 includes a ceramic silicone rubber composite tape disposed at an inner layer and a mica tape disposed at an outer layer, the coverage rate of the ceramic silicone rubber composite tape is 10% to 15%, the coverage rate of the mica tape is 5% to 10%, preferably, the mica tape is a double-sided synthetic mica tape, the first flame retardant coating 220 is produced by adding two layers of the double-sided synthetic mica tape to one layer of the ceramic silicone rubber composite tape, in some embodiments, the ceramic silicone rubber composite tape has a thickness of 0.2mm, and the double-sided synthetic mica tape has a thickness of 0.14mm, and when the mica tape is subjected to a high temperature, the mica tape releases crystal water, so that the temperature around the wire cores can be reduced, the flame retardant coating has excellent flame retardant properties, and the double-sided synthetic mica tape has excellent electrical insulation properties, so that the cable can be ensured to have good electrical insulation between the wire cores under high temperature combustion, but the mica layer becomes brittle after being over-fired, and the mica layer is crushed when the mica tape is subjected to an impact or the impact, the mica tape can be reinforced by a flexible and the double-sided synthetic mica tape can be prevented from forming a high temperature insulating conductor when the ceramic silicone rubber composite conductor is subjected to the impact.
As the utility model discloses preferred embodiment, see fig. 1, the periphery of first flame retardant coating 220 is wrapped there is the isolation layer 230, the isolation layer 230 includes the polyester area, the production methods of isolation layer 230 is for taking the lid in succession around the package, the thickness of isolation layer 230 is 0.05mm, the isolation layer 230 take the lid rate to be 10% ~ 20%, the effect of isolation layer 230 is that to make the cable core 300 more smooth, protect first flame retardant coating 220 when production or laying, avoid because of mutual extrusion between first conductor 210, the friction causes the mica area to scrape brokenly and loses fire-resistant effect, and can increase insulation resistance between first conductor 210.
Referring to fig. 1, the control wire core 100 includes a second conductor 130 and a second refractory layer 140, the second refractory layer 140 is extruded on the outer periphery of the second conductor 130, and preferably, the second conductor 130 is made of annealed copper material, and a fifth type soft conductor is used; the cross section of the conductor is 1.5mm 2 ~6mm 2 The second fire-resistant layer 140 is made of ceramic silicon rubber, the extrusion thickness of the second fire-resistant layer 140 is 0.8-1.2 mm, the ceramic silicon rubber has excellent high-temperature resistance and fire resistance, a ceramic shell can be formed during high-temperature combustion, the second fire-resistant layer 140 can still keep complete when impacted, the overall stability of the cable core is ensured, the phenomenon that the second fire-resistant layer 140 is broken due to the fact that the displacement of an insulating wire core occurs when the second fire-resistant layer is impacted when the inner space is burnt during combustion is avoided, the fire resistance and shock resistance of the cable are improved, and the internal structure of the cable is guaranteed to be compact and not to collapse.
Referring to fig. 1, the periphery of the cable core 300 is provided with a flame retardant layer 500, an insulating filler 400 is arranged between the cable core 300 and the flame retardant layer 500, and the flame retardant layer 500 wraps the periphery of the cable core 300.
Referring to fig. 1, the flame-retardant layer 500 is a halogen-free low-smoke high-flame-retardant wrapping tape, the production mode is that two layers of halogen-free low-smoke high-flame-retardant wrapping tapes are continuously covered with wrapping tapes, the thickness of the halogen-free low-smoke high-flame-retardant wrapping tapes is 0.2mm, the covering rate of the flame-retardant layer 500 is 10% -20%, the halogen-free low-smoke high-flame-retardant wrapping tapes are composed of glass fiber braided belts coated with hydroxide compounds, ceramic fire-resistant silica gel mud is tightly bound during production, the power core 200 is prevented from being locked, the control core 100 is separated from the ceramic fire-resistant silica gel mud, the hydroxide compounds are oxidized and reduced to generate water during combustion of the glass fiber braided belts coated with the hydroxide compounds, the temperature of a combustion part is reduced, meanwhile, the glass fiber braided structure can still keep a complete state after being over-fired, a ceramic-shaped solid body is bound, and the situation that spraying water is cracked and enters the inside of the cable due to vibration impact is avoided.
As the utility model discloses preferred embodiment, refer to fig. 1, insulating filler 400 includes pottery fire prevention silica gel mud, insulating filler 400's thickness is 1.5mm ~ 2.0mm, it is preferred, pottery fire prevention silica gel mud adopts extrusion formula production, pottery fire prevention silica gel mud crowded package is filled between power sinle silk 200 and control sinle silk 100, make whole cable core 300 become whole, pottery silica gel mud can dehydrate rapidly when receiving flame and form the hard firm body of hard pottery form, make whole cable core 300 all cladding wherein, prevent inside moisture gets into the cable when shock resistance, circuit integrality when guaranteeing the burning, the firm body of pottery form can effectively prevent flame erosion cable core simultaneously, protection cable inner structure, pottery fire prevention silica gel mud has certain electric insulation performance simultaneously, can improve this fire control cable's insulation resistance greatly in its embedding control sinle silk 100 and the power sinle silk 200 clearance.
Preferably, referring to fig. 1, an outer sheath 600 is disposed on the outer circumference of the flame retardant layer 500, and the outer sheath 600 is extruded on the flame retardant layer 500.
In some embodiments, the outer sheath 600 is a low-smoke halogen-free flame-retardant sheath, the thickness of the outer sheath 600 is 1.8 mm-3.5 mm, the low-smoke halogen-free flame-retardant sheath has flame retardant performance, and has the characteristics of strong crusting capability at high temperature, low smoke yield and the like, so that the fire can be prevented from spreading under the condition of fire, the impact of flame received in the fire-fighting cable is effectively reduced, and meanwhile, the low-smoke halogen-free flame-retardant sheath has good environmental protection performance and is convenient for people to escape.
The fire-fighting cable can meet the following indexes through detection:
1. cable bundling combustion test: the bundled class A combustion test is met;
2. cable smoke density test: the minimum light transmittance is not lower than 60%;
3. and (3) cable fire resistance test: the flame temperature meeting the requirement of BS 8491 for the 2008 fire resistance is 830-870 ℃, and the combustion time is 120min; the impact starts after being fired for 10min, and the test is performed every 10 min; and 5min before the test is finished, starting to spray water, spraying water once every 60s, wherein the duration of each water spraying is 5s, and the circuit is kept complete.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.

Claims (10)

1. A fire-fighting cable, characterized in that: including control sinle silk and a plurality of power sinle silk, the control sinle silk with the power sinle silk transposition forms the cable core, the control sinle silk is including being located the first sinle silk of cable core central point department of putting and being located the second sinle silk of first sinle silk periphery, power sinle silk with the coaxial setting of control sinle silk, it is a plurality of power sinle silk is arranged along circumference the periphery of first sinle silk, the second sinle silk is located adjacently between the power sinle silk, first sinle silk with between the second sinle silk first sinle silk with between the power sinle silk, and the second sinle silk with all be equipped with insulating filler between the control sinle silk.
2. A fire electricity cable as defined in claim 1, wherein: the power wire core comprises a first conductor and a first fireproof layer, and the first fireproof layer is wrapped on the periphery of the first conductor.
3. A fire electricity cable as defined in claim 2, wherein: the first fire-resistant layer comprises a ceramic silicon rubber composite belt arranged on the inner layer and a mica belt arranged on the outer layer, the covering rate of the ceramic silicon rubber composite belt is 10% -15%, and the covering rate of the mica belt is 5% -10%.
4. A fire electricity cable as defined in claim 2, wherein: the periphery of the first fire-resistant layer is wrapped with an isolation layer, the isolation layer comprises a polyester tape, and the covering rate of the isolation layer is 10% -20%.
5. A fire electricity cable as defined in claim 1, wherein: the control wire core comprises a second conductor and a second fireproof layer, and the second fireproof layer is extruded on the periphery of the second conductor.
6. A fire electricity cable as defined in claim 1, wherein: the periphery of cable core is equipped with fire-retardant layer, the cable core with be equipped with between the fire-retardant layer insulating filler, fire-retardant layer is around the package in the periphery of cable core.
7. A fire electricity cable according to claim 6, wherein: the flame-retardant layer is a halogen-free low-smoke high-flame-retardant wrapping tape, and the covering rate of the flame-retardant layer is 10% -20%.
8. A fire electricity cable according to claim 6, wherein: the insulating filler comprises ceramic fireproof silica gel cement, and the thickness of the insulating filler is 1.5-2.0 mm.
9. A fire electricity cable according to claim 6, wherein: the periphery of the flame-retardant layer is provided with an outer sheath, and the outer sheath is extruded on the flame-retardant layer.
10. A fire electricity cable as defined in claim 9, wherein: the outer sheath is a low-smoke halogen-free flame-retardant sheath, and the thickness of the outer sheath is 1.8 mm-3.5 mm.
CN202222795222.XU 2022-10-21 2022-10-21 Fire-fighting cable Active CN218768850U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222795222.XU CN218768850U (en) 2022-10-21 2022-10-21 Fire-fighting cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222795222.XU CN218768850U (en) 2022-10-21 2022-10-21 Fire-fighting cable

Publications (1)

Publication Number Publication Date
CN218768850U true CN218768850U (en) 2023-03-28

Family

ID=85700689

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222795222.XU Active CN218768850U (en) 2022-10-21 2022-10-21 Fire-fighting cable

Country Status (1)

Country Link
CN (1) CN218768850U (en)

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