CN209133258U - One kind prevents pyrophoricity accident from expanding cable - Google Patents

One kind prevents pyrophoricity accident from expanding cable Download PDF

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Publication number
CN209133258U
CN209133258U CN201822144838.4U CN201822144838U CN209133258U CN 209133258 U CN209133258 U CN 209133258U CN 201822144838 U CN201822144838 U CN 201822144838U CN 209133258 U CN209133258 U CN 209133258U
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CN
China
Prior art keywords
cable
fire
outer covering
layer
fire retardant
Prior art date
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Active
Application number
CN201822144838.4U
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Chinese (zh)
Inventor
徐振铎
赵晋浩
魏勤
杨钊
王淑玲
普建功
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongfeng Cable Co ltd
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Henan Hong Feng Cable Ltd Co
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Publication date
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Priority to CN201822144838.4U priority Critical patent/CN209133258U/en
Application granted granted Critical
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Abstract

The utility model relates to flame retardant cable manufacturing technology fields; specifically disclosing one kind prevents pyrophoricity accident from expanding cable; including outer covering layer, protective layer, insulating layer and conducting wire; the combination of the conducting wire and insulating layer has multiple; protective layer is arranged in the external of the combination of multiple insulating layers and conducting wire; outer covering layer is set outside protective layer; the space outside of the outer covering layer is provided with multiple fire retardant jackets; the fire retardant jacket is cylinder made of fire proofing, and the fire retardant jacket is connect with the outer covering layer interference.The utility model uses the method that the space outside of the outermost outer covering layer of cable is provided with multiple fire retardant jackets, has effectively completely cut off the diffusion that flame after pyrophoricity accident occurs for cable, realizes the purpose fire-retardant in complex condition.

Description

One kind prevents pyrophoricity accident from expanding cable
Technical field
The utility model relates to flame retardant cable manufacturing technology fields, prevent pyrophoricity accident from expanding electricity more particularly, to one kind Cable.
Background technique
With the quickening of urbanization process, the fast development of electric power transmission and communication, so that people want wire and cable Ask higher and higher, not requiring nothing more than cable has the characteristics that safety and environmental protection, and has lower cost.Traditional cable is more It is the most universal with pvc material using inflammable non-environmental protection material.Currently, mainstream cable-flame retardant technology is using innoxious It is nonflammable or without oxidizer be automatically stopped burning material realize cable it is fire-retardant, as notification number CN103021539B discloses one Companding holds A grades of flame resistant cables in kind, and structure includes cable core, the isolation strip that blocks water, inorganic compounding filler, glass fiber packet Band, sheath, armor and oversheath.The core is stranded conductor, conductor shielding, insulation, insulation shielding and metal Shielding;The wrapped isolation strip that blocks water of metallic shield, filling use the inorganic mineral composite powder of special formulation, then wrapped alkali-free Glass fiber band;One layer of sheath, galvanized steel strip and ceramic sheath material are extruded outside band.It is an advantage of the invention that can expire Foot fire-retardant A grades and fire resistant requirements keep insulating inner temperature at 160 DEG C hereinafter, guaranteeing line at 800 DEG C of flame temperature Road operates normally, and improves cable transmission ability due to changing packing material.With fire-retardant, fire resisting, expand transmission capacity, Production technology is easy, is easy to construct, be adapted for use with power station, oil field, skyscraper, subway, airport, chemical industry etc. require it is fire-retardant resistance to The stringent place of fire.Notification number CN106710688A discloses a kind of control cable, is related to cable field.Including oversheath, outer shield Be provided in set thoroughly do away with edge cable cores, be provided with shielded partitions between the cable core, outside insulated cable core around the home Have and is disposed with flame retardant coating, shielded layer and clad steel band armor between wrapping layer, wrapping layer and oversheath.The present invention is kept away Cable is exempted from because being generated the defect of distortion by external interference, multiple shielded layers is provided in the structure of cable, ensure that Signal stablizes transmission.The present invention has flame-retarding characteristic, and cable is nonflammable when fire, and can prevent the sprawling and disaster of flame Expansion.
These realize the cable of fire-retardant purpose using material, and the realization condition of fire-retardant purpose is usually that cable fire occurs Helpless combustion things around afterwards, this just needs to have higher requirement to the laid condition of cable, this is to be not easy in actual production activity It realizes.If using the cable of completely incombustible material production, it is necessary to be carried out to the existing cable for having laid completion Eliminate replacement, during the cost and replacement of replacement caused by halt production loss of outage be also unacceptable.
Utility model content
In view of this, the purpose of this utility model is that in view of the deficiencies of the prior art, providing one kind prevents pyrophoricity accident from expanding Big cable, the method that multiple fire retardant jackets are provided with using the space outside of the outermost outer covering layer in cable, effectively The diffusion for having completely cut off cable and flame after pyrophoricity accident occurring, realize the purpose fire-retardant in complex condition.
In order to achieve the above objectives, the utility model uses following technical scheme:
One kind prevents pyrophoricity accident from expanding cable, including outer covering layer, protective layer, insulating layer and conducting wire, the conducting wire and absolutely The combination of edge layer has multiple, the external setting protective layer of the combination of multiple insulating layers and conducting wire, and setting is outer outside protective layer Coating, the space outside of the outer covering layer are provided with multiple fire retardant jackets, and the fire retardant jacket is cylinder made of fire proofing, The fire retardant jacket is connect with the outer covering layer interference.
Further, the length of the fire retardant jacket is 1m.
Further, the distance between the multiple fire retardant jacket is 1m.
Further, mutually independent sealing utricule is provided between multiple insulating layers and the combination of conducting wire.
Further, liquid nitrogen is filled in the sealed bladder body.
The beneficial effects of the utility model are:
The utility model reduces the use length of fire proofing using multiple spaced fire retardant jackets, not only The production cost of flame retardant cable can be effectively reduced, when also can guarantee that pyrophoricity accident occurs for cable, the lesser model of accident limitation In enclosing;Meanwhile multiple spaced fire retardant jackets are also that the length measurment of cable is provided convenience.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the implementation status architecture schematic diagram of the utility model.
In figure: 1- conducting wire, 2- insulating layer, 3- seal utricule, 4- protective layer, 5- outer covering layer, 6- fire retardant jacket.
Specific embodiment
Below in conjunction with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described.It is aobvious So, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is practical new based on this Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, fall within the protection scope of the utility model.
As shown in Figure 1, one kind prevents pyrophoricity accident from expanding cable, including outer covering layer 5, protective layer 4, insulating layer 2 and conducting wire 1, the combination of the conducting wire 1 and insulating layer 2 has multiple, the external setting protective layer of the combination of multiple insulating layers 2 and conducting wire 1 4, outer covering layer 5 is set outside protective layer 4, and the space outside of the outer covering layer 5 is provided with multiple fire retardant jackets 6, the fire-retardant shield Set 6 is cylinder made of fire proofing, the fire proofing be with certain flexible flame-retardant textile and metal, it is described fire-retardant Fabric refers to fire resistance fibre or the fabric made of heat-resistance and flame-retardant fiber, has permanent fire retardant, in contact flame or vehement After hot object, the labor protection fabric that is ignited or can slow down and terminate burning in itself can be prevented, be suitable for open fire, spark or Molten metal nearby operates, or the operation in having environment that is inflammable, having fire hazard, including Kevlar, PBI, Nomex, Kerme, PSA fiber, phenolic fibre, melamine fiber etc.;The metal material for forming the fire retardant jacket 6 can use aluminium strip Or steel band.The fire retardant jacket 6 is connect with 5 interference of outer covering layer, and interference connection can utilize when cable produces Size difference caused by expanding with heat and contract with cold is realized, can also pass through band made of winding fire proofing of exerting oneself in the outside of existing cable It realizes.It is arranged by these, the fire retardant jacket 6 can make cable when pyrophoricity accident occurs, by fire retardant jacket 6 by flame It is isolated with connected cable, achievees the purpose that prevent cable fire fault spread.Meanwhile multiple spaced fire-retardant shields Set 6 reduces the use length of fire proofing, is also beneficial to reduce the production cost of flame retardant cable.
In the present embodiment, the length of the fire retardant jacket 6 is identical with the spacing distance of adjacent fire retardant jacket 6.Further , the length of the fire retardant jacket 6 is 1m, and the distance between the multiple fire retardant jacket 6 is 1m.This set is the length of cable Degree measurement provide convenience, user can the quantity directly to the fire retardant jacket 6 being arranged on cable carry out looking into number, through calculating Obtain the physical length of this section of cable.
In the present embodiment, further, it is provided between multiple insulating layers 2 and the combination of conducting wire 1 mutually indepedent Sealing utricule 3, the sealing utricule 3 is made of materials such as rubber, is filled with liquid nitrogen in the sealing utricule 3.It is sent out in cable When raw pyrophoricity accident, the sealing burning of utricule 3 is heated to be destroyed, in liquid nitrogen discharge volatilization, absorb ambient heat, realization is gone out Fiery purpose, and form anaerobic environment around and further strengthen extinguishing effect so that flame is isolated with the oxygen of surrounding.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with It modifies to the utility model or equivalent replacement, to reach identical technical effect;Needs are used as long as meeting, all in this reality Within novel protection scope.

Claims (5)

1. one kind prevent pyrophoricity accident expand cable, it is characterised in that: including outer covering layer (5), protective layer (4), insulating layer (2) and Conducting wire (1), the combination of the conducting wire (1) and insulating layer (2) have it is multiple, the combination of multiple insulating layers (2) and conducting wire (1) Outside setting protective layer (4), protective layer (4) is external to be arranged outer covering layer (5), and the space outside of the outer covering layer (5) is provided with more A fire retardant jacket (6), the fire retardant jacket (6) are cylinder made of fire proofing, the fire retardant jacket (6) and the outer covering layer (5) interference connects.
2. one kind according to claim 1 prevents pyrophoricity accident from expanding cable, it is characterised in that: the fire retardant jacket (6) Length be 1m.
3. one kind according to claim 1 or 2 prevents pyrophoricity accident from expanding cable, it is characterised in that: the multiple fire-retardant The distance between sheath (6) is 1m.
4. one kind according to claim 1 prevents pyrophoricity accident from expanding cable, it is characterised in that: multiple insulating layers (2) mutually independent sealing utricule (3) is provided between the combination of conducting wire (1).
5. one kind according to claim 4 prevents pyrophoricity accident from expanding cable, it is characterised in that: the sealing utricule (3) Inside it is filled with liquid nitrogen.
CN201822144838.4U 2018-12-20 2018-12-20 One kind prevents pyrophoricity accident from expanding cable Active CN209133258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822144838.4U CN209133258U (en) 2018-12-20 2018-12-20 One kind prevents pyrophoricity accident from expanding cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822144838.4U CN209133258U (en) 2018-12-20 2018-12-20 One kind prevents pyrophoricity accident from expanding cable

Publications (1)

Publication Number Publication Date
CN209133258U true CN209133258U (en) 2019-07-19

Family

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN209133258U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113529244A (en) * 2021-06-09 2021-10-22 安徽宜民服饰股份有限公司 Preparation method of flame-retardant fiber fabric

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113529244A (en) * 2021-06-09 2021-10-22 安徽宜民服饰股份有限公司 Preparation method of flame-retardant fiber fabric

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder

Address after: 462600, Linying industrial agglomeration area, Luohe County, Henan Province, No. five, No. 1

Patentee after: HENAN HONGFENG CABLE CO.,LTD.

Address before: 462600 industrial cluster area of Linying County, Luohe, Henan Province, No. 1, No. five road.

Patentee before: HENAN HONGFENG CABLE CO.,LTD.

CP02 Change in the address of a patent holder
CP01 Change in the name or title of a patent holder

Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Patentee after: Hongfeng Cable Co.,Ltd.

Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Patentee before: HENAN HONGFENG CABLE Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Patentee after: Hongfeng Cable Co.,Ltd.

Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province

Patentee before: Hongfeng Cable Co.,Ltd.

CP01 Change in the name or title of a patent holder