CN209591624U - A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable - Google Patents

A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable Download PDF

Info

Publication number
CN209591624U
CN209591624U CN201920676356.5U CN201920676356U CN209591624U CN 209591624 U CN209591624 U CN 209591624U CN 201920676356 U CN201920676356 U CN 201920676356U CN 209591624 U CN209591624 U CN 209591624U
Authority
CN
China
Prior art keywords
low
insulated wire
wire cores
refuge floor
public safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920676356.5U
Other languages
Chinese (zh)
Inventor
水利飞
叶宇
周友芝
王迪
刘炜
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.)
Anhui Huayu Cable Group Co Ltd
Original Assignee
Anhui Huayu Cable Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Huayu Cable Group Co Ltd filed Critical Anhui Huayu Cable Group Co Ltd
Priority to CN201920676356.5U priority Critical patent/CN209591624U/en
Application granted granted Critical
Publication of CN209591624U publication Critical patent/CN209591624U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of low-smoke zero-halogen low-toxicity public safety fireproof cables, including copper conductors, refuge floor, insulated wire cores and fire retardant jacket, the insulated wire cores are by copper conductors, mica flame retardant coating and insulation sleeve form, the outer surface of the copper conductors is extruded with mica flame retardant coating, the outer surface of the mica flame retardant coating is extruded with insulation sleeve, the insulated wire cores are fixed by the way that monofilament is twisted, and the outer surface fixation of insulated wire cores is surrounded with inhibiting tape, flame resistant filler layer is filled at gap between the insulated wire cores and inhibiting tape, the outer surface of the inhibiting tape is extruded with refuge floor, the outer surface fixing sleeve of the refuge floor is connected to refuge floor;The utility model turns the setting of button by wire press box and splicing, so that the fireproof cable in the utility model reduces its outside diameter of cable using special-shaped monofilament is twisted, the smooth roundness for increasing conductive surface saves cables manufacturing cost under the premise of guaranteeing product quality, more practical.

Description

A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable
Technical field
The utility model belongs to cable machinery technical field, is related to a kind of fireproof cable, and specifically a kind of low smoke and zero halogen is low Malicious public safety fireproof cable.
Background technique
Through fireproof cable disclosed in retrieval documents CN201820484U, can not play the role of reducing production cost, Cable is made of the conductor and external insulating protective layer of one or more mutually insulated, and electric power or information are transferred to separately from one Conducting wire at one, usually by several or several groups of conducting wires, every group at least two, the cable for the similar rope being twisted, every group Mutually insulated between conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation, and cable has Interior energization, the feature of external insulation, they are all made of sub-thread or stranded conductor and insulating layer, for connecting circuit, electric appliance etc.;
But there is also certain drawbacks when in use for existing fireproof cable, and the fire protecting performance of traditional fireproof cable is poor, Fire-protection rating is lower, so that fireproof cable, after touching fire source, internal surface temperature rapid increase enables fireproof cable that can not fit Used in place of different nature, while traditional fireproof cable is wound fixed operation using twisting type fixed structure, reduces It presses fill factor, while increasing the twisted outer diameter and effective cross-section of conductor, improves the manufacture of cable in mobile degree Cost brings some inconvenience to user, in order to solve drawbacks described above, now provides a solution.
Utility model content
The purpose of this utility model is to provide a kind of low-smoke zero-halogen low-toxicity public safety fireproof cables.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable, including copper conductors, refuge floor, insulated wire cores with it is fire-retardant Sheath, the insulated wire cores are made of copper conductors, mica flame retardant coating and insulation sleeve, and the outer surface of the copper conductors is extruded with Mica flame retardant coating, the outer surface of the mica flame retardant coating are extruded with insulation sleeve, and the insulated wire cores are fixed by the way that monofilament is twisted, and The outer surface of insulated wire cores is fixed to be surrounded with inhibiting tape, fills out at the gap between the insulated wire cores and inhibiting tape filled with fire-retardant Fill layer, the outer surface of the inhibiting tape is extruded with refuge floor, and the outer surface fixing sleeve of the refuge floor is connected to refuge floor, it is described every The outer surface of fire bed is fixedly installed with armouring sheath, and the outer surface of the armouring sheath is extruded with fire retardant jacket.
Further, fixation is docked by armouring sheath between the refuge floor and fire retardant jacket, and refuge floor is transversal Face is Ringlike double-layer structure.
Further, the armouring sheath is made of zinc-coated wire winding, and the inner surface of the fire retardant jacket is fixedly embedded There is several groups thermal insulation retainer ring.
Further, the quantity of the copper conductors, mica flame retardant coating and insulation sleeve is three groups, outside the insulation sleeve Surface is equipped with fixing groove.
Further, the outer surface of the flame resistant filler layer is covered with thermal insulation sheath, the whole interior of the copper conductors For solid construction.
Further, the insulation sleeve is made of polyethylene material, arranged in a ring between three groups of the insulated wire cores.
The utility model has the beneficial effects that the utility model passes through setting thermal insulation retainer ring, by thermal insulation retainer ring with equidistant Form is uniformly socketed in the inside of fire retardant jacket, and when fire is met in the outer surface of fire retardant jacket, thermal insulation retainer ring can be in fire retardant jacket Dual resisteance structure is formed between refuge floor, is enabled and is generated certain gap between fire retardant jacket and refuge floor, thus certain journey The speed that inhibiting tape interior insulation core temperature rises is reduced on degree, while using the gap between fire retardant jacket and refuge floor, it can Protected to three groups of insulated wire cores in fire retardant jacket when the cable is squeezed, holding for insulated wire cores surface is reduced Stress, so that the safety of the fireproof cable is promoted to a certain extent, by using special-shaped monofilament lay configuration, to three groups of insulation Twisted fixation is carried out between core, be can reduce cross-sectional diameter when insulated wire cores are twisted and is increased compared with the prior art Step up to press fill factor, reduce conductor strand outer diameter and effective cross-section under identical direct current resistance requirement, and reduces finished product electricity Cable outer diameter increases the smooth roundness of conductive surface, and cables manufacturing cost, user are saved under the premise of guaranteeing product quality Just.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the utility model structure diagram;
Fig. 2 is the local structural graph of the utility model;
Fig. 3 is the overall structure figure of the utility model insulation sleeve.
In figure: 1, copper conductors;2, mica flame retardant coating;3, insulation sleeve;4, flame resistant filler layer;5, inhibiting tape;6, refuge floor; 7, armouring sheath;8, fire retardant jacket;9, thermal insulation retainer ring;10, fixing groove;11, insulated wire cores.
Specific embodiment
As shown in Figure 1-3, a kind of low-smoke zero-halogen low-toxicity public safety fireproof cable, including copper conductors 1, refuge floor 6, Insulated wire cores 11 and fire retardant jacket 8, insulated wire cores 11 are made of copper conductors 1, mica flame retardant coating 2 and insulation sleeve 3, copper conductors 1 outer surface is extruded with mica flame retardant coating 2, and mica flame retardant coating 2 plays main temperature insulating to conductor, mica flame retardant coating 2 Outer surface is extruded with insulation sleeve 3, and insulated wire cores 11 are fixed by the way that monofilament is twisted, and the outer surface fixation of insulated wire cores 11 is surrounded with Inhibiting tape 5 is filled with flame resistant filler layer 4 at the gap between insulated wire cores 11 and inhibiting tape 5, and flame resistant filler layer 4 plays heat-insulated Effect, the outer surface of inhibiting tape 5 is extruded with refuge floor 6, and the outer surface fixing sleeve of refuge floor 6 is connected to refuge floor 6, refuge floor 6 Outer surface be fixedly installed with armouring sheath 7, the outer surface of armouring sheath 7 is extruded with fire retardant jacket 8.
Fixation is docked by armouring sheath 7 between refuge floor 6 and fire retardant jacket 8, and the cross section of refuge floor 6 is that annular is double Layer structure, the refuge floor 6 of double-layer structure can effectively increase its safety.
Armouring sheath 7 is made of zinc-coated wire winding, and the inner surface of fire retardant jacket 8 is fixedly embedded to have several groups to reinforce inner ring 9, armouring sheath 7 is made of zinc-coated wire winding.
The quantity of copper conductors 1, mica flame retardant coating 2 and insulation sleeve 3 is three groups, and the outer surface of insulation sleeve 3, which is equipped with, to be fixed Slot 10, insulation sleeve 3 play the role of insulation protection.
The outer surface of flame resistant filler layer 4 is covered with thermal insulation sheath, and the whole interior of copper conductors 1 is solid construction, thermal insulation Sheath can effectively promote the thermal insulation effect of flame resistant filler layer 4.
Insulation sleeve 3 is made of polyethylene material, arranged in a ring between 11 3 groups of insulated wire cores, the insulated wire of annular array Core 11 plays the main function of power transmission.
A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable, armouring sheath 7 is socketed in the outer of refuge floor 6 when in use Surface increases the structural strength of refuge floor 6, so that external force extruding insulation core 11, wraps up insulation sleeve 3 using armouring sheath 7 Copper conductors 1 carry out insulation blocking operation, avoid copper conductors 1 from occurring fracture damage phenomenon under external force, being promoted should The safety of insulated wire cores 11, prolongs its service life, and refuge floor 6 can play the role of temperature isolation to inhibiting tape 5, reduces resistance Copper conductors 1 in inhibiting tape 5 are played the role of indirect protection, while in insulated wire cores 11 by the rate of rise in temperature for firing band 5 Outer surface open up fixing groove 10, can the insulated wire cores 11 of connection twisted to monofilament carry out that operation is auxiliarily fixed, it is more practical.
Thermal insulation retainer ring 9 is uniformly socketed in fire-retardant shield by setting thermal insulation retainer ring 9 by the utility model in the form of equidistant The inside of set 8, when fire is met in the outer surface of fire retardant jacket 8, thermal insulation retainer ring 9 can be formed between fire retardant jacket 8 and refuge floor 6 Dual resisteance structure enables and generates certain gap between fire retardant jacket 8 and refuge floor 6, to reduce inhibiting tape 5 to a certain extent The speed that 11 temperature of interior insulation core rises, while using the gap between fire retardant jacket 8 and refuge floor 6, it can be in the cable When being squeezed, three groups of insulated wire cores 11 in fire retardant jacket 8 are protected, reduce the endurance on 11 surface of insulated wire cores, To promote the safety of the fireproof cable to a certain extent, by using special-shaped monofilament lay configuration, to three groups of insulated wire cores Twisted fixation is carried out between 11, be can reduce cross-sectional diameter when insulated wire cores 11 are twisted and is increased compared with the prior art Step up to press fill factor, reduce conductor strand outer diameter and effective cross-section under identical direct current resistance requirement, and reduces finished product electricity Cable outer diameter increases the smooth roundness of conductive surface, and cables manufacturing cost, mica fire resisting are saved under the premise of guaranteeing product quality Layer 2 is wrapped in the outer surface of copper conductors 1, plays the role of thermal insulation protection to copper conductors 1, so that copper conductors 1 be avoided to exist Occurs fusion phenomenon in high temperature, flame resistant filler layer 4 is filled between insulation sleeve 3 and inhibiting tape 5, can be to exhausted in inhibiting tape 5 Edge set 3 plays the role of fire-resisting protection, promotes the safety of the fireproof cable, easy to use.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art Member makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from reality With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.

Claims (6)

1. a kind of low-smoke zero-halogen low-toxicity public safety fireproof cable, which is characterized in that including copper conductors (1), refuge floor (6), insulated wire cores (11) and fire retardant jacket (8), the insulated wire cores (11) are by copper conductors (1), mica flame retardant coating (2) and absolutely Edge set (3) composition, the outer surface of the copper conductors (1) are extruded with mica flame retardant coating (2), outside the mica flame retardant coating (2) Surface is extruded with insulation sleeve (3), and the insulated wire cores (11) are fixed by the way that monofilament is twisted, and the outer surface of insulated wire cores (11) is solid Surely it is surrounded with inhibiting tape (5), is filled with flame resistant filler layer (4) at the gap between the insulated wire cores (11) and inhibiting tape (5), The outer surface of the inhibiting tape (5) is extruded with refuge floor (6), and the outer surface fixing sleeve of the refuge floor (6) is connected to refuge floor (6), the outer surface of the refuge floor (6) is fixedly installed with armouring sheath (7), and the outer surface of the armouring sheath (7) is extruded with Fire retardant jacket (8).
2. a kind of low-smoke zero-halogen low-toxicity public safety fireproof cable according to claim 1, which is characterized in that it is described every Fixation is docked by armouring sheath (7) between fire bed (6) and fire retardant jacket (8), and the cross section of refuge floor (6) is Ringlike double-layer Structure.
3. a kind of low-smoke zero-halogen low-toxicity public safety fireproof cable according to claim 1, which is characterized in that the armour Dress sheath (7) is made of zinc-coated wire winding, and the inner surface of the fire retardant jacket (8) is fixedly embedded several groups thermal insulation retainer ring (9)。
4. a kind of low-smoke zero-halogen low-toxicity public safety fireproof cable according to claim 1, which is characterized in that the copper The quantity of line conductor (1), mica flame retardant coating (2) and insulation sleeve (3) is three groups, and the outer surface of the insulation sleeve (3) is equipped with solid Determine slot (10).
5. a kind of low-smoke zero-halogen low-toxicity public safety fireproof cable according to claim 1, which is characterized in that the resistance The outer surface of combustion filled layer (4) is covered with thermal insulation sheath, and the whole interior of the copper conductors (1) is solid construction.
6. a kind of low-smoke zero-halogen low-toxicity public safety fireproof cable according to claim 1, which is characterized in that described exhausted Edge set (3) is made of polyethylene material, arranged in a ring between (11) three groups of the insulated wire cores.
CN201920676356.5U 2019-05-13 2019-05-13 A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable Active CN209591624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920676356.5U CN209591624U (en) 2019-05-13 2019-05-13 A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920676356.5U CN209591624U (en) 2019-05-13 2019-05-13 A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable

Publications (1)

Publication Number Publication Date
CN209591624U true CN209591624U (en) 2019-11-05

Family

ID=68347311

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920676356.5U Active CN209591624U (en) 2019-05-13 2019-05-13 A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable

Country Status (1)

Country Link
CN (1) CN209591624U (en)

Similar Documents

Publication Publication Date Title
CN205302999U (en) Metal sheath inorganic mineral insulation flexible fireproof cable
CN209822310U (en) Ceramic silicon rubber insulation temperature-resistant cable
CN105206346A (en) Multifunctional fire-resistant environment-friendly audio signal cable and preparation technology thereof
CN204010772U (en) Rated voltage 450/750V mineral-insulated fireproof type power cable
CN201174272Y (en) Soft conductor flame-retardant protective sleeve shielded power cable
CN202394585U (en) Photoelectric composite cable
CN202839048U (en) High temperature resistant fireproof cable
CN204991258U (en) Environment -friendly high life crosslinked cable
CN203406054U (en) Fireproof aluminum conductor cable
CN209591624U (en) A kind of low-smoke zero-halogen low-toxicity public safety fireproof cable
CN209880225U (en) Self-supporting fire-resistant waterproof computer cable
RU143196U1 (en) ELECTRIC FIRE RESISTANT CABLE
CN206672693U (en) Multicore cable is pressed in one kind fire prevention
CN208173289U (en) A kind of fire-resisting cable structure
CN202102786U (en) High temperature resistant, silicone rubber insulating control cable having silicone rubber sheaths
CN104112538A (en) Aluminum-alloy medium-voltage fireproof power cable
CN204463908U (en) A kind of novel high flexibility fireproof cable
CN202093865U (en) Heat resistant control cable for nuclear power station
CN211376289U (en) Medium-voltage power cable for rail transit
CN212990718U (en) Environment-friendly insulated non-sheath cable
CN106935326A (en) Multicore cable is pressed in fire prevention
CN211654393U (en) Multi-core copper conductor cable
CN109559848B (en) Isolated flexible mineral insulation fireproof cable and manufacturing method thereof
CN210223635U (en) Water-blocking fire-resistant flame-retardant ceramic control cable
CN202487254U (en) Fireproof control cable

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant