CN207489561U - Clean type low smoke and zero halogen flexible mineral matter insulated cable - Google Patents

Clean type low smoke and zero halogen flexible mineral matter insulated cable Download PDF

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Publication number
CN207489561U
CN207489561U CN201721742310.6U CN201721742310U CN207489561U CN 207489561 U CN207489561 U CN 207489561U CN 201721742310 U CN201721742310 U CN 201721742310U CN 207489561 U CN207489561 U CN 207489561U
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heat
insulated
cable
filled layer
layer
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CN201721742310.6U
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Inventor
陈同献
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Kunming Ou Jie Cables Manufacturing Co Ltd
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Kunming Ou Jie Cables Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable, including:First heat-insulated filled layer, the both sides of the first heat-insulated filled layer are respectively arranged with oversheath and inner sheath, and the outside of the oversheath is equipped with one layer of fireproof covering, and the external stability of the fireproof covering has one layer of low smoke and zero halogen sheath;Cable core, the cable core are arranged on the inside of the heat-insulated filled layer of third, and shielded layer is provided between the heat-insulated filled layer of the third and the second heat-insulated filled layer.The utility model passes through fireproof covering, can ignite fireproof covering internal structure to avoid the intensity of a fire, cable is prevented to be exposed in fire, prevent cable from combustion phenomena occurring within first time, flameproof effect is apparent, passes through the first heat-insulated filled layer, the second heat-insulated filled layer, the heat-insulated filled layer of third, ambient temperature is reduced to the influence inside cable, ensure that cable can still keep stable working condition under high temperature environment, improve fireproofing of cable performance, reduce failure rate.

Description

Clean type low smoke and zero halogen flexible mineral matter insulated cable
Technical field
The utility model belongs to field of cable technology, and in particular to a kind of clean type low smoke and zero halogen flexible mineral matter insulation is anti- Thermoelectricity cable.
Background technology
Cable is typically by several or the cable of similar rope that several groups of wire strandings form, mutually exhausted between every group of conducting wire Edge, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Multi rack is located in the air or mounted in ground Under, it is water-bed, for telecommunication or power Transmission.Cable is mainly made of following 4 part:1. conducting wire center:With high conductivity material (copper or aluminium) is made.According to requirement of the laying use condition to cable softness, every line heart may be by solid conductor or more Root wire stranding forms;2. insulating layer:Insulating materials as cable should have high insulation resistance, high breakdown potential field strength It spends, low dielectric loss and low dielectric constant, common insulating materials has oil-paper, polyvinyl chloride, polyethylene, friendship in cable Join polyethylene, rubber etc., cable is often classified with insulating materials, such as oil-impregnated paper insulation cable, polyvinyl chloride cable, the poly- second of crosslinking Alkene cable etc.;3. sealing sheath:Protect protection insulated wire heart from the damage of machinery, moisture, moisture, chemical substance, light etc., for easy The insulation made moist generally uses lead or aluminium extrusion sealing sheath;4. protect coating:Sealing sheath to be protected to be damaged from machinery Wound is generally surrounded outside sheath as armor using galvanized steel strip, steel wire or copper strips, copper wire etc. and (claims armored cable), armor Play electric field shielding simultaneously and prevent external electromagnetic wave interference, in order to avoid steel band, steel wire are corroded by surrounding media, one As outside them pitch or wrapping macerated jute layer or extruded polyethylene, polyvinyl chloride set.
When encountering fire, combustion phenomena can occur existing cable in a short time for existing cable, cause to lead in cable Short circuit occurs for body, bigger is caused to endanger equipment, therefore by cable design in protective metal shell, and existing cable isolation performance Difference, the high temperature that protective metal shell is formed after being heated can be poor by cable inside stuffing and insulation melting layer, fire protecting performance.
Utility model content
The purpose of this utility model is to provide a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable, with solution Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides following technical solution:A kind of clean type low smoke and zero halogen flexible mineral Matter insulated cable, including:
First heat-insulated filled layer, the both sides of the first heat-insulated filled layer are respectively arranged with oversheath and inner sheath, described The outside of oversheath is equipped with one layer of fireproof covering, and the external stability of the fireproof covering has one layer of low smoke and zero halogen sheath, the inner sheath Inside be provided with the second heat-insulated filled layer;
Cable core, the cable core are arranged on the inside of the heat-insulated filled layer of third, the heat-insulated filled layer of third and second heat-insulated Shielded layer is provided between filled layer.
Preferably, the fireproof covering is one kind in high fire-retardance band, flame screen, metallic sheath.
Preferably, the described first heat-insulated filled layer, the second heat-insulated filled layer, the heat-insulated filled layer of third material be glass fibers Dimension, ceramic fibre, minerals fire material.
Preferably, the cable core includes conductor and wraps up the mineral insulation layer of conductor, the mineral insulation layer Outside is equipped with metal protection set, and the outside of the metal protection set is equipped with color separation insulating sleeve.
Preferably, the material of the mineral insulation layer is one kind in ceramics or mica.
The technique effect and advantage of the utility model:
By fireproof covering, can ignite fireproof covering internal structure to avoid the intensity of a fire, and cable is prevented to be exposed in fire, prevents cable Combustion phenomena occurs within first time, flameproof effect is apparent, passes through the first heat-insulated filled layer, the second heat-insulated filled layer, third Heat-insulated filled layer reduces ambient temperature to the influence inside cable, ensures that cable can still keep stable under high temperature environment Working condition, improve fireproofing of cable performance, reduce failure rate.
Description of the drawings
Fig. 1 is a kind of structure diagram of clean type low smoke and zero halogen flexible mineral matter insulated cable of the utility model;
Fig. 2 is that a kind of cable core structure of clean type low smoke and zero halogen flexible mineral matter insulated cable of the utility model is illustrated Figure.
In figure:It is 1 low smoke and zero halogen sheath, 2 fireproof coverings, 3 first heat-insulated filled layers, 4 oversheaths, 5 inner sheaths, 6 second heat-insulated Filled layer, the heat-insulated filled layer of 7 thirds, 8 shielded layers, 9 cable cores, 901 conductors, 902 mineral insulations, 903 color separation insulating sleeves, 904 metal protection sets.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable, including:
First heat-insulated filled layer 3, the both sides of the first heat-insulated filled layer 3 are respectively arranged with oversheath 4 and inner sheath 5, The outside of the oversheath 4 is equipped with one layer of fireproof covering 2, and the external stability of the fireproof covering 2 has one layer of low smoke and zero halogen sheath 1, institute The inside for stating inner sheath 5 is provided with the second heat-insulated filled layer 6;
Cable core 9, the cable core 9 are arranged on the inside of the heat-insulated filled layer 7 of third, the heat-insulated filled layer 7 and second of third Shielded layer 8 is provided between heat-insulated filled layer 6.
The fireproof covering 2 is high fire-retardance band, one kind in flame screen, metallic sheath, and fireproof covering 2 uses non-combustible materials system Into by fireproof covering 2, can ignite 2 internal structure of fireproof covering to avoid the intensity of a fire, when using high fire-retardance band or flame screen, need 3-5 layers of tight, to play effective flameproof effect.
The first heat-insulated filled layer 3, the second heat-insulated filled layer 6, the heat-insulated filled layer 7 of third material for glass fibre, Ceramic fibre, minerals fire material by the first heat-insulated 3 and second heat-insulated filled layer 6 of filled layer, can obstruct ambient temperature It is transmitted to the cable core 9 inside cable, reduces influence of the ambient temperature to cable internal structure, ensure cable under high temperature environment Working performance, reduce failure rate.
The cable core 9 includes conductor 901 and wraps up the mineral insulation layer 902 of conductor 901, the mineral insulation layer 902 outside is equipped with metal protection and covers 904, and the outside of the metal protection set 904 is equipped with color separation insulating sleeve 903, mineral 902 high temperature resistant of matter insulating layer, is not easily decomposed, and conductor 901 can be caused to be in hot environment in stable state, avoided each Short circuit occurs between cable core 9, while by the heat-insulated filled layer 7 of third, the intrusion of ambient temperature can be reduced again, reduced extraneous Temperature is to the influence inside cable.
The material of the mineral insulation layer 902 is one kind in ceramics or mica, has higher thermal stability, is ensured Cable steady operation in the high temperature environment.
Specifically, in use, by fireproof covering 2, can ignite 2 internal structure of fireproof covering to avoid the intensity of a fire, prevent cable sudden and violent It is exposed in fire, prevents cable from combustion phenomena occurring within first time, flameproof effect is apparent, passes through the first heat-insulated filled layer 3, Two heat-insulated filled layers 6, the heat-insulated filled layer 7 of third reduce ambient temperature to the influence inside cable, ensure cable in hot environment Under can still keep stable working condition, improve fireproofing of cable performance, reduce failure rate.
Finally it should be noted that:The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable, which is characterized in that including:
First heat-insulated filled layer (3), the both sides of the first heat-insulated filled layer (3) are respectively arranged with oversheath (4) and inner sheath (5), the outside of the oversheath (4) is equipped with one layer of fireproof covering (2), the external stability of the fireproof covering (2) have one layer of low cigarette without Halogen sheath (1) is provided with the second heat-insulated filled layer (6) on the inside of the inner sheath (5);
Cable core (9), the cable core (9) are arranged on the inside of the heat-insulated filled layer of third (7), the heat-insulated filled layer of third (7) with Shielded layer (8) is provided between second heat-insulated filled layer (6).
2. a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable according to claim 1, it is characterised in that: The fireproof covering (2) is high fire-retardance band, one kind in flame screen, metallic sheath.
3. a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable according to claim 1, it is characterised in that: The first heat-insulated filled layer (3), the second heat-insulated filled layer (6), the heat-insulated filled layer of third (7) material for glass fibre, pottery Porcelain fiber, minerals fire material.
4. a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable according to claim 1, it is characterised in that: Mineral insulation layer (902) of the cable core (9) including conductor (901) and package conductor (901), the mineral insulation layer (902) outside is equipped with metal protection set (904), and the outside of the metal protection set (904) is equipped with color separation insulating sleeve (903)。
5. a kind of clean type low smoke and zero halogen flexible mineral matter insulated cable according to claim 4, it is characterised in that: The material of the mineral insulation layer (902) is one kind in ceramics or mica.
CN201721742310.6U 2017-12-14 2017-12-14 Clean type low smoke and zero halogen flexible mineral matter insulated cable Active CN207489561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721742310.6U CN207489561U (en) 2017-12-14 2017-12-14 Clean type low smoke and zero halogen flexible mineral matter insulated cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721742310.6U CN207489561U (en) 2017-12-14 2017-12-14 Clean type low smoke and zero halogen flexible mineral matter insulated cable

Publications (1)

Publication Number Publication Date
CN207489561U true CN207489561U (en) 2018-06-12

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CN201721742310.6U Active CN207489561U (en) 2017-12-14 2017-12-14 Clean type low smoke and zero halogen flexible mineral matter insulated cable

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110767357A (en) * 2019-10-11 2020-02-07 湖北红旗电缆有限责任公司 Metal sleeve flexible mineral substance insulation oxygen-isolation layer fireproof cable for fire-fighting line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110767357A (en) * 2019-10-11 2020-02-07 湖北红旗电缆有限责任公司 Metal sleeve flexible mineral substance insulation oxygen-isolation layer fireproof cable for fire-fighting line

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