CN212461226U

CN212461226U - Flame-retardant control cable

Info

Publication number: CN212461226U
Application number: CN202021692907.6U
Authority: CN
Inventors: 陈寿培
Original assignee: Jiangsu Boniu Cable Co ltd
Current assignee: Jiangsu Boniu Cable Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-02-02
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a flame-retardant control cable, including control cable body and cable core body, the control cable body is from outside to inside in proper order: outer steel wire armor, outer protective layer, waterproof filler, fire-retardant layer and cable core, the outside of control cable body is inlayed and is had reflection of light strip, the heat conduction groove has been seted up to the control cable body outside and ties up the groove, inside shielding layer, insulating layer and the metal core of being provided with of cable core, the cable core is filled with fire-retardant packing with fire-retardant layer clearance intussuseption. This fire-retardant control cable is provided with outer steel wire armor, and outer steel wire armor adopts thin steel wire processing to make, plays the guard action to the control cable body, is provided with outer protective layer, fire-retardant layer and fire-retardant packing, and after the control cable body catches fire, outer protective layer and fire-retardant layer are the first fire-retardant protective screen of control cable body, if flame continues to stretch, so fire-retardant packing can play the effect of protection cable core.

Description

Flame-retardant control cable

Technical Field

The utility model relates to the technical field of cables, specifically a flame retardant control cable.

Background

The cable is generally a rope-like cable formed by twisting several or several groups of wires, each group of wires is insulated from each other, the whole cable is covered by a highly insulated covering layer, a plurality of insulated wires are erected in the air or installed underground or underwater for telecommunication or power transmission, one or more mutually insulated conductive cores are arranged in a sealed sheath to form an insulated wire, and a protective covering layer can be added outside the insulated wire for transmitting, distributing electric energy or transmitting electric signals.

After a great deal of search, the flame-retardant cable in the prior art is found to be typically disclosed as: CN 205751693U's a fire-retardant waterproof control cable of neotype environmental protection, including the control cable body, the control cable body includes cable inner core, the filling layer that blocks water, shielding layer, fire-retardant layer and oversheath layer. The utility model discloses a control cable, including control cable body, fire-retardant layer, outer oversheath layer, the control cable body is inside to have many cable cores, the cable core is filled with the filling layer that blocks water outward, the shielding layer is being crowded to wrap outward to the filling layer that blocks water, crowded fire-retardant layer of wrapping outward of shielding layer, crowded oversheath layer of wrapping outward of fire-retardant layer, but still there is certain defect in this technique, when mining or construction ground use, can't give the sufficient protection of control cable, can't play the effect of reflection of light night simultaneously, can't play the effect of warning, can probably be collided by construction vehicle night.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant control cable to the solution is proposed in the above-mentioned background art when mining or construction ground uses, can't give the sufficient protection of control cable, can't play the effect of reflection light at night simultaneously, can't play the effect of warning, the problem that can probably be collided by construction vehicle at night.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-retardant control cable, includes control cable body and cable core body, the control cable body is from outside to inside in proper order: outer steel wire armor, outer protective layer, waterproof filler, fire-retardant layer and cable core, the outside of control cable body is inlayed and is had reflection of light strip, the heat conduction groove has been seted up to the control cable body outside and ties up the groove, inside shielding layer, insulating layer and the metal core of being provided with of cable core, the cable core is filled with fire-retardant packing with fire-retardant layer clearance intussuseption.

Preferably, the outer steel wire armor layer is made of thin steel wires.

Preferably, the outer protective layer and the flame-retardant filler are made of halogen-free low-smoke flame-retardant polyolefin materials.

Preferably, the metal core is made of copper.

Preferably, the reflective strip is connected with the control cable body through an adhesive, and the width of the reflective strip is three centimeters.

Preferably, the included angle between the bundling groove and the heat conduction groove is ninety degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the flame-retardant control cable is characterized in that,

(1) the outer steel wire armor layer is manufactured by adopting thin steel wires, and has a sufficient protection effect on the outer surface of the control cable body;

(2) the control cable is provided with an outer protective layer, a flame-retardant layer and flame-retardant filling, wherein the outer protective layer and the flame-retardant layer are processed by halogen-free low-smoke flame-retardant polyolefin materials;

(3) be provided with anti-light strip, heat conduction groove and tie up the groove, anti-light strip can play the warning effect at night to can make things convenient for clear quick discovery at night to control cable, the heat conduction groove can play the heat conduction effect, makes the inside temperature of control cable body can not be too high, ties up the groove and is convenient for tie up and transport when arranging control cable.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the control cable body of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the cable core of the present invention;

fig. 3 is the external structure schematic diagram of the control cable body of the present invention.

In the figure: 1. the cable comprises a control cable body, 2, an outer steel wire armor layer, 3, an outer protective layer, 4, a waterproof layer, 5, waterproof filler, 6, a flame-retardant layer, 7, a cable core body, 8, flame-retardant filler, 9, a shielding layer, 10, an insulating layer, 11, a metal core body, 12, a reflective strip, 13, a heat conducting groove, 14 and a bundling groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a flame-retardant control cable, as shown in fig. 1, the control cable body 1 comprises, from outside to inside: outer steel wire armor 2, outer protective layer 3, waterproof layer 4, waterproof filler 5, fire-retardant layer 6 and cable core 7, outer steel wire armor 2 adopts thin steel wire processing to make, the effectual protection control cable body 1 of being convenient for, outer protective layer 3 and fire-retardant 8 adoption are steamed low cigarette flame retardant polyolefin material processing and form, this material has good flame retardant efficiency, what produce in the combustion process is nontoxic harmless gas, the smoke and dust of production is less.

As shown in fig. 2 and 3, the outside of the control cable body 1 is inlaid with a reflective strip 12, the reflective strip 12 is connected with the control cable body 1 through an adhesive, the width of the reflective strip 12 is three centimeters, the control cable body 1 can be found clearly and quickly at night, a heat conduction groove 13 and a bundling groove 14 are formed in the outside of the control cable body 1, an included angle between the bundling groove 14 and the heat conduction groove 13 is ninety degrees, the control cable body 1 can be bundled through the bundling groove 14 conveniently, meanwhile, the heat dissipation effect of the heat conduction groove 13 is better, a shielding layer 9 is arranged inside the cable core 7, an insulating layer 10 and a metal core 11 are arranged, copper used by the metal core 11 is made of a material, the transmission efficiency of the control cable body 1 is improved, and the gap between the cable core 7 and the flame-retardant layer 6 is filled with flame-retardant filler 8.

The working principle is as follows: when the flame-retardant control cable is used, the outer steel wire armor layer 2 is arranged on the outermost layer of the control cable body 1 and plays a role in protecting the control cable body 1, the outer protective layer 3 is processed by halogen-free low-smoke flame-retardant polyolefin materials and plays a role in primary flame-retardant effect, the waterproof layer 4 and the waterproof filler 5 prevent moisture from entering the control cable body 1, the flame-retardant layer 6 and the inner flame-retardant filler 8 are made of the same materials as the outer protective layer 3 and further protect the cable core body 7, the shielding layer 9 plays a role in shielding and blocking, the insulating layer 10 plays an insulating role, the metal core body 11 inside the cable core body 7 transmits power and communication data, the outer steel wire armor layer 2 outside the control cable body 1 is provided with a reflective strip to play a role in reflecting light, so that the control cable body 1 can be conveniently and rapidly found at night, the heat-conducting groove 13 can conduct heat to the control cable, and the bundling groove 14 facilitates bundling of the bundled cable body 1, which is not described in detail in this specification and is well known to those skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a fire-retardant control cable, includes control cable body (1) and cable core (7), its characterized in that:

control cable body (1), control cable body (1) is from outside to inside in proper order: the cable comprises an outer steel wire armor layer (2), an outer protective layer (3), a waterproof layer (4), a waterproof filler (5), a flame retardant layer (6) and a cable core body (7), wherein a reflective strip (12) is embedded outside a control cable body (1), and a heat conduction groove (13) and a bundling groove (14) are formed outside the control cable body (1);

the cable core body (7), the inside shielding layer (9), insulating layer (10) and metal core body (11) that are provided with of cable core body (7), the cable core body (7) is filled with fire-retardant packing (8) with fire-retardant layer (6) clearance.

2. A fire retardant control cable according to claim 1, wherein: the outer steel wire armor layer (2) is made of thin steel wires.

3. A fire retardant control cable according to claim 1, wherein: the outer protective layer (3) and the flame-retardant filling (8) are made of halogen-free low-smoke flame-retardant polyolefin materials.

4. A fire retardant control cable according to claim 1, wherein: the metal core (11) is made of copper.

5. A fire retardant control cable according to claim 1, wherein: the reflective strips (12) are connected with the control cable body (1) through an adhesive, and the width of the reflective strips (12) is three centimeters.

6. A fire retardant control cable according to claim 1, wherein: the included angle between the bundling groove (14) and the heat conducting groove (13) is ninety degrees.