High-flame-retardant insulating high-performance wire cable

Abstract

The utility model relates to a high flame-retardant insulating high performance wire cable, including reinforcing rib, three cable cores, three enclosure parts, three groups of second bags and oversheath, the reinforcing rib is arranged at the center of the high flame-retardant insulating high performance wire cable, and the three cable cores are uniformly distributed at the outer side of the reinforcing rib along the radial direction of the cable cores. The three enclosure parts are all inserted into the reinforcing ribs, the three enclosure parts enclose the three cable cores between the three enclosure parts and the reinforcing ribs, and the three groups of second bags are respectively inserted into gaps between the adjacent enclosure parts and the adjacent cable cores. In the laying and using process of the cable, the anti-deformation and anti-pressure capabilities of the cable can be improved by using the reinforcing ribs, the flame-retardant capability of the cable can be improved by using the first bag and the second bag, and in addition, the insulating capability of the cable can be improved by using the inner sheath and the outer sheath; therefore, the application scene and the service life of the cable are generally improved and prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a kind of high flame-retardant insulation high-performance electric wire cable. BACKGROUND

[0002] Cable is a kind of electric energy or signal transmission device, usually is by several or several groups of wires, usually is by several or several groups of wires (at least two in each group) twisted and formed into rope-like cable, mutual insulation between each group of wires, and often around a center twist, the whole outside is covered with highly-insulated covering, cable has the characteristics of internal power-on, external insulation.

[0003] The fire resistance of the existing insulation type electric wire cable is relatively poor, and when the electric wire cable encounters open flame, it is easy to burn quickly, which has certain safety hazard, and when the electric wire cable works for a long time, the internal temperature rises, which can easily cause damage to the internal structure of the electric wire cable, affecting the normal use of the insulation type electric wire cable. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] The utility model provides a kind of high flame-retardant insulation high-performance electric wire cable, solve the problem raised in the above background technology.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of high flame-retardant insulation high-performance electric wire cable, including reinforcing rib, three cable cores, three enclosing parts, three groups of second capsules and outer sheath, the reinforcing rib is arranged at the center of high flame-retardant insulation high-performance electric wire cable, and three cable cores are evenly distributed on the outside of reinforcing rib along its radial direction, three enclosing parts are inserted on reinforcing rib, and three enclosing parts are enclosed to enclose three cable cores between three enclosing parts and reinforcing rib, three groups of second capsules are inserted into the interspace between adjacent enclosing part and adjacent cable core respectively, the outer sheath is covered and arranged on the outside of three enclosing parts.

[0008] Preferably, the reinforcing rib includes hollow pipe section, three short protrusions and three positioning arc walls, three short protrusions are evenly formed and distributed on the outer wall of hollow pipe section along the radial direction of hollow pipe section, and the center of each short protrusion is fixedly connected with one positioning arc wall.

[0009] In further preferred, the positioning arc wall and hollow pipe section between adjacent two are enclosed into slot with opening.

[0010] In a further preferred embodiment, the cable core comprises a plurality of conductive inner cores and an inner sheath, the inner sheath is wrapped outside the plurality of conductive inner cores, and the inner sheath comprises, from inside to outside, a fire-resistant layer, a shielding layer, and an insulating layer.

[0011] In a further preferred embodiment, the enclosure comprises a first bag, a long protrusion, and an enclosure arc wall, the first bag is shaped to fit the shape of the slot, and the first bag is inserted into the slot, the long protrusion is formed outside the first bag and protrudes out of the opening of the slot, and the long protrusion is fixedly connected to the middle part of the enclosure arc wall at one end outside the slot, and the enclosure arc walls in the three groups of enclosures can be combined to form a circle.

[0012] In a further preferred embodiment, the first bag and the second bag are both filled with aluminum hydroxide or magnesium hydroxide particles.

[0013] In a further preferred embodiment, the outer sheath comprises, from inside to outside, an insulating layer, a flame-retardant layer, and a protective layer.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a kind of high flame-retardant insulation high-performance electric wire cable, with the following beneficial effects:

[0016] In the utility model, through the cooperation of reinforcing rib, cable core, enclosure, second bag and outer sheath, the cable can improve the deformation resistance and compression resistance of cable wire during laying and use, and the first bag and the second bag can improve the flame-retardant capacity of cable wire, and the inner sheath and the outer sheath can improve the insulation capacity of cable wire, thereby improving the application scenarios and service life of cable wire as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a high flame-retardant insulation high-performance electric wire cable cross section structure according to the embodiment;

[0018] Figure 2 It is a reinforcing rib structure according to the embodiment;

[0019] Figure 3 It is an enclosure structure according to the embodiment.

[0020] In the figure: 10, reinforcing rib; 11, hollow pipe section; 12, short protrusion; 13, positioning arc wall; 14, slot; 20, cable core; 21, conductive inner core; 22, inner sheath; 30, enclosure; 31, first bag; 32, long protrusion; 33, enclosure arc wall; 40, second bag; 50, outer sheath. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figure 1 A high flame-retardant insulation high-performance electric wire cable comprises a reinforcing rib 10, three cable cores 20, three enclosing parts 30, three groups of second sheaths 40 and an outer sheath 50. The reinforcing rib 10 is arranged at the center of the high flame-retardant insulation high-performance electric wire cable, and the three cable cores 20 are evenly arranged outside the reinforcing rib 10 along the radial direction thereof. Then the three enclosing parts 30 are inserted on the reinforcing rib 10, and the three enclosing parts 30 enclose the three cable cores 20 between the three enclosing parts 30 and the reinforcing rib 10. The three groups of second sheaths 40 are respectively inserted into the gaps between the adjacent enclosing parts 30 and the adjacent cable cores 20, and each group of second sheaths 40 comprises two second sheaths 40. The outer sheath 50 is arranged outside the three enclosing parts 30 and forms a complete cable.

[0023] Please refer to Figure 2 The reinforcing rib 10 comprises a hollow pipe segment 11, three short protrusions 12 and three positioning arc walls 13, and the reinforcing rib 10 can be integrally made of rubber. As shown in the drawings, the three short protrusions 12 are evenly formed on the outer wall of the hollow pipe segment 11 along the radial direction of the hollow pipe segment 11, and the end of each short protrusion 12 away from the hollow pipe segment 11 is fixedly connected to the center of one positioning arc wall 13. The adjacent two positioning arc walls 13 and the hollow pipe segment 11 can form an insertion slot 14 with an opening, so that the installation and positioning of the enclosing part 30 can be matched.

[0024] In the embodiment, the cable core 20 comprises a plurality of conductive inner cores 21 and an inner sheath 22, and the inner sheath 22 is arranged outside the plurality of conductive inner cores 21. The inner sheath 22 is arranged in a multi-layer structure, and the inner sheath 22 comprises a fire-resistant layer, a shielding layer and an insulation layer from inside to outside. For example, the fire-resistant layer can be made of ceramicized silicone rubber material, so as to have the characteristics of good fireproofing, flame retardation, low smoke and non-toxicity, thereby greatly improving the flame retardation of the cable. The shielding layer can be made of braided metal wire, copper tape or metalized paper. The insulation layer can be made of cross-linked polyethylene.

[0025] Please refer to Figure 3The enclosing part 30 comprises a first bag 31, a long protrusion 32 and an enclosing arc wall 33. The first bag 31 is shaped to fit the shape of the slot 14, and the first bag 31 can be inserted into the slot 14. The long protrusion 32 is formed on the outside of the first bag 31 and extends out of the opening of the slot 14. The long protrusion 32 is fixedly connected to the middle part of the enclosing arc wall 33 at one end outside the slot 14, and the inner side of the enclosing arc wall 33 can be tangent to the adjacent cable core 20. The enclosing arc walls 33 in the three groups of enclosing parts 30 can be enclosed to form a circle, so that they completely enclose the outer circle of the three cable cores 20.

[0026] In the embodiment, the first bag 31 and the second bag 40 can be filled with particles of aluminum hydroxide or magnesium hydroxide, which can release crystal water at high temperature as inorganic metal hydrates, reduce the temperature of the flame, and form a non-combustible oxide shell to block the channel of oxygen supply, thereby improving the fire-retardant ability.

[0027] In the embodiment, the outer sheath 50 can also be provided as a multi-layer structure, and the outer sheath 50 comprises an insulation layer, a fire-retardant layer and a protective layer from inside to outside. The insulation layer and the fire-retardant layer can be made of the same material as the inner sheath 22, and the protective layer can be made of modified polyurethane resin material, so that it is wear-resistant and has good heat insulation ability.

[0028] In the above-mentioned all solutions, although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high flame retardant, high performance insulated electrical wire cable comprising three cable cores (20) and an outer jacket (50), characterized in that, It also includes a reinforcing rib (10), three enclosing parts (30) and three groups of second capsules (40), the reinforcing rib (10) is arranged at the center of the high-flame-retardant insulation high-performance wire cable, and three cable cores (20) are evenly distributed radially outside the reinforcing rib (10), three enclosing parts (30) are inserted on the reinforcing rib (10), and three enclosing parts (30) enclose three cable cores (20) between three enclosing parts (30) and the reinforcing rib (10), three groups of second capsules (40) are inserted into the gap between adjacent enclosing parts (30) and adjacent cable cores (20), and the outer sheath (50) is arranged outside three enclosing parts (30). The enclosing part (30) includes a first capsule (31), and the first capsule (31) and the second capsule (40) are both filled with aluminum hydroxide or magnesium hydroxide particles.

2. A high flame retardant insulation high performance electrical wire cable according to claim 1, characterized by: The reinforcing rib (10) includes a hollow pipe segment (11), three short protrusions (12) and three positioning arc walls (13), three short protrusions (12) are evenly formed and distributed on the outer wall of the hollow pipe segment (11) radially, and one end of each short protrusion (12) away from the hollow pipe segment (11) is fixedly connected with the center of one positioning arc wall (13).

3. A high flame retardant, high performance insulated electrical wire cable according to claim 2, characterized in that: An insertion slot (14) with an opening is formed between two adjacent positioning arc walls (13) and the hollow pipe segment (11).

4. A high flame retardant insulation high performance electrical wire cable as claimed in claim 1, wherein: The cable core (20) includes a plurality of conductive inner cores (21) and an inner sheath (22), the inner sheath (22) is arranged outside the plurality of conductive inner cores (21), and the inner sheath (22) from inside to outside includes a fire-resistant layer, a shielding layer and an insulation layer.

5. A high flame retardant insulation high performance electrical wire cable according to claim 3, characterized by: The enclosing part (30) further includes a long protrusion (32) and an enclosing arc wall (33), the first capsule (31) is shaped to fit the shape of the insertion slot (14), and the first capsule (31) is inserted into the insertion slot (14), the long protrusion (32) is formed outside the first capsule (31) and penetrates the opening of the insertion slot (14), one end of the long protrusion (32) outside the insertion slot (14) is fixedly connected with the middle part of the enclosing arc wall (33), and the enclosing arc walls (33) of three enclosing parts (30) can be enclosed to form a circle.

6. A high flame retardant insulation high performance wire and cable as claimed in claim 1, wherein: The outer sheath (50) from inside to outside includes an insulation layer, a flame-retardant layer and a protective layer.

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