Self-luminous photoelectric composite open-air towing mining flexible cable

Abstract

The utility model relates to a self-luminous mining flexible cable for outdoor towing, and belongs to the technical field of cables. According to the technical scheme, power wire core insulation is extruded outside a power wire core conductor, a semi-conductive belt is wrapped outside the power wire core insulation, and a composite braided shielding layer is arranged outside the semi-conductive belt to form a power wire core; a plurality of control wire cores are twisted outside the optical cable wire core to form a cable, a polyester belt and an aluminum plastic belt are wrapped after the cable is formed, a copper wire shielding layer is woven to form a combined wire core, the combined wire core, a ground wire core and a plurality of power wire cores form the cable, a saddle-shaped rubber core is arranged at the cable core part, and an aramid rope is arranged in the middle of the saddle-shaped rubber core. And after an LED light band is spirally lapped outside the cabling, a sheath is extruded outside the cabling. The position of the cable can be determined under the condition of no light, the prompting and early warning effects are achieved, rolling compaction of vehicles is prevented, and the service life of the cable is prolonged. Meanwhile, power and optical signals are transmitted through one cable at the same time, the dual requirements of equipment power supply and communication are met, and repeated wiring is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of photoelectric composite open-air mine soft cable with self-luminous, belong to cable technical field. BACKGROUND

[0002] In recent years, with the recovery of resource-based ore prices, the consumption of open-air mine cable is increasing. Due to the harsh environment of the mine, the service life of the cable is very short. However, through on-site investigation of the open-air mine cable, many damages occur at night when human vision cannot identify. Vehicles are mispressed or impacted by heavy objects, causing irreparable physical damage to the cable, resulting in the short service life of the open-air mine cable. There is also a situation of repeated wiring on site, which leads to chaotic cable laying and easy mispressing by vehicles. SUMMARY

[0003] The utility model aims to provide a kind of photoelectric composite open-air mine soft cable with self-luminous. By increasing LED light strips inside the cable, the cable position can be prompted at night for a long distance, preventing vehicle crushing and reducing cable damage. The service life of the cable is improved. At the same time, by increasing the optical cable, optical fiber communication is realized, the reliability of the signal is increased, the cable laying is reduced, and the above problems in the background technology are solved.

[0004] The technical solution of the utility model is as follows:

[0005] A novel photoelectric composite open-air mine soft cable with self-luminous includes aramid rope, saddle-shaped rubber core, power line core conductor, power line core insulation, semi-conductive tape, composite braided shielding layer, LED light strip, optical cable core, control line core, polyester tape, aluminum plastic tape, copper wire shielding layer, ground wire core and sheath. The power line core conductor is extruded with power line core insulation, and the semi-conductive tape is wrapped outside the power line core insulation. The composite braided shielding layer is provided outside the semi-conductive tape to form a power line core. The optical cable core is twisted with multiple control line cores to form a cable, and the polyester tape and aluminum plastic tape are wrapped after the cable is formed. The copper wire shielding layer is braided to form a combined core. The combined core, ground wire core and multiple power line cores are twisted to form a cable. The saddle-shaped rubber core is provided at the center of the cable. The aramid rope is provided in the middle of the saddle-shaped rubber core 2. The LED light strip is spirally wrapped outside the cable, and the sheath is extruded outside the cable.

[0006] Further, the sheath is a polyurethane sheath, and the color of the polyurethane sheath is transparent.

[0007] Further, the power line core conductor is a tinned copper conductor.

[0008] Further, the power line core insulation is ethylene-propylene insulation.

[0009] Further, the LED light strip is a cylindrical LED soft light strip.

[0010] Further, the composite braided shield is a mixture of tinned copper wire and fiber wire.

[0011] Further, the ground core is made of tinned conductor outer extrusion of semi-conductive glue.

[0012] Further, the optical fiber in the optical cable core is a bend-insensitive single-mode optical fiber.

[0013] Further, the outer insulation of the control core is fluoroplastic insulation.

[0014] The positive effects of the utility model are as follows: when the cable is used at night, the cable can emit light autonomously as a whole, replacing the traditional reflective tape and fluorescent strip, so that the cable position can be determined under the condition of no light, the function of prompting and early warning can be realized, the vehicle crushing can be prevented, the cable damage can be reduced, and the cable life can be prolonged. Meanwhile, the currentless transmission characteristics of the optical fiber communication can avoid electromagnetic interference, the signal transmission stability can be ensured, and the utility model is suitable for industrial automation. Meanwhile, power and optical signals can be transmitted through one cable, the double requirements of equipment power supply and communication can be solved, and repeated wiring can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model structural schematic diagram is shown in the figure.

[0016] In the figure: aramid rope 1, saddle-shaped rubber core 2, power core conductor 3, power core insulation 4, semi-conductive tape 5, composite braided shield 6, LED light strip 7, optical cable core 8, control core 9, polyester tape 10, aluminum plastic tape 11, copper wire shield 12, ground core 13, sheath 14, optical cable sheath 15, inner shield 16, outer shield 17. DETAILED DESCRIPTION

[0017] The utility model will be further described below in combination with the drawings and examples:

[0018] Referring to the drawings Figure 1The embodiment provides a novel photovoltaic composite open-air trailing mine soft cable with self-luminous, which comprises aramid rope 1, saddle-shaped rubber core 2, power line core conductor 3, power line core insulation 4, semi-conductive tape 5, composite braided shielding layer 6, LED light strip 7, optical cable core 8, control line core 9, polyester tape 10, aluminum plastic tape 11, copper wire shielding layer 12, ground core 13 and sheath 14, the power line core conductor 3 is extruded and wrapped with the power line core insulation 4, the semi-conductive tape 5 is wrapped outside the power line core insulation 4, and the composite braided shielding layer 6 is arranged outside the semi-conductive tape 5 to form a power line core; the optical cable core 8 is twisted with twelve control line cores 9 to form a cable, and after the cable is formed, the polyester tape 10 and the aluminum plastic tape 11 are wrapped and then the copper wire shielding layer 12 is braided to form a combined core, the combined core, the ground core 13 and three power line cores are twisted to form a cable, the saddle-shaped rubber core 2 is arranged at a cable core position, the aramid rope 1 is arranged at the middle part of the saddle-shaped rubber core 2, and the aramid rope 1 is strengthened, and the LED light strip 7 is spirally wrapped outside the cable, and then the sheath 14 is extruded outside.

[0019] In the embodiment, the power line core conductor 3 is a type 6 cable tinned copper conductor, the power line core conductor 3 is provided with an inner shielding layer 16, the inner shielding layer is extruded and wrapped with the power line core insulation 4, the power line core insulation 4 is ethylene-propylene insulation, and the power line core insulation 4 is provided with an outer shielding layer 17.

[0020] The ground core 13 is made of a tinned conductor extruded and wrapped with semi-conductive glue. The type of the optical cable core 8 is G657.A2, the optical fiber in the optical cable core 8 is a bend-insensitive single-mode optical fiber, and the cable is ensured to be used in a frequently-bent environment. The optical cable core 8 is provided with an optical cable sheath 15 outside. The LED light strip 7 is a cylindrical LED soft light strip. The outer insulation of the control line core 9 is fluoroplastic insulation.

[0021] Preferably, the semi-conductive tape 5 wrapped outside the power line core is a special TUDAR semi-conductive tape, and a semi-conductive mark "SEMI-CONDUCTIVE TAPE - REMOVE WHEN TERMINATING OR SPLICING" is printed outside the semi-conductive tape 5.

[0022] Preferably, the volume resistivity of the semi-conductive tape wrapped outside the power line core requires that the volume resistivity is less than or equal to 20 ohm meters at 23+3 DEG C.

[0023] Preferably, the composite braided shielding layer 6 is made of tinned copper wires and fiber wires mixedly braided, and the tinned copper wires and the fiber wires are each half, the braiding direction of the tinned copper wires is rightward, and the braiding direction of the fiber wires is leftward; the braiding pitch is less than or equal to 4.5 times the pitch circle diameter of the braided shielding layer.

[0024] Preferably, the tinned copper wire in the composite braided shielding layer 6 is a 7 / 0.3 strand wire, the strand wire twisting direction is rightward, and the twisting pitch is 9-11 mm.

[0025] Preferably, the sheath 14 is a polyurethane sheath, and the color of the polyurethane sheath is transparent. In order to ensure the light transmittance of the LED lamp, the transparency of the polyurethane sheath material needs to be specifically required. In the 2mm thick polyurethane sample, the fire source for testing should meet the provisions of Chapter 6 in IEC 61034-1, and the light transmittance is required to be greater than or equal to 0.8, as follows:

[0026] λ = I0 / It;

[0027] I0- the intensity of incident light;

[0028] It- the intensity of transmitted light;

[0029] λ- the light transmittance.

[0030] The sheath is a polyurethane sheath, and the polyurethane extrusion temperature is required as follows:

[0031]

[0032] The cable is internally added with an LED lamp strip, which is a 360-degree light-emitting cylindrical waterproof flexible LED neon lamp strip, and the specific requirements are as follows:

[0033]

[0034] The LED soft lamp strip is a gap spiral type wrapped around the cabling composite shielded wire core, and the wrapping pitch is 4.5 times the outer diameter of the cabling wire core.

Claims

1. A new type of optoelectrical composite open-air trailing mining flexible cable with self-luminous, characterized in that: The application relates to a power cable, which comprises aramid rope (1), a saddle-shaped rubber core (2), a power line core conductor (3), power line core insulation (4), a semi-conductive tape (5), a composite braided shielding layer (6), an LED light strip (7), an optical cable core (8), a control line core (9), a polyester tape (10), an aluminum plastic tape (11), a copper wire shielding layer (12), a ground wire core (13) and a sheath (14), the power line core conductor (3) is extruded with the power line core insulation (4), the semi-conductive tape (5) is wrapped outside the power line core insulation (4), the composite braided shielding layer (6) is arranged outside the semi-conductive tape (5) to form a power line core; the optical cable core (8) is twisted with a plurality of control line cores (9) to form a cable, the polyester tape (10) and the aluminum plastic tape (11) are wrapped outside the cable, and the copper wire shielding layer (12) is braided to form a combined core, the combined core, the ground wire core (13) and the plurality of power line cores are twisted to form a cable, the saddle-shaped rubber core (2) is arranged at a cable core position, the aramid rope (1) is arranged at the middle part of the saddle-shaped rubber core (2), the LED light strip (7) is spirally wrapped outside the cable, and the sheath (14) is extruded outside the LED light strip (7).

2. A new type of optoelectrical composite open-air trailing mining flexible cable with self-luminous according to claim 1, characterized in that: The sheath (14) is a polyurethane sheath, and the color of the polyurethane sheath is transparent.

3. A new type of photovoltaic composite open-air trailing mine soft cable with self-luminous according to claim 1 or 2, characterized in that: The power line core conductor (3) is a tinned copper conductor.

4. A new type of photovoltaic composite open-air trailing mine soft cable with self-luminous according to claim 1 or 2, characterized in that: The power line core insulation (4) is ethylene-propylene insulation.

5. A new type of photovoltaic composite open-air trailing mine soft cable with self-luminous according to claim 1 or 2, characterized in that: The LED light strip (7) is a cylindrical LED soft light strip.

6. A new type of photovoltaic composite open-air trailing mine soft cable with self-luminous according to claim 1 or 2, characterized in that: The composite braided shielding layer (6) is a mixed braiding of tinned copper wires and fiber wires.

7. A new type of photovoltaic composite open-air trailing mine soft cable with self-luminous according to claim 1 or 2, characterized in that: The ground wire core (13) is made of a tinned conductor and a semi-conductive glue.

8. A new type of photovoltaic composite open-air trailing mine soft cable with self-luminous according to claim 1 or 2, characterized in that: The optical fiber in the optical cable core (8) is a single-mode optical fiber.

9. A new type of photovoltaic composite open-air trailing mine soft cable with self-luminous according to claim 1 or 2, characterized in that: The outer insulation of the control line core (9) is fluoroplastic insulation.

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