CN215342047U

CN215342047U - Industrial and mining signal transmission composite multipurpose cable

Info

Publication number: CN215342047U
Application number: CN202121354719.7U
Authority: CN
Inventors: 徐建军; 朱国祥
Original assignee: Zhejiang Hanli Cable Co ltd
Current assignee: Zhejiang Hanli Cable Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-28
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses an industrial and mining signal transmission composite multipurpose cable, which comprises an inner sheath, a water-blocking layer, an outer shielding layer and an outer sheath, wherein the inner sheath is internally provided with: three groups of signal wires which are circularly trisected and distributed in whole columns; the three groups of steel wires are used for strengthening tensile strength of the three groups of component signal wires and are respectively positioned at included angles between the three groups of component signal wires; the first filling medium is filled among the three groups of steel wires, the outer wall of the signal dividing line and the inner sheath; and a PET belt is tightly wrapped between the outer wall of the first filling medium and the inner sheath. According to the utility model, the electronic signal wire is used as the main signal wire, the coaxial cable core made of the copper wire is used as the branch signal wire, signal attenuation can be effectively avoided under high use frequency, data is not lost, and the cable has better bending resistance and external tension resistance through the three groups of steel wires and the water blocking yarn.

Description

Industrial and mining signal transmission composite multipurpose cable

Technical Field

The utility model relates to the technical field of industrial and mining communication, in particular to an industrial and mining signal transmission composite multipurpose cable.

Background

With the rapid development of global energy, the industrial and mining signal transmission composite multipurpose cable is suitable for connecting buried, humid and dark environment equipment, for example, the composite multipurpose cable is mainly applied to digital transmission communication of equipment such as underground communication, underground network equipment, mechanical signal transmission and the like, so that the control and operation of the equipment on the ground are realized, the composite multipurpose cable has the characteristics of corrosion resistance, water resistance, wear resistance, tensile resistance, electronic interference resistance and bending resistance, is suitable for underground communication occasions, has the use length of 1000 meters, and is more and more concerned by companies in aspects of digital communication network service and the like and the selection of signal transmission cables.

The existing cable still has the phenomena of data loss and unstable signal transmission under the condition of high-frequency use, has poor bending resistance and external tension action capability, and cannot be used in a complex environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an industrial and mining signal transmission composite multipurpose cable.

In order to achieve the purpose, the utility model adopts the following technical scheme: composite multi-purpose cable of industrial and mining signal transmission includes: an inner sheath, be equipped with in the inner sheath: three groups of signal wires which are circularly trisected and distributed in whole columns; the three groups of steel wires are used for strengthening tensile strength of the three groups of component signal wires and are respectively positioned at included angles between the three groups of component signal wires; the first filling medium is filled among the three groups of steel wires, the outer wall of the signal dividing line and the inner sheath; a PET belt is tightly wrapped between the outer wall of the first filling medium and the inner sheath; the waterproof layer is arranged between the waterproof layer and the inner sheath, and gaps among the waterproof layer, the inner sheath, the main signal wire, the power wires and the ground wires are filled through a second filling medium; the outer shielding layer is arranged on the outer wall of the water resisting layer and is formed by tin-plated copper wires and aluminum foils; and the outer sheath is made of TPU materials and is coated on the outer wall of the outer shielding layer in an extrusion coating mode.

Preferably, the signal splitting line comprises a coaxial cable core, and a coaxial insulating layer, a first inner shielding layer and a protective layer which are sequentially arranged on the outer wall of the coaxial cable core from inside to outside.

Preferably, the coaxial cable core is a copper wire with the diameter of 0.57 mm.

Preferably, the coaxial insulating layer is polyethylene.

Preferably, the first inner shielding layer is a copper-added aluminum foil, and is stranded on the outer wall of the coaxial insulating layer through constant tension.

Preferably, the main signal wire, the two power wires and the ground wire are gathered and distributed in the/circumferential range of the outer wall of the inner sheath.

Preferably, the main signal wire is a 3-core coaxial electronic signal wire.

Preferably, the water-blocking layer comprises a first water-blocking layer and a second water-blocking layer which are sequentially arranged from outside to inside, the first water-blocking layer is a water-blocking tape, and the second water-blocking layer is a water-blocking yarn.

Preferably, the outer walls of the two power lines are provided with power insulation layers.

The utility model has the following beneficial effects:

compared with the prior art, this compound multipurpose cable of industrial and mining signal transmission, adopt the electronic signal line to be the main signal line, the coaxial cable core that the copper line was made is for dividing the signal line, can be under high frequency of use, effectively avoid signal attenuation, and data is not lost, through three steel wires of group that set up and the yarn that blocks water, make the cable possess better bending resistance and outer pulling force effect, it is applicable complicated in the complex environment, can ensure through the outer shielding layer that the stable transmission of signal does not receive external interference, first inner shield layer, the signal crosstalk problem when the second inner shield layer can effectively prevent the cable use, be first water blocking layer through the area that blocks water, the yarn that blocks water is the second water blocking layer, make the cable possess dampproofing and waterproofing's dual prevention effect.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the industrial and mining signal transmission composite multipurpose cable according to the present invention;

fig. 2 is a cross-sectional view of a signal distributing line of the industrial and mining signal transmission composite multipurpose cable according to the present invention;

fig. 3 is a cross-sectional view of a ground wire of the industrial and mining signal transmission composite multipurpose cable according to the present invention;

fig. 4 is a cross-sectional view of a power line of the industrial and mining signal transmission composite multipurpose cable according to the present invention.

Illustration of the drawings:

1. an outer sheath; 2. an outer shield layer; 3. a first water resistant layer; 4. a second water resistant layer; 5. a first filling layer; 6. a ground wire; 7. a power line; 8. an electronic signal line; 9. an inner sheath; 10. a PET tape; 11. a first fill medium; 12. a steel wire; 13. a coaxial cable core; 14. a coaxial insulating layer; 15. a first inner shield layer; 16. a protective layer; 17. a second inner shield layer; 18. and a power supply insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the industrial and mining signal transmission composite multipurpose cable provided by the utility model comprises: comprises an inner sheath 9, a water-resistant layer, an outer shielding layer 2 and an outer sheath 1. The inner sheath 9 is internally provided with: three groups of signal wires which are circularly trisected and distributed in whole columns; three groups of steel wires 12 for strengthening tensile strength of the three groups of component signal wires, wherein the three groups of steel wires 12 are respectively positioned at included angles among the three groups of component signal wires; the first filling medium 11 is filled among the three groups of steel wires 12, the outer wall of the branch signal wire and the inner sheath 9; a PET belt 10 is tightly wrapped between the outer wall of the first filling medium 11 and the inner sheath 9.

7 main signal wires, two power wires 7 and a ground wire 6 are arranged between the water-resistant layer and the inner sheath 9, and gaps among the water-resistant layer, the inner sheath 9, the main signal wires, the power wires 7 and the ground wire 6 are filled through a second filling medium 5. The 7 main signal wires, the two power wires 7 and the ground wire 6 are gathered and distributed in the 1/3 circumferential range of the outer wall of the inner sheath 9, and when the cable is laid, one surface of the cable wrapped with the 7 main signal wires, the two power wires 7 and the ground wire 6 faces upwards, so that abrasion of friction on the main signal wires, the power wires and the ground wire can be reduced.

The outer shielding layer 2 is a tin-plated copper wire and an aluminum foil and is arranged on the outer wall of the waterproof layer.

The outer sheath 1 is wrapped on the outer wall of the outer shielding layer 2 in an extruding and wrapping mode and is made of TPU materials.

The main signal wires are 3-core coaxial electronic signal wires 8, and the electronic signal wires 8 are matched with the coaxial cable cores 13 for transmission, so that signals are prevented from being lost, and signal attenuation is avoided.

The water-blocking layer is composed of a first water-blocking layer 3 and a second water-blocking layer 4, the second water-blocking layer 4 and the first water-blocking layer 3 are sequentially arranged on the outer wall of the first filling layer 5 from inside to outside, the first water-blocking layer 3 is a water-blocking tape, the second water-blocking layer 4 is a water-blocking yarn, the first water-blocking layer 3 and the water-blocking yarn are the second water-blocking layer 4 through the water-blocking tape, and therefore the cable has the moisture-proof and water-proof double-prevention effect.

The signal dividing line comprises seven coaxial cable cores 13, coaxial insulating layers 14, a first inner shielding layer 15 and a protective layer 16, wherein the coaxial insulating layers 14 are sequentially arranged on the outer walls of the seven coaxial cable cores 13 from inside to outside, the coaxial cable cores 13 are copper wires with the diameter of 0.57mm, the coaxial insulating layers 14 are polyethylene coated on the outer walls of the coaxial cable cores 13, the first inner shielding layers 15 are copper-added aluminum foils and are stranded on the outer walls of the coaxial insulating layers 14 through constant tension, and the first inner shielding layers 15 enable the coaxial cable cores 13 to have good anti-interference effect and cannot interfere main signal lines.

The outer wall of the ground wire 6 is wrapped with a second inner shielding layer 17, the second inner shielding layer 17 is longitudinally wrapped with aluminum foil, and the second inner shielding layer 17 is used for preventing internal signal crosstalk.

And the outer walls of the two power supply wires 7 are provided with power supply insulating layers 18.

The working principle is as follows: this composite multipurpose cable for industrial and mining signal transmission uses coaxial cable core 13 and coaxial insulating layer 14, first internal shield layer 15, the branch signal line that the inoxidizing coating 16 is constituteed and the main signal line that 3 coaxial electronic signal line 8 of core constitutes, signal data transmission carries out, electronic signal line 8 is main signal transmission, coaxial cable core 13 is additional signal transmission, the transmission speed is fast, the decay is little, the transmission is stable, three groups of steel wires 12 that set up increase the pulling force of cable, prevent breaking, use the water blocking tape to be first water blocking layer 3, the yarn that blocks water is second water blocking layer 4, make the cable possess dampproofing and waterproofing's dual-protection effect, first internal shield layer 15, second internal shield layer 17 can effectively prevent internal signal and crosstalk, external signal interference can effectively be avoided to external shield layer 2.

Finally, it should be noted that: 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 utility model.

Claims

1. Compound multipurpose cable of industrial and mining signal transmission, its characterized in that includes:

an inner sheath (9), be equipped with in the inner sheath (9): three groups of signal wires which are circularly trisected and distributed in whole columns; three groups of steel wires (12) used for strengthening tensile strength of the three groups of component signal wires, wherein the three groups of steel wires (12) are respectively positioned at included angles among the three groups of component signal wires; and a first filling medium (11) filled among the three groups of steel wires (12), the outer wall of the branch signal wire and the inner sheath (9); a PET belt (10) is tightly wrapped between the outer wall of the first filling medium (11) and the inner sheath (9);

the waterproof layer is provided with 7 main signal wires, two power wires (7) and a ground wire (6) between the waterproof layer and the inner sheath (9), and gaps among the waterproof layer, the inner sheath (9), the main signal wires, the power wires (7) and the ground wire (6) are filled through a second filling medium (5);

the outer shielding layer (2) is arranged on the outer wall of the water resisting layer, and the outer shielding layer (2) is a tin-plated copper wire and an aluminum foil; and

the outer sheath (1) is made of TPU materials and is coated on the outer wall of the outer shielding layer (2) in an extrusion coating mode.

2. The industrial and mining signal transmission composite multipurpose cable according to claim 1, characterized in that: the signal distributing line comprises a coaxial cable core (13), and a coaxial insulating layer (14), a first inner shielding layer (15) and a protective layer (16) which are sequentially arranged on the outer wall of the coaxial cable core (13) from inside to outside.

3. The industrial and mining signal transmission composite multipurpose cable according to claim 2, wherein: the coaxial cable core (13) is a copper wire with the diameter of 0.57 mm.

4. The industrial and mining signal transmission composite multipurpose cable according to claim 2, wherein: the coaxial insulating layer (14) is polyethylene.

5. The industrial and mining signal transmission composite multipurpose cable according to claim 4, wherein: the first inner shielding layer (15) is a copper wire aluminum foil and is stranded on the outer wall of the coaxial insulating layer (14) through constant tension.

6. The industrial and mining signal transmission composite multipurpose cable according to claim 1, characterized in that: the 7 main signal wires, the two power wires (7) and the ground wire (6) are gathered and distributed in 1/3 circumference of the outer wall of the inner sheath (9).

7. The industrial and mining signal transmission composite multipurpose cable according to claim 1 or 6, characterized in that: the main signal wire is a 3-core coaxial electronic signal wire (8).

8. The industrial and mining signal transmission composite multipurpose cable according to claim 1, characterized in that: the waterproof layer comprises a first waterproof layer (3) and a second waterproof layer (4) which are sequentially arranged from outside to inside, the first waterproof layer (3) is a waterproof tape, and the second waterproof layer (4) is a waterproof yarn.

9. The industrial and mining signal transmission composite multipurpose cable according to claim 1, characterized in that: and power insulation layers (18) are arranged on the outer walls of the two power lines (7).