Environment-friendly photoelectric composite signal cable

Abstract

The utility model discloses an environment-friendly photoelectric composite signal cable, which comprises an optical unit, a control signal wire core and a pair wire group which are arranged on the outer side of the optical unit, and a filler arranged between the control signal wire core and the pair wire group, the control signal wire core, the optical unit, the paired wire group and the filler are twisted to form a cabling cable core; each control signal wire core comprises a first conductor, a first insulating layer and a first braid layer, the first insulating layer is arranged outside the first conductor, and the first braid layer is arranged outside the first insulating layer; by arranging the isolation layer structure in the control wire core, the conductor and the insulation layer are effectively isolated, so that on one hand, the flexibility of the cable is improved, and on the other hand, the integrity and brightness of the conductor are effectively protected; the signal transmitting unit detects the power supply states of the first wire and the second wire, feeds back the detection result to the signal receiving end, obtains the value transmitted by the cable, and then judges the working state of the cable.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to an environmentally friendly photoelectric composite signal cable. Background Art

[0002] Cable is a wire product that can transmit electric energy, electric signals and realize electromagnetic energy conversion. It has a wide range of uses in production and life. Cable can be a rope-like cable made of multiple or multiple groups of wires twisted together. Each or each group of wires is insulated from each other and the entire outside is wrapped with a highly insulating covering layer. Cables are often erected in the air or installed underground or underwater for telecommunications or power transmission. With the rapid development of the national economy, the industry field is constantly expanding, and cables are widely used in different environments. However, some wires and cables are one of the transmission carriers of electricity. The existing wires and cables have weak protection measures for the cable core, which makes the cable core It is easy to be damaged, which not only shortens the service life of the cable, but also poses certain safety hazards when the cable is damaged, which may cause fire and leakage. In addition, when the cable is transmitting power, it is impossible to know whether the cable is operating normally, and when the cable is abnormal, it is impossible to know the location of the abnormal point in the cable. Due to the particularity of the installation and use of communication power cables, it is necessary to ensure the flexibility of the cable, fully reduce the difficulty of laying, and be flame retardant and environmentally friendly. At the same time, it is necessary to realize the simultaneous transmission of optical and electrical signals, have certain mechanical and electrical properties, and meet the stability of optical and electrical signal transmission. Utility Model Content

[0003] Purpose of the utility model: to provide an environmentally friendly optoelectronic composite signal cable to solve the above-mentioned problems existing in the prior art.

[0004] Technical solution: An environmentally friendly photoelectric composite signal cable, comprising:

[0005] An optical unit, a control signal wire core and a pair of wires arranged outside the optical unit, and a filler arranged between the control signal wire core and the pair of wires;

[0006] The control signal wire core, the optical unit, the wire pair group and the filler are twisted into a cable core;

[0007] The control signal wire core comprises a first conductor, a first insulating layer and a first braided layer, the first conductor is provided with a first insulating layer outside, and the first insulating layer is provided with a first braided layer outside;

[0008] A wrapping layer is arranged outside the cable core, an inner protective layer is arranged outside the wrapping layer, a metal armor layer is arranged outside the inner protective layer, and an outer sheath is arranged outside the metal armor layer.

[0009] In a further embodiment, the first conductor is an annealed copper wire, and the diameter of the first conductor is 0.5-10 mm; the first insulating layer is a low-smoke halogen-free flame-retardant polyolefin insulation material; and the first braided layer is a tinned copper wire.

[0010] In a further embodiment, the number of the control signal wire cores is 1-5.

[0011] In a further embodiment, the optical unit includes at least one optical fiber, a fiber paste arranged outside the optical fiber, a stainless steel tube arranged outside the optical fiber, a cladding aramid arranged outside the stainless steel, and a protective layer arranged outside the cladding aramid; the fiber paste fills the gap between the optical fiber and the stainless steel tube; the protective layer is a halogen-free, low-smoke, flame-retardant polyolefin sheath material; the number of the optical units is 1-7.

[0012] In a further embodiment, the pair of wires is formed by twisting at least two A and B insulating cores of different colors, and the pair of wires includes a second conductor and a second insulating layer arranged outside the second conductor; the number of the insulating cores is an even number.

[0013] In a further embodiment, the pair of wires is provided with at least one wire, and a second braided layer is provided outside the pair of wires.

[0014] In a further embodiment, the second conductor is an annealed copper wire, and the diameter of the second conductor is 0.12-1.0 mm; the second insulation layer is a low-smoke halogen-free flame-retardant polyolefin insulation material; and the second braided layer is a tinned copper wire.

[0015] In a further embodiment, the wrapped cladding is a flame retardant glass ribbon.

[0016] In a further embodiment, the inner sheath is a low-smoke, halogen-free, flame-retardant polyolefin sheath material; the metal armor layer is a steel belt, and the outer sheath is a low-smoke, halogen-free, flame-retardant polyolefin sheath material.

[0017] In a further embodiment, a signal transmitting unit is provided on each of the first conductor and the second conductor, and a plurality of the signal transmitting units are provided and are evenly arranged on the first conductor and the second conductor, and the signal transmitting unit is electrically connected to the first conductor and the second conductor, and the signal transmitting unit is installed on the first insulating layer and the second insulating layer, and the signal transmitting unit is used to obtain the power supply, voltage and current on the first conductor and the second conductor, and the signal transmitting unit converts the detected values ​​into wireless signals for viewing by devices outside the cable.

[0018] Beneficial effect: The utility model discloses an environmentally friendly optoelectronic composite signal cable. The utility model effectively isolates the conductor and the insulation by setting an isolation layer structure in the control line core, which increases the softness of the cable on the one hand and effectively protects the integrity and brightness of the conductor on the other hand; in addition, the power line and the signal line in the same cable are isolated to avoid mutual interference of the electrical signals in transmission, extend the service life of the cable, increase the safety of the cable, and set the insulation layer of the cable in multiple layers, so that the cable can be used in different environments and has good electrical insulation performance. The filler, the sheath, the inner and outer The sheath insulates the power line and the signal line, as well as the cable from the outside world, and has good flame retardancy. In the event of a fire, it can effectively prevent the cable from spontaneous combustion; the signal transmitting unit detects the power supply status of the first wire and the second wire, and feeds the detection result back to the signal receiving end, obtains the value transmitted by the cable, and then determines the working status of the cable; by combining the power line and the signal line in the same line, the signal line can transmit communication, data, graphic signals and control signals together. The cable is flame retardant and suitable for use in highways, subways, and mines. It can be directly buried or laid overhead. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] The figure markings are: 1. control signal core; 2. optical unit; 3. pair group; 4. filler; 5. cable core; 6. sheath; 7. inner protective layer; 8. metal armor layer; 9. outer sheath; 101. first conductor; 102. first insulating layer; 103. first braided layer; 301. second conductor; 302. second insulating layer; 303. second braided layer. DETAILED DESCRIPTION

[0021] The utility model provides an environmentally friendly photoelectric composite signal cable, which effectively isolates the conductor and the insulation by arranging an isolation layer structure in the control wire core; a signal transmitting unit detects the power supply status of a first conductor and a second conductor, and feeds back the detection result to a signal receiving end, obtains the value transmitted by the cable, and then determines the working status of the cable; the scheme is described in detail through specific embodiments below.

[0022] Reference Figure 1 An environmentally friendly optoelectronic composite signal cable is shown, comprising:

[0023] An optical unit 2, a control signal wire core 1 and a pair of wires 3 arranged outside the optical unit 2, and a filler 4 arranged between the control signal wire core 1 and the pair of wires 3;

[0024] The control signal core 1, the optical unit 2, the pair group 3 and the filler 4 are twisted into a cable core 5; the number of the control signal cores 1 is 1-5, and the optical unit 2 includes at least one optical fiber, a fiber paste arranged outside the optical fiber, a stainless steel tube arranged outside the optical fiber, a cladding aramid arranged outside the stainless steel, and a protective layer arranged outside the cladding aramid; the stainless steel tube is seamlessly welded, and the fiber paste is filled in the gap between the optical fiber and the stainless steel tube; the protective layer is a halogen-free, low-smoke, flame-retardant polyolefin sheath material; the number of the optical units 2 is 1-7; the filler 4 is a flame-retardant PP rope or a low-smoke, halogen-free filling strip.

[0025] The pair of wires 3 is formed by twisting at least two A and B insulated wire cores of different colors, and the pair of wires 3 includes a second conductor 301 and a second insulating layer 302 arranged outside the second conductor 301; the number of the insulated wire cores is an even number; the pair of wires 3 is provided with at least one, and a second braided layer 303 is arranged outside the pair of wires 3; the second conductor 301 is an annealed copper wire, and the diameter of the second conductor 301 is 0.12-1.0 mm; the second insulating layer 302 is a low-smoke halogen-free flame-retardant polyolefin insulating material; the second braided layer 303 is a tinned copper wire; the second insulating layer 302 in the pair of wires 3 is marked with different colors, wherein the colors of the A core insulation layer are white, red, black, yellow, and purple; the colors of the B core insulation layer are blue, orange, green, brown, and gray.

[0026] The control signal core 1 includes a first conductor 101, a first insulating layer 102 and a first braided layer 103. The first conductor 101 is provided with a first insulating layer 102 outside, and the first braided layer 103 is provided with a first braided layer 103 outside the first insulating layer 102; the first conductor 101 is an annealed copper wire, and the diameter of the first conductor 101 is 0.5-10 mm; the first insulating layer 102 is a low-smoke halogen-free flame-retardant polyolefin insulating material; the first braided layer 103 is a tinned copper wire, and the first insulating layer 102 in the control signal core 1 is marked with different colors or numbers.

[0027] The cable core 5 is provided with a wrapping layer 6 on the outside, an inner protective layer 7 on the outside of the wrapping layer 6, a metal armor layer 8 on the outside of the inner protective layer 7, and an outer sheath 9 on the outside of the metal armor layer 8; the wrapping layer 6 is a flame-retardant glass ribbon; the inner protective layer 7 is a low-smoke halogen-free flame-retardant polyolefin sheath material; the metal armor layer 8 is an aluminum strip or a steel strip, and an interlocking armoring method is used to form a metal sheath.

[0028] A signal transmitting unit is provided on each of the first conductor 101 and the second conductor 301. A plurality of the signal transmitting units are provided and are evenly arranged on the first conductor 101 and the second conductor 301. The signal transmitting unit is electrically connected to the first conductor 101 and the second conductor 301. The signal transmitting unit is installed on the first insulating layer 102 and the second insulating layer 302. The signal transmitting unit is used to obtain the power supply, voltage and current on the first conductor 101 and the second conductor 301. The signal transmitting unit converts the detected values ​​into wireless signals for viewing by devices outside the cable.

[0029] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings; however, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. An environmentally friendly optoelectronic composite signal cable, comprising: An optical unit, a control signal wire core and a pair of wires arranged outside the optical unit, and a filler arranged between the control signal wire core and the pair of wires; Characterized in that the control signal wire core, the optical unit, the wire pair group and the filler are twisted into a cable core; The control signal wire core comprises a first conductor, a first insulating layer and a first braided layer, the first conductor is provided with a first insulating layer outside, and the first insulating layer is provided with a first braided layer outside; A wrapping layer is arranged outside the cable core, an inner protective layer is arranged outside the wrapping layer, a metal armor layer is arranged outside the inner protective layer, and an outer sheath is arranged outside the metal armor layer.

2. The environmentally friendly optoelectronic composite signal cable according to claim 1, characterized in that: The first conductor is an annealed copper wire, and the diameter of the first conductor is 0.5-10 mm; the first insulating layer is a low-smoke halogen-free flame-retardant polyolefin insulating material; and the first braided layer is a tinned copper wire.

3. The environmentally friendly optoelectronic composite signal cable according to claim 1, characterized in that: The number of the control signal wire cores is 1-5.

4. The environmentally friendly optoelectronic composite signal cable according to claim 1, characterized in that: The optical unit includes at least one optical fiber, a fiber paste arranged outside the optical fiber, a stainless steel tube arranged outside the optical fiber, a cladding aramid arranged outside the stainless steel, and a protective layer arranged outside the cladding aramid; the fiber paste fills the gap between the optical fiber and the stainless steel tube; the protective layer is a halogen-free, low-smoke, flame-retardant polyolefin sheath material; the number of the optical units is 1-7.

5. The environmentally friendly optoelectronic composite signal cable according to claim 1, characterized in that: The pair of wires is formed by twisting at least two A and B insulating wire cores of different colors, and the pair of wires includes a second conductor and a second insulating layer arranged outside the second conductor; the number of the insulating wire cores is an even number.

6. The environmentally friendly optoelectronic composite signal cable according to claim 5, characterized in that: The pair of wires is provided with at least one wire, and a second braided layer is provided outside the pair of wires.

7. The environmentally friendly optoelectronic composite signal cable according to claim 6, characterized in that: The second conductor is an annealed copper wire, and the diameter of the second conductor is 0.12-1.0 mm; the second insulating layer is a low-smoke halogen-free flame-retardant polyolefin insulating material; and the second braided layer is a tinned copper wire.

8. The environmentally friendly optoelectronic composite signal cable according to claim 1, characterized in that: The wrapped layer is flame retardant glass ribbon.

9. The environmentally friendly optoelectronic composite signal cable according to claim 1, characterized in that: The inner sheath is made of low-smoke halogen-free flame-retardant polyolefin sheath material; the metal armor layer is a steel belt, and the outer sheath is made of low-smoke halogen-free flame-retardant polyolefin sheath material.

10. The environmentally friendly optoelectronic composite signal cable according to claim 1, characterized in that: A signal transmitting unit is provided on each of the first conductor and the second conductor. A plurality of signal transmitting units are provided and are evenly arranged on the first conductor and the second conductor. The signal transmitting unit is electrically connected to the first conductor and the second conductor. The signal transmitting unit is installed on the first insulating layer and the second insulating layer. The signal transmitting unit is used to obtain the power supply, voltage and current on the first conductor and the second conductor. The signal transmitting unit converts the detected values ​​into wireless signals for viewing by devices outside the cable.

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