CN223273038U - Waterproof flexible composite cable - Google Patents

Abstract

The utility model discloses a waterproof flexible composite cable, comprising a plurality of cable cores and an outer sheath surrounding the cable cores. The cable has a transverse strip-shaped cross-section. The cable cores include a first cable core, a second cable core, and a third cable core. The first cable core serves as a power line, the second cable core serves as a signal line, and the third cable core serves as a network line. The utility model has a reasonable structural design and has the following beneficial effects: the utility model integrates power transmission, optical fiber communication, and signal transmission functions into one, while also having excellent waterproof performance and flexibility, being able to adapt to various complex environmental conditions, improving the overall performance and reliability of the system, and reducing construction and maintenance costs.

Description

Waterproof flexible composite cable

Technical Field

The utility model relates to the technical field of cables, in particular to a waterproof flexible composite cable.

Background

With the continuous development of modern technology, people's life has higher and higher requirements on infrastructure such as power, communication, etc. In many application scenarios, such as outdoor, humid environments, even underwater, etc., the situation that the conventional power cable, optical fiber network cable and signal line are independently laid has many drawbacks.

On one hand, the occupied space is large when the construction is carried out respectively, and the construction difficulty and the cost are increased. On the other hand, in some situations where space requirements are stringent or efficient integration is required, it is difficult for individual cables to meet the requirements. Meanwhile, under severe environments, if moisture invasion and other conditions are met, the reliability and stability of the traditional cable can be greatly affected, and the problems of power transmission interruption, communication faults and the like can be caused.

Disclosure of utility model

The utility model aims to provide a waterproof flexible composite cable, which solves the problem that an independent cable in the prior art is difficult to meet the requirement of high-efficiency integration.

In order to achieve the above purpose, the technical scheme of the utility model provides a waterproof flexible composite cable, which comprises a plurality of cable cores and an outer sheath wrapping the cable cores, wherein the cable cores are arranged in a cable side by side, the cross section of the cable is in a transverse strip shape, the cable cores comprise a first cable core, a second cable core and a third cable core, the first cable core is a power supply wire, the first cable core comprises a plurality of first wire cores and a first sheath wrapping the first wire cores, the second cable core is a signal wire, the second cable core comprises a plurality of second wire cores and a second sheath wrapping the second wire cores, the third cable core is a network wire, and the third cable core comprises a plurality of third wire cores and a third sheath wrapping the third wire cores.

The cable further comprises an optical fiber and a tensile steel wire, wherein the tensile steel wires are respectively arranged at the left end and the right end of the cable, the cable structure sequentially comprises the tensile steel wire, a first cable core, the optical fiber, a second cable core, a third cable core and the tensile steel wire from left to right, and the outer sheath is a TPU sheath.

The cable comprises a first cable core, a second cable core, a third cable core, a fourth cable core, a fifth cable core, a sixth cable core, a seventh cable core, a eighth cable core, a seventh cable core and a sixth cable core, wherein the number of the first cable cores is 3,3 first cable cores are symmetrically arranged in a pasting mode, the first cable core is further provided with a power cable ground wire conductor and a first filler, the power cable ground wire conductor is arranged at the center of 3 first cable cores, the first filler is arranged in a first sheath, gaps between the first cable cores and the first cable cores are reserved in the first sheath, the structure of the first cable core sequentially comprises a power cable main wire conductor, a fire-resistant layer and a first insulating layer from inside to outside, and the structure of the first sheath sequentially comprises a double-sided insulating water-blocking belt, a first shielding layer and a first protective layer from inside to outside.

The power line main conductor is a class 6 stranded soft copper conductor and is formed by stranded copper wires, the power line main conductor further comprises aramid fibers, the aramid fibers are added and stranded together to form a conductor when the conductor is stranded, and the fire-resistant layer is a double-sided synthetic mica tape.

The first insulating layer is a rubber insulating layer, the power cable ground wire conductor is a 6 th stranded soft copper conductor and is formed by stranded copper wires, the first filler is a thermoplastic elastomer, the first shielding layer is a metal shielding layer and is formed by tinned copper wires in a braiding mode, the braiding density is more than or equal to 85%, and the first protective layer is an ethylene propylene rubber layer.

The second cable core is further provided with second fillers, the second fillers are arranged in a second sheath, gaps between the second cable core and the second cable core are reserved in the second cable core, the structure of the second cable core is sequentially provided with a signal wire conductor, a double-sided synthetic mica tape and a second insulating layer from inside to outside, and the structure of the second sheath is sequentially provided with a single-sided insulating water blocking tape, a second shielding layer and a second protective layer from inside to outside.

The signal line conductor is a class 6 stranded soft copper conductor and is formed by stranding a plurality of copper wires, the second insulating layer is a polyethylene insulating layer, the second filler is a water blocking rope, the second shielding layer is an aluminum-plastic composite belt, and the second protective layer is a 105 ℃ low-smoke halogen-free flame-retardant silane crosslinked polyolefin sheath.

The third cable core is further provided with a cross core, the cross core is arranged in a third sheath and divides the third sheath into 4 areas with the same size, the number of the third cable cores is 4, each third cable core is respectively arranged in the area divided by the cross core and the third sheath, gaps between the third cable cores and the third cable cores are reserved, the third cable cores are sequentially provided with a network cable conductor and a split-phase shielding layer from inside to outside, and the third sheath is provided with a third protection layer.

Further, 2 network line conductors are arranged in the third wire core side by side, a third insulating layer is further arranged on the third wire core, and the third insulating layer is wrapped on the outer layer of the network line conductors.

The network line conductor is a 1 st solid copper conductor, the third insulating layer is a layer of thermoplastic elastomer, the split-phase shielding layer is a layer of longitudinally-wrapped aluminum-plastic composite belt, the cross core is a PE cross core, and the third protective layer is a layer of 90 ℃ low-smoke halogen-free thermoplastic flame-retardant polyolefin sheath.

In summary, the device has reasonable structural design, and the technical scheme has the beneficial effects that the device comprises a plurality of cable cores and an outer sheath wrapping the cable cores, wherein the cable cores comprise a first cable core, a second cable core and a third cable core, the first cable core is a power line, the second cable core is a signal line, and the third cable core is a network line. The utility model integrates the functions of power transmission, optical fiber communication and signal transmission, has good waterproof performance and flexibility, can adapt to various complex environmental conditions, improves the overall performance and reliability of the system, and reduces the construction and maintenance cost.

Drawings

FIG. 1 is a schematic cross-sectional view of a waterproof flexible composite cable of the present utility model;

The reference numerals indicate 1-power line main conductor, 2-aramid fiber, 3-fire retardant layer, 4-first insulating layer, 5-power cable ground conductor, 6-first filler, 7-double-sided insulation water blocking tape, 8-first shielding layer, 9-first protective layer, 10-optical fiber, 11-tensile steel wire, 12-outer sheath, 201-signal line conductor, 202-double-sided synthetic mica tape, 203-second insulating layer, 204-second filler, 205-single-sided insulation water blocking tape, 206-second shielding layer, 207-second protective layer, 301-network line conductor, 302-third insulating layer, 303-split phase shielding layer, 304-cross core and 305-third protective layer.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, but the scope of protection of the present utility model is not limited.

In the present utility model, for the sake of more clear description, it is explained that the observer looks at fig. 1, the observer's left front side is set to front, the observer's right rear side is set to rear, the observer's left rear side is set to left, the observer's right front side is set to right, the observer's upper side is set to top, the observer's lower side is set to bottom, it should be noted that the terms "front", "rear", "left", "right", "middle", "upper", "lower" etc. indicate the orientation or positional relationship in this text are based on the orientation or positional relationship set in the drawings, only for the convenience of clearly describing the present utility model, but do not indicate or imply that the structure or component to be referred to must have a specific orientation, be constructed in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth" and the like are used for clarity or to simplify the description, and are not to be construed as indicating or implying a relative importance or quantity.

Referring to fig. 1, the utility model provides a waterproof flexible composite cable, which comprises a plurality of cable cores and an outer sheath 12 wrapping the cable cores, wherein the cable cores are arranged in a cable side by side, the cross section of the cable is in a transverse strip shape, the cable cores comprise a first cable core, a second cable core and a third cable core, the first cable core is a power supply wire, the first cable core comprises a plurality of first wire cores and a first sheath wrapping the first wire cores, the second cable core is a signal wire, the second cable core comprises a plurality of second wire cores and a second sheath wrapping the second wire cores, the third cable core is a network cable, and the third cable core comprises a plurality of third wire cores and a third sheath wrapping the third wire cores.

In order to meet the requirements of modern engineering on high efficiency, reliability and integration, the cable integrates the functions of power transmission, optical fiber communication and signal transmission, has good waterproof performance and flexibility, can adapt to various complex environmental conditions, improves the overall performance and reliability of the system, and reduces the construction and maintenance cost.

As a preferred embodiment of the utility model, the cable further comprises an optical fiber 10 and a tensile steel wire 11, wherein the tensile steel wires 11 are respectively arranged at the left end and the right end of the cable, the tensile steel wire 11, the first cable core, the optical fiber 10, the second cable core, the third cable core and the tensile steel wire 11 are sequentially arranged from left to right in the cable structure, and the outer jacket 12 is a TPU jacket.

The optical fiber 10 realizes high-capacity and high-speed data transmission, and has the characteristics of no electromagnetic interference, stable signal, small loss and capability of long-distance signal transmission.

The tensile steel wire 11 is formed by twisting a plurality of thin steel wires. The tensile strength of the cable is enhanced by adding 1 strand of tensile steel wires 11 at two ends of the cable, the mechanical strength is improved, the cable is prevented from being broken, and the service life is prolonged.

The outer sheath 12 is made of a TPU sheath material by extrusion, has higher tensile strength and tear resistance, can effectively protect an internal cable structure, and prevents damage caused by external force pulling, friction, puncture and the like in the installation and use processes. Meanwhile, the anti-abrasion coating has the characteristics of good abrasion resistance, strong weather resistance, good chemical corrosion resistance and the like.

The cable comprises a cable core, a first wire core, a second wire core, a first filler 6, a second wire core, a third wire core, a fourth wire core, a fifth wire core, a sixth wire core, a seventh wire core and a fourth wire core, wherein the number of the first wire cores is 3,3 first wire cores are symmetrically arranged in a pasting mode, the first cable core is further provided with a power cable ground wire conductor 5 and the first filler 6, the power cable ground wire conductor 5 is arranged at the center of the 3 first wire cores, the first filler 6 is arranged in a first sheath, the first wire core and the first wire core are arranged in a gap, the structure of the first wire core sequentially comprises a power cable main wire conductor 1, a fire-resistant layer 3 and a first insulating layer 4 from inside to outside, and the structure of the first sheath sequentially comprises a double-sided insulating water-blocking tape 7, a first shielding layer 8 and a first protective layer 9 from inside to outside.

The power line main line conductor 1 is a 6 th class stranded soft copper conductor and is formed by stranded copper wires, the power line main line conductor 1 further comprises aramid fibers 2, the aramid fibers are added and stranded together to form a conductor when the conductor is stranded, and the fire-resistant layer 3 is a double-sided synthetic mica tape. The first insulating layer 4 is a rubber insulating layer, the power cable ground wire conductor 5 is a 6 th class stranded soft copper conductor and is formed by stranding a plurality of strands of copper wires, the first filler 6 is a thermoplastic elastomer, the first shielding layer 8 is a metal shielding layer and is formed by braiding and shielding tinned copper wires, the braiding density is more than or equal to 85%, and the first protective layer 9 is an ethylene propylene rubber layer.

The power line main line conductor 1 is formed by twisting 6 kinds of twisted soft copper conductors and is formed by twisting a plurality of strands of copper wires, and has good bending characteristics. The adoption of the multi-strand thin copper wires for the same-direction bundle twisting and the multi-strand thin copper wires for the same-direction bundle twisting greatly improves the flexibility of the cable, has good flexibility and bending resistance, can not cause the phenomenon of broken cores even if the cable is subjected to frequent long-time bending, and meanwhile, the aramid fiber 2 is added for the bundle twisting, so that the toughness of the cable is further enhanced, and the tensile breaking capacity is remarkably increased.

The aramid fiber 2 has extremely high strength and excellent flexibility, and the bending resistance of the conductor can be remarkably improved when the aramid fiber is added into conductor stranding. It also has the characteristics of high temperature resistance, corrosion resistance and the like, and can keep good performance in severe environments.

The refractory layer 3 is formed by overlapping and wrapping double-sided synthetic mica tapes, and the double-sided synthetic mica tapes have extremely high refractory temperature and can maintain structural integrity for a long time in a high-temperature environment. Reliable protection is provided for the cable even in the event of a fire, ensuring uninterrupted transmission of power and signals. There is no concern that a fire will quickly destroy the cable, affecting the operation of critical equipment. Meanwhile, the composite material has the characteristics of good insulating property, high mechanical strength, good moisture resistance, environmental protection, no toxicity and the like.

The first insulating layer 4 is insulated with an extruded rubber having excellent elasticity and flexibility so that the cable can be easily bent, twisted and stretched without damaging the insulating layer. This is important for cables that need to be installed in small spaces or in complex layouts. The cable can be arranged more flexibly, and the cable is suitable for different installation environments. The good flexibility can also reduce the damage risk of the cable caused by mechanical stress in the use process, and prolong the service life of the cable. Meanwhile, the composite material also has the characteristics of excellent electrical insulation performance, corrosion resistance, good waterproof performance, wear resistance and the like.

The power cable ground wire conductor 5 is formed by twisting 6-class twisted soft copper conductors and is formed by twisting a plurality of strands of copper wires, and has good bending characteristics. Simultaneously, a stranded soft copper conductor is directly placed in the middle of the three power insulators. The traditional 3+1 structure is abandoned, and the novel design can simplify the production process of the cable. The manufacturing and assembling processes of an independent conductor are reduced, and the production cost and the production period are reduced. The quality control in the production process is easier, and the consistency and reliability of the product are improved.

The first filler 6 is a thermoplastic elastomer, and a layer of thermoplastic elastomer (TPE) is extruded in an extrusion mode during waterproof production, so that TPE materials can be embedded into gaps between insulated wire cores in the extrusion mode, the cable roundness is improved, and the insulation performance of the cable is improved. Meanwhile, the thermoplastic elastomer (TPE) has excellent flexibility and elasticity, and can adapt to deformation of cables under different temperatures and environments. The waterproof cable can be tightly attached to the surface of the cable, and a better waterproof effect is provided. At the same time has excellent low temperature resistance environmental protection, no toxicity and the like.

The double-sided insulating water-blocking tape 7 adopts overlapping wrapping, and the double-sided insulating water-blocking tape 7 can effectively prevent moisture from penetrating longitudinally and transversely along the cable. In a humid environment or under water, etc., there is no fear that moisture intrudes into the inside of the cable, damaging the conductor and the insulating layer. The waterproof cable can form a reliable waterproof barrier and ensure the normal operation of the cable.

The first shielding layer 8 is formed by braiding tin-plated copper wires, the braiding density is more than or equal to 85%, and the shielding layer formed by braiding the tin-plated soft copper wires can effectively shield external electromagnetic interference. In many environments of modern electronic devices, electromagnetic interference may affect the transmission quality of signals in cables and even cause device failure. The tin-plated soft copper wire shielding layer can block the invasion of an external electromagnetic field and protect signals in the cable from being interfered. Meanwhile, the shielding layer can also prevent electromagnetic fields inside the cable from radiating outwards, and interference to surrounding equipment is reduced.

The first protective layer 9 is made of an ethylene propylene rubber material by extrusion, has good ageing resistance and can resist the corrosion of ultraviolet rays, ozone, heat, chemical substances and other factors. In the long-term use process, the sheath is not easy to crack, harden, embrittle and other aging phenomena, and good flexibility and mechanical strength are maintained.

Specifically, the number of the second wire cores is 2,2 third wire cores are symmetrically arranged in parallel, the second wire cores are further provided with second fillers 204, the second fillers 204 are arranged in a second sheath, gaps between the second wire cores and the second wire cores are formed by sequentially arranging a signal wire conductor 201, a double-sided synthetic mica tape 202 and a second insulating layer 203 from inside to outside, and the structure of the second sheath is sequentially provided with a single-sided insulating water blocking tape 205, a second shielding layer 206 and a second protective layer 207 from inside to outside.

Specifically, the signal line conductor 201 is a class 6 stranded soft copper conductor, is formed by stranding a plurality of copper wires, the second insulating layer 203 is a polyethylene insulating layer, the second filler 204 is a water-blocking rope, the second shielding layer 206 is an aluminum-plastic composite belt, and the second protective layer 207 is a 105 ℃ low-smoke halogen-free flame-retardant silane crosslinked polyolefin sheath.

The signal line conductor 201 is formed by twisting a plurality of strands of copper wires by adopting a class 6 twisted soft copper conductor, and has good bending characteristics.

The double-sided synthetic mica tape 202 is used for overlapping wrapping, and the double-sided synthetic mica tape 202 has extremely high fire resistance temperature and can maintain structural integrity for a long time in a high temperature environment. Reliable protection is provided for the cable even in the event of a fire, ensuring uninterrupted transmission of power and signals. There is no concern that a fire will quickly destroy the cable, affecting the operation of critical equipment.

The second insulating layer 203 is made of a layer of extruded Polyethylene (PE) which has extremely low water permeability and can effectively prevent the invasion of moisture. It can form a tight waterproof layer to protect the inside of the cable from the influence of the humid environment. There is no concern that moisture may penetrate into the interior of the cable, causing electrical failure or damage.

The second filler 204 is a water-blocking rope, and is filled with the water-blocking rope. The water-blocking rope has the characteristics of strong water absorption and high expansion rate, can absorb water strongly and expand rapidly, and forms gel-like substances to block water seepage channels, so that the insulation safety of the cable is ensured. In addition, the water-blocking rope is light in weight, clean, convenient to lay and joint and more environment-friendly.

The single-sided insulating water blocking tape 205 has the characteristics of high expansion pressure, high expansion speed, good gel stability, good thermal stability and the like, and prevents water and moisture from spreading longitudinally, thereby playing a role in blocking water.

The second shielding layer 206 adopts a layer of aluminum-plastic composite tape to overlap and wrap, so that the shielding performance can be enhanced, electromagnetic interference can be prevented, signal transmission can be protected, and meanwhile, a certain moisture-proof effect can be realized.

The second protective layer 207 is extruded with a layer of 105 ℃ low smoke zero halogen flame retardant silane crosslinked polyolefin sheath material, and has good wear resistance, environmental resistance, weather resistance, corrosion resistance, low temperature flexibility, tear resistance and the like.

Specifically, the third cable core is further provided with a cross core 304, the cross core 304 is arranged in the third sheath to divide the interior of the third sheath into 4 areas with the same size, the number of the third cable cores is 4, each third cable core is respectively arranged in the area divided by the cross core 304 and the third sheath, gaps between the third cable cores are reserved between the third cable cores, the third cable cores are sequentially provided with a network cable conductor 301 and a split-phase shielding layer 303 from inside to outside, and the third sheath is provided with a third protection layer 305.

Specifically, 2 network line conductors 301 are arranged in the third wire core side by side, a third insulating layer 302 is further arranged in the third wire core, and the third insulating layer 302 wraps the outer layer of the network line conductors 301. Specifically, the network wire conductor 301 is a1 st solid copper conductor, the third insulating layer 302 is a layer of thermoplastic elastomer, the split-phase shielding layer 303 is a layer of longitudinally-wrapped aluminum-plastic composite belt, the cross core 304 is a PE cross core 304, and the third protective layer 305 is a layer of 90 ℃ low-smoke halogen-free thermoplastic flame-retardant polyolefin sheath.

The network line conductor 301 adopts the 1 st solid copper conductor, has excellent conductivity, can efficiently transmit network signals, can ensure the stability and reliability of the signals in the transmission process, reduces the attenuation and distortion of the signals, obtains faster and stable network connection, and meets the requirement of high-speed data transmission.

The third insulating layer 302 is an extruded thermoplastic elastomer (TPE) having excellent flexibility and elasticity so that the network wire can be easily bent, twisted, and not easily damaged. In the wiring process, the trend of the line can be flexibly adjusted according to actual requirements, the line is suitable for various complex installation environments, and the TPE insulated network line can show good adaptability both in narrow corners and in occasions needing frequent movement.

The split-phase shielding layer 303 adopts a layer of aluminum-plastic composite tape longitudinally wrapped, so that external electromagnetic interference can be effectively shielded. In many environments of modern electronic devices, various electromagnetic signals may interfere with signal transmissions in a network line. After the aluminum-plastic composite belt is longitudinally wrapped, the invasion of an external electromagnetic field can be blocked, the purity and stability of network signals are ensured, the arrangement can enable the cable to obtain clearer and more stable network connection, and data transmission errors and packet loss phenomena are reduced.

The cross core 304 is formed by processing a PE material into the cross core 304. The addition of a cross-core 304 during cabling provides stable internal structural support for the network cable. There is no concern about the network wires being easily deformed or distorted during production, transportation and installation. The network cable can keep the shape of the network cable, ensures the relative fixing of the position of the internal conductor, and is favorable for stable transmission of signals.

The third protective layer 305 is a layer of 90 ℃ low smoke zero halogen thermoplastic flame retardant polyolefin sheath material which generates less smoke during combustion and does not contain toxic and harmful gases such as halogen. The smoke-free fire disaster relief device can greatly reduce the harm of smoke to personnel when emergency situations such as fire disaster occur, provides better environment for escape and rescue of people, and does not need to worry about the fact that dense smoke generated by the fire disaster can obstruct the line of sight or cause serious injury to human bodies.

In summary, the beneficial effects of the utility model are as follows:

1. high integration level of functions

The composite cable integrates the functions of power transmission, optical fiber communication and signal wires, and reduces the complexity and space occupation of wiring. The cables with different functions do not need to be paved respectively, so that the construction process is greatly simplified, and the installation efficiency is improved.

For places with limited space, such as narrow pipelines, underground passages and the like, the integrated design is particularly important, so that the space can be effectively saved, and more installation space is provided for other equipment and facilities.

2. Excellent waterproof performance

Has good waterproof performance and can stably run in severe environments such as damp, underwater and the like. Whether the cable is soaked by rainwater, permeated by underground water or accidentally soaked by water, the cable can be effectively prevented from being invaded by water, and the power and communication lines are protected from being damaged.

The composite cable is suitable for various environments which are easy to contact with moisture, such as outdoor, underwater engineering, basements and the like, and the application range of the composite cable is enlarged.

3. Good flexibility

Good flexibility allows the cable to be easily bent and installed. In a complex wiring environment, bending and laying can be performed according to actual needs without damaging the structure and functions inside the cable.

The flexible characteristic also facilitates the transportation and storage of the cable and reduces the risk of damage caused by excessive rigidity.

4. High reliability

The composite cable has higher reliability due to the advanced manufacturing process and materials. The device can maintain stable performance in a long-term use process and reduce the probability of fault occurrence.

For critical power and communication systems, high reliability is critical, ensuring continuous operation of the system, reducing maintenance costs and downtime.

5. Low maintenance cost

The integrated design and high reliability reduces maintenance effort and costs. The power cable, the optical fiber network cable and the signal wire are not required to be maintained respectively, and only the composite cable is required to be inspected and maintained uniformly. When faults occur, the problems are easier to locate and repair, the maintenance time is shortened, and the usability of the system is improved.

6. According to the composite cable, the stranded soft copper conductor is directly placed in the middle of three electric insulations, the traditional 3+1 structure is abandoned, the space utilization is optimized, and in the traditional 3+1 structure, the fourth conductor exists independently and occupies a certain space. The new structure places one stranded soft copper conductor in the middle of three electric insulations, so that the space is more compactly utilized. This is advantageous for space-limited wiring environments, where more cables can be accommodated within the same space, or where more space is left for other equipment and facilities. The cable is made to be more compact and light through the optimized structure, and the installation and the transportation are convenient. The flexibility of the cable is improved, namely the stranded soft copper conductor has good flexibility, and the stranded soft copper conductor is placed in the middle of three electric insulations, so that the whole cable is softer. In the occasion that frequent bending or movement is required, the structure can reduce the stress concentration of the cable and reduce the risk of damage. The cable can be bent and laid more easily, and the construction efficiency is improved. The good flexibility also helps to extend the useful life of the cable and reduce failures due to bending fatigue. The novel structure can lead the electric field distribution of the cable to be more uniform and reduce the phenomenon of local electric field concentration. This helps to improve the electrical insulation properties of the cable, reducing the risk of breakdown. The close contact between the stranded soft copper conductor and the three power insulators can reduce the influence of inductance and capacitance, and improve the transmission efficiency and the signal quality of the cable. The production process is simplified, the traditional 3+1 structure is abandoned, and the production process of the cable can be simplified by adopting a new design. The manufacturing and assembling processes of an independent conductor are reduced, and the production cost and the production period are reduced. The quality control in the production process is easier, and the consistency and reliability of the product are improved.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (10)

1. The waterproof flexible composite cable comprises a plurality of cable cores and an outer sheath wrapping the cable cores, and is characterized in that the cable cores are arranged in the cable side by side, and the cross section of the cable is in a transverse strip shape;

the cable core comprises a first cable core, a second cable core and a third cable core;

The first cable core is a power line and comprises a plurality of first wire cores and a first sheath wrapping the first wire cores;

The second cable core is a signal wire and comprises a plurality of second wire cores and a second sheath wrapping the second wire cores;

The third cable core is a network cable, and comprises a plurality of third cable cores and a third sheath wrapping the third cable cores.

2. The waterproof flexible composite cable of claim 1, further comprising an optical fiber and a tensile steel wire, wherein the tensile steel wires are respectively arranged at the left end and the right end of the cable, the cable structure comprises the tensile steel wires, a first cable core, the optical fiber, a second cable core, a third cable core and the tensile steel wires in sequence from left to right, and the outer sheath is a TPU sheath.

3. The waterproof flexible composite cable is characterized in that the first cable cores are symmetrically arranged in a number of 3,3 and are provided with power cable ground wire conductors and first fillers, the power cable ground wire conductors are arranged at the centers of the 3 first cable cores, the first fillers are arranged in a first sheath, the first fillers are arranged in gaps between the first cable cores and the first cable cores, the structure of the first cable cores is sequentially provided with a power line main wire conductor, a fire-resistant layer and a first insulating layer from inside to outside, and the structure of the first sheath is sequentially provided with a double-sided insulating water-blocking tape, a first shielding layer and a first protective layer from inside to outside.

4. The waterproof flexible composite cable according to claim 3, wherein the power line main conductor is a 6 th class stranded soft copper conductor formed by stranded copper wires, the power line main conductor further comprises aramid fibers, the aramid fibers are added and stranded together to form a conductor when the conductor is stranded, and the fire-resistant layer is a double-sided synthetic mica tape.

5. The waterproof flexible composite cable according to any one of claims 3 to 4, wherein the first insulating layer is a rubber insulating layer, the power cable ground wire conductor is a 6 th class stranded soft copper conductor formed by stranding a plurality of strands of copper wires, the first filler is a thermoplastic elastomer, the first shielding layer is a metal shielding layer and is formed by braiding and shielding tin-plated copper wires, the braiding density is more than or equal to 85%, and the first protective layer is an ethylene propylene rubber layer.

6. The waterproof flexible composite cable is characterized in that the number of the second wire cores is 2,2 third wire cores are symmetrically arranged in parallel, the second cable cores are further provided with second fillers, the second fillers are arranged in a second sheath, gaps between the second wire cores and the second wire cores are formed by sequentially arranging signal wire conductors, double-sided synthetic mica tapes and second insulating layers from inside to outside, and the second sheath is formed by sequentially arranging single-sided insulating water-blocking tapes, second shielding layers and second protective layers from inside to outside.

7. The waterproof flexible composite cable of claim 6, wherein the signal wire conductor is a class 6 stranded soft copper conductor and is formed by stranding a plurality of copper wires, the second insulating layer is a polyethylene insulating layer, the second filler is a water-blocking rope, the second shielding layer is an aluminum-plastic composite belt, and the second protective layer is a 105 ℃ low-smoke halogen-free flame-retardant silane crosslinked polyolefin sheath.

8. The waterproof flexible composite cable according to claim 1 or 2 is characterized in that the third cable core is further provided with a cross core, the cross core is arranged in a third sheath and divides the inside of the third sheath into 4 areas with the same size, the number of the third wire cores is 4, each third wire core is respectively arranged in the area divided by the cross core and the third sheath, gaps between the third wire cores and the third wire cores are reserved, the structure of the third wire core is a network wire conductor and a split-phase shielding layer from inside to outside, and the structure of the third sheath is a third protection layer.

9. The waterproof flexible composite cable of claim 8, wherein 2 network wire conductors are arranged in the third wire core side by side, and a third insulating layer is further arranged on the third wire core and wraps the outer layer of the network wire conductors.

10. The waterproof flexible composite cable of claim 9, wherein the network wire conductor is a 1 st solid copper conductor, the third insulating layer is a layer of thermoplastic elastomer, the split-phase shielding layer is a layer of longitudinally-wrapped aluminum-plastic composite tape, the cross core is a PE cross core, and the third protective layer is a layer of 90 ℃ low-smoke halogen-free thermoplastic flame-retardant polyolefin sheath.