CN216487438U

CN216487438U - Marine low-refraction signal cable

Info

Publication number: CN216487438U
Application number: CN202123237885.1U
Authority: CN
Inventors: 朱玉方; 黄小莉
Original assignee: Yangzhou Hualong Petroleum Equipment Cable Manufacturing Co ltd
Current assignee: Yangzhou Hualong Petroleum Equipment Cable Manufacturing Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-10
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a marine low-refraction signal cable belongs to cable technical field, has solved the problem that protective properties is weak, the refracting index is high, the signal transmission effect is poor among the prior art, including cable core, cladding in the TPU inner sheath and the TPU outer jacket of cable core periphery, the cable core is equipped with the composite coil who forms the cable core rather than compound transposition including the first signal coil who locates the outer lane in the first signal coil, and composite coil includes the power heart yearn, and power heart yearn middle part is equipped with strengthens the core, with strengthen the core as the centre of a circle, its periphery is equipped with second signal circle and third signal circle in proper order. The utility model discloses a higher TPU outer jacket of hardness and elasticity makes the cable have good crushing resistance and pliability, and the compressibility that the sheath passes through the elastomer in inside TPU absorbs external pressure, forms the protection to inside cable core, and composite coil and first signal circle become periodic form evenly distributed, make the cable keep in low refracting index within range, through setting up multiunit signal line, realize the effective transmission of signal.

Description

Marine low-refraction signal cable

Technical Field

The utility model belongs to the technical field of the cable, specifically speaking especially relates to a marine low refraction signal cable.

Background

Cables are generally rope-like cables made by stranding several wires or groups of wires, each group of wires being insulated from one another and often twisted around a center, covered with a highly insulating covering throughout, and erected in the air or installed underground, underwater for telecommunication or power transmission. The strength requirement and the flexibility requirement of the cable are high, particularly in a complex sea area environment, the cable is required to have high strength and flexibility, and meanwhile, stable transmission of signals is guaranteed, while a common cable cannot meet the requirements at all and is influenced by the sea area environment, the cable is easily damaged after being impacted, and stable transmission of the signals cannot be guaranteed.

Disclosure of Invention

The utility model aims at providing a marine low refraction signal cable that protective properties is strong, the refracting index is low, signal transmission effect is good to the not enough of prior art existence.

In order to realize the technical purpose, the utility model discloses marine low refraction signal cable adopts's technical scheme does:

the utility model provides a marine low refraction signal cable, includes the cable core, the cladding in the TPU inner sheath of cable core periphery and locate the TPU outer sheath of TPU inner sheath periphery, it has the weaving layer to fill between TPU inner sheath and the TPU outer sheath, the cable core is including the first signal coil who locates the outer lane, be equipped with in the first signal coil rather than compound the compound coil of twisting formation cable core again, compound coil is including the power heart yearn of locating inner circle diameter both ends, power heart yearn middle part is equipped with strengthens the core, with strengthen the core and be the centre of a circle, its periphery is equipped with in proper order and is inside and outside circle form second signal circle and the third signal circle that distributes, and second signal circle and third signal circle and power heart yearn and strengthen the core and twist into compound coil in turn.

Preferably, the outer diameter of the composite coil reaches 11mm, and the twisting direction is the left direction.

Preferably, the outer diameter of the first signal ring reaches 15mm, and the twisting direction is the right direction.

Preferably, the first signal ring, the second signal ring and the third signal ring are formed by uniformly distributing a plurality of groups of signal line pairs along the circumferential direction, each signal line pair comprises two tightly twisted signal lines, and the peripheries of the two signal lines are coated with water-blocking ointment.

Preferably, the number of the power supply core wires is two, and the power supply core wires comprise tinned copper stranded wires and insulating layers coated on the peripheries of the tinned copper stranded wires.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model adopts the TPU outer protective layer with higher hardness and elasticity, so that the cable has good pressure resistance and flexibility, the inner TPU protective layer absorbs external pressure through the compressibility of the elastomer to form protection for the inner cable core, and the cable core is prevented from deforming; the composite coil and the first signal coil are uniformly distributed in a periodic manner, so that the cable is kept in a low refractive index range; through setting up multiunit signal line, realize the effective transmission of signal.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of a signal line pair in the present invention;

fig. 3 is a schematic structural diagram of the middle power core wire of the present invention.

In the figure: 1, a TPU inner protective layer; 2, TPU outer protective layer; 3. weaving layer; 4. a first signal loop; 5. a power supply core wire; 6. a reinforcing core; 7. a second signal loop; 8. a third signal loop; 9. a signal line; 10. a water-blocking ointment; 11. tinning a copper stranded wire; 12. an insulating layer.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

as shown in fig. 1-3, a marine low-refraction signal cable comprises a cable core, a TPU inner protective layer 1 covering the outer periphery of the cable core, and a TPU outer protective layer 2 covering the outer periphery of the TPU inner protective layer 1, wherein a braided layer 3 is filled between the TPU inner protective layer 1 and the TPU outer protective layer 2, the cable core comprises a first signal coil 4 arranged on an outer ring, the outer diameter of the first signal coil reaches 15mm, the twisting direction is the right direction, a composite coil which is twisted with the first signal coil 4 to form the cable core is arranged in the first signal coil, the outer diameter of the composite coil reaches 11mm, the twisting direction is the left direction, the composite coil comprises power core wires 5 arranged at two ends of the inner ring diameter, the number of the power core wires 5 is two, the power core wires comprise tin-plated copper stranded wires 11 and an insulating layer 12 covering the outer periphery of the tin-plated copper stranded wires, a reinforcing core 6 is arranged in the middle of the power core wire 5, and a second signal ring 7 and a third signal ring 8 which are distributed in an inner and outer circle shape are sequentially arranged with the reinforcing core 6 as the center of the reinforcing core, the second signal coil 7 and the third signal coil 8 are twisted with the power core wire 5 and the reinforcing core 6 alternately to form a composite coil. Wherein the insulating layer 12 is PP.

The first signal circle 4, the second signal circle 7 and the third signal circle 8 are formed by a plurality of groups of signal line pairs evenly distributed along the circumferential direction, the signal line pairs comprise two tightly twisted signal lines 9, and the peripheries of the two signal lines 9 are coated with water-blocking ointment 10. The signal line 9 is also made of a tin-plated copper stranded wire stranded insulating layer.

The utility model discloses extrude TPU inner sheath 1 in weaving layer 3 inboard, extrude TPU outer sheath 2 in the outside, utilize the elastomer property of TPU outer sheath 2, have stronger resilience force when making the cable receive external force extrusion, make the cable pliability improve, avoid the cable to receive the damage, weaving layer 3 adopts the copper wire to make, make inside and outside TPU sheath support each other, TPU inner sheath 1 has stronger compliance, absorb pressure when fully wrapping up the cable core, make cable non-deformable, the TPU material simultaneously, weight reduction when guaranteeing the cable performance, reduce construction strength; the first signal ring 4, the second signal ring 7 and the third signal ring 8 in the composite coil are all distributed uniformly in a periodic shape, so that the cable is kept at a low refractive index.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A marine low-refraction signal cable is characterized in that: the cable comprises a cable core, a TPU inner protection layer coated on the periphery of the cable core and a TPU outer protection layer arranged on the periphery of the TPU inner protection layer, wherein a woven layer is filled between the TPU inner protection layer and the TPU outer protection layer, the cable core comprises a first signal ring arranged on an outer ring, a composite coil which is twisted with the first signal ring to form the cable core is arranged in the first signal ring, the composite coil comprises power core wires arranged at two ends of the diameter of the inner ring, a reinforcing core is arranged in the middle of the power core wire, the reinforcing core is used as the circle center, a second signal ring and a third signal ring which are distributed in an inner and outer circle shape are sequentially arranged on the outer periphery of the reinforcing core wire, and the second signal ring and the third signal ring are alternately twisted with the power core wires and the reinforcing core to form the composite coil.

2. The marine low-refraction signal cable of claim 1, wherein: the outer diameter of the composite coil reaches 11mm, and the twisting direction is the left direction.

3. The marine low-refraction signal cable of claim 1, wherein: the outer diameter of the first signal ring reaches 15mm, and the twisting direction is the right direction.

4. The marine low-refraction signal cable of claim 1, wherein: the first signal circle, the second signal circle and the third signal circle are formed by a plurality of groups of signal line pairs which are evenly distributed along the circumferential direction, each signal line pair comprises two tightly twisted signal lines, and the peripheries of the two signal lines are coated with water-blocking ointment.

5. The marine low-refraction signal cable of claim 1, wherein: the power core wires are two in number and comprise tinned copper stranded wires and insulating layers coated on the peripheries of the tinned copper stranded wires.