CN211719334U - Digital communication cable for deep water underwater vehicle - Google Patents
Digital communication cable for deep water underwater vehicle Download PDFInfo
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- CN211719334U CN211719334U CN202020580995.4U CN202020580995U CN211719334U CN 211719334 U CN211719334 U CN 211719334U CN 202020580995 U CN202020580995 U CN 202020580995U CN 211719334 U CN211719334 U CN 211719334U
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Abstract
The utility model relates to a digital communication cable technical field especially relates to a digital communication cable for deep water underwater vehicle, including signal line pair and wrap up in proper order from inside to outside in the water blocking layer, inner sheath, float layer, the outer jacket of signal line pair, be equipped with water blocking layer, inner sheath, float layer between signal line pair and the outer jacket, the water blocking layer includes radial distribution's water blocking yarn and the water blocking tape of longitudinal distribution; the inner protection layer is wrapped on the surface of the water blocking layer, the floating layer is wrapped on the surface of the inner protection layer in an extruding mode, and the outer protection layer is wrapped on the floating layer in an extruding mode. The utility model discloses a three-layer blocks water the result design, facilitates the use, and comprehensive effectual play the effect of blocking water has reduced the weight of cable through using a novel floating sheath material, has effectively improved showy power, and has characteristics such as higher flexibility, resistant bending, tensile, wear-resisting, resistant oil, ageing resistance, waterproof, anticorrosion in the performance.
Description
Technical Field
The utility model relates to a digital communication cable technical field, in particular to digital communication cable for deep water underwater vehicle.
Background
Along with scientific and technological development, people are constantly exploring the ocean, along with many electronic equipment wide application in the ocean field, the underwater cable is used to the indispensable needs, and current cable variety is various, and many ordinary cables do not have fine waterproof, anticorrosive effect to lead to equipment life short, can't more deep exploration sea, and the cable that is poor in seawater impact resistance to tension, bending resistance, the setting fracture easily damages, buckles in the face of. The normal work of underwater equipment is seriously influenced by the poor anti-pressure capability in deep water, the deep water environment is severe and dangerous, the diving depth of people is limited, an underwater robot becomes an important tool for developing ocean deep water, and the underwater searching operation is carried out in a water area with the depth of hundreds of meters or even kilometers. The operation needs to use a signal controlled cable besides the necessary underwater robot, the requirements on the cable used in the environment are very strict, and the common cable has the following disadvantages: on one hand, the number of insulating layers of the cable is increased to ensure the insulation of the cable due to the operation on water, so that the cable becomes very heavy; on the other hand, most of cables for engineering equipment cannot float in water, so that the more the cable falls to the water in the process that the underwater robot moves forwards, the more the burden of the underwater robot is increased, and the two ends of the cable are easy to fall off; moreover, the visibility of the cable is greatly reduced due to the fact that the cable is submerged in water, the cable is easily damaged by sundries and the like in the water when the cable is dragged, and the damage condition cannot be observed in time. Therefore, a cable which can float on water, has good flexibility, ideal mechanical strength and good water resistance is urgently needed for underwater operation, and the floating cable for the deepwater underwater navigation robot is designed according to the requirements and the use characteristics of the underwater operation.
Disclosure of Invention
The utility model aims at overcoming prior art's is not enough, provide a digital communication cable for deep water underwater vehicle, structural design is reasonable, facilitate the use, adopt the three-layer to block water the design as a result, effectively play the effect of blocking water comprehensively, reduced the weight of cable conductor through using a novel floating sheath material, effectively improved showy power, have higher flexibility, resistant bending, tensile, wear-resisting, ageing resistance, characteristics such as waterproof, anticorrosion in the performance, be applicable to the underwater vehicle equipment connection transmission signal in the deep water environment.
In order to achieve the above object, the utility model provides a deep water is digital communication cable for underwater vehicle, wrap up in signal line pair's water blocking layer, interior sheath, float layer, outer jacket, its characterized in that in proper order from inside to outside including signal line pair: the signal line pairs are arranged in multiple groups, each group of signal line pairs is adjacent to each other and forms a signal line pair twisted body, each group of signal line pairs is formed by twisting two or more insulated wire cores, an inner conductor and an insulating layer are sequentially arranged on the section of each insulated wire core, and the surfaces of the insulated wire cores are coated with shielding layers and filled in gaps among the insulated wire core twisted bodies; a water-blocking layer, an inner protection layer and a floating layer are arranged between the signal line pairs and the outer protection layer, the water-blocking layer is extruded in gaps and surfaces between the signal line pair twisted bodies, and the water-blocking layer comprises water-blocking yarns distributed in the radial direction and water-blocking tapes distributed in the longitudinal direction; the inner protection layer is wrapped on the surface of the water blocking layer, the floating layer is wrapped on the surface of the inner protection layer in an extruding mode, and the outer protection layer is wrapped on the floating layer in an extruding mode.
Furthermore, in order to protect the cable in all directions, the water blocking yarn is filled in the gap and the surface between the signal pair twisted bodies.
Furthermore, the water-blocking yarn is made of a fine fiber yarn material which can expand when meeting water. The waterproof yarn is utilized to rapidly expand to form a gel substance after absorbing water, so as to block a water seepage channel, reduce the damage of the cable caused by wetting by moisture or water and improve the safety of the cable under the deep water condition.
Furthermore, in order to further ensure the waterproof performance of the cable, the water-blocking tape is wrapped outside the signal wire pair twisted body filled with the water-blocking yarns in a 360-degree direction by using a non-conductive double-sided water-blocking material. The water-blocking tape can be gasified when meeting water and rapidly expanded to block water-seepage micropores and protect the internal structure from water.
Furthermore, in order to reduce the signal interference, the shielding layer is made of a black polyolefin semi-conductive shielding material.
Furthermore, in order to further meet the water blocking effect, the inner protection layer is made of black polyethylene materials and is wrapped on the surface of the water blocking tape in a 360-degree extruding mode. Is not easy to decompose when meeting water, and has good water-blocking effect.
Furthermore, in order to further increase the water resistance of the cable, the outer protective layer is extruded on the surface of the floating layer by adopting a low-density TPE material.
Further, in order to reduce the direct current resistance of the conductor, the inner conductor is made of oxygen-free copper conductor.
Furthermore, in order to meet the requirement of light cable structure, the floating layer is made of thermoplastic foamed elastomer (TPE) materials.
Furthermore, in order to meet the characteristic of small attenuation of high-frequency signal transmission, the insulating layer is made of polyolefin materials.
The utility model has the advantages that: a digital communication cable for a deepwater underwater vehicle is characterized in that a plurality of strands of oxygen-free copper conductors are used, an insulating material is physically foamed and insulated, the weight is light, the dielectric loss is small, and the signal transmission attenuation is small, so that the requirements of the service characteristics in deepwater are comprehensively improved, the cable meets the three-layer water-blocking requirement, the three-layer water-blocking effect is achieved through the radial water-blocking and longitudinal water-blocking structural design, the deep-water floating effect is achieved by adopting a thermoplastic elastomer TPE floating layer material, the floating force is effectively improved, the three-layer water-blocking effect design is adopted, the water-blocking effect is comprehensively and effectively achieved, and the cable has the characteristics of high flexibility, bending resistance, tensile resistance, wear resistance, oil resistance. The underwater vehicle is particularly suitable for connecting and transmitting signals of underwater vehicle equipment in a deep water environment, is mainly applied to mechanical equipment which operates in an underwater severe environment such as an underwater robot, underwater salvage equipment, underwater construction equipment, an underwater mechanical arm, an underwater hydraulic cutter and the like, and can be dragged and stretched out and drawn back along with the equipment in water.
Drawings
For ease of illustration, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of a digital communication cable for a deep water underwater vehicle according to the present invention;
fig. 2 is a schematic structural view of the water-blocking layer and the signal line pair twisted body of the digital communication cable for the deepwater underwater vehicle of the present invention.
FIG. 3 is a schematic diagram of the signal line pair structure of the digital communication cable for the deep water underwater vehicle of the present invention
In the figure: 1-signal line pair, 2-water-resistant layer, 3-inner protective layer, 4-floating layer, 5-outer protective layer, 6-insulating wire core, 61-inner conductor, 62-insulating layer, 7-shielding layer, 21-water-resistant yarn and 22-water-resistant tape.
Detailed Description
The digital communication cable for the deep water underwater vehicle of the present invention is further described with reference to the accompanying drawings:
the first embodiment is as follows:
the digital communication cable for the deepwater underwater vehicle comprises a signal wire pair 1, and a water blocking layer 2, an inner protection layer 3, a floating layer 4 and an outer protection layer 5 which are sequentially wrapped on the signal wire pair 1 from inside to outside, wherein the signal wire pair 1 is provided with a plurality of groups, the signal wire pairs 1 are adjacent to each other and form a signal wire pair 1 twisted body, each group of signal wire pairs 1 is formed by twisting two or more insulated wire cores 6, an inner conductor 61 and an insulating layer 62 are sequentially arranged on the section of each insulated wire core 6, and the surface of each insulated wire core 6 is wrapped with a shielding layer 7 and is filled in gaps among the twisted bodies of the insulated wire cores 6; a water-blocking layer 2, an inner protection layer 3 and a floating layer 4 are arranged between the signal line pair 1 and the outer protection layer 5, the water-blocking layer 2 is extruded and wrapped in the gap and the surface between the twisted bodies of the signal line pair 1, and the water-blocking layer 2 comprises water-blocking yarns 21 distributed in the radial direction and water-blocking tapes 22 distributed in the longitudinal direction; the inner protection layer 3 wraps the surface of the water-resistant layer 2, the floating layer 4 is extruded on the surface of the inner protection layer 3, and the outer protection layer 5 is extruded on the floating layer 4.
Further, in order to protect the cable in all directions, the water blocking yarn 21 is filled in the gap and the surface between the twisted bodies of the signal pair 1.
Furthermore, the water-blocking yarn 21 is made of a fine fiber yarn material which can expand when meeting water, and the water-blocking yarn can expand rapidly after absorbing water to form a gel substance, so that a water seepage channel is blocked, the damage of the cable caused by wetting by moisture or water is reduced, and the safety of the cable under a deep water condition is improved.
Further, in order to further ensure the waterproof performance of the cable, the water blocking tape 22 is wrapped outside the twisted signal pair 1 filled with the water blocking yarn 21 in a 360-degree direction by using a non-conductive double-sided water blocking material, and water is blocked, the water blocking tape 22 rapidly expands when being gasified when meeting water, blocks water seepage micropores, and protects the internal structure from water.
Furthermore, in order to reduce the signal interference, the shielding layer 7 is made of a black polyolefin semi-conductive shielding material.
Further, in order to further satisfy the water blocking effect, the inner protection layer 3 is made of black polyethylene materials and is wrapped on the surface of the water blocking tape 22 in a 360-degree extruding mode, and the inner protection layer is not prone to decomposition when meeting water and has a good water blocking effect.
Furthermore, in order to further increase the water resistance of the cable, the outer protective layer 5 is extruded on the surface of the floating layer 4 by adopting a low-density TPE material.
Further, in order to reduce the direct current resistance of the conductor, the inner conductor 61 is made of oxygen-free copper conductor.
Furthermore, in order to satisfy the light cable structure, the floating layer 4 is made of thermoplastic foamed elastomer (TPE) material.
Further, the insulating layer 62 is made of polyolefin material, the density of the material is smaller than that of the material, the weight is light, the dielectric constant of the foamed polyolefin is smaller than that of the foamed polyolefin, and the low attenuation characteristic of high-frequency signal transmission is met.
Example two:
as shown in fig. 1, 2 and 3, the digital communication cable for the deep water underwater vehicle comprises a signal line pair 1, a water-resistant layer 2, an inner protection layer 3, a floating layer 4 and an outer protection layer 5. The signal line pair 1 is formed by twisting an insulating line core 6, the insulating line core 6 comprises an inner conductor 61 and an insulating layer 62 coated outside the inner conductor, the inner conductor 61 is made of an oxygen-free copper material, the electric conductivity of the inner conductor is up to 100%, the insulating layer 62 is made of a physical foaming polyolefin material, the density of the material is smaller, the weight is light, the dielectric constant of the foaming polyolefin is smaller, and the characteristic of small attenuation of high-frequency signal transmission is met. The waterproof layer 2 is designed with three layers of waterproof effects of radial and longitudinal waterproof, the waterproof yarn 21 is made of expanded fine fiber yarn, the waterproof mechanism is that the materials contain a water-swellable gel substance which blocks a water seepage channel and stops further inward diffusion and extension of water and moisture, the waterproof tape 22 is used for forming a third layer of longitudinal waterproof layer and rapidly expanding when meeting water and blocking water seepage micropores, the internal structure is protected in a waterproof mode, the second layer of radial waterproof layer is formed, the inner protection layer 3 is formed by extruding a layer of black polyethylene on the waterproof layer, the first layer of radial waterproof layer is formed, the material has good mechanical properties, is not easily decomposed when meeting water, and has a good waterproof effect. The floating layer 4 is formed by extruding a thermoplastic foaming elastomer TPE material to form a floating layer, the material is prepared from 60 parts of long-chain polyolefin compound, 220 parts of white oil, 130 tree fingers, 25 parts of polypropylene, 20 parts of ultrafine clay, 30 parts of an auxiliary agent and 170 parts of TPE material foaming master batches in the formula, and the material is foamed by a common extruder, and is uniform in foam pores, good in floating property, light in dielectric layer after foaming, high in strength and strong in weather resistance. The outer protective layer 5 is made of a TPE material with density smaller than that of the TPE material, the TPE material has good acid and alkali corrosion resistance, and the outer protective layer is formed through thermoplastic extrusion.
The digital communication cable for the deep water submersible vehicle is a digital cable for providing video and audio equipment, is convenient to use, adopts a three-layer water-blocking result design, comprehensively and effectively plays a role in blocking water, reduces the weight of the cable by using a novel floating protective layer material, effectively improves the floating force, and has the characteristics of higher flexibility, bending resistance, tensile resistance, wear resistance, oil resistance, ageing resistance, water resistance, corrosion resistance and the like in performance. The technical scheme is suitable for connecting and transmitting signals of the underwater vehicle equipment in a deep water environment, is mainly applied to mechanical equipment which operates in an underwater severe environment such as an underwater robot, underwater salvage equipment, underwater construction equipment, an underwater mechanical arm, an underwater hydraulic cutter and the like, and can be dragged and stretched along with the equipment in water.
The foregoing has outlined the principles, major features, and advantages of the present invention that will be apparent to those skilled in the art. The foregoing examples and description merely illustrate the principles of the invention and are intended to provide further adaptations and modifications within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a digital communication cable for deep water underwater vehicle, includes the signal line pair and wraps up in the water blocking layer, inner sheath, float layer, the outer jacket of signal line pair from inside to outside in proper order, its characterized in that: the signal line pairs are arranged in multiple groups, each group of signal line pairs is adjacent to each other and forms a signal line pair twisted body, each group of signal line pairs is formed by twisting two or more insulated wire cores, an inner conductor and an insulating layer are sequentially arranged on the section of each insulated wire core, and the surfaces of the insulated wire cores are coated with shielding layers and filled in gaps among the insulated wire core twisted bodies; a water-blocking layer, an inner protection layer and a floating layer are arranged between the signal line pairs and the outer protection layer, the water-blocking layer is extruded in gaps and surfaces between the signal line pair twisted bodies, and the water-blocking layer comprises water-blocking yarns distributed in the radial direction and water-blocking tapes distributed in the longitudinal direction; the inner protection layer is wrapped on the surface of the water blocking layer, the floating layer is wrapped on the surface of the inner protection layer in an extruding mode, and the outer protection layer is wrapped on the floating layer in an extruding mode.
2. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the water blocking yarn is filled in the gap and the surface between the signal pair twisters.
3. The digital communication cable for the deep water submersible vehicle as claimed in claim 1 or 2, wherein: the water-blocking yarn is made of fine fiber yarn material which can expand when meeting water.
4. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the water-blocking tape is made of a non-conductive double-sided water-blocking material and is wrapped outside the signal wire pair twisted body filled with the water-blocking yarns in a 360-degree direction in a wrapping mode.
5. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the shielding layer is made of a black polyolefin semi-conductive surface shielding material.
6. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the inner protection layer is made of black polyethylene materials and is extruded on the surface of the water blocking tape.
7. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the outer protective layer is extruded on the surface of the floating layer by adopting a low-density TPE material.
8. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the inner conductor is an oxygen-free copper conductor.
9. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the floating layer is made of thermoplastic foaming elastomer TPE materials.
10. The digital communication cable for the deep water submersible vehicle as claimed in claim 1, wherein: the insulating layer is made of polyolefin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580995.4U CN211719334U (en) | 2020-04-18 | 2020-04-18 | Digital communication cable for deep water underwater vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580995.4U CN211719334U (en) | 2020-04-18 | 2020-04-18 | Digital communication cable for deep water underwater vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211719334U true CN211719334U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020580995.4U Active CN211719334U (en) | 2020-04-18 | 2020-04-18 | Digital communication cable for deep water underwater vehicle |
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|---|---|
| CN (1) | CN211719334U (en) |
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- 2020-04-18 CN CN202020580995.4U patent/CN211719334U/en active Active
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