CN114267479A - Photoelectric composite cable for monitoring floating in annular inner support - Google Patents
Photoelectric composite cable for monitoring floating in annular inner support Download PDFInfo
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- CN114267479A CN114267479A CN202111645187.7A CN202111645187A CN114267479A CN 114267479 A CN114267479 A CN 114267479A CN 202111645187 A CN202111645187 A CN 202111645187A CN 114267479 A CN114267479 A CN 114267479A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
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- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
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Abstract
The invention discloses an annular photoelectric composite cable for internal support floating monitoring, which comprises a cable outer coating and a wire core assembly arranged in the cable outer coating; the wire core assembly comprises a supporting piece, a power wire core woven by a plurality of wire cores and a signal wire core formed by twisting optical fibers and data wires; an arc-shaped positioning surface is arranged in the cable outer tegument, and the end surface of the supporting piece is in contact with and pressed against the arc-shaped positioning surface; an elastic clamping groove is formed in the inner wall of the supporting piece, an installation position is arranged on the elastic clamping groove, and the power wire core and the signal wire core are oppositely clamped in the elastic clamping groove through the installation position; the power wire core and the signal wire core are provided with a space; the inner protection layer is internally provided with a closed gas storage cavity, so that the water floating use can be realized, the searching and the replacement are convenient, the safety of the composite cable can be ensured even if the composite cable is subjected to sudden pressure change, and the floating purpose is achieved.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an annular photoelectric composite cable for internal support floating monitoring.
Background
With the development of the national power grid and communication industries, the application of the electric cable and the optical cable is more and more extensive, and the composite cable compounded by the electric cable and the optical cable can greatly save the cost and reduce the connecting time of the cable, and has excellent prospect.
However, many cables connected with fixing equipment or equipment in the market at present do not have waterproof performance, and fewer photoelectric composite cables have the advantages of hydrolysis resistance, acid-base corrosion resistance, strong ultraviolet radiation resistance, electromagnetic interference resistance and water floating realization. According to the harsh conditions of the water cable service environment, the following reasons and accidental damage situations need to be considered in a key way:
1. when the cable is laid on water, the cable heads at two ends are not subjected to sealing treatment or have poor sealing performance, and water vapor permeates into the cable from the defect part under the surrounding water environment to reduce the insulating performance of the insulating layer, so that the service life and the performance of the product are reduced;
2. in the process of laying the cable on water, as the underwater condition is unclear, a sharp object cuts or scratches a cable protective layer so as to enable water vapor to enter;
3. the cable is seriously sunk due to self-weight stress because of insufficient buoyancy in the process of laying the cable on water;
4. when the pressure on water is too high or a water body is rapidly extruded to generate local overpressure, the cable is easy to tear and break;
5. the anti-electromagnetic interference cable has a complex use environment and is easily interfered by external signals, so that data packet loss or distortion is caused in the normal signal transmission process, and the anti-electromagnetic interference capability of the whole cable is ensured.
6. Self-diagnosis of the cable: if mechanical damage occurs to the cable, the cable can be self-diagnosed through self-checking, and a damage signal is transmitted to a control end for prompting.
The cable that connects equipment on water above this application summary advances water, the unsuitable condition such as characteristics of buoyancy, and what have pertinence carries out special design to the structure of cable, selects novel waterproof, acid and alkali corrosion resistance, anti ultraviolet radiation material, anti-electromagnetic interference shielding structure design, and novel production technology processing provides a novel photoelectric composite cable can reach and lay and the purpose that the cable floated in the use, waterproof, anti mechanical damage and anti-electromagnetic interference.
Disclosure of Invention
The invention aims to provide an annular photoelectric composite cable for internal support floating monitoring.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: an annular photoelectric composite cable for internal support floating monitoring comprises a cable outer coating layer and a wire core assembly arranged in the cable outer coating layer; the wire core assembly comprises a supporting piece, a power wire core woven by a plurality of wire cores and a signal wire core formed by twisting optical fibers and data wires; an arc-shaped positioning surface is arranged in the cable outer tegument, and the end surface of the supporting piece is in contact with and pressed against the arc-shaped positioning surface; an elastic clamping groove is formed in the inner wall of the supporting piece, an installation position is arranged on the elastic clamping groove, and the power wire core and the signal wire core are oppositely clamped in the elastic clamping groove through the installation position; the power wire core and the signal wire core are provided with a space; the inner protection layer is internally provided with a closed gas storage cavity, so that the water floating use can be realized, the searching and the replacement are convenient, the safety of the composite cable can be ensured even if the composite cable is subjected to sudden pressure change, and the floating purpose is achieved.
Preferably, the elastic clamping groove is a bamboo joint clamping groove, so that the multiple sections of the fixing structure can be realized while the heat dissipation performance of the power wire core and the signal wire core is ensured.
Preferably, the support is a hollow helical ring structure; this structure can radially guarantee the support degree while the axial carries out the multi-angle and buckles, and this structure can also ensure compound cable and support piece's concentricity in addition, avoids the axis skew, has also practiced thrift the raw materials to a certain extent.
Preferably, the main body of the support piece is a waterproof high-hardness new material, and a tinned aluminum-magnesium alloy elastic wire is arranged on the inner side of the support piece; the tin-aluminum-magnesium plated wire can prevent corrosion and has no magnetism. Magnetic metal wires (steel wires and the like) are easy to generate electromagnetic induction under alternating frequency signals and current to generate eddy currents inside, form impedance, interfere signals, block signal and current transmission and easily generate heat.
Preferably, waterproof materials are filled between the spiral rings of the support, and the longitudinal and transverse water-blocking capacity of the composite cable can be enhanced while the support is supported.
Preferably, the cable outer layer comprises an inner protection layer, a waterproof layer, an outer shielding layer and an outer sheath which are sequentially arranged from inside to outside; the arrangement of the cable outer layer can ensure the stable transmission capability of the composite cable long-distance audio and video signals and the long-term use on the water surface.
Preferably, factice is filled between the optical fiber and the data wire, and the outer part of the optical fiber and the data wire is coated with a self-adhesive aluminum foil, so that the longitudinal and transverse water-blocking capacity of the real signal wire core is realized; waterproof yarns are filled among the electric wire cores, and oil filling treatment is carried out in the process of weaving the electric wire cores into a cable; the power cord core cladding has the self-adhesion aluminium foil, the self-adhesion aluminium foil outside still is equipped with the internal shield layer.
Preferably, the inner shielding layer and the outer shielding layer are both made of tin-plated or corrosion-resistant non-magnetic materials.
Preferably, the inner shielding layer and the outer shielding layer are both woven by tinned copper wires, and the inner shielding layer and the outer shielding layer are made of non-magnetic materials, so that induction eddy current and heat loss are avoided, the transmission stability of signals is ensured, the signal distortion or packet loss is avoided, corrosion resistance is realized, and no magnetism is generated. Magnetic metal wires (steel wires and the like) are easy to generate electromagnetic induction under alternating frequency signals and current to generate eddy currents inside, form impedance, interfere signals, block signal and current transmission and easily generate heat.
Preferably, the inner protection layer is foamed polyether TPU, so that the flexibility of the composite cable is ensured, and the composite cable has good hydrolysis resistance; the waterproof layer is for locating the self-adhesion single face aluminium foil in the interior sheath outside around the package, the oversheath is waterproof material, and multiple waterproof setting, the cable of avoiding that can be fine is intake, even if intake, inside waterproof yarn and other waterproof material homoenergetic carry out multiple waterproof.
Preferably, the arc-shaped positioning surface is arranged on the inner protection layer inner side wall.
Preferably, the outer protective layer is formed by co-extruding three layers of high-strength foaming waterproof materials, so that the cable product is not only longitudinally and radially double-water-blocking integrally, but also has high-strength anti-explosion and anti-pressure capabilities.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the invention provides a photoelectric composite cable which has the advantages of hydrolysis resistance, acid and alkali corrosion resistance, strong ultraviolet radiation resistance, electromagnetic interference resistance and water floating realization; the outer sheath is made of waterproof materials, the inner part of the outer sheath is protected by foamed polyether type TPU, and waterproof materials such as waterproof yarns are matched, so that the waterproof performance of the composite cable is improved, and the composite cable can achieve the hydrolysis resistance effect in long-term use; the support piece is adopted in the inner part, so that the air storage cavity in the inner protection layer is prevented from being flattened, the air storage cavity can be ensured to float on water for use, and even if the composite cable is subjected to sudden pressure, the floating can be finally realized to ensure the safety;
2. the power wire core and the signal wire core are provided with intervals and keep fixed interval positions, so that the stable transmission capability of long-distance audio and video signals can be realized, and when the composite cable is mechanically damaged, the signal wire core transmits the damaged signals to the control end for prompting;
3. the invention is provided with the internal and external double shielding layers, can completely resist external electromagnetic interference, does not generate induced eddy current and heat loss, ensures the transmission stability of signals, and does not distort or lose packets;
4. the support piece has very good anti-extrusion capacity, can effectively protect the safety of the power core and the signal core inside the composite cable, prolongs the service life of the power core and the signal core, is not in contact with the power core and the signal core, cannot generate additional attenuation to the signal core due to a large amount of heat generated in the practical process of the power core, and cannot influence the normal use of another core when a certain core is overhauled;
5. the invention is suitable for the operation occasions of floating in seawater or fresh water environment, transmitting audio and video signals and transmitting remote radio frequency signals, can float on water for a long time under the condition of good waterproof sealing condition of the end connector according to the use environment, and can not move due to tide after the positioning pile is installed at the laid remote end. The remote monitoring system is suitable for the connection of special operation equipment and equipment at a remote fixed position, and realizes the transmission and sending of remote monitoring and monitoring signals; has excellent hydrolysis resistance, acid and alkali corrosion resistance, strong ultraviolet radiation resistance and waterproof performance; is suitable for special application occasions.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a radial cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a core assembly according to the present invention;
FIG. 4 is a schematic structural diagram of the supporting member of the present invention.
Wherein: 1. an inner protective layer; 2. a waterproof layer; 3. an outer shield layer; 4. an outer sheath; 5. a support member; 6. a wire core; 7. a power supply wire core; 8. an optical fiber and a data line; 9. a signal wire core; 10. a high hardness material; 11. tin-plated aluminum-magnesium alloy elastic wire; 12. an inner shield layer.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description, wherein the drawings are simplified schematic drawings and only the basic structure of the present invention is illustrated schematically, so that only the structure related to the present invention is shown, and it is to be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1-4, the invention discloses an annular photoelectric composite cable for internal support floating monitoring, which comprises a cable outer layer and a wire core assembly arranged in the cable outer layer.
The cable outer tegument layer comprises an inner sheath layer 1, a waterproof layer 2, an outer shielding layer 3 and an outer sheath 4 which are sequentially arranged from inside to outside; the inner protection layer 1 is foamed polyether TPU, and has good hydrolysis resistance while the flexibility of the composite cable is ensured; the waterproof layer 2 is a self-adhesive single-sided aluminum foil wrapping arranged on the outer side of the inner protection layer 1, so that the composite cable can be prevented from hydrolysis in the long-term use process; the outer shielding layer 3 is braided and shielded by tinned copper wires, so that external electromagnetic interference is completely avoided; the outer sheath 4 is made of waterproof material.
The wire core assembly comprises a power wire core 7 woven by a support piece 5 and 2 wire cores 6, and a signal wire core 9 formed by twisting optical fibers and data wires 8 in pairs.
The optical fiber and the data wire 8 are filled with factice, self-adhesive aluminum foils are coated outside the optical fiber and the data wire 8, waterproof yarns are filled between the electric wire cores 6 for enhancing the longitudinal and transverse water resistance between the optical fiber and the data wire 8, and oil filling treatment is carried out in the process of weaving into a cable; the cladding of power sinle silk 7 has the self-adhesion aluminium foil, the self-adhesion aluminium foil outside still is equipped with internal shield layer 12, the vertical and horizontal ability of blocking water between the reinforcing electric wire core 6.
The inner shielding layer 12 and the outer shielding layer 3 are both made of tin-plated or corrosion-resistant non-magnetic materials, preferably tin-plated copper wires, and are made of non-magnetic materials, so that induction eddy current and heat loss cannot be generated, the transmission stability of signals is ensured, and the signal distortion or packet loss cannot be caused.
The inner wall of the inner protection layer 1 is provided with an arc positioning surface, the end surface of the support piece 5 is in contact with the arc positioning surface to be compressed, the top of the support piece 5 supports the inner protection layer 1, a sealed installation cavity is formed in the inner protection layer 1, the inner protection layer 1 applies pressure to the support piece 5 through the arc positioning surface to ensure that the support piece 5 is fixed, and waterproof materials are filled between spiral rings of the support piece 5 to enhance the waterproof effect.
The supporting piece 5 is a hollow spiral annular structure, the structure can ensure the supporting degree in the radial direction and simultaneously axially bend at multiple angles, in addition, the structure can also ensure the concentricity of the composite cable and the supporting piece 5, avoid the axis deviation and save raw materials to a certain extent; the main body of the support piece 5 is made of a waterproof high-hardness material 10, and a tinned aluminum-magnesium alloy elastic wire 11 is arranged on the inner side of the support piece; the tin-aluminum-magnesium plated wire can prevent corrosion and has no magnetism. Magnetic metal wire steel wires and the like are easy to generate electromagnetic induction under alternating frequency signals and current to generate eddy currents inside, form impedance, interfere signals, block signal and current transmission and are easy to generate heat.
An elastic clamping groove is formed in the inner wall of the supporting piece 5, an installation position is arranged on the elastic clamping groove, and the power wire core 7 and the signal wire core 9 are oppositely clamped in the elastic clamping groove through the installation position; the elastic clamping groove is a bamboo joint clamping groove, so that the multi-section fixation can be realized while the heat dissipation performance of the power wire core 7 and the signal wire core 9 is ensured; the power wire core 7 and the signal wire core 9 are provided with intervals and keep fixed spacing positions, other supporting pieces 5 are not arranged between the power wire core 7 and the signal wire core 9, and the composite cable is positioned only through the elastic clamping grooves, so that the gap distance between the power wire core 7 and the signal wire core 9 is still ensured even if the composite cable is deformed under the external pressure, the insulation resistance between the insulations is ensured, and the safe use coefficient is increased; be equipped with the cavity promptly between power sinle silk 7 and the signal sinle silk 9 for interior sheath 1 is inside to have a confined gas storage chamber, and support piece guarantees that it can not flattened, guarantees buoyancy, can realize showy use on water, is convenient for seek and change.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The photoelectric composite cable for monitoring the floating in the annular inner support is characterized by comprising a cable outer coating and a wire core assembly arranged in the cable outer coating; the wire core assembly comprises a support piece (5), a power wire core (7) woven by a plurality of wire cores (6) and a signal wire core (9) formed by twisting optical fibers and a data wire (8) in pair; an arc-shaped positioning surface is arranged in the cable outer tegument, and the end surface of the supporting piece (5) is in contact with and pressed against the arc-shaped positioning surface; an elastic clamping groove is formed in the inner wall of the supporting piece (5), an installation position is arranged on the elastic clamping groove, and the power wire core (7) and the signal wire core (9) are oppositely clamped in the elastic clamping groove through the installation position; and the power wire core (7) and the signal wire core (9) are provided with intervals.
2. The photoelectric composite cable for monitoring floating in an annular inner support of claim 1, wherein the elastic clamping groove is a bamboo joint clamping groove.
3. The annular internally-supported floating monitoring photoelectric composite cable according to claim 1, wherein the support member (5) has a hollow spiral annular structure.
4. The photoelectric composite cable for monitoring floating in an annular inner support according to claim 1, wherein the main body of the support (5) is a waterproof high-hardness material (10), and a tin-plated aluminum-magnesium alloy elastic wire (11) is arranged on the inner side.
5. The photoelectric composite cable for monitoring floating in an annular inner support according to claim 3, wherein a waterproof material is filled between the spiral rings of the support member (5).
6. The photoelectric composite cable for monitoring floating in the annular inner support of claim 1, wherein the outer layer of the cable comprises an inner sheath (1), a waterproof layer (2), an outer shielding layer (3) and an outer sheath (4) which are arranged in sequence from inside to outside.
7. The photoelectric composite cable for monitoring floating in an annular inner support according to claim 6, wherein ointment is filled between the optical fibers and the data lines (8), and the outer part of the optical fibers and the data lines is coated with self-adhesive aluminum foil; waterproof yarns are filled among the electric wire cores (6), and oil filling treatment is carried out in the process of weaving the electric wire cores into a cable; the power sinle silk (7) cladding has the self-adhesion aluminium foil, the self-adhesion aluminium foil outside still is equipped with internal shield layer (12).
8. The annular inner-support floating monitoring photoelectric composite cable according to claim 7, wherein the inner shield layer (12) and the outer shield layer (3) are both made of tin-plated or corrosion-resistant non-magnetic materials.
9. The photoelectric composite cable for monitoring floating in the annular inner support is characterized in that the inner protective layer (1) is foamed polyether TPU, the waterproof layer (2) is a self-adhesive single-sided aluminum foil wrapping arranged on the outer side of the inner protective layer (1), and the outer protective layer (4) is made of waterproof material.
10. The photoelectric composite cable for monitoring supporting and floating in an annular shape according to claim 6, wherein the arc-shaped positioning surface is arranged on the inner side wall of the inner sheath (1).
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| CN202111645187.7A CN114267479A (en) | 2021-12-30 | 2021-12-30 | Photoelectric composite cable for monitoring floating in annular inner support |
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| CN202111645187.7A CN114267479A (en) | 2021-12-30 | 2021-12-30 | Photoelectric composite cable for monitoring floating in annular inner support |
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| CN107958724A (en) * | 2017-12-08 | 2018-04-24 | 江苏中天科技股份有限公司 | Total cross-section, which blocks water, seals multi signal composite rope and its preparation process |
| CN207489506U (en) * | 2017-12-08 | 2018-06-12 | 江苏中天科技股份有限公司 | Total cross-section, which blocks water, seals multi signal composite rope |
| CN209461188U (en) * | 2018-11-13 | 2019-10-01 | 亚洲电器电缆科技有限公司 | A kind of underwater robot cable |
| CN110246617A (en) * | 2019-07-12 | 2019-09-17 | 江苏中煤电缆有限公司 | Flexible power cable is pressed in the anti-biological type of photoelectric composite sea floating for a kind of shallow sea |
| CN210984331U (en) * | 2019-12-12 | 2020-07-10 | 欧耐特线缆集团有限公司 | Underwater special cable |
| CN111415768A (en) * | 2020-04-30 | 2020-07-14 | 青岛豪迈电缆集团有限公司 | A multipurpose cable for salt lake project |
| CN211957146U (en) * | 2020-04-30 | 2020-11-17 | 青岛豪迈电缆集团有限公司 | A multipurpose cable for salt lake project |
| CN112102989A (en) * | 2020-09-18 | 2020-12-18 | 安徽华星电缆集团有限公司 | Water surface floating cable with large buoyancy and high stability |
| CN112397232A (en) * | 2020-10-09 | 2021-02-23 | 居盛文 | Flat anti-torsion communication cable |
| CN214336380U (en) * | 2021-02-09 | 2021-10-01 | 苏州市电航电子科技有限公司 | Non-insulation extrusion multi-core floating cable |
| CN215342025U (en) * | 2021-07-21 | 2021-12-28 | 浙江汉信光电股份有限公司 | Water communication positioning monitoring light floating cable |
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