CN113327714A - Tensile stranded carbon fiber composite core overhead conductor - Google Patents
Tensile stranded carbon fiber composite core overhead conductor Download PDFInfo
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- CN113327714A CN113327714A CN202110621102.5A CN202110621102A CN113327714A CN 113327714 A CN113327714 A CN 113327714A CN 202110621102 A CN202110621102 A CN 202110621102A CN 113327714 A CN113327714 A CN 113327714A
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- 239000002131 composite material Substances 0.000 title claims abstract description 66
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 61
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 61
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000004020 conductor Substances 0.000 title claims description 64
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 203
- 239000000835 fiber Substances 0.000 claims description 88
- 238000004140 cleaning Methods 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 24
- 239000010935 stainless steel Substances 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000011241 protective layer Substances 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 10
- 230000008014 freezing Effects 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 230000017105 transposition Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/008—Power cables for overhead application
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/226—Helicoidally wound metal wires or tapes
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- Non-Insulated Conductors (AREA)
Abstract
本发明提供了一种抗拉绞合型碳纤维复合芯架空导线，包括碳纤维复合芯本体及导电层，所述导电层包覆在所述碳纤维复合芯本体外侧，所述导电层由若干铝线组成，所述铝线截面为圆型、梯形、S/Z、U等形状，且若干所述铝线通过绞线工艺呈螺旋状紧密缠绕在所述碳纤维复合芯本体外侧。本发明中，利用碳纤维复合芯本体作为承力件，碳纤维复合芯本体抗拉强度高，提高了架空导线的抗拉性能，同时，导电层铝线之间不存在间隙，提高了导电层的结构强度，可以全方位保护架空导线不受径向力的破坏，使导电层能够承受较大的拉力。
The invention provides a tensile stranded carbon fiber composite core overhead wire, comprising a carbon fiber composite core body and a conductive layer, the conductive layer is wrapped on the outside of the carbon fiber composite core body, and the conductive layer is composed of several aluminum wires The cross section of the aluminum wire is in the shape of a circle, a trapezoid, S/Z, U, etc., and a number of the aluminum wires are tightly wound on the outside of the carbon fiber composite core body in a spiral shape through a twisting process. In the present invention, the carbon fiber composite core body is used as the bearing member, the carbon fiber composite core body has high tensile strength, which improves the tensile performance of the overhead wire, and at the same time, there is no gap between the aluminum wires of the conductive layer, which improves the structure of the conductive layer. The strength can protect the overhead wires from damage by radial force in all directions, so that the conductive layer can withstand a large tensile force.
Description
Technical Field
The invention relates to the technical field of soft package lithium ion batteries, in particular to a tensile stranded carbon fiber composite core overhead conductor.
Background
The transmission line is widely used on alternating current and direct current transmission engineering lines with various voltage grades, the existing transmission line generally adopts an overhead conductor structure, the overhead conductor generally consists of a conductor and a bearing part, the conductor of the overhead conductor is generally aluminum or aluminum alloy, and the bearing part is generally made of zinc-plated steel wires, aluminum-clad steel wires and other materials.
At present, the overhead conductor's load spare generally adopts materials such as zinc-plated steel wire, aluminium package copper wire to make, and overhead conductor's conductor cross-section is circular mostly, can have the clearance between circular cross-section's conductor, area of contact between two adjacent conductors is less, can't reach and lay the atress requirement, because intermittent type existence conductor easily takes place to warp when the overhead conductor receives radial effort, and can reduce circular cross-section conductor's tensile strength, make the holistic tensile property of overhead conductor relatively poor.
Disclosure of Invention
The invention provides a tensile stranded carbon fiber composite core overhead conductor, which is used for solving the technical problems that the existing force-bearing part of the overhead conductor is generally made of galvanized steel wires, aluminum-clad steel wires and other materials, the cross section of the conductor of the overhead conductor is mostly circular, a gap exists between the conductors with the circular cross sections, the contact area between two adjacent conductors is small, the laying stress requirement cannot be met, when the overhead conductor is subjected to radial acting force, the conductors are easy to deform due to intermittent existence, the tensile strength of the conductors with the circular cross sections can be reduced, and the overall tensile property of the overhead conductor is poor.
In order to solve the technical problem, the invention discloses a tensile stranded carbon fiber composite core overhead conductor, which comprises: the conductive layer is coated on the outer side of the carbon fiber composite core body and consists of a plurality of aluminum wires, the cross sections of the aluminum wires are S/Z-shaped and adjacent, the aluminum wires are mutually stacked and matched end to end, and the aluminum wires are spirally and tightly wound on the outer side of the carbon fiber composite core body through a stranded wire process.
Preferably, the carbon fiber composite core body is made by stranding a single-strand fiber or a plurality of sets of the single-strand fibers.
Preferably, the carbon fiber composite core body is a 23.52 mm-diameter stranded carbon fiber composite core consisting of 37 strands of 3.36 mm-diameter single-strand carbon wires, and the conductive layer has a diameter of 28.45 mm.
Preferably, the outer wall of the conductive layer is provided with a first tensile layer.
Preferably, the outer wall of the first tensile layer is provided with a protective layer, and the protective layer is coated on the outer surface of the first tensile layer.
Preferably, a second tensile layer is embedded in the protective layer and consists of a plurality of stainless steel ropes, the stainless steel ropes are formed by twisting a plurality of stainless steel wires, and the stainless steel ropes are woven into a net structure.
Preferably, still include a plurality of cleaning device, a plurality of cleaning device along the conducting layer axial is arranged, cleaning device includes:
the two fixing blocks are arranged on the lower surface of the conducting layer, one end of each fixing block is fixedly connected with the lower surface of the conducting layer, and a through hole in the horizontal direction is formed in each fixing block;
the sliding rod is arranged below the conducting layer, the left end and the right end of the sliding rod respectively penetrate through the through holes on the left side and the right side and are in sliding connection with the fixed block through the through holes, the left end and the right end of the sliding rod are respectively provided with a baffle, the baffles are perpendicular to the axial direction of the sliding rod, and the height of each baffle is larger than the diameter of each through hole;
the spring is sleeved on the sliding rod, one end of the spring is fixedly connected with the side wall, facing the fixed block, of the baffle, and the other end of the spring is fixedly connected with the side wall, close to the baffle, of the fixed block;
the rack is arranged between the two fixed blocks, the upper surface of the rack is fixedly connected with the lower surface of the sliding rod, and one side of the rack, which is far away from the sliding rod, is provided with teeth;
the fixing plate is arranged between the two fixing blocks, and the left end and the right end of the fixing plate are respectively fixedly connected with the side walls of the two fixing blocks on the left side and the right side;
the rotating shaft is arranged on the front side wall of the fixed plate, is perpendicular to the sliding rod and is rotatably connected with the front side wall of the fixed plate;
the incomplete gear is arranged on the rotating shaft, the center of the incomplete gear is fixedly connected with one end, far away from the fixed plate, of the rotating shaft, and the incomplete gear is in tooth-shaped intermittent meshing with the rack;
the impeller is arranged on the rotating shaft, is positioned between the fixing plate and the incomplete gear and is provided with a plurality of blades;
the cleaning ring is arranged in a circular ring shape, the cleaning ring is sleeved outside the conducting layer, the cleaning ring is connected with the outer wall of the conducting layer in a sliding mode, and the lower end of the cleaning ring is fixedly connected with the upper surface of the sliding rod.
Preferably, the method further comprises the following steps:
the wind speed detection device is arranged outside the conducting layer and is used for detecting the average wind speed outside the conducting layer;
the first timer is arranged outside the conducting layer and used for recording the time length of ice covering the outside of the conducting layer;
the first alarm is arranged outside the conducting layer;
the first controller is arranged outside the conducting layer and is respectively and electrically connected with the wind speed detection device, the first timer and the first alarm;
the first controller controls the first alarm to work based on the wind speed detection device and the detection value of the first timer, and the method comprises the following steps:
step 1: calculating the actual mass of the ice layer covered outside the conductive layer by formula (1) based on the detected values of the wind speed detection device and the first timer:
wherein M is0The actual mass of the ice layer covering the outside of the conductive layer,
is the coefficient of collision of water drops in the air with the outer wall of the conductive layer, tau1Is the freezing coefficient of water drop in air after collision with the outer wall of the conductive layer, rho1Is the density of liquid water in air, r1Is the diameter of the conductive layer, r2Is the diameter of a water droplet in air, v1Is the average wind speed, t, outside the conductive layer detected by the wind speed detection device0Recording the time length of ice covering outside the conductive layer for the first timer;
step 2: the first controller compares the actual quality of the ice layer covered outside the conductive layer with the preset quality of the ice layer covered outside the conductive layer, and when the actual quality of the ice layer covered outside the conductive layer is larger than the preset quality of the ice layer covered outside the conductive layer, the first controller controls the first alarm to send out an alarm prompt.
Preferably, the carbon fiber composite core further comprises a fiber torsional rigidity tester, when the carbon fiber composite core body is manufactured, the fiber torsional rigidity tester is used for testing the actual torsional rigidity of the twisted multiple single-strand fibers, when the actual torsional rigidity of the twisted single-strand fibers, which is detected by the fiber torsional rigidity tester, is larger than a preset maximum torsional rigidity, the twisting work of the multiple single-strand fibers is stopped, and the preset maximum torsional rigidity of the single-strand fibers is calculated through the following steps:
step 11: calculating the initial torsional stiffness of the plurality of strands of the single-stranded fiber according to equation (2):
wherein, K1Is the initial torsional stiffness of a plurality of said single-strand fibres, N is the number of said single-strand fibres, b1Is the length of said single-strand fiber, K0Is the torsional stiffness per unit length of the single-strand fiber, a1Is the distance from the twist location of the single-strand fiber to the origin of the twist of the single-strand fiber, F1For the initial horizontal tension to which the single-strand fibre is subjected, d1The preset diameter of the carbon fiber composite core body;
step 12: calculating a preset maximum torsional rigidity of the single-strand fiber by formula (3) based on the calculation result of step 11:
wherein, KMAXFor a predetermined maximum torsional stiffness of the single-strand fiber, E1Is the combined modulus of elasticity, S, of the single-strand fibers1Is the cross-sectional area of the single-strand fiber, Y0For displacement of the single-strand fibres in the horizontal direction after stranding, Z0Is the displacement of the single-strand fiber in the vertical direction after stranding.
The technical scheme of the invention has the following advantages: the invention provides a tensile stranded carbon fiber composite core overhead conductor which comprises a carbon fiber composite core body and a conducting layer, wherein the conducting layer is coated on the outer side of the carbon fiber composite core body and consists of a plurality of aluminum wires, the cross sections of the aluminum wires are in the shapes of circles, trapezoids, S/Z, U and the like, and the aluminum wires are spirally and tightly wound on the outer side of the carbon fiber composite core body through a stranding process. According to the invention, the carbon fiber composite core body is used as a bearing part, the tensile strength of the carbon fiber composite core body is high, the tensile property of the overhead conductor is improved, meanwhile, no gap exists between aluminum wires of the conducting layer, the structural strength of the conducting layer is improved, the overhead conductor can be protected in all directions from being damaged by radial force, and the conducting layer can bear larger tensile force.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of an overall structure of a tensile stranded carbon fiber composite core overhead conductor according to the present invention;
FIG. 2 is a schematic view of a first tensile layer and a protective layer according to the present invention;
FIG. 3 is a schematic view of a second tensile layer of the present invention;
FIG. 4 is a partial horizontal cross-sectional view of a second tensile layer in accordance with the present invention;
FIG. 5 is a schematic view of the cleaning apparatus according to the present invention.
In the figure: 1. a carbon fiber composite core body; 2. an aluminum wire; 3. a first tensile layer; 4. a protective layer; 5. a second tensile layer; 6. a fixed block; 7. a slide bar; 8. a baffle plate; 9. a spring; 10. a rack; 11. a fixing plate; 12. a rotating shaft; 13. an incomplete gear; 14. an impeller; 15. cleaning a ring; 22. and a conductive layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1:
an embodiment of the present invention provides a tensile stranded carbon fiber composite core overhead conductor, as shown in fig. 1 to 5, including: carbon-fibre composite core body 1 and conducting layer 22, the cladding of conducting layer 22 is in the 1 outside of carbon-fibre composite core body, conducting layer 22 comprises a plurality of aluminium wires 2, 2 cross-sections of aluminium wire are the S/Z type, adjacent two pile up the cooperation each other end to end between the aluminium wire 2, and a plurality of aluminium wire 2 is the heliciform through the stranded conductor technology and closely twines in the 1 outside of carbon-fibre composite core body.
The working principle and the beneficial effects of the technical scheme are as follows: the load-bearing part of the overhead conductor is made of the carbon fiber composite core body 1, compared with the conventional steel-cored aluminum stranded wire, the carbon fiber composite core body 1 has a series of advantages of light weight, high tensile strength, high temperature resistance, corrosion resistance, large current-carrying capacity, less line loss, small sag and the like, the carbon fiber composite core body 1 has higher conveying capacity, the current-carrying capacity can reach twice that of the conventional conductor under the condition of the same weight, in addition, the carbon fiber composite core body 1 adopts soft aluminum with less line loss to replace hard aluminum for stranding, the magnetic loss and the heat effect caused by steel wire materials do not exist, the power transmission loss can be greatly reduced, the steel wire adopted in the prior art is used as the load-bearing part, the tensile strength of the common steel wire is 1240MPa, the tensile strength of the carbon fiber composite core body 1 can reach more than 2400MPa, and the strength safety factor of the carbon fiber composite core body 1 can be improved by nearly 2 times compared with the conventional overhead conductor, the overall tensile property of the overhead conductor is greatly improved, in addition, the conductive layer 22 is arranged on the outer side of the carbon fiber composite core body 1, the conductive layer 22 is formed by twisting a plurality of aluminum wires 2, wherein the conductive layer 22 can also be formed by any one of high-strength aluminum alloy wires, heat-resistant aluminum alloy wires and common aluminum wires, the cross section of partial aluminum wires is any one of trapezoid, S/Z type, U type and circular type, the scheme selects the cross section of the aluminum wire 2 to be S/Z type, so that the two adjacent aluminum wires 2 are mutually stacked and matched end to end, the gap between the two adjacent aluminum wires 2 can be eliminated, the gap does not exist between the aluminum wires 2 of the conductive layer 22, the overall mechanical property of the conductive layer 22 is enhanced, the structural strength of the conductive layer 22 is improved, the overhead conductor is not damaged by radial acting force, and the aluminum wires 2 with the S/Z type cross section have better mechanical property than the aluminum alloy wires with the circular cross section, not only can increase conducting layer 22 ' S current-carrying capacity, can also bear bigger pulling force, this air wire ' S the biggest span length can reach 3300 meters, and the pulling force that this air wire can bear exceeds 700kN, and the skating thickness can reach 50 millimeters simultaneously, has stronger tensile properties, through the aluminium wire 2 that uses carbon fiber composite core body 1 and S/Z type cross-section, has prolonged air wire ' S life.
Example 2
On the basis of the above embodiment 1, the carbon fiber composite core body 1 is made by stranding single-strand fibers or a plurality of groups of the single-strand fibers;
the carbon fiber composite core body 1 is a 23.52 mm-diameter stranded carbon fiber composite core consisting of 37 strands of 3.36 mm-diameter single-stranded carbon wires, and the conductive layer 22 is 28.45 mm in diameter.
The working principle and the beneficial effects of the technical scheme are as follows: carbon-fibre composite core body 1 is made by the transposition of single strand fiber or multiunit single strand fiber, and carbon-fibre composite core body 1's diameter is great for air wire can bear bigger pulling force, satisfies customer's demand.
Example 3
On the basis of the embodiment 1, as shown in fig. 2 to 4, the outer wall of the conductive layer 22 is provided with the first tensile layer 3;
a protective layer 4 is arranged on the outer wall of the first tensile layer 3, and the protective layer 4 covers the outer surface of the first tensile layer 3;
the protective layer 4 is internally inlaid with a second tensile layer 5, the second tensile layer 5 is composed of a plurality of stainless steel ropes, the stainless steel ropes are formed by twisting a plurality of stainless steel wires, and the stainless steel ropes are woven into a net structure.
The working principle and the beneficial effects of the technical scheme are as follows: the outer wall of the conducting layer 22 is provided with a first tensile layer 3, the first tensile layer 3 is made of carbon fibers or galvanized steel wires, the first tensile layer 3 is formed by twisting a plurality of carbon fibers or galvanized steel wires on the outer side of the conducting layer 22, the first tensile layer 3 consisting of the carbon fibers or the galvanized steel wires can protect the conducting layer 22 from being damaged by external changes under the condition that the conducting layer 22 is bent or straightened, the outer wall of the first tensile layer 3 is provided with a protective layer 4, the protective layer 4 is made of elastic rubber materials, the insulating protection effect can be achieved, the oxidation, corrosion or aging of the conducting layer 22 can be slowed down, the service life of the whole overhead conductor is prolonged, a second tensile layer 5 is arranged inside the protective layer 4, the second tensile layer 5 consists of stainless steel ropes, the stainless steel ropes are formed by twisting the stainless steel wires, the tensile strength of the stainless steel wires exceeds 520MPa, and the stainless steel ropes are woven into a net structure, when the air wire receives to drag, second tensile layer 5 can take place to warp to reduce the pulling force that conducting layer 22 received, reduce the damage of conducting layer 22, and when the air wire is crooked, the completion degree of conducting layer 22 can be guaranteed to netted second tensile layer 5, external electromagnetic interference has been reduced simultaneously, through setting up first tensile layer 3, protective layer 4 and second tensile layer 5, can protect conducting layer 22, and the tensile strength of air wire in the use has been improved by a wide margin.
Example 4
On the basis of embodiment 1, as shown in fig. 5, the cleaning device further includes a plurality of cleaning devices, the plurality of cleaning devices are arranged along the axial direction of the conductive layer 22, and the cleaning device includes:
the two fixing blocks 6 are arranged on the lower surface of the conducting layer 22, one end of each fixing block 6 is fixedly connected with the lower surface of the conducting layer 22, and a through hole in the horizontal direction is formed in each fixing block 6;
the sliding rod 7 is arranged below the conducting layer 22, the left end and the right end of the sliding rod 7 respectively penetrate through the through holes on the left side and the right side and are connected with the fixed block 6 in a sliding mode through the through holes, the left end and the right end of the sliding rod 7 are respectively provided with a baffle 8, the baffles 8 are perpendicular to the axial direction of the sliding rod 7, and the height of each baffle 8 is larger than the diameter of each through hole;
the spring 9 is sleeved on the sliding rod 7, one end of the spring 9 is fixedly connected with the baffle plate 8 towards one side wall of the fixed block 6, and the other end of the spring 9 is fixedly connected with the side wall of the fixed block 6 close to the baffle plate 8;
the rack 10 is arranged between the two fixed blocks 6, the upper surface of the rack 10 is fixedly connected with the lower surface of the sliding rod 7, and one side of the rack 10, which is far away from the sliding rod 7, is provided with a gear;
the fixing plate 11 is arranged between the two fixing blocks 6, and the left end and the right end of the fixing plate 11 are respectively fixedly connected with the side walls of the two fixing blocks 6 on the left side and the right side;
the rotating shaft 12 is arranged on the front side wall of the fixed plate 11, and the rotating shaft 12 is perpendicular to the sliding rod 7 and is rotatably connected with the front side wall of the fixed plate 11;
the incomplete gear 13 is arranged on the rotating shaft 12, the center of the incomplete gear 13 is fixedly connected with one end, far away from the fixed plate 11, of the rotating shaft 12, and the incomplete gear 13 is in tooth form intermittent meshing with the rack 10;
the impeller 14, the impeller 14 is arranged on the rotating shaft 12, the impeller 14 is located between the fixed plate 11 and the incomplete gear 13, and the impeller 14 is provided with a plurality of blades;
The working principle and the beneficial effects of the technical scheme are as follows: a cleaning device is arranged outside the conducting layer 22, wherein the cleaning device is provided with two fixing blocks 6, a horizontal through hole is arranged inside the fixing block 6, a sliding rod 7 is arranged between the two fixing blocks 6, two ends of the sliding rod 7 respectively penetrate through the through holes on the left side and the right side to be slidably connected with the fixing blocks 6, because the overhead conductor is exposed to the air when in use, dust or snow is easily attached to the outer side of the conducting layer 22, and too much snow causes the thickness of ice attached to the surface of the conducting layer 22 to be increased, so that greater pressure is generated on the whole overhead conductor, meanwhile, due to the increase of the pressure, the pulling force applied to the overhead conductor is gradually increased, and because people are inconvenient to clean the attached ice layer, the scheme provides the cleaning device, when in use, blades of the impeller 14 arranged on the rotating shaft 12 can be blown by wind, the impeller 14 is driven by wind to rotate, the impeller 14 rotates clockwise or counterclockwise correspondingly with the change of the wind direction, when the impeller 14 rotates clockwise, the impeller 14 drives the rotating shaft 12 to rotate clockwise on the fixing plate 11, the rotating shaft 12 drives the incomplete gear 13 to rotate clockwise, the incomplete gear 13 is engaged with the rack 10 intermittently, when the incomplete gear 13 is engaged with the rack 10, the incomplete gear 13 drives the rack 10 to move from left to right, the rack 10 drives the sliding rod 7 to slide from left to right in the through hole, the sliding rod 7 drives the cleaning ring 15 to slide from left to right on the outer wall of the conducting layer 22, so as to clean partial accumulated snow on the outer wall of the conducting layer 22, after the incomplete gear 13 is engaged with the rack 10, under the action of the spring 9, the sliding rod 7 slides in the opposite direction and can oscillate for multiple times, so that the cleaning ring 15 performs reciprocating cleaning on the outer wall of the conducting layer 22 left and right, thereby increasing the cleaning area of the cleaning ring 15, greatly reduces the accumulated snow on the outer wall of the conducting layer 22, when the impeller 14 rotates anticlockwise, the incomplete gear 13 also rotates anticlockwise, the cleaning ring 15 can also slide on the outer wall of the conducting layer 22, so as to clean the outer wall of the conducting layer 22, the cleaning device can clean the outer wall of the conducting layer 22 by means of wind power, in addition, the impeller 14 can rotate forwards and backwards along with the change of wind direction, so as to reasonably utilize the wind power, and the cleaning device is suitable for various different environments, the cleaning device is adopted to replace manpower for cleaning, the labor intensity is reduced, compared with the manpower cleaning, the cleaning device of the scheme has higher safety, the safety accidents are reduced, the accumulated snow on the outer wall of the conducting layer 22 is cleaned in time, the thickness of the ice layer on the outer wall of the conducting layer 22 can be reduced, the pressure of the ice layer on the whole overhead conductor is reduced, and the tensile force born by the overhead conductor is greatly reduced, the tensile property of the overhead conductor in a severe environment with an ice layer is favorably improved, and the service life of the overhead conductor is prolonged.
Example 5
On the basis of embodiment 1, the method further comprises the following steps:
a wind speed detection device disposed outside the conductive layer 22, the wind speed detection device being configured to detect an average wind speed outside the conductive layer 22;
a first timer disposed outside the conductive layer 22, the first timer being configured to record a duration of ice covering the outside of the conductive layer 22;
a first alarm disposed outside the conductive layer 22;
the first controller is arranged outside the conducting layer 22 and is electrically connected with the wind speed detection device, the first timer and the first alarm respectively;
the first controller controls the first alarm to work based on the wind speed detection device and the detection value of the first timer, and the method comprises the following steps:
step 1: based on the detected values of the wind speed detection means and the first timer, the actual mass of the ice layer covered outside the conductive layer 22 is calculated by formula (1):
wherein M is0Being the actual mass of the ice layer covering the outside of said conductive layer 22,
is the coefficient of collision, τ, of water droplets in the air with the outer wall of the conductive layer 221Is the freezing coefficient, rho, of water drops in the air after colliding with the outer wall of the conductive layer 221Is the density of liquid water in air, r1Is the diameter of the conductive layer 22, r2Is the diameter of a water droplet in air, v1Is the average wind speed, t, outside the conductive layer 22 detected by the wind speed detection means0The length of time that the exterior of the conductive layer 22 is covered with ice is recorded for the first timer;
step 2: the first controller compares the actual mass of the ice layer covered outside the conductive layer 22 with the preset mass of the ice layer covered outside the conductive layer 22, and when the actual mass of the ice layer covered outside the conductive layer 22 is larger than the preset mass of the ice layer covered outside the conductive layer 22, the first controller controls the first alarm to send out an alarm prompt.
The working principle and the beneficial effects of the technical scheme are as follows: when the ice layer covered outside the conducting layer 22 is too thick, the overhead conductor is easy to crush, and at present, no method for detecting the quality of the ice layer covered outside the conducting layer 22 exists, the scheme provides a method for detecting the quality of the ice layer covered outside the conducting layer 22, the conducting layer 22 is externally provided with a wind speed detection device, a first timer, a first alarm and a first controller, the wind speed detection device, the first timer, the first alarm and the first controller are not directly connected with the conducting layer 22, the first controller is also connected with a remote sending device, the remote sending device can be connected with a remote set client, when the first alarm gives an alarm, the first controller can send an alarm signal to the remote sending device, and then the alarm signal is sent to the client by the remote sending device, so that a user is reminded that the ice layer covered outside the conducting layer 22 is too thick, and the overhead conductor is cleaned in time, according to the detection values of the wind speed detection device and the first timer, the actual mass of the ice layer covered outside the conductive layer 22 can be accurately calculated through a formula (1), in the calculation process, the value range of the collision coefficient between water drops in the air and the outer wall of the conductive layer 22 is 0.4-0.6, the collision coefficient is related to the wind speed, the freezing coefficient after the water drops in the air collide with the outer wall of the conductive layer 22 is related to the wind speed and the temperature of the outer wall of the conductive layer 22, the value range of the freezing coefficient after the water drops in the air collide with the outer wall of the conductive layer 22 is 0.5-0.7, the lower the temperature outside the conductive layer 22 is, the larger the freezing coefficient is, the first temperature sensor is arranged outside the conductive layer 22 and can detect the temperature outside the conductive layer 22, when the temperature outside the conductive layer 22 detected by the first temperature sensor is lower than the preset temperature of 0 ℃, the water drops in the air collide with the conductive layer 22 and freeze, the first controller controls the first timer to start timing, and finally calculates the actual mass of the ice layer covered outside the conductive layer 22 through the formula (1), the first controller can then compare the actual mass of the ice layer covered on the outside of the conductive layer 22 with a preset mass of the ice layer covered on the outside of the conductive layer 22, when the actual mass of the ice layer coated outside the conductive layer 22 is greater than the preset mass of the ice layer coated outside the conductive layer 22, the first controller controls the first alarm to send out an alarm prompt, a user can clean the ice layer outside the overhead conductor in time after receiving the alarm prompt, the condition that the service performance of the conductive layer 22 is influenced by the thicker ice layer outside the conductive layer 22 is avoided, meanwhile, the damage caused by the fact that the ice layer is thick and large pressure is applied to the overhead conductor to enable the interior of the overhead conductor to generate large pulling force is avoided, the overhead conductor is effectively protected, and the overhead conductor can work for a long time.
Example 6
On the basis of embodiment 2, the carbon fiber composite core further comprises a fiber torsional rigidity tester, when the carbon fiber composite core body 1 is manufactured, the fiber torsional rigidity tester is used for testing the actual torsional rigidity of a plurality of twisted single-strand fibers, when the actual torsional rigidity of the plurality of twisted single-strand fibers, which is detected by the fiber torsional rigidity tester, is larger than the preset maximum torsional rigidity, the twisting work of the plurality of single-strand fibers is stopped, and the preset maximum torsional rigidity of the single-strand fibers is calculated through the following steps:
step 11: calculating the initial torsional stiffness of the plurality of strands of the single-stranded fiber according to equation (2):
wherein, K1Is the initial torsional stiffness of a plurality of said single-strand fibres, N is the number of said single-strand fibres, b1Is the length of said single-strand fiber, K0Is the torsional stiffness per unit length of the single-strand fiber, a1Is the distance from the twist location of the single-strand fiber to the origin of the twist of the single-strand fiber, F1For the initial horizontal tension to which the single-strand fibre is subjected, d1The preset diameter of the carbon fiber composite core body 1 is set;
step 12: calculating a preset maximum torsional rigidity of the single-strand fiber by formula (3) based on the calculation result of step 11:
wherein, KMAXFor a predetermined maximum torsional stiffness of the single-strand fiber, E1Is the combined modulus of elasticity, S, of the single-strand fibers1Is the cross-sectional area of the single-strand fiber, Y0For displacement of the single-strand fibres in the horizontal direction after stranding, Z0Is the displacement of the single-strand fiber in the vertical direction after stranding.
The working principle and the beneficial effects of the technical scheme are as follows: when the carbon fiber composite core body 1 is manufactured, a plurality of single-stranded fibers need to be twisted, in order to ensure that the plurality of single-stranded fibers can be twisted to the tightest degree, the fiber torsional rigidity tester is further arranged in the scheme, the fiber torsional rigidity tester can be used for detecting the actual torsional rigidity of the plurality of single-stranded fibers when the plurality of single-stranded fibers are twisted, the initial torsional rigidity of the plurality of single-stranded fibers can be calculated through a formula (2), wherein the horizontal tension borne by the single-stranded fibers is preset tension which is the minimum force for driving the single-stranded fibers to twist, then according to the calculation result of the formula (2), the preset maximum torsional rigidity when the plurality of single-stranded fibers are twisted can be calculated through the formula (3), and when the initial torsional rigidity of the plurality of single-stranded fibers detected by the fiber torsional rigidity tester is larger than the preset maximum torsional rigidity when the plurality of single-stranded fibers calculated by the formula (3), can stop to the transposition work of multi-beam single strand fiber, then carry out the transposition of next position, at this moment, multi-beam single strand fiber transposition degree reaches tightest to the structural strength of carbon fiber composite core body 1 has been strengthened, has reduced the clearance between the multi-beam single strand fiber, thereby has improved the holistic tensile property of air wire, helps making air wire bear bigger pulling force.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A tensile stranded carbon fiber composite core overhead conductor is characterized by comprising: carbon-fibre composite core body (1) and conducting layer (22), conducting layer (22) cladding is in the carbon-fibre composite core body (1) outside, conducting layer (22) comprises a plurality of aluminium wires (2), aluminium wire (2) cross-section is the S/Z type, adjacent two pile up the cooperation each other end to end between aluminium wire (2), and a plurality of aluminium wire (2) are the heliciform through the stranded conductor technology and closely twine in the carbon-fibre composite core body (1) outside.
2. A carbon fiber composite core overhead conductor of a tensile strand type according to claim 1, wherein the carbon fiber composite core body (1) is made by stranding a single fiber or a plurality of groups of the single fibers.
3. The carbon fiber composite core overhead conductor of claim 1, wherein the carbon fiber composite core body (1) is a 23.52 mm diameter stranded carbon fiber composite core consisting of 37 single carbon wires with a diameter of 3.36 mm, and the conductive layer (22) has a diameter of 28.45 mm.
4. The carbon fiber composite core overhead conductor of claim 1, wherein the outer wall of the conductive layer (22) is provided with a first tensile layer (3).
5. The carbon fiber composite core overhead conductor of claim 4, wherein the first tensile layer (3) is provided with a protective layer (4) on the outer wall.
6. The carbon fiber composite core overhead conductor of claim 5, wherein a second tensile layer (5) is embedded in the protective layer (4), the second tensile layer (5) is composed of a plurality of stainless steel ropes, the stainless steel ropes are formed by twisting a plurality of stainless steel wires, and the stainless steel ropes are woven into a net structure.
7. A carbon fiber composite core overhead conductor of a tensile stranded type according to claim 1, further comprising a plurality of cleaning devices arranged axially along said conductive layer (22), said cleaning devices comprising:
the two fixing blocks (6) are arranged on the lower surface of the conducting layer (22), one end of each fixing block (6) is fixedly connected with the lower surface of the conducting layer (22), and a through hole in the horizontal direction is formed in each fixing block (6);
the sliding rod (7) is arranged below the conducting layer (22), the left end and the right end of the sliding rod (7) respectively penetrate through the through holes in the left side and the right side and are in sliding connection with the fixing block (6) through the through holes, the left end and the right end of the sliding rod (7) are respectively provided with a baffle (8), the baffle (8) is perpendicular to the axial direction of the sliding rod (7), and the height of the baffle (8) is larger than the diameter of the through holes;
the spring (9) is sleeved on the sliding rod (7), one end of the spring (9) is fixedly connected with the baffle plate (8) towards one side wall of the fixed block (6), and the other end of the spring (9) is fixedly connected with the side wall of the fixed block (6) close to the baffle plate (8);
the rack (10) is arranged between the two fixed blocks (6), the upper surface of the rack (10) is fixedly connected with the lower surface of the sliding rod (7), and one side, far away from the sliding rod (7), of the rack (10) is provided with teeth;
the fixing plate (11) is arranged between the two fixing blocks (6), and the left end and the right end of the fixing plate (11) are respectively fixedly connected with the side walls of the two fixing blocks (6) on the left side and the right side;
the rotating shaft (12), the rotating shaft (12) is arranged on the front side wall of the fixing plate (11), and the rotating shaft (12) is perpendicular to the sliding rod (7) and is rotatably connected with the front side wall of the fixing plate (11);
the incomplete gear (13) is arranged on the rotating shaft (12), the center of the incomplete gear (13) is fixedly connected with one end, far away from the fixed plate (11), of the rotating shaft (12), and the incomplete gear (13) is in tooth-shaped intermittent meshing with the rack (10);
the impeller (14), the impeller (14) is set up on the said rotating shaft (12), the said impeller (14) locates between said fixed plate (11) and said incomplete gear (13), the said impeller (14) has several blades;
clean ring (15), clean ring (15) and set up to the ring form, clean ring (15) cover and establish the conducting layer (22) outside, clean ring (15) with conducting layer (22) outer wall sliding connection, clean ring (15) lower extreme with slide bar (7) upper surface fixed connection.
8. The carbon fiber composite core overhead conductor of claim 1, further comprising:
a wind speed detection device disposed outside the conductive layer (22), the wind speed detection device for detecting an average wind speed outside the conductive layer (22);
a first timer disposed outside the conductive layer (22), the first timer being configured to record a duration of ice covering the outside of the conductive layer (22);
a first alarm disposed outside the conductive layer (22);
the first controller is arranged outside the conducting layer (22), and is electrically connected with the wind speed detection device, the first timer and the first alarm respectively;
the first controller controls the first alarm to work based on the wind speed detection device and the detection value of the first timer, and the method comprises the following steps:
step 1: calculating the actual mass of the ice layer covered outside the conductive layer (22) by the formula (1) based on the detected values of the wind speed detection device and the first timer:
wherein M is0The actual mass of the ice layer covering the outside of the conductive layer (22),
is the collision coefficient of water drops in the air with the outer wall of the conductive layer (22), tau1Is the freezing coefficient of water drops in the air after colliding with the outer wall of the conductive layer (22), rho1Is the density of liquid water in air, r1Is the diameter of the conductive layer (22), r2Is the diameter of a water droplet in air, v1Is the average wind speed, t, outside the conductive layer (22) detected by the wind speed detection device0Recording for the first timer a length of time for which the exterior of the conductive layer (22) is covered with ice;
step 2: the first controller compares the actual quality of the ice layer covered outside the conductive layer (22) with the preset quality of the ice layer covered outside the conductive layer (22), and when the actual quality of the ice layer covered outside the conductive layer (22) is larger than the preset quality of the ice layer covered outside the conductive layer (22), the first controller controls the first alarm to send out an alarm prompt.
9. The carbon fiber composite core overhead conductor of claim 2, further comprising a fiber torsional rigidity tester, wherein when the carbon fiber composite core body (1) is manufactured, the fiber torsional rigidity tester is used to test the actual torsional rigidity of the stranded single fibers when the stranded single fibers are twisted, and when the actual torsional rigidity of the stranded single fibers detected by the fiber torsional rigidity tester is greater than a preset maximum torsional rigidity, the stranding operation of the stranded single fibers is stopped, and the preset maximum torsional rigidity of the single fibers is calculated by the following steps:
step 11: calculating the initial torsional stiffness of the plurality of strands of the single-stranded fiber according to equation (2):
wherein, K1Is the initial torsional stiffness of a plurality of said single-strand fibres, N is the number of said single-strand fibres, b1Is the length of said single-strand fiber, K0Is the torsional stiffness per unit length of the single-strand fiber, a1Is the distance from the twist location of the single-strand fiber to the origin of the twist of the single-strand fiber, F1For the initial horizontal tension to which the single-strand fibre is subjected, d1The diameter of the carbon fiber composite core body (1) is preset;
step 12: calculating a preset maximum torsional rigidity of the single-strand fiber by formula (3) based on the calculation result of step 11:
wherein, KMAXFor a predetermined maximum torsional stiffness of the single-strand fiber, E1Is the combined modulus of elasticity, S, of the single-strand fibers1Is the cross-sectional area of the single-strand fiber, Y0The single-strand fiber is twistedDisplacement in the horizontal direction of (Z)0Is the displacement of the single-strand fiber in the vertical direction after stranding.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927262A (en) * | 2022-06-02 | 2022-08-19 | 广东鑫源恒业电力线路器材有限公司 | Magnetic composite material core for composite material core overhead conductor and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248233A (en) * | 2005-03-11 | 2008-08-20 | 株式会社海莱客思 | Operating inner cable |
| CN202871332U (en) * | 2012-09-21 | 2013-04-10 | 安徽南洋电缆有限公司 | Super soft power supply control cable |
| CN103426555A (en) * | 2012-05-26 | 2013-12-04 | 河南科信电缆有限公司 | Core wire reinforcement carbon fiber cable |
| CN104134483A (en) * | 2014-07-17 | 2014-11-05 | 佛冈鑫源恒业电缆科技有限公司 | Stranded carbon fiber composite core soft aluminum wire and fabrication method thereof |
| CN108086219A (en) * | 2018-01-16 | 2018-05-29 | 湖南望隆企业管理咨询有限公司 | A kind of urban road sweeping vehicle |
| US20190199071A1 (en) * | 2017-12-21 | 2019-06-27 | Yehoshua Shachar | Apparatus and Method for Cleaning High Power Transmission Lines |
| CN112018776A (en) * | 2020-09-09 | 2020-12-01 | 重庆大学 | Anti-ice optimal operation method for power system considering line loss |
-
2021
- 2021-06-03 CN CN202110621102.5A patent/CN113327714B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248233A (en) * | 2005-03-11 | 2008-08-20 | 株式会社海莱客思 | Operating inner cable |
| CN103426555A (en) * | 2012-05-26 | 2013-12-04 | 河南科信电缆有限公司 | Core wire reinforcement carbon fiber cable |
| CN202871332U (en) * | 2012-09-21 | 2013-04-10 | 安徽南洋电缆有限公司 | Super soft power supply control cable |
| CN104134483A (en) * | 2014-07-17 | 2014-11-05 | 佛冈鑫源恒业电缆科技有限公司 | Stranded carbon fiber composite core soft aluminum wire and fabrication method thereof |
| US20190199071A1 (en) * | 2017-12-21 | 2019-06-27 | Yehoshua Shachar | Apparatus and Method for Cleaning High Power Transmission Lines |
| CN108086219A (en) * | 2018-01-16 | 2018-05-29 | 湖南望隆企业管理咨询有限公司 | A kind of urban road sweeping vehicle |
| CN112018776A (en) * | 2020-09-09 | 2020-12-01 | 重庆大学 | Anti-ice optimal operation method for power system considering line loss |
Non-Patent Citations (1)
| Title |
|---|
| 朱宽军，刘彬: "架空输电线路分裂导线扭转刚度的计算", 《电网技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927262A (en) * | 2022-06-02 | 2022-08-19 | 广东鑫源恒业电力线路器材有限公司 | Magnetic composite material core for composite material core overhead conductor and preparation method thereof |
| CN114927262B (en) * | 2022-06-02 | 2023-10-31 | 广东鑫源恒业电力线路器材有限公司 | Magnetic composite material core for composite material core overhead conductor and preparation method thereof |
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