CN113205916A - Photovoltaic cable easy to fix flat cable - Google Patents
Photovoltaic cable easy to fix flat cable Download PDFInfo
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- CN113205916A CN113205916A CN202110489933.1A CN202110489933A CN113205916A CN 113205916 A CN113205916 A CN 113205916A CN 202110489933 A CN202110489933 A CN 202110489933A CN 113205916 A CN113205916 A CN 113205916A
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Images
Classifications
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- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- 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
- H01B7/189—Radial force absorbing layers providing a cushioning effect
-
- 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
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- 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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a photovoltaic cable easy for winding displacement fixation, which comprises a cable and a winding displacement fixation assembly, wherein the cable comprises a plurality of wire cores, a plurality of compression-resistant fixing frames are arranged on the plurality of wire cores at equal intervals, a heat dissipation reinforced core pipe penetrates through the middle parts of the plurality of compression-resistant fixing frames, and compression-resistant flame-retardant layers are coated outside the plurality of wire cores; the flat cable fixing assembly comprises fixing clamps, an adjusting assembly is arranged on one side of each fixing clamp, an adjusting plate is arranged between the adjusting assemblies of two adjacent fixing clamps, and a plurality of fixing holes are formed in the surface of each adjusting plate; through setting up the fixed subassembly of winding displacement, can play effectual fixed to the position of laying of cable when the photovoltaic cable arranges, help improving the installation row of photovoltaic cable and establish speed, and can guarantee that the cable is arranged in order and establish, avoided the photovoltaic cable to take place the displacement and lead to its wiring deformation or scattered condition emergence in the use, guaranteed the work safety nature of photovoltaic cable during the use.
Description
Technical Field
The invention relates to the technical field of electric wires and cables, in particular to a photovoltaic cable easy for arranging and fixing wires.
Background
The wire and cable is used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.
The wire and cable products are mostly long products with the same cross-sectional shape, which is determined by the characteristics used as the forming lines or coils in the system or the device. The structural composition of the cable product is studied and analyzed by observing only the analysis from its cross section. The structural elements of wire and cable products can be generally divided into four main structural components of wires, insulation, shielding and sheath, as well as filler elements and tensile elements.
The characteristics of the photovoltaic cable are determined by the special insulating material and the special sheathing material of the cable, which are called as cross-linked PE, and after the cable is irradiated by an irradiation accelerator, the molecular structure of the cable material can be changed, so that the performance of the cable in one aspect is provided. Mechanical load resistance in fact, during installation and maintenance, the cables can be routed on sharp edges of the roof structure, while the cables must withstand pressure, bending, tension, cross tensile loads and strong impacts. If the cable sheath is not strong enough, the cable insulation layer will be damaged seriously, thereby affecting the service life of the whole cable, or causing the problems of short circuit, fire hazard, personnel injury danger and the like.
The existing photovoltaic cable is inconvenient for arranging wires and fixing, so that the installation and construction time is long, and the working safety of the cable is also influenced. And the existing photovoltaic cable still has the defects in the aspects of pressure resistance and heat dissipation.
Disclosure of Invention
The invention aims to provide a photovoltaic cable easy for arranging and fixing wires, and solves the technical problem.
In order to achieve the purpose, the invention provides the following technical scheme: a photovoltaic cable easy to fix a flat cable comprises a cable and a flat cable fixing assembly, wherein the cable comprises a plurality of cable cores, a plurality of compression-resistant fixing frames are arranged on the cable cores at equal intervals, a heat dissipation reinforcing core pipe penetrates through the middle parts of the compression-resistant fixing frames, and compression-resistant flame-retardant layers are coated outside the cable cores; the flat cable fixing assembly comprises a fixing clamp, an adjusting assembly is arranged on one side of the fixing clamp, an adjusting plate is arranged between the adjusting assemblies of two adjacent fixing clamps, and a plurality of fixing holes are formed in the surface of the adjusting plate.
Preferably, adjust fixed subassembly and include the spout, spout fixed connection is at the lower extreme of fixed clamp, the one end sliding connection of regulating plate is in the spout, one side of spout is equipped with fixed subassembly.
Preferably, fixed subassembly includes the slide bar, the one end fixedly connected with of slide bar draws the piece, the other end of slide bar extends to holding intracavity and fixedly connected with stopper, the setting in holding chamber is inside one side of spout, the cover is equipped with the pressure spring on the slide bar, the pressure spring is located between one side inner wall in stopper and holding chamber, the one end fixedly connected with card post of stopper, the card post runs through in the spout, just card post and fixed orifices cooperate.
Preferably, the sinle silk includes many conductors, the outside cladding of conductor has the insulating layer, the outside cladding of insulating layer has the braided shield layer, the outside cladding of braided shield layer has high temperature resistant pine sleeve pipe.
Preferably, the resistance to compression flame retardant coating is around the covering including the fire prevention, the fire prevention is outside at many sinle silks around the covering cladding, the fire prevention has fire-retardant inner sheath, weaves armor and fire-retardant oversheath around the covering cladding in proper order outside.
Preferably, the heat dissipation reinforced core pipe is a polytetrafluoroethylene hose, and a plurality of vent holes are distributed on the surface of the outer peripheral wall of the heat dissipation reinforced core pipe.
Preferably, the resistance to compression mount is polyurethane elastomer material, a plurality of fixed slots have evenly been seted up on the peripheral surface of resistance to compression mount, the fixed slot cooperatees with the sinle silk, the periphery wall of resistance to compression mount contacts with the inner wall on the fire-retardant layer of resistance to compression.
Preferably, the conductor is formed by twisting a plurality of strands of nickel-plated copper wires; the insulating layer is a ceramic silicon rubber insulating layer; the braided shielding layer is formed by braiding a plurality of silver-plated copper wires; the high-temperature-resistant loose sleeve is made of high-expansibility glass fibers and is coated with an iron oxide red silica gel layer.
Preferably, the woven armor layer is an aluminum magnesium alloy wire woven layer, the flame-retardant outer sheath is a woven layer formed by interweaving a plurality of layers of glass fibers and carbon fibers, and the flame-retardant inner sheath is a plurality of layers of alkali-free glass fiber woven layers.
Preferably, the preparation method of the photovoltaic cable easy for flat cable fixing comprises the following specific implementation steps:
step one, twisting a plurality of nickel-plated copper wires to prepare a conductor;
secondly, extruding a layer of ceramic silicon rubber on the periphery of the conductor to form an insulating layer;
twisting a plurality of conductors wrapped with the insulating layer to form a packaging body and wrapping a silver-plated copper wire braided layer to form a braided shielding layer; the high-bulk glass fiber tube is sleeved outside the braided shielding layer, and the braided shielding layer is coated with iron oxide red silica gel to form a high-temperature-resistant loose sleeve to form a main wire core;
step four, arranging a plurality of vent holes on the polytetrafluoroethylene hose to form a heat dissipation reinforced core pipe, fixing a plurality of compression-resistant fixing frames outside the heat dissipation reinforced core pipe at equal intervals, and fixing a plurality of wire cores at the periphery of the compression-resistant fixing frames in a clamping manner through fixing grooves;
step five, coating a fireproof wrapping tape outside the plurality of wire cores to form a fireproof wrapping layer;
step seven, covering a plurality of alkali-free glass fiber braided layers outside the fireproof wrapping layer to form a flame-retardant inner sheath, covering an aluminum magnesium alloy wire braided layer outside the flame-retardant inner sheath to form a braided armor layer, and covering a plurality of layers of glass fibers and carbon fiber braided layers outside the braided armor layer to form a flame-retardant outer sheath;
step eight, fix a plurality of fixed clamps on the cable through the bolt, set up the regulating plate between the fixed clamp of two adjacent cables, stretch into the spout of two fixed clamps respectively with the both ends of regulating plate, pull out and draw the piece, draw the piece and drive the card post withdrawal through the slide bar, remove the regulating plate to the assigned position back according to the installation demand, loosen and draw the piece, the pressure spring passes through the stopper and drives card post entering fixed orifices to the winding displacement position to the cable is fixed.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the photovoltaic cable easy to arrange wires and fix, the plurality of compression-resistant fixing frames are arranged on the wire cores and the heat dissipation reinforced core tube, so that the photovoltaic cable can be well protected and supported in a compression-resistant manner, when the cable is extruded, the compression-resistant fixing frames made of the polyurethane elastomer material can buffer and support the cable, and the problem that the wire cores inside the cable are mutually extruded and deformed or an insulating layer is damaged to cause short circuit can be effectively avoided; simultaneously the resistance to compression mount can play fixed and the effect of arranging to the sinle silk in the cable, has reduced the deflection of wire rod in the cable, has improved the resistant commentaries on classics nature of cable, plays the effect that reduces photovoltaic cable transmission loss.
2) This photovoltaic cable that easily winding displacement is fixed through setting up the fixed subassembly of winding displacement, can play effectual fixed to the position of laying of cable when the photovoltaic cable arranges, helps improving the installation row of photovoltaic cable and establishes speed, and can guarantee that the cable is arranged in order and establishes, has avoided the photovoltaic cable to take place the displacement in the use and leads to its condition emergence that the wiring warp or is in disorder, has guaranteed the work safety of photovoltaic cable during the use.
3) This photovoltaic cable that easily winding displacement is fixed through adopting many nickel plating soft copper monofilament strands synthetic conductor, can prevent effectively that the copper conductor from to the ageing catalytic action of insulating layer to guarantee the life of insulating layer.
4) According to the photovoltaic cable easy to arrange wires and fix, the heat dissipation reinforced core pipe made of the polytetrafluoroethylene material is arranged among the wire cores, the appearance structure is fine, the mechanical impurity-free strength is high, the chemical stability, the electrical insulation and the ageing resistance are excellent, and the photovoltaic cable can be used for a long time at minus 60-250 ℃; the heat dissipation reinforcing core pipe is positioned in the central gap of the plurality of wire cores, so that the structural stability, the tensile property and the high temperature resistance of the cable are improved; through a plurality of air vents on the surface of the heat dissipation reinforced core pipe, the heat dissipation effect can be achieved when the cable generates heat at high temperature, the internal heat resistance of the cable is improved, the service life of the cable is prolonged, and the cable can normally work under various high-temperature environments.
5) This photovoltaic cable that easily winding displacement is fixed, through set up ceramic silicon rubber insulating layer outside the conductor, can effectively improve conductor insulating layer's fire resistance, compare in driven oxidized mineral insulating layer, have splendid fire prevention, fire-retardant, low cigarette, characteristics such as nontoxic, extrusion moulding simple process, its burning back residue is hard ceramic shell, the crust does not melt and does not drip in the fire hazard environment, be applicable to the place of any needs fire prevention, electric power transmission has played firm guard action in unobstructed under the assurance conflagration condition.
6) This photovoltaic cable that easily winding displacement is fixed through setting up almag silk weaving layer as the weaving armor of cable, has better structural stability, guarantees that the product has good anti mechanical damage ability and stable structure.
7) The photovoltaic cable easy to arrange the wires fixedly has good corrosion resistance and flexibility by arranging the flame-retardant outer sheath formed by interweaving the multiple layers of glass fibers and the carbon fibers and the flame-retardant inner sheath formed by the multiple layers of alkali-free glass fiber braided layers, and the electrical appliance has excellent performance, and can meet the performance requirements of large working temperature difference, strong corrosivity of contact substances and high fireproof requirement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cable construction of the present invention;
FIG. 3 is an enlarged view of part A of FIG. 1;
in the drawings, the components represented by the respective reference numerals are listed below:
1 sinle silk, 2 resistance to compression mounts, 3 heat dissipation reinforced core pipes, 4 fixed clamps, 5 regulating plates, 6 fixed orificess, 7 spouts, 8 slide bars, 9 holding chambeies, 10 stopper, 11 pressure spring, 12 card posts, 13 conductors, 14 insulating layers, 15 weave shielding layer, 16 high temperature resistant loose tube, 17 fire prevention around covering, 18 fire-retardant inner sheath, 19 weave armor, 20 fire-retardant oversheath, 21 air vents, 22 fixed slots, 23 stay pieces.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 3, the present invention provides the following technical solutions:
example one
A photovoltaic cable easy to fix a flat cable comprises a cable and a flat cable fixing assembly, wherein the cable comprises a plurality of wire cores 1, a plurality of pressure-resistant fixing frames 2 are arranged on the plurality of wire cores 1 at equal intervals, a heat dissipation reinforced core pipe 3 penetrates through the middle parts of the plurality of pressure-resistant fixing frames 2, and pressure-resistant flame-retardant layers are wrapped outside the plurality of wire cores 1; the winding displacement fixing assembly comprises a fixing clamp 4, an adjusting assembly is arranged on one side of the fixing clamp 4, an adjusting plate 5 is arranged between the adjusting assemblies of the two adjacent fixing clamps 4, and a plurality of fixing holes 6 are formed in the surface of the adjusting plate 5.
The adjusting and fixing assembly comprises a sliding groove 7, the sliding groove 7 is fixedly connected to the lower end of the fixing clamp 4, one end of the adjusting plate 5 is connected to the sliding groove 7 in a sliding mode, and the fixing assembly is arranged on one side of the sliding groove 7; the fixing assembly comprises a sliding rod 8, one end of the sliding rod 8 is fixedly connected with a pull block 23, the other end of the sliding rod 8 extends into the accommodating cavity 9 and is fixedly connected with a limiting block 10, the accommodating cavity 9 is arranged inside one side of the sliding groove 7, a pressure spring 11 is sleeved on the sliding rod 8, the pressure spring 11 is located between the limiting block 10 and the inner wall of one side of the accommodating cavity 9, one end of the limiting block 10 is fixedly connected with a clamping column 12, the clamping column 12 penetrates through the sliding groove 7, and the clamping column 12 is matched with the fixing hole 6; through setting up the fixed subassembly of winding displacement, can play effectual fixed to the position of laying of cable when the photovoltaic cable arranges, help improving the installation row of photovoltaic cable and establish speed, and can guarantee that the cable is arranged in order and establish, avoided the photovoltaic cable to take place the displacement and lead to its wiring deformation or scattered condition emergence in the use, guaranteed the work safety nature of photovoltaic cable during the use.
The cable core 1 comprises a plurality of conductors 13, an insulating layer 14 is coated outside the conductors 13, a braided shielding layer 15 is coated outside the insulating layer 14, and a high-temperature-resistant loose tube 16 is coated outside the braided shielding layer 15; the high temperature resistant loose tube 16 is made of high bulk glass fiber and is coated with an iron oxide red silica gel layer; through set up ceramic silicon rubber insulating layer outside conductor 13, can effectively improve the fire resistance of insulating layer 14 of conductor 13, compare in driven oxidized mineral insulating layer, have splendid fire prevention, fire-retardant, low smoke, characteristics such as nontoxic, extrusion moulding simple process, its residue is hard ceramic casing after burning, the crust does not melt and does not drip in the fire environment, be applicable to any place that needs the fire prevention, played firm guard action in guaranteeing that power transmission is unobstructed under the conflagration condition.
The compression-resistant flame-retardant layer comprises a fireproof wrapping layer 17, the fireproof wrapping layer 17 is wrapped outside the plurality of wire cores 1, and a flame-retardant inner sheath 18, a woven armor layer 19 and a flame-retardant outer sheath 20 are sequentially wrapped outside the fireproof wrapping layer 17; the braided armor layer 19 is an aluminum-magnesium alloy wire braided layer, the flame-retardant outer sheath 20 is a braided layer formed by interweaving a plurality of layers of glass fibers and carbon fibers, and the flame-retardant inner sheath 18 is a plurality of layers of alkali-free glass fiber braided layers; the aluminum-magnesium alloy wire braided layer is used as the braided armor layer 19 of the cable, so that the cable has better structural stability, and the product is ensured to have good mechanical damage resistance and a stable structure; through setting up the fire-retardant oversheath 20 that multilayer glass fiber and carbon fiber interweave and the fire-retardant inner sheath 18 that multilayer alkali-free glass fiber silk weaving layer is constituteed, have good corrosion resistance and pliability, and electrical apparatus performance is splendid, can satisfy the performance demand that the working temperature difference is big, contact material corrosivity is strong and fire prevention requirement is very high.
The heat dissipation reinforced core pipe 3 is a polytetrafluoroethylene hose, and a plurality of vent holes 21 are distributed on the surface of the outer peripheral wall of the heat dissipation reinforced core pipe 3; the heat dissipation reinforced core pipe 3 made of polytetrafluoroethylene is arranged among the wire cores 1, the appearance structure is fine, the mechanical impurity strength is high, the chemical stability, the electrical insulation and the ageing resistance are excellent, and the heat dissipation reinforced core pipe can be used for a long time at minus 60-250 ℃; the heat dissipation reinforcing core pipe 3 is positioned in the central gap of the plurality of wire cores, so that the structural stability, the tensile property and the high temperature resistance of the cable are improved; through 3 pipe surface's of heat dissipation enhancement core a plurality of air vents, can play the heat dissipation effect when the cable high temperature generates heat, improve the inside heat resistance of cable, promote cable life, guarantee that the cable can normally work under various high temperature environment.
The compression-resistant fixing frame 2 is made of a polyurethane elastomer material, a plurality of fixing grooves 22 are uniformly formed in the peripheral surface of the compression-resistant fixing frame 2, the fixing grooves 22 are matched with the wire cores 1, and the peripheral wall of the compression-resistant fixing frame 2 is in contact with the inner wall of the compression-resistant flame-retardant layer; the cable core 1 and the heat dissipation reinforcing core 3 are provided with the plurality of compression-resistant fixing frames 2, so that the photovoltaic cable can be well protected and supported in a compression-resistant manner, when the cable is extruded, the compression-resistant fixing frames 2 made of the polyurethane elastomer material can buffer and support the cable, and the problem that the cable cores 1 inside the cable are mutually extruded and deformed or the insulating layer 14 is damaged to cause short circuit can be effectively avoided; simultaneously, the compression-resistant fixing frame 2 can fix and arrange the wire cores 1 in the cable, so that the deformation of the wires in the cable is reduced, the torsion resistance of the cable is improved, and the effect of reducing the transmission loss of the photovoltaic cable is achieved.
Wherein, the conductor 13 is formed by twisting a plurality of strands of nickel-plated copper wires; the insulating layer 14 is a ceramic silicon rubber insulating layer; the braided shield layer 15 is formed by braiding a plurality of silver-plated copper wires, and the conductor 13 twisted by a plurality of nickel-plated soft copper monofilaments can effectively prevent the aging catalysis of the copper conductor on the insulating layer, so that the service life of the insulating layer is ensured.
Example two
A preparation method of a photovoltaic cable easy for arranging and fixing wires comprises the following specific implementation steps:
firstly, stranding a plurality of nickel-plated copper wires to prepare a conductor 13;
secondly, extruding a layer of ceramic silicon rubber on the periphery of the conductor 13 to form an insulating layer 14;
stranding a plurality of conductors 13 wrapping the insulating layer to form a packaging body, and wrapping a silver-plated copper wire braided layer to form a braided shielding layer 15; a high-bulk glass fiber tube is sleeved outside the woven shielding layer 15, and is coated with iron oxide red silica gel to form a high-temperature-resistant loose tube 16 to form a main wire core;
fourthly, arranging a plurality of vent holes 21 on the polytetrafluoroethylene hose to form a heat dissipation reinforced core pipe 3, fixing a plurality of pressure-resistant fixing frames 2 outside the heat dissipation reinforced core pipe 3 at equal intervals, and clamping and fixing a plurality of wire cores 1 on the periphery of the pressure-resistant fixing frames 2 through fixing grooves 22;
step five, coating a fireproof wrapping tape outside the plurality of wire cores 1 to form a fireproof wrapping layer 17;
step seven, a plurality of alkali-free glass fiber braided layers are wrapped outside the fireproof wrapping layer 17 to form a flame-retardant inner sheath 18, an aluminum magnesium alloy wire braided layer is wrapped outside the flame-retardant inner sheath 18 to form a braided armor layer 19, and a plurality of glass fiber and carbon fiber braided layers are wrapped outside the braided armor layer 19 to form a flame-retardant outer sheath 20;
step eight, fix a plurality of fixed clamps 4 on the cable through the bolt, set up regulating plate 5 between the fixed clamp 4 of two adjacent cables, stretch into the spout 7 of two fixed clamps 4 respectively with the both ends of regulating plate 5, pull out and draw the piece 23, draw the piece 23 and drive the withdrawal of card post 12 through slide bar 8, remove regulating plate 5 to the assigned position back according to the installation demand, loosen and draw the piece 23, pressure spring 11 drives card post 12 through stopper 10 and gets into in the fixed orifices 6, thereby fix the winding displacement position of cable.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The photovoltaic cable easy to fix the flat cable is characterized by comprising a cable and a flat cable fixing assembly, wherein the cable comprises a plurality of cable cores (1), a plurality of pressure-resistant fixing frames (2) are equidistantly arranged on the plurality of cable cores (1), a heat dissipation reinforced core pipe (3) penetrates through the middle parts of the plurality of pressure-resistant fixing frames (2), and a pressure-resistant flame-retardant layer is coated outside the plurality of cable cores (1); the flat cable fixing assembly comprises a fixing clamp (4), one side of the fixing clamp (4) is provided with an adjusting assembly, an adjusting plate (5) is arranged between the adjusting assemblies of the two adjacent fixing clamps (4), and a plurality of fixing holes (6) are formed in the surface of the adjusting plate (5).
2. The photovoltaic cable easy for flat cable fixing according to claim 1, wherein the adjusting and fixing component comprises a sliding groove (7), the sliding groove (7) is fixedly connected to the lower end of the fixing clamp (4), one end of the adjusting plate (5) is slidably connected to the sliding groove (7), and a fixing component is arranged on one side of the sliding groove (7).
3. The photovoltaic cable easy to arrange the flat cable fixedly, according to claim 2, wherein the fixing assembly comprises a sliding rod (8), one end fixedly connected with of the sliding rod (8) pulls a block (23), the other end of the sliding rod (8) extends into the accommodating cavity (9) and is fixedly connected with a limiting block (10), the accommodating cavity (9) is arranged inside one side of the sliding groove (7), the sliding rod (8) is sleeved with a pressure spring (11), the pressure spring (11) is located between the inner wall of one side of the limiting block (10) and the accommodating cavity (9), one end fixedly connected with of the limiting block (10) is provided with a clamping column (12), the clamping column (12) runs through the sliding groove (7), and the clamping column (12) is matched with the fixing hole (6).
4. The photovoltaic cable easy for flat cable fixing as claimed in claim 1, wherein the wire core (1) comprises a plurality of conductors (13), the outside of the conductors (13) is coated with an insulating layer (14), the outside of the insulating layer (14) is coated with a braided shielding layer (15), and the outside of the braided shielding layer (15) is coated with a high temperature resistant loose tube (16).
5. The photovoltaic cable easy to arrange wires for fixation as claimed in claims 1-2, wherein the compression-resistant flame-retardant layer comprises a fireproof wrapping layer (17), the fireproof wrapping layer (17) is wrapped outside the plurality of wire cores (1), and the fireproof wrapping layer (17) is sequentially wrapped with a flame-retardant inner sheath (18), a woven armor layer (19) and a flame-retardant outer sheath (20).
6. The photovoltaic cable easy to arrange and fix as claimed in claims 1-2, wherein the heat dissipation reinforced core tube (3) is a polytetrafluoroethylene hose, and a plurality of vent holes (21) are distributed on the surface of the outer circumferential wall of the heat dissipation reinforced core tube (3).
7. The photovoltaic cable easy to arrange and fix as claimed in claims 1-2, wherein the compression-resistant fixing frame (2) is made of polyurethane elastomer, a plurality of fixing grooves (22) are uniformly formed in the outer peripheral surface of the compression-resistant fixing frame (2), the fixing grooves (22) are matched with the wire core (1), and the outer peripheral wall of the compression-resistant fixing frame (2) is in contact with the inner wall of the compression-resistant flame-retardant layer.
8. The photovoltaic cable easy for flat cable fixing according to claim 4, wherein the conductor (13) is formed by twisting a plurality of strands of nickel-plated copper wires; the insulating layer (14) is a ceramic silicon rubber insulating layer; the braided shielding layer (15) is formed by braiding a plurality of silver-plated copper wires; the high-temperature-resistant loose sleeve (16) is made of high-expansibility glass fibers and is coated with an iron oxide red silica gel layer.
9. A photovoltaic cable easy for flat cable fixation as claimed in claim 5, characterized in that the braided armor layer (19) is an aluminum magnesium alloy wire braid layer, the flame retardant outer sheath (20) is a multi-layer braid layer of interwoven glass fibers and carbon fibers, and the flame retardant inner sheath (18) is a multi-layer braid layer of alkali-free glass fibers.
10. The method for preparing a photovoltaic cable easy for flat cable fixing according to any one of claims 1 to 9, comprising the following steps:
step one, twisting a plurality of nickel-plated copper wires into a conductor (13);
secondly, extruding a layer of ceramic silicon rubber on the periphery of the conductor (13) to form an insulating layer (14);
thirdly, twisting a plurality of conductors (13) wrapping the insulating layer to form a packaging body and coating a silver-plated copper wire braided layer to form a braided shielding layer (15); a high-bulk glass fiber tube is sleeved outside the braided shielding layer (15), and is coated with iron oxide red silica gel to form a high-temperature-resistant loose tube (16) to form a main wire core;
fourthly, arranging a plurality of vent holes (21) on the polytetrafluoroethylene hose to form a heat dissipation reinforced core pipe (3), fixing a plurality of compression-resistant fixing frames (2) outside the heat dissipation reinforced core pipe (3) at equal intervals, and clamping and fixing a plurality of wire cores (1) at the periphery of the compression-resistant fixing frames (2) through fixing grooves (22);
step five, covering a fireproof wrapping tape outside the wire cores (1) to form a fireproof wrapping layer (17);
seventhly, covering a plurality of layers of alkali-free glass fiber woven layers outside the fireproof wrapping layer (17) to form a flame-retardant inner sheath (18), covering an aluminum magnesium alloy woven layer outside the flame-retardant inner sheath (18) to form a woven armor layer (19), and covering a plurality of layers of glass fibers and carbon fiber woven layers outside the woven armor layer (19) to form a flame-retardant outer sheath (20);
step eight, fix a plurality of fixed clamps (4) on the cable through the bolt, set up regulating plate (5) between the fixed clamp (4) of two adjacent cables, stretch into spout (7) of two fixed clamps (4) respectively with the both ends of regulating plate (5), pull out and draw piece (23), draw piece (23) and drive card post (12) withdrawal through slide bar (8), remove regulating plate (5) to appointed position back according to the installation demand, loosen and draw piece (23), pressure spring (11) drive card post (12) through stopper (10) and get into in fixed orifices (6), thereby fix the winding displacement position of cable.
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| CN202110489933.1A CN113205916B (en) | 2021-05-06 | 2021-05-06 | Photovoltaic cable easy to fix flat cable |
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| CN202110489933.1A CN113205916B (en) | 2021-05-06 | 2021-05-06 | Photovoltaic cable easy to fix flat cable |
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Cited By (1)
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| CN113674906A (en) * | 2021-08-18 | 2021-11-19 | 昆山爱光电子有限公司 | High-voltage cable for solar power generation |
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| CN113205916B (en) | 2023-01-10 |
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