CN205621492U

CN205621492U - Steamed photovoltaic line cord of compound nothing of high strength profile of tooth

Info

Publication number: CN205621492U
Application number: CN201620411824.2U
Authority: CN
Inventors: 施婷婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-29
Filing date: 2016-04-29
Publication date: 2016-10-05
Anticipated expiration: 2026-04-29

Abstract

The utility model discloses a steamed photovoltaic line cord of compound nothing of high strength profile of tooth, including elastic support, the conductor heart yearn, fluorine plastic insulation layer, the buffer layer, the armor is woven to the steel wire, insulating silica gel heat dissipation layer and heat dissipation area, a plurality of conductor heart yearn strands into the three beams and evenly sets up in elastic support on the circumference, it has the mineral substance fire material to fill in the space between elastic support and the conductor heart yearn, the elastic support outside by interior and outward in proper order the parcel have iron shielded layer, fluorine plastic insulation layer, magnesium silicon alloys silk weaving layer, the armor is woven to the buffer layer steel wire, insulating silica gel heat dissipation layer and heat dissipation area, the utility model discloses the outer dentate bulging of cable is equivalent to spacing, to the multi -thread parallel cable of arranging, because the mutual dentate bulging of cable has played fine spacing fixed action, effectively prevents the emergence of the winding condition of stranded conductor and mixed line, provides convenience for the wiring.

Description

A kind of high intensity profile of tooth composite halogen-free photovoltaic line cord

Technical field

The utility model relates to photovoltaic cable technical field, is specially a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord.

Background technology

Photovoltaic cable in photovoltaic system from photovoltaic cell to photovoltaic transverter DC terminal part connect or terminal box Between DC/AC inverter and photovoltaic system between connection, be a significant components of photovoltaic apparatus, as the sun The trunk of energy photovoltaic generation facility electric energy transmission, is directly connected to security, reliability and the elder generation of solar photovoltaic generation system The property entered.The research and development to photovoltaic cable for the current China is started late, and weak foundation, due to state-of-art, Ren Caipei The aspect such as supporting delayed, research and development strength is weak, lacks the capability of independent innovation.

With social development, the use of photovoltaic cable gets more and more, and the field of application is also more and more extensive, to cable type Requirement with performance is also more and more higher, and the sheath great majority of current photovoltaic cable are to use plastics and rubber organic polymer group Become, typically all one layer, when using in certain environments, inadequate to the protection of cable core, it is especially often subject to the external world Extruding, easy damaged cable core, and the insulating materials of photovoltaic cable and sheath material do not have preferably heat-resisting, cold-resistant, oil resistant, UV resistant, resistance to ozone and weatherability, burning can produce toxic and harmful, thus affect the normal use of cable.

To this end, Chinese patent CN205050600U discloses a kind of high intensity anti-extrusion low smoke and zero halogen photovoltaic cable, including bullet Property bracing frame, conductor, fluoroplastic insulation layer, cushion and low smoke, zero halogen polyolefin jacket, several conductor strand described become Three beams is arranged in flexible supporting frames, is filled with mineral matter fire material in the space between flexible supporting frames and conductor, elastic It is enclosed with metal screen layer, fluoroplastic insulation layer, mg-si master alloy silk braid, cushion from inside to outside successively outside bracing frame With low smoke, zero halogen polyolefin jacket, flexible supporting frames is made up of support ring and brace rod, and this utility model effectively discharges outside eliminating Boundary's pressure, increases cable anti-extrusion performance, strengthens overall structural strength and the tensile property of cable, has high intensity, resistance to Extruding, insulation, fire-retardant performance；But in actual application, the cabling of photovoltaic cable is installed often in order to save frame Empty support or conduit line and use multi-thread parallel form, the cable top layer of tradition smooth exterior structure is in peace that is multi-thread and that walk Assembling structure easily occurs the situation of twisted wire and needs a lot of supplementary structures to carry out Progressive symmetric erythrokeratodermia compartment positioning, install very numb Tired, it would be highly desirable to improve.

Utility model content

The purpose of this utility model is to provide a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord, to solve above-mentioned background The problem proposing in technology.

For achieving the above object, the following technical scheme of the utility model offer:

A kind of high intensity profile of tooth composite halogen-free photovoltaic line cord, including flexible supporting frames, conductor core wire, fluoroplastic insulation layer, Cushion, steel wire woven armored layer, insulation silica gel heat dissipating layer and heat-radiation belt, several conductor core wires are twisted into three beams and are justifying It is uniformly arranged on Zhou in flexible supporting frames, the space between flexible supporting frames and conductor core wire is filled with mineral matter fire insulation material Material, be enclosed with successively from inside to outside outside flexible supporting frames metal screen layer, fluoroplastic insulation layer, mg-si master alloy silk braid, Cushion steel wire woven armored layer, insulation silica gel heat dissipating layer and heat-radiation belt, be provided with the uniformly arrangement of several annulars in cushion Bipeltate rod, steel wire woven armored layer is coated with heat-conducting layer, is extruded with insulation silica gel heat dissipating layer, SOI outside heat-conducting layer Wrapping up some heat-radiation belts outside glue heat dissipating layer, the spiral back side of heat-radiation belt is provided with some detent projection.

As the utility model further technical scheme, described flexible supporting frames is made up of support ring and brace rod, supports Bad inside is connected with three brace rods, and three brace rods are by support ring decile.

As the utility model further technical scheme, conductor core wire is arranged on the cavity that support ring surrounds with brace rod In.

Compared with prior art, the utility model is by flexible supporting frames, cushion and bipeltate rod combining structure, effectively Ambient pressure is got rid of in release, increases cable anti-extrusion performance, and conductor strand bunchy simultaneously passes through flexible supporting frames and mg-si master alloy Silk braid parcel strengthens overall structural strength and the tensile property of cable；The detent projection of cable outer layer is equivalent to spacing Bar, can also improve the area of dissipation of optical cable outer layer while playing spacing positioning action, effectively expand the heat that cable produces It is scattered in air, for the cable of multi-thread parallel arrangement, owing to the mutual detent projection of cable serves good spacing solid Being set for use, the situation effectively preventing twisted wire and swinging cross to be wound around occurs, and provides convenience for wiring.

Brief description

Fig. 1 is the structural representation of the utility model a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord.

Fig. 2 is the structural representation of this practicality Elastic supporter.

In figure: 1-insulate silica gel heat dissipating layer, 2-detent projection, 3-heat-radiation belt, 4-steel wire woven armored layer, 6-cushion, 7-bipeltate rod, 8-mg-si master alloy silk braid, 9-fluoroplastic insulation layer, 10-metal screen layer, 11-bracing frame, 12- Mineral matter fire material, 13-conductor core wire, 110-support ring, 111-brace rod.

Detailed description of the invention

It is described in more detail below in conjunction with the technical scheme to this patent for the detailed description of the invention.

Refer to Fig. 1～2, a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord, including flexible supporting frames the 11st, conductor The 4th, heart yearn the 13rd, fluoroplastic insulation layer the 9th, cushion the 6th, steel wire woven armored layer insulate silica gel heat dissipating layer 1 and heat-radiation belt 3, Described conductor core wire 13 uses copper product, is drawn into by continuous annealing Medium drawing mach ine, little machine drawing by anaerobic electrician's round copper rod The conductor core wire 13 that the circular copper wire of Φ 0.25-0.35mm is twisted into by buncher bundle through tin plating round copper wire, several conductor core wires 13 are twisted into three beams and are circumferentially uniformly arranged in flexible supporting frames 11, flexible supporting frames 11 and conductor core wire 13 it Between space in be filled with mineral matter fire material 12, be enclosed with metallic shield outside flexible supporting frames 11 from inside to outside successively Layer the 10th, fluoroplastic insulation layer the 9th, mg-si master alloy silk braid the 8th, cushion 6 steel wire woven armored layer the 4th, the silica gel that insulate is scattered Thermosphere 1 and heat-radiation belt 3, metal screen layer 10 uses aluminum foil shielded material, has well shielding and radiation proof protective effect, Fluoroplastic insulation layer 9 and low smoke, zero halogen polyolefin jacket 9 have good insulating properties and anti-flammability, mg-si master alloy silk braid 8 enhance structural strength and tensile property, are provided with the bipeltate rod 7 of several annulars uniformly arrangement in cushion 6, when During external force extruding, cushion 6 and bipeltate rod 7 can effectively discharge a part of ambient pressure, be prevented effectively from external force to conductor The impact of heart yearn 13, has good protective effect, and steel wire woven armored layer 4 is coated with heat-conducting layer, squeezes outside heat-conducting layer Being surrounded by insulation silica gel heat dissipating layer 1, wrapping up some heat-radiation belts 3 outside insulation silica gel heat dissipating layer 1, heat-radiation belt 3 is in the shape of a spiral The back side be provided with some detent projection 2, detent projection 2 is equivalent to positive stop strip, can also while playing spacing positioning action Improve the area of dissipation of optical cable outer layer, be effectively diffused into the heat that cable produces in air, for the electricity of multi-thread parallel arrangement Cable, owing to the mutual detent projection of cable serves good spacing fixation, effectively prevents twisted wire and swinging cross to be wound around Situation occurs, and provides convenience for wiring.

Described flexible supporting frames 11 is made up of support ring 110 and brace rod 111, support ring 110 inside and three brace rods 111 connect, and support ring 110 decile, conductor core wire 13 are arranged on support ring 110 and brace rod by three brace rods 111 In 111 cavitys surrounding, flexible supporting frames 11 discharges eliminating ambient pressure further, effectively protection conductor core wire 13 from Foreign impacts, adds the structural strength of cable, has good anti-extrusion performance.

By flexible supporting frames the 11st, cushion 6 and bipeltate rod 7 combining structures, effectively release is got rid of ambient pressure, is increased Powering up cable anti-extrusion performance, the stranded bunchy of conductor core wire 13 is simultaneously wrapped by flexible supporting frames 11 and mg-si master alloy silk braid 8 Wrapping up in overall structural strength and the tensile property strengthening cable, mineral matter fire material the 12nd, fluoroplastic insulation layer 9 and Halogen is low Cigarette polyolefin jacket 9 plays good flame-resistant insulation performance, Stability Analysis of Structures, has high intensity, anti-extrusion, insulation, fire-retardant Performance, the service life of cable is effectively ensured.

Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, In the ken that those of ordinary skill in the art is possessed, can also make each on the premise of without departing from this patent objective Plant change.

Claims

1. a high intensity profile of tooth composite halogen-free photovoltaic line cord, it is characterised in that include flexible supporting frames, conductor cores Line, fluoroplastic insulation layer, cushion, steel wire woven armored layer, insulation silica gel heat dissipating layer and heat-radiation belt, several conductor cores Line is twisted into three beams and is circumferentially uniformly arranged in flexible supporting frames, in the space between flexible supporting frames and conductor core wire Be filled with mineral matter fire material, be enclosed with successively from inside to outside outside flexible supporting frames metal screen layer, fluoroplastic insulation layer, Mg-si master alloy silk braid, cushion steel wire woven armored layer, insulation silica gel heat dissipating layer and heat-radiation belt, if being provided with in cushion The bipeltate rod of dry annular uniformly arrangement, steel wire woven armored layer is coated with heat-conducting layer, is extruded with insulation outside heat-conducting layer Silica gel heat dissipating layer, wraps up some heat-radiation belts outside insulation silica gel heat dissipating layer, and the spiral back side of heat-radiation belt is provided with some teeth Shape is protruding.

2. a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord according to claim 1, it is characterised in that institute Stating flexible supporting frames to be made up of support ring and brace rod, support ring is internal to be connected with three brace rods, and three brace rods will support Ring decile.

3. a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord according to claim 1, it is characterised in that lead Body heart yearn is arranged in the cavity that support ring and brace rod surround.