CN105788726A - High-strength tooth-form composite halogen-free photovoltaic line cable - Google Patents
High-strength tooth-form composite halogen-free photovoltaic line cable Download PDFInfo
- Publication number
- CN105788726A CN105788726A CN201610301236.8A CN201610301236A CN105788726A CN 105788726 A CN105788726 A CN 105788726A CN 201610301236 A CN201610301236 A CN 201610301236A CN 105788726 A CN105788726 A CN 105788726A
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- China
- Prior art keywords
- layer
- conductor core
- cable
- heat
- supporting frames
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01B7/17—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
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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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
- H01B7/17—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
- H01B7/1875—Multi-layer sheaths
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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
- H01B7/17—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
- H01B7/228—Metal braid
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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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
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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
- H01B7/426—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using cooling fins, ribs
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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
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
Abstract
The invention discloses a high-strength tooth-form composite halogen-free photovoltaic line cable, and the cable comprises an elastic support, conductor core wires, a fluoroplastic insulating layer, a buffering layer, a steel wire braiding armored layer, an insulating silica gel heat dissipation layer, and a heat dissipation belt. The plurality of conductor core wires are twisted together to form three bundles, and are uniformly the elastic support in a peripheral direction from the inside to the outside. A mineral substance fire-insulating material is placed in a gap between the elastic support and the conductor core wires. The outer side of the elastic support is sequentially wrapped by a metal shielding layer, the fluoroplastic insulating layer, a magnesium and silica alloy braided layer, a buffering layer steel wire braiding armored layer, an insulating silicon gel heat dissipation layer, and a heat dissipation layer. A tooth-shaped projection at an outer layer of the cable is equivalent to a limiting strip. For a plurality of parallel cables, the cable effectively avoid the twisting and mixed winding of cables because the tooth-shaped projection among cables plays a good effect in limiting and fixing, and brings convenience for wiring.
Description
Technical field
The present invention relates to photovoltaic cable technical field, be 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 inverter DC terminal part connect or connection between DC/AC inverter and photovoltaic system between rosette, it it is a significant components of photovoltaic apparatus, as the trunk of solar energy power generating facility electric energy transmission, it is directly connected to the safety of solar photovoltaic generation system, reliability and advance.The research and development of photovoltaic cable is started late by current China, weak foundation, and owing to the aspect such as state-of-art, personnel training is delayed, research and development strength is weak, lacks the capability of independent innovation.
Development along with society, the use of photovoltaic cable gets more and more, the field of application is also more and more extensive, the requirement of cable type and performance is also more and more higher, the sheath great majority of current photovoltaic cable are to adopt plastics and rubber organic polymer composition, it is typically all one layer, when using in certain environments, the protection of cable core is inadequate, especially the extruding in the external world it is often subject to, easy damaged cable core, and the insulant of photovoltaic cable and sheath material do not have heat-resisting preferably, cold-resistant, oil resistant, UV resistant, resistance to ozone and weatherability, burning can produce toxic and harmful, thus affecting the normal use of cable.
For this, Chinese patent CN205050600U discloses a kind of high intensity anti-extrusion low smoke and zero halogen photovoltaic cable, including flexible supporting frames, conductor, fluoroplastic insulation layer, cushion and low smoke, zero halogen polyolefin jacket, several conductor strand described become three beams to be arranged in flexible supporting frames, space between flexible supporting frames and conductor is filled with mineral fire material, metal screen layer it is enclosed with from inside to outside successively outside flexible supporting frames, fluoroplastic insulation layer, mg-si master alloy silk braid, cushion and low smoke, zero halogen polyolefin jacket, flexible supporting frames is made up of a pushing out ring and brace rod, this invention effectively discharges eliminating ambient pressure, increase cable anti-extrusion performance, strengthen overall structural strength and the tensile property of cable, there is high intensity, anti-extrusion, insulation, fire-retardant performance；But in actual application, the cabling of photovoltaic cable is installed often in order to save overcast or conduit line and adopt multi-thread parallel form, the cable top layer of tradition smooth exterior structure easily occurs the situation of twisted wire in mounting structure that is multi-thread and that walk and needs a lot of supplementary structures to come Progressive symmetric erythrokeratodermia compartment location, install and bother very much, it would be highly desirable to improve.
Summary of the invention
It is an object of the invention to provide a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
nullA 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 circumferentially uniformly arranged in flexible supporting frames，Space between flexible supporting frames and conductor core wire is filled with mineral fire material，Metal screen layer it is enclosed with from inside to outside successively outside flexible supporting frames、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，The bipeltate rod of several annulars uniformly arrangement it is provided with in cushion，Steel wire woven armored layer is coated with heat-conducting layer，Insulation silica gel heat dissipating layer it is extruded with outside heat-conducting layer，Some heat-radiation belts are wrapped up outside insulation silica gel heat dissipating layer，The spiral back side of heat-radiation belt is provided with some detent projection.
As the present invention further technical scheme, described flexible supporting frames is made up of a pushing out ring and brace rod, and a pushing out ring is internal to be connected with three brace rods, and three brace rods will a pushing out ring decile.
As the present invention further technical scheme, conductor core wire is arranged in the cavity that pushing out ring and brace rod surround.
Compared with prior art, the present invention is by flexible supporting frames, cushion and bipeltate rod combinative structure, effectively ambient pressure is got rid of in release, increasing cable anti-extrusion performance, conductor strand bunchy also wraps up the overall structural strength and tensile property that strengthen cable by flexible supporting frames and mg-si master alloy silk braid；The detent projection of cable outer layer is equivalent to positive stop strip, the area of dissipation of optical cable outer layer can also be improved while playing spacing positioning action, effectively the heat that cable produces is diffused in air, cable for multi-thread parallel layout, owing to the detent projection that cable is mutual serves good spacing fixation, effectively prevent the situation that twisted wire and swinging cross are wound around from occurring, provide convenience for wiring.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention 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 fire material, 13-conductor core wire, 110-props up pushing out ring, 111-brace rod.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
nullRefer to Fig. 1～2，A kind of high intensity profile of tooth composite halogen-free photovoltaic line cord，Including flexible supporting frames 11、Conductor core wire 13、Fluoroplastic insulation layer 9、Cushion 6、Steel wire woven armored layer 4、Insulation silica gel heat dissipating layer 1 and heat-radiation belt 3，Described conductor core wire 13 adopts copper product，By anaerobic electrician's round copper rod by continuous annealing Medium drawing mach ine、Little machine drawing is drawn into 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，Space between flexible supporting frames 11 and conductor core wire 13 is filled with mineral fire material 12，Metal screen layer 10 it is enclosed with from inside to outside successively outside flexible supporting frames 11、Fluoroplastic insulation layer 9、Mg-si master alloy silk braid 8、Cushion 6 steel wire woven armored layer 4、Insulation silica gel heat dissipating layer 1 and heat-radiation belt 3，Metal screen layer 10 adopts aluminum foil shielded material，There is well shielding and radioprotective 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 enhances structural strength and tensile property，The bipeltate rod 7 of several annulars uniformly arrangement it is provided with in cushion 6，When external force extrudes，Cushion 6 and bipeltate rod 7 can effectively discharge a part of ambient pressure，It is prevented effectively from the external force impact to conductor core wire 13，There is good protective effect，Steel wire woven armored layer 4 is coated with heat-conducting layer，Insulation silica gel heat dissipating layer 1 it is extruded with outside heat-conducting layer，Some heat-radiation belts 3 are wrapped up outside insulation silica gel heat dissipating layer 1，The spiral back side of heat-radiation belt 3 is provided with some detent projection 2，Detent projection 2 is equivalent to positive stop strip，The area of dissipation of optical cable outer layer can also be improved while playing spacing positioning action，Effectively the heat that cable produces is diffused in air，Cable for multi-thread parallel layout，Owing to the detent projection that cable is mutual serves good spacing fixation，Effectively prevent the situation that twisted wire and swinging cross are wound around from occurring，Provide convenience for wiring.
Described flexible supporting frames 11 is made up of a pushing out ring 110 and brace rod 111; prop up pushing out ring 110 inside to be connected with three brace rods 111; three brace rods 111 will prop up pushing out ring 110 decile; conductor core wire 13 is arranged in the cavity that pushing out ring 110 and brace rod 111 surround; flexible supporting frames 11 discharges eliminating ambient pressure further; effectively protection conductor core wire 13 is from foreign impacts, adds the structural strength of cable, has good anti-extrusion performance.
By flexible supporting frames 11, cushion 6 and bipeltate rod 7 combinative structurees, effectively ambient pressure is got rid of in release, increase cable anti-extrusion performance, the stranded bunchy of conductor core wire 13 also wraps up the overall structural strength and tensile property that strengthen cable by flexible supporting frames 11 and mg-si master alloy silk braid 8, mineral fire material 12, fluoroplastic insulation layer 9 and low smoke, zero halogen polyolefin jacket 9 play good flame-resistant insulation performance, Stability Analysis of Structures, there is high intensity, anti-extrusion, insulation, fire-retardant performance, be effectively ensured the service life of cable.
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 one skilled in the relevant art possesses, it is also possible under the premise without departing from this patent objective, make various change.
Claims (3)
- null1. a high intensity profile of tooth composite halogen-free photovoltaic line cord，It is characterized in that，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 circumferentially uniformly arranged in flexible supporting frames，Space between flexible supporting frames and conductor core wire is filled with mineral fire material，Metal screen layer it is enclosed with from inside to outside successively outside flexible supporting frames、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，The bipeltate rod of several annulars uniformly arrangement it is provided with in cushion，Steel wire woven armored layer is coated with heat-conducting layer，Insulation silica gel heat dissipating layer it is extruded with outside heat-conducting layer，Some heat-radiation belts are wrapped up outside insulation silica gel heat dissipating layer，The spiral back side of heat-radiation belt is provided with some detent projection.
- 2. a kind of high intensity profile of tooth composite halogen-free photovoltaic line cord according to claim 1, it is characterised in that described flexible supporting frames is made up of a pushing out ring and brace rod, a pushing out ring is internal to be connected with three brace rods, and three brace rods will a pushing out 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 conductor core wire is arranged in the cavity that a pushing out ring and brace rod surround.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301236.8A CN105788726A (en) | 2016-04-29 | 2016-04-29 | High-strength tooth-form composite halogen-free photovoltaic line cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301236.8A CN105788726A (en) | 2016-04-29 | 2016-04-29 | High-strength tooth-form composite halogen-free photovoltaic line cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105788726A true CN105788726A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301236.8A Pending CN105788726A (en) | 2016-04-29 | 2016-04-29 | High-strength tooth-form composite halogen-free photovoltaic line cable |
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| CN (1) | CN105788726A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231708A (en) * | 2016-08-30 | 2016-12-14 | 江苏鹏申高温线缆有限公司 | Solar energy special self-control temperature ribbon heater and production technology thereof |
| CN106298044A (en) * | 2016-10-14 | 2017-01-04 | 张家港市新邦电力科技有限公司 | A kind of reinforced copper Baogang signal cable |
| CN106298011A (en) * | 2016-10-31 | 2017-01-04 | 耒阳星宇电线电缆有限公司 | A kind of Compression-resistincable cable with quick heat radiating function |
| CN109448916A (en) * | 2018-12-25 | 2019-03-08 | 苏州驰彭电子科技有限公司 | A kind of cable with high-efficient radiating function |
| CN111301068A (en) * | 2020-03-31 | 2020-06-19 | 宁波市润桥工业设计有限公司 | Method for preventing tire temperature and tire pressure from being too high |
| CN112397243A (en) * | 2020-11-09 | 2021-02-23 | 金泰电缆有限公司 | Anti-interference flame-retardant cable |
| CN114325979A (en) * | 2021-12-09 | 2022-04-12 | 富通集团（嘉善）通信技术有限公司 | Impact-resistant optical cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110017490A1 (en) * | 2008-05-02 | 2011-01-27 | Atomic Energy Council-Institute Of Nuclear Energy Research | Cable for use in a condensing photovoltaic apparatus |
| CN204680454U (en) * | 2015-05-13 | 2015-09-30 | 江西扬帆实业有限公司 | A kind of heat radiation flame retardant type electrical cable |
| CN205050600U (en) * | 2015-11-04 | 2016-02-24 | 陕西永光电力电缆制造有限公司 | Resistant extrusion low smoke and zero halogen photovoltaic cable of high strength |
| CN205621492U (en) * | 2016-04-29 | 2016-10-05 | 施婷婷 | Steamed photovoltaic line cord of compound nothing of high strength profile of tooth |
-
2016
- 2016-04-29 CN CN201610301236.8A patent/CN105788726A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110017490A1 (en) * | 2008-05-02 | 2011-01-27 | Atomic Energy Council-Institute Of Nuclear Energy Research | Cable for use in a condensing photovoltaic apparatus |
| CN204680454U (en) * | 2015-05-13 | 2015-09-30 | 江西扬帆实业有限公司 | A kind of heat radiation flame retardant type electrical cable |
| CN205050600U (en) * | 2015-11-04 | 2016-02-24 | 陕西永光电力电缆制造有限公司 | Resistant extrusion low smoke and zero halogen photovoltaic cable of high strength |
| CN205621492U (en) * | 2016-04-29 | 2016-10-05 | 施婷婷 | Steamed photovoltaic line cord of compound nothing of high strength profile of tooth |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231708A (en) * | 2016-08-30 | 2016-12-14 | 江苏鹏申高温线缆有限公司 | Solar energy special self-control temperature ribbon heater and production technology thereof |
| CN106298044A (en) * | 2016-10-14 | 2017-01-04 | 张家港市新邦电力科技有限公司 | A kind of reinforced copper Baogang signal cable |
| CN106298011A (en) * | 2016-10-31 | 2017-01-04 | 耒阳星宇电线电缆有限公司 | A kind of Compression-resistincable cable with quick heat radiating function |
| CN109448916A (en) * | 2018-12-25 | 2019-03-08 | 苏州驰彭电子科技有限公司 | A kind of cable with high-efficient radiating function |
| CN111301068A (en) * | 2020-03-31 | 2020-06-19 | 宁波市润桥工业设计有限公司 | Method for preventing tire temperature and tire pressure from being too high |
| CN111301068B (en) * | 2020-03-31 | 2023-06-27 | 宁波市润桥工业设计有限公司 | Method for preventing excessive tire temperature and tire pressure |
| CN112397243A (en) * | 2020-11-09 | 2021-02-23 | 金泰电缆有限公司 | Anti-interference flame-retardant cable |
| CN114325979A (en) * | 2021-12-09 | 2022-04-12 | 富通集团（嘉善）通信技术有限公司 | Impact-resistant optical cable |
| CN114325979B (en) * | 2021-12-09 | 2023-09-22 | 富通集团（嘉善）通信技术有限公司 | Shock-resistant optical cable |
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Application publication date: 20160720 |