CN206774306U - A kind of solar photovoltaic generation system computer and instrument cable - Google Patents
A kind of solar photovoltaic generation system computer and instrument cable Download PDFInfo
- Publication number
- CN206774306U CN206774306U CN201720601128.2U CN201720601128U CN206774306U CN 206774306 U CN206774306 U CN 206774306U CN 201720601128 U CN201720601128 U CN 201720601128U CN 206774306 U CN206774306 U CN 206774306U
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- China
- Prior art keywords
- layer
- cable
- core
- generation system
- solar photovoltaic
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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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Abstract
A kind of solar photovoltaic generation system computer and instrument cable, including cable core are the utility model is related to, the packed layer that cable core is set by three groups of unit cores being distributed in triangle disposition together with its periphery is twisted；Each unit core is formed by two groups of conductor core wire pair twists, is disposed with interior lapping layer, subitem screen layer, outer lapping layer from inside to outside outside unit core；The conductor core wire is made up of conductor, flame retardant coating, insulating barrier；Core wrap, total screen layer, enhancement layer, oversheath are sequentially provided with from inside to outside outside cable core.Solar photovoltaic generation system computer and instrument cable provided by the utility model, U is exchanged suitable for the rated voltage of LSOH anti-flaming, resistance to ozone, acid and alkali-resistance, the resistance to amblent air temperature requirement of salt fog resistance0/ U is 300/500V electronic computer systems, monitoring loop, the signal transmission of automation control system and detecting instrument, instrument cable for connecting, can meet the needs of practical application well.
Description
Technical field
The utility model belongs to field of cable technology, and in particular to a kind of solar photovoltaic generation system computer and instrument
Table cable.
Background technology
With solar energy generation technology application increasingly extensively, also bring machine for relative photovoltaic cable industry
Meet.Due to solar energy system usually (such as high temperature, ultraviolet radiation, ozone, dramatic temperature change, change in harsh environments
Learn to corrode and drenched with wind and rain) use, therefore photovoltaic cable must resist extreme climate environment, it is desirable to it is amenable to blast heavy rain
Mechanical shock, UV resistant and ozone attack, large-scale temperature change etc. can be born.
Traditional photovoltaic cable is due to its material, structure, the limitation of technique, in photovoltaic plant construction and running
In, photovoltaic plant equipment connecting cable still uses normal cable.Because normal cable does not account for again in design and manufacturing process
Miscellaneous changeable photovoltaic plant uses and laid the factors such as environment and can not meet requirement, because cable factor causes photovoltaic plant
Quality problems take place frequently；Quality is asked caused by particularly the performance of normal cable in itself can not meet the requirement of power station use environment
Inscribe particularly evident.
Utility model content
For above-mentioned problems of the prior art, the purpose of this utility model is that providing one kind can avoid the occurrence of
State the solar photovoltaic generation system computer and instrument cable of technological deficiency.
In order to realize above-mentioned purpose of utility model, the technical scheme that the utility model is provided is as follows：
A kind of solar photovoltaic generation system computer and instrument cable, including cable core, cable core is by triangle disposition point
Three groups of unit cores of cloth are twisted together with the packed layer 3 that its periphery is set；Each unit core is by two groups of conductor cores
The pair twist of line 1 forms, and is disposed with interior lapping layer 2-1, subitem screen layer 2-2, outer lapping layer from inside to outside outside unit core
2-3；The conductor core wire 1 is made up of conductor 1-1, flame retardant coating 1-2, insulating barrier 1-3；Cable core is sequentially provided with from inside to outside outside cable core
Lapping layer 4, total screen layer 5, enhancement layer 6, oversheath 7.
Further, flame retardant coating 1-2 is made up of double-deck mica tape.
Further, insulating barrier 1-3 is made of 125 DEG C of irradiation crosslinked polyolefin insulating material.
Further, packed layer 3 is made up of the inorganic paper string material of high fire-retardance.
Further, core wrap 4 is made up of low-smoke non-halogen flame-retardant alkali-free glass fiber band.
Further, enhancement layer 6 is made up of high-strength composite fibrous material.
Further, total screen layer 5 is made of aluminium-plastic tape.
Further, sub-shield 2-2 is made of aluminium-plastic tape.
Solar photovoltaic generation system computer and instrument cable provided by the utility model, hindered suitable for low smoke, zero halogen
Combustion, resistance to ozone, acid and alkali-resistance, the rated voltage exchange U of the resistance to amblent air temperature requirement of salt fog resistance0/ U is 300/500V electronic computers system
System, monitoring loop, the signal transmission of automation control system and detecting instrument, instrument cable for connecting, can meet well
The needs of practical application.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure, 1- conductor core wires, 1-1- conductors, 1-2- flame retardant coatings, 1-3- insulating barriers, lapping layer in 2-1-, 2-2- subitems
Screen layer, the outer lapping layers of 2-3-, 3- packed layers, 4- core wraps, the total screen layers of 5-, 6- enhancement layers, 7- oversheaths.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with the accompanying drawings and specifically
Embodiment is described further to the utility model.It should be appreciated that specific embodiment described herein is only explaining this reality
With new, it is not used to limit the utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
As shown in figure 1, a kind of solar photovoltaic generation system computer and instrument cable, including cable core, cable core by
Three groups of unit cores of triangle disposition distribution are twisted together with the packed layer 3 that its periphery is set；Each unit core by
Two groups of pair twists of conductor core wire 1 form, and are disposed with interior lapping layer 2-1, subitem screen layer 2- from inside to outside outside unit core
2nd, outer lapping layer 2-3；The conductor core wire 1 is made up of conductor 1-1, flame retardant coating 1-2, insulating barrier 1-3；Outside cable core from inside to outside according to
It is secondary to be provided with core wrap 4, total screen layer 5, enhancement layer 6, oversheath 7.
Conductor 1-1 be meet the 1st as defined in GB/T3956, the metal cladding of 2 kind or the 5th kind structure or not metal cladding
Annealing copper conductor.
Flame retardant coating 1-2 is made up of double-deck mica tape, and double-deck Mica tape is on conductor 1-1, per the overlapping of stratus master tape
Rate >=15%.
125 DEG C of irradiation crosslinked polyolefin insulating material and protective cover material has been respectively adopted in insulating barrier 1-3 and oversheath 7, as long as its
Residing environment temperature and the maximum operating temperature of cable conductor are not higher than 125 DEG C, and insulating properties drop will not occur for the cable
The problem of low or failure, sheath protective effect are reduced or lost.The low temperature resistant limit of protective cover material of the other cable is -40 DEG C, energy
Enough meet the low temperature environment requirement in the most areas in China.
Each unit core is twisted by two groups of conductor core wires 1 of different colour codes by pair twister, during pair twist,
Pair twist pitch is strictly controlled, and ensures that the pitch of adjacent lines pair is different and without even bit relation, to prevent non-return road phase
Mutually interference, then on its surface, wrapped non-hygroscopic band tightens.
Sub-shield 2-2 is wrapped using aluminum foil polyester composite strip after each twisted pair wire group is twisted, and wrapped cap rate is
25%-45%；The ground connection drainage thread that a tinned wird is twisted is provided with sub-shield 2-2, and it is compound with aluminium foil polyester
The aluminium lamination of band is in contact；Further around bag polyester film outside composite band, it is ensured that sub-shield 2-2 electrical isolation.Wherein, aluminium foil
The thickness of aluminium and polyester is respectively 0.015mm and 0.025mm in polyester composite band；The thickness of polyester film outside sub-shield 2-2
It is 25%-30% to spend for 0.03mm, its wrapped cap rate；The resistance of tinned wird as ground connection drainage thread need to meet IEC
60092-376 regulation.
Total screen layer 5 is wrapped using polyester film outside cable core, and wrapped cap rate is not less than 25%；Outside polyester film around
Aluminium foil polyester composite band, the ground connection drainage thread for needing a tinned copper wire to be twisted in shielding, drainage thread and aluminium foil polyester
The aluminium lamination of composite band is in contact, and the wrapped cap rate of aluminum foil polyester composite strip is controlled 20% -45%；Then in aluminium foil polyester
Further around bag polyester film outside the wrapped shielding of composite band, cap rate is 25%~30%.Wherein, in aluminum foil polyester composite strip aluminium and
The thickness of polyester is respectively 0.015ram and 0.025mm；The thickness of polyester film outside shielding is 0.03mm, its wrapped cap rate
For 25% -30%；The resistance of tinned wird as ground connection drainage thread need to meet IEC60092-376 regulation.
Packed layer 3 is made up of the inorganic paper string material of high fire-retardance.Core wrap 4 is low-smoke non-halogen flame-retardant alkali-free glass fiber band system
Into.Enhancement layer 6 is made up of high-strength composite fibrous material.
The utility model using double-deck mica tape form flame retardant coating 1-2 is wrapped, made of the inorganic paper string material of high fire-retardance
Packed layer 3 is filled, and the core wrap 4 that low-smoke non-halogen flame-retardant alkali-free glass fiber band is formed is wrapped, both ensure that the tight of the construction of cable
Gathering property, the fire resistant flame retardant performance of cable is improved again；
The sub-shield 2-2 and total screen layer 5 of cable are made of aluminium-plastic tape, external diameter is small, it is in light weight, soft,
Protection against the tide, shield effectiveness are good；
125 DEG C of irradiation crosslinked polyolefin insulating material and protective cover material has been respectively adopted in the insulating barrier 1-3 and oversheath 7 of cable,
Make that product has excellent electric property, LSOH anti-flaming, weather-proof, proof voltage, dielectric coefficient is small, signal transmission quality is high etc.
Performance；Product is provided with enhancement layer 6 made of high-strength composite fibrous material, and the tension for improving cable resistance to drags performance.
Solar photovoltaic generation system computer and instrument cable provided by the utility model, hindered suitable for low smoke, zero halogen
Combustion, resistance to ozone, acid and alkali-resistance, the rated voltage exchange U of the resistance to amblent air temperature requirement of salt fog resistance0/ U is 300/500V electronic computers system
System, monitoring loop, the signal transmission of automation control system and detecting instrument, instrument cable for connecting, can meet well
The needs of practical application.
Embodiment described above only expresses embodiment of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope can not be interpreted as.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. a kind of solar photovoltaic generation system computer and instrument cable, it is characterised in that including cable core, cable core by
The packed layer (3) that three groups of unit cores of triangle disposition distribution are set together with its periphery is twisted；Each unit core
Formed by two groups of conductor core wire (1) pair twists, be disposed with interior lapping layer (2-1), subitem screen from inside to outside outside unit core
Cover layer (2-2), outer lapping layer (2-3)；The conductor core wire (1) is by conductor (1-1), flame retardant coating (1-2), insulating barrier (1-3) structure
Into；Core wrap (4), total screen layer (5), enhancement layer (6), oversheath (7) are sequentially provided with from inside to outside outside cable core.
2. solar photovoltaic generation system computer according to claim 1 and instrument cable, it is characterised in that fire resisting
Layer (1-2) is made up of double-deck mica tape.
3. solar photovoltaic generation system computer according to claim 1 and instrument cable, it is characterised in that insulation
Layer (1-3) is made of 125 DEG C of irradiation crosslinked polyolefin insulating material.
4. solar photovoltaic generation system computer according to claim 1 and instrument cable, it is characterised in that filling
Layer (3) is made up of the inorganic paper string material of high fire-retardance.
5. solar photovoltaic generation system computer according to claim 1 and instrument cable, it is characterised in that cable core
Lapping layer (4) is made up of low-smoke non-halogen flame-retardant alkali-free glass fiber band.
6. solar photovoltaic generation system computer according to claim 1 and instrument cable, it is characterised in that strengthen
Layer (6) is made up of high-strength composite fibrous material.
7. solar photovoltaic generation system computer according to claim 1 and instrument cable, it is characterised in that total screen
Layer (5) is covered to be made of aluminium-plastic tape.
8. solar photovoltaic generation system computer according to claim 1 and instrument cable, it is characterised in that split screen
Layer (2-2) is covered to be made of aluminium-plastic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601128.2U CN206774306U (en) | 2017-05-26 | 2017-05-26 | A kind of solar photovoltaic generation system computer and instrument cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601128.2U CN206774306U (en) | 2017-05-26 | 2017-05-26 | A kind of solar photovoltaic generation system computer and instrument cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774306U true CN206774306U (en) | 2017-12-19 |
Family
ID=60639042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720601128.2U Expired - Fee Related CN206774306U (en) | 2017-05-26 | 2017-05-26 | A kind of solar photovoltaic generation system computer and instrument cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206774306U (en) |
-
2017
- 2017-05-26 CN CN201720601128.2U patent/CN206774306U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |