CN209607746U - A kind of solar cell module isolating bar with unsymmetric structure - Google Patents
A kind of solar cell module isolating bar with unsymmetric structure Download PDFInfo
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- CN209607746U CN209607746U CN201920210458.8U CN201920210458U CN209607746U CN 209607746 U CN209607746 U CN 209607746U CN 201920210458 U CN201920210458 U CN 201920210458U CN 209607746 U CN209607746 U CN 209607746U
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- polyethylene
- solar cell
- cell module
- acetate copolymer
- isolating bar
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Abstract
The utility model relates to a kind of solar cell module isolating bar with unsymmetric structure, belongs to technical field of solar batteries, including support, polyethylene film and polyethylene-polyvinyl acetate copolymer film；Support is made of polyethylene terephthalate；Polyethylene film is located at support side；Polyethylene-polyvinyl acetate copolymer film is located at the other side of support；Polyethylene film is Nian Jie with polyethylene terephthalate support；Polyethylene-polyvinyl acetate copolymer film is connect with support heat seal.Polyethylene-polyvinyl acetate copolymer and isolating bar are directly incorporated into one with isolating bar by the solar cell module with unsymmetric structure of the utility model, and thickness is greater than 400 μm, can directly use (400~600 μm of thickness range)；Wherein, EVA uses heating process for pressing, direct one-pass molding；The time is saved, human cost is reduced energetically while significantly facilitating installation.
Description
Technical field
It is the utility model relates to a kind of solar cell module isolating bar, in particular to a kind of with unsymmetric structure
Solar cell module isolating bar, belongs to technical field of solar batteries.
Background technique
The solar cell module insulating materials that isolating bar is for solar components electrode is isolated, existing component factory are general
Using the EPE of 3M as isolated material.But its loss of properties on aging and splitting power is poor, ultraviolet irradiation lower surface can occur
Xanthochromia etc. is bad, while it uses thermoplasticity E film, and heat resistance is poor, when doing hot spot experiment its will appear blistering etc. it is bad,
Influence properties of product.
" the electrode isolation structural body for solar cell module " entitled disclosed on May 15th, 2013, the patent No.
A kind of electrode isolation for solar cell module is disclosed for the Chinese invention patent application of " CN201310027260.3 "
Structural body, comprising: first layer, the first layer is by polyethylene terephthalate, polycarbonate, poly- naphthalenedicarboxylic acid ethylene glycol
Ester, polybutylene terephthalate (PBT) or polymethyl methacrylate are made；Two second layers, the second layer is by ethylene-vinegar
Vinyl acetate copolymer EVA is made, and described two second layers are separately positioned on the two sides of the first layer；With at least one third
Layer, at least one described third layer is by 90-99 weight % ethylene-vinyl acetate copolymer EVA, 0-5 weight % organic ultraviolet
Light absorbers, 0-5 weight % organic UV stabilizers and the inorganic ultraviolet ray-resistant material of 1-10 weight % are made and are arranged in
On at least one of described two second layers；But the said goods, client is when in use, it is also necessary to close to glass
The upper dedicated polyethylene-polyvinyl acetate copolymer of one layer of photovoltaic of one side pad (Polyethylene vinylacetate,
EVA) film uses simultaneously, not only time-consuming but also waste EVA film.
Therefore, how " integration " concept to be applied on solar cell module isolating bar, is guaranteeing that component is reliable
Property under the premise of, push away to provide and a kind of save the time, reduce human cost energetically while significantly facilitating the solar battery group of installation
Part isolating bar just becomes technical field technical problem urgently to be solved.
Utility model content
The purpose of this utility model is, for existing solar cell module isolating bar there are the drawbacks of, develop one kind
The time is saved, reduces human cost energetically while significantly facilitating the solar cell module isolating bar of installation.
To achieve the above object, the utility model takes following technical scheme:
A kind of solar cell module isolating bar with unsymmetric structure, it is characterised in that: including support, poly- second
Alkene (polyethylene, abbreviation PE) film and polyethylene-polyvinyl acetate copolymer (Polyethylene
Vinylacetate, EVA) film；The support is made of polyethylene terephthalate (PET)；The polyethylene
(polyethylene, abbreviation PE) film is located at support side；Polyethylene-the polyvinyl acetate copolymer
(Polyethylene vinylacetate, EVA) film is located at the other side of support；The polyethylene (polyethylene,
Abbreviation PE) film is Nian Jie with the polyethylene terephthalate (PET) support；Polyethylene-the polyvinyl acetate copolymerization
Object (Polyethylene vinylacetate, EVA) film and the polyethylene terephthalate (PET) support heat seal connect
It connects.
Preferably, polyethylene (polyethylene, the abbreviation PE) film and the polyethylene terephthalate (PET)
Adhesive coating is equipped between support.
Preferably, polyethylene-polyvinyl acetate copolymer (Polyethylene vinylacetate, EVA) film
Ultraviolet cutoff rate be 98.5%.
Preferably, polyethylene-polyvinyl acetate copolymer (Polyethylene vinylacetate, EVA) film
Tensile strength (MPa) >=17, it is seen that light transmission (%) >=87, elongation at break (%) >=650, mist rate (%) 0.6.
Preferably, polyethylene-polyvinyl acetate copolymer (Polyethylene vinylacetate, EVA) film
Adhesive strength (kg/cm) >=2, water absorption rate (%)≤0.15.
Preferably, polyethylene-polyvinyl acetate copolymer (Polyethylene vinylacetate, EVA) film
It is organic by 90-99 weight % ethylene-vinyl acetate copolymer EVA, 0-5 weight % organic uv absorbers, 0-5 weight %
Ultra-violet stabilizer and the inorganic ultraviolet ray-resistant material of 1-10 weight % are made.
Preferably, the solar cell module isolating bar with unsymmetric structure with a thickness of 400~600 μm.
Utility model has the advantages that
The solar cell module with unsymmetric structure of the utility model is with isolating bar directly by the dedicated friendship of photovoltaic
It is whole with isolating bar to join EVA film (polyethylene-polyvinyl acetate copolymer (Polyethylene vinylacetate, EVA) film)
It closes in one, thickness is greater than 400 μm, can directly use (400~600 μm of thickness range)；Wherein, dedicated crosslinked EVA uses
Heat process for pressing, direct one-pass molding；The time is saved, human cost is reduced energetically while significantly facilitating installation.
The utility model is described further below by the drawings and specific embodiments, but is not meant to this reality
With the limitation of novel protected range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the solar cell module isolating bar that the utility model has unsymmetric structure.
Main appended drawing reference explanation:
1 EVA film, 2 PET support
3 adhesive coating, 4 PE film
Specific embodiment
Embodiment 1
As shown in Figure 1, being that there is the utility model the structure of the solar cell module isolating bar of unsymmetric structure to show
It is intended to, wherein 1 is EVA film (polyethylene-polyvinyl acetate copolymer (Polyethylene vinylacetate, EVA)
Film), 2 be PET support (polyethylene terephthalate support), and 3 be adhesive coating, and 4 be PE film (polyethylene
(polyethylene, abbreviation PE) film)；The solar cell module isolating bar with unsymmetric structure of the utility model,
Including PET support 2, PE film 4, adhesive coating 3 and EVA film 1；The position PE film 4 (polyethylene, polyethylene, abbreviation PE)
In 2 side of PET support；EVA film 1 (polyethylene-polyvinyl acetate copolymer, Polyethylene vinylacetate,
EVA) it is located at the other side of PET support 2；Between PE film 4 (polyethylene, polyethylene, abbreviation PE) and PET support 2
It is bonded by adhesive coating 3；EVA film 1 (polyethylene-polyvinyl acetate copolymer, Polyethylene
Vinylacetate, EVA) it is connect with 2 heat seal of PET support.
The utility model has the EVA film (polyethylene-poly-vinegar in the solar cell module isolating bar of unsymmetric structure
Vinyl acetate copolymer, Polyethylene vinylacetate, EVA) ultraviolet cutoff rate be 98.5%.
The utility model has the EVA film (polyethylene-poly-vinegar in the solar cell module isolating bar of unsymmetric structure
Vinyl acetate copolymer, Polyethylene vinylacetate, EVA) tensile strength (MPa) >=17, it is seen that light transmission
(%) >=87, elongation at break (%) >=650, mist rate (%) 0.6.
The utility model has the EVA film (polyethylene-poly-vinegar in the solar cell module isolating bar of unsymmetric structure
Vinyl acetate copolymer, Polyethylene vinylacetate, EVA) adhesive strength (kg/cm) >=2, water absorption rate (%)
≤0.15。
The utility model has the EVA film (polyethylene-poly-vinegar in the solar cell module isolating bar of unsymmetric structure
Vinyl acetate copolymer, Polyethylene vinylacetate, EVA) it is copolymerized by 90-99 weight % ethylene-vinyl acetate
Object EVA, 0-5 weight % organic uv absorbers, 0-5 weight % organic UV stabilizers and the inorganic anti-purple of 1-10 weight %
Outside material is made.
The utility model has the EVA film (polyethylene-poly-vinegar in the solar cell module isolating bar of unsymmetric structure
Vinyl acetate copolymer, Polyethylene vinylacetate, EVA) it is used with PET support 2 and heats process for pressing, directly
Connect one-pass molding.
The utility model have unsymmetric structure solar cell module isolating bar with a thickness of 400~600 μm.
Claims (10)
1. a kind of solar cell module isolating bar with unsymmetric structure, it is characterised in that: including support, polyethylene
Film and polyethylene-polyvinyl acetate copolymer film；The support is made of polyethylene terephthalate；The polyethylene
Film is located at support side；The polyethylene-polyvinyl acetate copolymer film is located at the other side of support；The polyethylene
Film is Nian Jie with the polyethylene terephthalate support；The polyethylene-polyvinyl acetate copolymer film and the branch
It holds body heat and closes connection.
2. the solar cell module isolating bar according to claim 1 with unsymmetric structure, it is characterised in that: institute
It states and is equipped with adhesive coating between polyethylene film and the support.
3. the solar cell module isolating bar according to claim 2 with unsymmetric structure, it is characterised in that: institute
Stating polyethylene-polyvinyl acetate copolymer film ultraviolet cutoff rate is 98.5%.
4. the solar cell module isolating bar according to claim 3 with unsymmetric structure, it is characterised in that: institute
State polyethylene-polyvinyl acetate copolymer film tensile strength >=17.
5. the solar cell module isolating bar according to claim 4 with unsymmetric structure, it is characterised in that: institute
State polyethylene-polyvinyl acetate copolymer film transmission of visible light >=87.
6. the solar cell module isolating bar according to claim 5 with unsymmetric structure, it is characterised in that: institute
State polyethylene-polyvinyl acetate copolymer film elongation at break >=650.
7. the solar cell module isolating bar according to claim 6 with unsymmetric structure, it is characterised in that: institute
State polyethylene-polyvinyl acetate copolymer film mist rate 0.6.
8. the solar cell module isolating bar according to claim 7 with unsymmetric structure, it is characterised in that: institute
State polyethylene-polyvinyl acetate copolymer film adhesive strength >=2.
9. the solar cell module isolating bar according to claim 8 with unsymmetric structure, it is characterised in that: institute
State polyethylene-polyvinyl acetate copolymer film water absorption rate≤0.15.
10. the solar cell module isolating bar according to claim 9 with unsymmetric structure, it is characterised in that:
The solar cell module isolating bar with unsymmetric structure with a thickness of 400~600 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210458.8U CN209607746U (en) | 2019-02-19 | 2019-02-19 | A kind of solar cell module isolating bar with unsymmetric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210458.8U CN209607746U (en) | 2019-02-19 | 2019-02-19 | A kind of solar cell module isolating bar with unsymmetric structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209607746U true CN209607746U (en) | 2019-11-08 |
Family
ID=68402539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920210458.8U Active CN209607746U (en) | 2019-02-19 | 2019-02-19 | A kind of solar cell module isolating bar with unsymmetric structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209607746U (en) |
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2019
- 2019-02-19 CN CN201920210458.8U patent/CN209607746U/en active Active
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