CN205015253U - Photovoltaic backplate chlorion permeability testing arrangement - Google Patents
Photovoltaic backplate chlorion permeability testing arrangement Download PDFInfo
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- CN205015253U CN205015253U CN201520628773.4U CN201520628773U CN205015253U CN 205015253 U CN205015253 U CN 205015253U CN 201520628773 U CN201520628773 U CN 201520628773U CN 205015253 U CN205015253 U CN 205015253U
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- pond
- osmotic cell
- chlorion
- connecting cylinder
- photovoltaic back
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Abstract
The utility model discloses a photovoltaic backplate chlorion permeability testing arrangement, including the seepage basin, see through the pond, a conductance electrode, two graphite electrode and a conductivity meter, the splendid attire has high concentration sodium chloride solution in the seepage basin, the splendid attire has low concentration sodium chloride solution in seeing through the pond, the seepage basin and see through the pond in all be provided with the agitator, the seepage basin is connected with the connecting cylinder that sees through between the pond through horizontal setting, the vertical cartridge of photovoltaic backplate that awaits measuring is in the middle of the connecting cylinder, it controls two parts to separate into the looks rupturable with the connecting cylinder, two parts are linked together with the seepage basin with through the pond respectively about the looks rupturable, the conductance electrode is located through the pond, and be close to the photovoltaic backplate, the conductivity meter is connected with the conductance electrode, two graphite electrode are located the seepage basin respectively and see through the pond, two graphite electrode all are connected with constant voltage power supply. The device simple structure, the chlorion permeability ability that can test the photovoltaic backplate fast.
Description
Technical field
The utility model relates to a kind of testing apparatus for photovoltaic back performance, specifically refers to photovoltaic back chlorion permeability proving installation.
Background technology
As everyone knows, photovoltaic module design service life requires more than 25 years, therefore, it is also proposed corresponding working life demands to the supplementary material of constituent components.Backboard, as the critical material being only second to cell piece in photovoltaic module, is positioned at the outermost layer of assembly, plays protection and supporting role to photovoltaic module.Water vapour permeability is the important indicator weighing photovoltaic back performance.If the transmitance of backboard water vapour is larger, bad to the barrier of water vapor, moisture then in air can enter in photovoltaic module through backboard, cause the hydrolysis of packaging adhesive film (EVA), the grid line on cell piece oxidation and cell piece surface and the corrosion of silver slurry, finally affect the generating efficiency of photovoltaic module.
At present, the water vapor transmittance of common concern photovoltaic back in industry, for the very few concern of impact that the chlorion extensively existed in the naval air environment by the sea, residing for the photovoltaic module of island application decay on photovoltaic module generating efficiency.Single from particle radii, the radius of hydrone is about the same with the radius of chlorion, and all at 0.2 ran, and chlorion is polar particle, under electric field action, more easily migrate to component internal, causes the corrosion that in assembly, grid line or silver are starched.Especially at the photovoltaic module of the coastal use of China's humid tropics, due to the combined action of chlorion in air and steam, on the impact of assembly generating efficiency by even more serious.
In order to the situation of change of chlorion permeability before and after experimental study photovoltaic component back plate material aging, applicant spy proposes this proving installation.
Utility model content
The purpose of this utility model is to provide photovoltaic back chlorion permeability proving installation, and this apparatus structure is simple, can test the chlorion through performance of photovoltaic back fast.
Above-mentioned purpose of the present utility model is achieved by the following technical programs: photovoltaic back chlorion permeability proving installation, it is characterized in that: described proving installation comprises osmotic cell, through pond, a conductance electrode, two panels graphite electrode and a conductivity meter, high concentration sodium chloride solution is loaded with in described osmotic cell, described through being loaded with low concentration sodium chloride solution in pond, described osmotic cell and be provided with stirrer through in pond, described osmotic cell is connected with through the connecting cylinder by horizontally set between pond, photovoltaic back to be measured is vertically inserted in the middle of connecting cylinder, connecting cylinder is divided into the left and right two parts be isolated, the left and right two parts be isolated are connected with through pond with described osmotic cell respectively, described conductance electrode is positioned at described through pond, and near photovoltaic back, described conductivity meter is connected with described conductance electrode, be used for monitor through chlorion in pond through after cause electrical conductivity of solution change, described two panels graphite electrode lay respectively at osmotic cell with through in pond, and be all positioned at the side of pond away from photovoltaic back, two panels graphite electrode is all connected with stabilized voltage supply, stable electric field is imposed by stabilized voltage supply.
In the utility model, described connecting cylinder is packing washer, the left and right sides of packing washer is bonded in described osmotic cell and respectively through on pond, described osmotic cell and being connected through the fastening bolt also by horizontally set between pond, fastening bolt fitted seal packing ring is to ensure osmotic cell and non-leakage through the solution in pond.
In the utility model, the recommended density of described high concentration sodium chloride solution is 10 ~ 50g/L, and the recommended density of described low concentration sodium chloride solution is 0.1 ~ 0.5mg/L.
In the utility model, described osmotic cell with all there is top cover through pond, top cover all offers fluid infusion mouth, sodium chloride solution or deionized water can be added in pond by fluid infusion mouth, supplement the solution loss in test process.
Proving installation of the present utility model comprises the osmotic cell that holds sodium-chloride water solution and through pond, both sides are connectivity structure, is middlely separated by photovoltaic back, and osmotic cell is bonded with packing washer.Osmotic cell be connected fastening through four bolts in pond, fitted seal packing ring ensures that solution is non-leakage in test process.
Compared with prior art, the utility model has following beneficial effect:
(1) in the testing permeability of photovoltaic back requires, only relate to water vapo(u)r transmission test and permeability test, not yet have the equipment for the test of chlorion permeability.Increasingly extensive along with photovoltaic generation application, by the sea, the assembly that uses under the naval air environment such as island, the impact of chlorion on its life-span is very important.The device developed in the utility model can test the chlorion of photovoltaic back quickly and easily through behavior.
(2) device of the utility model design, is applied with electric field by graphite electrode and stabilized voltage supply, simulates the state residing for photovoltaic module power generation process dorsulum more realistically in osmotic cell.
(3) photovoltaic module is when Various Seasonal, different regions use, and assembly surface temperature can be different, assembly generate electricity by day and night not in power generation process surface temperature be also more big changes.The device of the utility model design, by the temperature that water bath with thermostatic control can allow osmotic cell keep different in test process, also by the temperature of regulating thermostatic water-bath, the temperature of solution in osmotic cell can be changed, the state of simulated light photovoltaic assembly use procedure dorsulum better.
(4) backboard that the utility model is used for testing can without aging, also can be aging after back veneer material, test result can directly contrast backplane aging front and back, the diactinic difference of chlorion, also can by the ageing-resistant performance of chlorion through performance reflection backboard.
(5) compared to existing water vapo(u)r transmission proving installation and permeability proving installation, device of the present utility model is more simple, easy to operate, low price.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Fig. 1 is the utility model photovoltaic back chlorion permeability proving installation;
Fig. 2 is the vertical view of osmotic cell in the utility model photovoltaic back chlorion permeability proving installation;
Fig. 3 is the right view of osmotic cell in the utility model photovoltaic back chlorion permeability proving installation;
Fig. 4 is the structural drawing of osmotic cell cover plate in the utility model photovoltaic back chlorion permeability proving installation;
Fig. 5 is the structural drawing through pond cover plate in the utility model photovoltaic back chlorion permeability proving installation.
Description of reference numerals
1, osmotic cell; 2, through pond; 3, packing washer; 4, photovoltaic back; 5, stirrer; 6, conductance electrode; 7, graphite electrode; 8, stabilized voltage supply; 9, conductivity meter; 10, fastening bolt holes; 11, osmotic cell cover plate; 12, through pond cover plate.
Embodiment
Photovoltaic back chlorion permeability proving installation as shown in Figures 1 to 5, this proving installation comprises osmotic cell 1, through pond 2, a conductance electrode 6, two panels graphite electrode 7 and a conductivity meter 9, osmotic cell 1 with all there is top cover through pond 2, wherein, the top cover that osmotic cell 1 has is osmotic cell cover plate 11, the top cover had through pond 2 is through pond cover plate 12, osmotic cell 1 with all offer fluid infusion mouth through on the top cover in pond 2, sodium chloride solution or deionized water can be added in pond by fluid infusion mouth, supplement the solution loss in test process, the high concentration sodium chloride solution that concentration is 30g/L is loaded with in osmotic cell 1, through being loaded with the low concentration sodium chloride solution that concentration is 0.1mg/L in pond 2, osmotic cell 1 and be provided with stirrer 5 through in pond 2, the top of stirrer 5 is stretched out through after top cover.
Osmotic cell 1 is connected with through the connecting cylinder by horizontally set between pond 2, photovoltaic back 4 to be measured is vertically inserted in the middle of connecting cylinder, connecting cylinder is divided into the left and right two parts be isolated, the left and right two parts be isolated are connected with through pond 2 with osmotic cell 1 respectively, photovoltaic back 4 ensures when fixing that its air surface (air face) is towards osmotic cell 1, conductance electrode 6 is positioned at through pond 2, and near photovoltaic back 4, conductivity meter 9 is connected with conductance electrode 6, be used for monitor through chlorion in pond 2 through after cause electrical conductivity of solution change, two panels graphite electrode 7 lay respectively at osmotic cell 1 with through in pond 2, and be all positioned at the side of pond away from photovoltaic back 4, two panels graphite electrode 7 is all connected with stabilized voltage supply 8, stable electric field is imposed by stabilized voltage supply 8.
In the present embodiment, connect osmotic cell 1 and be packing washer 3 through the connecting cylinder in pond 2, the left and right sides of packing washer 3 is bonded in osmotic cell 1 and respectively through on pond 2, osmotic cell 1 and being connected through four fastening bolts also by horizontally set between pond 2, four fastening bolts lay respectively at four edges, fastening bolt is through fastening bolt holes, and fitted seal packing ring 3 is to ensure osmotic cell 1 and non-leakage through the solution in pond 2.Connecting cylinder also can adopt other resilient material to make, and ensures the installation location of photovoltaic back 4, can ensure again osmotic cell 1 and non-leakage through the solution in pond 2 simultaneously.
The whole proving installation of the present embodiment all can be placed in the water bath with thermostatic control of different temperatures, in order to test chlorion under different temperatures through effect.
As the conversion of the present embodiment, the concentration of high concentration sodium chloride solution also can within the scope of 10 ~ 50g/L value, the concentration of low concentration sodium chloride solution also can within the scope of 0.1 ~ 0.5mg/L value.
Above-described embodiment of the present utility model is not the restriction to the utility model protection domain; embodiment of the present utility model is not limited thereto; all this kind is according to foregoing of the present utility model; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; to the amendment of other various ways that the utility model said structure is made, replacement or change, all should drop within protection domain of the present utility model.
Claims (3)
1. photovoltaic back chlorion permeability proving installation, it is characterized in that: described proving installation comprises osmotic cell, through pond, a conductance electrode, two panels graphite electrode and a conductivity meter, high concentration sodium chloride solution is loaded with in described osmotic cell, described through being loaded with low concentration sodium chloride solution in pond, described osmotic cell and be provided with stirrer through in pond, described osmotic cell is connected with through the connecting cylinder by horizontally set between pond, photovoltaic back to be measured is vertically inserted in the middle of connecting cylinder, connecting cylinder is divided into the left and right two parts be isolated, the left and right two parts be isolated are connected with through pond with described osmotic cell respectively, described conductance electrode is positioned at described through pond, and near photovoltaic back, described conductivity meter is connected with described conductance electrode, be used for monitor through chlorion in pond through after cause electrical conductivity of solution change, described two panels graphite electrode lay respectively at osmotic cell with through in pond, and be all positioned at the side of pond away from photovoltaic back, two panels graphite electrode is all connected with stabilized voltage supply, stable electric field is imposed by stabilized voltage supply.
2. photovoltaic back chlorion permeability proving installation according to claim 1, it is characterized in that: described connecting cylinder is packing washer, the left and right sides of packing washer is bonded in described osmotic cell and respectively through on pond, described osmotic cell and being connected through the fastening bolt also by horizontally set between pond, fastening bolt fitted seal packing ring is to ensure osmotic cell and non-leakage through the solution in pond.
3. photovoltaic back chlorion permeability proving installation according to claim 1, it is characterized in that: the concentration of described high concentration sodium chloride solution is 10 ~ 50g/L, the concentration of described low concentration sodium chloride solution is 0.1 ~ 0.5mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628773.4U CN205015253U (en) | 2015-08-19 | 2015-08-19 | Photovoltaic backplate chlorion permeability testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628773.4U CN205015253U (en) | 2015-08-19 | 2015-08-19 | Photovoltaic backplate chlorion permeability testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205015253U true CN205015253U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520628773.4U Expired - Fee Related CN205015253U (en) | 2015-08-19 | 2015-08-19 | Photovoltaic backplate chlorion permeability testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115876A (en) * | 2015-08-19 | 2015-12-02 | 中国电器科学研究院有限公司 | Photovoltaic backboard chloride ion permeability testing method and device |
-
2015
- 2015-08-19 CN CN201520628773.4U patent/CN205015253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115876A (en) * | 2015-08-19 | 2015-12-02 | 中国电器科学研究院有限公司 | Photovoltaic backboard chloride ion permeability testing method and device |
| CN105115876B (en) * | 2015-08-19 | 2017-12-19 | 中国电器科学研究院有限公司 | Photovoltaic back chlorion permeability method of testing and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510302 No. 204 Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Patentee after: China Electrical Appliance Research Institute Co., Ltd. Address before: 510302 No. 204 West Xingang Road, Guangdong, Guangzhou Patentee before: China National Electric Apparatus Research Institute Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20190819 |