CN105470324A - Solar cell module with automatic warning function - Google Patents
Solar cell module with automatic warning function Download PDFInfo
- Publication number
- CN105470324A CN105470324A CN201510923183.9A CN201510923183A CN105470324A CN 105470324 A CN105470324 A CN 105470324A CN 201510923183 A CN201510923183 A CN 201510923183A CN 105470324 A CN105470324 A CN 105470324A
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- Prior art keywords
- emitting diode
- light
- solar module
- automatic alarm
- diode
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- 230000000694 effects Effects 0.000 abstract description 22
- 238000000034 method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/142—Energy conversion devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a solar cell module with an automatic warning function. A common bypass diode is replaced by a light emitting diode; when the solar cell module is in normal use, the light emitting diode is in a reverse bias state, and the diode does not emit lights; when a hot spot effect occurs, the light emitting diode is forwardly conducted, and the diode emits lights; and therefore, the modules with the hot spot effect can be found easily, and a certain measures can be taken to eliminate the hot spot effect so as to ensure more power output from a photovoltaic power station.
Description
Technical field
The present invention relates to solar module technical field, be specially a kind of automatic alarm solar module.
Background technology
Along with the development of people's life, the application of photovoltaic module is more and more extensive.In actual applications, photovoltaic module is composed in series by some cell pieces.In order to reach higher photoelectric conversion efficiency, each the block cell piece in same assembly all must have similar characteristic.In use, may occur that one or a Battery pack do not mate, as shadowed layer, there is crackle in cell piece, inner Joint failure etc., these batteries will be taken as other energy having the solar module of illumination to produce of load consumption, and these fail batteries will generate heat, and are called hot spot effect.Because local local temperature hot spot effect occurring serious may be higher, cause assembly regional area to burn or form blackening, the permanent damage such as solder joint melts, aging, the glass rupture of encapsulating material, welding corrosion, cause great hidden danger to the safety and reliability of assembly.Therefore assembly all adopts the mode installing bypass diode additional to reduce the impact of hot spot effect at present.
In prior art, the assembly of 60 cell pieces has three bypass diodes.When there is hot spot effect, assembly easily damages, and this only has the electric power of 2/3rds to export.But the assembly of hot spot effect occurs and is not easy be it is found that.
Summary of the invention
Object of the present invention is exactly defect for above-mentioned existence and provides a kind of automatic alarm solar module.The present invention changes common bypass diode into light-emitting diode.When assembly normally works, light-emitting diode is in reverse-biased, and diode is not luminous; And when there is hot spot effect, light-emitting diode forward conduction, now LED lighting, just can be easier to the assembly finding hot spot effect occurs, and going to take certain measure to eliminate hot spot effect, ensureing that the more electric power of photovoltaic plant exports.
A kind of automatic alarm solar module technical scheme of the present invention is, comprise solar battery sheet, cell piece series connection is in the capable arrangement of m row n, a light-emitting diode group in parallel between the first cell piece that the odd number that each odd column is adjacent adds row, light-emitting diode group is composed in parallel by x light-emitting diode, and x is not less than 1.
Light-emitting diode group is composed in parallel by two light-emitting diodes, and two light-emitting diode models are consistent.
Wherein m is 6, n is 10; Or m is 6, n is 12.
The negative pole of the positive pole connection circuit of described light-emitting diode, the positive pole of the negative pole connection circuit of light-emitting diode, under normal circumstances, light-emitting diode is in reverse-bias state.
Described light-emitting diode is withstand voltage is greater than 20V.
The rated current of described light-emitting diode is greater than 10A.
The reverse leakage current of described light-emitting diode is less than 0.5A.
The forward conduction voltage of described light-emitting diode is 0.1 to 0.5V.
A kind of automatic alarm solar module beneficial effect of the present invention is:
The present invention changes common bypass diode into light-emitting diode group.When assembly normally works, light-emitting diode is in reverse-biased, and diode is not luminous; And when there is hot spot effect, light-emitting diode forward conduction, now LED lighting, just can be easier to the assembly finding hot spot effect occurs, and going to take certain measure to eliminate hot spot effect, ensureing that the more electric power of photovoltaic plant exports.
The side more than one diode in parallel again of the present invention's each diode in routine techniques, when one of them diode fails, the diode in parallel with it still will can play the effect of bypass diode.Suppose that the ratio of routine bypass diode fails is one thousandth, then in assembly of the present invention, the ratio that bypass diode lost efficacy is 1,000,000/.
accompanying drawing illustrates:
Figure 1 shows that basic structure schematic diagram of the present invention.
In figure, 1. solar battery sheet, 2. light-emitting diode.
embodiment:
In order to understand the present invention better, describe technical scheme of the present invention in detail below in conjunction with accompanying drawing, but the present invention is not limited thereto.
Embodiment 1
A kind of automatic alarm solar module of the present invention, comprise solar battery sheet 1, cell piece series connection is in 6 row 10 row arrangements, according to series sequence, solar battery sheet 1 is named according to one to six ten, wherein, first is composed in parallel by two light-emitting diodes 2 with the 30 a slice, the 40 a slice diode group in parallel with between the 50 a slice cell piece, diode group with the tenth a slice, the 20 a slice, and two light-emitting diode 2 models are consistent.
The negative pole of the positive pole connection circuit of described light-emitting diode 2, the positive pole of the negative pole connection circuit of light-emitting diode 2, under normal circumstances, light-emitting diode 2 is in reverse-bias state.
Described light-emitting diode 2 is withstand voltage is greater than 20V.
The rated current of described light-emitting diode 2 is greater than 10A.
The reverse leakage current of described light-emitting diode 2 is less than 0.5A.
The forward conduction voltage of described light-emitting diode 2 is 0.1 to 0.5V.
The present invention changes common bypass diode into light-emitting diode group.When assembly normally works, light-emitting diode is in reverse-biased, and diode is not luminous; And when there is hot spot effect, light-emitting diode forward conduction, now LED lighting, just can be easier to the assembly finding hot spot effect occurs, and going to take certain measure to eliminate hot spot effect, ensureing that the more electric power of photovoltaic plant exports.
A side diode in parallel again of the present invention's each diode in routine techniques, when one of them diode fails, the diode in parallel with it still will can play the effect of bypass diode.Suppose that the ratio of routine bypass diode fails is one thousandth, then in assembly of the present invention, the ratio that bypass diode lost efficacy is 1,000,000/.
Embodiment 2
A kind of automatic alarm solar module of the present invention, comprises solar battery sheet 1, cell piece series connection in 6 row 12 row arrangements, a light-emitting diode 2 in parallel between the first cell piece that the odd number that each odd column is adjacent adds row.
The negative pole of the positive pole connection circuit of described light-emitting diode 2, the positive pole of the negative pole connection circuit of light-emitting diode 2, under normal circumstances, light-emitting diode 2 is in reverse-bias state.
Described light-emitting diode 2 is withstand voltage is greater than 20V.
The rated current of described light-emitting diode 2 is greater than 10A.
The reverse leakage current of described light-emitting diode 2 is less than 0.5A.
The forward conduction voltage of described light-emitting diode 2 is 0.1 to 0.5V.
The present invention changes common bypass diode into light-emitting diode.When assembly normally works, light-emitting diode is in reverse-biased, and diode is not luminous; And when there is hot spot effect, light-emitting diode forward conduction, now LED lighting, just can be easier to the assembly finding hot spot effect occurs, and going to take certain measure to eliminate hot spot effect, ensureing that the more electric power of photovoltaic plant exports.
Claims (8)
1. an automatic alarm solar module, it is characterized in that, comprise solar battery sheet, cell piece series connection is in the capable arrangement of m row n, a light-emitting diode group in parallel between the first cell piece that the odd number that each odd column is adjacent adds row, light-emitting diode group is composed in parallel by x light-emitting diode, and x is not less than 1.
2. a kind of automatic alarm solar module according to claim 1, is characterized in that, light-emitting diode group is composed in parallel by two light-emitting diodes, and two light-emitting diode models are consistent.
3. a kind of automatic alarm solar module according to claim 1, is characterized in that, wherein m is 6, n is 10; Or m is 6, n is 12.
4. a kind of automatic alarm solar module according to claim 1, it is characterized in that, the negative pole of the positive pole connection circuit of described light-emitting diode, the positive pole of the negative pole connection circuit of light-emitting diode, under normal circumstances, light-emitting diode is in reverse-bias state.
5. a kind of automatic alarm solar module according to claim 1, is characterized in that, described light-emitting diode is withstand voltage is greater than 20V.
6. a kind of automatic alarm solar module according to claim 1, it is characterized in that, the rated current of described light-emitting diode is greater than 10A.
7. a kind of automatic alarm solar module according to claim 1, it is characterized in that, the reverse leakage current of described light-emitting diode is less than 0.5A.
8. a kind of automatic alarm solar module according to claim 1, is characterized in that, the forward conduction voltage of described light-emitting diode is 0.1 to 0.5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923183.9A CN105470324A (en) | 2015-12-14 | 2015-12-14 | Solar cell module with automatic warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923183.9A CN105470324A (en) | 2015-12-14 | 2015-12-14 | Solar cell module with automatic warning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105470324A true CN105470324A (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510923183.9A Pending CN105470324A (en) | 2015-12-14 | 2015-12-14 | Solar cell module with automatic warning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470324A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202135082U (en) * | 2011-06-21 | 2012-02-01 | 恒光（福建）光电科技有限公司 | Solar cell panel circuit |
| JP2012094751A (en) * | 2010-10-28 | 2012-05-17 | Mitsubishi Electric Corp | Solar battery module and photovoltaic power generation system |
| CN202473975U (en) * | 2012-02-10 | 2012-10-03 | 上海晶澳太阳能科技有限公司 | A junction box of a solar battery pack |
-
2015
- 2015-12-14 CN CN201510923183.9A patent/CN105470324A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012094751A (en) * | 2010-10-28 | 2012-05-17 | Mitsubishi Electric Corp | Solar battery module and photovoltaic power generation system |
| CN202135082U (en) * | 2011-06-21 | 2012-02-01 | 恒光（福建）光电科技有限公司 | Solar cell panel circuit |
| CN202473975U (en) * | 2012-02-10 | 2012-10-03 | 上海晶澳太阳能科技有限公司 | A junction box of a solar battery pack |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |
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| RJ01 | Rejection of invention patent application after publication |