CN105610397A - Energy closed-loop ultrahydrophobic electric curtain dust removal system applied to space solar cell array - Google Patents
Energy closed-loop ultrahydrophobic electric curtain dust removal system applied to space solar cell array Download PDFInfo
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- CN105610397A CN105610397A CN201610097642.7A CN201610097642A CN105610397A CN 105610397 A CN105610397 A CN 105610397A CN 201610097642 A CN201610097642 A CN 201610097642A CN 105610397 A CN105610397 A CN 105610397A
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- solar cell
- electric curtain
- dust
- super thin
- ultrahydrophobic
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- 239000000428 dust Substances 0.000 title claims abstract description 57
- 238000005453 pelletization Methods 0.000 claims description 19
- 239000002086 nanomaterial Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 239000006059 cover glass Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005684 electric field Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000010248 power generation Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
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- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
-
- 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
Abstract
The invention provides an energy closed-loop ultrahydrophobic electric curtain dust removal system for a space. The energy closed-loop ultrahydrophobic electric curtain dust removal system comprises a high-voltage solar cell module, a DC/AC converter, a relay switch boosting transformer, a comb-type transparent electric curtain and an ultrahydrophobic layer. According to the working principle, 300V high voltage provided by a high-voltage power generation module provides an over 1,000V high-voltage AC power supply to the comb-type electric curtain through DC/AC conversion and boosting; and an AC field is formed on the surface of the comb-type ultrahydrophobic electric curtain which is periodically spaced. The ultrahydrophobic layer greatly reduces the surface energy; and the adsorptivity of dust on the surface of a solar cell array is reduced, so that the dust is easily lifted under the action of the electric field and moves along the direction vertical to an electrode; the dust removal target is achieved; and the removal effect on large-grain dust or accumulated dust can also be achieved under the action of gravity, shake and the like. The dust removal system provided by the invention is high in dust removal efficiency, does not affect the optical property, can achieve energy closed loop and can be isolated from a spacecraft power system.
Description
Technical field
The present invention relates to photovoltaic field, be specifically related to a kind of super thin electric curtain dust pelletizing system of energy closed loop that can be applicable to space solar power device.
Background technology
Extraterrestrial survey of deep space field, the moon, martian surface are all covered with the soil horizon that one deck is very thick, the dust being blown afloat can be brought electric charge simultaneously in shining upon and mutually colliding, these dust, very easily in solar battery array surface or optical lens adsorption and the accumulation of deep space probe, cause solar battery array power decline and take pictures image blurring. At ground civil area, a large amount of dust of the surface such as the aggravation photovoltaic generation plate of environmental pollution, optical lens, building glass accumulation, clean difficulty is large, the cycle is long.
1967, the people such as Tatom proposed alternating electric field dust collection method, and at the easily alternately curtain shape of surface design one deck rule of absorption (or claiming pectination) electrode of dust, when AC power is carried in to electric curtain two ends, surface will form the alternation highfield of rule. Dust, under the polarization of highfield, is subject to electric field force and is broken away from adhesive force and Action of Gravity Field generation saltation. By selecting certain electric field frequency, particle will be by field strip from attaching surface. This particle method of operating is without mechanical device, and particle without contacting, and is applicable to various working with electrode. 201110103339.0 1 kinds of solar panel dedusting comb-shaped circuits and work system thereof disclose a kind of solar panel dust pelletizing system based on electric curtain dust-cleaning principle, but this system is because the available voltage of battery is limited, need more complicated translation circuit, and the busbar voltage that exceedes 100V will be brought huge risk to space power system, limit greatly it and applied in survey of deep space field, simultaneously in Ground Application, also needed charge maintenance. It is residual that the deficiency of the electric curtain dedusting of this invention design is also to have short grained dust after dedusting, the particle tiring out after gathering for charged dust in survey of deep space does not reach desirable dust removing effects, and the dust adhering to later for rainwater in Ground Application cannot be removed.
Super thin base dedusting technology based on micro-nano projection, porous or fluff structures waterproof and dustproof characteristic has got more and more for fields such as ground photovoltaic power generation plates, but the super inferior position that removes dirt is to rely on gravity, wind, the less dust of particle is removed to effect limited, cannot be competent at low gravity and calm survey of deep space task, as the dedusting in moon exploration.
Summary of the invention
For electric curtain dedusting and the super weak point that removes dirt; a kind of super thin electric curtain dust pelletizing system of energy closed loop surface that is applied to solar cell for space use battle array of the present invention's design has adopted super thin layer; the surface that greatly reduces dust can; dust reduces at solar battery array adsorption; therefore under the effect of electric field, dust is easy to be picked up and move along the direction perpendicular to electrode; thereby reach the object of dedusting, and oarse-grained dust or the tired poly-effect that also can also can reach removing under the effect such as gravity, shake of dust. Dust pelletizing system provided by the invention not only efficiency of dust collection high, do not affect optical property, and the present invention design a kind of be applied to the super thin electric curtain dust pelletizing system of energy closed loop of solar cell for space use battle array can energy closed loop and with spacecraft power supply isolation of system, avoid security, reliability hidden danger, be particularly suitable for the solar battery array dust in planetary landing in survey of deep space and remove.
For reaching above-mentioned purpose, the invention provides a kind of super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array, high pressure sun battery module, the DC/AC converter being connected with described high pressure sun battery module, the closeable relay switch being connected with described converting means and the step-up transformer being connected with described relay switch, it is characterized in that, also comprise that preparation is at the lip-deep pectination transparent electrical of dedusting protection object curtain, and one deck of described pectination electricity curtain surface coverage has the super thin layer of micro-nano structure.
Further, described super thin layer is double-layer structure, and ground floor is to cover electric curtain surface as dielectric substrate, is SiO2 material, and thickness is not less than 600nm; The second layer is the super thin layer that one deck of preparing in described dielectric substrate has micro-nano structure, and the thickness of this layer of structure is 200nm.
Preferably, the micro-nano structure of described super thin layer adopts porous, projection or fine hair and other to possess the saturating structure of height of super thin characteristic, and the thickness of this layer of structure is 200nm.
Further, described high pressure sun battery module is filled by PCB, minute sized solar cell, silicon rubber insulation and high cover glass thoroughly forms, described minute sized solar cell is of a size of 10mm × 10mm, and a large amount of microsize solar cell series connection form the circuit that open-circuit voltage exceedes 300V.
The present invention compared with prior art, its remarkable advantage:
(1) improve efficiency of dust collection. A kind of super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array of the present invention's design can effectively solve the dust deposition under planetary surface environment in the dust deposition on solar battery array surface, particularly survey of deep space, and efficiency of dust collection is high;
(2) energy closed loop and effectively isolation, the present invention adopts high pressure sun battery module to super thin electric curtain dust pelletizing system power supply, has realized and spacecraft power supply isolation of system, avoids causing security, security risk;
(3) adopt high permeability material not reduce solar battery array performance. Because electric curtain and super thin insulating materials are high transparent material, do not affect the performance of solar battery array.
By reference to the accompanying drawings, according to below by example, the present invention is described, can know other aspects of the present invention and advantage.
Brief description of the drawings
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the super thin insulated electro curtain dust pelletizing system schematic diagram of self power generation of the present invention;
Fig. 2 is super thin insulated electro curtain structure of the present invention and installation site schematic diagram;
Fig. 3 is self power generation high-pressure modular schematic diagram figure of the present invention;
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail. Should be understood that following examples are only for the present invention is described but not for limiting scope of the present invention. The changes that any person skilled in the art can think of, all should drop in protection scope of the present invention.
Now describe a kind of super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array according to the embodiment of the present invention in detail.
A kind of super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array of the present invention forms as in Fig. 1, and electric curtain dust pelletizing system is made up of high pressure sun battery module 1, DC/AC converter 2, relay switch 3 step-up transformers 4, pectination transparent electrical curtain 5 and super thin layer 6. In conjunction with Fig. 2, Fig. 3, while preparing a kind of super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array of the present invention, comprise the following steps:
(1) adopting transparent insulation material glass or PET is substrate, substrate thickness is no more than 150 μ m, prepares layer of transparent conductive material ITO on backing material, and ITO thickness is 500nm, adopt photoetching process and wet-etching technology, ITO layer is prepared as to the pectination electricity curtain structure at cycle interval;
(2) then again prepare one deck SiO on surface2Insulating barrier 6_1, thickness is not less than 600nm, and prepares with TiO at surface of insulating layer by wet chemical method2/SiO2For the projection of main material, villous super thin structure 6_2, thickness is 100nm;
(3) adopt high-performance printed circuit board as PCB1_1, paste the solar cell 1_2 of a large amount of microsize (10mm × 10mm) at surperficial cloth, after solar cell series connection, formation open-circuit voltage is not less than the circuit of 300V;
(4) then at the silicon rubber 1_3 of Surface filling one deck high transmission as insulation and binding agent, thickness is 0.1mm, then a glass 1_4 is covered and sticks on whole surface, thickness is 0.12mm, forms high pressure self power generation module 1;
(5) build by high pressure sun battery module 1, DC/AC converter 2, relay switch 3 step-up transformers 4, pectination transparent electrical curtain 5, and the super thin layer 6 of micro-nano structure;
In the time that relay switch is closed, pectination electricity curtain is started working. The 300V high pressure that high-voltage power module provides for pectination electricity curtain provides the high-voltage ac power that exceedes 1000V, forms AC field on the pectination electricity curtain surface at cycle interval through DC/AC conversion with after boosting. Because super thin layer greatly reduces surface energy; dust reduces at solar battery array adsorption; therefore under the effect of electric field, dust is easy to be picked up and move along the direction perpendicular to electrode; thereby reach the object of dedusting, and oarse-grained dust or the tired poly-effect that also can also can reach removing under the effect such as gravity, shake of dust. Dust pelletizing system provided by the invention not only efficiency of dust collection high, do not affect optical property, and can energy closed loop and with spacecraft power supply isolation of system, be particularly suitable for the solar battery array dust in planetary landing in survey of deep space and remove.
Claims (4)
1. one kind is applied to the super thin electric curtain dust pelletizing system of energy closed loop of solar cell for space use battle array, the DC/AC converter that comprises high pressure sun battery module, be connected with described high pressure sun battery module, the closeable relay switch being connected with described converting means and the step-up transformer being connected with described relay switch, it is characterized in that, also comprise that preparation is at the lip-deep pectination transparent electrical of dedusting protection object curtain, and one deck of described pectination electricity curtain surface coverage has the super thin layer of micro-nano structure.
2. the super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array according to claim 1, is characterized in that, described super thin layer is double-layer structure, and ground floor is to cover electric curtain surface as dielectric substrate, is SiO2Material, thickness is not less than 600nm; The second layer is the super thin layer that one deck of preparing in described dielectric substrate has micro-nano structure, and the thickness of this layer of structure is 200nm.
3. the super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array according to claim 2, it is characterized in that, the micro-nano structure of described super thin layer adopts porous, projection or fine hair and other to possess the saturating structure of height of super thin characteristic, and the thickness of this layer of structure is 200nm.
4. the super thin electric curtain dust pelletizing system of energy closed loop that is applied to solar cell for space use battle array according to claim 1, it is characterized in that, described high pressure sun battery module is filled by PCB, minute sized solar cell, silicon rubber insulation and high cover glass thoroughly forms, described minute sized solar cell is of a size of 10mm × 10mm, and a large amount of microsize solar cell series connection form the circuit that open-circuit voltage exceedes 300V.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106540929A (en) * | 2016-12-01 | 2017-03-29 | 张祖锋 | A kind of three-phase electric curtain of travelling wave dust pelletizing system and its construction method |
CN107046400A (en) * | 2016-12-26 | 2017-08-15 | 河海大学常州校区 | A kind of solar cell electricity dust pelletizing system based on electric curtain |
CN107942749A (en) * | 2017-11-28 | 2018-04-20 | 北京航空航天大学 | A kind of Automatic Checkout & Control System and method suitable for lunar lander electricity curtain dust pelletizing system |
CN108518876A (en) * | 2018-03-06 | 2018-09-11 | 中国空间技术研究院 | A kind of resource processing system in situ transported using electrostatic with optically focused molten sintering |
US10846584B2 (en) * | 2018-12-12 | 2020-11-24 | King Fahd University Of Petroleum And Minerals | Printed electronic film for dust sensing on PV cells and reporting via RFID tags |
CN112213240A (en) * | 2020-09-24 | 2021-01-12 | 大连理工大学 | Experimental system for removing dust particles on surface of photovoltaic panel through standing wave electric curtain |
CN112260641A (en) * | 2020-10-12 | 2021-01-22 | 江苏电子信息职业学院 | Standing wave electric curtain dust removal control method with adjustable voltage frequency |
US11495858B2 (en) | 2018-02-22 | 2022-11-08 | King Fahd University Of Petroleum And Minerals | Photovoltaic cell with responsive surface film |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN106540929A (en) * | 2016-12-01 | 2017-03-29 | 张祖锋 | A kind of three-phase electric curtain of travelling wave dust pelletizing system and its construction method |
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CN108518876A (en) * | 2018-03-06 | 2018-09-11 | 中国空间技术研究院 | A kind of resource processing system in situ transported using electrostatic with optically focused molten sintering |
US10846584B2 (en) * | 2018-12-12 | 2020-11-24 | King Fahd University Of Petroleum And Minerals | Printed electronic film for dust sensing on PV cells and reporting via RFID tags |
CN112213240A (en) * | 2020-09-24 | 2021-01-12 | 大连理工大学 | Experimental system for removing dust particles on surface of photovoltaic panel through standing wave electric curtain |
CN112260641A (en) * | 2020-10-12 | 2021-01-22 | 江苏电子信息职业学院 | Standing wave electric curtain dust removal control method with adjustable voltage frequency |
CN112260641B (en) * | 2020-10-12 | 2021-08-10 | 江苏电子信息职业学院 | Standing wave electric curtain dust removal control method with adjustable voltage frequency |
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