CN103203330B - Solar cell system capable of automatically removing dust - Google Patents

Solar cell system capable of automatically removing dust Download PDF

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Publication number
CN103203330B
CN103203330B CN201310087257.0A CN201310087257A CN103203330B CN 103203330 B CN103203330 B CN 103203330B CN 201310087257 A CN201310087257 A CN 201310087257A CN 103203330 B CN103203330 B CN 103203330B
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China
Prior art keywords
photovoltaic panel
solar energy
energy photovoltaic
dust removal
removal brush
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CN201310087257.0A
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CN103203330A (en
Inventor
韩雁
吴焕挺
刘放
李贡社
顾为民
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The invention discloses a solar cell system capable of automatically removing dust. The solar cell system comprises a solar photovoltaic panel and a dust removal brush with a driving mechanism, the dust removal brush is provided with an annular motion path, at least one section of the motion path is a working section, and the dust removal brush fits with the front of the solar photovoltaic panel when moving along the working section. By changing the motion track of a dust removal brush in a dust removal structure of an existing solar photovoltaic panel, accumulated dust is taken away from the solar photovoltaic panel, and dust removal effects are improved. The motion track of the dust removal brush is annular, the driving mechanism only needs to unidirectionally run, a mechanical structure is simplified, and stability and reliability of a system are enhanced.

Description

A kind of can the solar cell system of automatic dust removing
Technical field
The present invention relates to solar cell system, particularly relate to a kind of can the solar cell system of automatic dust removing.
Background technology
Along with the arrival of energy crisis in world wide, national governments all actively promote green energy resource in the object for sustainable economic development.In recent years, solar energy because of its have the distinguishing feature such as pollution-free, renewable, scope is wide gradually pay attention to by countries in the world, become one of green energy resource of coming few decades most potentiality.
But the photoelectric transformation efficiency of solar cell is the highest only at about 14%-16%, this also becomes the biggest obstacle hindering solar energy generation technology to advance.Therefore, for whole photovoltaic system, it is very important for making full use of this limited solar energy resources., in order to fully absorb solar energy resources, have to solar energy photovoltaic panel to be chronically exposed to open air, this covers with dust and dirt by causing the surface of solar energy photovoltaic panel.The existence of dust and dirt not only can make the efficiency of opto-electronic conversion reduce, and the more important thing is the service life that can reduce solar cell.
Therefore, the dedusting work on solar energy photovoltaic panel surface is just seemed particularly important.Traditional method one is washed away with water, the manpower of this method meeting at substantial and water resource, and can only be arranged on the solar energy photovoltaic panel of short position, and the solar energy photovoltaic panel for high empty position is but had no way out.For this problem, software engineering researchers invent is had to go out a kind of solar energy photovoltaic panel with self-cleaning function, Authorization Notice No. is that the Chinese patent of CN202363466U discloses with a kind of solar energy photovoltaic panel with self-cleaning function, comprise solar energy photovoltaic panel body, described solar energy photovoltaic panel body both sides are provided with track, its panel is provided with dust removal brush, and dust removal brush both sides are provided with roller, and roller coordinates with the track of solar energy photovoltaic panel body both sides.
But the method for this wiping back and forth on surface easily makes dust at solar energy photovoltaic panel surface sediment, in the course of time, cause dust only to be brushed other end by dust removal brush from one, then get back to this head from other end, desirable dust removing effects cannot be reached.
Summary of the invention
The invention provides a kind of can the solar cell system of automatic dust removing, to solve existing dust pelletizing system by dust removal brush in the wiping back and forth of solar energy photovoltaic panel surface, easily make dust at solar energy photovoltaic panel surface sediment, dust is caused only to be brushed opposite side by dust removal brush from side, turn back along original route again, effectively cannot clear up the problem of solar cell surface dust.
A kind of can the solar cell system of automatic dust removing, comprise solar energy photovoltaic panel and the dust removal brush with driving mechanism, described dust removal brush has the motion path of annular, at least one section of this motion path is active section, and when described dust removal brush moves along active section and solar energy photovoltaic panel front fits.
The dust on solar energy surface, when active section moves, is removed by dust removal brush; Because dust removal brush in the present invention has inoperative section movement locus, dust can be taken away the edge of solar energy photovoltaic panel, effectively can avoid the accumulation of dust; Again because the movement locus of dust removal brush is annular, described driving mechanism only needs Unidirectional, simplifies frame for movement, increases the steady of system and reliability.
In order to make dust removal brush can fit with solar energy photovoltaic panel intimate surface, improve dust removing effects, described solar energy photovoltaic panel is tabular, and described active section linearly extends, and with the plane parallel at solar energy photovoltaic panel place.
In order to make various parts distribute rationally, compact conformation, operates steadily, and be convenient to design simultaneously and produce, and also comprising the reverse-running section being in photovoltaic back in described motion path, and reverse-running section and active section joins end to end.
Described dust removal brush form is varied, can select in conjunction with the shape of the solar energy photovoltaic panel selected.
Preferably, described dust removal brush is the scraper plate of strip.
Preferably, described dust removal brush comprises the support bar of strip, and is distributed in the bristle on this support bar.
Described driving mechanism comprises at least two support wheels and the flexible transmission parts around the home on support wheel; Wherein at least one support wheel is driving wheel, and described dust removal brush is arranged on flexible transmission parts.
Described flexible transmission parts is conveyer belt or chain.
In order to keep dust removal brush even running, the service time of extension device, the flexible transmission parts of described support wheel and correspondence is two groups, is in the both sides of solar energy photovoltaic panel respectively, and the two ends of described dust removal brush are arranged on the flexible transmission parts of solar energy photovoltaic panel both sides respectively.
The support wheel of solar energy photovoltaic panel both sides is symmetrical.
The support wheel of solar energy photovoltaic panel both sides is respectively two, and one of them is in the top of solar energy photovoltaic panel, and another is in the below of solar energy photovoltaic panel.
During work, driven by motor driving wheel rotates, driving wheel drives flexible transmission parts and its excess-three support wheel to rotate, two ends are fixed on the dust removal brush laminating solar energy photovoltaic panel front motion on flexible transmission parts, carry out dedusting, when dust removal brush power cut-off section stroke, dust can be taken away solar energy photovoltaic panel, prevent dust accretions; Driving wheel continues to rotate, and dust removal brush enters reverse-running section, runs in photovoltaic back; Motion path because of dust removal brush is annular, enters again active section motion, move in circles, carry out repeatedly dedusting to solar energy photovoltaic panel after reverse-running section terminates.
In order to improve cleaning effect, be provided with the cleaning device of dust removal brush at the back side of described solar energy photovoltaic panel.
Described cleaning device can be selected according to the form of described dust removal brush, and when dust removal brush is made up of the support bar of strip and the bristle be distributed on this support bar, described cleaning device is the projection being arranged on photovoltaic back.
When dust removal brush runs on reverse-running section, described projection stirs bristle, to remove the dust be bonded on bristle, avoids the dust be bonded on bristle to fall the front of solar energy photovoltaic panel once again.
In order to improve the automaticity of system, described driving mechanism is controlled by a time control switch, in the control module setting fixing unlatching cycle and fixing running time.
Beneficial effect of the present invention: by changing the movement locus of dust removal brush in existing solar energy photovoltaic panel dedusting structure, the dust of accumulation is taken away solar energy photovoltaic panel, improves dust removing effects; And the movement locus of dust removal brush is annular in the present invention, driving mechanism only needs Unidirectional, simplifies frame for movement, increases the steady of system and reliability; Realize system automatic cycle by time control switch to run, dedusting is carried out to solar energy photovoltaic panel surface, improve the automaticity of system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Fig. 4 is the left view of Fig. 3.
Detailed description of the invention
Embodiment 1
As illustrated in fig. 1 and 2, the present embodiment solar cell system comprises solar energy photovoltaic panel 1, dust removal brush 2, two conveyer belts, four support wheels and drive motors 5.
As shown in Figure 1, be fixed with drive motors 5 in solar energy photovoltaic panel 1 tip edge, four support wheels are symmetrically distributed in outside four angles of solar energy photovoltaic panel 1, and wherein support wheel 41 is coaxial with support wheel 44, and support wheel 42 is coaxial with support wheel 43.
Support wheel 41 is connected with drive motors 5; Two guide pads are provided with at edge, solar energy photovoltaic panel 1 lower end, two guide pads are provided with coaxial through hole, there is a dwang 6 through the through hole on two guide pads, be rotationally connected with solar energy photovoltaic panel 1, support wheel 42 and support wheel 43 are fixedly connected on dwang 6 two ends, and support wheel 44 and solar energy photovoltaic panel 1 are rotationally connected.
Wherein support wheel 41 and support wheel 42 are connected with conveyer belt 31, and support wheel 43 and support wheel 44 are connected with conveyer belt 32, and conveyer belt 31 and conveyer belt 32 are symmetrically distributed in the both sides of solar energy photovoltaic panel 1, and are parallel to each other.
During work, drive motors 5 operates and drives support wheel 41 to rotate, support wheel 41 drives conveyer belt 31 to move, conveyer belt 31 drives support wheel 42 to rotate, support wheel 42 drives support wheel 43 to rotate by dwang 6, and support wheel 43 drives again conveyer belt 32 to move, and conveyer belt 32 drives support wheel 44 to rotate simultaneously, by above drive mechanism, conveyer belt 31 and conveyer belt 32 realize being synchronized with the movement.
Dust removal brush 2 is made up of the support bar of strip and the bristle be distributed on this support bar, conveyer belt 31 and conveyer belt 32 are provided with coaxial through hole, two ends wear in through hole by support bar, be fixed on conveyer belt 31 and conveyer belt 32, fit in the front of bristle and solar energy photovoltaic panel 1, and dust removal brush 2 is mutually vertical with two conveyer belts.
By conveyer belt 31 and conveyer belt 32 synchronous operation, drive dust removal brush 2 even running, improve the stability of system cloud gray model.
In the present embodiment, dust removal brush 2 comprises two motion processes:
Active section: now fit in the bristle of dust removal brush 2 and the front of solar energy photovoltaic panel 1, drive motors 5 drives dust removal brush 2 to move by support wheel and conveyer belt, and bristle carries out dedusting to the front of solar energy photovoltaic panel 1.
Reverse-running section: when dust removal brush 2 power cut-off section stroke, dust removal brush 2 departs from the front of solar energy photovoltaic panel 1, dust is taken away solar energy photovoltaic panel 1 simultaneously, prevent dust accretions, drive motors 5 continues to rotate, and dust removal brush 2 enters reverse-running section, runs at solar energy photovoltaic panel 1 back side.
Motion path because of dust removal brush 2 is annular, enters again active section motion, move in circles, carry out repeatedly dedusting to solar energy photovoltaic panel 1 after reverse-running section terminates.
In order to improve the cleaning effect of dust removal brush 2, be provided with the cleaning device of dust removal brush 2 at the back side of solar energy photovoltaic panel 1.
Because of the dust removal brush 2 selected in the present embodiment be made up of the support bar of strip and the bristle be distributed on this support bar time, so the cleaning device in the present embodiment is the projection 7 being arranged on photovoltaic back.Projection 7 is strip, and length is more than or equal to the length of dust removal brush 2, so that the bristle of clean whole piece dust removal brush 2.
When dust removal brush 2 power cut-off section enter reverse-running section runs time, the projection 7 being arranged on photovoltaic back stirs bristle, to remove the dust be bonded on bristle, avoids the dust be bonded on bristle to fall the front of solar energy photovoltaic panel 1 once again.
In the present embodiment, drive motors 5 controls to open and close by a time control switch (not shown in FIG.), the data in control module, comprises system and opens the cycle and the opening time can preset.
Realize system automatic cycle by time control switch to run, dedusting is carried out to solar energy photovoltaic panel surface, improve the automaticity of system.
Embodiment 2
As shown in Figures 3 and 4, the present embodiment solar cell system comprises solar energy photovoltaic panel 11, dust removal brush 21, two conveyer belts, four support wheels and drive motors.Wherein except dust removal brush 21 and solar energy photovoltaic panel 11 are different from except embodiment 1, all the other structures are all identical with embodiment 1.
Solar energy photovoltaic panel 11 has smooth surface, dust removal brush 21 is adopted as the scraper plate of strip, the material selection quality of rubber materials of scraper plate, and be provided with chamfering with the surface fitted in solar energy photovoltaic panel front, can reduce the frictional force between scraper plate and solar panel 11, fit in inclined-plane and solar panel 11 front of chamfering generation simultaneously.
During work, dust removal brush 21 surface is seamless applying with solar panel 11 front, and dust removing effects is better.
In sum, in embodiment 1 and embodiment 2, the movement locus of dust removal brush 2 and dust removal brush 21 is all annular, after active section terminates, the dust of accumulation can be taken away solar energy photovoltaic panel 1 and solar energy photovoltaic panel 11, improves dust removing effects; Simultaneously drive motors 5 only needs Unidirectional, can simplied system structure effectively, increase system steadily and reliability.

Claims (9)

1. one kind can the solar cell system of automatic dust removing, comprise solar energy photovoltaic panel (1) and the dust removal brush (2) with driving mechanism, it is characterized in that: described dust removal brush (2) has the motion path of annular, at least one section of this motion path is active section, and when described dust removal brush (2) moves along active section and solar energy photovoltaic panel (1) front fits;
Also comprise the reverse-running section being in solar energy photovoltaic panel (1) back side in described motion path, and reverse-running section and active section join end to end;
The cleaning device of dust removal brush is provided with at the back side of described solar energy photovoltaic panel.
2. as claimed in claim 1 can the solar cell system of automatic dust removing, it is characterized in that, described solar energy photovoltaic panel (1) is tabular, and described active section linearly extends, and with the plane parallel at solar energy photovoltaic panel (1) place.
3. as claimed in claim 1 can the solar cell system of automatic dust removing, it is characterized in that, the scraper plate that described dust removal brush (2) is strip.
4. as claimed in claim 1 can the solar cell system of automatic dust removing, it is characterized in that, described dust removal brush (2) comprises the support bar of strip, and is distributed in the bristle on this support bar.
5. as claimed in claim 1 can the solar cell system of automatic dust removing, it is characterized in that, described driving mechanism comprises at least two support wheels (41,42) and the flexible transmission parts around the home on support wheel; Wherein at least one support wheel (41) is driving wheel, and described dust removal brush (2) is arranged on flexible transmission parts.
6. as claimed in claim 5 can the solar cell system of automatic dust removing, it is characterized in that, described flexible transmission parts is conveyer belt (31,32) or chain.
7. as claimed in claim 5 can the solar cell system of automatic dust removing, it is characterized in that, described support wheel (41,42,43,44) and the flexible transmission parts of correspondence be two groups, be in the both sides of solar energy photovoltaic panel (1) respectively, the two ends of described dust removal brush (2) are arranged on the flexible transmission parts of solar energy photovoltaic panel (1) both sides respectively.
8. as claimed in claim 7 can the solar cell system of automatic dust removing, it is characterized in that, the support wheel (41,42,43,44) of solar energy photovoltaic panel (1) both sides is symmetrical.
9. as claimed in claim 8 can the solar cell system of automatic dust removing, it is characterized in that, the support wheel of solar energy photovoltaic panel (1) both sides is respectively two, and one of them is in the top of solar energy photovoltaic panel, and another is in the below of solar energy photovoltaic panel.
CN201310087257.0A 2013-03-18 2013-03-18 Solar cell system capable of automatically removing dust Active CN103203330B (en)

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Application Number Priority Date Filing Date Title
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CN103203330B true CN103203330B (en) 2014-12-31

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106100554B (en) * 2016-06-29 2018-05-11 国网山东省电力公司济南市历城区供电公司 A kind of photovoltaic complex control system
CN106725553A (en) * 2017-01-09 2017-05-31 上海联影医疗科技有限公司 Mammographic equipment
CN107999446A (en) * 2017-12-08 2018-05-08 江苏飞视文化发展有限公司 A kind of clean method of advertisement board cleaning device
CN113996879B (en) * 2021-11-30 2022-06-28 深圳市智傲科技有限公司 Clamp for welding integrated mainboard

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5499353A (en) * 1978-01-20 1979-08-06 Hitachi Chem Co Ltd Method of cleaning of board shaped materials
CN101007312A (en) * 2007-01-09 2007-08-01 武汉理工大学 Method for automatically removing dust from the solar battery plate and device thereof
CN201020455Y (en) * 2007-04-20 2008-02-13 南京全屋电器开关有限公司 Solar electric power generation plate surface dust-collecting equipment
CN201711298U (en) * 2010-03-11 2011-01-19 马关涛 Dust collection device for solar battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5499353A (en) * 1978-01-20 1979-08-06 Hitachi Chem Co Ltd Method of cleaning of board shaped materials
CN101007312A (en) * 2007-01-09 2007-08-01 武汉理工大学 Method for automatically removing dust from the solar battery plate and device thereof
CN201020455Y (en) * 2007-04-20 2008-02-13 南京全屋电器开关有限公司 Solar electric power generation plate surface dust-collecting equipment
CN201711298U (en) * 2010-03-11 2011-01-19 马关涛 Dust collection device for solar battery

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