CN109245708A - A kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system - Google Patents
A kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system Download PDFInfo
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- CN109245708A CN109245708A CN201811129083.9A CN201811129083A CN109245708A CN 109245708 A CN109245708 A CN 109245708A CN 201811129083 A CN201811129083 A CN 201811129083A CN 109245708 A CN109245708 A CN 109245708A
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- photovoltaic module
- reflector
- photovoltaic
- row
- electricity generation
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- 230000005611 electricity Effects 0.000 title claims abstract description 18
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 8
- 230000007935 neutral effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 4
- 229910021419 crystalline silicon Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery 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
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
- H02S20/24—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures specially adapted for flat roofs
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02E10/52—PV systems with concentrators
Abstract
A kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system, including front-seat photovoltaic module, heel row photovoltaic module, assembly support, it is characterized in that neutral gear is equipped with reflector between front-seat photovoltaic module and heel row photovoltaic module row, reflector one end is connect with front-seat photovoltaic module apical margin by reflector connector, and the other end is connect with heel row photovoltaic module root edge by reflector connector.The present invention can be used for newly-built photovoltaic generating system design, it can also be used to install additional to built photovoltaic generating system.Power generation output when it can increase system worked well can also make system reach power generation threshold value and the time advance that starts, and the time for closing system lower than power generation threshold value postpones, and effectively improve system generating efficiency；It is designed and implemented simply, and reflection board used material can be any plate for having light reflection and scattering power, low in cost, and cost of electricity-generating can be effectively reduced.
Description
Technical field
The invention belongs to photovoltaic generating system technical field, it is related to the increasing of fixed Flat type photovoltaic assembly array electricity generation system
Efficacious prescriptions method.
Background technique
So far, fixed Flat type photovoltaic assembly array electricity generation system is still the mainstream of photovoltaic power generation technology.It reduces
Cost of electricity-generating is the persistent goal of photovoltaic technology development.Reducing solar cell cost, improving solar cell energy conversion efficiency is
Industry reduces the important means of photovoltaic power generation cost for many years, but very limited to the space of current this respect development.
Southeast China University once disclosed the invention for increasing photovoltaic power generation output by placing reflector between component row
(CN104167982A).But it proposes that structure is complicated and impracticable, or fails to make full use of component because vacating access path
It is irradiated between row, or access path between component row is blocked with its second reflector, and all blocked under any circumstance
Module backside and it can not be overhauled；And the invention pertains only to that reflector is arranged between photovoltaic module row, is not directed to
The first row component for how handling not adjacent row does not have any synergy effect generally in the application of practical photovoltaic generating system
Fruit is serially connected the reason is that respectively arranging component in general electricity generation system；In addition, the invention requires reflector front and back to have
There are artificial micro-structure and specialty films, only reflector cost just converts into 0.6 yuan/W, and overall fringe cost is excessively high.Therefore so far
Until the present, the practical application of the invention efficiency raising scheme there are no.
Later Li Ran also once disclosed it is a kind of using component arrange between the reflective photovoltaic power generation enhancing device utility model that irradiates
(CN205195650U).But the basic structure proposed is also excessively complicated, need to configure multiple brackets, cost for every reflector
Height, and for how being connected and fixed between bracket and reflector and component also without explanation, it can not be directly practical；And this is practical
The novel first row component for being equally not directed to how to handle not adjacent row, because of first row in the application of practical photovoltaic generating system
Other row's component illumination conditions of component and group string are inconsistent and cause mismatching loss, do not have any synergistic effect；In addition, should
Utility model does not consider access path between system needs recovery component to arrange when necessary, make system perhaps and can not implement to overhaul or
Component row's interval sunlight synergy cannot be made full use of.Due to the above problem, the reality of the utility model is also had no so far
Using.
Summary of the invention
The purpose of the present invention is to propose to a kind of suitable for the simple reflective of fixed Flat type photovoltaic assembly array electricity generation system
Enhancing device.
The present invention is achieved by the following technical solutions.
A kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system of the present invention, including
Front-seat photovoltaic module, heel row photovoltaic module, assembly support, neutral gear is equipped between front-seat photovoltaic module and heel row photovoltaic module row
Reflector, reflector one end are connect with front-seat photovoltaic module apical margin by reflector connector, the other end and heel row photovoltaic module
Root edge is connected by reflector connector.
Reflector of the present invention can be plane reflector, be also possible to appropriately curved curved reflecting board, anti-
Light synergistic effect can further increase.
For the consistency for guaranteeing photovoltaic module array group string radiation parameter, row's branch is built before first row photovoltaic module
Frame is to connect installation and respectively arrange same reflector below.
Connector of the present invention can be combined by c-type clip and hinge and be constituted.C-type clip is bolted to photovoltaic module
Frame or first row component fore-stock apical margin, hinge are bolted to the edge of reflector.
The hinge can be there are two types of form, and one kind is single rotational structure hinge, is also possible to double rotation structure hinge.Before
Person is relatively easy, and cost is relatively low；The more rotary freedoms of the latter need to be overturn more convenient when reflector.When needs are arranged with component
Between neutral gear when being overhauled as channel to photovoltaic system, it is only necessary to dismantle reflector one end for connecting c-type clip and hinge
The bolt of chain can be rotated by other end hinge and put down or dig reflector, concede access path and the photovoltaic module back side.
The present invention can be used for newly-built photovoltaic generating system design, it can also be used to carry out to built photovoltaic generating system
It installs additional.It can increase power generation output when system worked well, and the time that can also make system reach power generation threshold value and start mentions
Before, the time for closing system lower than power generation threshold value postpones, and effectively improves system generating efficiency；It is designed and implemented simply,
Reflection board used material can be any plate for having light reflection and scattering power, low in cost, and power generation can be effectively reduced
Cost.
Detailed description of the invention
Fig. 1 is structure of the invention and synergy schematic illustration (plane reverse reflector structure).
Fig. 2 is structure of the invention and synergy schematic illustration (curved reflecting board structure).
Fig. 3 is installation reflective plate bracket structural schematic diagram before first row photovoltaic module of the present invention.
Fig. 4 is double rotation structure hinge connector combining structure schematic diagram of the present invention.
Fig. 5 is the single rotational structure hinge connector combining structure schematic diagram of the present invention.
Fig. 6 is reflector of the present invention overturning unscrewing, with concede component arrange between access path and module backside space for maintenance
Operation chart.
Fig. 7 is that reflector unilateral side of the present invention is put down, with concede component arrange between access path and module backside space for maintenance
Operation chart.
In figure: the photovoltaic module of the front row 1-；2- heel row photovoltaic module；3- assembly support；4- reflector connector；5- plane is anti-
Tabula rasa；6- curved reflecting board；7-L type bracket；8-C type clip；9- bolt；10- double rotation structure hinge；The mono- rotational structure of 11-
Hinge.
Specific embodiment
The present invention and practical function are described further with reference to embodiments.
Embodiment 1.
A fixation Flat type photovoltaic assembly array electricity generation system for being installed on plane roof is chosen, is arranged more than totally 6 by 2 rows 3
Crystalline silicon photovoltaic module concatenates.Photovoltaic module faces due south inclination, folder is tilted between ground level having a size of 1.64m × 0.99m
Angle is 25 degree, and horizontal space is 1.06m between photovoltaic module row.Using white aluminium-plastic panel as reflector.Reflective board width and photovoltaic group
Part is consistent, length 1.2m, meets and overlaps condition between front two rows photovoltaic module shown in Fig. 1.Every a pair of of the photovoltaic group of front and rear row
Part matches one piece of reflector；Reflective plate bracket is installed additional before the first row photovoltaic module of front, as shown in figure 3, matching per a piece of photovoltaic module
One piece of reflector.Totally 6 pieces of reflectors, the connector shown in Fig. 4 are connected and fixed, two secondary connections of lower edge on every piece of reflector
Part, total fourth officer.
Two adjacent cloudless fine days are selected, measure no-reflection plate between 13:00~13:30 in the afternoon respectively and reflective lath is installed
System peak power output average value under part, while measuring irradiation level.As a result it is listed in table 1.
Embodiment 2.
A fixation Flat type photovoltaic assembly array electricity generation system for being installed on plane roof is chosen, is arranged more than totally 6 by 2 rows 3
Crystalline silicon photovoltaic module concatenates.Photovoltaic module faces due south inclination, folder is tilted between ground level having a size of 1.64m × 0.99m
Angle is 25 degree, and horizontal space is 1.06m between photovoltaic module row.Using white aluminium-plastic panel as reflector.Reflective board width and photovoltaic group
Part is consistent, length 1.2m, meets and overlaps condition between front two rows photovoltaic module shown in Fig. 1.Every a pair of of the photovoltaic group of front and rear row
Part matches one piece of reflector；Reflective plate bracket is installed additional before the first row photovoltaic module of front, as shown in figure 3, matching per a piece of photovoltaic module
One piece of reflector.Totally 6 pieces of reflectors, the connector shown in Fig. 5 are connected and fixed, two secondary connections of lower edge on every piece of reflector
Part.
Two adjacent cloudy cloudy days are selected, measure no-reflection plate between 13:00~13:30 in the afternoon respectively and reflective lath is installed
System peak power output average value under part, while measuring irradiation level.As a result it is listed in table 1.
Embodiment 3.
A fixation Flat type photovoltaic assembly array electricity generation system for being installed on plane roof is chosen, is arranged more than totally 6 by 2 rows 3
Crystalline silicon photovoltaic module concatenates.Photovoltaic module faces due south inclination, folder is tilted between ground level having a size of 1.64m × 0.99m
Angle is 25 degree, and horizontal space is 1.06m between photovoltaic module row.Using white polystyrene cystosepiment as reflector.Reflective board width
Consistent with photovoltaic module, length 1.2m meets and overlaps condition between front two rows photovoltaic module shown in Fig. 1.Front and rear row is each
One piece of reflector is matched to photovoltaic module；Reflective plate bracket is installed additional before the first row photovoltaic module of front, as shown in figure 3, per a piece of light
It lies prostrate component and matches one piece of reflector.Totally 6 pieces of reflectors, the connector shown in Fig. 4 are connected and fixed, and lower edge uses two on every piece of reflector
Secondary connector.
Two adjacent cloudless fine days are selected, measure no-reflection plate between 13:00~13:30 in the afternoon respectively and reflective lath is installed
System peak power output average value under part, while measuring irradiation level.As a result it is listed in table 1.
Embodiment 4.
A fixation Flat type photovoltaic assembly array electricity generation system for being installed on plane roof is chosen, is arranged more than totally 6 by 2 rows 3
Crystalline silicon photovoltaic module concatenates.Photovoltaic module faces due south inclination, tilts between ground level having a size of 1.64m × 0.99m
Angle is 25 degree, and horizontal space is 1.06m between photovoltaic module row.Using white color steel plate as reflector.Reflective board width and photovoltaic
Component is consistent, length 1.2m, meets and overlaps condition between front two rows photovoltaic module shown in Fig. 1.Every a pair of of the photovoltaic of front and rear row
Component matches one piece of reflector；Reflective plate bracket is installed additional before the first row photovoltaic module of front, as shown in figure 3, per a piece of photovoltaic module
With one piece of reflector.Totally 6 pieces of reflectors, the connector shown in Fig. 5 are connected and fixed, two secondary connections of lower edge on every piece of reflector
Part.
Two adjacent cloudless fine days are selected, measure no-reflection plate between 13:00~13:30 in the afternoon respectively and reflective lath is installed
System peak power output average value under part, while measuring irradiation level.As a result it is listed in table 1.
Embodiment 5.
A fixation Flat type photovoltaic assembly array electricity generation system for being installed on plane roof is chosen, is arranged more than totally 6 by 2 rows 3
Crystalline silicon photovoltaic module concatenates.Photovoltaic module faces due south inclination, folder is tilted between ground level having a size of 1.64m × 0.99m
Angle is 25 degree, and horizontal space is 1.06m between photovoltaic module row.Using white color steel plate as reflector.Reflective board width and photovoltaic group
Part is consistent, length 1.24m, and length needed for overlapping more than plane reflector between front two rows photovoltaic module shown in Fig. 1 exceeds portion
Point make reflector by flexible deformation self-assembling formation arc, as shown in Figure 2.Every a pair of of the photovoltaic module of front and rear row is reflective with one piece
Plate；Reflective plate bracket is installed additional before the first row photovoltaic module of front, as shown in Fig. 2, matching one piece of reflector per a piece of photovoltaic module.Altogether
6 pieces of reflectors, the connector shown in Fig. 3 are connected and fixed, two secondary connectors of lower edge on every piece of reflector.
Two adjacent cloudless fine days are selected, measure no-reflection plate between 13:00~13:30 in the afternoon respectively and reflective lath is installed
System peak power output average value under part, while measuring irradiation level.As a result it is listed in table 1.
The result listed by the table 1 can see, and can make fixed flat plate photovoltaic component photovoltaic generating system using the present invention
Power generation output power has a considerable promotion, and it is independent of special reflectorized material；In the case of same reflector material, cambered surface is anti-
Tabula rasa increases than plane reflector gain level.
Subordinate list explanation
Table 1 is by the average peak power output Pm of survey in each embodiment and corresponding average solar irradiation intensity I, and thus pushes away
The opposite synergy percentage RE calculated.Prediction equation are as follows:
RE=(PmHave/IHave- PmNothing/INothing)/(PmNothing/INothing) × 100%
Subscript " having " and "None" have respectively represented the reflective enhancing device of the present invention and when without this device in formula.
Table 1
Claims (5)
1. a kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system, including front-seat photovoltaic module,
Heel row photovoltaic module, assembly support, it is characterized in that front-seat photovoltaic module and heel row photovoltaic module row between neutral gear be equipped with it is reflective
Plate, reflector one end are connect with front-seat photovoltaic module apical margin by reflector connector, the other end and heel row photovoltaic module root edge
It is connected by reflector connector.
2. a kind of simple reflective synergy dress of fixed Flat type photovoltaic assembly array electricity generation system according to claim 1
It sets, it is characterized in that the reflector is plane reflector or curved reflecting board.
3. a kind of simple reflective synergy dress of fixed Flat type photovoltaic assembly array electricity generation system according to claim 1
It sets, it is characterized in that building row's bracket before first row photovoltaic module to connect installation and respectively arrange same reflector below.
4. a kind of simple reflective synergy dress of fixed Flat type photovoltaic assembly array electricity generation system according to claim 1
It sets, is constituted it is characterized in that the connector is combined by c-type clip and hinge, c-type clip is bolted to photovoltaic component frame
Or first row component fore-stock apical margin, hinge are bolted to the edge of reflector.
5. a kind of simple reflective synergy dress of fixed Flat type photovoltaic assembly array electricity generation system according to claim 4
It sets, it is characterized in that the hinge is single rotational structure hinge or double rotation structure hinge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129083.9A CN109245708A (en) | 2018-09-27 | 2018-09-27 | A kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129083.9A CN109245708A (en) | 2018-09-27 | 2018-09-27 | A kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system |
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Family
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| CN201811129083.9A Pending CN109245708A (en) | 2018-09-27 | 2018-09-27 | A kind of simple reflective enhancing device of fixed Flat type photovoltaic assembly array electricity generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166001A (en) * | 2019-06-21 | 2019-08-23 | 北京晶澳太阳能光伏科技有限公司 | A kind of photovoltaic generating system |
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