CN210272395U - Solar photovoltaic cell panel of photovoltaic greenhouse - Google Patents
Solar photovoltaic cell panel of photovoltaic greenhouse Download PDFInfo
- Publication number
- CN210272395U CN210272395U CN201921133249.4U CN201921133249U CN210272395U CN 210272395 U CN210272395 U CN 210272395U CN 201921133249 U CN201921133249 U CN 201921133249U CN 210272395 U CN210272395 U CN 210272395U
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- Prior art keywords
- photovoltaic
- greenhouse
- photovoltaic cell
- solar
- power generation
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- 238000010248 power generation Methods 0.000 claims abstract description 31
- 239000010409 thin film Substances 0.000 claims description 6
- 239000005341 toughened glass Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010672 photosynthesis Methods 0.000 abstract description 11
- 230000029553 photosynthesis Effects 0.000 abstract description 11
- 230000005611 electricity Effects 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000009418 agronomic effect Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- UIPVMGDJUWUZEI-UHFFFAOYSA-N copper;selanylideneindium Chemical compound [Cu].[In]=[Se] UIPVMGDJUWUZEI-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- 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
Landscapes
- Greenhouses (AREA)
Abstract
The utility model provides a photovoltaic greenhouse's solar photovoltaic cell board, including the electricity generation cell board, the electricity generation cell board includes backplate and photovoltaic cell piece, the backplate is provided with fretwork portion and entity portion, entity portion surrounds fretwork portion, photovoltaic cell piece pastes and locates the surface of entity portion. The utility model has the advantages that: a part of sunlight is absorbed by the photovoltaic cell slice to generate electricity; the other part of sunlight can irradiate the interior of the greenhouse and provide the plants with photosynthesis; the shielded part leaves a small-area shadow at the bottom of the greenhouse, and the shadow can finish light and shade alternation within half an hour; the utility model discloses can be on guaranteeing that the required photovoltaic board coverage rate that photovoltaic power generation investment recovery period withdrawed the cost is close 50% or is greater than 50% basis, satisfy the daylighting requirement of the required photosynthesis of general vegetation simultaneously.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a solar cell panel specifically relates to a photovoltaic greenhouse's solar photovoltaic cell panel.
[ background of the invention ]
The solar cell panel is a device which directly or indirectly converts solar radiation energy into electric energy through a photoelectric effect, a photochemical effect or a photopiezoelectric effect by absorbing sunlight. The photovoltaic greenhouse has the contradiction that photovoltaic power generation and plant photosynthesis are mutually disputed, common researches show that when the coverage rate of a photovoltaic cell panel in the photovoltaic greenhouse is lower than 50%, the cost is difficult to recover in a reasonable investment period, and meanwhile, the researches show that when the coverage rate of the photovoltaic cell panel in the photovoltaic greenhouse is higher than 30%, common plants are difficult to obtain reasonable harvest in the photovoltaic greenhouse. This is an important problem affecting the development of photovoltaic greenhouses at present.
The common solar cell panel is formed by connecting photoelectric conversion units in series or in parallel on a panel into a large panel, and no matter the materials are monocrystalline silicon, polycrystalline silicon, amorphous silicon, gallium arsenide and selenium indium copper, no matter the materials are in a full shading panel type or a half shading film type, the common point is that the area shaded by the solar cell panel can generate weak light stress effect in plants to different degrees.
From the existing data documents, it is found that there is a completely transparent thin film photovoltaic cell at the university of mississin in the united states, which has no great influence on the growth of plants or office lighting, but the completely transparent thin film photovoltaic cell has high cost and low photovoltaic conversion efficiency, and has no effect of extracting energy resources and is not beneficial to recovering investment cost as evaluated from the perspective of solar power generation of a photovoltaic greenhouse.
The shortcoming of prior art is just not finding the coordinated mode that can balance between photovoltaic power generation and the photosynthesis, to these shortcomings, has proposed the technical scheme of the utility model.
[ Utility model ] content
For overcoming the defect that existing equipment exists, the utility model provides a photovoltaic greenhouse's solar photovoltaic cell panel is according to the mechanism that the photosynthesis was used in the illumination intensity change in-process of light to the plant influence to the scheme of solution has been proposed, adopts the utility model discloses can be close 50% or be greater than 50% basis at the required photovoltaic board coverage rate of guaranteeing photovoltaic power generation investment recovery period withdrawal cost, satisfy the daylighting requirement of the required photosynthesis of general vegetation simultaneously.
The utility model discloses a realize like this: the utility model provides a photovoltaic greenhouse's solar photovoltaic cell board, includes the electricity generation cell board, the electricity generation cell board includes backplate and photovoltaic cell piece, the backplate is provided with fretwork portion and entity portion, entity portion surrounds fretwork portion, photovoltaic cell piece pastes and locates the surface of entity portion.
Further, the hollow-out part is provided with a light-transmitting piece.
Further, the light-transmitting piece is a tempered glass plate.
Further, the hollow-out part is provided with a thin film photovoltaic cell.
Furthermore, the power generation unit plates are rectangular, and a plurality of power generation unit plates are adjacently spliced to form the solar photovoltaic main board.
Further, the length of the power generation unit plate is 150cm, the width of the power generation unit plate is 100cm, the number of the hollow parts is two, the length of each hollow part is 45cm, the width of each hollow part is 80cm, and the dimensional tolerance is +/-1 cm.
Furthermore, the solar photovoltaic main board is arranged on the roof of the photovoltaic greenhouse in an auxiliary mode, and the height of the roof of the photovoltaic greenhouse is at least 400 cm.
The utility model has the advantages that: a part of sunlight is absorbed by the photovoltaic cell slice to generate electricity; the other part of sunlight can irradiate the interior of the greenhouse and provide the plants with photosynthesis; the shielded part leaves a small-area shadow at the bottom of the greenhouse, and the shadow can finish light and shade alternation within half an hour; the utility model discloses can be on guaranteeing that the required photovoltaic board coverage rate that photovoltaic power generation investment recovery period withdrawed the cost is close 50% or is greater than 50% basis, satisfy the daylighting requirement of the required photosynthesis of general vegetation simultaneously.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a middle power generation unit plate of the present invention.
Fig. 2 is a schematic diagram of the splicing of the middle power generation unit plates of the present invention.
Fig. 3 is a first schematic view of the state of the solar photovoltaic cell panel laid on the roof beam of the photovoltaic greenhouse of the present invention.
Fig. 4 is a schematic diagram of the state of the solar photovoltaic cell panel laid on the roof beam of the photovoltaic greenhouse of the utility model II.
The labels in the figure are: the photovoltaic greenhouse comprises a power generation unit plate 1, a solid part 11, a hollow part 12, a photovoltaic greenhouse 2 and a beam 21.
[ detailed description ] embodiments
Referring to fig. 1 to 4, a solar photovoltaic cell panel of a photovoltaic greenhouse includes a power generation unit panel 1, where the power generation unit panel 1 includes a back panel and a photovoltaic cell, the back panel is provided with a hollow portion 12 and an entity portion 11, and the shape of the hollow portion 12 may be regular or irregular; the solid part 11 surrounds the hollow part 12, namely, a plurality of hollow spaces are formed inside the solar photovoltaic cell panel, and the hollow parts are completely hollow without other materials and are not shielded; sunlight directly irradiates the plants through the hollow parts 12; the photovoltaic cell piece is attached to the surface of the solid part 11, absorbs sunlight to generate electricity, and then collects, stores and utilizes the electricity; the solid portion 11 forms a shielding surface, and forms a shadow of a small area under the photovoltaic greenhouse 2.
Because of the rotation of the earth, the change of the angle of illumination of sunlight is by the utility model discloses a shadow that solar photovoltaic cell panel covered down also can produce the removal, consequently makes the plant can not be in the shadow for a long time. The utility model discloses a solar photovoltaic cell panel, the plant obtains the sunlight more effectively, and does not influence photovoltaic power generation's efficiency.
The area of the entity portion 11 of the solar photovoltaic cell panel, namely the area of the continuous shadow part of the plant under the covering of the solar photovoltaic cell panel, is and uses the utility model discloses a solar photovoltaic cell panel's effective height is relevant. By effective height is meant the optimal distance between the solar photovoltaic panel and the part of the plant that is primarily responsible for photosynthesis (usually the leaves), which is usually determined by the building designer of the photovoltaic greenhouse 2 and the plant growing agronomic engineer.
In one embodiment, the hollow portion 12 is provided with a light-transmitting member. The light-transmitting piece is a toughened glass plate; or transparent plastic film, and other materials which do not affect the effect of sunlight, i.e. the beneficial part of the sunlight is irradiated to the inside of the greenhouse without being hindered
In one embodiment, the hollow-out portion 12 is provided with a thin film photovoltaic cell. Sunlight penetrating through the thin-film photovoltaic cell does not have great influence on plant growth, a small amount of power generation can be performed, and solar energy is extracted more efficiently by combining the photovoltaic cell power generation of the solid part 11.
The power generation unit plates 1 are rectangular, and a plurality of power generation unit plates 1 are adjacently spliced to form a solar photovoltaic main board. This allows for better installation; the coverage rate of the photovoltaic cell panel in the photovoltaic greenhouse is close to 50% or more than 50% more effectively.
Because of the earth rotation orbit and around the position difference of sun revolution, shadow displacement speed and direction diverse under the solar photovoltaic cell panel covers combine effective height, require this photovoltaic greenhouse 2 to lay the utility model discloses a certain region of confirming in the greenhouse planting scope can be so that in the ordinary sunlight time quantum in the area of the fretwork portion 12 of solar photovoltaic cell panel, has at least a small segment time to be in the non-shadow state within half an hour, and half an hour here is the data of extracting based on the light required parameter of most common planting variety.
In the prior art, in order to balance the contradiction between photovoltaic power generation and photosynthesis, some technologies adopt a mode of arranging photovoltaic panels at intervals in a light collecting area, and due to the reason of installation cost and convenience in manufacturing, a large solar photovoltaic panel is usually paved, although the application of the mode improves the uniformity of a large-scale illumination environment in a photovoltaic greenhouse, large shadows can be left due to the interval of the large solar photovoltaic panels, and thus even if the shadows move, the shadows can stay on plant leaves in one area for 30 minutes or more; this phenomenon affects the photosynthesis of plants.
The utility model discloses a solar photovoltaic cell panel's in photovoltaic greenhouse the core principle of fretwork design does not let the shadow last dwell time reach 30 minutes at the plant leaf, and this is the limit that most plants were endured.
Usually, the distance between the photovoltaic panel of the roof of the photovoltaic greenhouse 2 and the ground is about four meters, and according to the existing measurement data, along with the change of the irradiation angle of sunlight, the shadow movement mode of the mass point with the height of four meters on the ground is as follows: the movement in the east-west direction is 1 meter every half hour, and the movement in the north-south direction is 0.2 meter every half hour. Therefore, be located the effective height of 4 meters height the utility model discloses the moving means of the shadow that the shading portion stayed does: the movement in the east-west direction is 1 meter every half hour, and the movement in the north-south direction is 0.2 meter every half hour. Thus, the size of the shading part of the solar photovoltaic cell panel is made as follows: the east-west direction is less than 1 meter, and the north-south direction is less than 0.2 meter. When the effective height is increased, the moving speed of the corresponding shadow is increased; as the effective height decreases, the moving speed of the corresponding shadow becomes slow.
Then, the size of the power generation cell plate 1 located at a height of four meters or more is set according to the actual specification and requirement of the power generation cell plate 1. The length of the power generation unit plate 1 is 150cm, the width is 100cm, the hollow parts 12 are rectangular and have two, the length of the hollow parts 12 is 45cm, the width of the hollow parts is 80cm, and the dimensional tolerance is +/-1 cm. The length here is the east-west direction, and the width here is the north-south direction; the solar photovoltaic main board is arranged on the roof of the photovoltaic greenhouse 2 in an auxiliary mode, and the height of the roof of the photovoltaic greenhouse 2 is at least 400 cm.
Referring to fig. 1, C1 takes 150cm, C2 takes 100cm, C3 takes 45cm, C4 takes 80cm, C5 takes 20cm, C6 takes 20cm, and C7 takes 10 cm; the total area of the power generation cell plates 1 in the figure is 150cm × 100cm to 15000cm2The area of the hollow-out portion 12 is 2 × 45cm × 80cm ═ 7200cm2The coverage rate of the photovoltaic cell of the power generation unit plate 1 is (15000-. Here is only the utility model discloses a fretwork overall arrangement scheme, the scheme of other fretwork overall arrangement transform that meet the requirements is also in the utility model discloses a within range.
Referring to fig. 3, the solid part 11 of the back plate of the present invention is fixedly mounted on the roof beam 21 of the photovoltaic greenhouse 2, wherein H1 takes 400 cm; the solar photovoltaic mainboard of the utility model is laid on the roof with the height of four meters of the photovoltaic greenhouse 2 in a plane form, and the effective height of the solar photovoltaic mainboard is at least four meters; referring to fig. 4, the solar photovoltaic main board of the present invention is fixed on the roof beam 21 of the photovoltaic greenhouse in the form of an inclined sharp corner, wherein H2 takes 400 cm; the effective height of the lowest end of the solar photovoltaic main board is at least four meters; the moving speed of the shadow left in this way conforms to the design principle that the shadow does not stay on the plant leaves for 30 minutes.
The utility model discloses a solar photovoltaic cell panel is last to cover the regional area of sunlight and photovoltaic board height to between the plant daylighting region, will guarantee along with the factor of earth rotation, within half an hour, does not have a daylighting region, is in the area of shadow always.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The utility model provides a solar photovoltaic cell panel of photovoltaic greenhouse which characterized in that: the photovoltaic cell plate comprises a power generation unit plate body, wherein the power generation unit plate body comprises a back plate and a photovoltaic cell piece, the back plate is provided with a hollow-out portion and an entity portion, the entity portion surrounds the hollow-out portion, and the photovoltaic cell piece is attached to the surface of the entity portion.
2. The solar photovoltaic panel of a photovoltaic greenhouse of claim 1, wherein: the hollow part is provided with a light transmission piece.
3. The solar photovoltaic panel of a photovoltaic greenhouse of claim 2, wherein: the light-transmitting piece is a toughened glass plate.
4. The solar photovoltaic panel of a photovoltaic greenhouse of claim 1, wherein: the hollow-out part is provided with a thin film photovoltaic cell.
5. The solar photovoltaic panel of a photovoltaic greenhouse of claim 1, wherein: the power generation unit plates are rectangular, and the plurality of power generation unit plates are adjacently spliced into the solar photovoltaic main board.
6. The solar photovoltaic panel of a photovoltaic greenhouse of claim 5, wherein: the length of the power generation unit plate is 150cm, the width is 100cm, the hollow parts are rectangular and are two, the length of the hollow parts is 45cm, the width of the hollow parts is 80cm, and the dimensional tolerance is +/-1 cm.
7. The solar photovoltaic panel of a photovoltaic greenhouse of claim 6, wherein: the solar photovoltaic main board is arranged on the roof of the photovoltaic greenhouse in an auxiliary mode, and the height of the roof of the photovoltaic greenhouse is at least 400 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133249.4U CN210272395U (en) | 2019-07-18 | 2019-07-18 | Solar photovoltaic cell panel of photovoltaic greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133249.4U CN210272395U (en) | 2019-07-18 | 2019-07-18 | Solar photovoltaic cell panel of photovoltaic greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210272395U true CN210272395U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921133249.4U Expired - Fee Related CN210272395U (en) | 2019-07-18 | 2019-07-18 | Solar photovoltaic cell panel of photovoltaic greenhouse |
Country Status (1)
| Country | Link |
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| CN (1) | CN210272395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876105A (en) * | 2022-04-27 | 2022-08-09 | 浙江合特光电有限公司 | Photovoltaic curtain wall and processing technology thereof |
| CN119051543A (en) * | 2024-02-16 | 2024-11-29 | 三亚豺特光伏科技有限公司 | Dynamic wind-resistant flexible photovoltaic bracket power generation system |
-
2019
- 2019-07-18 CN CN201921133249.4U patent/CN210272395U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876105A (en) * | 2022-04-27 | 2022-08-09 | 浙江合特光电有限公司 | Photovoltaic curtain wall and processing technology thereof |
| CN119051543A (en) * | 2024-02-16 | 2024-11-29 | 三亚豺特光伏科技有限公司 | Dynamic wind-resistant flexible photovoltaic bracket power generation system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20200718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |