CN113345974A - Complementary photovoltaic power generation device of farming light - Google Patents

Complementary photovoltaic power generation device of farming light Download PDF

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Publication number
CN113345974A
CN113345974A CN202110601271.2A CN202110601271A CN113345974A CN 113345974 A CN113345974 A CN 113345974A CN 202110601271 A CN202110601271 A CN 202110601271A CN 113345974 A CN113345974 A CN 113345974A
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China
Prior art keywords
power generation
generation device
light
battery
photovoltaic power
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CN202110601271.2A
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Chinese (zh)
Inventor
杨军
尹永生
刘勇
史爽
张晖
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Beijing Chiner New Energy Technology Co ltd
Das Solar Co Ltd
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Beijing Chiner New Energy Technology Co ltd
Das Solar Co Ltd
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Priority to CN202110601271.2A priority Critical patent/CN113345974A/en
Publication of CN113345974A publication Critical patent/CN113345974A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/0481Encapsulation of modules characterised by the composition of the encapsulation material
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/243Collecting solar energy
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/26Electric devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Environmental Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The embodiment of the application discloses complementary photovoltaic power generation device of farming light, this complementary photovoltaic power generation device of farming light includes: a plurality of battery assemblies including a plurality of battery sheets and a light receiving layer; the photovoltaic power generation device comprises a plurality of battery pieces, a light receiving layer, a plurality of light receiving layers and a plurality of battery pieces, wherein the light receiving layer is a flexible light receiving layer, gaps are formed between adjacent battery pieces in the plurality of battery pieces, so that the whole formed by the light receiving layer and the plurality of battery pieces can be bent by utilizing the flexibility of the light receiving layer and the gaps between the plurality of battery pieces, and further the battery assembly is bent, so that the battery assembly can be installed in an application scene with the same shape and height of the installation surface and the battery assembly, and can also be installed in an application scene with the different contact surface of the installation surface and the battery assembly, and the photovoltaic power generation device can be suitable for more application scenes, and is beneficial to improving the practicability of the photovoltaic power generation device.

Description

Complementary photovoltaic power generation device of farming light
Technical Field
The application relates to the technical field of photovoltaics, in particular to an agricultural light complementary photovoltaic power generation device.
Background
Solar energy has become a very important clean energy due to the great advantages of safety, reliability, no pollution, no noise, no exhaustion and the like, so that people have very strong interest in the development and utilization of solar energy, and the agricultural light complementary photovoltaic power generation device gradually enters the field of view of the public and is rapidly developed.
However, the existing agricultural light complementary photovoltaic power generation device can only be installed in an application scene that the installation surface and the battery pack are in the same shape and height, so that the application scene of the agricultural light complementary photovoltaic power generation device is limited to a certain extent, and further the practical application of the agricultural light complementary photovoltaic power generation device is limited. Therefore, it is a research focus of those skilled in the art to provide an agricultural photovoltaic power generation device that can be applied to more application scenarios.
Disclosure of Invention
In order to solve the technical problem, an embodiment of the present application provides an agricultural light complementary photovoltaic power generation device, and the agricultural light complementary photovoltaic power generation device can be applied to more application scenarios, and is helpful for improving the practicability of the agricultural light complementary photovoltaic power generation device.
In order to solve the above problem, the embodiment of the present application provides the following technical solutions:
an agricultural photovoltaic power generation device, comprising:
the battery assembly comprises a light receiving layer and a plurality of battery plates positioned on the first side surface of the light receiving layer;
the light-receiving layer is a flexible light-receiving layer, and gaps are reserved between adjacent battery plates in the plurality of battery plates.
Optionally, the light receiving layer is an organic material layer.
Optionally, the light-receiving layer is a polytetrafluoroethylene material layer.
Optionally, the state of the light-receiving layer includes a natural state in which each portion of the light-receiving layer satisfies a coplanar condition and a bent state in which at least one portion of the light-receiving layer does not satisfy the coplanar condition with other portions; in the bending state, the light receiving layer comprises at least one bending part, the included angle between the plane of the bending part and a preset plane is 0-40 degrees, the included angle comprises a right end point value, and the preset plane is parallel to the plane of the light receiving layer in the natural state.
Optionally, the battery assembly further includes an adhesive layer, where the adhesive layer is used to adhere the plurality of battery pieces to the first side surface of the light-receiving layer, and the adhesive layer is a flexible adhesive layer.
Optionally, the battery assembly further includes a protection layer, the protection layer is located on a side of the plurality of battery pieces opposite to the light-receiving layer, and is used for protecting the plurality of battery pieces, wherein the protection layer is a flexible protection layer.
Optionally, the battery pack further comprises a supporting element, the plurality of battery packs are fixed on the supporting element, wherein a gap is formed between adjacent battery packs arranged along a first direction in the plurality of battery packs on the supporting element, projections of adjacent battery packs arranged along a second direction in the plurality of battery packs on the supporting element along the second direction are at least partially non-overlapping, a gap is formed in the supporting element, the gap in the supporting element corresponds to the gap between adjacent battery packs in the plurality of battery packs, and the first direction is perpendicular to the second direction.
Optionally, the method further includes: the rotating element is connected with the supporting element and used for driving the supporting element to rotate.
Optionally, the method further includes: and the output end of the power supply element is connected with the rotating element so as to drive the rotating element, and the input end of the power supply element is connected with the battery assembly so as to charge the power supply element through the battery assembly.
Optionally, the method further includes: a support post coupled to the rotating element for supporting the rotating element.
Compared with the prior art, the technical scheme has the following advantages:
the technical scheme provided by the embodiment of the application comprises the following steps: the battery assembly comprises a light receiving layer and a plurality of battery plates positioned on the first side surface of the light receiving layer; the photovoltaic component comprises a plurality of battery pieces, a light receiving layer, a plurality of light receiving layers and a plurality of solar cells, wherein the light receiving layer is a flexible light receiving layer, so that the light receiving layer can be bent, gaps are formed between adjacent battery pieces in the plurality of battery pieces, the whole formed by the light receiving layer and the plurality of battery pieces can be bent by utilizing the flexibility of the light receiving layer and the gaps between the plurality of battery pieces, and further bending of the battery component is realized, so that the battery component can be installed in an application scene with a mounting surface and a battery component in the same height, and can also be installed in an application scene with a mounting surface and a battery component in a different shape, and the photovoltaic power generation device with the complementation of agricultural light can be suitable for more application scenes, and is beneficial to improving the practicability of the photovoltaic power generation device with the complementation of agricultural light.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a battery assembly of a conventional agricultural photovoltaic power generation device;
fig. 2 is a schematic structural diagram of a battery assembly of an agricultural photovoltaic power generation device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a battery assembly of another agricultural photovoltaic power generation device provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a battery assembly of yet another photovoltaic power generation apparatus for agricultural light complementation according to an embodiment of the present application;
fig. 5 is a front view of an agricultural photovoltaic power generation device provided in an embodiment of the present application;
fig. 6 is a distribution diagram of an application scenario of an agricultural photovoltaic power generation device provided in an embodiment of the present application;
fig. 7 is a side view of an agricultural photovoltaic power generation apparatus provided in an embodiment of the present application;
fig. 8 is a solar ray shielding analysis diagram of an agricultural light complementary photovoltaic power generation device provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present application, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
As described in the background section, in order to improve the practicability of the photovoltaic power generation device, it is a research focus of those skilled in the art to provide a photovoltaic power generation device that is compatible with more application scenarios.
As shown in fig. 1, a battery assembly of a conventional photovoltaic power generation apparatus includes: the solar cell module comprises a protective layer 101, a cell piece 102, an adhesive layer 103 and a light receiving layer 104, wherein the light receiving layer 104 is a toughened glass layer and has high rigidity, so that the cell module can only be installed in an application scene with a mounting surface and the same shape and height as the cell module, otherwise, the contact surface of the cell module cannot be highly attached to the mounting surface, so that the cell module has a high risk of falling off from the mounting surface, the reliability of the photovoltaic power generation device with complementation of agricultural light is affected, the application scene of the photovoltaic power generation device with complementation of agricultural light is limited, and the practicability of the photovoltaic power generation device with complementation of agricultural light is further limited.
In addition, in the existing agricultural light complementary photovoltaic power generation device, the light receiving layer of the battery assembly is a toughened glass layer with a large weight, so that the light receiving layer has a large weight, and further the battery assembly has a large weight, so that the battery assembly has a risk of falling off from the agricultural light complementary photovoltaic power generation device due to the large weight of the battery assembly, and the reliability of the agricultural light complementary photovoltaic power generation device is affected.
In addition, since the battery assembly in the existing photovoltaic device cannot be bent, when the shape of the battery assembly is complex, if the shape of the supporting element is consistent with the shape of the battery assembly, the shape of the supporting element is also complex, so that the manufacturing technology of the supporting element is high, and it is difficult to obtain a satisfactory supporting element.
Based on this, this application embodiment provides a complementary photovoltaic power generation device of farming light, as shown in fig. 2, this complementary photovoltaic power generation device of farming light includes:
a plurality of battery assemblies 10, wherein each battery assembly 10 comprises a light-receiving layer 14 and a plurality of battery plates 12 positioned on the first side surface of the light-receiving layer 14;
wherein, the light-receiving layer 14 is a flexible light-receiving layer, and a gap L1 is provided between adjacent battery plates 12 in the plurality of battery plates 12.
In particular, in the embodiment of the present application, the light-receiving layer in the battery assembly is a flexible light-receiving layer, so that the light-receiving layer can realize bending, and gaps are arranged between adjacent battery plates in the plurality of battery plates, so that the whole formed by the light-receiving layer and the plurality of battery plates can be bent by utilizing the flexibility of the light-receiving layer and the gaps between the adjacent battery plates in the plurality of battery plates, further realizing the bending of the battery pack, so that the battery pack can be installed not only in an application scene that the installation surface is highly consistent with the shape of the battery pack, but also in an application scene that the installation surface is not consistent with the shape of the battery pack, therefore, the agricultural photovoltaic power generation device can be suitable for more application scenes, and the practicability of the agricultural photovoltaic power generation device is improved. It should be noted that, in the embodiments of the present application, specific values of gaps between adjacent battery pieces in the plurality of battery pieces are not limited, and are determined as the case may be.
Optionally, in an embodiment of the present application, the cell is a crystalline silicon solar cell, but the present application does not limit this, as the case may be.
Optionally, in an embodiment of the present application, the light-receiving layer is an organic material layer, but the present application does not limit this, and in other embodiments of the present application, the light-receiving layer may also be another material layer that can be bent, as the case may be.
On the basis of the above embodiment, in an embodiment of the present application, the light-receiving layer is a polytetrafluoroethylene material layer, and compared with tempered glass in a battery assembly of an existing agricultural light complementary photovoltaic power generation device, the light-receiving layer is made of the polytetrafluoroethylene material layer, so that the light-receiving layer has excellent performances such as corrosion resistance, wear resistance, high toughness and the like, and therefore the light-receiving layer can not only protect a battery piece in the battery assembly and receive illumination, but also has flexibility, can be bent, and is beneficial to realizing the bending of the battery assembly. However, the present application is not limited thereto, as the case may be.
It should be noted that, compared with tempered glass used for a light receiving layer in a battery module of an existing agricultural light complementary photovoltaic power generation device, a polytetrafluoroethylene material used for the light receiving layer in the battery module of the agricultural light complementary photovoltaic power generation device provided in the embodiment of the present application also has a characteristic of small weight, so that the weight of the light receiving layer in the agricultural light complementary photovoltaic power generation device provided in the embodiment of the present application is only 40% of the weight of the light receiving layer in the existing agricultural light complementary photovoltaic power generation device on the premise that the volumes of the light receiving layers are the same, that is, on the premise that the volumes of the light receiving layers are the same, the weight of the light receiving layer in the agricultural light complementary photovoltaic power generation device provided in the embodiment of the present application is reduced by 60% relative to the weight of the light receiving layer in the existing agricultural light complementary photovoltaic power generation device, and the weight of the light receiving layer in the agricultural light complementary photovoltaic power generation device provided in the embodiment of the present application can be reduced, and then can reduce the weight of the battery pack in the complementary photovoltaic power generation device of farming light that this application embodiment provided, reduce the risk of droing that the battery pack in the complementary photovoltaic power generation device of farming light that this application embodiment provided leads to because self weight is too big, help improving the reliability of complementary photovoltaic power generation device of farming light.
On the basis of the above-described embodiments, in one embodiment of the present application, the state of the light-receiving layer includes a natural state in which portions of the light-receiving layer satisfy a coplanar condition, and a bent state in which at least one portion of the light-receiving layer does not satisfy the coplanar condition with other portions; in the bending state, the light receiving layer comprises at least one bending part, the included angle between the plane of the bending part and a preset plane is 0-40 degrees, the included angle comprises a right end point value, and the preset plane is parallel to the plane of the light receiving layer in the natural state.
It should be noted that, because the battery pieces in the battery assembly cannot be bent and the intervals between the battery pieces in the battery assembly are small, the battery pieces in the battery assembly are damaged due to collision between the battery pieces and adjacent battery pieces caused by an excessively large bending angle of the battery assembly. Therefore, in this embodiment of the application, in order to avoid the battery piece in the battery pack from being damaged due to the excessive bending of the battery pack, the light-receiving layer is in the bending state, the value range of the included angle formed by the bending part and the preset plane of the light-receiving layer is 0 to 40 degrees and includes a right end point value, that is, the battery pack is in the bending state, the value range of the included angle formed by the bending part and the preset plane of the battery pack is 0 to 40 degrees and includes a right end point value.
Preferably, in an embodiment of the present application, the light-receiving layer is in the bent state, an included angle formed between the bent portion of the light-receiving layer and a preset plane is 30 °, that is, the battery assembly is in the bent state, and an included angle formed between the bent portion of the battery assembly and the preset plane is 30 °, so that the battery assembly can be bent, and a battery sheet in the battery assembly cannot be damaged. However, the present application is not limited thereto, as the case may be.
On the basis of the above embodiments, in an embodiment of the present application, as shown in fig. 3, the battery assembly 10 further includes an adhesive layer 13, the adhesive layer 13 is used for adhering the plurality of battery pieces 12 to the light-receiving layer 14, wherein the adhesive layer 13 is a flexible adhesive layer, so that the adhesive layer 13 can be bent, and further on the premise that the light-receiving layer 14 can be bent, the battery assembly 10 can be bent, thereby improving the practicability of the photovoltaic power generation device with complementation of agricultural light.
And the state of the adhesive layer includes a natural state in which each part of the adhesive layer satisfies a coplanar condition and a bent state in which at least one part of the adhesive layer does not satisfy the coplanar condition with other parts; under the bending state, the adhesive linkage includes at least one bending part, the value range of the contained angle that bending part place plane and preset plane become is 0 ~ 40, including right end point value, preset plane is on a parallel with the plane that the adhesive linkage was place when in natural state can avoid among the battery pack battery piece because battery pack excessively bends and takes place the damage.
Preferably, in an embodiment of the present application, the adhesive layer is in the bent state, and the included angle between the bent portion of the adhesive layer and a predetermined plane is 30 °, but the present application does not limit this, as the case may be. Optionally, in an embodiment of the present application, the adhesive layer is a polyethylene octene material layer (POE material layer for short), but the present application does not limit this, as the case may be.
On the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 4, the battery assembly 10 further includes a protective layer 11, where the protective layer 11 is located on a side of the plurality of battery pieces 12 away from the light-receiving layer 14, and is used for protecting the battery pieces 12, where the protective layer 11 is a flexible protective layer, so that the protective layer 11 can be bent, and further on the premise that the light-receiving layer 14 can be bent, the battery assembly 10 can be bent, which is helpful for improving the practicability of the photovoltaic power generation apparatus with complementation of agricultural light.
And the state of the protective layer includes a natural state in which each portion of the protective layer satisfies a coplanar condition and a bent state in which at least one portion of the protective layer does not satisfy the coplanar condition with other portions; under the bending state, the protective layer includes at least one bending part, the value range of the contained angle that bending part place plane and preset plane become is 0 ~ 40, including right end point value, preset plane is on a parallel with the plane that the protective layer was place when being in natural state, can avoid among the battery pack battery piece because battery pack excessively bends and takes place the damage.
Preferably, in an embodiment of the present application, the protection layer is in the bent state, and an included angle between the bent portion of the protection layer and a predetermined plane is 30 °, but the present application does not limit this, as the case may be. Optionally, in an embodiment of the present application, the protective layer is a polyethylene octene material layer (POE material layer for short), but the present application does not limit this, as the case may be.
On the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 5, the photovoltaic power generation apparatus further includes: a supporting member 15, wherein a gap L2 is formed between two adjacent cell assemblies 10 arranged along the first direction in the plurality of cell assemblies 10 on the supporting member 15, a projection of the adjacent cell assemblies 10 arranged along the second direction in the plurality of cell assemblies 10 along the second direction is at least partially non-overlapping, that is, a projection of the adjacent cell assemblies 10 arranged along the second direction in the plurality of cell assemblies 10 along the second direction is partially non-overlapping or completely non-overlapping, and a gap L3 is also formed on the supporting member 15, and the gap L3 on the supporting member 15 corresponds to the gap L2 between the adjacent cell assemblies 10 in the plurality of cell assemblies 10, so as to reduce the blocking of solar rays on the basis of ensuring the power generation capacity, so that the solar rays can pass through the gap between the cell assemblies and the gap on the supporting member to generate electricity through the complementary photovoltaic power generation of the agricultural light On the vegetation in the environment where the device is located, the sunlight transmittance of the environment where the photovoltaic power generation device is located is guaranteed, so that the sunlight coverage of the environment where the photovoltaic power generation device is located is guaranteed, the photovoltaic power generation device can be installed in the environment with covered plants, and particularly is suitable for the environments such as farmlands and nurseries with crop coverage, and negative influence on the growth of crops in the environment where the photovoltaic power generation device is located is avoided. It should be noted that the first direction is perpendicular to the second direction.
Specifically, in the embodiment of the present application, a gap is formed between adjacent battery assemblies in the plurality of battery assemblies fixed on the support element, and a gap is also formed on the support element, when wind blows in an environment where the complementary photovoltaic power generation device of agricultural light is located, wind can pass through the gap between the battery assemblies and the gap on the support element from one side of the surface of the battery assembly to the other side of the battery assembly, that is, when wind blows in the environment where the complementary photovoltaic power generation device of agricultural light is located, wind can pass through the gap between the battery assemblies and the gap on the support element, wind resistance generated by wind blowing on the surface of the battery assembly is reduced, a risk of falling off of the battery assembly due to large wind resistance is reduced, and reliability of the complementary photovoltaic power generation device of agricultural light is improved. In addition, the wind in the environment where the agricultural photovoltaic power generation device is located can penetrate through the gaps between the battery assemblies and the gaps on the supporting elements and blow over, and when the wind in the environment where the agricultural photovoltaic power generation device is located is large, the wind resistance of the surface of the battery assembly in the agricultural photovoltaic power generation device is smaller than that of the surface of the battery assembly of the existing agricultural photovoltaic power generation device, so that the agricultural photovoltaic power generation device has good wind resistance, the agricultural photovoltaic power generation device can be installed in the environment with a severe natural environment, and the practicability of the agricultural photovoltaic power generation device is improved.
Moreover, as shown in fig. 6, when the environment where the photovoltaic power generation device is located is covered by vegetation, gaps are formed between adjacent ones of the plurality of battery modules fixed on the supporting element and arranged along the first direction, that is, the plurality of battery modules are arranged at intervals on the supporting element, and the supporting element is also provided with gaps, so that solar rays can irradiate the vegetation through the gaps between the adjacent battery modules and the gaps on the supporting element, the area of the vegetation covered by the battery modules is reduced, the transmittance of the solar rays of the environment where the photovoltaic power generation device is located is ensured, the coverage of the solar rays in the environment where the photovoltaic power generation device is located is ensured, and the influence of the photovoltaic power generation device on the vegetation photosynthesis in the environment where the photovoltaic power generation device is located is further weakened, and the projections of the adjacent battery components arranged along the second direction in the plurality of battery components along the second direction are at least partially not overlapped, so that the shielding of the sunlight by the sunlight complementary photovoltaic power generation device can be reduced as much as possible on the basis of ensuring the power generation amount, the coverage rate of the sunlight of the environment where the sunlight complementary photovoltaic power generation device is located can be further ensured, the influence of the sunlight complementary photovoltaic power generation device on the vegetation photosynthesis in the environment where the sunlight complementary photovoltaic power generation device is located can be further weakened, the normal growth of vegetation in the environment where the sunlight complementary photovoltaic power generation device is located can not be influenced by the sunlight complementary photovoltaic power generation device, the sunlight complementary photovoltaic power generation device can be installed in a place where the vegetation is covered, and the sunlight complementary photovoltaic power generation device is particularly suitable for the environments such as farmlands and nurseries with crop coverage, and can not have negative influence on the growth of crops in the environments such as the farmlands and nurseries where the sunlight complementary photovoltaic power generation device is located, the installation scenes of the agricultural light complementary photovoltaic power generation device are increased, and the practicability of the agricultural light complementary photovoltaic power generation device is improved.
It should be noted that, because crops coverage area in China is very wide, the complementary photovoltaic power generation device of farming light provided by the embodiment of the present application can be applied to an application scene covered by crops, and does not affect the normal growth of the crops in the environment where the complementary photovoltaic power generation device of farming light is located, so that the complementary photovoltaic power generation device of farming light can be installed in the environment covered by the crops, and thus the complementary photovoltaic power generation device of farming light has strong practicability, and is helpful for the application and the wide popularization of the complementary photovoltaic power generation device of farming light.
In addition, the battery pack of the complementary photovoltaic power generation device of farming light that this application embodiment provided can realize crooked, and then when will the battery pack fixes on the support element, the battery pack can enough with the support element height laminating of battery pack shape unanimity, can with the support element height laminating of battery pack shape inconsistent again, thereby can fix the battery pack more firmly on the support element, reduce the risk that the battery pack drops from the support element, improve the reliability of the complementary photovoltaic power generation device of farming light.
In addition, because the battery assembly can be bent, when the shape of the battery assembly is complex, the agricultural light complementary photovoltaic power generation device provided by the embodiment of the application does not need to prepare a supporting element with a complex shape, the battery assembly can be highly attached to the supporting element by bending the battery assembly, the manufacturing requirement for preparing the supporting element is reduced, and the supporting element meeting the requirement is easy to prepare.
Meanwhile, as can be seen from the above, the weight of the battery assembly in the photovoltaic power generation device complementary to agricultural light provided by the embodiment of the present application is lower than that of the battery assembly in the existing photovoltaic power generation device complementary to agricultural light, and the pressure of the battery assembly on the supporting element can be reduced, so that the requirement on the supporting capability of the supporting element is reduced, the requirement on the supporting performance of the material for manufacturing the supporting element is reduced, the variety of the material for manufacturing the supporting element is increased, and when the supporting element is manufactured, on the premise that the supporting performance of the supporting element is ensured, the material with a relatively low price can be selected, which is beneficial to reducing the manufacturing cost of the supporting element to a certain extent, and further reducing the manufacturing cost of the photovoltaic power generation device complementary to agricultural light.
Preferably, in an embodiment of the present application, gaps between adjacent battery modules arranged in the first direction in the plurality of battery modules are the same as an extension length of the battery modules in the arrangement direction, so that the number of the battery modules of the complementary photovoltaic power generation device for agricultural light is not affected by too large intervals between the battery modules, and the generated energy of the complementary photovoltaic power generation device for agricultural light is not affected too much by too small intervals between the battery modules, but the present application does not limit this to the above situation, depending on the situation.
It should be noted that, gaps between adjacent ones of the plurality of battery modules arranged in the first direction in the photovoltaic power generation device are the same as the extended lengths of the battery modules in the arrangement direction, and projections of adjacent ones of the plurality of battery modules arranged in the second direction are at least partially non-overlapping, so that the transmittance of solar rays irradiated on the surfaces of the plurality of battery modules in the photovoltaic power generation device is not lower than 50%, the transmittance of solar rays is high, the coverage of solar rays in the environment where the photovoltaic power generation device is located is high, the influence of the photovoltaic power generation device on the photosynthesis of vegetation in the environment where the photovoltaic power generation device is located can be reduced, and the photovoltaic power generation device can be installed in an environment with vegetation covered plants, the device is particularly suitable for the environments such as farmlands and nurseries with crop coverage, and has no negative influence on the growth of crops in the environments such as farmlands and nurseries where the photovoltaic power generation device is located, so that the photovoltaic power generation device has high practicability, and is beneficial to application and vigorous popularization of the photovoltaic power generation device.
It should be noted that, in order to collect as much solar energy as possible to obtain more electric energy, in practical use of the complementary photovoltaic power generation device, an included angle between the light receiving surface of the cell module and the sunlight needs to be always kept at 90 °. Therefore, on the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 7, the complementary photovoltaic power generation device for agricultural light further includes a rotating element 16, and the rotating element 16 is connected to the supporting element 15 and is configured to drive the supporting element 15 to rotate, so as to drive the plurality of battery modules fixed on the supporting element 15 to rotate, so that an included angle between the second side surface of the light receiving layer in the plurality of battery modules and a solar ray is always kept at 90 °, so that the plurality of battery modules fixed on the supporting element 15 can collect as much solar energy as possible and convert the collected solar energy into electric energy, thereby obtaining as much electric energy as possible. Note that the second side surface of the light-receiving layer is opposite to the first side surface of the light-receiving layer.
Specifically, in this application embodiment, the rotating element can drive according to the change of the sun ray the support element is rotatory, and then the drive is fixed a plurality of battery pack on the support element are rotatory, so that the contained angle between the second side surface of photic layer and the sun ray of a plurality of battery pack keeps 90 all the time, thereby makes to be fixed a plurality of battery pack on the support element can collect as much solar energy as possible to convert the solar energy of collecting into the electric energy, obtain as much electric energy as possible.
Moreover, when the environment in which the photovoltaic power generation device is located is covered by vegetation, as shown in fig. 8, the rotating element drives the supporting element to rotate, so that an included angle between the second side surfaces of the light receiving layers of the plurality of battery assemblies and sunlight is always kept at 90 °, when the photovoltaic power generation device works, only vegetation located in west of the photovoltaic power generation device is shielded in the morning, only vegetation located in east of the photovoltaic power generation device is shielded in the afternoon, shielding of sunlight which is irradiated onto the vegetation by the photovoltaic power generation device can be reduced, so that the radiation amount of the sunlight which is received by the vegetation in the environment in which the photovoltaic power generation device is located is not less than 75% of the radiation amount of the sunlight which is not shielded by the photovoltaic power generation device, which is helpful for ensuring the transmittance of the sunlight in the environment in which the photovoltaic power generation device is located, therefore, the coverage rate of sunlight rays of the environment where the agricultural light complementary photovoltaic power generation device is located is guaranteed, the influence of the agricultural light complementary photovoltaic power generation device on the photosynthesis of vegetation in the environment where the agricultural light complementary photovoltaic power generation device is located is weakened, the normal growth of the vegetation in the environment where the agricultural light complementary photovoltaic power generation device is located is not influenced, the agricultural light complementary photovoltaic power generation device can be installed in the place where the vegetation is covered, and the agricultural light complementary photovoltaic power generation device is particularly suitable for being installed in the environments such as farmlands and nurseries with crop coverage, so that the agricultural light complementary photovoltaic power generation device is high in practicability, and the application and the popularization of the agricultural light complementary photovoltaic power generation device are facilitated.
On the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 7, the complementary photovoltaic power generation device further includes a power supply element 161, an output end of the power supply element 161 is connected to the rotating element 16, and is configured to supply power to the rotating element 16, so that the rotating element 16 can drive the supporting element 15 to rotate, and further an included angle between the second side surfaces of the light receiving layers of the plurality of battery assemblies and the sunlight is always kept at 90 °, and an input end of the power supply element 161 is connected to the battery assembly 10, so that the power supply element 161 can be charged by using the electric energy generated by the battery assembly 10, and thus the rotating element can be driven to rotate, so that the complementary photovoltaic power generation device can charge the power supply element by using the electric energy generated by itself, the power supply element can drive the rotating element to rotate, and the power supply element does not need to be charged by commercial power, so that the electric energy generated by the agricultural light complementary photovoltaic power generation device is effectively utilized as much as possible. It should be noted that, in an embodiment of the present application, an input end of the power supply element is connected to one of the battery assemblies to be charged by using the electric energy generated by the battery assembly, but the present application is not limited thereto, and in other embodiments of the present application, an output end of the power supply element may be connected to at least two of the battery assemblies to be charged by using the electric energy generated by the battery assemblies, as the case may be.
Specifically, as is known from the foregoing, the weight of the battery assembly in the photovoltaic power generation device with complementary sunlight provided by the embodiment of the present application is smaller, so that the power when the rotating element drives the battery assembly to rotate is lower, the power consumption of the rotating element can be reduced, and therefore, the consumption of the electric energy of the power supply element by the rotating element can be reduced.
In addition, in the embodiment of the application, the power supply element is charged by the electric energy generated by the battery assembly, and does not need to be charged by commercial power, so as to ensure the normal operation of the rotating element, thereby being beneficial to improving the automation degree of the photovoltaic power generation device with complementation of agricultural light, and the power supply element can be circularly charged and discharged, when the electric quantity of the power supply element is insufficient or exhausted, the power supply element can be charged by the battery assembly without frequently replacing the battery assembly, the cost input and the labor input of maintaining the photovoltaic power generation device with complementation of agricultural light can be saved, and the practicability of the photovoltaic power generation device with complementation of agricultural light can be improved.
Optionally, in an embodiment of the present application, the power supply element is a storage battery, but the present application does not limit this, as the case may be.
On the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 7, the complementary photovoltaic power generation device further includes a supporting column 17, where the supporting column 17 is connected to the rotating element 16 and is used for supporting the rotating element, so that a certain distance is provided between the rotating element and the ground, thereby providing a rotating space for the battery assembly, so that the rotating element can drive the battery assembly to rotate. Moreover, in the embodiment of the present application, the supporting column of the photovoltaic power generation device with complementary sunlight has a certain height, so that the photovoltaic power generation device with complementary sunlight can be suitable for being installed in an environment where the vegetation height is smaller than the height of the supporting column, and is particularly suitable for being used in an environment where trees with a lower height cover, for example, an environment where shrubs and other short trees cover, which is helpful for improving the practicability of the photovoltaic power generation device with complementary sunlight, and further is helpful for popularization and application of the photovoltaic power generation device with complementary sunlight.
To sum up, the complementary photovoltaic power generation device of farming light that this application embodiment provided includes: a plurality of battery assemblies including a plurality of battery sheets and a light receiving layer; the photovoltaic component comprises a plurality of battery pieces, a light receiving layer, a plurality of light receiving layers and a plurality of solar cells, wherein the light receiving layer is a flexible light receiving layer, so that the light receiving layer can be bent, gaps are formed between adjacent battery pieces in the plurality of battery pieces, the whole formed by the light receiving layer and the plurality of battery pieces can be bent by utilizing the flexibility of the light receiving layer and the gaps between the plurality of battery pieces, and further the battery component is bent, so that the battery component can be installed in an application scene with the height of the installation surface consistent with that of the contact surface of the battery component, and can also be installed in an application scene with the height of the installation surface inconsistent with that of the contact surface of the battery component, and the photovoltaic power generation device can be suitable for more application scenes, and the practicability of the photovoltaic power generation device can be.
In addition, according to the agricultural photovoltaic power generation device with the complementary solar light, the weight of the light receiving layer in the battery assembly of the agricultural photovoltaic power generation device is small, the weight of the battery assembly can be reduced, the falling risk of the battery assembly caused by overlarge weight is further reduced, and the reliability of the agricultural photovoltaic power generation device with the complementary solar light is improved.
In addition, the complementary photovoltaic power generation device of farming light that this application embodiment provided still includes the support component, the battery is fixed on the support component, and battery pack can be crooked, thereby makes battery pack can with the high laminating of support component improves the complementary photovoltaic power generation device of farming light's reliability, can also reduce the preparation requirement to the support component simultaneously for it is easier to obtain the support component that accords with the requirement.
In addition, the complementary photovoltaic power generation device of farming light that this application embodiment provided, have the interval between the adjacent battery pack among a plurality of battery packs, can reduce the windage on battery pack surface improves the complementary photovoltaic power generation device of farming light's reliability can also guarantee simultaneously the rate of coverage of the sunlight of the complementary photovoltaic power generation device of farming light environment, makes complementary photovoltaic power generation device of farming light can install in having the environment of planting and covering, improves complementary photovoltaic power generation device of farming light's practicality.
All parts in the specification are described in a mode of combining parallel and progressive, each part is mainly described to be different from other parts, and the same and similar parts among all parts can be referred to each other.
In the above description of the disclosed embodiments, features described in various embodiments in this specification can be substituted for or combined with each other to enable those skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a complementary photovoltaic power generation device of farming light which characterized in that includes:
the battery assembly comprises a light receiving layer and a plurality of battery plates positioned on the first side surface of the light receiving layer;
the light-receiving layer is a flexible light-receiving layer, and gaps are reserved between adjacent battery plates in the plurality of battery plates.
2. The agricultural photovoltaic generator of claim 1, wherein the light-receiving layer is an organic material layer.
3. The agricultural photovoltaic power generation device with complementation of claim 2, wherein the light receiving layer is a polytetrafluoroethylene material layer.
4. The agricultural photovoltaic power generation apparatus according to claim 1, wherein the state of the light-receiving layer includes a natural state in which portions of the light-receiving layer satisfy a coplanar condition and a bent state in which at least one portion of the light-receiving layer does not satisfy the coplanar condition with other portions; in the bending state, the light receiving layer comprises at least one bending part, the included angle between the plane of the bending part and a preset plane is 0-40 degrees, the included angle comprises a right end point value, and the preset plane is parallel to the plane of the light receiving layer in the natural state.
5. The agricultural photovoltaic hybrid power generation device according to claim 1, wherein the battery assembly further comprises an adhesive layer for adhering the plurality of battery pieces to the first side surface of the light receiving layer, and the adhesive layer is a flexible adhesive layer.
6. The agricultural photovoltaic complementary photovoltaic power generation device according to claim 1, wherein the battery assembly further comprises a protective layer, the protective layer is located on a side of the plurality of battery pieces away from the light receiving layer and is used for protecting the plurality of battery pieces, and the protective layer is a flexible protective layer.
7. The photovoltaic device according to claim 1, further comprising a support member, wherein the plurality of cell assemblies are fixed on the support member, wherein a gap is formed between adjacent ones of the plurality of cell assemblies on the support member, the adjacent ones of the plurality of cell assemblies on the support member are arranged along a first direction, projections of the adjacent ones of the plurality of cell assemblies on the support member along a second direction are at least partially non-overlapping, the support member has a gap thereon, and the gap on the support member corresponds to a gap between adjacent ones of the plurality of cell assemblies, and the first direction is perpendicular to the second direction.
8. The agricultural photovoltaic hybrid power generation device according to claim 7, further comprising: the rotating element is connected with the supporting element and used for driving the supporting element to rotate.
9. The agricultural photovoltaic hybrid power generation device according to claim 8, further comprising: and the output end of the power supply element is connected with the rotating element so as to drive the rotating element, and the input end of the power supply element is connected with the battery assembly so as to charge the power supply element through the battery assembly.
10. The agricultural photovoltaic hybrid power generation device according to claim 8, further comprising: a support post coupled to the rotating element for supporting the rotating element.
CN202110601271.2A 2021-05-31 2021-05-31 Complementary photovoltaic power generation device of farming light Pending CN113345974A (en)

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