CN111802142A - Photovoltaic system of agricultural greenhouse - Google Patents

Photovoltaic system of agricultural greenhouse Download PDF

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Publication number
CN111802142A
CN111802142A CN202010577825.5A CN202010577825A CN111802142A CN 111802142 A CN111802142 A CN 111802142A CN 202010577825 A CN202010577825 A CN 202010577825A CN 111802142 A CN111802142 A CN 111802142A
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CN
China
Prior art keywords
wall
steel frame
fixed
bolts
photovoltaic system
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Pending
Application number
CN202010577825.5A
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Chinese (zh)
Inventor
朱根生
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010577825.5A priority Critical patent/CN111802142A/en
Publication of CN111802142A publication Critical patent/CN111802142A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/243—Collecting solar energy
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/22—Shades or blinds for greenhouses, or the like
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/246—Air-conditioning systems
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/247—Watering arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/20—Arrangements for moving or orienting solar heat collector modules for linear movement
    • 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
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

Abstract

The invention discloses a photovoltaic system of an agricultural greenhouse, and provides the following scheme aiming at the problem that a solar cell panel blocks sunlight from entering the greenhouse. The illumination sensor is provided with the low and high illumination intensity critical values, when the illumination is strong and the temperature is high in summer, the illumination sensor can support the shading cloth sleeve positioned at the bottom of the solar cell panel by using the electric telescopic rod after sensing signals, and the electric telescopic rod and the shading cloth sleeve are retracted after the external illumination intensity is lower than the set low illumination intensity critical value, so that the vegetation is protected to a certain extent.

Description

Photovoltaic system of agricultural greenhouse
Technical Field
The invention relates to the technical field of photovoltaic systems, in particular to a photovoltaic system of an agricultural greenhouse.
Background
Agriculture is an industry for obtaining products by artificial cultivation by utilizing growth and development rules of animals and plants. Agriculture belongs to first industry, often uses green house in the agricultural, and green house can be used to plant anti-season vegetables for people can eat the vegetables that should not plant in the season, makes people's diet richer, and along with the development of science and technology, more and more green house has been equipped with photovoltaic system.
The existing agricultural greenhouse photovoltaic system in the current market mostly has the following defects: photovoltaic system fixed connection can keep off sunshine on the big-arch shelter surface, and current patent is difficult to solve this type of problem, consequently, needs an agricultural greenhouse's photovoltaic system to solve above-mentioned problem urgently.
Disclosure of Invention
The invention provides a photovoltaic system of an agricultural greenhouse, which is based on the technical problem that a solar cell panel of the photovoltaic system of the existing agricultural greenhouse blocks sunlight from entering the greenhouse.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an agricultural greenhouse's photovoltaic system, is including supporting steelframe, first steelframe group, second steelframe group and a plurality of solar cell panel, one side of supporting steelframe top outer wall has first steelframe group through the bolt fastening, the opposite side of supporting steelframe top outer wall has second steelframe group through the bolt fastening, bolt fastening is passed through to one side that first steelframe group and second steelframe group contacted, it has first film to bond on the top outer wall of second steelframe group, the position that second steelframe group top outer wall is close to both sides all has a plurality of electronic slide rails through the bolt fastening, sliding connection has two sliders, two on one side inner wall of electronic slide rail the slider has same backing plate through the bolt fastening, solar cell panel passes through the bolt fastening on the top outer wall of backing plate.
As a still further scheme of the invention: and one side of the outer wall of the top of the second steel frame group is close to the position of the solar cell panel, and a glass plate is fixedly connected with the position of the outer wall of the top of the glass plate.
As a still further scheme of the invention: and a control box is fixed on the inner wall of one side of the second steel frame group through bolts, and a processor is fixed on the inner wall of one side of the control box through bolts.
As a still further scheme of the invention: the utility model discloses a solar cell panel, including solar cell panel, shading cloth cover, electric telescopic handle, light shading cloth cover, signal input part, signal output part, signal line and the signal input part of electric telescopic handle, it has the shading cloth cover to tie on solar cell panel's the bottom outer wall, the both sides of solar cell panel bottom outer wall all have the connecting plate through the bolt fastening, the connecting plate is located the inside of shading cloth cover, has electric telescopic handle through the bolt fastening on one side outer wall of connecting plate, and the one end of shading cloth cover is tied and is connected in the one end of electric telescopic handle extension rod, light sensor's signal output part passing signal line links.
As a still further scheme of the invention: and a fixing box is fixed on the inner wall of one side of the second steel frame group through bolts, a partition plate is fixed on the inner wall of one side of the fixing box through bolts, and a photovoltaic controller is fixed on the outer wall of one side of the partition plate through bolts.
As a still further scheme of the invention: the solar photovoltaic power generation device is characterized in that a storage battery is fixed on the inner wall of one side of the fixing box through a bolt, the solar cell panel is electrically connected with the photovoltaic controller, and the photovoltaic controller is electrically connected with the storage battery.
As a still further scheme of the invention: the glass plate is characterized in that a mounting opening is formed in the outer wall of one side of the glass plate, an air exchange valve is fixed to the inner wall of the mounting opening through bolts, and an air exchange fan is fixed to the outer wall of one side of the air exchange valve through bolts.
As a still further scheme of the invention: and a door body is hinged to the outer wall of one side of the supporting steel frame.
As a still further scheme of the invention: and a second film is bonded on the outer wall of one side of the first steel frame group.
As a still further scheme of the invention: the water inlet pipe is fixed on the inner wall of one side of the second steel frame group through bolts, the outer wall of one side of the water inlet pipe is connected with a plurality of atomizing nozzles in a threaded mode, and one end of the water inlet pipe is located outside the supporting steel frame.
The invention has the beneficial effects that:
1. through the arrangement of the illumination sensor, the electric slide rail, the electric telescopic rod and the shading cloth sleeve, the solar cell panel is arranged on the electric slide rail and driven by the electric slide rail, the phenomenon that the solar cell panel stays at the same position for a long time to influence the illumination of vegetation at the bottom is avoided, the illumination sensor is provided with low and high illumination intensity critical values, the shading cloth sleeve at the bottom of the solar cell panel can be supported by the electric telescopic rod after the illumination sensor senses signals, and the electric telescopic rod and the shading cloth sleeve are retracted after the external illumination intensity is lower than the set low illumination intensity critical value, so that the vegetation is protected to a certain extent;
2. through the photovoltaic controller and the storage battery, the light energy absorbed by the solar panel can be conveniently converted into electric energy and stored in the storage battery, the battery is protected from being overcharged and reflowed, and power can be supplied while the power is stored;
3. the ventilation valve is opened through the arranged ventilation valve and the ventilation fan, the ventilation in the greenhouse can be carried out by starting the ventilation fan, and the overhigh concentration of carbon dioxide in the greenhouse is avoided.
Drawings
Fig. 1 is a schematic perspective view of a photovoltaic system of an agricultural greenhouse in accordance with an embodiment 1 of the present invention;
fig. 2 is a schematic partial main sectional structure view of a photovoltaic system of an agricultural greenhouse in accordance with an embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a photovoltaic system of an agricultural greenhouse in accordance with embodiment 2 of the present invention.
In the figure: the solar photovoltaic water heater comprises a support steel frame 1, a door body 2, a first film 3, an electric sliding rail 4, a solar cell panel 5, a glass plate 6, a light sensor 7, an air exchange fan 8, an air exchange valve 9, a second film 10, a first steel frame group 11, a second steel frame group 12, a sliding block 13, a base plate 14, a connecting plate 15, a shading cloth sleeve 16, an electric telescopic rod 17, a fixed box 18, a photovoltaic controller 19, a partition plate 20, a storage battery 21, a control box 22, a processor 23, a water inlet pipe 24 and an atomizing nozzle 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-2, a photovoltaic system of green house, including supporting steelframe 1, first steelframe group 11, second steelframe group 12 and a plurality of solar cell panel 5, there is first steelframe group 11 one side of supporting 1 top outer wall of steelframe through the bolt fastening, there is second steelframe group 12 the opposite side of supporting 1 top outer wall of steelframe through the bolt fastening, bolt fastening is passed through to one side that first steelframe group 11 and second steelframe group 12 contacted, it has first film 3 to bond on the top outer wall of second steelframe group 12, the position that the top outer wall of second steelframe group 12 is close to both sides all has a plurality of electronic slide rails 4 through the bolt fastening, sliding connection has two sliders 13 on the inner wall of one side of electronic slide rail 4, two sliders 13 have same backing plate 14 through the bolt fastening, solar cell panel 5 passes through the bolt fastening on the top outer wall of backing plate 14.
According to the solar energy power generation device, a glass plate 6 is fixedly connected to one side of the outer wall of the top of a second steel frame group 12 close to a solar cell panel 5, an illumination sensor 7 is installed on the outer wall of the top of the glass plate 6, a control box 22 is fixed to the inner wall of one side of the second steel frame group 12 through bolts, a processor 23 is fixed to the inner wall of one side of the control box 22 through bolts, a shading cloth sleeve 16 is fastened to the outer wall of the bottom of the solar cell panel 5, connecting plates 15 are fixed to two sides of the outer wall of the bottom of the solar cell panel 5 through bolts, the connecting plates 15 are located inside the shading cloth sleeve 16, an electric telescopic rod 17 is fixed to the outer wall of one side of the connecting plates 15 through bolts, one end of the shading cloth sleeve 16 is fastened to one end of an extension rod of the electric telescopic rod 17, a signal output end of the illumination sensor 7 is connected with a signal input end of the processor 23 through a signal line.
There is fixed box 18 through the bolt fastening on one side inner wall of second steel frame group 12, has baffle 20 through the bolt fastening on one side inner wall of fixed box 18, has photovoltaic controller 19 through the bolt fastening on one side outer wall of baffle 20, has battery 21 through the bolt fastening on one side inner wall of fixed box 18, solar cell panel 5 and photovoltaic controller 19 electric connection, photovoltaic controller 19 and battery 21 electric connection.
The outer wall of one side of the glass plate 6 is provided with a mounting opening, the inner wall of the mounting opening is fixed with a ventilation valve 9 through bolts, and the outer wall of one side of the ventilation valve 9 is fixed with a ventilation fan 8 through bolts.
The outer wall of one side of the supporting steel frame 1 is hinged with a door body 2, and the outer wall of one side of the first steel frame group 11 is bonded with a second film 10.
During the use, solar cell panel 5 is located the surface expansion of green house one side, be convenient for absorb the sunlight, and convert the electric energy, solar cell panel 5 bottom is equipped with electronic slide rail 4, electronic slide rail 4 of periodic drive, make slider 13 slide, it removes to drive solar cell panel 5, thereby avoid covering the sunshine that is located 5 bottom vegetation of solar cell panel for a long time, it is comparatively even to make the vegetation obtain illumination time, light sensor 7 is equipped with low and high illumination intensity critical value, illumination is strong in summer, when the temperature is high, can utilize electric telescopic handle 17 to prop the shading cloth cover 16 that is located 5 bottom solar cell panel behind the light sensor 7 experience signal, withdraw electric telescopic handle 17 and shading cloth cover 16 again behind the low illumination intensity critical value that sets up outside illumination intensity, the vegetation is played certain protection.
Example 2
Referring to fig. 3, in the photovoltaic system of the agricultural greenhouse, in this embodiment, compared with embodiment 1, a water inlet pipe 24 is fixed on an inner wall of one side of the second steel frame set 12 through a bolt, a plurality of atomizing nozzles 25 are screwed on an outer wall of one side of the water inlet pipe 24, and one end of the water inlet pipe 24 is located outside the support steel frame 1.
During the use, one side of second steel frame group 12 is equipped with water storage pipe 24 and atomizer 25, can spray water in the big-arch shelter for the vegetation receives moisture, and is changeed growth, makes the vegetation receive the healthy vigorous growth of sunshine and moisture.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A photovoltaic system of an agricultural greenhouse comprises a supporting steel frame (1), a first steel frame group (11), a second steel frame group (12) and a plurality of solar panels (5), wherein the first steel frame group (11) is fixed on one side of the outer wall of the top of the supporting steel frame (1) through bolts, the second steel frame group (12) is fixed on the other side of the outer wall of the top of the supporting steel frame (1) through bolts, the first steel frame group (11) and the second steel frame group (12) are fixed on the contacted side through bolts, the photovoltaic system is characterized in that a first film (3) is bonded on the outer wall of the top of the second steel frame group (12), a plurality of electric sliding rails (4) are fixed on the positions, close to the two sides, of the outer wall of the top of the second steel frame group (12) through bolts, two sliding blocks (13) are connected on the inner wall of one side of each electric sliding rail (4) in a sliding mode, and the same base plate (14) is fixed on the two sliding blocks, the solar cell panel (5) is fixed on the outer wall of the top of the backing plate (14) through bolts.
2. The photovoltaic system of the agricultural greenhouse as claimed in claim 1, wherein a glass plate (6) is fixedly connected to one side of the top outer wall of the second steel frame set (12) close to the solar panel (5), and an illumination sensor (7) is installed on the top outer wall of the glass plate (6).
3. The photovoltaic system of an agricultural greenhouse as claimed in claim 2, wherein the second steel frame set (12) is fixed with a control box (22) on one side of the inner wall through bolts, and the processor (23) is fixed with a processor on one side of the inner wall of the control box (22) through bolts.
4. The photovoltaic system of the agricultural greenhouse as claimed in claim 3, wherein the outer wall of the bottom of the solar panel (5) is fastened with a shading cloth sleeve (16), the two sides of the outer wall of the bottom of the solar panel (5) are both fixed with connecting plates (15) through bolts, the connecting plates (15) are located inside the shading cloth sleeve (16), an electric telescopic rod (17) is fixed on the outer wall of one side of the connecting plates (15) through bolts, one end of the shading cloth sleeve (16) is fastened with one end of an extension rod of the electric telescopic rod (17), the signal output end of the illumination sensor (7) is connected with the signal input end of the processor (23) through a signal line, and the signal output end of the processor (23) is connected with the signal input end of the electric telescopic rod (17) through a signal line.
5. The photovoltaic system of the agricultural greenhouse as claimed in claim 1, wherein the second steel frame set (12) is fixed with a fixing box (18) on one side of the inner wall through bolts, a partition plate (20) is fixed with a bolt on one side of the inner wall of the fixing box (18), and a photovoltaic controller (19) is fixed with a bolt on one side of the outer wall of the partition plate (20).
6. The photovoltaic system of an agricultural greenhouse as claimed in claim 5, wherein the fixing box (18) has a battery (21) fixed on one side of the inner wall thereof by bolts, the solar panel (5) is electrically connected with the photovoltaic controller (19), and the photovoltaic controller (19) is electrically connected with the battery (21).
7. The photovoltaic system of the agricultural greenhouse as claimed in claim 2, wherein the glass plate (6) is provided with a mounting opening on one outer wall, the inner wall of the mounting opening is fixed with the ventilation valve (9) through bolts, and the outer wall of one side of the ventilation valve (9) is fixed with the ventilation fan (8) through bolts.
8. The photovoltaic system of an agricultural greenhouse as claimed in claim 1, wherein the outer wall of one side of the supporting steel frame (1) is hinged with a door body (2).
9. The photovoltaic system of an agricultural greenhouse of claim 1, wherein the second film (10) is adhered to one outer wall of the first steel frame group (11).
10. The photovoltaic system of an agricultural greenhouse as claimed in claim 1, wherein the second steel frame set (12) is fixed with a water inlet pipe (24) on one side of the inner wall through bolts, a plurality of atomizing nozzles (25) are screwed on the outer wall of one side of the water inlet pipe (24), and one end of the water inlet pipe (24) is located outside the supporting steel frame (1).
CN202010577825.5A 2020-06-23 2020-06-23 Photovoltaic system of agricultural greenhouse Pending CN111802142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010577825.5A CN111802142A (en) 2020-06-23 2020-06-23 Photovoltaic system of agricultural greenhouse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010577825.5A CN111802142A (en) 2020-06-23 2020-06-23 Photovoltaic system of agricultural greenhouse

Publications (1)

Publication Number Publication Date
CN111802142A true CN111802142A (en) 2020-10-23

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CN202010577825.5A Pending CN111802142A (en) 2020-06-23 2020-06-23 Photovoltaic system of agricultural greenhouse

Country Status (1)

Country Link
CN (1) CN111802142A (en)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN112616492A (en) * 2020-12-18 2021-04-09 张娜 Comprehensive energy recycling method for smart city
CN116369099A (en) * 2023-06-07 2023-07-04 青州市金鑫温室材料有限公司 Agricultural greenhouse ventilation heat recovery energy-saving device
CN116897738A (en) * 2023-09-07 2023-10-20 淄博景能科技有限公司 Photovoltaic ceiling shade system for greenhouse and working method thereof

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112616492A (en) * 2020-12-18 2021-04-09 张娜 Comprehensive energy recycling method for smart city
CN116369099A (en) * 2023-06-07 2023-07-04 青州市金鑫温室材料有限公司 Agricultural greenhouse ventilation heat recovery energy-saving device
CN116897738A (en) * 2023-09-07 2023-10-20 淄博景能科技有限公司 Photovoltaic ceiling shade system for greenhouse and working method thereof
CN116897738B (en) * 2023-09-07 2024-04-05 淄博景能科技有限公司 Photovoltaic ceiling shade system for greenhouse and working method thereof

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Application publication date: 20201023

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