CN110771398A - Spotlight conversion type agricultural new forms of energy big-arch shelter - Google Patents
Spotlight conversion type agricultural new forms of energy big-arch shelter Download PDFInfo
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- CN110771398A CN110771398A CN201911074193.4A CN201911074193A CN110771398A CN 110771398 A CN110771398 A CN 110771398A CN 201911074193 A CN201911074193 A CN 201911074193A CN 110771398 A CN110771398 A CN 110771398A
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- shell
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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
- A01G9/14—Greenhouses
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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
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
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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
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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
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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
- A01G9/26—Electric devices
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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
- 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
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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
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a light-gathering conversion type agricultural new energy greenhouse, which comprises a square shell with a hollow structure and two first photovoltaic plates, wherein the shell is made of transparent materials, an opening is formed in the upper end of the shell, a plurality of groove plates are fixed at the opening, the groove plates are arranged in a bilateral symmetry mode, and the middle points of the groove plates are positioned on the same horizontal line; the opening part of frid and casing is provided with a plurality of soft follow-up membranes, the both ends intercommunication of casing has a plurality of risers, the intercommunication department veneer of riser and casing has the one deck osmotic membrane, the riser intussuseption is filled with saturated potassium nitrate. Has the advantages that: the device provided by the invention has a light condensation effect when the environmental temperature is lower, so that the intensity of light received by the plant leaves is higher, and the growth efficiency of the plant leaves is improved; when the ambient temperature is higher, the shell part weakens the illumination intensity of the structure of the plants below the greenhouse, avoids the occurrence of the photosynthetic mid-day break phenomenon of closed air holes of the plants, and improves the growth efficiency of the plants.
Description
Technical Field
The invention relates to the technical field of agricultural greenhouses, in particular to a light-gathering conversion type agricultural new energy greenhouse.
Background
Photosynthesis is the most dependent reaction of crop growth, and when the photosynthesis is stable and suitable, the photosynthesis effect is generally in a positive correlation with illumination intensity, at noon in summer with higher temperature, sunlight is strong, transpiration is strong, and if the plants open air holes to absorb carbon dioxide, water loss is fast, so that at noon with high temperature, the plants can close the air holes to store water, so that no carbon dioxide is used for photosynthesis, which is a phenomenon of photosynthesis in noon China.
Therefore, although the summer midday has the strongest illumination, the photosynthesis effect of crops in the period is extremely limited, and the crops are not beneficial to growth, so that the concentrating conversion type agricultural new energy greenhouse capable of improving the photosynthesis efficiency of the crops in the summer midday is provided.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a light-gathering conversion type agricultural new energy greenhouse.
In order to achieve the purpose, the invention adopts the following technical scheme: a light-gathering conversion type agricultural new energy greenhouse comprises a square shell with a hollow structure and two first photovoltaic plates, wherein the shell is made of transparent materials, an opening is formed in the upper end of the shell, a plurality of groove plates are fixed at the opening and are arranged in a bilateral symmetry mode, and the middle points of the groove plates are located on the same horizontal line;
a plurality of soft follow-up membranes are arranged at the openings of the groove plate and the shell, a plurality of vertical pipes are communicated with two ends of the shell, a permeable membrane is glued at the communication position of the vertical pipes and the shell, saturated potassium nitrate at 70 ℃ is filled in the vertical pipes, and a closed space formed by the shell, the groove plate and the follow-up membranes is filled with distilled water; the two first photovoltaic panels are respectively fixed on two sides of the shell.
In foretell spotlight conversion type agriculture new forms of energy big-arch shelter, every equal sealing sliding connection has a piston plate in the standpipe, a push rod of piston plate upper end fixedly connected with, the upper end of push rod is rotated and is connected with a dwang, the one end that the push rod was kept away from to the dwang is rotated and is connected with a second photovoltaic board, second photovoltaic board sliding connection is at the upper wall that corresponds the first photovoltaic board in position, just the lower wall sliding connection of second photovoltaic board and casing.
In the above-mentioned light-gathering conversion type new energy greenhouse for agriculture, the follower film includes an outer film, a middle film and an inner film, both ends of the outer film are respectively connected with the opening of the housing and the two most-lateral trough plates, both ends of the inner film are respectively fixed at the midpoint of the two most-medial trough plates, and the middle film is connected with any two adjacent trough plates except the outer film and the inner film;
the one end that is close to both sides of well membrane all is fixed in the mid point department that corresponds the frid, every the frid is close to the lateral wall at casing both ends and has all seted up a spout, every equal sliding connection has a slider in the spout, every the slider all with the adventitia, well membrane veneer of corresponding position fixed.
Compared with the prior art, the invention has the advantages that:
1. when the device is in spring, autumn or in an environment with proper temperature, the direct illumination intensity of sunlight does not enable the plants to reach the maximum photosynthesis degree, the concentration of potassium nitrate solution in the standpipe is low, and the follow-up film part protrudes upwards to enable the shell to be a Fresnel convex lens, so that the light condensing effect is generated on the light irradiated on the Fresnel convex lens. Gather together the sunlight that the top shines to the middle side of casing below, realize strengthening the effect of casing below intermediate position illumination intensity, increase the photosynthesis degree of corresponding position plant, accelerate vegetation.
2. Under the high-temperature condition at noon in summer, more distilled water in the shell enters the vertical pipe to enable the follow-up membrane to be in a downward convex state, and the shell integrally presents a Fresnel concave lens to generate an astigmatism effect so that the illumination intensity of a structure of a plant below the greenhouse is weakened; when illumination intensity reduces, the high temperature that appears by sunshine direct projection also can fade gradually on the plant leaf, and the gas pocket on the leaf just can open gradually, resumes stronger photosynthesis and guarantees that the plant can produce good photosynthesis effect all the time.
3. When the device is in a high-temperature environment, the refraction effect of the shell enables the illumination at two sides below the shell to be stronger than that at other external positions, in order to avoid negative influence caused by the stronger illumination of the part, a piston plate and a push rod are arranged in the vertical pipe, the piston plate changes along with the change of the height of the liquid level in the vertical pipe, and when the water amount in the vertical pipe is increased, namely the ambient temperature is increased, the push rod moves upwards to pull the second photovoltaic plate to be close to the middle of the shell, so that the stronger illumination at two sides of the shell is absorbed, and power is generated. The generated electric energy can be directly transmitted to a power grid or stored by a storage battery, and when the electric energy is brought to a dark condition at night, the electric energy supplies power to a light supplement lamp in the greenhouse to promote plants to continue photosynthesis.
In summary, the following steps: the device provided by the invention can show the light-gathering effect of the convex lens when the environmental temperature is lower, and collects the light rays which are directly projected from the upper part in the middle zone, so that the higher illumination intensity received by the plant leaves is ensured, and the growth efficiency of the plant leaves is improved; when the ambient temperature is higher, the shell part has the concave lens effect, so that the illumination intensity of the structure of the plants below the greenhouse is weakened, the phenomenon that the air holes of the plants are closed during photosynthetic noon break is avoided, and the growth efficiency of the plants is improved.
Drawings
Fig. 1 is a schematic structural view of a light-gathering conversion type agricultural new energy greenhouse according to the present invention;
fig. 2 is a schematic structural diagram of a light-gathering conversion type agricultural new energy greenhouse provided by the invention in another state;
fig. 3 is an enlarged schematic view of a portion a of fig. 1.
In the figure: the device comprises a shell 1, a groove plate 2, a follow-up membrane 3, an outer membrane 31, a middle membrane 32, an inner membrane 33, a vertical tube 4, a piston plate 5, a permeable membrane 6, a push rod 7, a rotating rod 8, a first photovoltaic plate 9, a second photovoltaic plate 10, a sliding chute 11 and a sliding block 12.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, a light-gathering conversion type agricultural new energy greenhouse comprises a square shell 1 with a hollow structure and two first photovoltaic panels 9, wherein the shell 1 is made of transparent materials, an opening is formed in the upper end of the shell 1, a plurality of groove plates 2 are fixed at the opening, the groove plates 2 are arranged symmetrically left and right, and the middle points of the groove plates 2 are located on the same horizontal line;
a plurality of soft follow-up membranes 3 are arranged at openings of the groove plate 2 and the shell 1, a plurality of vertical pipes 4 are communicated with two ends of the shell 1, a permeable membrane 6 is glued at the communication position of the vertical pipes 4 and the shell 1, saturated potassium nitrate at 70 ℃ is filled in the vertical pipes 4, and a closed space formed by the shell 1, the groove plate 2 and the follow-up membranes 3 is filled with distilled water; two first photovoltaic panels 9 are respectively fixed on both sides of the housing 1.
All sealing sliding connection has a piston board 5 in every standpipe 4, and a push rod 7 of 5 upper ends fixedly connected with of piston board, and the upper end of push rod 7 is rotated and is connected with a dwang 8, and the one end that push rod 7 was kept away from to dwang 8 is rotated and is connected with a second photovoltaic board 10, and second photovoltaic board 10 sliding connection is at the upper wall of the first photovoltaic board 9 of corresponding position, and the lower wall sliding connection of second photovoltaic board 10 and casing 1.
The follow-up membrane 3 comprises an outer membrane 31, a middle membrane 32 and an inner membrane 33, two ends of the outer membrane 31 are respectively connected with the opening of the shell 1 and the groove plates 2 at the two sides, two ends of the inner membrane 33 are respectively fixed at the middle points of the two innermost groove plates 2, and the middle membrane 32 is connected with any two adjacent groove plates 2 except the outermost membrane 31 and the inner membrane 33;
the one end that is close to both sides of well membrane 32 all is fixed in the mid point department that corresponds frid 2, and every frid 2 is close to the lateral wall at casing 1 both ends and has all seted up a spout 11, and equal sliding connection has a slider 12 in every spout 11, and every slider 12 all is fixed with adventitia 31, the gluing of well membrane 32 that correspond the position.
When the follow-up type agricultural crop cultivation device is used specifically, the shell 1 is partially arranged right above crops, the width of the shell 1 is slightly larger than that of a farmland, each groove plate 2 is made of a transparent material, the front end and the rear end (namely the two ends parallel to a paper surface) of the follow-up membrane 3 are in sealed sliding connection with the inner wall of the shell 1, and distilled water in the shell 1 cannot seep out of each connection part when the follow-up membrane 3 moves; and the solubility of potassium nitrate in water increases significantly with increasing temperature, with a solubility of 22g at 20 c and a solubility of 114.6g at 70 c.
When the device is in an environment with proper temperature in spring, autumn or the like, the temperature of the shell 1 is low, the solubility of potassium nitrate solution in the vertical tube 4 is low, namely the concentration of the potassium nitrate solution is low, all the parts of the follow-up membranes 3 are in an upward protruding state as shown in figure 1, the whole shell 1 is a Fresnel convex lens, and a light condensation effect is generated on light rays irradiated on the Fresnel convex lens; because the temperature is lower at this moment, the intensity of the solar illumination under the prior art does not enable the plants to reach the maximum photosynthesis degree, in the invention, the device gathers the sunlight irradiated from the upper part to the middle side below the shell 1, thereby realizing the effect of enhancing the illumination intensity of the middle position below the shell 1, increasing the photosynthesis degree of the plants at the corresponding positions and accelerating the growth of the plants.
When the device is in summer, particularly in a summer midday environment, the temperature of the environment can reach about 30 ℃, the shell 1 can reach more than 60 ℃ under the direct sunlight effect, at the moment, more potassium nitrate in the vertical tube 4 is dissolved, namely, the concentration of a potassium nitrate solution is higher, and obvious osmotic pressure exists on two sides of the osmotic membrane 6, under the condition, distilled water in the shell 1 can penetrate into the vertical tube 4 through the osmotic membrane 6, so that the liquid level in the vertical tube 4 is raised, the follow-up membrane 3 is changed into a downward convex state (shown in figure 2) from an initial state, the whole shell 1 is a Fresnel concave lens, and the light irradiated on the Fresnel concave lens generates a light scattering effect, so that the light received by plants below the greenhouse is weakened;
under the high-temperature condition at noon in summer, the temperature on the leaves is higher due to direct sunlight, the intensity of the received illumination on the leaves is also obviously higher, and under the dual actions of the temperature and the intensity of the illumination, the air holes of the plant leaves are easy to close, so that the photosynthetic effect is reduced; according to the invention, more distilled water in the shell 1 enters the vertical pipe 4 to change the follow-up membrane 3 into a downward convex state, and the shell 1 integrally presents a Fresnel concave lens to generate an astigmatism effect so that the illumination intensity of a structure of a plant below the greenhouse is weakened; when illumination intensity reduces, the high temperature that appears by sunshine direct projection also can fade gradually on the plant leaf, and the gas pocket on the leaf just can open gradually, resumes stronger photosynthesis and guarantees that the plant can produce good photosynthesis effect all the time.
The follow-up membrane 3 mainly depends on the sliding of the sliding blocks 12 in the sliding grooves 11 in the moving process, and when the distilled water permeates into the vertical pipe 4 due to the temperature rise, each sliding block 12 slides downwards to drive the follow-up membrane 3 to move synchronously.
When the device is in a high-temperature environment, the refraction effect of the shell 1 enables the illumination at two sides below the shell 1 to be stronger than that at other external positions, in order to avoid negative influence caused by the stronger illumination of the part, a piston plate 5 and a push rod 7 are arranged in the vertical pipe 4, the piston plate 5 changes along with the change of the height of the liquid level in the vertical pipe 4, when the water amount in the vertical pipe 4 is increased, namely the ambient temperature is increased, the push rod 7 moves upwards to pull the second photovoltaic plate 10 to be close to the middle of the shell 1, and the stronger illumination at two sides of the shell 1 is absorbed and power is generated. The generated electric energy can be directly transmitted to a power grid or stored by a storage battery, and when the greenhouse is in a dark condition at night, the electric energy supplies power to a light supplement lamp (not shown in the figure) in the greenhouse to promote the plants to continue photosynthesis.
Although the terms housing 1, channel plate 2, follower film 3, outer film 31, middle film 32, inner film 33, standpipe 4, piston plate 5, permeable membrane 6, push rod 7, turning rod 8, first photovoltaic plate 9, second photovoltaic plate 10, chute 11, slide 12, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (3)
1. A light-gathering conversion type agricultural new energy greenhouse comprises a square shell (1) with a hollow structure and two first photovoltaic plates (9), and is characterized in that the shell (1) is made of transparent materials, an opening is formed in the upper end of the shell (1), a plurality of groove plates (2) are fixed at the opening, the groove plates (2) are arranged in a bilateral symmetry mode, and the middle points of the groove plates (2) are located on the same horizontal line;
a plurality of soft follow-up membranes (3) are arranged at openings of the groove plate (2) and the shell (1), a plurality of vertical pipes (4) are communicated with two ends of the shell (1), a layer of permeable membrane (6) is glued at the communication position of the vertical pipes (4) and the shell (1), saturated potassium nitrate at 70 ℃ is filled in the vertical pipes (4), and a closed space formed by the shell (1), the groove plate (2) and the follow-up membranes (3) is filled with distilled water; the two first photovoltaic panels (9) are respectively fixed on two sides of the shell (1).
2. The concentrating conversion type agricultural new energy greenhouse according to claim 1, wherein a piston plate (5) is connected in each vertical pipe (4) in a sealing and sliding manner, a push rod (7) is fixedly connected to the upper end of the piston plate (5), a rotating rod (8) is connected to the upper end of the push rod (7) in a rotating manner, a second photovoltaic plate (10) is connected to one end, far away from the push rod (7), of the rotating rod (8) in a rotating manner, the second photovoltaic plate (10) is connected to the upper wall of the first photovoltaic plate (9) in the corresponding position in a sliding manner, and the second photovoltaic plate (10) is connected to the lower wall of the housing (1) in a sliding manner.
3. A light-gathering conversion type agricultural new energy greenhouse as claimed in claim 1, wherein the follow-up film (3) comprises an outer film (31), a middle film (32) and an inner film (33), two ends of the outer film (31) are respectively connected with the opening of the housing (1) and the two most lateral trough plates (2), two ends of the inner film (33) are respectively fixed at the middle points of the two most medial trough plates (2), and the middle film (32) is connected with any two adjacent trough plates (2) except the outer film (31) and the inner film (33);
the one end that is close to both sides of well membrane (32) is all fixed in the midpoint department that corresponds frid (2), every frid (2) are close to lateral wall at casing (1) both ends and have all seted up one spout (11), every equal sliding connection has a slider (12) in spout (11), every slider (12) all with adventitia (31), well membrane (32) veneer fixed that correspond the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911074193.4A CN110771398A (en) | 2019-11-06 | 2019-11-06 | Spotlight conversion type agricultural new forms of energy big-arch shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911074193.4A CN110771398A (en) | 2019-11-06 | 2019-11-06 | Spotlight conversion type agricultural new forms of energy big-arch shelter |
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| Publication Number | Publication Date |
|---|---|
| CN110771398A true CN110771398A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911074193.4A Withdrawn CN110771398A (en) | 2019-11-06 | 2019-11-06 | Spotlight conversion type agricultural new forms of energy big-arch shelter |
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| CN (1) | CN110771398A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113348918A (en) * | 2021-07-24 | 2021-09-07 | 山东齐昊新能源科技有限公司 | Air source heat pump system for planting greenhouse |
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| CN102088840A (en) * | 2008-07-11 | 2011-06-08 | 皇家飞利浦电子股份有限公司 | Illumination arrangement for illuminating horticultural growths |
| CN104280794A (en) * | 2009-03-13 | 2015-01-14 | 美商楼氏电子有限公司 | Lens assembly apparatus and method |
| CN107436496A (en) * | 2017-08-16 | 2017-12-05 | 邵洁茹 | Temperature compensation system |
| CN207895094U (en) * | 2018-02-26 | 2018-09-21 | 曾琪峰 | Varifocal convex lens |
| CN108925309A (en) * | 2018-08-02 | 2018-12-04 | 华中科技大学 | A kind of agricultural greenhouse self-sufficiency water system |
| CN109429801A (en) * | 2018-12-05 | 2019-03-08 | 鲜语智慧（广州）农业科技有限公司 | A kind of permutable implantation methods of different wavelengths of light |
| CN110337940A (en) * | 2019-08-22 | 2019-10-18 | 何军杰 | A kind of promotion crop growth dynamic illumination compensation system |
-
2019
- 2019-11-06 CN CN201911074193.4A patent/CN110771398A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088840A (en) * | 2008-07-11 | 2011-06-08 | 皇家飞利浦电子股份有限公司 | Illumination arrangement for illuminating horticultural growths |
| CN104280794A (en) * | 2009-03-13 | 2015-01-14 | 美商楼氏电子有限公司 | Lens assembly apparatus and method |
| CN107436496A (en) * | 2017-08-16 | 2017-12-05 | 邵洁茹 | Temperature compensation system |
| CN207895094U (en) * | 2018-02-26 | 2018-09-21 | 曾琪峰 | Varifocal convex lens |
| CN108925309A (en) * | 2018-08-02 | 2018-12-04 | 华中科技大学 | A kind of agricultural greenhouse self-sufficiency water system |
| CN109429801A (en) * | 2018-12-05 | 2019-03-08 | 鲜语智慧（广州）农业科技有限公司 | A kind of permutable implantation methods of different wavelengths of light |
| CN110337940A (en) * | 2019-08-22 | 2019-10-18 | 何军杰 | A kind of promotion crop growth dynamic illumination compensation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113348918A (en) * | 2021-07-24 | 2021-09-07 | 山东齐昊新能源科技有限公司 | Air source heat pump system for planting greenhouse |
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Application publication date: 20200211 |