Low-carbon high-efficiency photovoltaic greenhouse energy recycling system

Abstract

The invention relates to the technical field of greenhouses, in particular to a low-carbon efficient photovoltaic greenhouse energy recycling system which comprises a photovoltaic power generation unit, a water production unit, a wind power generation unit and an energy storage unit, the photovoltaic power generation unit comprises a photovoltaic glass plate laid on the top of a greenhouse, and the photovoltaic glass plate is connected with the energy storage unit through a photovoltaic inverter; the wind power generation unit is composed of a wind power generator, the wind power generator is connected with the energy storage unit through a controller, the water production unit comprises a water production machine and a water storage pool, the water production machine is connected with the energy storage unit and conveys water to the water storage pool for storage, and the water storage pool is dug in the area close to the greenhouse. The energy storage unit is electrically connected with various energy consumption devices in the greenhouse, existing mature photovoltaic and wind power generation facilities and the energy storage unit are connected in series to form energy storage, the intelligent control system is applied to various energy consumption devices, and water, electricity, heat and the like needed by agriculture, animal husbandry and the like are met.

Description

Technical Field

[0001] The present invention relates to the technical field of greenhouses, and in particular to a low-carbon and high-efficiency photovoltaic greenhouse energy recycling system. Background Art

[0002] Traditional agriculture and animal husbandry have high labor costs, low efficiency, high energy utilization and carbon emissions, especially in the arid areas of western China, where there are vast lands and the ecological environment is more fragile. Although there is sufficient sunlight, many areas are dry, windy and rainy, with large temperature differences between day and night. For the development of economic crops or high-quality animal husbandry, it is necessary to overcome water and energy problems and reduce carbon emissions. Therefore, a low-carbon and high-efficiency photovoltaic greenhouse energy recycling system is needed to solve water and energy problems and use local advantageous resources to develop high-value agriculture and animal husbandry on a large scale. It makes it possible to develop agriculture and animal husbandry in many harsh environmental areas in China, increase income for local people, and form industrialized production. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, this solution provides a low-carbon and high-efficiency photovoltaic greenhouse energy recycling system, which is achieved by the following specific technical means: including a photovoltaic power generation unit, a water production unit, a wind power generation unit and an energy storage unit. The photovoltaic power generation unit includes a photovoltaic glass panel laid on the top of the greenhouse, and the photovoltaic glass panel is connected to the energy storage unit through a photovoltaic inverter to convert light energy into electrical energy and store it; the wind power generation unit is composed of a wind turbine generator, and the wind turbine generator is connected to the energy storage unit through a controller to convert the energy generated by The electric energy converted from wind energy is stored in an energy storage unit. The water-making unit includes a water-making machine and a water reservoir. The water-making machine is connected to the energy storage unit and is started by the electric energy provided by the energy storage unit to condense the moisture in the inhaled humid air and transport it to the water reservoir for storage. The water reservoir is dug in an area close to the greenhouse. The energy storage unit is electrically connected to various energy-consuming equipment in the greenhouse. The energy-consuming equipment in the greenhouse includes spraying equipment, temperature control equipment, ventilation equipment, fill lighting equipment, etc. The water reservoir is connected to the spraying equipment in the greenhouse.

[0004] Preferred technical solution 1: A low-carbon and high-efficiency photovoltaic greenhouse energy recycling system also includes a central control unit, which is connected to the photovoltaic power generation unit, water production unit, wind power generation unit and energy storage unit through an Internet of Things module. At the same time, the central control unit is also connected to the energy-consuming equipment in the greenhouse.

[0005] Preferred technical solution 2: Temperature, humidity and light intensity sensors are arranged in the greenhouse, and the temperature, humidity and light intensity sensors are connected to the central control unit.

[0006] Optimal technical solution three: A surveillance camera connected to a central control unit is also provided in the greenhouse.

[0007] Preferred technical solution four: The central control unit also includes a pest identification module, which analyzes and identifies the insect video images collected by the surveillance camera. A pesticide spraying device is provided in the greenhouse, and the pesticide spraying device is electrically connected to the pest identification module. According to the type of identified pests, the pesticide is sprayed accordingly.

[0008] Preferred technical solution five: A storage database is provided in the central control unit.

[0009] Preferred technical solution six: the greenhouse is a planting greenhouse or a breeding greenhouse.

[0010] Preferred technical solution seven: The photovoltaic glass panel adopts cadmium telluride photovoltaic glass.

[0011] Preferred technical solution eight: the wind turbine is a breeze fan.

[0012] The above structure enables this solution to have the following beneficial effects: 1. Energy storage is formed by connecting existing mature photovoltaic and wind power generation facilities and energy storage units in series, and applied to water and heating equipment through intelligent control systems to meet the water, electricity, heat, etc. required by agriculture, animal husbandry, etc.

[0013] 2. Photovoltaic and wind power are stored in energy storage units, and then formed into reservoirs for agricultural irrigation through water makers. Through the intelligent management system, each system can be connected in series to power greenhouse lighting, pest control, water circulation, etc., forming a good energy recycling utilization; 3. Combining greenhouses, photovoltaic systems, and Internet of Things technology can monitor the greenhouse environment in real time, and can also automatically provide lighting, shading, temperature control, and irrigation. Photovoltaic power generation does not occupy excess land, and the excess electricity can also bring additional income to farmers. It is a new agricultural ecosystem that integrates low-carbon, green, environmental protection, tourism, and digitalization. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 This is the overall architecture diagram of this solution; Figure 2 This is the connection architecture diagram of the energy-consuming equipment, energy storage unit, water tank and central control unit in the greenhouse of this solution.

[0015] Among them, 1. Photovoltaic power generation unit, 101. Photovoltaic glass panel, 102. Photovoltaic inverter, 2. Water production unit, 201. Water maker, 202. Water reservoir, 3. Wind power generation unit, 301. Wind turbine, 302. Controller, 4. Energy storage unit, 5. Greenhouse, 501. Spraying equipment, 502. Temperature control equipment, 503. Ventilation equipment, 504. Lighting equipment, 505. Temperature, humidity, and light intensity sensors, 506. Surveillance camera, 507. Pest spraying device, 6. Central control unit, 601. Pest identification module, 602. Storage database, 7. Internet of Things module. Implementation

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 2 , a low-carbon and high-efficiency photovoltaic greenhouse energy recycling system, comprising a photovoltaic power generation unit 1, a water production unit 2, a wind power generation unit 3 and an energy storage unit 4, wherein the photovoltaic power generation unit 1 comprises a photovoltaic glass panel 101 laid on the top of a greenhouse 5, and the photovoltaic glass panel 101 is connected to the energy storage unit 4 through a photovoltaic inverter 102 to convert light energy into electrical energy and store it; The wind power generation unit 3 is composed of a wind generator 301, and the wind generator 301 is connected to the energy storage unit 4 through a controller 302; The water making unit 2 includes a water making machine 201 and a water reservoir 202. The water making machine 201 is connected to the energy storage unit 4. The water making machine 201 condenses the moisture in the sucked humid air and transports it to the water reservoir 202 for storage. The water reservoir 202 is dug in an area close to the greenhouse 5. The energy storage unit 4 is electrically connected to various energy-consuming devices in the greenhouse 5, and the water reservoir 202 is connected to the spraying equipment 501 in the greenhouse 5. Photovoltaic and wind power generation is stored in the energy storage unit, and then formed into a water reservoir 202 for agricultural irrigation through the water maker 201. Connecting each unit in series can provide support for a good energy cycle in the greenhouse.

[0018] See also Figure 2 , low-carbon and high-efficiency photovoltaic greenhouse energy recycling system, the energy-consuming equipment in the greenhouse 5 also includes temperature control equipment 502, ventilation equipment 503, supplementary lighting equipment 504, temperature, humidity, and light intensity sensors 505, monitoring cameras 506, and pharmaceutical spraying devices 507; The temperature control device 502 is used to adjust the room temperature in the greenhouse 5; The ventilation equipment 503 is used to replace the air inside and outside the greenhouse 5; The temperature, humidity and light intensity sensor 505 is used to monitor the temperature, humidity and light intensity in the greenhouse 5, so as to provide data guidance for the opening and closing of the spraying equipment 501, the temperature control equipment 502, the ventilation equipment 503 and the supplementary light equipment 504; The monitoring camera 506 collects images of the environment inside the greenhouse 5; The pesticide spraying device 507 is used to spray pesticides when insect pests occur.

[0019] See also Figure 1-Figure 2 The low-carbon and high-efficiency photovoltaic greenhouse energy recycling system also includes a central control unit 6, which is connected to the photovoltaic power generation unit 1, the water production unit 2, the wind power generation unit 3 and the energy storage unit 4 through the Internet of Things module 7. At the same time, the central control unit 6 is also connected to the energy-consuming equipment in the greenhouse 5, so as to intelligently control the spraying, temperature adjustment, ventilation adjustment, light adjustment and pest killing in the greenhouse 5.

[0020] See also Figure 1 , a low-carbon and high-efficiency photovoltaic greenhouse energy recycling system, the central control unit 6 also includes a pest identification module 601, the pest identification module analyzes and identifies the insect video images collected by the monitoring camera 506, and the greenhouse 5 is provided with a pesticide spraying device 507 electrically connected to the pest identification module 601, and the pesticide is sprayed accordingly according to the type of identified pests.

[0021] See also Figure 1 , low-carbon and high-efficiency photovoltaic greenhouse energy recycling system, the central control unit 6 is provided with a storage database 602 for storing various data collected by the central control unit 6.

[0022] See also Figure 1-Figure 2 , a low-carbon and high-efficiency photovoltaic greenhouse energy recycling system, wherein the greenhouse 5 is a planting greenhouse or a breeding greenhouse, and corresponding energy-consuming equipment is added according to the type of greenhouse 5, such as automatic feeding equipment, automatic manure scraping equipment, etc. are added to the breeding greenhouse 5.

[0023] See also Figure 1, a low-carbon and high-efficiency photovoltaic greenhouse energy recycling system, the photovoltaic glass panel 101 adopts cadmium telluride photovoltaic glass, the top of the greenhouse 5 adopts a serrated roof, the photovoltaic glass panel 101 is laid on the slope of the serrated roof, and the wind turbine 301 is a breeze fan, which can be optionally installed on the top of the greenhouse 5. The breeze fan technology represented by the vertical axis fan has greatly expanded the application scenarios of wind power generation. It no longer passes through the power grid, but directly supplies electricity to various distributed small and medium-sized loads, and combines with photovoltaics and energy storage to form a complementary green microgrid.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system, characterized by: The invention comprises a photovoltaic power generation unit (1), a water production unit (2), a wind power generation unit (3) and an energy storage unit (4), wherein the photovoltaic power generation unit (1) comprises a photovoltaic glass panel (101) laid on the top of a greenhouse (5), the photovoltaic glass panel (101) being connected to the energy storage unit (4) via a photovoltaic inverter (102) to convert light energy into electrical energy and store the energy; the wind power generation unit (3) comprises a wind generator (301), the wind generator (301) being connected to the energy storage unit (4) via a controller (302) to store the electrical energy converted from wind energy in the energy storage unit (4). In the energy unit (4), the water making unit (2) comprises a water making machine (201) and a water storage tank (202); the water making machine (201) is connected to the energy storage unit (4) and is used to condense moisture in the sucked humid air after being started by the electric energy provided by the energy storage unit (4) and transport it to the water storage tank (202) for storage; the water storage tank (202) is dug in an area close to the greenhouse (5); the water storage tank (202) is connected to the spraying equipment (501) in the greenhouse (5); and the energy storage unit (4) is electrically connected to the energy consuming equipment in the greenhouse (5).

2. The low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system according to claim 1 is characterized by: The energy-consuming equipment in the greenhouse (5) further includes temperature control equipment (502), ventilation equipment (503), and supplementary lighting equipment (504).

3. The low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system according to claim 2 is characterized by: The system also includes a central control unit (6), wherein the central control unit (6) is connected to the photovoltaic power generation unit (1), the water production unit (2), the wind power generation unit (3) and the energy storage unit (4) via an Internet of Things module (7), and the central control unit (6) is also connected to energy-consuming equipment in the greenhouse (5).

4. The low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system according to claim 3 is characterized by: The energy-consuming equipment also includes a monitoring camera arranged in the greenhouse (5) and connected to the central control unit (6).

5. The low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system according to claim 4 is characterized by: The central control unit (6) further comprises an insect pest identification module (601), which analyzes and identifies insect video images collected by the monitoring camera (506). The energy-consuming equipment further comprises an agent spraying device (507) arranged in the greenhouse (5), which is electrically connected to the insect pest identification module (601) and sprays insecticides accordingly according to the type of identified pests.

6. The low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system according to claim 3 is characterized by: The central control unit (6) is provided with a storage database (602).

7. The low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system according to claim 3 is characterized by: A temperature, humidity and light intensity sensor (505) is arranged in the greenhouse (5), and the temperature, humidity and light intensity sensor (505) is connected to a central control unit (6).

8. The low-carbon and high-efficiency photovoltaic greenhouse (5) energy recycling system according to claim 1 is characterized by: The greenhouse (5) is a planting greenhouse or a breeding greenhouse.

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