CN116208079A - Photovoltaic power station system with vegetation conservation function and vegetation maintenance method - Google Patents

Photovoltaic power station system with vegetation conservation function and vegetation maintenance method Download PDF

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Publication number
CN116208079A
CN116208079A CN202310289473.7A CN202310289473A CN116208079A CN 116208079 A CN116208079 A CN 116208079A CN 202310289473 A CN202310289473 A CN 202310289473A CN 116208079 A CN116208079 A CN 116208079A
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photovoltaic module
photovoltaic
vegetation
electric lifting
controller
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Inventor
王峰
李悦
桂林华
张国春
王怡
贺晴
李茜
潘发明
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Sichuan Forestry And Grassland Investigation And Planning Institute Sichuan Forestry And Grassland Ecological Environment Monitoring Center
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Sichuan Forestry And Grassland Investigation And Planning Institute Sichuan Forestry And Grassland Ecological Environment Monitoring Center
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Priority to CN202310289473.7A priority Critical patent/CN116208079A/en
Publication of CN116208079A publication Critical patent/CN116208079A/en
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    • 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
    • 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
    • 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
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425—Horizontal axis
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10—Cleaning arrangements
    • 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
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • 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

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention belongs to the technical field of photovoltaic power generation, and relates to a photovoltaic power station system with a vegetation conservation function and a vegetation maintenance method, wherein the system comprises the following components: a plurality of electric lifting rods; a support frame; the support frame is provided with a photovoltaic module; a plurality of photovoltaic modules are fixed at equal intervals; a light transmission detection device is arranged on the photovoltaic module; and a motor cleaning device is fixedly arranged above the photovoltaic module and the support frame. According to the invention, the adjustment of the vegetation illumination intensity by adjusting the inclination angle of the photovoltaic module and the ground is realized by adjusting the height of each electric lifting rod; and the light transmittance of the photovoltaic module is detected through the light transmittance detection device, and when the light transmittance of the photovoltaic module is lower than a set value, the photovoltaic module is cleaned through the motor cleaning device, so that the light transmittance of the photovoltaic module is improved, and healthy growth of vegetation is protected.

Description

Photovoltaic power station system with vegetation conservation function and vegetation maintenance method
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power station system with a vegetation conservation function and a vegetation maintenance method.
Background
The existing photovoltaic power generation equipment is large in occupied area, is mostly arranged in areas with weak environment and strong illumination, and has the characteristics of industrialization and regionalization. The large-area photovoltaic power generation equipment is arranged in a concentrated mode, and at places with weak illumination, the photovoltaic power generation equipment shields vegetation, so that lighting of the vegetation is not facilitated, the vegetation cannot grow, and vegetation protection cultivation cannot be performed; in places with strong illumination, because the photovoltaic power generation equipment is densely arranged, the original lighting environment of vegetation is destroyed, the ecological environment problem occurs, and serious desertification occurs in many places where the photovoltaic power generation equipment is installed because the vegetation cannot normally grow.
Disclosure of Invention
In order to solve the technical problems, the invention provides a photovoltaic power station system with a vegetation conservation function and a vegetation maintenance method.
The present disclosure provides a photovoltaic power plant system with vegetation conservation function, comprising:
a plurality of electric lifting rods; the height of each electric lifting rod is adjustable;
a support frame; the support frame is provided with a photovoltaic module; a plurality of photovoltaic modules are fixed at equal intervals; the photovoltaic module is provided with a light transmission detection device; a plurality of motor cleaning devices are fixedly arranged above the photovoltaic module and the supporting frame, the light transmittance detection device detects the light transmittance of the photovoltaic module, and the motor cleaning devices clean the upper surface of the photovoltaic module;
the supporting frame is arranged at an inclined angle by adjusting the height of each electric lifting rod;
the angle between the plane of the photovoltaic module on the support frame and the electric lifting rod is adjusted by adjusting the relative height between the electric lifting rods;
a control box is arranged below the support frame; a controller, an inverter, a transformer and a storage battery are arranged in the control box; the output end of the photovoltaic module is electrically connected with the input end of the transformer through the inverter; the input end of the inverter and the output end of the transformer are electrically connected with the input end of the controller; the control output end of the controller is in electrical signal connection with the control input end of the inverter; the output end of the transformer is electrically connected with the storage battery;
the input end of the light transmission detection device is in electrical signal connection with the input end of the controller; the control output end of the controller is connected with the motor through the motor driver in an electric signal manner; the output end of the motor is connected with the cleaning mechanism;
the output end of the controller is electrically connected with the control input end of the electric lifting rod and the control input end of the motor cleaning device;
the output end of the storage battery is electrically connected with the power input end of the electric lifting rod and the power input end of the motor cleaning device.
In a second aspect, the present invention provides a vegetation maintenance method based on a photovoltaic power station system having a vegetation conservation function, including:
setting the distance between each photovoltaic power station system, setting the initial height of each electric lifting rod and setting the initial inclination angle between the photovoltaic module and the horizontal plane;
setting the initial length and width of each photovoltaic module and the height of a supporting frame;
the controller acquires the local time by utilizing the network clock, and calculates the solar altitude angle according to the local time;
the controller adjusts the heights of the electric lifting rods according to the solar elevation angle, and adjusts the heights of the photovoltaic modules by utilizing the electric lifting rods, so that the inclination angle between the photovoltaic modules and the horizontal plane is changed, and the area of a shielding area under the alignment of the photovoltaic modules is changed;
detecting the light transmittance of the photovoltaic module through a light transmittance detection device;
and judging the light transmittance of the photovoltaic module, and if the light transmittance of the photovoltaic module is smaller than a set reference value, sending a command to a motor cleaning device by the controller to clean until the light transmittance of the photovoltaic module is larger than or equal to the set reference value.
The beneficial effects of the invention are as follows: according to the invention, the inclination angle of the photovoltaic assembly and the ground is adjusted by adjusting the height of each electric lifting rod, the shielding area of the photovoltaic power generation system for plant lighting is adjusted, and the illumination intensity of vegetation is adjusted; the light transmittance of the photovoltaic module is detected through the light transmittance detection device, when the light transmittance of the photovoltaic module is lower than a set value, the motor cleaning device is used for cleaning the photovoltaic module, so that the light transmittance of the photovoltaic module is improved, the illumination intensity of vegetation below the photovoltaic power generation system is improved, and healthy growth of the vegetation is protected; the photovoltaic modules are fixed at equal intervals, so that the light transmittance of the photovoltaic modules is guaranteed, and the illumination intensity of vegetation is improved.
On the basis of the technical scheme, the invention can be improved as follows.
Further, an air temperature detection sensor is arranged on the photovoltaic module; the air temperature detection sensor is in electrical signal connection with the controller;
a network clock is arranged in the control box; the network clock is in electrical signal connection with the controller;
the controller acquires local time by utilizing the network clock, and calculates the solar altitude angle according to the local time;
when the air temperature on the photovoltaic module is larger than a first set threshold value, according to the solar altitude angle, the altitude of the photovoltaic module is adjusted through the electric lifting rod, so that the inclination angle between the photovoltaic module and the horizontal plane is reduced, and the area of a shielding area under the photovoltaic module is increased;
when the air temperature on the photovoltaic module is smaller than a second set threshold, the height of the photovoltaic module is adjusted through each electric lifting rod according to the solar altitude angle, so that the inclination angle between the photovoltaic module and the horizontal plane is increased, and the area of a shielding area under the alignment of the photovoltaic module is reduced.
Further, the photovoltaic module is photovoltaic power generation glass; the output end of the storage battery is electrically connected with the power input end of the electric lifting rod.
Further, the motor cleaning device comprises a first motor driver, a first motor and a cleaning mechanism; the cleaning mechanism comprises an electric brush; the output end of the storage battery is in electrical signal connection with the power supply control signal input end of the electric brush; the brush is arranged on the photovoltaic module.
Further, a water storage device is arranged above the photovoltaic module; the cleaning mechanism further comprises a cleaning device; the cleaning device comprises a water inlet, a water delivery pipe, a water pump, a water outlet pipe and a water outlet; one end of the water inlet is arranged in the water storage device; the water inlet is connected with the input end of the water pump through the water delivery pipe; the output end of the water pump is connected with one end of the water outlet pipe; the other end of the water outlet pipe is connected with the water outlet.
Further, when the light transmittance detection device detects that the light transmittance is lower than a set value, the heights of the photovoltaic modules are adjusted through the electric lifting rods, so that the inclination angle between the photovoltaic modules and the horizontal plane is increased, the controller sends a first control instruction to the electric lifting rods and the motor cleaning device, and the motor cleaning device operates and cleans the photovoltaic modules; when the light transmittance is higher than a set value, the controller sends a second control instruction to the electric lifting rods and the motor cleaning device, the heights of the photovoltaic modules are adjusted through the electric lifting rods, so that the inclination angle between the photovoltaic modules and the horizontal plane is reduced, and the motor cleaning device stops running.
Further, a humidity sensor is hung below the supporting frame; the humidity sensor is in electrical signal connection with the controller; an electric valve is arranged below the water storage device;
and when the humidity sensor detects that the humidity below the supporting frame is smaller than a set threshold value, the controller controls the electric valve to be opened.
Further, the photovoltaic module comprises a plurality of photovoltaic group strings; gaps exist between the photovoltaic group strings.
Further, a wireless communication module is arranged in the control box; the wireless communication module is in electrical signal connection with the controller.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic power station system with vegetation conservation function provided by the invention;
fig. 2 is a schematic diagram of a photovoltaic power station system with vegetation conservation function provided by the invention.
FIG. 3 is a model diagram of a photovoltaic power plant system;
fig. 4 is a schematic view of an arrangement of photovoltaic modules.
Icon: 1-an electric lifting rod; 2-supporting frames; 3-a photovoltaic module; 4-a light transmission detection device; 5-a motor cleaning device; 6, a control box; 7-a water storage device.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
As an embodiment, as shown in fig. 1, to solve the above technical problem, the present embodiment provides a photovoltaic power station system with a vegetation conservation function, including:
a plurality of electric lifting rods 1; the height of each electric lifting rod 1 is adjustable;
a support frame 2; the support frame 2 is provided with a photovoltaic module 3; the photovoltaic modules 3 are fixed at equal intervals; the photovoltaic module 3 is provided with a light transmission detection device 4; the photovoltaic module 3 is fixedly provided with a plurality of motor cleaning device 5 with support frame 2 top, and light transmittance detection device 4 detects photovoltaic module 3's luminousness, and motor cleaning device 5 cleans photovoltaic module 3's upper surface. As shown in fig. 2, optionally, 4 electric lifting rods 1 and 3 light transmission detection devices 4 are provided.
The supporting frame 2 is arranged at an inclined angle by adjusting the height of each electric lifting rod 1;
the angle between the plane of the photovoltaic module 3 on the support frame 2 and the electric lifting rod 1 is adjusted by adjusting the relative height between the electric lifting rods 1;
a control box 6 is arranged below the support frame 2; a controller, an inverter, a transformer and a storage battery are arranged in the control box 6; the output end of the photovoltaic module 3 is electrically connected with the input end of the transformer through the inverter; the input end of the inverter and the output end of the transformer are electrically connected with the input end of the controller; the control output end of the controller is in electrical signal connection with the control input end of the inverter; the output end of the transformer is electrically connected with the storage battery;
the input end of the light transmission detection device 4 is electrically connected with the input end of the controller; the control output end of the controller is connected with the motor through a motor driver in an electric signal manner; the output end of the motor is connected with the cleaning mechanism;
the output end of the controller is electrically connected with the control input end of the electric lifting rod 1 and the control input end of the motor cleaning device 5;
the output end of the storage battery is electrically connected with the power input end of the electric lifting rod 1 and the power input end of the motor cleaning device 5.
In the practical application process, the inclination angle of the photovoltaic module 3 and the ground is adjusted by adjusting the heights of the four electric lifting rods 1, the shielding area of the photovoltaic power generation system for plant lighting is adjusted, and the illumination intensity of vegetation is adjusted; the light transmittance of the photovoltaic module 3 is detected through the light transmittance detection device 4, when the light transmittance of the photovoltaic module 3 is lower than a set value, the photovoltaic module 3 is cleaned through the motor cleaning device 5, the light transmittance of the photovoltaic module 3 is improved, the illumination intensity of vegetation below a photovoltaic power generation system is improved, and healthy growth of the vegetation is protected; the photovoltaic modules 3 are fixed at equal intervals, so that the light transmittance of the photovoltaic modules 3 is ensured, and the illumination intensity of vegetation is improved.
After photovoltaic power generation, electric energy is stored in the storage battery to supply power to the electric lifting rod 1, the controller, the light transmission detection device 4 and the motor cleaning device 5.
Optionally, as shown in fig. 2, a temperature detection sensor is arranged on the photovoltaic module 3; the air temperature detection sensor is connected with the controller through an electric signal;
a network clock is arranged in the control box 6; the network clock is connected with the controller through an electric signal;
the controller obtains local time by utilizing a network clock, and calculates the solar altitude angle according to the local time;
when the air temperature on the photovoltaic module 3 is larger than a first set threshold value, according to the solar altitude, the altitude of the photovoltaic module 3 is adjusted through the electric lifting rod 1, so that the inclination angle between the photovoltaic module 3 and the horizontal plane is reduced, and the area of a shielding area under the photovoltaic module 3 is increased;
when the temperature on the photovoltaic module 3 is smaller than a second set threshold value, the height of the photovoltaic module 3 is adjusted through each electric lifting rod 1 according to the solar altitude angle, so that the inclination angle between the photovoltaic module 3 and the horizontal plane is increased, and the area of a shielding area under the alignment of the photovoltaic module 3 is reduced.
In the practical application process, when the surface air temperature of the photovoltaic module 3 is too high, strong illumination can lead to the reduction of vegetation photosynthesis efficiency, obtains local time according to a network clock, determines the solar altitude according to time, adjusts the altitude of each electric lifting rod 1 according to the altitude of the sun, for example: four electric lifting rods 1 are arranged, one is arranged at each corner and used for supporting the supporting frame 2, when the sun is at an angle of 30 degrees with the horizontal plane, the heights of the two electric lifting rods 1 on one side far away from the sun are adjusted to be larger than the heights on one side close to the sun, so that the plane of the photovoltaic module 3 is inclined by 60 degrees, at the moment, the lighting area of the photovoltaic module 3 can be ensured, and the lighting effect of vegetation can be reduced.
When the temperature on the photovoltaic module 3 is too high, the inclination angle between the photovoltaic module 3 and the horizontal plane is adjusted, and the influence of the too strong illumination on vegetation growth is reduced.
Optionally, the photovoltaic module 3 is photovoltaic power generation glass; the output end of the storage battery is electrically connected with the power input end of the electric lifting rod.
In the practical application process, the photovoltaic power generation glass has the characteristic of good light transmittance, and can avoid the traditional photovoltaic power generation assembly from completely shielding sunlight and influencing the damage of vegetation growth to ecology.
Optionally, the motor cleaning device 5 includes a first motor driver, a first motor and a cleaning mechanism; the cleaning mechanism comprises an electric brush; the output end of the storage battery is electrically connected with the power supply control signal input end of the electric brush; the brushes are arranged on the photovoltaic module 3.
In the practical application process, the motor driver drives the electric brush of the first motor to act under the control of the controller, so that the surface of the photovoltaic module 3 is cleaned by the electric brush, the light transmittance of the photovoltaic module 3 is improved, and the vegetation lighting effect is ensured.
Optionally, a water storage device 7 is arranged above the photovoltaic module 3; the cleaning mechanism also comprises a cleaning device; the cleaning device comprises a water inlet, a water delivery pipe, a water pump, a water outlet pipe and a water outlet; one end of the water inlet is arranged in the water storage device 7; the water inlet is connected with the input end of the water pump through a water pipe; the output end of the water pump is connected with one end of the water outlet pipe; the other end of the water outlet pipe is connected with a water outlet.
In the practical application process, when the light transmittance of the surface of the photovoltaic module 3 is reduced, the phenomenon of cleaning difficulty can occur, the cleaning device is used for cleaning, water reaches the water pump from the water inlet through the water pipe, the water pump is used for pressurizing the water to reach the water outlet through the water outlet pipe, the water outlet is aligned to the photovoltaic module 3 to realize the cleaning of the surface of the photovoltaic module 3, the light transmittance of the photovoltaic module 3 is improved, and therefore the vegetation lighting effect is guaranteed.
Optionally, when the light transmittance is detected to be lower than the set value by the light transmittance detection device 4, the height of the photovoltaic module 3 is adjusted through each electric lifting rod 1, so that the inclination angle between the photovoltaic module 3 and the horizontal plane is increased, the controller sends a first control instruction to the electric lifting rod 1 and the motor cleaning device 5, and the motor cleaning device 5 operates and cleans the photovoltaic module 3; when the light transmittance is higher than the set value detected by the light transmittance detection device 4, the controller sends a second control instruction to the electric lifting rods 1 and the motor cleaning device 5, the heights of the photovoltaic modules 3 are adjusted through the electric lifting rods 1, the inclination angle between the photovoltaic modules 3 and the horizontal plane is reduced, and the motor cleaning device 5 stops running.
In the practical application process, the light transmittance is detected to be lower than the set value through the light transmittance detection device 4, then the light transmittance is reduced due to the fact that the surface of the photovoltaic module 3 is covered by sand dust and the like, the vegetation lighting effect is affected, and at the moment, the controller sends a control instruction to the motor cleaning device 5 to clean the photovoltaic module 3.
Optionally, as shown in fig. 2, a humidity sensor is hung below the supporting frame 2; the humidity sensor is in electrical signal connection with the controller; an electric valve is arranged below the water storage device 7;
when the humidity sensor detects that the humidity below the support frame 2 is smaller than a set threshold value, the controller controls the electric valve to be opened. In the practical application process, when the photovoltaic module 3 transmits light and lacks water, the light transmission amount can be increased through the controller, the water storage device is utilized for irrigation, and when the vegetation coverage rate is insufficient, the vegetation coverage rate can be increased through measures such as artificial supplementary planting shrubs and herbs.
Optionally, the photovoltaic module 3 comprises a plurality of photovoltaic strings; gaps exist between the individual strings of photovoltaic groups.
In the practical application process, the photovoltaic module 3 adopts a mode of combining a plurality of photovoltaic group strings, gaps exist among the photovoltaic group strings, so that the light transmittance of the photovoltaic module 3 is better, and the vegetation lighting efficiency is improved.
Optionally, a wireless communication module is further arranged in the control box 6; the wireless communication module is in electrical signal connection with the controller.
In the practical application process, through setting up wireless communication module, can realize photovoltaic power generation equipment's remote monitoring, acquire electric lifter 1 running state, temperature, humidity data and realize electric lifter 1 and motor cleaning device 5's remote control in real time.
Example 2
As one embodiment, based on the same principle as in embodiment 1, the present embodiment provides a vegetation maintenance method of a photovoltaic power plant system having a vegetation conservation function, including:
setting the distance between each photovoltaic power station system, as shown in a photovoltaic power station system model diagram in fig. 3, setting the photovoltaic power station system S by solar rays X reaching each photovoltaic power station system S, adjusting a light transmission area A of the photovoltaic power station system S, realizing maintenance of vegetation 1 (such as a bush on-demand conservation area) and vegetation 2 (such as a herbal growth conservation area), setting the initial height of each electric lifting rod 1 and setting the initial inclination angle between a photovoltaic assembly 3 and a horizontal plane;
setting the initial length, width and height of the supporting frame of each photovoltaic module 3; as shown in fig. 4, the photovoltaic module 3 is schematically arranged, and the photovoltaic power station systems S are assembled in two rows and a plurality of columns, and a 3cm gap is reserved between the two photovoltaic power station systems S. At a mounting angle of 27 deg., the projected area of the photovoltaic power plant system S on the ground is about 3000mm from the side 2 The row spacing of the photovoltaic power station system S is 1500mm, namely, in each row of photovoltaic power station systems S, the ratio of the area shielded by the supporting plate to the area capable of directly receiving rainfall is about 2:1; in addition, the installation clearance of 3cm provides certain conditions for the natural precipitation of shielded area receipt. Meanwhile, the method is beneficial to reducing the water collecting area of a single plate surface in a rainstorm season; the direct scouring force of rainwater to the surface vegetation is reduced. In addition, each row of the photovoltaic power station system S is provided with an auxiliary production area with the interval of 1000mm, no shielding exists, and vegetation can directly receive natural precipitation.
The controller obtains local time by utilizing a network clock, and calculates a solar altitude angle according to the local time;
the controller adjusts the height of each electric lifting rod according to the solar height angle, and the electric lifting rods 1 are utilized to adjust the height of the photovoltaic module 3, so that the inclination angle between the photovoltaic module 3 and the horizontal plane is changed, and the area of a shielding area right below the photovoltaic module 3 is changed;
detecting the light transmittance of the photovoltaic module 3 by the light transmittance detection device 4;
and judging the light transmittance of the photovoltaic module 3, and if the light transmittance of the photovoltaic module 3 is smaller than a set reference value, sending a command to the motor cleaning device 5 by the controller to clean until the light transmittance of the photovoltaic module 3 is larger than or equal to the set reference value.
As shown in the following table, the distance between each photovoltaic power station system S is set, the initial height of each electric lifting rod 1 and the initial inclination angle between the photovoltaic module 3 and the horizontal plane are set, the initial length, width and support frame installation angle of each photovoltaic module 3 are set, and the light transmittance data of the photovoltaic modules under different mountain slopes of different month sun altitude angles are set.
Figure BDA0004140911890000101
Figure BDA0004140911890000111
Optionally, when the light transmittance is detected to be lower than the set value by the light transmittance detection device 4, the height of the photovoltaic module 3 is adjusted through each electric lifting rod 1, so that the inclination angle between the photovoltaic module 3 and the horizontal plane is increased, the controller sends a first control instruction to the electric lifting rod 1 and the motor cleaning device 5, and the motor cleaning device 5 operates and cleans the photovoltaic module 3; when the light transmittance is higher than the set value detected by the light transmittance detection device 4, the controller sends a second control instruction to the electric lifting rods 1 and the motor cleaning device 5, the heights of the photovoltaic modules 3 are adjusted through the electric lifting rods 1, the inclination angle between the photovoltaic modules 3 and the horizontal plane is reduced, and the motor cleaning device 5 stops running.
In the practical application process, the light transmittance is detected to be lower than the set value through the light transmittance detection device 4, then the light transmittance is reduced due to the fact that the surface of the photovoltaic module 3 is covered by sand dust and the like, the vegetation lighting effect is affected, and at the moment, the controller sends a control instruction to the motor cleaning device 5 to clean the photovoltaic module 3.
Optionally, when the air temperature on the photovoltaic module 3 is greater than a first set threshold, according to the solar altitude, the altitude of the photovoltaic module 3 is adjusted through the electric lifting rod 1, so that the inclination angle between the photovoltaic module 3 and the horizontal plane is reduced, and the area of a shielding area under the alignment of the photovoltaic module 3 is increased; when the temperature on the photovoltaic module 3 is smaller than a second set threshold value, the height of the photovoltaic module 3 is adjusted through each electric lifting rod 1 according to the solar altitude angle, so that the inclination angle between the photovoltaic module 3 and the horizontal plane is increased, and the area of a shielding area under the alignment of the photovoltaic module 3 is reduced.
In the practical application process, when the surface air temperature of the photovoltaic module 3 is too high, strong illumination can lead to the reduction of vegetation photosynthesis efficiency, obtains local time according to a network clock, determines the solar altitude according to time, adjusts the altitude of each electric lifting rod 1 according to the altitude of the sun, for example: four electric lifting rods 1 are arranged, one is arranged at each corner and used for supporting the supporting frame 2, when the sun is at an angle of 30 degrees with the horizontal plane, the heights of the two electric lifting rods 1 on one side far away from the sun are adjusted to be larger than the heights on one side close to the sun, so that the plane of the photovoltaic module 3 is inclined by 60 degrees, at the moment, the lighting area of the photovoltaic module 3 can be ensured, and the lighting effect of vegetation can be reduced.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A photovoltaic power plant system having vegetation conservation function, comprising:
a plurality of electric lifting rods (1); the height of each electric lifting rod (1) is adjustable;
a support (2); the support frame (2) is provided with a photovoltaic module (3); a plurality of photovoltaic modules (3) are fixed at equal intervals; a light transmission detection device (4) is arranged on the photovoltaic module (3); a plurality of motor cleaning devices (5) are fixedly arranged above the photovoltaic assembly (3) and the supporting frame (2); the light transmittance detection device (4) detects the light transmittance of the photovoltaic module (3), and the motor cleaning device (5) cleans the upper surface of the photovoltaic module (3);
the inclination angle of the supporting frame (2) is set by adjusting the height of each electric lifting rod (1);
the angle between the plane of the photovoltaic component (3) on the supporting frame (2) and the electric lifting rod (1) is adjusted by adjusting the relative height between the electric lifting rods (1);
a control box (6) is arranged below the supporting frame (2); a controller, an inverter, a transformer and a storage battery are arranged in the control box (6); the output end of the photovoltaic module (3) is electrically connected with the input end of the transformer through the inverter; the input end of the inverter and the output end of the transformer are electrically connected with the input end of the controller; the control output end of the controller is in electrical signal connection with the control input end of the inverter; the output end of the transformer is electrically connected with the storage battery;
the input end of the light transmission detection device (4) is in electrical signal connection with the input end of the controller; the control output end of the controller is connected with the motor through the motor driver in an electric signal manner; the output end of the motor is connected with the cleaning mechanism;
the output end of the controller is electrically connected with the control input end of the electric lifting rod (1) and the control input end of the motor cleaning device (5);
the output end of the storage battery is electrically connected with the power input end of the electric lifting rod (1) and the power input end of the motor cleaning device (5).
2. The photovoltaic power plant system with vegetation conservation function according to claim 1, characterized in that the photovoltaic module (3) is provided with an air temperature detection sensor; the air temperature detection sensor is in electrical signal connection with the controller;
a network clock is arranged in the control box (6); the network clock is in electrical signal connection with the controller;
the controller acquires local time by utilizing the network clock, and calculates the solar altitude angle according to the local time;
when the air temperature on the photovoltaic module (3) is larger than a first set threshold value, according to the solar altitude angle, the altitude of the photovoltaic module (3) is adjusted through the electric lifting rod (1), so that the inclination angle between the photovoltaic module (3) and the horizontal plane is reduced, and the area of a shielding area under the photovoltaic module (3) is increased;
when the air temperature on the photovoltaic module (3) is smaller than a second set threshold value, according to the solar altitude angle, the heights of the photovoltaic module (3) are adjusted through the electric lifting rods (1), so that the inclination angle between the photovoltaic module (3) and the horizontal plane is increased, and the area of a shielding area under the photovoltaic module (3) is reduced.
3. The photovoltaic power plant system with vegetation conservation function according to claim 1, characterized in that the photovoltaic module (3) is photovoltaic power generation glass; the output end of the storage battery is electrically connected with the power input end of the electric lifting rod (1).
4. The photovoltaic power plant system with vegetation conservation function according to claim 1, characterized in that the motor cleaning device (5) comprises a first motor drive, a first motor and a cleaning mechanism; the cleaning mechanism comprises an electric brush; the output end of the storage battery is in electrical signal connection with the power supply control signal input end of the electric brush; the electric brush is arranged on the photovoltaic module (3).
5. The photovoltaic power station system with vegetation conservation function according to claim 4, characterized in that a water storage device (7) is arranged above the photovoltaic module (3); the cleaning mechanism further comprises a cleaning device; the cleaning device comprises a water inlet, a water delivery pipe, a water pump, a water outlet pipe and a water outlet; one end of the water inlet is arranged in the water storage device (7); the water inlet is connected with the input end of the water pump through the water delivery pipe; the output end of the water pump is connected with one end of the water outlet pipe; the other end of the water outlet pipe is connected with the water outlet.
6. The photovoltaic power plant system with vegetation preservation function according to claim 5, wherein when the light transmittance detection device (4) detects that the light transmittance is lower than a set value, the height of the photovoltaic module (3) is adjusted by each electric lifting rod (1) so that the inclination angle between the photovoltaic module (3) and the horizontal plane is increased, the controller sends a first control instruction to the electric lifting rod (1) and the motor cleaning device (5), and the motor cleaning device (5) operates and cleans the photovoltaic module (3); when the light transmittance is higher than a set value detected by the light transmittance detection device (4), the controller sends a second control instruction to the electric lifting rods (1) and the motor cleaning device (5), the heights of the photovoltaic modules (3) are adjusted through the electric lifting rods (1), so that the inclination angle between the photovoltaic modules (3) and the horizontal plane is reduced, and the motor cleaning device (5) stops running.
7. The photovoltaic power station system with vegetation conservation function according to claim 5, characterized in that a humidity sensor is hung below the supporting frame (2); the humidity sensor is in electrical signal connection with the controller; an electric valve is arranged below the water storage device (7);
and when the humidity sensor detects that the humidity below the supporting frame (2) is smaller than a set threshold value, the controller controls the electric valve to be opened.
8. The photovoltaic power plant system with vegetation care function according to claim 1, characterized in that the photovoltaic module (3) comprises several strings of photovoltaic groups; gaps exist between the photovoltaic group strings.
9. The photovoltaic power plant system with vegetation conservation function according to claim 1, characterized in that a wireless communication module is also arranged in the control box (6); the wireless communication module is in electrical signal connection with the controller.
10. A vegetation maintenance method based on the photovoltaic power plant system with vegetation maintenance function as claimed in any one of claims 1 to 9, comprising:
setting the distance between each photovoltaic power station system, setting the initial height of each electric lifting rod (1) and setting the initial inclination angle between the photovoltaic module (3) and the horizontal plane;
setting the initial length, width and height of the support frame of each photovoltaic module (3);
the controller acquires the local time by utilizing the network clock, and calculates the solar altitude angle according to the local time;
the controller adjusts the heights of the electric lifting rods according to the solar elevation angle, and the heights of the photovoltaic modules (3) are adjusted by utilizing the electric lifting rods (1) so that the inclination angle between the photovoltaic modules (3) and the horizontal plane is changed, and the area of a shielding area under the photovoltaic modules (3) is changed;
detecting the light transmittance of the photovoltaic module (3) through a light transmittance detection device (4);
and judging the light transmittance of the photovoltaic module (3), and if the light transmittance of the photovoltaic module (3) is smaller than a set reference value, sending a command to a motor cleaning device (5) by the controller to clean until the light transmittance of the photovoltaic module (3) is larger than or equal to the set reference value.
CN202310289473.7A 2023-03-23 2023-03-23 Photovoltaic power station system with vegetation conservation function and vegetation maintenance method Pending CN116208079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310289473.7A CN116208079A (en) 2023-03-23 2023-03-23 Photovoltaic power station system with vegetation conservation function and vegetation maintenance method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310289473.7A CN116208079A (en) 2023-03-23 2023-03-23 Photovoltaic power station system with vegetation conservation function and vegetation maintenance method

Publications (1)

Publication Number Publication Date
CN116208079A true CN116208079A (en) 2023-06-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310289473.7A Pending CN116208079A (en) 2023-03-23 2023-03-23 Photovoltaic power station system with vegetation conservation function and vegetation maintenance method

Country Status (1)

Country Link
CN (1) CN116208079A (en)

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