CN117356325A - Refrigerating method and system for high-light-transmittance flexible photovoltaic panel of greenhouse - Google Patents
Refrigerating method and system for high-light-transmittance flexible photovoltaic panel of greenhouse Download PDFInfo
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- CN117356325A CN117356325A CN202311439947.8A CN202311439947A CN117356325A CN 117356325 A CN117356325 A CN 117356325A CN 202311439947 A CN202311439947 A CN 202311439947A CN 117356325 A CN117356325 A CN 117356325A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000002834 transmittance Methods 0.000 title claims description 38
- 239000000110 cooling liquid Substances 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000005057 refrigeration Methods 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000004364 calculation method Methods 0.000 claims description 25
- 238000004590 computer program Methods 0.000 claims description 15
- 230000006870 function Effects 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 241000489998 Streptanthus tortuosus Species 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 9
- 235000013311 vegetables Nutrition 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Classifications
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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
- A01G9/246—Air-conditioning systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/243—Collecting solar energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of agricultural planting technology development, in particular to a greenhouse high-light-transmission flexible photovoltaic panel refrigerating method and system. The scheme comprises the steps of setting a cooling liquid position of a photovoltaic panel; arranging a plurality of pipelines for conveying cooling liquid of the photovoltaic panel; setting a photovoltaic panel moving route and a photovoltaic panel moving mode; setting a light intensity contrast margin through an online temperature sensor; controlling the photovoltaic panel according to the relation between the comprehensive temperature comparison index and the strong light comparison margin; a water cooling machine is arranged to control the refrigerating fluid. This scheme is through setting up portable liquid cooling pipeline and photovoltaic board cooling zone, realizes automatic water-cooling refrigeration that carries out the photovoltaic board, and can promote the refrigeration effect of photovoltaic under the prerequisite that does not influence the big-arch shelter light transmissivity.
Description
Technical Field
The invention relates to the technical field of agricultural planting technology development, in particular to a greenhouse high-light-transmission flexible photovoltaic panel refrigerating method and system.
Background
The greenhouse is used for covering the plastic film to plant vegetables, so that a proper ecological environment is created artificially, the vegetable production season is adjusted, the market demand is regulated, and the quality and the high yield of the vegetables are promoted. In recent years, the greenhouse is powered by using the photovoltaic panel, so that the utilization rate of resources is greatly improved, but the condition that the photovoltaic panel is overheated often occurs in the use process.
Prior to the technology of the invention, the prior art is mainly based on two modes of air cooling and forced water cooling, but for a greenhouse with light transmittance requirements and hopefully paved with photovoltaic panels, a clear scheme is needed to be provided.
Disclosure of Invention
In view of the above problems, the invention provides a greenhouse high-transmittance flexible photovoltaic panel refrigerating method and system, which realize automatic water-cooling refrigeration of a photovoltaic panel by arranging a movable liquid cooling pipeline and a photovoltaic panel cooling area, and can improve the photovoltaic refrigerating effect on the premise of not influencing the light transmittance of the greenhouse.
According to a first aspect of the embodiment of the invention, a refrigerating method of a high-light-transmittance flexible photovoltaic panel of a greenhouse is provided.
In one or more embodiments, preferably, the greenhouse high light transmission flexible photovoltaic panel refrigeration method includes:
setting the position of cooling liquid of the photovoltaic panel;
arranging a plurality of pipelines for conveying cooling liquid of the photovoltaic panel;
setting a photovoltaic panel moving route and a photovoltaic panel moving mode;
setting a light intensity contrast margin through an online temperature sensor;
controlling the photovoltaic panel according to the relation between the comprehensive temperature comparison index and the strong light comparison margin;
a water cooling machine is arranged to control the refrigerating fluid.
In one or more embodiments, preferably, the setting the cooling liquid position of the photovoltaic panel specifically includes:
a transparent container for containing cooling liquid is arranged at the bottom layer of the photovoltaic panel;
the cooling liquid adopts transparent liquid.
In one or more embodiments, preferably, the arrangement of several pipelines for transporting a cooling liquid of a photovoltaic panel specifically includes:
setting the inside of the pipeline as a wire;
the outer layer of the conducting wire is provided with a non-conductive pipe to separate the refrigerating fluid from the conducting wire;
the outer layer of the refrigerating fluid adopts a light-transmitting water pipe.
In one or more embodiments, preferably, the setting a moving route and a moving manner of the photovoltaic panel specifically includes:
the photovoltaic panel moves on the pipeline, and the specific stay position in the moving process is preset;
the stay time of each stay position is preset;
the route of the photovoltaic panel moving on the pipeline is preset.
In one or more embodiments, preferably, the setting the light intensity contrast margin by an online temperature sensor specifically includes:
providing a stable light source for generating light with adjustable illuminance;
calculating real-time illuminance of a preset period by using a first calculation formula;
a temperature sensor is arranged at the back of the photovoltaic panel provided with the cooling liquid;
extracting the temperature sensor acquisition temperature corresponding to the real-time illuminance of the preset period;
calculating a temperature comprehensive comparison index by using a second calculation formula;
when overheat alarm of the photovoltaic panel occurs, extracting a temperature comprehensive comparison index of a moment of a preset period of time before the current moment, and storing the temperature comprehensive comparison index into an abnormal margin database;
extracting the average value of all the temperature comprehensive comparison indexes of the abnormal margin database by using a third calculation formula to serve as a strong light comparison margin;
the first calculation formula is as follows:
wherein B is the real-time illuminance of the preset time period at the moment A, T is the time, T is the duration of the preset time period, and C t The illuminance at time t;
the second calculation formula is as follows:
T y ＝T A +kB A +B
wherein T is y For the temperature comprehensive contrast index, B is a preset initial contrast margin, k is a preset conversion coefficient, T A Acquiring temperature for a temperature sensor at the moment A;
the third calculation formula is as follows:
YY＝AVG(T y )
wherein YY is the strong light contrast margin, AVG () is a function of extracting the average value of all data of the anomaly margin database.
In one or more embodiments, preferably, the controlling the photovoltaic panel according to the relationship between the temperature integrated contrast index and the strong light contrast margin specifically includes:
when the relation between the comprehensive temperature comparison index and the strong light comparison margin is judged to meet a fourth calculation formula, the photovoltaic panel is moved to a preset position;
after moving to the preset position for 10 minutes, automatically ranging the original position;
setting the preset position as a weak light environment and a non-shielding environment at the same time, wherein the weak light environment is a non-illumination position, and the non-shielding environment is a position which does not shield plants in a greenhouse;
the fourth calculation formula is as follows:
T y >YY
wherein T is y And YY is a strong light contrast margin for the temperature comprehensive contrast index.
In one or more embodiments, preferably, the setting a water cooling machine to control the refrigerating fluid specifically includes:
a water cooler is arranged at the shading position of the rear side of the greenhouse;
connecting a water cooler with a pipeline for transporting the refrigerating fluid;
judging the illuminance of the current greenhouse straight-face solar side in real time, starting a water cooling machine when the illuminance of the greenhouse straight-face solar side exceeds 50, and stopping the operation of the refrigerating machine when the illuminance is reduced to below 50;
because all the pipelines are made of soft materials, the pipelines move together with the photovoltaic panel in the moving process of the photovoltaic panel;
and before each photovoltaic panel moves, the corresponding pipeline movement instruction is wirelessly generated to the refrigerator, so that the photovoltaic panel and the pipeline move synchronously.
According to a second aspect of the embodiment of the invention, a high-transmittance flexible photovoltaic panel refrigerating system for a greenhouse is provided.
In one or more embodiments, preferably, the greenhouse high light transmittance flexible photovoltaic panel refrigeration system comprises:
the photovoltaic refrigeration setting module is used for setting the position of cooling liquid of the photovoltaic panel;
the pipeline setting module is used for setting a plurality of pipelines for conveying cooling liquid of the photovoltaic panel;
the route setting module is used for setting the moving route and mode of the photovoltaic panel;
the temperature rise learning module is used for setting a light intensity contrast margin through an online temperature sensor;
the cooling processing module is used for controlling the photovoltaic panel according to the relation between the temperature comprehensive comparison index and the strong light comparison margin;
the water cooling machine setting module is used for setting a water cooling machine to control the refrigerating fluid.
According to a third aspect of embodiments of the present invention, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement a method according to any of the first aspect of embodiments of the present invention.
According to a fourth aspect of embodiments of the present invention there is provided an electronic device comprising a memory and a processor, the memory being for storing one or more computer program instructions, wherein the one or more computer program instructions are executable by the processor to implement the method of any of the first aspects of embodiments of the present invention.
The technical scheme provided by the embodiment of the invention can comprise the following beneficial effects:
according to the scheme, the refrigeration method and the system structure based on the movable photovoltaic panel are provided, and refrigeration of the movable photovoltaic panel is achieved.
In the scheme of the invention, the real-time judgment is carried out through the comprehensive temperature comparison index and the strong light comparison margin, and whether the current photovoltaic panel needs to carry out additional shading and heat dissipation is judged.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a method for refrigerating a high-transmittance flexible photovoltaic panel of a greenhouse according to an embodiment of the present invention.
Fig. 2 is a flow chart of a cooling liquid position of a photovoltaic panel in a greenhouse high light transmittance flexible photovoltaic panel refrigeration method according to an embodiment of the present invention.
Fig. 3 is a flow chart of a cooling liquid for transporting a photovoltaic panel provided with a plurality of pipelines in a refrigerating method of a high light transmittance flexible photovoltaic panel of a greenhouse according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for setting a moving route and a mode of a photovoltaic panel in a refrigerating method of a high-transmittance flexible photovoltaic panel in a greenhouse according to an embodiment of the present invention.
Fig. 5 is a flowchart of setting a light intensity contrast margin through an on-line temperature sensor in a greenhouse high light transmittance flexible photovoltaic panel cooling method according to an embodiment of the present invention.
Fig. 6 is a flowchart of controlling a photovoltaic panel according to a relationship between a comprehensive temperature contrast index and a strong light contrast margin in a greenhouse high light transmittance flexible photovoltaic panel refrigeration method according to an embodiment of the present invention.
Fig. 7 is a flow chart of a method for refrigerating a high-transmittance flexible photovoltaic panel in a greenhouse for controlling refrigerating fluid by arranging a water cooling machine according to an embodiment of the invention.
Fig. 8 is a block diagram of a greenhouse high light transmittance flexible photovoltaic panel refrigeration system in accordance with one embodiment of the present invention.
Fig. 9 is a block diagram of an electronic device in one embodiment of the invention.
Detailed Description
In some of the flows described in the specification and claims of the present invention and in the foregoing figures, a plurality of operations occurring in a particular order are included, but it should be understood that the operations may be performed out of order or performed in parallel, with the order of operations such as 101, 102, etc., being merely used to distinguish between the various operations, the order of the operations themselves not representing any order of execution. In addition, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first" and "second" herein are used to distinguish different messages, devices, modules, etc., and do not represent a sequence, and are not limited to the "first" and the "second" being different types.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The greenhouse is used for covering the plastic film to plant vegetables, so that a proper ecological environment is created artificially, the vegetable production season is adjusted, the market demand is regulated, and the quality and the high yield of the vegetables are promoted. In recent years, the greenhouse is powered by using the photovoltaic panel, so that the utilization rate of resources is greatly improved, but the condition that the photovoltaic panel is overheated often occurs in the use process.
Prior to the technology of the invention, the prior art is mainly based on two modes of air cooling and forced water cooling, but for a greenhouse with light transmittance requirements and hopefully paved with photovoltaic panels, a clear scheme is needed to be provided.
The embodiment of the invention provides a refrigerating method and a refrigerating system for a high-transmittance flexible photovoltaic panel of a greenhouse. This scheme is through setting up portable liquid cooling pipeline and photovoltaic board cooling zone, realizes automatic water-cooling refrigeration that carries out the photovoltaic board, and can promote the refrigeration effect of photovoltaic under the prerequisite that does not influence the big-arch shelter light transmissivity.
According to a first aspect of the embodiment of the invention, a refrigerating method of a high-light-transmittance flexible photovoltaic panel of a greenhouse is provided.
Fig. 1 is a flow chart of a method for refrigerating a high-transmittance flexible photovoltaic panel of a greenhouse according to an embodiment of the present invention.
In one or more embodiments, preferably, the greenhouse high light transmission flexible photovoltaic panel refrigeration method includes:
s101, setting the position of cooling liquid of a photovoltaic panel;
s102, arranging a plurality of pipelines for conveying cooling liquid of the photovoltaic panel;
s103, setting a photovoltaic panel moving route and a photovoltaic panel moving mode;
s104, setting a light intensity contrast margin through an online temperature sensor;
s105, controlling the photovoltaic panel according to the relation between the comprehensive temperature comparison index and the strong light comparison margin;
s106, a water cooler is arranged to control the refrigerating fluid.
In the embodiment of the invention, firstly, how the photovoltaic refrigeration is set is clarified, secondly, a refrigeration pipeline is set, further, a photovoltaic and photovoltaic travel route is set, the temperature rise under the condition of strong light is compared, a strong light comparison margin is set, the situation that the margin is reached is judged to be moved to a weak light and no shielding environment is caused, and finally, the water cooler is set and the working time is set.
Fig. 2 is a flow chart of a cooling liquid position of a photovoltaic panel in a greenhouse high light transmittance flexible photovoltaic panel refrigeration method according to an embodiment of the present invention.
As shown in fig. 2, in one or more embodiments, preferably, the setting a cooling liquid position of the photovoltaic panel specifically includes:
s201, a transparent container for containing cooling liquid is arranged on the bottom layer of the photovoltaic panel;
s202, adopting transparent liquid as the cooling liquid.
In the embodiment of the invention, in order to enable the photovoltaic panel to have a good enough intelligent effect, the bottom layer of the photovoltaic panel is provided with the cooling liquid, the cooling liquid is transparent liquid, the influence on the light transmittance of the greenhouse is not caused when the liquid cooling is carried out, and the arrangement position is not in light blocking at the rear side of the photovoltaic panel.
Fig. 3 is a flow chart of a cooling liquid for transporting a photovoltaic panel provided with a plurality of pipelines in a refrigerating method of a high light transmittance flexible photovoltaic panel of a greenhouse according to an embodiment of the present invention.
As shown in fig. 3, in one or more embodiments, the providing a plurality of pipelines for transporting the cooling liquid of the photovoltaic panel preferably includes:
s301, setting the inside of the pipeline as a wire;
s302, separating the refrigerating fluid from the lead by a non-conductive pipe at the outer layer of the lead;
s303, adopting a light-transmitting water pipe as an outer layer of the refrigerating fluid.
In the embodiment of the invention, the transparent container is connected with the pipeline for transporting the refrigerating fluid, the inside of the pipeline is provided with a wire, the middle of the pipeline is used for separating the refrigerating fluid from the wire by a non-conductive pipe, and the outside of the pipeline is provided with a light-transmitting water pipe.
Fig. 4 is a flowchart of a method for setting a moving route and a mode of a photovoltaic panel in a refrigerating method of a high-transmittance flexible photovoltaic panel in a greenhouse according to an embodiment of the present invention.
As shown in fig. 4, in one or more embodiments, preferably, the setting a moving route and a manner of the photovoltaic panel specifically includes:
s401, the photovoltaic panel moves on the pipeline, and a specific stay position in the moving process is preset;
s402, the stay time of each stay position is preset;
s403, the moving route of the photovoltaic panel on the pipeline is preset.
In the embodiment of the invention, a photovoltaic moving route is arranged above a greenhouse, and the residence time of the moving route and each position is laid in advance.
Fig. 5 is a flowchart of setting a light intensity contrast margin through an on-line temperature sensor in a greenhouse high light transmittance flexible photovoltaic panel cooling method according to an embodiment of the present invention.
As shown in fig. 5, in one or more embodiments, preferably, the setting, by an online temperature sensor, a light intensity contrast margin specifically includes:
s501, setting a stable light source, wherein the stable light source is used for generating light with adjustable illuminance;
s502, calculating real-time illuminance in a preset period by using a first calculation formula;
s503, arranging a temperature sensor on the back of the photovoltaic panel provided with the cooling liquid;
s504, extracting a temperature sensor acquisition temperature corresponding to the real-time illuminance of the preset period;
s505, calculating a temperature comprehensive comparison index by using a second calculation formula;
s506, extracting a temperature comprehensive comparison index of a moment of a preset period of time before the current moment when overheat alarm of the photovoltaic panel occurs, and storing the temperature comprehensive comparison index in an abnormal margin database;
s507, extracting the average value of all the temperature comprehensive comparison indexes of the abnormal margin database by using a third calculation formula, and taking the average value as a strong light comparison margin;
the first calculation formula is as follows:
wherein B is the real-time illuminance of the preset time period at the moment A, T is the time, T is the duration of the preset time period, and C t The illuminance at time t;
the second calculation formula is as follows:
T y ＝T A +kB A +B
wherein T is y For the temperature comprehensive contrast index, B is a preset initial contrast margin, k is a preset conversion coefficient, T A Acquiring temperature for a temperature sensor at the moment A;
the third calculation formula is as follows:
YY＝AVG(T y )
wherein YY is the strong light contrast margin, AVG () is a function of extracting the average value of all data of the anomaly margin database.
In the embodiment of the invention, in the actual execution process, the illumination intensity not only can influence the temperature rise, but also can influence the photovoltaic power generation efficiency, and the too low light intensity or the too high light intensity is not good, so that the judgment basis of the strong light contrast margin is set, mainly the judgment that the higher temperature is generated in the past period of time, and the damage to the photovoltaic is considered to be possibly caused when the more stable illumination exists.
Fig. 6 is a flowchart of controlling a photovoltaic panel according to a relationship between a comprehensive temperature contrast index and a strong light contrast margin in a greenhouse high light transmittance flexible photovoltaic panel refrigeration method according to an embodiment of the present invention.
As shown in fig. 6, in one or more embodiments, preferably, the controlling the photovoltaic panel according to the relationship between the temperature integrated contrast index and the strong light contrast margin specifically includes:
s601, when the relation between the comprehensive temperature comparison index and the strong light comparison margin is judged to meet a fourth calculation formula, the photovoltaic panel is moved to a preset position;
s602, after moving to a preset position for 10 minutes, automatically ranging from an original position;
s603, setting the preset position as a weak light environment and a non-shielding environment, wherein the weak light environment is a non-illumination position, and the non-shielding environment is a position where plants in a greenhouse are not shielded;
the fourth calculation formula is as follows:
T y >YY
wherein T is y And YY is a strong light contrast margin for the temperature comprehensive contrast index.
In the embodiment of the invention, when the relation between the comprehensive temperature comparison index and the strong light comparison margin is judged to meet the fourth calculation formula in real time, the current running state with risk is considered to be automatically moved to the position with weak light and no shielding, so that the greenhouse can transmit light normally, and the photovoltaic operation of the greenhouse can be ensured to run safely.
Fig. 7 is a flow chart of a method for refrigerating a high-transmittance flexible photovoltaic panel in a greenhouse for controlling refrigerating fluid by arranging a water cooling machine according to an embodiment of the invention.
In one or more embodiments, as shown in fig. 7, preferably, the setting a water cooling machine to control the refrigerating fluid specifically includes:
s701, setting a water cooler at a shading position at the rear side of the greenhouse;
s702, connecting a water cooler with a pipeline for transporting refrigerating fluid;
s703, judging the illuminance of the current greenhouse straight-face solar side in real time, starting a water cooling machine when the illuminance of the greenhouse straight-face solar side exceeds 50, and stopping the operation of the refrigerating machine when the illuminance is reduced to below 50;
s704, because all the pipelines are made of soft materials, the pipelines move along with the photovoltaic panel in the moving process of the photovoltaic panel;
and S705, before each movement of the photovoltaic panel, the corresponding pipeline movement instruction is wirelessly generated to the refrigerator, so that the photovoltaic panel and the pipeline move synchronously.
In the embodiment of the invention, a water cooler is arranged for being connected with all pipelines to cool and circulate the refrigerating fluid, and the refrigerating fluid is placed at a shading place, and the working time is when the illuminance exceeds 50.
According to a second aspect of the embodiment of the invention, a high-transmittance flexible photovoltaic panel refrigerating system for a greenhouse is provided.
Fig. 8 is a block diagram of a greenhouse high light transmittance flexible photovoltaic panel refrigeration system in accordance with one embodiment of the present invention.
In one or more embodiments, preferably, the greenhouse high light transmittance flexible photovoltaic panel refrigeration system comprises:
the photovoltaic refrigeration setting module 801 is used for setting the position of cooling liquid of the photovoltaic panel;
a pipe setting module 802 for setting a plurality of pipes for transporting a cooling liquid of the photovoltaic panel;
a route setting module 803 for setting a moving route and a mode of the photovoltaic panel;
the temperature rise learning module 804 is configured to set a light intensity contrast margin through an online temperature sensor;
the cooling processing module 805 is configured to control the photovoltaic panel according to a relationship between the temperature comprehensive contrast index and the strong light contrast margin;
the water cooler setting module 806 is configured to set a water cooler to control the refrigerant liquid.
In the embodiment of the invention, a system suitable for different structures is realized through a series of modularized designs, and the system can realize closed-loop, reliable and efficient execution through acquisition, analysis and control.
According to a third aspect of embodiments of the present invention, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement a method according to any of the first aspect of embodiments of the present invention.
According to a fourth aspect of an embodiment of the present invention, there is provided an electronic device. Fig. 9 is a block diagram of an electronic device in one embodiment of the invention. The electronic equipment shown in fig. 9 is a refrigerating device of a high-transmittance flexible photovoltaic panel of a general greenhouse. Referring to fig. 9, the electronic device 900 includes one or more (only one shown) processors 902, memory 904, and a wireless module 906 coupled to one another. The memory 904 stores therein a program capable of executing the contents of the foregoing embodiments, and the processor 902 can execute the program stored in the memory 904.
Wherein the processor 902 may include one or more processing cores. The processor 902 utilizes various interfaces and lines to connect various portions of the overall electronic device 900, execute various functions of the electronic device 900, and process data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 904, and invoking data stored in the memory 904. Alternatively, the processor 902 may be implemented in hardware in at least one of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 902 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem, etc. The CPU mainly processes an operating system, a user interface, a target application program and the like; the GPU is used for being responsible for rendering and drawing of display content; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 902 and may be implemented solely by a single communication chip.
The Memory 904 may include random access Memory (Random Access Memory, RAM) or Read-Only Memory (rom). The memory 904 may be used to store instructions, programs, code, sets of codes, or instruction sets. The memory 904 may include a stored program area that may store instructions for implementing an operating system, instructions for implementing at least one function (e.g., a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the various method embodiments described below, and a stored data area. The storage data area may also store data created by the electronic device 900 in use (such as the text documents previously described), and so forth.
The wireless module 906 is configured to receive and transmit electromagnetic waves, and to implement mutual conversion between electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices, for example, to communicate with a base station based on a mobile communication protocol. The wireless module 906 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and the like. The wireless module 906 may communicate with various networks such as the internet, intranets, wireless networks, or other electronic devices via wireless networks. The wireless network may include a cellular telephone network, a wireless local area network, or a metropolitan area network. The wireless networks described above may use a variety of communication standards, protocols, and technologies, including but not limited to WLAN protocols and bluetooth protocols, and may even include those that have not yet been developed.
The technical scheme provided by the embodiment of the invention can comprise the following beneficial effects:
according to the scheme, the refrigeration method and the system structure based on the movable photovoltaic panel are provided, and refrigeration of the movable photovoltaic panel is achieved.
In the scheme of the invention, the real-time judgment is carried out through the comprehensive temperature comparison index and the strong light comparison margin, and whether the current photovoltaic panel needs to carry out additional shading and heat dissipation is judged.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The refrigerating method of the high-light-transmittance flexible photovoltaic panel of the greenhouse is characterized by comprising the following steps of:
setting the position of cooling liquid of the photovoltaic panel;
arranging a plurality of pipelines for conveying cooling liquid of the photovoltaic panel;
setting a photovoltaic panel moving route and a photovoltaic panel moving mode;
setting a light intensity contrast margin through an online temperature sensor;
controlling the photovoltaic panel according to the relation between the comprehensive temperature comparison index and the strong light comparison margin;
a water cooling machine is arranged to control the refrigerating fluid.
2. The method for refrigerating a high-transmittance flexible photovoltaic panel of a greenhouse according to claim 1, wherein the method for setting the position of the cooling liquid of the photovoltaic panel specifically comprises the following steps:
a transparent container for containing cooling liquid is arranged at the bottom layer of the photovoltaic panel;
the cooling liquid adopts transparent liquid.
3. The method for refrigerating a high-transmittance flexible photovoltaic panel of a greenhouse according to claim 1, wherein the arranging of a plurality of pipelines for transporting the cooling liquid of the photovoltaic panel comprises:
setting the inside of the pipeline as a wire;
the outer layer of the conducting wire is provided with a non-conductive pipe to separate the refrigerating fluid from the conducting wire;
the outer layer of the refrigerating fluid adopts a light-transmitting water pipe.
4. The method for refrigerating a high-transmittance flexible photovoltaic panel of a greenhouse according to claim 1, wherein the method for setting the moving route and the moving mode of the photovoltaic panel specifically comprises the following steps:
the photovoltaic panel moves on the pipeline, and the specific stay position in the moving process is preset;
the stay time of each stay position is preset;
the route of the photovoltaic panel moving on the pipeline is preset.
5. The method for refrigerating a high-transmittance flexible photovoltaic panel of a greenhouse according to claim 1, wherein the setting of the light intensity contrast margin by an on-line temperature sensor comprises the following steps:
providing a stable light source for generating light with adjustable illuminance;
calculating real-time illuminance of a preset period by using a first calculation formula;
a temperature sensor is arranged at the back of the photovoltaic panel provided with the cooling liquid;
extracting the temperature sensor acquisition temperature corresponding to the real-time illuminance of the preset period;
calculating a temperature comprehensive comparison index by using a second calculation formula;
when overheat alarm of the photovoltaic panel occurs, extracting a temperature comprehensive comparison index of a moment of a preset period of time before the current moment, and storing the temperature comprehensive comparison index into an abnormal margin database;
extracting the average value of all the temperature comprehensive comparison indexes of the abnormal margin database by using a third calculation formula to serve as a strong light comparison margin;
the first calculation formula is as follows:
wherein B is the real-time illuminance of the preset time period at the moment A, T is the time, T is the duration of the preset time period, and C t The illuminance at time t;
the second calculation formula is as follows:
T y T A +kB A +B
wherein T is y For the temperature comprehensive contrast index, B is a preset initial contrast margin, k is a preset conversion coefficient, T A Acquiring temperature for a temperature sensor at the moment A;
the third calculation formula is as follows:
YY＝AVG(T y )
wherein YY is the strong light contrast margin, AVG () is a function of extracting the average value of all data of the anomaly margin database.
6. The method for refrigerating the high-transmittance flexible photovoltaic panel of the greenhouse according to claim 1, wherein the photovoltaic panel is controlled according to the relationship between the comprehensive temperature contrast index and the strong light contrast margin, and specifically comprises the following steps:
when the relation between the comprehensive temperature comparison index and the strong light comparison margin is judged to meet a fourth calculation formula, the photovoltaic panel is moved to a preset position;
after moving to the preset position for 10 minutes, automatically ranging the original position;
setting the preset position as a weak light environment and a non-shielding environment at the same time, wherein the weak light environment is a non-illumination position, and the non-shielding environment is a position which does not shield plants in a greenhouse;
the fourth calculation formula is as follows:
T y >YY
wherein T is y And YY is a strong light contrast margin for the temperature comprehensive contrast index.
7. The method for refrigerating a high-transmittance flexible photovoltaic panel of a greenhouse according to claim 1, wherein the method for controlling the refrigerating fluid by arranging a water cooling machine comprises the following steps:
a water cooler is arranged at the shading position of the rear side of the greenhouse;
connecting a water cooler with a pipeline for transporting the refrigerating fluid;
judging the illuminance of the current greenhouse straight-face solar side in real time, starting a water cooling machine when the illuminance of the greenhouse straight-face solar side exceeds 50, and stopping the operation of the refrigerating machine when the illuminance is reduced to below 50;
because all the pipelines are made of soft materials, the pipelines move together with the photovoltaic panel in the moving process of the photovoltaic panel;
and before each photovoltaic panel moves, the corresponding pipeline movement instruction is wirelessly generated to the refrigerator, so that the photovoltaic panel and the pipeline move synchronously.
8. A greenhouse high light transmission flexible photovoltaic panel refrigeration system for implementing the method of any one of claims 1-7, the system comprising:
the photovoltaic refrigeration setting module is used for setting the position of cooling liquid of the photovoltaic panel;
the pipeline setting module is used for setting a plurality of pipelines for conveying cooling liquid of the photovoltaic panel;
the route setting module is used for setting the moving route and mode of the photovoltaic panel;
the temperature rise learning module is used for setting a light intensity contrast margin through an online temperature sensor;
the cooling processing module is used for controlling the photovoltaic panel according to the relation between the temperature comprehensive comparison index and the strong light comparison margin;
the water cooling machine setting module is used for setting a water cooling machine to control the refrigerating fluid.
9. A computer readable storage medium, on which computer program instructions are stored, which computer program instructions, when executed by a processor, implement the method of any of claims 1-7.
10. An electronic device comprising a memory and a processor, wherein the memory is configured to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the method of any of claims 1-7.
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