CN110805490B - A PVT-based energy station system - Google Patents
A PVT-based energy station system Download PDFInfo
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- CN110805490B CN110805490B CN201910999680.5A CN201910999680A CN110805490B CN 110805490 B CN110805490 B CN 110805490B CN 201910999680 A CN201910999680 A CN 201910999680A CN 110805490 B CN110805490 B CN 110805490B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
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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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- 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
- Y02E10/60—Thermal-PV hybrids
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Photovoltaic Devices (AREA)
Abstract
本发明基于PVT的能源站系统，包括：PVT光热光电一体板和储能电池组通过光储一体机与交流母线相连，柴油发电机直接与交流母线相连，双源热泵、空调机组和用电设备均与交流母线相连，PVT光电光热一体板与双源热泵管道连接、管道中设有第一温度传感器，热水箱与双源热泵管道连接，热水箱中设有第二温度传感器，柴油发电机、光储一体机、储能电池组、双源热泵和温度传感器与控制器相连。本发明实现PVT微网能源站的智能化、装备化，通过把PVT与储能、双源热泵、及控制器高度集成化，为部队保障车、孤岛、驻守站等场所提供可靠可再生的能源供应及保障。
The energy station system based on PVT of the present invention includes: PVT photovoltaic integrated panels and energy storage battery packs are connected to the AC bus through a photovoltaic integrated machine, a diesel generator is directly connected to the AC bus, a dual-source heat pump, an air conditioning unit and electrical equipment are all connected to the AC bus, the PVT photovoltaic integrated panel is connected to the dual-source heat pump pipeline, a first temperature sensor is provided in the pipeline, a hot water tank is connected to the dual-source heat pump pipeline, a second temperature sensor is provided in the hot water tank, and a diesel generator, a photovoltaic integrated machine, an energy storage battery pack, a dual-source heat pump and a temperature sensor are connected to a controller. The present invention realizes the intelligence and equipment of the PVT microgrid energy station, and provides reliable and renewable energy supply and guarantee for places such as military support vehicles, isolated islands, and garrison stations by highly integrating PVT with energy storage, dual-source heat pumps, and controllers.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to an energy station system based on PVT.
Background
At present, in many places such as islands, frontier defense and remote mountain areas, the traditional large power grid is difficult to cover, and the basic life energy of the army is difficult to guarantee. Generally, in the areas, the solar energy, wind energy and other resources are quite abundant, the solar energy and wind energy resources in the local areas can be fully utilized, a micro-grid energy station system based on island mode is built, and the energy consumption of troops in remote areas is solved.
Disclosure of Invention
The invention provides a novel PVT-based energy station system aiming at the problems and the defects existing in the prior art.
The invention solves the technical problems by the following technical proposal:
the invention provides an energy station system based on PVT, which is characterized by comprising a PVT photo-thermal and photoelectric integrated plate, a diesel generator, a photo-storage integrated machine, an energy storage battery pack, a double-source heat pump, a hot water tank, an air conditioning unit, electric equipment and a controller;
PVT photo-thermal photoelectric integrated plate and energy storage battery set link to each other with exchanging the generating line through light storage all-in-one, diesel generator is direct to link to each other with exchanging the generating line, dual source heat pump, air conditioning unit and consumer all link to each other with exchanging the generating line, PVT photo-thermal photoelectric integrated plate is equipped with first temperature sensor with dual source heat pump pipe connection, pipeline in, hot-water tank and dual source heat pump pipe connection, be equipped with second temperature sensor in the hot-water tank, diesel generator, light storage all-in-one, energy storage battery set, dual source heat pump, first temperature sensor and second temperature sensor all link to each other with the controller.
The PVT photo-thermal photoelectric integrated plate is used for photovoltaic power generation, generated electric energy is transmitted to an alternating current bus through a photo-storage integrated machine, and then the alternating current bus is used for supplying power to a double-source heat pump, an air conditioning unit and electric equipment;
The first temperature sensor is used for detecting the medium temperature in the corresponding pipeline and transmitting a first temperature value to the controller;
the second temperature sensor is used for detecting the medium temperature in the corresponding pipeline and transmitting a second temperature value to the controller;
the controller is used for controlling the double-source heat pump to switch to a water source mode when the first temperature value is larger than the first set temperature value, exchanging heat with the PVT photo-thermal and photo-electric integrated plate to absorb heat, heating water in the hot water tank, and controlling the double-source heat pump to stop working when the second temperature value is larger than the second set temperature value. The double-source heat pump absorbs heat of the PVT photo-thermal and photoelectric integrated plate, reduces the temperature of the solar back plate, stabilizes the solar back plate in an ideal temperature range, and enables the photo-thermal and photoelectric integrated plate to keep high photoelectric conversion efficiency.
Preferably, the controller is used for controlling the energy storage battery pack to supply power to the double-source heat pump, the air conditioning unit and the electric equipment when the solar radiation is insufficient and the power generation capacity of the PVT photo-thermal and photoelectric integrated board can not meet the power utilization requirement of the equipment, detecting the residual electric quantity in the energy storage battery pack, and controlling the diesel generator to generate power to supply power to the double-source heat pump, the air conditioning unit and the electric equipment when the residual electric quantity is lower than the set residual electric quantity;
The controller is used for controlling the double-source heat pump to switch to a water source mode when the first temperature value is larger than a first set temperature value, exchanging heat with the PVT photo-thermal and photoelectric integrated plate to absorb heat, heating water in the hot water tank, controlling the double-source heat pump to switch to the water source mode when the first temperature value is smaller than the first set temperature value, controlling the double-source heat pump to switch to the air source mode, heating water in the hot water tank, and controlling the double-source heat pump to stop working when the second temperature value is larger than the second set temperature value.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the invention.
The invention has the positive progress effects that:
the invention realizes the intellectualization and equipping of the PVT micro-grid energy station, and provides reliable and renewable energy supply and guarantee for army guarantee vehicles, islands, residence stations and other places by integrating PVT with energy storage, a double-source heat pump and a controller to improve the living conditions of officers and soldiers.
Drawings
Fig. 1 is a control schematic diagram of the PVT-based energy station system of the present invention.
Fig. 2 is a control schematic diagram of the energy station system in the daytime mode of the present invention.
Fig. 3 is a control schematic diagram of the energy station system in the night mode of the present invention.
Fig. 4 is a control schematic diagram of the energy station system in the rainy day mode of the present invention.
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. 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 be within the scope of the invention.
As shown in fig. 1, the embodiment provides an energy station system based on PVT, which includes a PVT photo-thermal-photoelectric integrated board 1, a diesel generator 2, a photo-storage integrated machine 3, an energy storage battery pack 4, a dual-source heat pump 5, a hot water tank 6, an air conditioning unit 7, electric equipment 8, and a controller 9.
The PVT photo-thermal photoelectric integrated plate 1 and the energy storage battery pack 4 are connected with an alternating current BUS (AC BUS) through the photo-thermal storage integrated machine 3, the diesel generator 2 is directly connected with the alternating current BUS, the double-source heat pump 5, the air conditioning unit 7 and the electric equipment 8 are all connected with the alternating current BUS, the PVT photo-thermal photoelectric integrated plate 1 is connected with the double-source heat pump 5 through pipelines, a first temperature sensor is arranged in the pipelines, the hot water tank 6 is connected with the double-source heat pump 5 through the pipelines, a second temperature sensor is arranged in the hot water tank 6, and the diesel generator 2, the photo-thermal storage integrated machine 3, the energy storage battery pack 4, the double-source heat pump 5, the first temperature sensor and the second temperature sensor are all connected with the controller 9.
The PVT photo-thermal photoelectric integrated plate 1 and the energy storage battery pack 4 are connected with an alternating current bus through the photo-storage integrated machine 3, power exchange is achieved, and the PVT photo-thermal photoelectric integrated plate 1, the energy storage battery pack 4 and the photo-storage integrated machine 3 are networked and off-grid.
The double-source heat pump 5, the air conditioning unit 7 and the electric equipment 8 are connected with an alternating current bus, and electric energy is obtained from the alternating current bus.
The PVT photoelectric photo-thermal integrated plate 2 is connected with the double-source heat pump 5, and the double-source heat pump 5 absorbs heat of the PVT photoelectric photo-thermal integrated plate 2 to produce hot water, so that solar energy is utilized to the greatest extent. The hot water tank 6 is connected with the dual-source heat pump 5, and the hot water tank 6 is used for storing hot water.
The dual source heat pump 5 has two modes, a water source and an air source. Auxiliary by double-source heat pump unit heating water in the hot water tank. Under different weather conditions, the system can operate according to two different modes of the air source heat pump and the water source heat pump, the PVT and the heat pump are combined together in a complementary and organic mode, and meanwhile, when solar radiation is insufficient, heat is obtained from the air to supplement, so that the operation stability and reliability of the system under various weather conditions all year round are effectively improved. In addition, the temperature control technology is adopted to timely take away the heat generated by photoelectric conversion of the solar cell, so that the temperature of the solar backboard is reduced, the solar backboard is stabilized in an ideal temperature range, and the cell is ensured to keep higher photoelectric conversion efficiency. Meanwhile, certain heat generated by PVT on the back plate of the solar cell panel is used as a heating source of the double-source heat pump through heat exchange, so that the working performance of the double-source heat pump is improved.
The daytime mode (see figure 2) is that the PVT photo-thermal photoelectric integrated plate 1 is used for photovoltaic power generation and heat generation at the same time, heat and power cogeneration is realized, generated electric energy is transmitted to an Alternating Current BUS (ACBUS) through a photo-storage integrated machine 3, then the power is supplied to the double-source heat pump 5, the air conditioning unit 7 and the electric equipment 8 through the alternating current BUS (AC BUS), and if the residual electric energy is generated by the PVT photo-thermal photoelectric integrated plate 1, the energy storage battery pack 4 is charged through the photo-storage integrated machine 3, and the electric energy is stored.
The first temperature sensor is used for detecting the heat temperature in the corresponding pipeline and transmitting a first temperature value to the controller 9, the controller 9 is used for controlling the dual-source heat pump 5 to switch to a water source mode when the first temperature value is larger than a first set temperature value, exchanging heat with the PVT photo-thermal-electro-optical integrated board to absorb heat and heat water in the hot water tank 6, the second temperature sensor is used for detecting the heat temperature in the corresponding pipeline and transmitting a second temperature value to the controller 9, and the controller 9 is used for controlling the dual-source heat pump 5 to stop working when the second temperature value is larger than a second set temperature value (such as 50 ℃). The hot water produced by the PVT plate is lifted to 45-55 ℃ through the double-source heat pump 5 (water source mode) so as to meet the requirements of domestic hot water. The double-source heat pump 5 absorbs heat of the PVT photo-thermal and photoelectric integrated plate 1, reduces the temperature of the solar back plate, stabilizes the solar back plate in an ideal temperature range, and enables the photo-thermal and photoelectric integrated plate to keep high photoelectric conversion efficiency.
The night mode (see figure 3) is that the generating capacity of the PVT photo-thermal and photoelectric integrated plate 1 is zero at night, the PVT plate is in a non-working state, the controller 9 controls the energy storage battery pack 4 to supply power to the double-source heat pump 5, the air conditioning unit 7 and the electric equipment 8, the residual electric quantity in the energy storage battery pack 4 is detected, the diesel generator 2 is controlled to generate electricity to supply power to the double-source heat pump 5, the air conditioning unit 7 and the electric equipment 8 when the residual electric quantity is lower than the set residual electric quantity, the controller 9 is used for controlling the double-source heat pump 5 to switch to the air source mode to heat water in the hot water tank 6, and the double-source heat pump 5 is controlled to stop working when the second temperature value is larger than the second set temperature value.
That is, at night, the PVT sheet is in an inactive state. The power supply of the double-source heat pump 5, the air conditioning unit 7 and the electric equipment 8 is ensured by the energy storage battery pack 4, and the power supply is supplemented by the diesel generator 2 in the extreme case. The domestic hot water is supplied by the hot water tank 6, and if the amount of hot water to be used cannot be satisfied, the dual-source heat pump 5 is switched to the air source mode to generate hot water.
The rainy day mode (see fig. 4) is a rainy day, in which sunlight is not sufficient, and the cogeneration capability of the PVT sheet is limited. The controller 9 controls the energy storage battery pack 4 to supply power to the dual-source heat pump 5, the air conditioning unit 7 and the electric equipment 8, detects the residual electric quantity in the energy storage battery pack 4, controls the diesel generator 2 to generate power to supply power to the dual-source heat pump 5, the air conditioning unit 7 and the electric equipment 8 when the residual electric quantity is lower than the set residual electric quantity, and controls the dual-source heat pump 5 to switch to an air source mode to heat water in the hot water tank 6 when the second temperature value is higher than the second set temperature value, and controls the dual-source heat pump 5 to stop working.
That is, in rainy days, sunlight is not sufficient, and the cogeneration capability of the PVT photo-thermal-photoelectric integrated panel is limited. The power supply of the electric equipment is ensured by the energy storage battery pack, and the diesel generator is used for supplying power under the condition that the energy storage battery pack cannot meet the requirements. Domestic hot water is guaranteed to be supplied by the double-source heat pump in an air source mode.
The project realizes the intellectualization and the equipping of the PVT micro-grid energy station, and provides reliable and renewable energy supply and guarantee for army guarantee vehicles, islands, residence stations and other places by integrating PVT with energy storage, a double-source heat pump and a controller, thereby improving the living conditions of officers and soldiers.
The clean and renewable energy source on-site and comprehensive application of solar energy, air energy and the like solves the problem that the traditional energy source such as diesel oil and the like is not timely supplied under extreme conditions, meanwhile, cold and hot electricity is simultaneously supplied by a set of integrated system, the living conditions are greatly improved on the premise of meeting basic living guarantee of officers and soldiers, and the daily municipality expense is greatly reduced due to the wide application of clean and renewable energy sources in the long term.
Along with the exhaustion of fossil energy, the world has more reasonable and long-term knowledge on energy conservation, environmental protection and sustainable development, and the world has no great emphasis on developing new energy technologies, in particular the inexhaustible high and new technology utilization of renewable resources such as solar energy, wind energy and the like.
The coastline of the frontier defense in China is long, a large number of frontier defense islands exist, the power supply problem of the frontier defense forces is solved for a long time, and the frontier defense coastline is one of key works of basic construction. The traditional diesel or gasoline generator set is adopted for timing power supply, so that the cost is high, certain pollution is generated to the environment, and the guarantee of oil is a problem which cannot be ignored in time. With the rapid development of renewable energy sources and the gradual maturation of micro-grid technology, the energy source of the frontier defense island can be possibly realized by effectively utilizing abundant renewable resources such as solar energy, wind energy and the like in the frontier defense island. In this context, the formulation and selection of rational, efficient renewable energy application programs is an important market direction.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (2)
1. The PVT-based energy station system is characterized by comprising a PVT photo-thermal and photoelectric integrated plate, a diesel generator, a photo-storage integrated machine, an energy storage battery pack, a double-source heat pump, a hot water tank, an air conditioning unit, electric equipment and a controller;
The PVT photo-thermal integrated plate is connected with the double-source heat pump pipeline, a first temperature sensor is arranged in the pipeline, the hot water tank is connected with the double-source heat pump pipeline, a second temperature sensor is arranged in the hot water tank, and the diesel generator, the photo-storage integrated machine, the energy storage battery pack, the double-source heat pump, the first temperature sensor and the second temperature sensor are all connected with the controller;
The PVT photo-thermal photoelectric integrated plate, the energy storage battery pack, the photo-storage integrated machine set network and the power grid are realized and are separated from the power grid;
The PVT photo-thermal photoelectric integrated plate is used for photovoltaic power generation, generated electric energy is transmitted to an alternating current bus through the photo-storage integrated machine, then the alternating current bus is used for supplying power to the double-source heat pump, the air conditioning unit and the electric equipment, and if the electric energy generated by the PVT photo-thermal photoelectric integrated plate remains, the photo-storage integrated machine is used for charging the energy storage battery pack, so that the electric energy is stored;
The first temperature sensor is used for detecting the medium temperature in the corresponding pipeline and transmitting a first temperature value to the controller;
the second temperature sensor is used for transmitting a second temperature value to the controller;
The controller is used for controlling the double-source heat pump to switch to a water source mode when the first temperature value is larger than the first set temperature value, exchanging heat with the PVT photo-thermal and photo-electric integrated plate to absorb heat, heating water in the hot water tank, and controlling the double-source heat pump to stop working when the second temperature value is larger than the second set temperature value.
2. The PVT-based energy station system according to claim 1, wherein the controller is configured to control the energy storage battery pack to supply power to the dual-source heat pump, the air conditioning unit, and the electric equipment when the solar radiation is insufficient and the power generation capacity of the PVT photo-thermal-electric integrated board cannot meet the power demand of the equipment, and to detect a remaining power in the energy storage battery pack, and to control the diesel generator to generate power to supply power to the dual-source heat pump, the air conditioning unit, and the electric equipment when the remaining power is lower than a set remaining power;
The controller is used for controlling the double-source heat pump to switch to a water source mode when the first temperature value is larger than a first set temperature value, exchanging heat with the PVT photo-thermal and photoelectric integrated plate to absorb heat, heating water in the hot water tank, controlling the double-source heat pump to switch to an air source mode when the first temperature value is smaller than the first set temperature value, controlling the double-source heat pump to switch to the air source mode, heating water in the hot water tank, and controlling the double-source heat pump to stop working when the second temperature value is larger than the second set temperature value.
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| CN201910999680.5A CN110805490B (en) | 2019-10-21 | 2019-10-21 | A PVT-based energy station system |
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| CN201910999680.5A CN110805490B (en) | 2019-10-21 | 2019-10-21 | A PVT-based energy station system |
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| CN110805490B true CN110805490B (en) | 2024-12-06 |
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