CN113115698A - Modular photovoltaic water lifting system - Google Patents
Modular photovoltaic water lifting system Download PDFInfo
- Publication number
- CN113115698A CN113115698A CN201911419923.XA CN201911419923A CN113115698A CN 113115698 A CN113115698 A CN 113115698A CN 201911419923 A CN201911419923 A CN 201911419923A CN 113115698 A CN113115698 A CN 113115698A
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- Prior art keywords
- water
- photovoltaic
- water pump
- container
- power generation
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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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The invention provides a modularized photovoltaic water lifting system, which comprises a photovoltaic array, a container, a cable for photovoltaic, a confluence box, a waterproof hole, a photovoltaic power generation converter, a waterproof special cable, a water pump, a head filter device, an off-grid inverter, an alternating current confluence box, a water pump cluster top layer controller, a water pool, a water level controller and a water storage device, wherein the container is arranged in the container; the photovoltaic array is positioned at the top of the container and is connected with the photovoltaic power generation converter through a photovoltaic cable and a combiner box; the photovoltaic power generation converter supplies power to the water pump through a waterproof special cable; the water is stored in the water pool through the water pump and the head filter device; the off-grid inverter supplies power to the header filtering device and the water pump cluster top layer controller; the photovoltaic power generation converter is controlled by a water pump cluster top controller to control the start and stop of the water pump; the modularized photovoltaic water lifting system effectively forms a modularized design, and reduces construction and debugging time; and can automatic operation, need not people on duty, the reliability is high.
Description
Technical Field
The invention relates to the field of photovoltaic off-grid, in particular to a modular photovoltaic water lifting system.
Background
In recent years, photovoltaic power generation technology has been applied to various fields, and the use of photovoltaic power to lift water from a water well is one of the more successful. In arid areas, the solar water heater is particularly suitable for using a photovoltaic water lifting technology due to less precipitation.
However, in the existing photovoltaic water lifting system, after the water pump power is obtained according to the water flow and the water lifting height, a corresponding photovoltaic scale and a corresponding line need to be designed in a matching manner. In addition, the matching needs to carry out system design and decentralized purchase on the power change device, an installation base, an electric wire, a power distribution cabinet, a power part bottom support or a base, a photovoltaic bracket and the like. The design, supply, construction and debugging cycle is long, which is not favorable for the development of engineering projects. The applicant considered that it would be possible to design a modular photovoltaic water lift system to solve the above problems.
Disclosure of Invention
In order to solve the above-mentioned disadvantages of the prior art, the present invention provides a modular photovoltaic water lift system to overcome the drawbacks of the prior art.
In order to achieve the above object, the present invention provides a modular photovoltaic water lift system; the modularized photovoltaic water lifting system comprises a photovoltaic component, a special support, a container, a cable for photovoltaic, a confluence box, a waterproof hole, a photovoltaic power generation converter, a waterproof special cable, a water pump, a head filter device, an off-grid inverter, an alternating current confluence box, a water pump cluster top layer controller, a water tank, a water level controller and a water storage device.
The photovoltaic module is arranged at the top of the container through a special bracket; the photovoltaic module and the special bracket form a photovoltaic array, and the photovoltaic array is electrically connected with the combiner box through a photovoltaic cable and used for supplying power; a waterproof hole I is arranged right above the container, and a waterproof hole II is arranged right below the container; the confluence box is electrically connected with the end I of the photovoltaic power generation converter through a waterproof hole I; the photovoltaic power generation converter is fixedly connected to the inner wall of the right side of the container, and the end II of the photovoltaic power generation converter is electrically connected with the water pump through a waterproof hole II and a waterproof special cable; the water pump is positioned below the waterline of the water storage device; the off-grid inverter is electrically connected with the header filtering device and the water pump cluster top layer controller through the alternating current header box and is used for supplying power; and two ends of the head filter device are respectively connected with the water tank and the water pump pipeline, and the pumped water is stored in the water tank.
The water level controller is arranged at the bottom of the water tank and used for detecting the water level; and the water pump cluster top controller is fixedly connected to the inner wall of the upper side of the container, is in communication connection with the water level controller and the photovoltaic power generation converter, receives signals of the water level controller and controls the photovoltaic power generation converter to start and stop.
As a further description of the modular photovoltaic water lift system of the invention, it is preferred that the photovoltaic array has parameters that can be modified according to design requirements such as height difference, pressure requirements, water delivery volume.
As a further description of the modular photovoltaic water lift system, preferably, the water pump is a multistage centrifugal pump system; the water pump cluster top controller applies a water pump cluster control strategy of multi-machine parallel operation and a photovoltaic power generation converter MPPT algorithm, and can automatically judge the starting and stopping conditions of the system according to the water level of the tail end reservoir.
As a further description of the modular photovoltaic water pumping system, preferably, the photovoltaic power generation converter and the off-grid inverter can communicate in real time, and perform overall scheduling of system energy, and the degree of automation is high.
As a further description of the modular photovoltaic water lifting system, the water pump is preferably braked by a permanent magnet synchronous generator, and has high reliability and sensitivity.
As a further description of the modular photovoltaic water pumping system of the present invention, preferably, the photovoltaic water pumping system is assembled by using modular components, which is favorable for after-sale maintenance and upgrade.
Compared with the prior art, the invention has the beneficial effects that:
(1) after land leveling is carried out on the project site, extra foundation construction and house construction are not needed, and the container is directly utilized to form the foundation of the photovoltaic array and necessary shielding;
(2) the photovoltaic module, the combiner box, the photovoltaic power generation converter, the off-grid inverter, the alternating current combiner box, the water pump, the header filtering device and the like do not need to be installed and debugged on site, cables are connected during purchase, and debugging is finished; only water needs to be debugged;
(3) the method does not need to be purchased separately, and can save engineering practice to the greatest extent;
(4) the container is difficult to be destroyed, and the photovoltaic is located the container top, and relative level land, various steel wellhouse etc. possess the protectiveness to the biological invasion more.
Drawings
FIG. 1 is a schematic structural view of a modular photovoltaic water lift system of the present invention;
fig. 2 is a working schematic diagram of a modular photovoltaic water lift system of the present invention.
Detailed Description
To further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solutions of the present invention and are not to limit the present invention.
Firstly, as shown in fig. 1, fig. 1 is a schematic structural diagram of a modular photovoltaic water lift system of the present invention; the modularized photovoltaic water lifting system comprises a photovoltaic component 1, a special support 2, a container 3, a cable 5 for photovoltaic, a confluence box 6, a waterproof hole 7, a photovoltaic power generation converter 8, a waterproof special cable 9, a water pump 10, a head filter device 11, an off-grid inverter 12, an alternating current confluence box 13, a water pump cluster top layer controller 14, a water pool 15, a water level controller 16 and a water storage device 17.
The photovoltaic module 1 is arranged on the top of the container 3 through a special bracket 2; the photovoltaic module 1 and the special bracket 2 form a photovoltaic array 4, and are electrically connected with a combiner box 6 through a photovoltaic cable 5; a waterproof hole I7 is arranged right above the container 3, and a waterproof hole II 7 is arranged right below the container; the confluence box 6 is electrically connected with the end I of the photovoltaic power generation converter 8 through a waterproof hole I7; the photovoltaic power generation converter 8 is fixedly connected to the inner wall of the right side of the container 3; the end II of the photovoltaic power generation converter 8 is electrically connected with a water pump 10 through a waterproof hole II 7 and a waterproof special cable 9; the water pump 10 is positioned below the waterline of the water storage device 17; the off-grid inverter 12 is electrically connected with the head filtering device 11 and the water pump cluster top layer controller 14 through the alternating current header box 13 and is used for supplying power; both ends of the head filter 11 are respectively connected with the water tank 15 and the water pump 10 through pipelines, and the filtered water is stored in the water tank 15.
The water level controller 16 is arranged at the bottom of the water tank 15 and used for detecting the water level; the water pump cluster top layer controller 14 is fixedly connected to the inner wall of the upper side of the container 3, is in communication connection with the water level controller 16 and the photovoltaic power generation converter 8, receives signals of the water level controller, and controls the photovoltaic power generation converter to start and stop.
Further, please refer to fig. 2, fig. 2 is a working schematic diagram of a modular photovoltaic water pumping system according to the present invention; the working principle of the modularized photovoltaic water lifting system is as follows:
1) the photovoltaic module 1 is installed on the top of a container 3 through a special support 2 to form a photovoltaic array 4, the photovoltaic array is connected in series and in parallel in a header box 6 through a photovoltaic cable 5, enters the container 3 through a sealed waterproof hole 7 and is connected with a photovoltaic power generation converter 8, the photovoltaic power generation converter 8 converts electric energy and then transmits the electric energy to a water pump 10 in a well through a waterproof special cable 9, and the water pump 10 pumps well water out and conveys the well water to a head filter device 11; the off-grid inverter 12 transmits power to the header filtering device 11 and the water pump cluster top controller 14 through the alternating current combiner box 13; the head filter stores the filtered water in the sump 15.
2) The photovoltaic power generation converter 8 is controlled by the water pump cluster top controller 14, water is pumped up in a first level and a second level through multi-level transmission, and finally the water pump cluster top controller 14 controls the photovoltaic power generation converter to start and stop through a signal of the water level controller 16 in the water pool 15, so that the water pump is controlled to start and stop.
In addition, the photovoltaic array 4 can modify its parameters according to design requirements such as height difference, pressure requirements, water delivery volume; the water pump 10 adopts a multistage centrifugal pump system; the water pump cluster top controller 14 applies a water pump cluster control strategy of multi-machine parallel operation and a photovoltaic power generation converter MPPT algorithm, and can automatically judge the starting and stopping conditions of the system according to the water level of the tail end reservoir.
In addition, the photovoltaic power generation converter 8 and the off-grid inverter 12 can communicate in real time, integral dispatching of system energy is carried out, and the automation degree is high; the water pump 10 is braked by a permanent magnet synchronous generator, and the reliability and the sensitivity are high.
In addition, the photovoltaic water lifting system is assembled by adopting modular components, and is favorable for after-sale maintenance and upgrading.
Finally, the invention discloses a modular photovoltaic water lifting system which is characterized by comprising the following specific technical characteristics:
(1) after land leveling is carried out on the project site, extra foundation construction and house construction are not needed, and the container is directly utilized to form the foundation of the photovoltaic array and necessary shielding;
(2) the photovoltaic module, the combiner box, the photovoltaic power generation converter, the off-grid inverter, the alternating current combiner box, the water pump, the header filtering device and the like do not need to be installed and debugged on site, cables are connected during purchase, and debugging is finished; only water needs to be debugged;
(3) the method does not need to be purchased separately, and can save engineering practice to the greatest extent;
(4) the container is difficult to be destroyed, and the photovoltaic is located the container top, and relative level land, various steel wellhouse etc. possess the protectiveness to the biological invasion more.
It should be noted that the above summary and the detailed description are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the invention. The scope of the invention is to be determined by the appended claims.
Claims (6)
1. A modularized photovoltaic water lifting system is characterized by comprising a photovoltaic component (1), a special support (2), a container (3), a photovoltaic cable (5), a junction box (6), a waterproof hole (7), a photovoltaic power generation converter (8), a waterproof special cable (9), a water pump (10), a head filter device (11), an off-grid inverter (12), an alternating current junction box (13), a water pump cluster top layer controller (14), a water pool (15), a water level controller (16) and a water storage device (17); wherein, the photovoltaic module (1) is arranged on the top of the container (3) through a special bracket (2); the photovoltaic module (1) and the special bracket (2) form a photovoltaic array (4) which is electrically connected with the combiner box (6) through a photovoltaic cable (5); a waterproof hole I (7) is arranged right above the container (3), and a waterproof hole II (7) is arranged right below the container; the confluence box (6) is electrically connected with the end I of the photovoltaic power generation converter (8) through a waterproof hole I (7); the photovoltaic power generation converter (8) is fixedly connected to the inner wall of the right side of the container (3); the end II of the photovoltaic power generation converter (8) is electrically connected with a water pump (10) through a waterproof hole II (7) and a waterproof special cable (9); the water pump (10) is positioned below the waterline of the water storage device (17); the off-grid inverter (12) is electrically connected with the head filtering device (11) and the water pump cluster top layer controller (14) through an alternating current header box (13) and is used for supplying power; two ends of the head filter device (11) are respectively connected with the water tank (15) and the water pump (10) through pipelines, and filtered water is stored in the water tank (15); the water level controller (16) is arranged at the bottom of the water pool (15) and is used for detecting the water level; the water pump cluster top layer controller (14) is fixedly connected to the inner wall of the upper side of the container (3) and is in communication connection with the water level controller (16) and the photovoltaic power generation converter (8).
2. Modular photovoltaic water lift system according to claim 1, characterized in that the photovoltaic array (4) can modify its parameters according to design requirements such as height difference, pressure requirements, water delivery volume.
3. The modular photovoltaic water lift system according to claim 1, characterized in that said water pump (10) employs a multistage centrifugal pump system; the water pump cluster top layer controller (14) applies a water pump cluster control strategy of multi-machine parallel operation and a photovoltaic power generation converter MPPT algorithm, and can automatically judge the starting and stopping conditions of the system according to the water level of the tail end reservoir.
4. The modular photovoltaic water lift system of claim 1, wherein the photovoltaic power converter (8) and the off-grid inverter (12) can communicate in real time and perform overall scheduling of system energy with high automation.
5. The modular photovoltaic water lift system according to claim 1, characterized in that said water pump (10) uses a permanent magnet synchronous generator for braking, with high reliability and sensitivity.
6. The modular photovoltaic water lift system of claim 1 assembled from modular components to facilitate after-market maintenance and upgrading.
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CN201911419923.XA CN113115698A (en) | 2019-12-31 | 2019-12-31 | Modular photovoltaic water lifting system |
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CN201911419923.XA CN113115698A (en) | 2019-12-31 | 2019-12-31 | Modular photovoltaic water lifting system |
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Cited By (1)
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CN114250826A (en) * | 2021-12-14 | 2022-03-29 | 新疆维吾尔自治区水资源中心 | Modular underground water collecting and storing system |
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CN114250826B (en) * | 2021-12-14 | 2023-08-22 | 新疆维吾尔自治区水资源中心 | Modular Groundwater Collection and Storage System |
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Application publication date: 20210716 |