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CN211737435U - High-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system - Google Patents

High-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system Download PDF

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Publication number
CN211737435U
CN211737435U CN201922263797.5U CN201922263797U CN211737435U CN 211737435 U CN211737435 U CN 211737435U CN 201922263797 U CN201922263797 U CN 201922263797U CN 211737435 U CN211737435 U CN 211737435U
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ultrahigh
lift
photovoltaic
pipeline
altitude
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CN201922263797.5U
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Chinese (zh)
Inventor
廖功磊
钟林涛
谢崇平
赵晓辉
余欣
廖开吉
马牧原
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Sichuan Nanhuiyuan Electromechanical Equipment Engineering Co ltd
Sichuan Yongjian New Energy Technology Co ltd
Sichuan Provincial Chuanji Engineering Technology Co ltd
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Sichuan Nanhuiyuan Electromechanical Equipment Engineering Co ltd
Sichuan Yongjian New Energy Technology Co ltd
Sichuan Provincial Chuanji Engineering Technology Co ltd
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Abstract

The utility model discloses a high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system, which comprises a photovoltaic power generation system, an intelligent control system, an ultrahigh-lift pumping system and a pipeline system; the photovoltaic power generation system is electrically connected with the intelligent control system; the intelligent control system is in communication connection with the ultrahigh-lift pumping system; the ultrahigh-lift pumping system is fixedly connected with the pipeline system. The utility model discloses a high altitude superelevation high-power solar photovoltaic water lifting technique and system are applicable to the thin high altitude area of air, can realize that solar photovoltaic pump station single-stage lift reaches more than 1200 m. The solar photovoltaic pump station is in the environment above 2500m above the sea level, and the single-stage power of the water pump reaches 600 kW. In the working process, the fluctuation of voltage and current is monitored in real time, the working stability of the pump station is ensured, and the problem that the water delivery of the traditional photovoltaic pump station in a high-altitude area is difficult to realize by the pump station with ultrahigh lift is successfully solved.

Description

High-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system
Technical Field
The utility model belongs to the technical field of new forms of energy development utilizes, concretely relates to high-altitude ultrahigh lift high-power solar photovoltaic water lifting technology and system.
Background
The plateau area of our country has high relief, the topography is made up of hilly plateau and cutting the mountain top surface, cause the water source and farmland altitude difference great. The air in the high-altitude area is thin, the electric power infrastructure is weak, the terrain drop is large, the power and the lift of a pump station are large, the heat dissipation of electrical equipment of the pump station built in the high-altitude area is influenced, and the strength of a heat insulation medium is influenced.
To the demand of high altitude district superelevation lift pump station, traditional photovoltaic pump station adopts two kinds of modes: the first one is an operation mode that multi-stage water pumps are connected in series, but the redundancy, complexity and maintenance cost of the system are increased due to the fact that the multi-stage water pumps are connected in series, and a pump station is directly stopped when a certain stage of the multi-stage water pumps breaks down; the second type is a multistage centrifugal pump with single-stage ultrahigh lift, but the multistage centrifugal pump has strict requirements on the stability of an electric power system, the electric power system of a photovoltaic pump station adopts a photovoltaic array for power supply, the fluctuation of voltage and current of the photovoltaic pump station can cause serious influence on the performance of the multistage centrifugal pump, and the purpose of realizing ultrahigh lift water delivery by the single stage of the photovoltaic pump station is difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that traditional photovoltaic pump station realized the water delivery of super high lift pump station at high altitude area single-stage, provided a high-altitude super high lift high-power solar photovoltaic water lifting technology and system.
The technical scheme of the utility model is that: a high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system comprises a photovoltaic power generation system, an intelligent control system, an ultrahigh-lift pumping system and a pipeline system; the photovoltaic power generation system is electrically connected with the intelligent control system; the intelligent control system is in communication connection with the ultrahigh-lift pumping system; the ultrahigh-lift pumping system is fixedly connected with the pipeline system.
The utility model has the advantages that: the utility model discloses a high altitude superelevation high-power solar photovoltaic water lifting technique and system are applicable to the thin high altitude area of air, can realize that solar photovoltaic pump station single-stage lift reaches more than 1200 m. The solar photovoltaic pump station is in the environment above 2500m above the sea level, and the single-stage power of the water pump reaches 600 kW. In the working process, the fluctuation of voltage and current is monitored in real time, the working stability of the pump station is ensured, and the problem that the water delivery of the traditional photovoltaic pump station in a high-altitude area is difficult to realize by the pump station with ultrahigh lift is successfully solved.
Further, the photovoltaic power generation system comprises a photovoltaic array, a cable and a photovoltaic combiner box; every photovoltaic array all passes through cable and photovoltaic collection flow box electric connection.
The beneficial effects of the further scheme are as follows: the utility model discloses in, photovoltaic power generation system directly changes light energy into electric energy, and its reliability is high, long service life, non-staining environment can independently generate electricity.
Further, the photovoltaic power generation system comprises 10 groups of photovoltaic arrays; each group of photovoltaic arrays comprises 19 photovoltaic assemblies; the 19 photovoltaic modules are connected in series to form a photovoltaic array.
The beneficial effects of the further scheme are as follows: the utility model discloses in, photovoltaic array comprises photovoltaic module for photovoltaic array is difficult for breaking, and the installation of being convenient for encapsulates intact.
Furthermore, the intelligent control system comprises an inverter, a light intensity sensor, a liquid level sensor, a control module and a visual interface; the inverter is electrically connected with the photovoltaic combiner box and the ultrahigh-lift pumping system respectively; the control module is respectively in communication connection with the ultrahigh-lift pumping system, the light intensity sensor, the liquid level sensor and the visual interface.
The beneficial effects of the further scheme are as follows: the utility model discloses in, intelligence control system is used for handling light signal and liquid level signal, carries out the communication with dc-to-ac converter and visual interface, carries out relevant control action, accurate control solar photovoltaic pump station.
Furthermore, the model of the light intensity sensor is JRFW-2-24; the model of the liquid level sensor is JYB-KO-PAG-TZF; the visual interface adopts a liquid crystal screen with the model of TK-102 CE.
The beneficial effects of the further scheme are as follows: in the utility model, the light intensity sensor and the liquid level sensor have small volume, small measurement error, high output precision and fast response speed; the liquid crystal display of the visual interface is visual and simple, low in power consumption and stable in performance.
Furthermore, the main control chip of the control module adopts a single chip microcomputer with the model number of PIC18F 4520.
The beneficial effects of the further scheme are as follows: the utility model discloses in, PIC18F4520 singlechip job stabilization, the response is rapid, but the double-speed starts.
Further, the ultrahigh-lift pumping system comprises a first pipeline, a second pipeline, a third pipeline, a pump preposed water diversion device, a first gate valve, a second gate valve, a check valve, a rubber flexible joint, a steel expansion joint, a multifunctional water pump control valve, an ultrahigh-lift water pump, a coupler, a plateau motor and a pressure sensor; the first pipeline is T-shaped; the pump preposed water diversion device is connected with the transverse end of the first pipeline through a first gate valve and a check valve in sequence; the bottom of the vertical end of the first pipeline is connected with the top of the ultrahigh-lift water pump through a rubber flexible joint; the ultrahigh-lift water pump is electrically connected with the plateau motor through a coupler; one end of the steel expansion joint is fixedly connected with the bottom of the ultrahigh-lift water pump, and the other end of the steel expansion joint is fixedly connected with the multifunctional water pump control valve; the bottom of the pump preposed water diversion device is connected with one end of the second pipeline; the other end of the second pipeline is fixedly connected with a third pipeline through a second gate valve; the multifunctional water pump control valve is fixedly connected with the pressure sensor; the pressure sensor is also fixedly connected with the top of the third pipeline; the ultrahigh-lift water pump is respectively in communication connection with the inverter, the control module and the visual interface; the third pipeline is fixedly connected with the pipeline system.
The beneficial effects of the further scheme are as follows: the utility model discloses in, super high-lift pumping system provides better water inlet condition for super high-lift water pump for the pump station has super high-lift, and provides safety measure such as water hammer protection for pipe-line system.
Furthermore, the inside of ultrahigh lift water pump is fixed and is provided with the plunger pump, and the bottom of plunger pump all is connected with the inner wall of ultrahigh lift water pump.
The beneficial effects of the further scheme are as follows: the utility model discloses in, the ultrahigh lift water pump comprises the plunger pump of positive displacement characteristic, and its lift does not change along with the water pump flow change, only is relevant with pipeline comprehensive characteristic curve for the pump station has ultrahigh lift.
Drawings
FIG. 1 is a general structure diagram of an ultrahigh-lift solar photovoltaic pump station;
FIG. 2 is a block diagram of a photovoltaic power generation system;
FIG. 3 is a block diagram of an intelligent control system;
FIG. 4 is a block diagram of an ultra-high head pumping system;
in the figure, 1, a photovoltaic power generation system; 2. an intelligent control system; 3. an ultra-high head pumping system; 4. a piping system; 5. a photovoltaic array; 6. a cable; 7. a photovoltaic combiner box; 8. a photovoltaic module; 9. an inverter; 10. a light intensity sensor; 11. a liquid level sensor; 12. a control module; 13. a visual interface; 14. a first conduit; 15. a second conduit; 16. a third pipeline; 17. a water diversion device is arranged in front of the pump; 18. a first gate valve; 19. a second gate valve; 20. a check valve; 21. a rubber flexible joint; 22. a steel expansion joint; 23. a multifunctional water pump control valve; 24. an ultra-high lift water pump; 25. a coupling; 26. a plateau motor; 27. a pressure sensor; 28. a plunger pump.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system, comprising a photovoltaic power generation system 1, an intelligent control system 2, an ultrahigh-lift pumping system 3 and a pipeline system 4; the photovoltaic power generation system 1 is electrically connected with the intelligent control system 2; the intelligent control system 2 is in communication connection with the ultrahigh-lift pumping system 3; the ultrahigh-lift pumping system 3 is fixedly connected with the pipeline system 4.
In the embodiment of the present invention, as shown in fig. 2, the photovoltaic power generation system 1 includes a photovoltaic array 5, a cable 6, and a photovoltaic combiner box 7; each photovoltaic array 5 is electrically connected through a cable 6 and a photovoltaic combiner box 7. The utility model discloses in, photovoltaic power generation system 1 directly changes light energy into electric energy, and its reliability is high, long service life, non-staining environment can independently generate electricity.
In the embodiment of the present invention, as shown in fig. 2, the photovoltaic power generation system 1 includes 10 groups of photovoltaic arrays 5; wherein each group of photovoltaic arrays 5 comprises 19 photovoltaic modules 8; the 19 photovoltaic modules 8 are connected in series to form the photovoltaic array 5. The utility model discloses in, photovoltaic array comprises photovoltaic module for photovoltaic array is difficult for breaking, and the installation of being convenient for encapsulates intact.
In the embodiment of the present invention, as shown in fig. 3, the intelligent control system 2 includes an inverter 9, a light intensity sensor 10, a liquid level sensor 11, a control module 12, and a visual interface 13; the inverter 9 is electrically connected with the photovoltaic combiner box 7 and the ultrahigh-lift pumping system 3 respectively; the control module 12 is in communication connection with the ultrahigh-lift pumping system 3, the light intensity sensor 10, the liquid level sensor 11 and the visual interface 13 respectively. The utility model discloses in, intelligence control system is used for handling light signal and liquid level signal, carries out the communication with dc-to-ac converter and visual interface, carries out relevant control action, accurate control solar photovoltaic pump station.
In the embodiment of the present invention, as shown in fig. 3, the light intensity sensor 10 has model number JRFW-2-24; the model of the liquid level sensor 11 is JYB-KO-PAG-TZF; the visual interface 13 adopts a liquid crystal screen with model number TK-102 CE. In the utility model, the light intensity sensor and the liquid level sensor have small volume, small measurement error, high output precision and fast response speed; the liquid crystal display of the visual interface is visual and simple, low in power consumption and stable in performance.
In the embodiment of the present invention, as shown in fig. 3, the main control chip of the control module 12 adopts a single chip microcomputer with a model of PIC18F 4520. The utility model discloses in, PIC18F4520 singlechip job stabilization, the response is rapid, but the double-speed starts.
Table 1 is a connection table of the communication interface of each module and the control module 12.
TABLE 1
Figure BDA0002320624100000061
In the embodiment of the present invention, as shown in fig. 4, the ultra-high-lift pumping system 3 includes a first pipeline 14, a second pipeline 15, a third pipeline 16, a pump leading water diversion device 17, a first gate valve 18, a second gate valve 19, a check valve 20, a rubber flexible joint 21, a steel expansion joint 22, a multifunctional water pump control valve 23, an ultra-high-lift water pump 24, a coupling 25, a plateau motor 26, and a pressure sensor 27; the first pipe 14 is T-shaped; the pump preposition water diversion device 17 is connected with the transverse end of the first pipeline 14 through a first gate valve 18 and a check valve 20 in sequence; the bottom of the vertical end of the first pipeline 14 is connected with the top of an ultrahigh-lift water pump 24 through a rubber flexible joint 21; the ultrahigh-lift water pump 24 is electrically connected with the plateau motor 26 through a coupler 25; one end of a steel expansion joint 22 is fixedly connected with the bottom of an ultrahigh-lift water pump 24, and the other end of the steel expansion joint is fixedly connected with a multifunctional water pump control valve 23; the bottom of the pump preposed water diversion device 17 is connected with one end of the second pipeline 15; the other end of the second pipeline 15 is fixedly connected with a third pipeline 16 through a second gate valve 19; the multifunctional water pump control valve 23 is fixedly connected with the pressure sensor 27; the pressure sensor 27 is also fixedly connected with the top of the third pipeline 16; the ultrahigh-lift water pump 24 is in communication connection with the inverter 9, the control module 12 and the visual interface 13 respectively; the third pipe 16 is fixedly connected to the pipe system 4. The utility model discloses in, super high-lift pumping system provides better water inlet condition for super high-lift water pump for the pump station has super high-lift, and provides safety measure such as water hammer protection for pipe-line system.
In the embodiment of the present invention, as shown in fig. 4, the plunger pump 28 is fixedly disposed inside the ultrahigh-lift water pump 24, and the bottom of the plunger pump 28 is connected to the inner wall of the ultrahigh-lift water pump 24. The utility model discloses in, the ultrahigh lift water pump comprises the plunger pump of positive displacement characteristic, and its lift does not change along with the water pump flow change, only is relevant with pipeline comprehensive characteristic curve for the pump station has ultrahigh lift.
The utility model discloses a theory of operation and process do: the utility model discloses a high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system comprises photovoltaic power generation system 1, intelligent control system 2, ultrahigh-lift pumping system 3 and pipe-line system 4. In the photovoltaic power generation system 1, 19 photovoltaic modules 8 are connected in series to form a group of photovoltaic arrays 5, and a plurality of groups of photovoltaic arrays 5 are connected to a photovoltaic combiner box 7 through cables 6 according to requirements. The photovoltaic power generation system 1 provides a stable power supply for the whole pump station, and normal operation of the pump station is guaranteed.
The intelligent control system 2 is composed of an inverter 9, a light intensity sensor 10, a liquid level sensor 11, a control module 12 and a visual interface 13, and in order to reduce connecting lines between the photovoltaic array 5 and the ultrahigh-lift pumping system 3 and improve stability, the inverter 9 is added between the photovoltaic array 5 and the ultrahigh-lift pumping system 3. The light intensity sensor 10 and the liquid level sensor 11 monitor the light signal and the liquid level signal in real time and transmit the light signal and the liquid level signal to the control module 12, the control module 12 analyzes the light signal and the liquid level signal, and abnormal results are displayed on the visual interface 13.
The first pipeline 14, the second pipeline 15 and the third pipeline 16 in the ultrahigh-lift pumping system 3 are used for water flow transmission; the pump preposition water diversion device 17 provides better water inlet conditions for the ultrahigh-lift water pump 24; the first gate valve 18, the second gate valve 19, the check valve 20, the rubber flexible joint 21, the steel expansion joint 22 and the multifunctional water pump control valve 23 are connected to form the ultrahigh-lift pumping system 3; the coupling 25 is connected with the ultrahigh-lift water pump 24 and the plateau motor 26, so that the ultrahigh-lift water pump 24 stably works; the pressure sensor 27 monitors the pressure value of the pump station in real time.
The pipe system 4 is used for outputting the water flow of the ultrahigh-lift pumping system 3.
The utility model has the advantages that: the utility model discloses a high altitude superelevation high-power solar photovoltaic water lifting technique and system are applicable to the thin high altitude area of air, can realize that solar photovoltaic pump station single-stage lift reaches more than 1200 m. The solar photovoltaic pump station is in the environment above 2500m above the sea level, and the single-stage power of the water pump reaches 600 kW. In the working process, the fluctuation of voltage and current is monitored in real time, the working stability of the pump station is ensured, and the problem that the water delivery of the traditional photovoltaic pump station in a high-altitude area is difficult to realize by the pump station with ultrahigh lift is successfully solved.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.

Claims (8)

1. A high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system are characterized by comprising a photovoltaic power generation system (1), an intelligent control system (2), an ultrahigh-lift pumping system (3) and a pipeline system (4); the photovoltaic power generation system (1) is electrically connected with the intelligent control system (2); the intelligent control system (2) is in communication connection with the ultrahigh-lift pumping system (3); the ultrahigh-lift pumping system (3) is fixedly connected with the pipeline system (4).
2. The high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system as claimed in claim 1, wherein the photovoltaic power generation system (1) comprises a photovoltaic array (5), a cable (6) and a photovoltaic combiner box (7); each photovoltaic array (5) is electrically connected with a photovoltaic combiner box (7) through a cable (6).
3. The high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system as claimed in claim 2, wherein the photovoltaic power generation system (1) comprises 10 groups of photovoltaic arrays (5); wherein each group of photovoltaic arrays (5) comprises 19 photovoltaic modules (8); the 19 photovoltaic modules (8) are connected in series to form a photovoltaic array (5).
4. The high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system as claimed in claim 1, wherein the intelligent control system (2) comprises an inverter (9), a light intensity sensor (10), a liquid level sensor (11), a control module (12) and a visual interface (13); the inverter (9) is electrically connected with the photovoltaic combiner box (7) and the ultrahigh-lift pumping system (3) respectively; the control module (12) is in communication connection with the ultrahigh-lift pumping system (3), the light intensity sensor (10), the liquid level sensor (11) and the visual interface (13) respectively.
5. The high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system as claimed in claim 4, wherein the model of the light intensity sensor (10) is JRFW-2-24; the model of the liquid level sensor (11) is JYB-KO-PAG-TZF; the visual interface (13) adopts a liquid crystal screen with the model of TK-102 CE.
6. The high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system as claimed in claim 4, wherein a main control chip of the control module (12) adopts a single chip microcomputer with the model number of PIC18F 4520.
7. The high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system as claimed in claim 1, wherein the ultrahigh-lift pumping system (3) comprises a first pipeline (14), a second pipeline (15), a third pipeline (16), a pump preposed water diversion device (17), a first gate valve (18), a second gate valve (19), a check valve (20), a rubber flexible joint (21), a steel expansion joint (22), a multifunctional water pump control valve (23), an ultrahigh-lift water pump (24), a coupler (25), a plateau motor (26) and a pressure sensor (27); the first conduit (14) is T-shaped; the pump preposed water diversion device (17) is connected with the transverse end of the first pipeline (14) through a first gate valve (18) and a check valve (20) in sequence; the bottom of the vertical end of the first pipeline (14) is connected with the top of an ultrahigh-lift water pump (24) through a rubber flexible joint (21); the ultrahigh-lift water pump (24) is electrically connected with the plateau motor (26) through a coupler (25); one end of the steel expansion joint (22) is fixedly connected with the bottom of the ultrahigh-lift water pump (24), and the other end of the steel expansion joint is fixedly connected with the multifunctional water pump control valve (23); the bottom of the pump preposed water diversion device (17) is connected with one end of the second pipeline (15); the other end of the second pipeline (15) is fixedly connected with a third pipeline (16) through a second gate valve (19); the multifunctional water pump control valve (23) is fixedly connected with the pressure sensor (27); the pressure sensor (27) is also fixedly connected with the top of the third pipeline (16); the ultrahigh-lift water pump (24) is in communication connection with the inverter (9), the control module (12) and the visual interface (13) respectively; the third pipeline (16) is fixedly connected with the pipeline system (4).
8. The high-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system as claimed in claim 7, characterized in that a plunger pump (28) is fixedly arranged inside the ultrahigh-lift water pump (24), and the bottoms of the plunger pumps (28) are connected with the inner wall of the ultrahigh-lift water pump (24).
CN201922263797.5U 2019-12-16 2019-12-16 High-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system Expired - Fee Related CN211737435U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111102179A (en) * 2019-12-16 2020-05-05 四川省川机工程技术有限公司 High-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111102179A (en) * 2019-12-16 2020-05-05 四川省川机工程技术有限公司 High-altitude ultrahigh-lift high-power solar photovoltaic water lifting technology and system

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